chore: release main (#69)

* chore: release main

* chore: sync Chart.yaml appVersion to v0.8.0

---------

Co-authored-by: garage-ui-release-bot[bot] <285030457+garage-ui-release-bot[bot]@users.noreply.github.com>
Co-authored-by: garage-ui-release-bot[bot] <garage-ui-release-bot[bot]@users.noreply.github.com>

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

.github/workflows/build.yml

@@ -1,9 +1,11 @@
-name: Docker Build and Push
+name: build
 
 on:
   push:
     tags:
-      - 'v*'
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-*'
+  workflow_dispatch:
 
 jobs:
   build:
@@ -51,6 +53,7 @@ jobs:
           context: .
           platforms: ${{ matrix.platform }}
           labels: ${{ steps.meta.outputs.labels }}
+          build-args: VERSION=${{ steps.meta.outputs.version }}
           cache-from: type=gha,scope=build-${{ matrix.platform }}
           cache-to: type=gha,mode=max,scope=build-${{ matrix.platform }}
           outputs: type=image,name=${{ secrets.DOCKER_REGISTRY }},push-by-digest=true,name-canonical=true,push=true

.github/workflows/chart-release.yml

@@ -1,17 +1,16 @@
-name: Release Charts
+name: chart-release
 
 on:
   push:
-    branches:
-      - main
-    paths:
-      - 'helm/garage-ui/**'
-      - '!helm/garage-ui/README.md'
+    tags:
+      - 'garage-ui-chart-v*'
+
+permissions:
+  contents: write
+  pages: write
 
 jobs:
   release:
-    permissions:
-      contents: write
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
@@ -33,5 +32,6 @@ jobs:
         uses: helm/chart-releaser-action@v1.7.0
         with:
           charts_dir: helm
+          skip_existing: true
         env:
-          CR_TOKEN: "${{ secrets.HELM_RELEASE_TOKEN }}"
+          CR_TOKEN: ${{ secrets.HELM_RELEASE_TOKEN }}

.github/workflows/pr-title.yml

@@ -0,0 +1,38 @@
+name: pr-title
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize, reopened]
+
+permissions:
+  pull-requests: read
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          types: |
+            feat
+            fix
+            docs
+            chore
+            refactor
+            test
+            ci
+            build
+            perf
+          scopes: |
+            backend
+            frontend
+            helm
+            ci
+            deps
+          requireScope: false
+          subjectPattern: ^[A-Za-z].+[^.]$
+          subjectPatternError: |
+            PR title subject must start with a letter and not end with a period.
+            Example: "feat(helm): add support for extraEnvs"

.github/workflows/release-please.yml

@@ -0,0 +1,111 @@
+name: release-please
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/create-github-app-token@v2
+        id: app-token
+        with:
+          app-id: ${{ secrets.RELEASE_PLEASE_APP_ID }}
+          private-key: ${{ secrets.RELEASE_PLEASE_APP_KEY }}
+
+      - id: rp
+        uses: googleapis/release-please-action@v4
+        with:
+          config-file: release-please-config.json
+          manifest-file: .release-please-manifest.json
+          token: ${{ steps.app-token.outputs.token }}
+
+      - name: Sync Chart.yaml appVersion on release PR
+        if: ${{ steps.rp.outputs.prs_created == 'true' }}
+        env:
+          GH_TOKEN: ${{ steps.app-token.outputs.token }}
+          PRS: ${{ steps.rp.outputs.prs }}
+          REPO: ${{ github.repository }}
+        run: |
+          set -euo pipefail
+          echo "$PRS" | jq -c '.[]' | while read -r pr; do
+            branch=$(echo "$pr" | jq -r '.headBranchName')
+            workdir=$(mktemp -d)
+            git clone --branch "$branch" --depth 1 \
+              "https://x-access-token:${GH_TOKEN}@github.com/${REPO}.git" "$workdir"
+            cd "$workdir"
+            git config user.email "garage-ui-release-bot[bot]@users.noreply.github.com"
+            git config user.name "garage-ui-release-bot[bot]"
+
+            version=$(jq -r '."."' .release-please-manifest.json)
+            target="v${version}"
+            sed -i -E "s|^appVersion:.*|appVersion: ${target}|" helm/garage-ui/Chart.yaml
+
+            if ! git diff --quiet helm/garage-ui/Chart.yaml; then
+              git add helm/garage-ui/Chart.yaml
+              git commit -m "chore: sync Chart.yaml appVersion to ${target}"
+              git push origin "$branch"
+            fi
+            cd -
+            rm -rf "$workdir"
+          done
+
+      - name: Cut chart patch when backend released without chart
+        if: ${{ steps.rp.outputs.releases_created == 'true' }}
+        env:
+          GH_TOKEN: ${{ steps.app-token.outputs.token }}
+          REPO: ${{ github.repository }}
+          BACKEND_RELEASED: ${{ steps.rp.outputs.release_created }}
+          CHART_RELEASED: ${{ steps.rp.outputs['helm/garage-ui--release_created'] }}
+          BACKEND_TAG: ${{ steps.rp.outputs.tag_name }}
+          BACKEND_VERSION: ${{ steps.rp.outputs.version }}
+        run: |
+          set -euo pipefail
+          if [ "$BACKEND_RELEASED" != "true" ] || [ "$CHART_RELEASED" = "true" ]; then
+            echo "Backend not released, or chart already released this cycle. Nothing to do."
+            exit 0
+          fi
+
+          workdir=$(mktemp -d)
+          git clone \
+            "https://x-access-token:${GH_TOKEN}@github.com/${REPO}.git" "$workdir"
+          cd "$workdir"
+          git config user.email "garage-ui-release-bot[bot]@users.noreply.github.com"
+          git config user.name "garage-ui-release-bot[bot]"
+
+          chart_old=$(jq -r '."helm/garage-ui"' .release-please-manifest.json)
+          chart_new=$(echo "$chart_old" | awk -F. '{printf "%d.%d.%d", $1, $2, $3+1}')
+          chart_tag="garage-ui-chart-v${chart_new}"
+
+          jq --arg v "$chart_new" '."helm/garage-ui" = $v' \
+            .release-please-manifest.json > .release-please-manifest.json.tmp
+          mv .release-please-manifest.json.tmp .release-please-manifest.json
+
+          sed -i -E "s|^version:.*|version: ${chart_new}|" helm/garage-ui/Chart.yaml
+          sed -i -E "s|^appVersion:.*|appVersion: ${BACKEND_TAG}|" helm/garage-ui/Chart.yaml
+
+          today=$(date -u +%Y-%m-%d)
+          compare_url="https://github.com/${REPO}/compare/garage-ui-chart-v${chart_old}...${chart_tag}"
+          entry=$(printf '## [%s](%s) (%s)\n\n\n### Miscellaneous Chores\n\n* sync chart appVersion to %s\n' \
+            "$chart_new" "$compare_url" "$today" "$BACKEND_TAG")
+          awk -v entry="$entry" 'NR==1 && /^# Changelog/ { print; print ""; print entry; next } { print }' \
+            helm/garage-ui/CHANGELOG.md > helm/garage-ui/CHANGELOG.md.tmp
+          mv helm/garage-ui/CHANGELOG.md.tmp helm/garage-ui/CHANGELOG.md
+
+          git add .release-please-manifest.json helm/garage-ui/Chart.yaml helm/garage-ui/CHANGELOG.md
+          git commit -m "chore: bump chart to ${chart_new} for backend ${BACKEND_TAG}"
+          git push origin main
+
+          git tag "$chart_tag"
+          git push origin "$chart_tag"
+
+          gh release create "$chart_tag" \
+            --repo "$REPO" \
+            --title "$chart_tag" \
+            --notes "Chart patch synced to backend ${BACKEND_TAG}. No chart template changes."

.github/workflows/test.yml

@@ -0,0 +1,86 @@
+name: backend-tests
+
+on:
+  pull_request:
+    paths:
+      - 'backend/**'
+      - 'Dockerfile'
+      - 'Makefile'
+      - 'scripts/coverage-gate.sh'
+      - '.github/workflows/test.yml'
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  unit:
+    name: Unit tests + coverage gate
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.25'
+          cache: true
+          cache-dependency-path: backend/go.sum
+
+      - name: Generate swagger docs
+        run: |
+          go install github.com/swaggo/swag/cmd/swag@latest
+          cd backend && swag init
+
+      - name: Run unit tests with race detector and coverage
+        run: |
+          cd backend
+          go test -race -count=1 -coverprofile=../coverage.out -coverpkg=./... ./...
+
+      - name: Enforce coverage gate
+        run: bash scripts/coverage-gate.sh coverage.out
+
+      - name: Upload coverage artifact
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage
+          path: coverage.out
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: Noooste/garage-ui
+          files: ./coverage.out
+          fail_ci_if_error: false
+
+  smoke:
+    name: Smoke test (docker compose)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.25'
+          cache: true
+          cache-dependency-path: backend/go.sum
+
+      - name: Run smoke test
+        run: make test-smoke
+
+      - name: Dump compose logs on failure
+        if: failure()
+        run: |
+          docker compose -p garage-ui-smoke \
+            -f backend/tests/smoke/docker-compose.test.yml logs --no-color || true
+
+      - name: Tear down compose
+        if: always()
+        run: |
+          docker compose -p garage-ui-smoke \
+            -f backend/tests/smoke/docker-compose.test.yml down -v || true
+

.gitignore

@@ -52,12 +52,18 @@ dist-ssr
 *.sw?
 
 .env*
-!config.yaml.example
+!config.example.yaml
 docker-compose.*.yml
+!backend/tests/smoke/docker-compose.test.yml
 
 data/
 meta/
 garage.toml
+!backend/tests/smoke/garage.toml
 
 backend/docs/
-config.yaml
+config.yaml
+docs/**/*.md
+!docs/garage-setup.md
+
+**/worktrees

.release-please-manifest.json

@@ -0,0 +1,4 @@
+{
+  ".": "0.8.0",
+  "helm/garage-ui": "0.6.0"
+}

CHANGELOG.md

@@ -0,0 +1,54 @@
+# Changelog
+
+## [0.8.0](https://github.com/Noooste/garage-ui/compare/v0.7.0...v0.8.0) (2026-05-31)
+
+
+### ⚠ BREAKING CHANGES
+
+* **backend,helm:** bind to IPv6 wildcard by default for dual-stack support
+
+### Features
+
+* **backend,helm:** bind to IPv6 wildcard by default for dual-stack support ([5427758](https://github.com/Noooste/garage-ui/commit/5427758eaadc4fa1327402b958b7e7e1f43aecdd))
+* **docs:** add documentation generation command to Makefile ([186af18](https://github.com/Noooste/garage-ui/commit/186af18d54f739bd9b467cbf3ab9ccc2e92ddf62))
+
+## [0.7.0](https://github.com/Noooste/garage-ui/compare/v0.6.2...v0.7.0) (2026-05-23)
+
+
+### Features
+
+* **backend,frontend:** enable quotas support in bucket settings ([#64](https://github.com/Noooste/garage-ui/issues/64)) ([1f16edd](https://github.com/Noooste/garage-ui/commit/1f16edd39cfa2f3a51cb576871642c9d23545781))
+* **backend:** Support _FILE suffix on sensitive env variables ([#63](https://github.com/Noooste/garage-ui/issues/63)) ([36ec8e8](https://github.com/Noooste/garage-ui/commit/36ec8e800ea0ff5306e4d0f9f4aea4f72a5a109b))
+
+
+### Bug Fixes
+
+* **auth:** remove auto-enable token auth logic ([1b645b0](https://github.com/Noooste/garage-ui/commit/1b645b0c2c6e05dea98a7fc5d7595ca015913770))
+
+## [0.6.2](https://github.com/Noooste/garage-ui/compare/v0.6.1...v0.6.2) (2026-05-15)
+
+
+### Bug Fixes
+
+* **helm:** update appVersion format and improve image tag handling ([709b9f2](https://github.com/Noooste/garage-ui/commit/709b9f2ad33fb3852bc23be1d647bb1d9388169b))
+
+## [0.6.1](https://github.com/Noooste/garage-ui/compare/v0.6.0...v0.6.1) (2026-05-15)
+
+
+### Bug Fixes
+
+* Helm image tag ([#53](https://github.com/Noooste/garage-ui/issues/53)) ([ff46ff6](https://github.com/Noooste/garage-ui/commit/ff46ff623299461abade27478128f7e5ce409557))
+
+## [0.6.0](https://github.com/Noooste/garage-ui/compare/v0.5.0...v0.6.0) (2026-05-15)
+
+
+### Features
+
+* add extraEnvs to helm chart to allow config override ([#45](https://github.com/Noooste/garage-ui/issues/45)) ([c8337de](https://github.com/Noooste/garage-ui/commit/c8337de3a885fc86a08a9be329a60c0846e52d62))
+* enhance bucket credential retrieval to support read/write operations and improve caching logic ([#46](https://github.com/Noooste/garage-ui/issues/46)) ([c8cb3c4](https://github.com/Noooste/garage-ui/commit/c8cb3c49239bcf21b0abacba86622d55a202c4bd))
+
+
+### Bug Fixes
+
+* **ci:** correct appVersion tracking and remove changelog seeds ([#49](https://github.com/Noooste/garage-ui/issues/49)) ([f04c381](https://github.com/Noooste/garage-ui/commit/f04c38168d026c9746c5fb9f8182cb9fadc06f53))
+* **ci:** remove CHANGELOG.md seeds so release-please owns them ([#51](https://github.com/Noooste/garage-ui/issues/51)) ([cb3839e](https://github.com/Noooste/garage-ui/commit/cb3839e6189ec1d2a6609ff500ab7a79d0f5cbd9))

CONTRIBUTING.md

@@ -130,3 +130,61 @@ Enhancement suggestions are tracked as [GitHub issues](https://github.com/Nooost
 - **Describe the current behavior** and **explain which behavior you expected to see instead** and why. At this point you can also tell which alternatives do not work for you.
 - You may want to **include screenshots or screen recordings** which help you demonstrate the steps or point out the part which the suggestion is related to. You can use [LICEcap](https://www.cockos.com/licecap/) to record GIFs on macOS and Windows, and the built-in [screen recorder in GNOME](https://help.gnome.org/users/gnome-help/stable/screen-shot-record.html.en) or [SimpleScreenRecorder](https://github.com/MaartenBaert/ssr) on Linux. <!-- this should only be included if the project has a GUI -->
 - **Explain why this enhancement would be useful** to most Garage UI users. You may also want to point out the other projects that solved it better and which could serve as inspiration.
+
+
+## Commit Messages
+
+This repo uses [Conventional Commits](https://www.conventionalcommits.org/) on
+PR titles to drive automated releases and changelogs via
+[release-please](https://github.com/googleapis/release-please).
+
+PRs are squash-merged, so **only the PR title needs to follow the format**.
+Branch commits can be anything.
+
+### Format
+
+```
+<type>(<optional-scope>): <subject>
+```
+
+### Allowed types
+
+| Type       | Use when…                                | Triggers release? |
+|------------|------------------------------------------|-------------------|
+| `feat`     | adding new user-facing functionality     | minor bump        |
+| `fix`      | fixing a bug                             | patch bump        |
+| `feat!`    | breaking change (pre-1.0: still minor)   | minor bump        |
+| `perf`     | performance improvement                  | patch bump        |
+| `docs`     | documentation only                       | no                |
+| `refactor` | code change that's not feat/fix          | no                |
+| `chore`    | tooling, deps, build                     | no                |
+| `test`     | adding/fixing tests                      | no                |
+| `ci`       | CI workflow changes                      | no                |
+| `build`    | build system changes                     | no                |
+
+Pre-1.0 SemVer: while the project is `<1.0`, breaking changes (`feat!`) bump
+the **minor** version, not the major. Once the project declares `1.0.0`,
+`feat!` will bump major as per standard SemVer.
+
+### Allowed scopes
+
+- `backend` — Go API server
+- `frontend` — React app
+- `helm` — Helm chart
+- `ci` — CI workflows
+- `deps` — dependency updates
+
+Scope is optional. Use it when the change is clearly scoped to one component
+(it routes the version bump to that component only).
+
+### Examples
+
+```
+feat(backend): add bucket quota enforcement
+fix(frontend): correct theme toggle in Safari
+feat(helm): support extraEnvs in deployment template
+chore(deps): bump axios from 1.15.0 to 1.15.2
+docs: clarify OIDC setup in README
+```
+
+The PR title is automatically validated by the `pr-title` GitHub Action.

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM node:25-alpine3.22 AS frontend-builder
+FROM --platform=$BUILDPLATFORM node:25-alpine3.23 AS frontend-builder
 
 WORKDIR /app/frontend
 
@@ -11,7 +11,7 @@ COPY frontend/ .
 
 RUN npm run build
 
-FROM --platform=$BUILDPLATFORM golang:1.25.4-alpine3.22 AS backend-builder
+FROM --platform=$BUILDPLATFORM golang:1.26.0-alpine3.23 AS backend-builder
 
 ARG TARGETOS
 ARG TARGETARCH
@@ -29,14 +29,16 @@ RUN --mount=type=cache,target=/go/pkg/mod \
 
 COPY backend .
 
+ARG VERSION=dev
+
 RUN --mount=type=cache,target=/root/.cache/go-build \
     swag init
 
 RUN --mount=type=cache,target=/go/pkg/mod \
     --mount=type=cache,target=/root/.cache/go-build \
-    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -a -installsuffix cgo -o garage-ui .
+    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -a -installsuffix cgo -ldflags "-X main.version=${VERSION}" -o garage-ui .
 
-FROM alpine:3.22
+FROM alpine:3.23.3
 
 WORKDIR /app
 
@@ -46,14 +48,13 @@ RUN addgroup -g 1000 garageui && \
     adduser -D -u 1000 -G garageui garageui
 
 COPY --from=backend-builder --chown=garageui:garageui /app/garage-ui .
-COPY --from=frontend-builder /app/frontend/dist ./frontend/dist
+COPY --from=frontend-builder --chown=garageui:garageui /app/frontend/dist ./frontend/dist
 
 USER garageui
 
 EXPOSE 8080
 
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-  CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
+    CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
 
 CMD ["./garage-ui"]
-

Makefile

@@ -1,9 +1,9 @@
 .PHONY: help build up down restart logs clean ps health dev-build dev-up dev-down dev-restart dev-logs prod-up prod-down prod-restart prod-logs push stop
 
 # Variables
-DOCKER_COMPOSE = docker-compose
-DOCKER_COMPOSE_DEV = docker-compose -f docker-compose.dev.yml
-DOCKER_COMPOSE_PROD = docker-compose -f docker-compose.yml
+DOCKER_COMPOSE = docker compose
+DOCKER_COMPOSE_DEV = docker compose -f docker-compose.dev.yml
+DOCKER_COMPOSE_PROD = docker compose -f docker-compose.yml
 IMAGE_NAME = noooste/garage-ui
 IMAGE_TAG = latest
 
@@ -135,3 +135,28 @@ install:
 update: prod-pull prod-restart
 
 .DEFAULT_GOAL := help
+
+.PHONY: test test-race test-cover test-smoke
+
+## test: Run backend unit tests
+test:
+	cd backend && go test ./...
+
+## test-race: Run backend unit tests with the race detector
+test-race:
+	cd backend && go test -race ./...
+
+## test-cover: Run backend unit tests with coverage and enforce the coverage gate
+test-cover:
+	cd backend && go test -coverprofile=../coverage.out -coverpkg=./... ./...
+	bash scripts/coverage-gate.sh coverage.out
+
+## test-smoke: Run the docker compose smoke test (requires Docker + compose v2)
+test-smoke:
+	cd backend && go test -tags=smoke -timeout 10m ./tests/smoke/...
+
+docs:
+	@echo "Generating documentation..."
+	@mkdir -p docs
+	@echo "Documentation generated in the 'docs' directory."
+	swag init -g backend/cmd/garage-ui/main.go -o docs --parseDependency --parseInternal

README.md

@@ -1,13 +1,15 @@
-# Garage UI
+<p align="center">
+  <a href="https://github.com/Noooste/garage-ui/actions/workflows/build.yml"><img src="https://github.com/Noooste/garage-ui/actions/workflows/build.yml/badge.svg" alt="Docker Build" /></a>
+  <a href="https://github.com/Noooste/garage-ui/actions/workflows/chart-release.yml"><img src="https://github.com/Noooste/garage-ui/actions/workflows/chart-release.yml/badge.svg" alt="Helm Chart" /></a>
+  <a href="https://codecov.io/gh/Noooste/garage-ui"><img src="https://codecov.io/gh/Noooste/garage-ui/branch/main/graph/badge.svg" alt="Coverage" /></a>
+  <a href="https://opensource.org/licenses/MIT"><img src="https://img.shields.io/badge/License-MIT-yellow.svg" alt="License: MIT" /></a>
+  <a href="https://go.dev/"><img src="https://img.shields.io/badge/Go-1.25%2B-00ADD8?logo=go" alt="Go Version" /></a>
+  <a href="https://artifacthub.io/packages/search?repo=garage-ui"><img src="https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/garage-ui" alt="Artifact Hub" /></a>
+</p>
 
-A web interface for managing [Garage](https://garagehq.deuxfleurs.fr/) object storage clusters.
+# Garage UI - Web Dashboard for Garage S3 Storage
 
-[![Docker Build](https://github.com/Noooste/garage-ui/actions/workflows/build.yml/badge.svg)](https://github.com/Noooste/garage-ui/actions/workflows/build.yml)
-[![Helm Chart](https://github.com/Noooste/garage-ui/actions/workflows/release.yml/badge.svg)](https://github.com/Noooste/garage-ui/actions/workflows/release.yml)
-[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-[![Go Version](https://img.shields.io/badge/Go-1.25%2B-00ADD8?logo=go)](https://go.dev/)
-[![Node Version](https://img.shields.io/badge/Node-25%2B-339933?logo=node.js)](https://nodejs.org/)
-[![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/garage-ui)](https://artifacthub.io/packages/search?repo=garage-ui)
+A modern web interface to manage <a href="https://garagehq.deuxfleurs.fr/">Garage</a> object storage clusters. Browse buckets, manage access keys, monitor your cluster, all from your browser.
 
 ---
 
@@ -24,97 +26,37 @@ A web interface for managing [Garage](https://garagehq.deuxfleurs.fr/) object st
 
 ## Features
 
-- Bucket and object management
-- User access control
-- Cluster monitoring
-- Multiple authentication options (none/basic/OIDC)
-- Drag-and-drop file uploads
+- **Bucket management** - create, configure, and browse buckets with drag-and-drop file uploads
+- **Access key management** - create keys, assign per-bucket permissions
+- **Cluster overview** - monitor node status, layout configuration, and storage usage
+- **Flexible authentication** - no auth, basic credentials, or OIDC (Keycloak, Authentik, etc.)
+- **Easy deployment** - single Docker image or Helm chart, configure with one YAML file
 
 ## Quick Start
 
 ### Prerequisites
 
 - Docker & Docker Compose
-- Garage S3 cluster (v2.1.0+) or use the included setup
+- A running Garage cluster (v2.1.0+) - [setup guide](docs/garage-setup.md) if you need one
 
-### 1. Clone & Setup
+### 1. Clone & Configure
 
 ```bash
 git clone https://github.com/Noooste/garage-ui.git
 cd garage-ui
-```
-
-### 2. Start Garage
-
-If you don't have Garage running:
-
-```bash
-docker-compose up -d garage
-sleep 10
-
-# Initialize cluster
-docker-compose exec garage garage layout assign -z dc1 -c 1G $(docker-compose exec garage garage node id -q)
-docker-compose exec garage garage layout apply --version 1
-
-# Create admin key
-docker-compose exec garage garage key create admin-key
-```
-
-Save the access key and secret key from the output.
-
-### 3. Configure
-
-```bash
-cp config.yaml.example config.yaml
+cp config.example.yaml config.yaml
 ```
 
 Edit `config.yaml` with your Garage endpoints and admin token (from `garage.toml`).
 
-### 4. Start UI
+### 2. Start
 
 ```bash
-docker-compose up -d garage-ui
+docker compose up -d garage-ui
 ```
 
 Access at http://localhost:8080
 
-## Configuration
-
-Minimum required config:
-
-```yaml
-server:
-  port: 8080
-
-garage:
-  endpoint: "http://garage:3900"
-  admin_endpoint: "http://garage:3903"
-  admin_token: "your-admin-token"
-  region: "garage"
-```
-
-Enable authentication (optional):
-
-```yaml
-auth:
-  admin:
-    enabled: true
-    username: "admin"
-    password: "your-password"
-```
-
-See [config.yaml.example](config.yaml.example) for all options.
-
-### Environment Variables
-
-Override any config value with `GARAGE_UI_` prefix:
-
-```bash
-GARAGE_UI_SERVER_PORT=8080
-GARAGE_UI_GARAGE_ENDPOINT=http://garage:3900
-GARAGE_UI_GARAGE_ADMIN_TOKEN=your-token
-```
-
 ## Deployment
 
 ### Docker
@@ -135,22 +77,108 @@ helm install garage-ui garage-ui/garage-ui \
   --set garage.adminToken=your-token
 ```
 
-## Development
+Access at http://localhost:8080
+
+### Quick Start with garage.toml
+
+If you already have a running Garage instance, you can point Garage UI directly at your `garage.toml` -- no `config.yaml` needed:
 
-Backend (Go 1.25+):
 ```bash
-cd backend
-go run main.go --config ../config.yaml
+./garage-ui --garage-toml /etc/garage.toml
 ```
 
-Frontend (Node.js 25+):
+Garage UI reads the S3 endpoint, admin endpoint, admin token, and S3 region straight from the TOML file. When no authentication method is explicitly configured, **token auth auto-enables**: the login page asks for the Garage admin token, giving you a login wall with zero extra config.
+
+**Bind address handling:** Wildcard addresses like `0.0.0.0` or `[::]` are converted to `127.0.0.1` so the UI can reach Garage on localhost. Inside containers this won't work -- override the endpoint explicitly with environment variables or a config file.
+
+**Docker:**
+
 ```bash
-cd frontend
-npm install
-npm run dev
+docker run -d -p 8080:8080 \
+  -v /etc/garage.toml:/etc/garage.toml:ro \
+  -e GARAGE_UI_GARAGE_TOML=/etc/garage.toml \
+  -e GARAGE_UI_GARAGE_ENDPOINT=http://garage:3900 \
+  -e GARAGE_UI_GARAGE_ADMIN_ENDPOINT=http://garage:3903 \
+  noooste/garage-ui:latest
 ```
 
-API docs: http://localhost:8080/api/v1/
+The endpoint overrides are needed because the container cannot reach `127.0.0.1` on the host.
+
+**Combining flags:** Use `--garage-toml` for Garage connection values and `--config` for everything else (auth, CORS, logging, etc.):
+
+```bash
+./garage-ui --garage-toml /etc/garage.toml --config config.yaml
+```
+
+**Precedence order** (highest wins): built-in defaults < `garage.toml` < `config.yaml` < environment variables.
+
+## Configuration
+
+Minimum required config:
+
+```yaml
+server:
+  port: 8080
+
+garage:
+  endpoint: "http://garage:3900"
+  admin_endpoint: "http://garage:3903"
+  admin_token: "your-admin-token"
+  region: "garage"
+```
+
+Server bind host is configured by `server.host` (default: `::`). IPv6 literals like `::` and `::1` are supported.
+
+```yaml
+server:
+  host: "::" # IPv6 wildcard (dual-stack-preferred)
+  port: 8080
+```
+
+If your environment needs explicit IPv4-only binding, set `server.host: "0.0.0.0"`.
+
+See [config.example.yaml](config.example.yaml) for all options including authentication, CORS, and logging.
+
+### Environment Variables
+
+Override any config value with `GARAGE_UI_` prefix:
+
+```bash
+GARAGE_UI_SERVER_PORT=8080
+GARAGE_UI_GARAGE_ENDPOINT=http://garage:3900
+GARAGE_UI_GARAGE_ADMIN_TOKEN=your-token
+```
+
+#### Loading sensitive values from files (`_FILE` suffix)
+
+For Docker/Kubernetes secret integration, sensitive env vars can be read from files instead of plain values. Set `{VAR}_FILE=/path/to/file` and garage-ui reads the file's contents (trailing CR/LF trimmed) as the value. If both `{VAR}` and `{VAR}_FILE` are set, `_FILE` wins and a warning is logged. A missing or unreadable file causes startup to fail.
+
+Supported vars:
+
+- `GARAGE_UI_GARAGE_ADMIN_TOKEN_FILE`
+- `GARAGE_UI_AUTH_ADMIN_USERNAME_FILE`
+- `GARAGE_UI_AUTH_ADMIN_PASSWORD_FILE`
+- `GARAGE_UI_AUTH_JWT_PRIVATE_KEY_FILE`
+- `GARAGE_UI_AUTH_OIDC_CLIENT_ID_FILE`
+- `GARAGE_UI_AUTH_OIDC_CLIENT_SECRET_FILE`
+
+Example with Docker Compose secrets:
+
+```yaml
+services:
+  garage-ui:
+    image: noooste/garage-ui:latest
+    environment:
+      GARAGE_UI_AUTH_ADMIN_PASSWORD_FILE: /run/secrets/admin_password
+    secrets:
+      - admin_password
+
+secrets:
+  admin_password:
+    file: ./admin_password.txt
+```
+
+This matches the convention used by the official Postgres and MySQL Docker images. Helm users do not need this — the chart already injects secrets via `existingSecret` references.
 
 ## Garage Configuration
 
@@ -172,6 +200,23 @@ api_bind_addr = "[::]:3900"      # Default: 127.0.0.1:3900
 
 For complete Garage configuration, see the [official documentation](https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/).
 
+## Development
+
+Backend (Go 1.25+):
+```bash
+cd backend
+go run main.go --config ../config.yaml
+```
+
+Frontend (Node.js 25+):
+```bash
+cd frontend
+npm install
+npm run dev
+```
+
+API docs: http://localhost:8080/api/v1/
+
 ## Troubleshooting
 
 **Connection failed:**
@@ -183,8 +228,55 @@ curl http://localhost:3903/status -H "Authorization: Bearer your-token"
 ```yaml
 logging:
   level: "debug"
+  format: "text"  # or "json"
 ```
 
+## Roadmap
+
+Ideas being considered. Contributions welcome.
+
+**Object browser**
+- [ ] Inline preview (images, PDF, video, text/markdown, code)
+- [ ] Resumable multipart uploads with pause/resume
+- [ ] Folder uploads preserving prefix structure
+- [ ] Bulk actions (delete, copy prefix, download prefix as zip)
+- [ ] Command palette (Cmd-K) and keyboard navigation
+
+**Sharing**
+- [ ] Presigned download links with expiry + QR code
+- [ ] Presigned upload drop-zones ("send me a file" pages)
+
+**Buckets**
+- [ ] Bucket alias manager (global vs. user-scoped)
+- [ ] Quota editor with live usage bar
+- [ ] Lifecycle editor (expiration + abort-multipart)
+- [ ] CORS editor with built-in test request
+- [ ] Website config (index/error docs) with live link
+- [ ] Per-bucket usage graph over time
+
+**Access keys**
+- [ ] Permission matrix view (keys x buckets)
+- [ ] Key rotation helper
+- [ ] Copy-ready snippets per key (aws-cli, rclone, restic, s3cmd, mc, Terraform)
+
+**Cluster**
+- [X] Support Garage v1 to latest
+- [ ] Visual layout editor with staged vs. applied diff
+- [ ] Capacity planner / simulation
+- [ ] Rebalance progress and node health timeline
+- [ ] Worker/repair panel (trigger scrub, repair, rebalance)
+
+**Observability**
+- [ ] Dashboard with dedup/compression savings
+- [ ] Metrics explorer pulling from Garage `/metrics`
+- [ ] Admin audit log
+
+**Polish**
+- [ ] i18n (FR/EN)
+- [ ] Mobile-friendly object browser
+- [ ] First-run onboarding wizard
+- [ ] GitOps export (layout + buckets + keys as YAML)
+
 ## License
 
 MIT - see [LICENSE](LICENSE)
@@ -193,4 +285,4 @@ MIT - see [LICENSE](LICENSE)
 
 - [Issues](https://github.com/Noooste/garage-ui/issues)
 - [Contributing](CONTRIBUTING.md)
-- [Garage Docs](https://garagehq.deuxfleurs.fr/documentation/)
+- [Garage Docs](https://garagehq.deuxfleurs.fr/documentation/)

backend/go.mod

@@ -3,63 +3,62 @@ module Noooste/garage-ui
 go 1.25.3
 
 require (
-	github.com/Noooste/azuretls-client v1.12.10
+	github.com/Noooste/azuretls-client v1.13.2
 	github.com/Noooste/swagger v1.2.0
-	github.com/coreos/go-oidc/v3 v3.17.0
-	github.com/gofiber/fiber/v3 v3.0.0-rc.3
-	github.com/minio/minio-go/v7 v7.0.97
-	github.com/rs/zerolog v1.34.0
+	github.com/coreos/go-oidc/v3 v3.18.0
+	github.com/gofiber/fiber/v3 v3.3.0
+	github.com/golang-jwt/jwt/v5 v5.3.1
+	github.com/google/uuid v1.6.0
+	github.com/minio/minio-go/v7 v7.1.0
+	github.com/pelletier/go-toml/v2 v2.3.1
+	github.com/rs/zerolog v1.35.1
 	github.com/spf13/viper v1.21.0
 	github.com/swaggo/swag v1.16.6
-	golang.org/x/oauth2 v0.33.0
+	golang.org/x/oauth2 v0.36.0
 )
 
 require (
 	github.com/KyleBanks/depth v1.2.1 // indirect
 	github.com/Noooste/fhttp v1.0.15 // indirect
 	github.com/Noooste/go-socks4 v0.0.2 // indirect
-	github.com/Noooste/uquic-go v1.0.3 // indirect
-	github.com/Noooste/utls v1.3.20 // indirect
+	github.com/Noooste/uquic-go v1.0.5 // indirect
+	github.com/Noooste/utls v1.3.21 // indirect
 	github.com/Noooste/websocket v1.0.3 // indirect
-	github.com/andybalholm/brotli v1.2.0 // indirect
+	github.com/andybalholm/brotli v1.2.1 // indirect
 	github.com/bdandy/go-errors v1.2.2 // indirect
-	github.com/cloudflare/circl v1.6.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/cloudflare/circl v1.6.3 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/fatih/color v1.18.0 // indirect
-	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/fatih/color v1.19.0 // indirect
+	github.com/fsnotify/fsnotify v1.10.1 // indirect
 	github.com/gaukas/clienthellod v0.4.2 // indirect
 	github.com/gaukas/godicttls v0.0.4 // indirect
 	github.com/go-ini/ini v1.67.0 // indirect
-	github.com/go-jose/go-jose/v4 v4.1.3 // indirect
-	github.com/go-openapi/jsonpointer v0.22.3 // indirect
-	github.com/go-openapi/jsonreference v0.21.3 // indirect
-	github.com/go-openapi/spec v0.22.1 // indirect
-	github.com/go-openapi/swag/conv v0.25.4 // indirect
-	github.com/go-openapi/swag/jsonname v0.25.4 // indirect
-	github.com/go-openapi/swag/jsonutils v0.25.4 // indirect
-	github.com/go-openapi/swag/loading v0.25.4 // indirect
-	github.com/go-openapi/swag/stringutils v0.25.4 // indirect
-	github.com/go-openapi/swag/typeutils v0.25.4 // indirect
-	github.com/go-openapi/swag/yamlutils v0.25.4 // indirect
-	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
-	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
-	github.com/goccy/go-json v0.10.5 // indirect
-	github.com/gofiber/schema v1.6.0 // indirect
-	github.com/gofiber/utils/v2 v2.0.0-rc.3 // indirect
-	github.com/golang-jwt/jwt/v5 v5.3.0 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.4 // indirect
+	github.com/go-openapi/jsonpointer v0.23.1 // indirect
+	github.com/go-openapi/jsonreference v0.21.5 // indirect
+	github.com/go-openapi/spec v0.22.4 // indirect
+	github.com/go-openapi/swag/conv v0.26.0 // indirect
+	github.com/go-openapi/swag/jsonname v0.26.0 // indirect
+	github.com/go-openapi/swag/jsonutils v0.26.0 // indirect
+	github.com/go-openapi/swag/loading v0.26.0 // indirect
+	github.com/go-openapi/swag/stringutils v0.26.0 // indirect
+	github.com/go-openapi/swag/typeutils v0.26.0 // indirect
+	github.com/go-openapi/swag/yamlutils v0.26.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
+	github.com/gofiber/schema v1.7.1 // indirect
+	github.com/gofiber/utils/v2 v2.0.6 // indirect
 	github.com/google/gopacket v1.1.19 // indirect
-	github.com/google/uuid v1.6.0 // indirect
-	github.com/klauspost/compress v1.18.2 // indirect
+	github.com/klauspost/compress v1.18.6 // indirect
 	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/klauspost/crc32 v1.3.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-isatty v0.0.22 // indirect
 	github.com/minio/crc64nvme v1.1.1 // indirect
 	github.com/minio/md5-simd v1.1.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/philhofer/fwd v1.2.0 // indirect
 	github.com/quic-go/qpack v0.6.0 // indirect
-	github.com/refraction-networking/utls v1.8.1 // indirect
+	github.com/refraction-networking/utls v1.8.2 // indirect
 	github.com/rs/xid v1.6.0 // indirect
 	github.com/sagikazarmark/locafero v0.12.0 // indirect
 	github.com/spf13/afero v1.15.0 // indirect
@@ -67,18 +66,17 @@ require (
 	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/swaggo/files/v2 v2.0.2 // indirect
-	github.com/tinylib/msgp v1.6.1 // indirect
+	github.com/tinylib/msgp v1.6.4 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
-	github.com/valyala/fasthttp v1.68.0 // indirect
-	go.uber.org/automaxprocs v1.6.0 // indirect
+	github.com/valyala/fasthttp v1.71.0 // indirect
+	github.com/zeebo/xxh3 v1.1.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/crypto v0.45.0 // indirect
-	golang.org/x/mod v0.30.0 // indirect
-	golang.org/x/net v0.47.0 // indirect
-	golang.org/x/sync v0.18.0 // indirect
-	golang.org/x/sys v0.38.0 // indirect
-	golang.org/x/text v0.31.0 // indirect
-	golang.org/x/tools v0.39.0 // indirect
-	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
+	golang.org/x/crypto v0.52.0 // indirect
+	golang.org/x/mod v0.36.0 // indirect
+	golang.org/x/net v0.55.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/sys v0.45.0 // indirect
+	golang.org/x/text v0.37.0 // indirect
+	golang.org/x/tools v0.45.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 )

backend/go.sum

@@ -1,168 +1,163 @@
 github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
 github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
-github.com/Noooste/azuretls-client v1.12.9 h1:w6XVao95irzge8k+yF5ZovIKf7UBe0GVE3sTRKs/4wE=
-github.com/Noooste/azuretls-client v1.12.9/go.mod h1:GHqLaS+vjBk+D3fMA0d+gNgDS2ahtic+6c+7JyMfrdU=
-github.com/Noooste/azuretls-client v1.12.10 h1:wD+hSokcB1DCFSSLpj05bMGUCBV0wbPB/Z4uPFNEpoI=
-github.com/Noooste/azuretls-client v1.12.10/go.mod h1:nVPwYA6UgHrOinlpvj6t/zDTBV+UfT3t8vmab7WYxF0=
+github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
+github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
+github.com/Noooste/azuretls-client v1.13.2 h1:8Dli5aKP5O6qN/FNSGFVkpQ1V1F1gGawAkLIE2Nrk+U=
+github.com/Noooste/azuretls-client v1.13.2/go.mod h1:ON+SmiBm4Zy5vAhJmBNZk61Y7nqf4iM/b1MC1lN47Bk=
 github.com/Noooste/fhttp v1.0.15 h1:sYRWOKgr1x4L+wA6REMJCs4Z/lFOSJmuQHSIXMXCcPs=
 github.com/Noooste/fhttp v1.0.15/go.mod h1:YZtq+i2M11Y22UiOR6gjNSLMNLiPhURh6M44oFVQ1TE=
 github.com/Noooste/go-socks4 v0.0.2 h1:DwHCYiCEAdjfNrQOFIid7qgKCll7ubhGS1ji5O8FYng=
 github.com/Noooste/go-socks4 v0.0.2/go.mod h1:+oOgtOFRsU8FoK7NBOhHSjiH5pveY8LgYNF5XcqVgjE=
 github.com/Noooste/swagger v1.2.0 h1:zGHin8k2V9mXDB1gxXOdKe4V8zhw79ycsw+/L2hH/pk=
 github.com/Noooste/swagger v1.2.0/go.mod h1:5N+iUZlFA43k2Paf42EZ+SFndBG1niSA1FAnwiNP1PM=
-github.com/Noooste/uquic-go v1.0.1 h1:12ARejbnh0R5FLGoHhz4p+qT/8BKkRNTPsJlkX4/pg8=
-github.com/Noooste/uquic-go v1.0.1/go.mod h1:6AUIck22N0wQ5+CY/5pLmW3IzdITlf7ABtjbRsaZq2A=
-github.com/Noooste/uquic-go v1.0.3 h1:VP8npQmU4lkVLm9Ug5Q18SJ8ExFDfUZIzd13YjYaLHE=
-github.com/Noooste/uquic-go v1.0.3/go.mod h1:MxkrvgpNcbIOSQxqglC3e/798O/6zuL3mBhlFN+04w4=
-github.com/Noooste/utls v1.3.20 h1:QzBNGGJ184bNMLodOzvM9YWc4vZ36QodIjqFQOHoZ88=
-github.com/Noooste/utls v1.3.20/go.mod h1:XEy+VEbTxmH6krfSG5YT7wDbjHTEi2zUXTG33R0PAAg=
+github.com/Noooste/uquic-go v1.0.5 h1:HWfrxhxgB1a9Y2Au5mfFs2Y5Dy13OQIwa86D/kULPtE=
+github.com/Noooste/uquic-go v1.0.5/go.mod h1:1y+qiy23PqLKudi4kQiJ0b3zXXYcyctEBRfZPTuyBz4=
+github.com/Noooste/utls v1.3.21 h1:5yEzTibikzF0/d0REfbjXURGHxJDKCrRghVAU/OQBko=
+github.com/Noooste/utls v1.3.21/go.mod h1:XEy+VEbTxmH6krfSG5YT7wDbjHTEi2zUXTG33R0PAAg=
 github.com/Noooste/websocket v1.0.3 h1:drW7tvZ3YqzqI9wApnaH1Q0syFMXO7gbLlsBWjZvMNA=
 github.com/Noooste/websocket v1.0.3/go.mod h1:Qhw0Rtuju/fPPbcb3R5XGq7poa51qPDL462jTltl9nQ=
-github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwToPjQ=
-github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
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+golang.org/x/crypto v0.52.0 h1:RMs7fP2rXdep0CftQlK8Uf+kibLm7qkCcradZWYz988=
+golang.org/x/crypto v0.52.0/go.mod h1:1QgfPxDqh0T2M/elOJtp9RvuR95kVjir0e6/BvEmGbc=
 golang.org/x/exp v0.0.0-20250506013437-ce4c2cf36ca6 h1:y5zboxd6LQAqYIhHnB48p0ByQ/GnQx2BE33L8BOHQkI=
 golang.org/x/exp v0.0.0-20250506013437-ce4c2cf36ca6/go.mod h1:U6Lno4MTRCDY+Ba7aCcauB9T60gsv5s4ralQzP72ZoQ=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.30.0 h1:fDEXFVZ/fmCKProc/yAXXUijritrDzahmwwefnjoPFk=
-golang.org/x/mod v0.30.0/go.mod h1:lAsf5O2EvJeSFMiBxXDki7sCgAxEUcZHXoXMKT4GJKc=
+golang.org/x/mod v0.35.0 h1:Ww1D637e6Pg+Zb2KrWfHQUnH2dQRLBQyAtpr/haaJeM=
+golang.org/x/mod v0.35.0/go.mod h1:+GwiRhIInF8wPm+4AoT6L0FA1QWAad3OMdTRx4tFYlU=
+golang.org/x/mod v0.36.0 h1:JJjpVx6myfUsUdAzZuOSTTmRE0PfZeNWzzvKrP7amb4=
+golang.org/x/mod v0.36.0/go.mod h1:moc6ELqsWcOw5Ef3xVprK5ul/MvtVvkIXLziUOICjUQ=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
-golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
-golang.org/x/oauth2 v0.33.0 h1:4Q+qn+E5z8gPRJfmRy7C2gGG3T4jIprK6aSYgTXGRpo=
-golang.org/x/oauth2 v0.33.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
+golang.org/x/net v0.53.0 h1:d+qAbo5L0orcWAr0a9JweQpjXF19LMXJE8Ey7hwOdUA=
+golang.org/x/net v0.53.0/go.mod h1:JvMuJH7rrdiCfbeHoo3fCQU24Lf5JJwT9W3sJFulfgs=
+golang.org/x/net v0.55.0 h1:bcvxaJn3e1U6InsFWt1JUq1aSjnRxLzT2rtD2KfkDF8=
+golang.org/x/net v0.55.0/go.mod h1:L5U2KuzuOe1lY7Z+aWVIKK6qEeJXnXV9yzGA+WCHJww=
+golang.org/x/oauth2 v0.36.0 h1:peZ/1z27fi9hUOFCAZaHyrpWG5lwe0RJEEEeH0ThlIs=
+golang.org/x/oauth2 v0.36.0/go.mod h1:YDBUJMTkDnJS+A4BP4eZBjCqtokkg1hODuPjwiGPO7Q=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.18.0 h1:kr88TuHDroi+UVf+0hZnirlk8o8T+4MrK6mr60WkH/I=
-golang.org/x/sync v0.18.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
+golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
-golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.43.0 h1:Rlag2XtaFTxp19wS8MXlJwTvoh8ArU6ezoyFsMyCTNI=
+golang.org/x/sys v0.43.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/sys v0.45.0 h1:dO4czNzziLiiXplLQgBCEpCvXQ3dnkn0SdaZSYdQ+FY=
+golang.org/x/sys v0.45.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
-golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
+golang.org/x/text v0.36.0 h1:JfKh3XmcRPqZPKevfXVpI1wXPTqbkE5f7JA92a55Yxg=
+golang.org/x/text v0.36.0/go.mod h1:NIdBknypM8iqVmPiuco0Dh6P5Jcdk8lJL0CUebqK164=
+golang.org/x/text v0.37.0 h1:Cqjiwd9eSg8e0QAkyCaQTNHFIIzWtidPahFWR83rTrc=
+golang.org/x/text v0.37.0/go.mod h1:a5sjxXGs9hsn/AJVwuElvCAo9v8QYLzvavO5z2PiM38=
 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ=
-golang.org/x/tools v0.39.0/go.mod h1:JnefbkDPyD8UU2kI5fuf8ZX4/yUeh9W877ZeBONxUqQ=
+golang.org/x/tools v0.44.0 h1:UP4ajHPIcuMjT1GqzDWRlalUEoY+uzoZKnhOjbIPD2c=
+golang.org/x/tools v0.44.0/go.mod h1:KA0AfVErSdxRZIsOVipbv3rQhVXTnlU6UhKxHd1seDI=
+golang.org/x/tools v0.45.0 h1:18qN3FAooORvApf5XjCXgsuayZOEtXf6JK18I3+ONa8=
+golang.org/x/tools v0.45.0/go.mod h1:LuUGqqaXcXMEFEruIVJVm5mgDD8vww/z/SR1gQ4uE/0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

backend/internal/auth/auth.go

@@ -1,10 +1,14 @@
 package auth
 
 import (
+	"Noooste/garage-ui/pkg/logger"
 	"context"
 	"crypto/subtle"
+	"crypto/tls"
 	"encoding/base64"
+	"encoding/json"
 	"fmt"
+	"net/http"
 	"strings"
 
 	"Noooste/garage-ui/internal/config"
@@ -13,13 +17,14 @@ import (
 	"golang.org/x/oauth2"
 )
 
-// AuthService handles authentication operations
-type AuthService struct {
+// Service handles authentication operations
+type Service struct {
 	authConfig   *config.AuthConfig
 	serverConfig *config.ServerConfig
 	oidcProvider *oidc.Provider
 	oidcVerifier *oidc.IDTokenVerifier
 	oauth2Config *oauth2.Config
+	oidcClient   *http.Client
 	jwtService   *JWTService
 }
 
@@ -32,13 +37,13 @@ type UserInfo struct {
 }
 
 // NewAuthService creates a new authentication service
-func NewAuthService(authCfg *config.AuthConfig, serverCfg *config.ServerConfig) (*AuthService, error) {
+func NewAuthService(authCfg *config.AuthConfig, serverCfg *config.ServerConfig) (*Service, error) {
 	jwtService, err := NewJWTServiceWithKey(authCfg.JWTPrivKey)
 	if err != nil {
 		return nil, fmt.Errorf("failed to initialize JWT service: %w", err)
 	}
 
-	service := &AuthService{
+	service := &Service{
 		authConfig:   authCfg,
 		serverConfig: serverCfg,
 		jwtService:   jwtService,
@@ -55,8 +60,16 @@ func NewAuthService(authCfg *config.AuthConfig, serverCfg *config.ServerConfig)
 }
 
 // initOIDC initializes the OIDC provider and configuration
-func (a *AuthService) initOIDC() error {
-	ctx := context.Background()
+func (a *Service) initOIDC() error {
+	if a.authConfig.OIDC.TLSSkipVerify {
+		a.oidcClient = &http.Client{
+			Transport: &http.Transport{
+				TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+			},
+		}
+	}
+
+	ctx := a.oidcContext(context.Background())
 
 	// Create OIDC provider
 	provider, err := oidc.NewProvider(ctx, a.authConfig.OIDC.IssuerURL)
@@ -90,8 +103,15 @@ func (a *AuthService) initOIDC() error {
 	return nil
 }
 
+func (a *Service) oidcContext(ctx context.Context) context.Context {
+	if a.oidcClient == nil {
+		return ctx
+	}
+	return oidc.ClientContext(ctx, a.oidcClient)
+}
+
 // ValidateBasicAuth validates basic authentication credentials
-func (a *AuthService) ValidateBasicAuth(username, password string) bool {
+func (a *Service) ValidateBasicAuth(username, password string) bool {
 	// Use constant-time comparison to prevent timing attacks
 	usernameMatch := subtle.ConstantTimeCompare(
 		[]byte(username),
@@ -106,37 +126,8 @@ func (a *AuthService) ValidateBasicAuth(username, password string) bool {
 	return usernameMatch && passwordMatch
 }
 
-// ParseBasicAuth parses the Authorization header for basic auth
-func ParseBasicAuth(authHeader string) (username, password string, ok bool) {
-	if authHeader == "" {
-		return "", "", false
-	}
-
-	// Check if it's a Basic auth header
-	const prefix = "Basic "
-	if !strings.HasPrefix(authHeader, prefix) {
-		return "", "", false
-	}
-
-	// Decode base64 credentials
-	encoded := authHeader[len(prefix):]
-	decoded, err := base64.StdEncoding.DecodeString(encoded)
-	if err != nil {
-		return "", "", false
-	}
-
-	// Split username:password
-	credentials := string(decoded)
-	parts := strings.SplitN(credentials, ":", 2)
-	if len(parts) != 2 {
-		return "", "", false
-	}
-
-	return parts[0], parts[1], true
-}
-
 // GetAuthorizationURL returns the OIDC authorization URL for login
-func (a *AuthService) GetAuthorizationURL(state string) (string, error) {
+func (a *Service) GetAuthorizationURL(state string) (string, error) {
 	if a.oauth2Config == nil {
 		return "", fmt.Errorf("OIDC not initialized")
 	}
@@ -145,12 +136,12 @@ func (a *AuthService) GetAuthorizationURL(state string) (string, error) {
 }
 
 // ExchangeCode exchanges an authorization code for tokens
-func (a *AuthService) ExchangeCode(ctx context.Context, code string) (*oauth2.Token, error) {
+func (a *Service) ExchangeCode(ctx context.Context, code string) (*oauth2.Token, error) {
 	if a.oauth2Config == nil {
 		return nil, fmt.Errorf("OIDC not initialized")
 	}
 
-	token, err := a.oauth2Config.Exchange(ctx, code)
+	token, err := a.oauth2Config.Exchange(a.oidcContext(ctx), code)
 	if err != nil {
 		return nil, fmt.Errorf("failed to exchange code: %w", err)
 	}
@@ -159,13 +150,13 @@ func (a *AuthService) ExchangeCode(ctx context.Context, code string) (*oauth2.To
 }
 
 // VerifyIDToken verifies an OIDC ID token and extracts user info
-func (a *AuthService) VerifyIDToken(ctx context.Context, rawIDToken string) (*UserInfo, error) {
+func (a *Service) VerifyIDToken(ctx context.Context, rawIDToken string) (*UserInfo, error) {
 	if a.oidcVerifier == nil {
 		return nil, fmt.Errorf("OIDC not initialized")
 	}
 
 	// Verify the ID token
-	idToken, err := a.oidcVerifier.Verify(ctx, rawIDToken)
+	idToken, err := a.oidcVerifier.Verify(a.oidcContext(ctx), rawIDToken)
 	if err != nil {
 		return nil, fmt.Errorf("failed to verify ID token: %w", err)
 	}
@@ -192,11 +183,13 @@ func (a *AuthService) VerifyIDToken(ctx context.Context, rawIDToken string) (*Us
 }
 
 // GetUserInfo retrieves user information from the OIDC provider
-func (a *AuthService) GetUserInfo(ctx context.Context, token *oauth2.Token) (*UserInfo, error) {
+func (a *Service) GetUserInfo(ctx context.Context, token *oauth2.Token) (*UserInfo, error) {
 	if a.oidcProvider == nil {
 		return nil, fmt.Errorf("OIDC not initialized")
 	}
 
+	ctx = a.oidcContext(ctx)
+
 	// Create OAuth2 token source
 	tokenSource := a.oauth2Config.TokenSource(ctx, token)
 
@@ -212,6 +205,8 @@ func (a *AuthService) GetUserInfo(ctx context.Context, token *oauth2.Token) (*Us
 		return nil, fmt.Errorf("failed to parse user info claims: %w", err)
 	}
 
+	logger.Debug().Interface("claims", claims).Msg("Extracted user info claims")
+
 	// Build user info
 	userInfo := &UserInfo{
 		Username: extractClaim(claims, a.authConfig.OIDC.UsernameAttribute),
@@ -227,15 +222,48 @@ func (a *AuthService) GetUserInfo(ctx context.Context, token *oauth2.Token) (*Us
 	return userInfo, nil
 }
 
-// IsAdmin checks if the user has admin role
-func (a *AuthService) IsAdmin(userInfo *UserInfo) bool {
-	if a.authConfig.OIDC.AdminRole == "" {
+// ExtractRolesFromAccessToken parses the access token JWT payload and extracts
+// roles using the configured role_attribute_path. Keycloak emits resource_access
+// claims only in the access token by default, so this is required to support
+// the common Keycloak client-role setup without extra mapper configuration.
+//
+// The access token was obtained via a verified code exchange with the provider,
+// so parsing its claims without re-verifying the signature is safe here.
+func (a *Service) ExtractRolesFromAccessToken(accessToken string) []string {
+	if accessToken == "" || a.authConfig.OIDC.RoleAttributePath == "" {
+		return nil
+	}
+
+	parts := strings.Split(accessToken, ".")
+	if len(parts) < 2 {
+		return nil
+	}
+
+	payload, err := base64.RawURLEncoding.DecodeString(parts[1])
+	if err != nil {
+		return nil
+	}
+
+	var claims map[string]interface{}
+	if err := json.Unmarshal(payload, &claims); err != nil {
+		return nil
+	}
+
+	return extractRoles(claims, a.authConfig.OIDC.RoleAttributePath)
+}
+
+// IsAdmin checks if the user has any of the configured admin roles.
+func (a *Service) IsAdmin(userInfo *UserInfo) bool {
+	adminRoles := a.authConfig.OIDC.EffectiveAdminRoles()
+	if len(adminRoles) == 0 {
 		return false
 	}
 
 	for _, role := range userInfo.Roles {
-		if role == a.authConfig.OIDC.AdminRole {
-			return true
+		for _, adminRole := range adminRoles {
+			if role == adminRole {
+				return true
+			}
 		}
 	}
 
@@ -316,22 +344,31 @@ func extractStringArray(value interface{}) []string {
 }
 
 // GenerateStateToken generates a secure CSRF state token
-func (a *AuthService) GenerateStateToken() (string, error) {
+func (a *Service) GenerateStateToken() (string, error) {
 	return a.jwtService.GenerateStateToken()
 }
 
 // ValidateAndConsumeState validates and consumes a CSRF state token
-func (a *AuthService) ValidateAndConsumeState(token string) bool {
+func (a *Service) ValidateAndConsumeState(token string) bool {
 	return a.jwtService.ValidateAndConsumeState(token)
 }
 
-// GenerateSessionToken generates a JWT session token for the user
-func (a *AuthService) GenerateSessionToken(userInfo *UserInfo) (string, error) {
-	return a.jwtService.GenerateToken(userInfo, a.authConfig.OIDC.SessionMaxAge)
+// GenerateSessionToken generates a JWT session token for the user.
+//
+// SessionMaxAge lives under the OIDC config block, but the JWT is shared with
+// admin-only deployments that never set it. Treat a non-positive value as
+// "not configured" and fall back to 24h so the token isn't issued already
+// expired (which would make every subsequent request fail with 401).
+func (a *Service) GenerateSessionToken(userInfo *UserInfo) (string, error) {
+	maxAge := a.authConfig.OIDC.SessionMaxAge
+	if maxAge <= 0 {
+		maxAge = 86400
+	}
+	return a.jwtService.GenerateToken(userInfo, maxAge)
 }
 
 // ValidateSessionToken validates a JWT session token and returns user info
-func (a *AuthService) ValidateSessionToken(tokenString string) (*UserInfo, error) {
+func (a *Service) ValidateSessionToken(tokenString string) (*UserInfo, error) {
 	claims, err := a.jwtService.ValidateToken(tokenString)
 	if err != nil {
 		return nil, err

backend/internal/auth/auth_more_test.go

@@ -0,0 +1,267 @@
+package auth
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+
+	"golang.org/x/oauth2"
+)
+
+// newOIDCServerWithTokenAndUserInfo extends the minimal discovery stub with
+// token and userinfo endpoints so ExchangeCode and GetUserInfo can be driven
+// end-to-end without a real IdP.
+func newOIDCServerWithTokenAndUserInfo(
+	t *testing.T,
+	tokenResp map[string]any,
+	tokenStatus int,
+	userInfoResp map[string]any,
+	userInfoStatus int,
+) *httptest.Server {
+	t.Helper()
+	mux := http.NewServeMux()
+	var srv *httptest.Server
+	mux.HandleFunc("/.well-known/openid-configuration", func(w http.ResponseWriter, r *http.Request) {
+		doc := map[string]any{
+			"issuer":                                srv.URL,
+			"authorization_endpoint":                srv.URL + "/auth",
+			"token_endpoint":                        srv.URL + "/token",
+			"jwks_uri":                              srv.URL + "/jwks",
+			"userinfo_endpoint":                     srv.URL + "/userinfo",
+			"id_token_signing_alg_values_supported": []string{"RS256"},
+			"response_types_supported":              []string{"code"},
+			"subject_types_supported":               []string{"public"},
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(doc)
+	})
+	mux.HandleFunc("/jwks", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"keys":[]}`))
+	})
+	mux.HandleFunc("/token", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(tokenStatus)
+		if tokenResp != nil {
+			_ = json.NewEncoder(w).Encode(tokenResp)
+		}
+	})
+	mux.HandleFunc("/userinfo", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(userInfoStatus)
+		if userInfoResp != nil {
+			_ = json.NewEncoder(w).Encode(userInfoResp)
+		}
+	})
+	srv = httptest.NewServer(mux)
+	t.Cleanup(srv.Close)
+	return srv
+}
+
+func TestExchangeCode_OIDCDisabledReturnsError(t *testing.T) {
+	svc := &Service{authConfig: &config.AuthConfig{}, serverConfig: &config.ServerConfig{}}
+	if _, err := svc.ExchangeCode(context.Background(), "some-code"); err == nil {
+		t.Fatal("expected error when OIDC not initialized")
+	}
+}
+
+func TestExchangeCode_TokenEndpointErrorPropagates(t *testing.T) {
+	srv := newOIDCServerWithTokenAndUserInfo(t,
+		map[string]any{"error": "invalid_grant"}, http.StatusBadRequest,
+		nil, http.StatusOK,
+	)
+	svc, err := NewAuthService(
+		&config.AuthConfig{OIDC: config.OIDCConfig{
+			Enabled:   true,
+			ClientID:  "c",
+			IssuerURL: srv.URL,
+			Scopes:    []string{"openid"},
+		}},
+		&config.ServerConfig{RootURL: "https://example.test"},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	_, err = svc.ExchangeCode(context.Background(), "bad-code")
+	if err == nil {
+		t.Fatal("expected error for 400 from token endpoint")
+	}
+	if !strings.Contains(err.Error(), "failed to exchange code") {
+		t.Errorf("error = %v, want wrap 'failed to exchange code'", err)
+	}
+}
+
+func TestVerifyIDToken_OIDCDisabledReturnsError(t *testing.T) {
+	svc := &Service{authConfig: &config.AuthConfig{}, serverConfig: &config.ServerConfig{}}
+	if _, err := svc.VerifyIDToken(context.Background(), "tok"); err == nil {
+		t.Fatal("expected error when OIDC not initialized")
+	}
+}
+
+func TestVerifyIDToken_GarbageTokenRejected(t *testing.T) {
+	// Discovery works; JWKS is empty so no signature can verify — any token
+	// is rejected. This exercises the verifier error path.
+	srv := newOIDCServerWithTokenAndUserInfo(t, nil, http.StatusOK, nil, http.StatusOK)
+	svc, err := NewAuthService(
+		&config.AuthConfig{OIDC: config.OIDCConfig{
+			Enabled:   true,
+			ClientID:  "c",
+			IssuerURL: srv.URL,
+			Scopes:    []string{"openid"},
+		}},
+		&config.ServerConfig{RootURL: "https://example.test"},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	_, err = svc.VerifyIDToken(context.Background(), "not-a-real-jwt")
+	if err == nil {
+		t.Fatal("expected verifier error for garbage token")
+	}
+}
+
+func TestGetUserInfo_OIDCDisabledReturnsError(t *testing.T) {
+	svc := &Service{authConfig: &config.AuthConfig{}, serverConfig: &config.ServerConfig{}}
+	_, err := svc.GetUserInfo(context.Background(), &oauth2.Token{AccessToken: "x"})
+	if err == nil {
+		t.Fatal("expected error when OIDC not initialized")
+	}
+}
+
+func TestGetUserInfo_ProviderErrorPropagates(t *testing.T) {
+	srv := newOIDCServerWithTokenAndUserInfo(t,
+		nil, http.StatusOK,
+		map[string]any{"error": "invalid_token"}, http.StatusUnauthorized,
+	)
+	svc, err := NewAuthService(
+		&config.AuthConfig{OIDC: config.OIDCConfig{
+			Enabled:   true,
+			ClientID:  "c",
+			IssuerURL: srv.URL,
+			Scopes:    []string{"openid"},
+		}},
+		&config.ServerConfig{RootURL: "https://example.test"},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	_, err = svc.GetUserInfo(context.Background(), &oauth2.Token{AccessToken: "bad"})
+	if err == nil {
+		t.Fatal("expected error from userinfo endpoint")
+	}
+	if !strings.Contains(err.Error(), "failed to get user info") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestGetUserInfo_HappyPath_ExtractsClaims(t *testing.T) {
+	srv := newOIDCServerWithTokenAndUserInfo(t,
+		nil, http.StatusOK,
+		map[string]any{
+			"sub":                "user-123",
+			"preferred_username": "alice",
+			"email":              "alice@example.com",
+			"name":               "Alice Example",
+			"resource_access": map[string]any{
+				"garage": map[string]any{
+					"roles": []any{"admin", "user"},
+				},
+			},
+		},
+		http.StatusOK,
+	)
+	svc, err := NewAuthService(
+		&config.AuthConfig{OIDC: config.OIDCConfig{
+			Enabled:           true,
+			ClientID:          "c",
+			IssuerURL:         srv.URL,
+			Scopes:            []string{"openid"},
+			UsernameAttribute: "preferred_username",
+			EmailAttribute:    "email",
+			NameAttribute:     "name",
+			RoleAttributePath: "resource_access.garage.roles",
+		}},
+		&config.ServerConfig{RootURL: "https://example.test"},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	info, err := svc.GetUserInfo(context.Background(), &oauth2.Token{AccessToken: "good"})
+	if err != nil {
+		t.Fatalf("GetUserInfo: %v", err)
+	}
+	if info.Username != "alice" || info.Email != "alice@example.com" || info.Name != "Alice Example" {
+		t.Errorf("got %+v, want alice/alice@example.com/Alice Example", info)
+	}
+	if len(info.Roles) != 2 || info.Roles[0] != "admin" {
+		t.Errorf("Roles = %v, want [admin user]", info.Roles)
+	}
+}
+
+func TestExtractClaim(t *testing.T) {
+	cases := []struct {
+		name   string
+		claims map[string]interface{}
+		key    string
+		want   string
+	}{
+		{"empty key returns empty", map[string]interface{}{"a": "b"}, "", ""},
+		{"missing key returns empty", map[string]interface{}{"a": "b"}, "missing", ""},
+		{"non-string value returns empty", map[string]interface{}{"n": 42}, "n", ""},
+		{"string value returned", map[string]interface{}{"email": "x@y"}, "email", "x@y"},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := extractClaim(tc.claims, tc.key); got != tc.want {
+				t.Errorf("extractClaim(%v, %q) = %q, want %q", tc.claims, tc.key, got, tc.want)
+			}
+		})
+	}
+}
+
+func TestGenerateAndValidateStateToken_Roundtrip(t *testing.T) {
+	jwtSvc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	svc := &Service{
+		authConfig:   &config.AuthConfig{},
+		serverConfig: &config.ServerConfig{},
+		jwtService:   jwtSvc,
+	}
+
+	tok, err := svc.GenerateStateToken()
+	if err != nil {
+		t.Fatalf("GenerateStateToken: %v", err)
+	}
+	if tok == "" {
+		t.Fatal("state token is empty")
+	}
+	if !svc.ValidateAndConsumeState(tok) {
+		t.Fatal("ValidateAndConsumeState rejected a freshly-issued token")
+	}
+	// Double-consume must fail (CSRF single-use).
+	if svc.ValidateAndConsumeState(tok) {
+		t.Fatal("ValidateAndConsumeState accepted a re-used token")
+	}
+}
+
+func TestValidateAndConsumeState_RejectsGarbage(t *testing.T) {
+	jwtSvc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	svc := &Service{jwtService: jwtSvc}
+	if svc.ValidateAndConsumeState("definitely-not-a-token") {
+		t.Fatal("accepted an invalid token")
+	}
+}

backend/internal/auth/auth_test.go

@@ -0,0 +1,648 @@
+package auth
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+)
+
+func TestExtractRolesFromAccessToken_Keycloak(t *testing.T) {
+	payload := map[string]interface{}{
+		"resource_access": map[string]interface{}{
+			"GarageAdminUi": map[string]interface{}{
+				"roles": []interface{}{"admin"},
+			},
+			"account": map[string]interface{}{
+				"roles": []interface{}{"view-profile"},
+			},
+		},
+	}
+	raw, err := json.Marshal(payload)
+	if err != nil {
+		t.Fatal(err)
+	}
+	token := "header." + base64.RawURLEncoding.EncodeToString(raw) + ".sig"
+
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{
+				RoleAttributePath: "resource_access.GarageAdminUi.roles",
+			},
+		},
+	}
+
+	roles := svc.ExtractRolesFromAccessToken(token)
+	if len(roles) != 1 || roles[0] != "admin" {
+		t.Fatalf("expected [admin], got %v", roles)
+	}
+}
+
+func TestExtractRolesFromAccessToken_NoRoleClaim(t *testing.T) {
+	payload := map[string]interface{}{"sub": "user"}
+	raw, _ := json.Marshal(payload)
+	token := "header." + base64.RawURLEncoding.EncodeToString(raw) + ".sig"
+
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{RoleAttributePath: "resource_access.GarageAdminUi.roles"},
+		},
+	}
+
+	if roles := svc.ExtractRolesFromAccessToken(token); roles != nil {
+		t.Fatalf("expected nil, got %v", roles)
+	}
+}
+
+func TestExtractRolesFromAccessToken_Malformed(t *testing.T) {
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{RoleAttributePath: "resource_access.GarageAdminUi.roles"},
+		},
+	}
+	if roles := svc.ExtractRolesFromAccessToken("not-a-jwt"); roles != nil {
+		t.Fatalf("expected nil for malformed token, got %v", roles)
+	}
+	if roles := svc.ExtractRolesFromAccessToken(""); roles != nil {
+		t.Fatalf("expected nil for empty token, got %v", roles)
+	}
+}
+
+// Regression for issue #16: admin-only deployments never set
+// OIDC.SessionMaxAge, leaving it at 0. Before the fix, that produced a JWT
+// whose exp == iat, so every request after /auth/login was rejected as
+// expired and the client saw UNAUTHORIZED.
+func TestGenerateSessionToken_ZeroSessionMaxAge_IsNotImmediatelyExpired(t *testing.T) {
+	jwtSvc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			Admin: config.AdminAuthConfig{Enabled: true, Username: "admin", Password: "pw"},
+			// OIDC disabled; SessionMaxAge left at zero value.
+		},
+		jwtService: jwtSvc,
+	}
+
+	token, err := svc.GenerateSessionToken(&UserInfo{Username: "admin"})
+	if err != nil {
+		t.Fatalf("GenerateSessionToken: %v", err)
+	}
+
+	if _, err := svc.ValidateSessionToken(token); err != nil {
+		t.Fatalf("freshly issued admin session token failed validation: %v", err)
+	}
+}
+
+// ---------------------------------------------------------------------------
+// Task 5: ValidateBasicAuth
+// (ParseBasicAuth was removed from production in commit d0040be; nothing to test.)
+// ---------------------------------------------------------------------------
+
+func TestValidateBasicAuth(t *testing.T) {
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			Admin: config.AdminAuthConfig{
+				Enabled:  true,
+				Username: "admin",
+				Password: "correct-horse",
+			},
+		},
+	}
+
+	tests := []struct {
+		name string
+		user string
+		pass string
+		want bool
+	}{
+		{"correct credentials", "admin", "correct-horse", true},
+		{"wrong password", "admin", "nope", false},
+		{"wrong username", "root", "correct-horse", false},
+		{"both wrong", "x", "y", false},
+		{"empty username", "", "correct-horse", false},
+		{"empty password", "admin", "", false},
+		{"both empty", "", "", false},
+		{"username prefix attack", "admi", "correct-horse", false},
+		{"password prefix attack", "admin", "correct-hors", false},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := svc.ValidateBasicAuth(tc.user, tc.pass); got != tc.want {
+				t.Errorf("ValidateBasicAuth(%q,%q) = %v, want %v", tc.user, tc.pass, got, tc.want)
+			}
+		})
+	}
+}
+
+func TestValidateBasicAuth_AdminDisabledStillComparesAgainstEmpty(t *testing.T) {
+	// When admin is disabled, the configured username/password are typically
+	// empty strings. ValidateBasicAuth itself does not gate on Enabled (that
+	// happens in middleware). Pin that behavior so a future refactor can't
+	// silently change semantics.
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			Admin: config.AdminAuthConfig{Enabled: false},
+		},
+	}
+	if !svc.ValidateBasicAuth("", "") {
+		t.Error("empty creds should match empty configured creds")
+	}
+	if svc.ValidateBasicAuth("anything", "") {
+		t.Error("non-empty user should not match empty configured user")
+	}
+}
+
+// ---------------------------------------------------------------------------
+// Task 6: OIDC initOIDC cases
+// ---------------------------------------------------------------------------
+
+// newDiscoveryServer returns an httptest.Server that serves a minimal but
+// valid OIDC discovery document and a JWKS endpoint (empty key set is fine
+// for init — we are not verifying any token here). The discovery document's
+// `issuer` field MUST equal the server's URL or oidc.NewProvider rejects it.
+func newDiscoveryServer(t *testing.T) *httptest.Server {
+	t.Helper()
+	mux := http.NewServeMux()
+	var srv *httptest.Server
+	mux.HandleFunc("/.well-known/openid-configuration", func(w http.ResponseWriter, r *http.Request) {
+		doc := map[string]any{
+			"issuer":                                srv.URL,
+			"authorization_endpoint":                srv.URL + "/auth",
+			"token_endpoint":                        srv.URL + "/token",
+			"jwks_uri":                              srv.URL + "/jwks",
+			"userinfo_endpoint":                     srv.URL + "/userinfo",
+			"id_token_signing_alg_values_supported": []string{"RS256", "EdDSA"},
+			"response_types_supported":              []string{"code"},
+			"subject_types_supported":               []string{"public"},
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(doc)
+	})
+	mux.HandleFunc("/jwks", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"keys":[]}`))
+	})
+	srv = httptest.NewServer(mux)
+	t.Cleanup(srv.Close)
+	return srv
+}
+
+func TestNewAuthService_OIDCDisabled_DoesNotInitProvider(t *testing.T) {
+	svc, err := NewAuthService(
+		&config.AuthConfig{
+			Admin: config.AdminAuthConfig{Enabled: true, Username: "u", Password: "p"},
+			OIDC:  config.OIDCConfig{Enabled: false},
+		},
+		&config.ServerConfig{},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+	if svc.oidcProvider != nil {
+		t.Error("oidcProvider should be nil when OIDC disabled")
+	}
+	if svc.oidcVerifier != nil {
+		t.Error("oidcVerifier should be nil when OIDC disabled")
+	}
+	if svc.oauth2Config != nil {
+		t.Error("oauth2Config should be nil when OIDC disabled")
+	}
+	if svc.jwtService == nil {
+		t.Error("jwtService must always be initialized")
+	}
+}
+
+func TestNewAuthService_OIDCEnabled_DiscoversProvider(t *testing.T) {
+	disco := newDiscoveryServer(t)
+
+	authCfg := &config.AuthConfig{
+		OIDC: config.OIDCConfig{
+			Enabled:   true,
+			ClientID:  "test-client",
+			IssuerURL: disco.URL,
+			Scopes:    []string{"openid", "profile"},
+			AdminRole: "admin",
+		},
+	}
+	srvCfg := &config.ServerConfig{
+		RootURL: "https://garage-ui.example",
+	}
+
+	svc, err := NewAuthService(authCfg, srvCfg)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+	if svc.oidcProvider == nil {
+		t.Fatal("oidcProvider not initialized")
+	}
+	if svc.oidcVerifier == nil {
+		t.Fatal("oidcVerifier not initialized")
+	}
+	if svc.oauth2Config == nil {
+		t.Fatal("oauth2Config not initialized")
+	}
+	if svc.oauth2Config.ClientID != "test-client" {
+		t.Errorf("ClientID = %q, want test-client", svc.oauth2Config.ClientID)
+	}
+	wantRedirect := "https://garage-ui.example/auth/oidc/callback"
+	if svc.oauth2Config.RedirectURL != wantRedirect {
+		t.Errorf("RedirectURL = %q, want %q", svc.oauth2Config.RedirectURL, wantRedirect)
+	}
+	if len(svc.oauth2Config.Scopes) != 2 {
+		t.Errorf("Scopes length = %d, want 2", len(svc.oauth2Config.Scopes))
+	}
+	// Endpoint should be wired from the discovery doc.
+	if svc.oauth2Config.Endpoint.AuthURL != disco.URL+"/auth" {
+		t.Errorf("Endpoint.AuthURL = %q", svc.oauth2Config.Endpoint.AuthURL)
+	}
+	if svc.oauth2Config.Endpoint.TokenURL != disco.URL+"/token" {
+		t.Errorf("Endpoint.TokenURL = %q", svc.oauth2Config.Endpoint.TokenURL)
+	}
+}
+
+// newTLSDiscoveryServer is the same as newDiscoveryServer but serves the OIDC
+// discovery document over HTTPS using httptest's self-signed certificate. The
+// cert is not signed by any system-trusted CA, so any HTTP client without
+// InsecureSkipVerify (or the cert pinned) will fail to connect.
+func newTLSDiscoveryServer(t *testing.T) *httptest.Server {
+	t.Helper()
+	mux := http.NewServeMux()
+	var srv *httptest.Server
+	mux.HandleFunc("/.well-known/openid-configuration", func(w http.ResponseWriter, r *http.Request) {
+		doc := map[string]any{
+			"issuer":                                srv.URL,
+			"authorization_endpoint":                srv.URL + "/auth",
+			"token_endpoint":                        srv.URL + "/token",
+			"jwks_uri":                              srv.URL + "/jwks",
+			"userinfo_endpoint":                     srv.URL + "/userinfo",
+			"id_token_signing_alg_values_supported": []string{"RS256", "EdDSA"},
+			"response_types_supported":              []string{"code"},
+			"subject_types_supported":               []string{"public"},
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(doc)
+	})
+	mux.HandleFunc("/jwks", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"keys":[]}`))
+	})
+	srv = httptest.NewTLSServer(mux)
+	t.Cleanup(srv.Close)
+	return srv
+}
+
+func TestNewAuthService_OIDCEnabled_SelfSignedIssuer_FailsWithoutTLSSkipVerify(t *testing.T) {
+	disco := newTLSDiscoveryServer(t)
+
+	authCfg := &config.AuthConfig{
+		OIDC: config.OIDCConfig{
+			Enabled:       true,
+			ClientID:      "test-client",
+			IssuerURL:     disco.URL,
+			Scopes:        []string{"openid"},
+			TLSSkipVerify: false,
+		},
+	}
+	srvCfg := &config.ServerConfig{RootURL: "https://garage-ui.example"}
+
+	_, err := NewAuthService(authCfg, srvCfg)
+	if err == nil {
+		t.Fatal("expected TLS verification error from self-signed issuer, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to initialize OIDC") {
+		t.Errorf("expected wrapping error, got %v", err)
+	}
+}
+
+func TestNewAuthService_OIDCEnabled_SelfSignedIssuer_SucceedsWithTLSSkipVerify(t *testing.T) {
+	disco := newTLSDiscoveryServer(t)
+
+	authCfg := &config.AuthConfig{
+		OIDC: config.OIDCConfig{
+			Enabled:       true,
+			ClientID:      "test-client",
+			IssuerURL:     disco.URL,
+			Scopes:        []string{"openid"},
+			TLSSkipVerify: true,
+		},
+	}
+	srvCfg := &config.ServerConfig{RootURL: "https://garage-ui.example"}
+
+	svc, err := NewAuthService(authCfg, srvCfg)
+	if err != nil {
+		t.Fatalf("NewAuthService with tls_skip_verify=true should succeed: %v", err)
+	}
+	if svc.oidcProvider == nil {
+		t.Fatal("oidcProvider not initialized")
+	}
+	if svc.oidcClient == nil {
+		t.Fatal("oidcClient should be set when tls_skip_verify=true")
+	}
+}
+
+func TestNewAuthService_OIDCEnabled_BadIssuerURLReturnsError(t *testing.T) {
+	authCfg := &config.AuthConfig{
+		OIDC: config.OIDCConfig{
+			Enabled:   true,
+			ClientID:  "test-client",
+			IssuerURL: "http://127.0.0.1:1", // refused — nothing listens on port 1
+			Scopes:    []string{"openid"},
+			AdminRole: "admin",
+		},
+	}
+	srvCfg := &config.ServerConfig{RootURL: "https://garage-ui.example"}
+
+	_, err := NewAuthService(authCfg, srvCfg)
+	if err == nil {
+		t.Fatal("expected error for unreachable issuer, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to initialize OIDC") {
+		t.Errorf("expected wrapping error, got %v", err)
+	}
+}
+
+func TestGetAuthorizationURL_OIDCDisabledReturnsError(t *testing.T) {
+	svc := &Service{authConfig: &config.AuthConfig{}, serverConfig: &config.ServerConfig{}}
+	if _, err := svc.GetAuthorizationURL("state-x"); err == nil {
+		t.Error("expected error when OIDC not initialized")
+	}
+}
+
+func TestGetAuthorizationURL_OIDCEnabledIncludesState(t *testing.T) {
+	disco := newDiscoveryServer(t)
+	svc, err := NewAuthService(
+		&config.AuthConfig{
+			OIDC: config.OIDCConfig{
+				Enabled:   true,
+				ClientID:  "test-client",
+				IssuerURL: disco.URL,
+				Scopes:    []string{"openid"},
+				AdminRole: "admin",
+			},
+		},
+		&config.ServerConfig{RootURL: "https://garage-ui.example"},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	url, err := svc.GetAuthorizationURL("my-state-token")
+	if err != nil {
+		t.Fatalf("GetAuthorizationURL: %v", err)
+	}
+	if !strings.Contains(url, "state=my-state-token") {
+		t.Errorf("URL missing state param: %s", url)
+	}
+	if !strings.Contains(url, "client_id=test-client") {
+		t.Errorf("URL missing client_id: %s", url)
+	}
+	if !strings.Contains(url, "redirect_uri=") {
+		t.Errorf("URL missing redirect_uri: %s", url)
+	}
+}
+
+// ---------------------------------------------------------------------------
+// Task 7: ValidateSessionToken and expanded ExtractRolesFromAccessToken
+// ---------------------------------------------------------------------------
+
+// newServiceWithJWT wires a Service with a real JWTService so the session
+// helpers can be exercised end-to-end. OIDC is left disabled.
+func newServiceWithJWT(t *testing.T) *Service {
+	t.Helper()
+	jwtSvc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	return &Service{
+		authConfig:   &config.AuthConfig{},
+		serverConfig: &config.ServerConfig{},
+		jwtService:   jwtSvc,
+	}
+}
+
+func TestValidateSessionToken_HappyPath(t *testing.T) {
+	svc := newServiceWithJWT(t)
+	user := &UserInfo{
+		Username: "alice",
+		Email:    "alice@example.com",
+		Name:     "Alice",
+		Roles:    []string{"admin"},
+	}
+	tok, err := svc.GenerateSessionToken(user)
+	if err != nil {
+		t.Fatalf("GenerateSessionToken: %v", err)
+	}
+	got, err := svc.ValidateSessionToken(tok)
+	if err != nil {
+		t.Fatalf("ValidateSessionToken: %v", err)
+	}
+	if got.Username != user.Username || got.Email != user.Email || got.Name != user.Name {
+		t.Errorf("got %+v, want %+v", got, user)
+	}
+	if len(got.Roles) != 1 || got.Roles[0] != "admin" {
+		t.Errorf("Roles = %v, want [admin]", got.Roles)
+	}
+}
+
+func TestValidateSessionToken_Expired(t *testing.T) {
+	svc := newServiceWithJWT(t)
+	// Bypass GenerateSessionToken's "fall back to 24h on non-positive" guard
+	// by going straight through the JWT service with a negative TTL.
+	tok, err := svc.jwtService.GenerateToken(&UserInfo{Username: "a"}, -1)
+	if err != nil {
+		t.Fatalf("GenerateToken: %v", err)
+	}
+	if _, err := svc.ValidateSessionToken(tok); err == nil {
+		t.Error("expected expired-token error, got nil")
+	}
+}
+
+func TestValidateSessionToken_BadSignatureRejected(t *testing.T) {
+	signer := newServiceWithJWT(t)
+	verifier := newServiceWithJWT(t)
+	tok, err := signer.GenerateSessionToken(&UserInfo{Username: "a"})
+	if err != nil {
+		t.Fatalf("GenerateSessionToken: %v", err)
+	}
+	if _, err := verifier.ValidateSessionToken(tok); err == nil {
+		t.Error("expected signature-mismatch error, got nil")
+	}
+}
+
+func TestValidateSessionToken_EmptyTokenRejected(t *testing.T) {
+	svc := newServiceWithJWT(t)
+	if _, err := svc.ValidateSessionToken(""); err == nil {
+		t.Error("expected error for empty token, got nil")
+	}
+}
+
+// makeAccessToken builds a JWT-shaped string with arbitrary claims. The
+// signature segment is junk because ExtractRolesFromAccessToken does NOT
+// verify the signature (per the doc-comment: "obtained via a verified code
+// exchange, so parsing without re-verifying is safe").
+func makeAccessToken(t *testing.T, claims map[string]any) string {
+	t.Helper()
+	raw, err := json.Marshal(claims)
+	if err != nil {
+		t.Fatalf("marshal: %v", err)
+	}
+	return "header." + base64.RawURLEncoding.EncodeToString(raw) + ".sig"
+}
+
+func TestExtractRolesFromAccessToken_DeeplyNestedPath(t *testing.T) {
+	tok := makeAccessToken(t, map[string]any{
+		"a": map[string]any{
+			"b": map[string]any{
+				"c": map[string]any{
+					"roles": []any{"r1", "r2", "r3"},
+				},
+			},
+		},
+	})
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{RoleAttributePath: "a.b.c.roles"},
+		},
+	}
+	got := svc.ExtractRolesFromAccessToken(tok)
+	if len(got) != 3 || got[0] != "r1" || got[2] != "r3" {
+		t.Errorf("got %v, want [r1 r2 r3]", got)
+	}
+}
+
+func TestExtractRolesFromAccessToken_MixedTypeArrayDropsNonStrings(t *testing.T) {
+	tok := makeAccessToken(t, map[string]any{
+		"roles": []any{"admin", 42, "viewer", true, nil, "writer"},
+	})
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{RoleAttributePath: "roles"},
+		},
+	}
+	got := svc.ExtractRolesFromAccessToken(tok)
+	want := []string{"admin", "viewer", "writer"}
+	if len(got) != len(want) {
+		t.Fatalf("got %v, want %v", got, want)
+	}
+	for i := range want {
+		if got[i] != want[i] {
+			t.Errorf("got[%d] = %q, want %q", i, got[i], want[i])
+		}
+	}
+}
+
+func TestExtractRolesFromAccessToken_EmptyPathReturnsNil(t *testing.T) {
+	tok := makeAccessToken(t, map[string]any{"roles": []any{"admin"}})
+	svc := &Service{
+		authConfig: &config.AuthConfig{OIDC: config.OIDCConfig{RoleAttributePath: ""}},
+	}
+	if got := svc.ExtractRolesFromAccessToken(tok); got != nil {
+		t.Errorf("expected nil for empty path, got %v", got)
+	}
+}
+
+func TestExtractRolesFromAccessToken_IntermediateNodeNotMap(t *testing.T) {
+	// Path tries to descend through a string — extractRoles must bail with nil.
+	tok := makeAccessToken(t, map[string]any{
+		"resource_access": "this-should-be-a-map",
+	})
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{RoleAttributePath: "resource_access.client.roles"},
+		},
+	}
+	if got := svc.ExtractRolesFromAccessToken(tok); got != nil {
+		t.Errorf("expected nil when path traverses non-map, got %v", got)
+	}
+}
+
+func TestExtractRolesFromAccessToken_FinalValueWrongType(t *testing.T) {
+	// Final value is a plain string, not an array — extractStringArray returns nil.
+	tok := makeAccessToken(t, map[string]any{
+		"roles": "admin",
+	})
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{RoleAttributePath: "roles"},
+		},
+	}
+	if got := svc.ExtractRolesFromAccessToken(tok); got != nil {
+		t.Errorf("expected nil for non-array roles, got %v", got)
+	}
+}
+
+func TestExtractRolesFromAccessToken_BadBase64InPayload(t *testing.T) {
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{RoleAttributePath: "roles"},
+		},
+	}
+	if got := svc.ExtractRolesFromAccessToken("hdr.!!!not-base64!!!.sig"); got != nil {
+		t.Errorf("expected nil for bad base64, got %v", got)
+	}
+}
+
+func TestExtractRolesFromAccessToken_BadJSONInPayload(t *testing.T) {
+	svc := &Service{
+		authConfig: &config.AuthConfig{
+			OIDC: config.OIDCConfig{RoleAttributePath: "roles"},
+		},
+	}
+	// Valid base64 of "not json"
+	tok := "hdr." + base64.RawURLEncoding.EncodeToString([]byte("not json")) + ".sig"
+	if got := svc.ExtractRolesFromAccessToken(tok); got != nil {
+		t.Errorf("expected nil for non-JSON payload, got %v", got)
+	}
+}
+
+// ---------------------------------------------------------------------------
+// Task 8: IsAdmin coverage
+// ---------------------------------------------------------------------------
+
+func TestIsAdmin(t *testing.T) {
+	tests := []struct {
+		name       string
+		adminRole  string
+		adminRoles []string
+		userRoles  []string
+		want       bool
+	}{
+		{"empty admin role config returns false", "", nil, []string{"admin"}, false},
+		{"user has admin role", "admin", nil, []string{"viewer", "admin"}, true},
+		{"user lacks admin role", "admin", nil, []string{"viewer"}, false},
+		{"user has no roles", "admin", nil, nil, false},
+		{"role match is exact (case-sensitive)", "admin", nil, []string{"Admin"}, false},
+
+		// admin_roles list
+		{"user matches first entry in admin_roles", "", []string{"group1", "group2"}, []string{"group1"}, true},
+		{"user matches second entry in admin_roles", "", []string{"group1", "group2"}, []string{"group2"}, true},
+		{"user matches none of admin_roles", "", []string{"group1", "group2"}, []string{"group3"}, false},
+		{"empty admin_roles list returns false", "", []string{}, []string{"group1"}, false},
+
+		// admin_role + admin_roles merge
+		{"matches single admin_role when admin_roles set too", "admin", []string{"ops"}, []string{"admin"}, true},
+		{"matches admin_roles entry when admin_role set too", "admin", []string{"ops"}, []string{"ops"}, true},
+		{"matches neither admin_role nor admin_roles", "admin", []string{"ops"}, []string{"viewer"}, false},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			svc := &Service{
+				authConfig: &config.AuthConfig{
+					OIDC: config.OIDCConfig{AdminRole: tc.adminRole, AdminRoles: tc.adminRoles},
+				},
+			}
+			if got := svc.IsAdmin(&UserInfo{Roles: tc.userRoles}); got != tc.want {
+				t.Errorf("IsAdmin = %v, want %v", got, tc.want)
+			}
+		})
+	}
+}

backend/internal/auth/jwt_test.go

@@ -0,0 +1,469 @@
+package auth
+
+import (
+	"crypto/ed25519"
+	"crypto/rand"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/pem"
+	"errors"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+// generatePKCS8PEM produces a PEM-encoded PKCS#8 Ed25519 private key.
+// This is the format `openssl genpkey -algorithm ED25519` emits and the
+// format the production code documents in jwt_private_key.
+func generatePKCS8PEM(t *testing.T) (string, ed25519.PrivateKey) {
+	t.Helper()
+	_, priv, err := ed25519.GenerateKey(rand.Reader)
+	if err != nil {
+		t.Fatalf("ed25519.GenerateKey: %v", err)
+	}
+	der, err := x509.MarshalPKCS8PrivateKey(priv)
+	if err != nil {
+		t.Fatalf("MarshalPKCS8PrivateKey: %v", err)
+	}
+	pemBytes := pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: der})
+	return string(pemBytes), priv
+}
+
+// generateRawPEM wraps a raw 64-byte Ed25519 key in a PEM block. The
+// production code accepts this as a fallback when PKCS#8 parsing fails.
+func generateRawPEM(t *testing.T) (string, ed25519.PrivateKey) {
+	t.Helper()
+	_, priv, err := ed25519.GenerateKey(rand.Reader)
+	if err != nil {
+		t.Fatalf("ed25519.GenerateKey: %v", err)
+	}
+	pemBytes := pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: priv})
+	return string(pemBytes), priv
+}
+
+func TestParseEd25519PrivateKeyFromPEM_PKCS8(t *testing.T) {
+	pemStr, want := generatePKCS8PEM(t)
+	got, err := parseEd25519PrivateKeyFromPEM(pemStr)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !got.Equal(want) {
+		t.Errorf("parsed key does not equal generated key")
+	}
+}
+
+func TestParseEd25519PrivateKeyFromPEM_RawBytes(t *testing.T) {
+	pemStr, want := generateRawPEM(t)
+	got, err := parseEd25519PrivateKeyFromPEM(pemStr)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if !got.Equal(want) {
+		t.Errorf("parsed raw key does not equal generated key")
+	}
+}
+
+func TestParseEd25519PrivateKeyFromPEM_NotPEM(t *testing.T) {
+	_, err := parseEd25519PrivateKeyFromPEM("this is not a pem block")
+	if err == nil {
+		t.Fatal("expected error for non-PEM input, got nil")
+	}
+	if !strings.Contains(err.Error(), "decode PEM block") {
+		t.Errorf("unexpected error: %v", err)
+	}
+}
+
+func TestParseEd25519PrivateKeyFromPEM_PKCS8WrongKeyType(t *testing.T) {
+	// Generate a non-Ed25519 PKCS#8 key (RSA would require crypto/rsa; instead
+	// we craft a PKCS#8 wrapping for an ECDSA key via x509). The simplest
+	// portable way is to use a known-bad DER blob: a PKCS#8 wrapping of an
+	// ed25519 PUBLIC key, which ParsePKCS8PrivateKey will reject as not a
+	// private key. To keep the test deterministic and dependency-free, we
+	// instead build a PEM of length-mismatched bytes that's neither PKCS#8
+	// nor 64 raw bytes.
+	pemBytes := pem.EncodeToMemory(&pem.Block{
+		Type:  "PRIVATE KEY",
+		Bytes: []byte("definitely not a valid pkcs8 or raw ed25519 key"),
+	})
+	_, err := parseEd25519PrivateKeyFromPEM(string(pemBytes))
+	if err == nil {
+		t.Fatal("expected error for invalid key bytes, got nil")
+	}
+	if !strings.Contains(err.Error(), "invalid Ed25519 private key format") {
+		t.Errorf("unexpected error: %v", err)
+	}
+}
+
+func TestNewJWTService_AutoGeneratesKeyPair(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	if svc.privateKey == nil {
+		t.Error("privateKey is nil after auto-generate")
+	}
+	if svc.publicKey == nil {
+		t.Error("publicKey is nil after auto-generate")
+	}
+	if len(svc.privateKey) != ed25519.PrivateKeySize {
+		t.Errorf("privateKey size = %d, want %d", len(svc.privateKey), ed25519.PrivateKeySize)
+	}
+	if len(svc.publicKey) != ed25519.PublicKeySize {
+		t.Errorf("publicKey size = %d, want %d", len(svc.publicKey), ed25519.PublicKeySize)
+	}
+	if svc.stateStore == nil || svc.stateStore.states == nil {
+		t.Error("stateStore not initialized")
+	}
+}
+
+func TestNewJWTServiceWithKey_EmptyStringAutoGenerates(t *testing.T) {
+	svc, err := NewJWTServiceWithKey("")
+	if err != nil {
+		t.Fatalf("NewJWTServiceWithKey(\"\"): %v", err)
+	}
+	if svc.privateKey == nil || svc.publicKey == nil {
+		t.Error("expected auto-generated keys for empty PEM input")
+	}
+}
+
+func TestNewJWTServiceWithKey_PKCS8(t *testing.T) {
+	pemStr, want := generatePKCS8PEM(t)
+	svc, err := NewJWTServiceWithKey(pemStr)
+	if err != nil {
+		t.Fatalf("NewJWTServiceWithKey: %v", err)
+	}
+	if !svc.privateKey.Equal(want) {
+		t.Error("loaded privateKey does not match input")
+	}
+	// Public key must match the public part of the loaded private key.
+	wantPub := want.Public().(ed25519.PublicKey)
+	if !svc.publicKey.Equal(wantPub) {
+		t.Error("derived publicKey does not match")
+	}
+}
+
+func TestNewJWTServiceWithKey_BadPEMReturnsWrappedError(t *testing.T) {
+	_, err := NewJWTServiceWithKey("garbage")
+	if err == nil {
+		t.Fatal("expected error for bad PEM, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to parse Ed25519 private key") {
+		t.Errorf("expected wrapping error, got %v", err)
+	}
+}
+
+func newTestUserInfo() *UserInfo {
+	return &UserInfo{
+		Username: "alice",
+		Email:    "alice@example.com",
+		Name:     "Alice Example",
+		Roles:    []string{"admin", "viewer"},
+	}
+}
+
+func TestGenerateAndValidateToken_RoundTrip(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+
+	user := newTestUserInfo()
+	tok, err := svc.GenerateToken(user, 60)
+	if err != nil {
+		t.Fatalf("GenerateToken: %v", err)
+	}
+	if tok == "" {
+		t.Fatal("GenerateToken returned empty string")
+	}
+
+	claims, err := svc.ValidateToken(tok)
+	if err != nil {
+		t.Fatalf("ValidateToken: %v", err)
+	}
+	if claims.Username != user.Username {
+		t.Errorf("Username = %q, want %q", claims.Username, user.Username)
+	}
+	if claims.Email != user.Email {
+		t.Errorf("Email = %q, want %q", claims.Email, user.Email)
+	}
+	if claims.Name != user.Name {
+		t.Errorf("Name = %q, want %q", claims.Name, user.Name)
+	}
+	if len(claims.Roles) != 2 || claims.Roles[0] != "admin" || claims.Roles[1] != "viewer" {
+		t.Errorf("Roles = %v, want [admin viewer]", claims.Roles)
+	}
+	// ExpiresAt should be ~60s in the future.
+	if claims.ExpiresAt == nil {
+		t.Fatal("ExpiresAt nil")
+	}
+	if d := time.Until(claims.ExpiresAt.Time); d <= 0 || d > 61*time.Second {
+		t.Errorf("ExpiresAt delta = %v, want (0,61s]", d)
+	}
+}
+
+func TestValidateToken_Expired(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	// sessionMaxAge = -1s → token is born expired.
+	tok, err := svc.GenerateToken(newTestUserInfo(), -1)
+	if err != nil {
+		t.Fatalf("GenerateToken: %v", err)
+	}
+	_, err = svc.ValidateToken(tok)
+	if err == nil {
+		t.Fatal("expected expired-token error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to parse token") {
+		t.Errorf("unexpected error: %v", err)
+	}
+	// jwt/v5 surfaces ErrTokenExpired wrapped in the parse error.
+	if !errors.Is(err, jwt.ErrTokenExpired) {
+		t.Errorf("expected wrapped jwt.ErrTokenExpired, got %v", err)
+	}
+}
+
+func TestValidateToken_SignedByDifferentKey(t *testing.T) {
+	signer, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("signer: %v", err)
+	}
+	verifier, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("verifier: %v", err)
+	}
+	tok, err := signer.GenerateToken(newTestUserInfo(), 60)
+	if err != nil {
+		t.Fatalf("GenerateToken: %v", err)
+	}
+	if _, err := verifier.ValidateToken(tok); err == nil {
+		t.Fatal("expected signature-mismatch error, got nil")
+	}
+}
+
+func TestValidateToken_Malformed(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	cases := []string{
+		"",
+		"not.a.jwt",
+		"only-one-segment",
+		"two.segments",
+		"aaaa.bbbb.cccc", // valid shape, invalid base64/JSON
+	}
+	for _, c := range cases {
+		t.Run(c, func(t *testing.T) {
+			if _, err := svc.ValidateToken(c); err == nil {
+				t.Errorf("expected error for %q, got nil", c)
+			}
+		})
+	}
+}
+
+func TestValidateToken_WrongSigningMethod(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	// Forge an HS256 token with the same claim shape; ValidateToken's
+	// keyfunc must reject the alg before signature verification.
+	claims := SessionClaims{
+		Username: "mallory",
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour)),
+		},
+	}
+	tok := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	signed, err := tok.SignedString([]byte("a-shared-secret"))
+	if err != nil {
+		t.Fatalf("sign HS256: %v", err)
+	}
+	_, err = svc.ValidateToken(signed)
+	if err == nil {
+		t.Fatal("expected error for non-EdDSA token, got nil")
+	}
+	if !strings.Contains(err.Error(), "unexpected signing method") {
+		t.Errorf("expected signing-method error, got %v", err)
+	}
+}
+
+func TestGenerateToken_NilPrivateKeyReturnsError(t *testing.T) {
+	// Construct a service with a nil key directly. This guards the explicit
+	// nil-check at the top of GenerateToken.
+	svc := &JWTService{}
+	_, err := svc.GenerateToken(newTestUserInfo(), 60)
+	if err == nil {
+		t.Fatal("expected error for nil private key, got nil")
+	}
+	if !strings.Contains(err.Error(), "private key not initialized") {
+		t.Errorf("unexpected error: %v", err)
+	}
+}
+
+func TestValidateToken_NilPublicKeyReturnsError(t *testing.T) {
+	svc := &JWTService{}
+	_, err := svc.ValidateToken("anything")
+	if err == nil {
+		t.Fatal("expected error for nil public key, got nil")
+	}
+	if !strings.Contains(err.Error(), "public key not initialized") {
+		t.Errorf("unexpected error: %v", err)
+	}
+}
+
+func TestGenerateStateToken_ProducesUniqueValues(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	a, err := svc.GenerateStateToken()
+	if err != nil {
+		t.Fatalf("GenerateStateToken: %v", err)
+	}
+	b, err := svc.GenerateStateToken()
+	if err != nil {
+		t.Fatalf("GenerateStateToken: %v", err)
+	}
+	if a == "" || b == "" {
+		t.Fatal("state token is empty")
+	}
+	if a == b {
+		t.Errorf("state tokens collided: %q", a)
+	}
+}
+
+func TestValidateAndConsumeState_HappyPath(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	tok, err := svc.GenerateStateToken()
+	if err != nil {
+		t.Fatalf("GenerateStateToken: %v", err)
+	}
+	if !svc.ValidateAndConsumeState(tok) {
+		t.Error("first consume should succeed")
+	}
+}
+
+func TestValidateAndConsumeState_IsSingleUse(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	tok, err := svc.GenerateStateToken()
+	if err != nil {
+		t.Fatalf("GenerateStateToken: %v", err)
+	}
+	_ = svc.ValidateAndConsumeState(tok)
+	if svc.ValidateAndConsumeState(tok) {
+		t.Error("second consume should fail")
+	}
+}
+
+func TestValidateAndConsumeState_UnknownTokenRejected(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	if svc.ValidateAndConsumeState("never-issued") {
+		t.Error("unknown token must not validate")
+	}
+}
+
+func TestValidateAndConsumeState_ExpiredTokenRejected(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	// Inject an expired entry directly to avoid a real 10-minute wait.
+	svc.stateStore.states["expired"] = StateData{
+		Created:   time.Now().Add(-20 * time.Minute),
+		ExpiresAt: time.Now().Add(-10 * time.Minute),
+	}
+	if svc.ValidateAndConsumeState("expired") {
+		t.Error("expired token must not validate")
+	}
+	// And it should be deleted as a side effect of the rejection.
+	if _, exists := svc.stateStore.states["expired"]; exists {
+		t.Error("expired token should be removed from the store")
+	}
+}
+
+func TestGetPublicKeyPEM_ParsesBackToOriginalKey(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	pemStr, err := svc.GetPublicKeyPEM()
+	if err != nil {
+		t.Fatalf("GetPublicKeyPEM: %v", err)
+	}
+	block, _ := pem.Decode([]byte(pemStr))
+	if block == nil {
+		t.Fatalf("returned PEM did not decode: %q", pemStr)
+	}
+	if block.Type != "PUBLIC KEY" {
+		t.Errorf("PEM type = %q, want PUBLIC KEY", block.Type)
+	}
+	// The implementation writes the raw 32-byte public key as the block body.
+	if len(block.Bytes) != ed25519.PublicKeySize {
+		t.Errorf("body length = %d, want %d", len(block.Bytes), ed25519.PublicKeySize)
+	}
+	if !ed25519.PublicKey(block.Bytes).Equal(svc.publicKey) {
+		t.Error("decoded public key does not match service key")
+	}
+}
+
+func TestGetPublicKeyBase64_RoundTripsToOriginalKey(t *testing.T) {
+	svc, err := NewJWTService()
+	if err != nil {
+		t.Fatalf("NewJWTService: %v", err)
+	}
+	b64, err := svc.GetPublicKeyBase64()
+	if err != nil {
+		t.Fatalf("GetPublicKeyBase64: %v", err)
+	}
+	if b64 == "" {
+		t.Fatal("empty base64 output")
+	}
+	// base64.RawURLEncoding (no padding) is what the production code uses.
+	// Decode and compare.
+	// Use the std encoding through helper to keep the import list small.
+	got, err := decodeRawURL(b64)
+	if err != nil {
+		t.Fatalf("base64 decode: %v", err)
+	}
+	if !ed25519.PublicKey(got).Equal(svc.publicKey) {
+		t.Error("base64-decoded key does not match service key")
+	}
+}
+
+func TestGetPublicKeyPEM_NilKeyReturnsError(t *testing.T) {
+	svc := &JWTService{}
+	if _, err := svc.GetPublicKeyPEM(); err == nil {
+		t.Error("expected error for nil public key")
+	}
+}
+
+func TestGetPublicKeyBase64_NilKeyReturnsError(t *testing.T) {
+	svc := &JWTService{}
+	if _, err := svc.GetPublicKeyBase64(); err == nil {
+		t.Error("expected error for nil public key")
+	}
+}
+
+// decodeRawURL is a tiny shim around encoding/base64's RawURLEncoding decoder
+// so the test body stays focused on assertions, not encoding plumbing.
+func decodeRawURL(s string) ([]byte, error) {
+	return base64RawURLDecode(s)
+}
+
+func base64RawURLDecode(s string) ([]byte, error) {
+	return base64.RawURLEncoding.DecodeString(s)
+}

backend/internal/auth/token_test.go

@@ -0,0 +1,29 @@
+package auth
+
+import (
+	"crypto/subtle"
+	"testing"
+)
+
+func TestValidateAdminToken(t *testing.T) {
+	tests := []struct {
+		name       string
+		configured string
+		provided   string
+		want       bool
+	}{
+		{"correct token", "my-secret-token", "my-secret-token", true},
+		{"wrong token", "my-secret-token", "wrong-token", false},
+		{"empty provided", "my-secret-token", "", false},
+		{"empty configured", "", "any-token", false},
+		{"both empty", "", "", true},
+	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			got := subtle.ConstantTimeCompare([]byte(tc.configured), []byte(tc.provided)) == 1
+			if got != tc.want {
+				t.Errorf("ValidateAdminToken(%q, %q) = %v, want %v", tc.configured, tc.provided, got, tc.want)
+			}
+		})
+	}
+}

backend/internal/config/config.go

@@ -2,10 +2,14 @@ package config
 
 import (
 	"fmt"
+	"net"
 	"os"
+	"strconv"
 	"strings"
 
 	"github.com/spf13/viper"
+
+	"Noooste/garage-ui/pkg/logger"
 )
 
 // Config represents the application configuration
@@ -46,6 +50,7 @@ type GarageConfig struct {
 type AuthConfig struct {
 	Admin      AdminAuthConfig `mapstructure:"admin"`
 	OIDC       OIDCConfig      `mapstructure:"oidc"`
+	Token      TokenAuthConfig `mapstructure:"token"`
 	JWTPrivKey string          `mapstructure:"jwt_private_key"` // Ed25519 private key in PEM format for JWT signing (64 bytes)
 }
 
@@ -56,6 +61,12 @@ type AdminAuthConfig struct {
 	Password string `mapstructure:"password"`
 }
 
+// TokenAuthConfig contains admin token authentication settings.
+// When enabled, users can log in using the Garage admin token.
+type TokenAuthConfig struct {
+	Enabled bool `mapstructure:"enabled"`
+}
+
 // OIDCConfig contains OIDC authentication settings
 type OIDCConfig struct {
 	Enabled           bool     `mapstructure:"enabled"`
@@ -64,9 +75,6 @@ type OIDCConfig struct {
 	ClientSecret      string   `mapstructure:"client_secret"`
 	Scopes            []string `mapstructure:"scopes"`
 	IssuerURL         string   `mapstructure:"issuer_url"`
-	AuthURL           string   `mapstructure:"auth_url"`
-	TokenURL          string   `mapstructure:"token_url"`
-	UserinfoURL       string   `mapstructure:"userinfo_url"`
 	SkipIssuerCheck   bool     `mapstructure:"skip_issuer_check"`
 	SkipExpiryCheck   bool     `mapstructure:"skip_expiry_check"`
 	EmailAttribute    string   `mapstructure:"email_attribute"`
@@ -74,6 +82,7 @@ type OIDCConfig struct {
 	NameAttribute     string   `mapstructure:"name_attribute"`
 	RoleAttributePath string   `mapstructure:"role_attribute_path"`
 	AdminRole         string   `mapstructure:"admin_role"`
+	AdminRoles        []string `mapstructure:"admin_roles"`
 	TLSSkipVerify     bool     `mapstructure:"tls_skip_verify"`
 	SessionMaxAge     int      `mapstructure:"session_max_age"`
 	CookieName        string   `mapstructure:"cookie_name"`
@@ -82,6 +91,29 @@ type OIDCConfig struct {
 	CookieSameSite    string   `mapstructure:"cookie_same_site"`
 }
 
+// EffectiveAdminRoles returns the deduplicated list of admin roles drawn from
+// both admin_role (legacy single-value) and admin_roles (list). A user is
+// considered an admin if any of their roles matches any entry in this list.
+func (o OIDCConfig) EffectiveAdminRoles() []string {
+	seen := make(map[string]struct{}, len(o.AdminRoles)+1)
+	var roles []string
+	add := func(r string) {
+		if r == "" {
+			return
+		}
+		if _, ok := seen[r]; ok {
+			return
+		}
+		seen[r] = struct{}{}
+		roles = append(roles, r)
+	}
+	add(o.AdminRole)
+	for _, r := range o.AdminRoles {
+		add(r)
+	}
+	return roles
+}
+
 // CORSConfig contains CORS settings for frontend communication
 type CORSConfig struct {
 	Enabled          bool     `mapstructure:"enabled"`
@@ -98,8 +130,28 @@ type LoggingConfig struct {
 	Format string `mapstructure:"format"`
 }
 
+// LoadOption configures optional behaviour of Load.
+type LoadOption func(*loadOptions)
+
+type loadOptions struct {
+	garageTomlPath string
+}
+
+// WithGarageToml tells Load to parse a garage.toml file and use its values as
+// lowest-priority defaults (below YAML, below env vars).
+func WithGarageToml(path string) LoadOption {
+	return func(o *loadOptions) {
+		o.garageTomlPath = path
+	}
+}
+
 // Load reads the configuration from the specified file
-func Load(configPath string) (*Config, error) {
+func Load(configPath string, opts ...LoadOption) (*Config, error) {
+	var lo loadOptions
+	for _, fn := range opts {
+		fn(&lo)
+	}
+
 	// Set default config file name if not specified
 	if configPath == "" {
 		configPath = "config.yaml"
@@ -109,6 +161,28 @@ func Load(configPath string) (*Config, error) {
 	viper.SetConfigFile(configPath)
 	viper.SetConfigType("yaml")
 
+	// Built-in defaults (lowest priority)
+	viper.SetDefault("server.host", "::")
+	viper.SetDefault("server.port", 8080)
+	viper.SetDefault("server.environment", "production")
+	viper.SetDefault("garage.force_path_style", true)
+	viper.SetDefault("logging.level", "info")
+	viper.SetDefault("logging.format", "text")
+
+	// If garage.toml path is provided, parse it and set values as viper
+	// defaults. Defaults sit below config-file and env-var values in viper's
+	// priority order, so YAML and env vars will still win.
+	if lo.garageTomlPath != "" {
+		tomlResult, err := ParseGarageToml(lo.garageTomlPath)
+		if err != nil {
+			return nil, fmt.Errorf("error parsing garage.toml: %w", err)
+		}
+		viper.SetDefault("garage.endpoint", tomlResult.Endpoint)
+		viper.SetDefault("garage.admin_endpoint", tomlResult.AdminEndpoint)
+		viper.SetDefault("garage.admin_token", tomlResult.AdminToken)
+		viper.SetDefault("garage.region", tomlResult.Region)
+	}
+
 	// Allow environment variables to override config values
 	// Environment variables take precedence over config file
 	viper.AutomaticEnv()
@@ -118,6 +192,13 @@ func Load(configPath string) (*Config, error) {
 	// Env vars override config file values
 	bindEnvVars()
 
+	// Resolve `_FILE`-suffixed env vars for sensitive values (e.g.
+	// {ENV}_FILE=/run/secrets/foo). Must run after bindEnvVars so the
+	// warning about both forms being set fires correctly.
+	if err := applyFileBackedEnvVars(); err != nil {
+		return nil, fmt.Errorf("error resolving _FILE env vars: %w", err)
+	}
+
 	// Read the config file (optional - will use defaults and env vars if not found)
 	if _, err := os.Stat(configPath); err == nil {
 		if err := viper.ReadInConfig(); err != nil {
@@ -168,6 +249,9 @@ func bindEnvVars() {
 	viper.BindEnv("auth.admin.password", "GARAGE_UI_AUTH_ADMIN_PASSWORD")
 	viper.BindEnv("auth.jwt_private_key", "GARAGE_UI_AUTH_JWT_PRIVATE_KEY")
 
+	// Token auth config
+	viper.BindEnv("auth.token.enabled", "GARAGE_UI_AUTH_TOKEN_ENABLED")
+
 	// OIDC config
 	viper.BindEnv("auth.oidc.enabled", "GARAGE_UI_AUTH_OIDC_ENABLED")
 	viper.BindEnv("auth.oidc.provider_name", "GARAGE_UI_AUTH_OIDC_PROVIDER_NAME")
@@ -175,9 +259,6 @@ func bindEnvVars() {
 	viper.BindEnv("auth.oidc.client_secret", "GARAGE_UI_AUTH_OIDC_CLIENT_SECRET")
 	viper.BindEnv("auth.oidc.scopes", "GARAGE_UI_AUTH_OIDC_SCOPES")
 	viper.BindEnv("auth.oidc.issuer_url", "GARAGE_UI_AUTH_OIDC_ISSUER_URL")
-	viper.BindEnv("auth.oidc.auth_url", "GARAGE_UI_AUTH_OIDC_AUTH_URL")
-	viper.BindEnv("auth.oidc.token_url", "GARAGE_UI_AUTH_OIDC_TOKEN_URL")
-	viper.BindEnv("auth.oidc.userinfo_url", "GARAGE_UI_AUTH_OIDC_USERINFO_URL")
 	viper.BindEnv("auth.oidc.skip_issuer_check", "GARAGE_UI_AUTH_OIDC_SKIP_ISSUER_CHECK")
 	viper.BindEnv("auth.oidc.skip_expiry_check", "GARAGE_UI_AUTH_OIDC_SKIP_EXPIRY_CHECK")
 	viper.BindEnv("auth.oidc.email_attribute", "GARAGE_UI_AUTH_OIDC_EMAIL_ATTRIBUTE")
@@ -185,6 +266,7 @@ func bindEnvVars() {
 	viper.BindEnv("auth.oidc.name_attribute", "GARAGE_UI_AUTH_OIDC_NAME_ATTRIBUTE")
 	viper.BindEnv("auth.oidc.role_attribute_path", "GARAGE_UI_AUTH_OIDC_ROLE_ATTRIBUTE_PATH")
 	viper.BindEnv("auth.oidc.admin_role", "GARAGE_UI_AUTH_OIDC_ADMIN_ROLE")
+	viper.BindEnv("auth.oidc.admin_roles", "GARAGE_UI_AUTH_OIDC_ADMIN_ROLES")
 	viper.BindEnv("auth.oidc.tls_skip_verify", "GARAGE_UI_AUTH_OIDC_TLS_SKIP_VERIFY")
 	viper.BindEnv("auth.oidc.session_max_age", "GARAGE_UI_AUTH_OIDC_SESSION_MAX_AGE")
 	viper.BindEnv("auth.oidc.cookie_name", "GARAGE_UI_AUTH_OIDC_COOKIE_NAME")
@@ -205,6 +287,50 @@ func bindEnvVars() {
 	viper.BindEnv("logging.format", "GARAGE_UI_LOGGING_FORMAT")
 }
 
+// fileBackedEnvVars maps env var names to viper config keys for variables that
+// support the `_FILE` suffix convention. Operators may set `{ENV}_FILE` to a
+// file path; the file's contents (with trailing whitespace trimmed) become the
+// effective value. This pattern is used by Docker Official Images (postgres,
+// mysql) to inject secrets via mounted files instead of plain env vars,
+// avoiding exposure through `docker inspect`, process listings, or crash logs.
+//
+// Scope is intentionally limited to values that an operator would reasonably
+// store in a Kubernetes Secret or Docker secret. Non-sensitive config (host,
+// port, endpoints, etc.) is excluded.
+var fileBackedEnvVars = map[string]string{
+	"GARAGE_UI_GARAGE_ADMIN_TOKEN":      "garage.admin_token",
+	"GARAGE_UI_AUTH_ADMIN_USERNAME":     "auth.admin.username",
+	"GARAGE_UI_AUTH_ADMIN_PASSWORD":     "auth.admin.password",
+	"GARAGE_UI_AUTH_JWT_PRIVATE_KEY":    "auth.jwt_private_key",
+	"GARAGE_UI_AUTH_OIDC_CLIENT_ID":     "auth.oidc.client_id",
+	"GARAGE_UI_AUTH_OIDC_CLIENT_SECRET": "auth.oidc.client_secret",
+}
+
+// applyFileBackedEnvVars resolves `_FILE`-suffixed env vars listed in
+// fileBackedEnvVars. For each entry where `{ENV}_FILE` is set, the file is
+// read and its contents (trimmed of trailing CR/LF) become the value via
+// viper.Set, which is the highest-priority source — so a `_FILE` value wins
+// over both `{ENV}` and YAML. A missing or unreadable file is a hard error.
+func applyFileBackedEnvVars() error {
+	for envVar, configKey := range fileBackedEnvVars {
+		path := os.Getenv(envVar + "_FILE")
+		if path == "" {
+			continue
+		}
+		data, err := os.ReadFile(path)
+		if err != nil {
+			return fmt.Errorf("reading %s_FILE (%s): %w", envVar, path, err)
+		}
+		if os.Getenv(envVar) != "" {
+			logger.Warn().
+				Str("env", envVar).
+				Msg("both VAR and VAR_FILE are set; VAR_FILE takes precedence")
+		}
+		viper.Set(configKey, strings.TrimRight(string(data), "\r\n"))
+	}
+	return nil
+}
+
 // Validate checks if the configuration is valid
 func (c *Config) Validate() error {
 	// Validate server config
@@ -244,6 +370,14 @@ func (c *Config) Validate() error {
 		if len(c.Auth.OIDC.Scopes) == 0 {
 			return fmt.Errorf("oidc scopes are required when oidc is enabled")
 		}
+		// Every authenticated route on this service grants full admin
+		// access — there is no separate authorization layer. Empty
+		// admin role configuration would therefore promote every user
+		// in the IdP realm to cluster admin. Require operators to opt
+		// in explicitly via admin_role or admin_roles.
+		if len(c.Auth.OIDC.EffectiveAdminRoles()) == 0 {
+			return fmt.Errorf("oidc admin_role or admin_roles is required when oidc is enabled: leaving them empty would grant cluster-admin access to any authenticated IdP user")
+		}
 	}
 
 	return nil
@@ -251,7 +385,7 @@ func (c *Config) Validate() error {
 
 // GetAddress returns the full server address (host:port)
 func (c *Config) GetAddress() string {
-	return fmt.Sprintf("%s:%d", c.Server.Host, c.Server.Port)
+	return net.JoinHostPort(c.Server.Host, strconv.Itoa(c.Server.Port))
 }
 
 // IsDevelopment returns true if running in development mode

backend/internal/config/config_test.go

@@ -0,0 +1,661 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+	"reflect"
+	"strings"
+	"testing"
+
+	"github.com/spf13/viper"
+)
+
+// writeConfigFile writes yaml content to a temp path and returns it.
+func writeConfigFile(t *testing.T, yaml string) string {
+	t.Helper()
+	dir := t.TempDir()
+	path := filepath.Join(dir, "config.yaml")
+	if err := os.WriteFile(path, []byte(yaml), 0600); err != nil {
+		t.Fatalf("write config: %v", err)
+	}
+	return path
+}
+
+// resetViper clears all global viper state between tests.
+func resetViper(t *testing.T) {
+	t.Helper()
+	viper.Reset()
+}
+
+// minimalValidYAML is the smallest configuration that passes Validate.
+const minimalValidYAML = `
+server:
+  host: "0.0.0.0"
+  port: 8080
+  environment: development
+garage:
+  endpoint: http://garage:3900
+  admin_endpoint: http://garage:3903
+  admin_token: supersecret
+`
+
+func TestLoad_YAMLOnly(t *testing.T) {
+	resetViper(t)
+	path := writeConfigFile(t, minimalValidYAML)
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Server.Host != "0.0.0.0" {
+		t.Errorf("Server.Host = %q, want 0.0.0.0", cfg.Server.Host)
+	}
+	if cfg.Server.Port != 8080 {
+		t.Errorf("Server.Port = %d, want 8080", cfg.Server.Port)
+	}
+	if cfg.Server.Environment != "development" {
+		t.Errorf("Server.Environment = %q, want development", cfg.Server.Environment)
+	}
+	if cfg.Garage.Endpoint != "http://garage:3900" {
+		t.Errorf("Garage.Endpoint = %q", cfg.Garage.Endpoint)
+	}
+	if cfg.Garage.AdminToken != "supersecret" {
+		t.Errorf("Garage.AdminToken = %q", cfg.Garage.AdminToken)
+	}
+}
+
+func TestLoad_EnvOnly_MissingFile(t *testing.T) {
+	resetViper(t)
+	// Point at a path that definitely does not exist. Load tolerates missing
+	// files and falls back to env + viper defaults.
+	missing := filepath.Join(t.TempDir(), "does-not-exist.yaml")
+
+	// Every required field provided via env.
+	t.Setenv("GARAGE_UI_SERVER_PORT", "9090")
+	t.Setenv("GARAGE_UI_GARAGE_ENDPOINT", "http://g:3900")
+	t.Setenv("GARAGE_UI_GARAGE_ADMIN_ENDPOINT", "http://g:3903")
+	t.Setenv("GARAGE_UI_GARAGE_ADMIN_TOKEN", "env-token")
+
+	cfg, err := Load(missing)
+	if err != nil {
+		t.Fatalf("Load with env-only: %v", err)
+	}
+	if cfg.Server.Port != 9090 {
+		t.Errorf("Server.Port = %d, want 9090 (from env)", cfg.Server.Port)
+	}
+	if cfg.Server.Host != "::" {
+		t.Errorf("Server.Host = %q, want :: (default)", cfg.Server.Host)
+	}
+	if cfg.Garage.AdminToken != "env-token" {
+		t.Errorf("Garage.AdminToken = %q, want env-token", cfg.Garage.AdminToken)
+	}
+}
+
+func TestLoad_EnvOverridesYAML(t *testing.T) {
+	resetViper(t)
+	path := writeConfigFile(t, minimalValidYAML)
+
+	// YAML has port=8080; env should win.
+	t.Setenv("GARAGE_UI_SERVER_PORT", "9090")
+	t.Setenv("GARAGE_UI_GARAGE_ADMIN_TOKEN", "env-wins")
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Server.Port != 9090 {
+		t.Errorf("Server.Port = %d, want 9090 (env override)", cfg.Server.Port)
+	}
+	if cfg.Garage.AdminToken != "env-wins" {
+		t.Errorf("Garage.AdminToken = %q, want env-wins", cfg.Garage.AdminToken)
+	}
+	// Host was not overridden; YAML value should persist.
+	if cfg.Server.Host != "0.0.0.0" {
+		t.Errorf("Server.Host = %q, want 0.0.0.0 (from YAML)", cfg.Server.Host)
+	}
+}
+
+func TestLoad_MalformedYAMLReturnsError(t *testing.T) {
+	resetViper(t)
+	// Deliberately broken YAML: unindented key after a mapping start.
+	path := writeConfigFile(t, "server:\n  port: 8080\n:: not: valid ::\n")
+
+	_, err := Load(path)
+	if err == nil {
+		t.Fatal("expected error for malformed YAML, got nil")
+	}
+	if !strings.Contains(err.Error(), "error reading config file") {
+		t.Errorf("unexpected error: %v", err)
+	}
+}
+
+func TestLoad_ValidationFailurePropagates(t *testing.T) {
+	resetViper(t)
+	// Valid YAML syntax but Garage.Endpoint is blank → Validate must fail.
+	path := writeConfigFile(t, `
+server:
+  port: 8080
+garage:
+  endpoint: ""
+  admin_endpoint: http://g:3903
+  admin_token: t
+`)
+
+	_, err := Load(path)
+	if err == nil {
+		t.Fatal("expected validation error, got nil")
+	}
+	if !strings.Contains(err.Error(), "invalid configuration") {
+		t.Errorf("expected wrapped invalid-config error, got %v", err)
+	}
+	if !strings.Contains(err.Error(), "garage endpoint is required") {
+		t.Errorf("expected endpoint-required message, got %v", err)
+	}
+}
+
+// validBaseConfig returns a deep copy of a minimal Config that passes Validate.
+func validBaseConfig() Config {
+	return Config{
+		Server: ServerConfig{Port: 8080},
+		Garage: GarageConfig{
+			Endpoint:      "http://g:3900",
+			AdminEndpoint: "http://g:3903",
+			AdminToken:    "t",
+		},
+	}
+}
+
+// applyValidOIDC fills OIDC with all required fields.
+func applyValidOIDC(c *Config) {
+	c.Auth.OIDC.Enabled = true
+	c.Auth.OIDC.ClientID = "client-xyz"
+	c.Auth.OIDC.IssuerURL = "https://idp.example/realms/test"
+	c.Auth.OIDC.Scopes = []string{"openid"}
+	c.Auth.OIDC.AdminRole = "admin"
+	c.Server.RootURL = "https://garage-ui.example"
+}
+
+// Note on spec coverage: spec/2026-04-17-backend-test-suite-design.md lists
+// "invalid log level/format" as a Validate case, but the current Validate does
+// not check Logging.Level or Logging.Format. That's a code-vs-spec gap to
+// resolve in a follow-up plan; Stage 2 tests the current behavior only.
+func TestValidate(t *testing.T) {
+	tests := []struct {
+		name            string
+		mutate          func(*Config)
+		wantErrContains string // empty = expect no error
+	}{
+		{
+			name:   "valid minimal config",
+			mutate: func(c *Config) {},
+		},
+		{
+			name:            "port zero is invalid",
+			mutate:          func(c *Config) { c.Server.Port = 0 },
+			wantErrContains: "invalid server port",
+		},
+		{
+			name:            "port negative is invalid",
+			mutate:          func(c *Config) { c.Server.Port = -1 },
+			wantErrContains: "invalid server port",
+		},
+		{
+			name:            "port above 65535 is invalid",
+			mutate:          func(c *Config) { c.Server.Port = 70000 },
+			wantErrContains: "invalid server port",
+		},
+		{
+			name:            "port at 65535 is valid",
+			mutate:          func(c *Config) { c.Server.Port = 65535 },
+			wantErrContains: "",
+		},
+		{
+			name:            "missing garage endpoint",
+			mutate:          func(c *Config) { c.Garage.Endpoint = "" },
+			wantErrContains: "garage endpoint is required",
+		},
+		{
+			name:            "missing garage admin_endpoint",
+			mutate:          func(c *Config) { c.Garage.AdminEndpoint = "" },
+			wantErrContains: "admin_endpoint is required",
+		},
+		{
+			name:            "missing garage admin_token",
+			mutate:          func(c *Config) { c.Garage.AdminToken = "" },
+			wantErrContains: "admin_token is required",
+		},
+		{
+			name: "admin auth enabled without username",
+			mutate: func(c *Config) {
+				c.Auth.Admin.Enabled = true
+				c.Auth.Admin.Password = "p"
+			},
+			wantErrContains: "admin auth username and password are required",
+		},
+		{
+			name: "admin auth enabled without password",
+			mutate: func(c *Config) {
+				c.Auth.Admin.Enabled = true
+				c.Auth.Admin.Username = "u"
+			},
+			wantErrContains: "admin auth username and password are required",
+		},
+		{
+			name: "admin auth enabled with both set is valid",
+			mutate: func(c *Config) {
+				c.Auth.Admin.Enabled = true
+				c.Auth.Admin.Username = "u"
+				c.Auth.Admin.Password = "p"
+			},
+			wantErrContains: "",
+		},
+		{
+			name: "admin auth disabled ignores missing credentials",
+			mutate: func(c *Config) {
+				c.Auth.Admin.Enabled = false
+				c.Auth.Admin.Username = ""
+				c.Auth.Admin.Password = ""
+			},
+			wantErrContains: "",
+		},
+		{
+			name: "oidc enabled without client_id",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.ClientID = ""
+			},
+			wantErrContains: "oidc client_id is required",
+		},
+		{
+			name: "oidc enabled without issuer_url",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.IssuerURL = ""
+			},
+			wantErrContains: "oidc issuer_url is required",
+		},
+		{
+			name: "oidc enabled without server.root_url",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Server.RootURL = ""
+			},
+			wantErrContains: "server.root_url is required",
+		},
+		{
+			name: "oidc enabled without scopes",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.Scopes = nil
+			},
+			wantErrContains: "oidc scopes are required",
+		},
+		{
+			name: "oidc enabled without admin_role rejected for safety",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.AdminRole = ""
+			},
+			wantErrContains: "oidc admin_role or admin_roles is required",
+		},
+		{
+			name: "oidc enabled with admin_roles only is valid",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.AdminRole = ""
+				c.Auth.OIDC.AdminRoles = []string{"group1", "group2"}
+			},
+			wantErrContains: "",
+		},
+		{
+			name: "oidc enabled with both admin_role and admin_roles is valid",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.AdminRoles = []string{"group2", "group3"}
+			},
+			wantErrContains: "",
+		},
+		{
+			name: "oidc enabled with empty admin_role and empty admin_roles rejected",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.AdminRole = ""
+				c.Auth.OIDC.AdminRoles = []string{}
+			},
+			wantErrContains: "oidc admin_role or admin_roles is required",
+		},
+		{
+			name:            "oidc fully configured is valid",
+			mutate:          applyValidOIDC,
+			wantErrContains: "",
+		},
+		{
+			name: "oidc disabled ignores missing client_id",
+			mutate: func(c *Config) {
+				c.Auth.OIDC.Enabled = false
+				c.Auth.OIDC.ClientID = ""
+			},
+			wantErrContains: "",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			cfg := validBaseConfig()
+			tc.mutate(&cfg)
+			err := cfg.Validate()
+
+			if tc.wantErrContains == "" {
+				if err != nil {
+					t.Errorf("expected no error, got %v", err)
+				}
+				return
+			}
+
+			if err == nil {
+				t.Fatalf("expected error containing %q, got nil", tc.wantErrContains)
+			}
+			if !strings.Contains(err.Error(), tc.wantErrContains) {
+				t.Errorf("error %q does not contain %q", err.Error(), tc.wantErrContains)
+			}
+		})
+	}
+}
+
+func TestGetAddress(t *testing.T) {
+	tests := []struct {
+		host string
+		port int
+		want string
+	}{
+		{"localhost", 8080, "localhost:8080"},
+		{"0.0.0.0", 80, "0.0.0.0:80"},
+		{"::", 80, "[::]:80"},
+		{"::1", 443, "[::1]:443"},
+		{"", 443, ":443"},
+	}
+	for _, tc := range tests {
+		t.Run(tc.want, func(t *testing.T) {
+			cfg := &Config{Server: ServerConfig{Host: tc.host, Port: tc.port}}
+			if got := cfg.GetAddress(); got != tc.want {
+				t.Errorf("GetAddress() = %q, want %q", got, tc.want)
+			}
+		})
+	}
+}
+
+func TestIsDevelopment(t *testing.T) {
+	tests := []struct {
+		env  string
+		want bool
+	}{
+		{"development", true},
+		{"production", false},
+		{"", false},
+		// Case-sensitive per current impl; lock in that behavior.
+		{"Development", false},
+		{"DEV", false},
+	}
+	for _, tc := range tests {
+		t.Run(tc.env, func(t *testing.T) {
+			cfg := &Config{Server: ServerConfig{Environment: tc.env}}
+			if got := cfg.IsDevelopment(); got != tc.want {
+				t.Errorf("IsDevelopment(%q) = %v, want %v", tc.env, got, tc.want)
+			}
+		})
+	}
+}
+
+func writeToml(t *testing.T, content string) string {
+	t.Helper()
+	dir := t.TempDir()
+	path := filepath.Join(dir, "garage.toml")
+	if err := os.WriteFile(path, []byte(content), 0600); err != nil {
+		t.Fatalf("write toml: %v", err)
+	}
+	return path
+}
+
+const testGarageToml = `
+[admin]
+api_bind_addr = "[::]:3903"
+admin_token = "toml-token"
+
+[s3_api]
+api_bind_addr = "[::]:3900"
+s3_region = "garage"
+`
+
+func TestLoad_GarageTomlOnly(t *testing.T) {
+	resetViper(t)
+	tomlPath := writeToml(t, testGarageToml)
+	missingYaml := filepath.Join(t.TempDir(), "nope.yaml")
+
+	cfg, err := Load(missingYaml, WithGarageToml(tomlPath))
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Garage.AdminToken != "toml-token" {
+		t.Errorf("AdminToken = %q, want toml-token", cfg.Garage.AdminToken)
+	}
+	if cfg.Garage.Endpoint != "http://127.0.0.1:3900" {
+		t.Errorf("Endpoint = %q, want http://127.0.0.1:3900", cfg.Garage.Endpoint)
+	}
+	if cfg.Garage.AdminEndpoint != "http://127.0.0.1:3903" {
+		t.Errorf("AdminEndpoint = %q, want http://127.0.0.1:3903", cfg.Garage.AdminEndpoint)
+	}
+	if cfg.Garage.Region != "garage" {
+		t.Errorf("Region = %q, want garage", cfg.Garage.Region)
+	}
+}
+
+func TestLoad_YAMLOverridesToml(t *testing.T) {
+	resetViper(t)
+	tomlPath := writeToml(t, testGarageToml)
+	yaml := `
+server:
+  host: "0.0.0.0"
+  port: 8080
+garage:
+  endpoint: http://custom:3900
+  admin_endpoint: http://custom:3903
+  admin_token: yaml-wins
+`
+	yamlPath := writeConfigFile(t, yaml)
+
+	cfg, err := Load(yamlPath, WithGarageToml(tomlPath))
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Garage.AdminToken != "yaml-wins" {
+		t.Errorf("AdminToken = %q, want yaml-wins (yaml overrides toml)", cfg.Garage.AdminToken)
+	}
+	if cfg.Garage.Endpoint != "http://custom:3900" {
+		t.Errorf("Endpoint = %q, want http://custom:3900", cfg.Garage.Endpoint)
+	}
+}
+
+func TestLoad_EnvOverridesToml(t *testing.T) {
+	resetViper(t)
+	tomlPath := writeToml(t, testGarageToml)
+	missingYaml := filepath.Join(t.TempDir(), "nope.yaml")
+	t.Setenv("GARAGE_UI_GARAGE_ADMIN_TOKEN", "env-wins")
+
+	cfg, err := Load(missingYaml, WithGarageToml(tomlPath))
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Garage.AdminToken != "env-wins" {
+		t.Errorf("AdminToken = %q, want env-wins (env overrides toml)", cfg.Garage.AdminToken)
+	}
+}
+
+func TestEffectiveAdminRoles(t *testing.T) {
+	tests := []struct {
+		name       string
+		adminRole  string
+		adminRoles []string
+		want       []string
+	}{
+		{"both empty", "", nil, nil},
+		{"single only", "admin", nil, []string{"admin"}},
+		{"list only", "", []string{"a", "b"}, []string{"a", "b"}},
+		{"merge single + list", "admin", []string{"viewer", "ops"}, []string{"admin", "viewer", "ops"}},
+		{"dedupes overlap", "admin", []string{"admin", "ops"}, []string{"admin", "ops"}},
+		{"dedupes within list", "", []string{"a", "a", "b"}, []string{"a", "b"}},
+		{"skips empty strings in list", "admin", []string{"", "ops", ""}, []string{"admin", "ops"}},
+	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			o := OIDCConfig{AdminRole: tc.adminRole, AdminRoles: tc.adminRoles}
+			got := o.EffectiveAdminRoles()
+			if !reflect.DeepEqual(got, tc.want) {
+				t.Errorf("EffectiveAdminRoles() = %v, want %v", got, tc.want)
+			}
+		})
+	}
+}
+
+// writeSecretFile is a test helper that writes content to a temp file and
+// returns the absolute path. Uses t.TempDir so cleanup is automatic.
+func writeSecretFile(t *testing.T, content string) string {
+	t.Helper()
+	dir := t.TempDir()
+	path := filepath.Join(dir, "secret")
+	if err := os.WriteFile(path, []byte(content), 0o600); err != nil {
+		t.Fatalf("write temp secret: %v", err)
+	}
+	return path
+}
+
+func TestApplyFileBackedEnvVars(t *testing.T) {
+	tests := []struct {
+		name           string
+		envVar         string
+		configKey      string
+		fileBody       string
+		alsoSetEnv     string
+		useMissingFile bool
+		wantValue      string
+		wantErr        bool
+	}{
+		{
+			name:      "reads value from file",
+			envVar:    "GARAGE_UI_AUTH_ADMIN_PASSWORD",
+			configKey: "auth.admin.password",
+			fileBody:  "s3cret",
+			wantValue: "s3cret",
+		},
+		{
+			name:      "trims trailing newline",
+			envVar:    "GARAGE_UI_GARAGE_ADMIN_TOKEN",
+			configKey: "garage.admin_token",
+			fileBody:  "tok\n",
+			wantValue: "tok",
+		},
+		{
+			name:      "trims trailing CRLF",
+			envVar:    "GARAGE_UI_AUTH_OIDC_CLIENT_SECRET",
+			configKey: "auth.oidc.client_secret",
+			fileBody:  "secret\r\n",
+			wantValue: "secret",
+		},
+		{
+			name:       "_FILE wins over plain env var",
+			envVar:     "GARAGE_UI_AUTH_ADMIN_USERNAME",
+			configKey:  "auth.admin.username",
+			fileBody:   "from-file",
+			alsoSetEnv: "from-env",
+			wantValue:  "from-file",
+		},
+		{
+			name:           "missing file returns error",
+			envVar:         "GARAGE_UI_AUTH_JWT_PRIVATE_KEY",
+			configKey:      "auth.jwt_private_key",
+			useMissingFile: true,
+			wantErr:        true,
+		},
+		{
+			name:      "multiline PEM preserved internally, only trailing whitespace trimmed",
+			envVar:    "GARAGE_UI_AUTH_JWT_PRIVATE_KEY",
+			configKey: "auth.jwt_private_key",
+			fileBody:  "-----BEGIN PRIVATE KEY-----\nABC\n-----END PRIVATE KEY-----\n",
+			wantValue: "-----BEGIN PRIVATE KEY-----\nABC\n-----END PRIVATE KEY-----",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			resetViper(t)
+
+			if tc.useMissingFile {
+				t.Setenv(tc.envVar+"_FILE", filepath.Join(t.TempDir(), "does-not-exist"))
+			} else {
+				path := writeSecretFile(t, tc.fileBody)
+				t.Setenv(tc.envVar+"_FILE", path)
+			}
+			if tc.alsoSetEnv != "" {
+				t.Setenv(tc.envVar, tc.alsoSetEnv)
+			}
+
+			err := applyFileBackedEnvVars()
+			if tc.wantErr {
+				if err == nil {
+					t.Fatalf("expected error, got nil")
+				}
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got := viper.GetString(tc.configKey); got != tc.wantValue {
+				t.Fatalf("viper.GetString(%q) = %q, want %q", tc.configKey, got, tc.wantValue)
+			}
+		})
+	}
+}
+
+func TestApplyFileBackedEnvVars_NoFileEnvSet_NoOp(t *testing.T) {
+	resetViper(t)
+	if err := applyFileBackedEnvVars(); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if got := viper.GetString("auth.admin.password"); got != "" {
+		t.Fatalf("expected empty password, got %q", got)
+	}
+}
+
+func TestLoad_FileBackedEnvVarMissingFileReturnsError(t *testing.T) {
+	resetViper(t)
+	yamlPath := writeConfigFile(t, minimalValidYAML)
+	t.Setenv("GARAGE_UI_GARAGE_ADMIN_TOKEN_FILE", filepath.Join(t.TempDir(), "does-not-exist"))
+
+	_, err := Load(yamlPath)
+	if err == nil {
+		t.Fatal("expected error from Load when _FILE points at a missing file, got nil")
+	}
+	if !strings.Contains(err.Error(), "error resolving _FILE env vars") {
+		t.Errorf("error %q does not contain wrapped prefix from Load", err)
+	}
+}
+
+func TestIsProduction(t *testing.T) {
+	tests := []struct {
+		env  string
+		want bool
+	}{
+		{"production", true},
+		{"development", false},
+		{"", false},
+		{"Production", false},
+		{"PROD", false},
+	}
+	for _, tc := range tests {
+		t.Run(tc.env, func(t *testing.T) {
+			cfg := &Config{Server: ServerConfig{Environment: tc.env}}
+			if got := cfg.IsProduction(); got != tc.want {
+				t.Errorf("IsProduction(%q) = %v, want %v", tc.env, got, tc.want)
+			}
+		})
+	}
+}

backend/internal/config/garagetoml.go

@@ -0,0 +1,105 @@
+package config
+
+import (
+	"fmt"
+	"net"
+	"os"
+	"strings"
+
+	toml "github.com/pelletier/go-toml/v2"
+)
+
+// GarageTomlResult holds the values extracted from a garage.toml file.
+type GarageTomlResult struct {
+	Endpoint      string
+	AdminEndpoint string
+	AdminToken    string
+	Region        string
+}
+
+// garageTomlFile represents the subset of garage.toml we care about.
+type garageTomlFile struct {
+	S3API struct {
+		APIBindAddr string `toml:"api_bind_addr"`
+		S3Region    string `toml:"s3_region"`
+	} `toml:"s3_api"`
+	Admin struct {
+		APIBindAddr string `toml:"api_bind_addr"`
+		AdminToken  string `toml:"admin_token"`
+	} `toml:"admin"`
+}
+
+// ParseGarageToml reads a garage.toml file and extracts the values needed
+// for garage-ui configuration.
+func ParseGarageToml(path string) (*GarageTomlResult, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("reading garage.toml: %w", err)
+	}
+
+	var f garageTomlFile
+	if err := toml.Unmarshal(data, &f); err != nil {
+		return nil, fmt.Errorf("parsing garage.toml: %w", err)
+	}
+
+	if f.Admin.AdminToken == "" {
+		return nil, fmt.Errorf("garage.toml: [admin].admin_token is required")
+	}
+	if f.Admin.APIBindAddr == "" {
+		return nil, fmt.Errorf("garage.toml: [admin].api_bind_addr is required")
+	}
+	if f.S3API.APIBindAddr == "" {
+		return nil, fmt.Errorf("garage.toml: [s3_api].api_bind_addr is required")
+	}
+
+	adminEndpoint, err := convertBindAddr(f.Admin.APIBindAddr)
+	if err != nil {
+		return nil, fmt.Errorf("garage.toml: converting admin api_bind_addr: %w", err)
+	}
+
+	s3Endpoint, err := convertBindAddr(f.S3API.APIBindAddr)
+	if err != nil {
+		return nil, fmt.Errorf("garage.toml: converting s3_api api_bind_addr: %w", err)
+	}
+
+	region := f.S3API.S3Region
+	if region == "" {
+		region = "garage"
+	}
+
+	return &GarageTomlResult{
+		Endpoint:      s3Endpoint,
+		AdminEndpoint: adminEndpoint,
+		AdminToken:    f.Admin.AdminToken,
+		Region:        region,
+	}, nil
+}
+
+// convertBindAddr converts a bind address like "[::]:3900" into an HTTP
+// endpoint like "http://127.0.0.1:3900". Wildcard hosts (::, 0.0.0.0, empty)
+// are replaced with 127.0.0.1.
+func convertBindAddr(bindAddr string) (string, error) {
+	if bindAddr == "" {
+		return "", fmt.Errorf("bind address is empty")
+	}
+
+	host, port, err := net.SplitHostPort(bindAddr)
+	if err != nil {
+		return "", fmt.Errorf("invalid bind address %q: %w", bindAddr, err)
+	}
+
+	if port == "" {
+		return "", fmt.Errorf("bind address %q has no port", bindAddr)
+	}
+
+	switch host {
+	case "", "::", "0.0.0.0":
+		host = "127.0.0.1"
+	}
+
+	if strings.Contains(host, ":") {
+		host = "[" + host + "]"
+	}
+
+	return fmt.Sprintf("http://%s:%s", host, port), nil
+}

backend/internal/config/garagetoml_test.go

@@ -0,0 +1,165 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func writeTomlFile(t *testing.T, content string) string {
+	t.Helper()
+	dir := t.TempDir()
+	path := filepath.Join(dir, "garage.toml")
+	if err := os.WriteFile(path, []byte(content), 0600); err != nil {
+		t.Fatalf("write toml: %v", err)
+	}
+	return path
+}
+
+const validGarageToml = `
+metadata_dir = "/var/lib/garage/meta"
+data_dir = "/var/lib/garage/data"
+replication_factor = 1
+
+rpc_bind_addr = "[::]:3901"
+rpc_public_addr = "127.0.0.1:3901"
+rpc_secret = "0000000000000000000000000000000000000000000000000000000000000000"
+
+[s3_api]
+s3_region = "garage"
+api_bind_addr = "[::]:3900"
+root_domain = ".s3.garage"
+
+[s3_web]
+bind_addr = "[::]:3902"
+root_domain = ".web.garage"
+index = "index.html"
+
+[admin]
+api_bind_addr = "[::]:3903"
+admin_token = "my-secret-admin-token"
+`
+
+func TestParseGarageToml_ValidFile(t *testing.T) {
+	path := writeTomlFile(t, validGarageToml)
+	result, err := ParseGarageToml(path)
+	if err != nil {
+		t.Fatalf("ParseGarageToml: %v", err)
+	}
+	if result.AdminToken != "my-secret-admin-token" {
+		t.Errorf("AdminToken = %q, want my-secret-admin-token", result.AdminToken)
+	}
+	if result.AdminEndpoint != "http://127.0.0.1:3903" {
+		t.Errorf("AdminEndpoint = %q, want http://127.0.0.1:3903", result.AdminEndpoint)
+	}
+	if result.Endpoint != "http://127.0.0.1:3900" {
+		t.Errorf("Endpoint = %q, want http://127.0.0.1:3900", result.Endpoint)
+	}
+	if result.Region != "garage" {
+		t.Errorf("Region = %q, want garage", result.Region)
+	}
+}
+
+func TestParseGarageToml_MissingAdminToken(t *testing.T) {
+	toml := `
+[admin]
+api_bind_addr = "[::]:3903"
+[s3_api]
+api_bind_addr = "[::]:3900"
+`
+	path := writeTomlFile(t, toml)
+	_, err := ParseGarageToml(path)
+	if err == nil {
+		t.Fatal("expected error for missing admin_token, got nil")
+	}
+}
+
+func TestParseGarageToml_MissingAdminBindAddr(t *testing.T) {
+	toml := `
+[admin]
+admin_token = "tok"
+[s3_api]
+api_bind_addr = "[::]:3900"
+`
+	path := writeTomlFile(t, toml)
+	_, err := ParseGarageToml(path)
+	if err == nil {
+		t.Fatal("expected error for missing admin api_bind_addr, got nil")
+	}
+}
+
+func TestParseGarageToml_MissingS3BindAddr(t *testing.T) {
+	toml := `
+[admin]
+admin_token = "tok"
+api_bind_addr = "[::]:3903"
+[s3_api]
+s3_region = "garage"
+`
+	path := writeTomlFile(t, toml)
+	_, err := ParseGarageToml(path)
+	if err == nil {
+		t.Fatal("expected error for missing s3_api api_bind_addr, got nil")
+	}
+}
+
+func TestParseGarageToml_DefaultRegion(t *testing.T) {
+	toml := `
+[admin]
+admin_token = "tok"
+api_bind_addr = "[::]:3903"
+[s3_api]
+api_bind_addr = "[::]:3900"
+`
+	path := writeTomlFile(t, toml)
+	result, err := ParseGarageToml(path)
+	if err != nil {
+		t.Fatalf("ParseGarageToml: %v", err)
+	}
+	if result.Region != "garage" {
+		t.Errorf("Region = %q, want garage (default)", result.Region)
+	}
+}
+
+func TestParseGarageToml_FileNotFound(t *testing.T) {
+	_, err := ParseGarageToml("/nonexistent/garage.toml")
+	if err == nil {
+		t.Fatal("expected error for missing file, got nil")
+	}
+}
+
+func TestConvertBindAddr(t *testing.T) {
+	tests := []struct {
+		name     string
+		bindAddr string
+		want     string
+		wantErr  bool
+	}{
+		{"ipv6 wildcard", "[::]:3900", "http://127.0.0.1:3900", false},
+		{"ipv4 wildcard", "0.0.0.0:3900", "http://127.0.0.1:3900", false},
+		{"localhost", "127.0.0.1:3900", "http://127.0.0.1:3900", false},
+		{"specific ipv4", "192.168.1.1:3900", "http://192.168.1.1:3900", false},
+		{"ipv6 localhost", "[::1]:3900", "http://[::1]:3900", false},
+		{"specific ipv6", "[2001:db8::1]:3900", "http://[2001:db8::1]:3900", false},
+		{"empty host", ":3900", "http://127.0.0.1:3900", false},
+		{"empty string", "", "", true},
+		{"no port", "127.0.0.1", "", true},
+	}
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			got, err := convertBindAddr(tc.bindAddr)
+			if tc.wantErr {
+				if err == nil {
+					t.Fatalf("expected error, got %q", got)
+				}
+				return
+			}
+			if err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if got != tc.want {
+				t.Errorf("convertBindAddr(%q) = %q, want %q", tc.bindAddr, got, tc.want)
+			}
+		})
+	}
+}

backend/internal/handlers/auth.go

@@ -1,6 +1,8 @@
 package handlers
 
 import (
+	"crypto/subtle"
+
 	"Noooste/garage-ui/internal/auth"
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/models"
@@ -11,11 +13,11 @@ import (
 // AuthHandler handles authentication-related requests
 type AuthHandler struct {
 	cfg         *config.Config
-	authService *auth.AuthService
+	authService *auth.Service
 }
 
 // NewAuthHandler creates a new auth handler
-func NewAuthHandler(cfg *config.Config, authService *auth.AuthService) *AuthHandler {
+func NewAuthHandler(cfg *config.Config, authService *auth.Service) *AuthHandler {
 	return &AuthHandler{
 		cfg:         cfg,
 		authService: authService,
@@ -23,12 +25,13 @@ func NewAuthHandler(cfg *config.Config, authService *auth.AuthService) *AuthHand
 }
 
 // GetAuthConfig returns the current authentication configuration
-// @Summary Get authentication configuration
-// @Description Returns the current auth configuration (admin and/or OIDC)
-// @Tags auth
-// @Produce json
-// @Success 200 {object} object{admin=object,oidc=object} "Auth config"
-// @Router /auth/config [get]
+//
+//	@Summary		Get authentication configuration
+//	@Description	Returns the current auth configuration (admin and/or OIDC)
+//	@Tags			auth
+//	@Produce		json
+//	@Success		200	{object}	object{admin=object,oidc=object}	"Auth config"
+//	@Router			/auth/config [get]
 func (h *AuthHandler) GetAuthConfig(c fiber.Ctx) error {
 	response := fiber.Map{
 		"admin": fiber.Map{
@@ -37,6 +40,9 @@ func (h *AuthHandler) GetAuthConfig(c fiber.Ctx) error {
 		"oidc": fiber.Map{
 			"enabled": h.cfg.Auth.OIDC.Enabled,
 		},
+		"token": fiber.Map{
+			"enabled": h.cfg.Auth.Token.Enabled,
+		},
 	}
 
 	// Add provider name if OIDC is enabled
@@ -58,16 +64,17 @@ type LoginBasicRequest struct {
 }
 
 // LoginAdmin handles admin authentication login
-// @Summary Admin auth login
-// @Description Authenticate with admin username and password, returns JWT token
-// @Tags auth
-// @Accept json
-// @Produce json
-// @Param credentials body LoginBasicRequest true "Login credentials"
-// @Success 200 {object} object{success=bool,token=string,user=object} "Login successful"
-// @Failure 400 {object} models.APIResponse "Invalid request"
-// @Failure 401 {object} models.APIResponse "Invalid credentials"
-// @Router /auth/login [post]
+//
+//	@Summary		Admin auth login
+//	@Description	Authenticate with admin username and password, returns JWT token
+//	@Tags			auth
+//	@Accept			json
+//	@Produce		json
+//	@Param			credentials	body		LoginBasicRequest								true	"Login credentials"
+//	@Success		200			{object}	object{success=bool,token=string,user=object}	"Login successful"
+//	@Failure		400			{object}	models.APIResponse								"Invalid request"
+//	@Failure		401			{object}	models.APIResponse								"Invalid credentials"
+//	@Router			/auth/login [post]
 func (h *AuthHandler) LoginAdmin(c fiber.Ctx) error {
 	// Parse request body
 	var req LoginBasicRequest
@@ -106,15 +113,57 @@ func (h *AuthHandler) LoginAdmin(c fiber.Ctx) error {
 	})
 }
 
+// LoginTokenRequest represents the token auth login request
+type LoginTokenRequest struct {
+	Token string `json:"token" validate:"required"`
+}
+
+// LoginToken handles admin token authentication login
+func (h *AuthHandler) LoginToken(c fiber.Ctx) error {
+	var req LoginTokenRequest
+	if err := c.Bind().JSON(&req); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Invalid request body"),
+		)
+	}
+
+	// Constant-time comparison to prevent timing attacks
+	if subtle.ConstantTimeCompare([]byte(h.cfg.Garage.AdminToken), []byte(req.Token)) != 1 {
+		return c.Status(fiber.StatusUnauthorized).JSON(
+			models.ErrorResponse(models.ErrCodeUnauthorized, "Invalid admin token"),
+		)
+	}
+
+	userInfo := &auth.UserInfo{
+		Username: "admin-token",
+	}
+
+	sessionToken, err := h.authService.GenerateSessionToken(userInfo)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(
+			models.ErrorResponse(models.ErrCodeInternalError, "Failed to create session"),
+		)
+	}
+
+	return c.JSON(fiber.Map{
+		"success": true,
+		"token":   sessionToken,
+		"user": fiber.Map{
+			"username": userInfo.Username,
+		},
+	})
+}
+
 // GetMe returns the current authenticated user's information
-// @Summary Get current user
-// @Description Returns information about the currently authenticated user
-// @Tags auth
-// @Produce json
-// @Security ApiKeyAuth
-// @Success 200 {object} object{success=bool,user=object} "User information"
-// @Failure 401 {object} models.APIResponse "Not authenticated"
-// @Router /auth/me [get]
+//
+//	@Summary		Get current user
+//	@Description	Returns information about the currently authenticated user
+//	@Tags			auth
+//	@Produce		json
+//	@Security		ApiKeyAuth
+//	@Success		200	{object}	object{success=bool,user=object}	"User information"
+//	@Failure		401	{object}	models.APIResponse					"Not authenticated"
+//	@Router			/auth/me [get]
 func (h *AuthHandler) GetMe(c fiber.Ctx) error {
 	// Try to get user info from OIDC context
 	userInfoInterface := c.Locals("userInfo")

backend/internal/handlers/auth_test.go

@@ -0,0 +1,465 @@
+package handlers
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/config"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+// newAuthTestService builds a real auth.Service with OIDC disabled. The JWT
+// key is auto-generated, matching the production default.
+func newAuthTestService(t *testing.T, admin config.AdminAuthConfig) *auth.Service {
+	t.Helper()
+	svc, err := auth.NewAuthService(
+		&config.AuthConfig{
+			Admin: admin,
+			OIDC:  config.OIDCConfig{Enabled: false},
+		},
+		&config.ServerConfig{},
+	)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+	return svc
+}
+
+// newAuthTestApp builds a bare Fiber app with the auth handler mounted.
+// The admin and OIDC config are reflected both in cfg (for the handler) and
+// in the auth service.
+func newAuthTestApp(t *testing.T, cfg *config.Config) (*fiber.App, *AuthHandler) {
+	t.Helper()
+	svc := newAuthTestService(t, cfg.Auth.Admin)
+	h := NewAuthHandler(cfg, svc)
+	app := fiber.New()
+	app.Get("/auth/config", h.GetAuthConfig)
+	app.Post("/auth/login", h.LoginAdmin)
+	app.Get("/auth/me", h.GetMe)
+	return app, h
+}
+
+func TestGetAuthConfig_AdminOnly(t *testing.T) {
+	cfg := &config.Config{
+		Auth: config.AuthConfig{
+			Admin: config.AdminAuthConfig{Enabled: true, Username: "admin", Password: "p"},
+			OIDC:  config.OIDCConfig{Enabled: false},
+		},
+	}
+	app, _ := newAuthTestApp(t, cfg)
+	req := httptest.NewRequest(http.MethodGet, "/auth/config", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	var body struct {
+		Admin struct {
+			Enabled bool `json:"enabled"`
+		} `json:"admin"`
+		OIDC struct {
+			Enabled  bool   `json:"enabled"`
+			Provider string `json:"provider"`
+		} `json:"oidc"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if !body.Admin.Enabled {
+		t.Error("admin.enabled = false, want true")
+	}
+	if body.OIDC.Enabled {
+		t.Error("oidc.enabled = true, want false")
+	}
+	if body.OIDC.Provider != "" {
+		t.Errorf("oidc.provider = %q, want empty", body.OIDC.Provider)
+	}
+}
+
+func TestGetAuthConfig_OIDCOnly_WithExplicitProvider(t *testing.T) {
+	cfg := &config.Config{
+		Auth: config.AuthConfig{
+			Admin: config.AdminAuthConfig{Enabled: false},
+			OIDC: config.OIDCConfig{
+				Enabled:      false, // service init skipped (newAuthTestService disables OIDC); handler only reads flags
+				ProviderName: "Keycloak",
+			},
+		},
+	}
+	// Re-enable OIDC only on the cfg the handler sees — the service is still
+	// constructed with OIDC disabled above, which is fine because
+	// GetAuthConfig does not touch the service at all.
+	cfg.Auth.OIDC.Enabled = true
+	app, _ := newAuthTestApp(t, cfg)
+
+	req := httptest.NewRequest(http.MethodGet, "/auth/config", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	var body struct {
+		OIDC struct {
+			Enabled  bool   `json:"enabled"`
+			Provider string `json:"provider"`
+		} `json:"oidc"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if !body.OIDC.Enabled {
+		t.Error("oidc.enabled = false, want true")
+	}
+	if body.OIDC.Provider != "Keycloak" {
+		t.Errorf("oidc.provider = %q, want Keycloak", body.OIDC.Provider)
+	}
+}
+
+func TestGetAuthConfig_OIDCEnabled_DefaultProviderName(t *testing.T) {
+	cfg := &config.Config{
+		Auth: config.AuthConfig{
+			Admin: config.AdminAuthConfig{Enabled: false},
+			OIDC:  config.OIDCConfig{Enabled: true, ProviderName: ""},
+		},
+	}
+	app, _ := newAuthTestApp(t, cfg)
+	req := httptest.NewRequest(http.MethodGet, "/auth/config", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	var body struct {
+		OIDC struct {
+			Provider string `json:"provider"`
+		} `json:"oidc"`
+	}
+	_ = json.NewDecoder(resp.Body).Decode(&body)
+	if body.OIDC.Provider != "OIDC Provider" {
+		t.Errorf("provider = %q, want default 'OIDC Provider'", body.OIDC.Provider)
+	}
+}
+
+func TestLoginAdmin_HappyPath(t *testing.T) {
+	cfg := &config.Config{
+		Auth: config.AuthConfig{
+			Admin: config.AdminAuthConfig{Enabled: true, Username: "admin", Password: "s3cret"},
+		},
+	}
+	app, _ := newAuthTestApp(t, cfg)
+
+	body, _ := json.Marshal(map[string]string{"username": "admin", "password": "s3cret"})
+	req := httptest.NewRequest(http.MethodPost, "/auth/login", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		raw, _ := io.ReadAll(resp.Body)
+		t.Fatalf("status = %d, want 200\nbody: %s", resp.StatusCode, raw)
+	}
+
+	var decoded struct {
+		Success bool   `json:"success"`
+		Token   string `json:"token"`
+		User    struct {
+			Username string `json:"username"`
+		} `json:"user"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&decoded); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if !decoded.Success {
+		t.Error("success = false")
+	}
+	if decoded.Token == "" {
+		t.Error("token empty")
+	}
+	if decoded.User.Username != "admin" {
+		t.Errorf("username = %q, want admin", decoded.User.Username)
+	}
+}
+
+func TestLoginAdmin_WrongPasswordReturns401(t *testing.T) {
+	cfg := &config.Config{
+		Auth: config.AuthConfig{Admin: config.AdminAuthConfig{Enabled: true, Username: "admin", Password: "s3cret"}},
+	}
+	app, _ := newAuthTestApp(t, cfg)
+	body, _ := json.Marshal(map[string]string{"username": "admin", "password": "WRONG"})
+	req := httptest.NewRequest(http.MethodPost, "/auth/login", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusUnauthorized {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+}
+
+func TestLoginAdmin_WrongUsernameReturns401(t *testing.T) {
+	cfg := &config.Config{
+		Auth: config.AuthConfig{Admin: config.AdminAuthConfig{Enabled: true, Username: "admin", Password: "s3cret"}},
+	}
+	app, _ := newAuthTestApp(t, cfg)
+	body, _ := json.Marshal(map[string]string{"username": "root", "password": "s3cret"})
+	req := httptest.NewRequest(http.MethodPost, "/auth/login", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusUnauthorized {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+}
+
+func TestLoginAdmin_MalformedJSONReturns400(t *testing.T) {
+	cfg := &config.Config{
+		Auth: config.AuthConfig{Admin: config.AdminAuthConfig{Enabled: true, Username: "admin", Password: "p"}},
+	}
+	app, _ := newAuthTestApp(t, cfg)
+	req := httptest.NewRequest(http.MethodPost, "/auth/login", strings.NewReader("{not-json"))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestLoginToken_Success(t *testing.T) {
+	cfg := &config.Config{
+		Garage: config.GarageConfig{
+			AdminToken:    "test-admin-token",
+			Endpoint:      "http://g:3900",
+			AdminEndpoint: "http://g:3903",
+		},
+		Auth: config.AuthConfig{
+			Token: config.TokenAuthConfig{Enabled: true},
+		},
+	}
+	svc := newAuthTestService(t, cfg.Auth.Admin)
+	h := NewAuthHandler(cfg, svc)
+	app := fiber.New()
+	app.Post("/auth/login-token", h.LoginToken)
+
+	body := `{"token":"test-admin-token"}`
+	req := httptest.NewRequest(http.MethodPost, "/auth/login-token", strings.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		raw, _ := io.ReadAll(resp.Body)
+		t.Fatalf("status = %d, want 200\nbody: %s", resp.StatusCode, raw)
+	}
+
+	var decoded struct {
+		Success bool   `json:"success"`
+		Token   string `json:"token"`
+		User    struct {
+			Username string `json:"username"`
+		} `json:"user"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&decoded); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if !decoded.Success {
+		t.Error("success = false")
+	}
+	if decoded.Token == "" {
+		t.Error("token empty")
+	}
+	if decoded.User.Username != "admin-token" {
+		t.Errorf("username = %q, want admin-token", decoded.User.Username)
+	}
+}
+
+func TestLoginToken_WrongToken(t *testing.T) {
+	cfg := &config.Config{
+		Garage: config.GarageConfig{
+			AdminToken:    "test-admin-token",
+			Endpoint:      "http://g:3900",
+			AdminEndpoint: "http://g:3903",
+		},
+		Auth: config.AuthConfig{
+			Token: config.TokenAuthConfig{Enabled: true},
+		},
+	}
+	svc := newAuthTestService(t, cfg.Auth.Admin)
+	h := NewAuthHandler(cfg, svc)
+	app := fiber.New()
+	app.Post("/auth/login-token", h.LoginToken)
+
+	body := `{"token":"wrong-token"}`
+	req := httptest.NewRequest(http.MethodPost, "/auth/login-token", strings.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusUnauthorized {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+}
+
+func TestLoginToken_MalformedJSONReturns400(t *testing.T) {
+	cfg := &config.Config{
+		Garage: config.GarageConfig{
+			AdminToken:    "test-admin-token",
+			Endpoint:      "http://g:3900",
+			AdminEndpoint: "http://g:3903",
+		},
+		Auth: config.AuthConfig{
+			Token: config.TokenAuthConfig{Enabled: true},
+		},
+	}
+	svc := newAuthTestService(t, cfg.Auth.Admin)
+	h := NewAuthHandler(cfg, svc)
+	app := fiber.New()
+	app.Post("/auth/login-token", h.LoginToken)
+
+	req := httptest.NewRequest(http.MethodPost, "/auth/login-token", strings.NewReader("{not-json"))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestGetAuthConfig_TokenEnabled(t *testing.T) {
+	cfg := &config.Config{
+		Auth: config.AuthConfig{
+			Token: config.TokenAuthConfig{Enabled: true},
+		},
+	}
+	app, _ := newAuthTestApp(t, cfg)
+	req := httptest.NewRequest(http.MethodGet, "/auth/config", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	var body struct {
+		Token struct {
+			Enabled bool `json:"enabled"`
+		} `json:"token"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if !body.Token.Enabled {
+		t.Error("token.enabled = false, want true")
+	}
+}
+
+func TestGetMe_OIDCUserInfoLocal(t *testing.T) {
+	cfg := &config.Config{Auth: config.AuthConfig{}}
+	app, h := newAuthTestApp(t, cfg)
+	// Re-register /auth/me with a pre-handler that seeds c.Locals("userInfo").
+	// The default registration in newAuthTestApp lacks Locals; we mount a
+	// second path that does.
+	app.Get("/me-oidc", func(c fiber.Ctx) error {
+		c.Locals("userInfo", &auth.UserInfo{
+			Username: "alice",
+			Email:    "alice@example.com",
+			Name:     "Alice Example",
+		})
+		return h.GetMe(c)
+	})
+
+	req := httptest.NewRequest(http.MethodGet, "/me-oidc", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	var decoded struct {
+		Success bool `json:"success"`
+		User    struct {
+			Username string `json:"username"`
+			Email    string `json:"email"`
+			Name     string `json:"name"`
+		} `json:"user"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&decoded); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if decoded.User.Username != "alice" || decoded.User.Email != "alice@example.com" || decoded.User.Name != "Alice Example" {
+		t.Errorf("got %+v", decoded.User)
+	}
+}
+
+func TestGetMe_BasicAuthUsernameLocal(t *testing.T) {
+	cfg := &config.Config{Auth: config.AuthConfig{}}
+	app, h := newAuthTestApp(t, cfg)
+	app.Get("/me-basic", func(c fiber.Ctx) error {
+		c.Locals("username", "admin")
+		return h.GetMe(c)
+	})
+	req := httptest.NewRequest(http.MethodGet, "/me-basic", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	var decoded struct {
+		User struct {
+			Username string `json:"username"`
+		} `json:"user"`
+	}
+	_ = json.NewDecoder(resp.Body).Decode(&decoded)
+	if decoded.User.Username != "admin" {
+		t.Errorf("username = %q, want admin", decoded.User.Username)
+	}
+}
+
+func TestGetMe_NoLocalsReturns401(t *testing.T) {
+	cfg := &config.Config{Auth: config.AuthConfig{}}
+	app, _ := newAuthTestApp(t, cfg)
+	req := httptest.NewRequest(http.MethodGet, "/auth/me", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusUnauthorized {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+}

backend/internal/handlers/buckets.go

@@ -7,14 +7,14 @@ import (
 	"github.com/gofiber/fiber/v3"
 )
 
-// BucketHandler handles bucket-related operations
+// BucketHandler handles bucket-related HTTP requests.
 type BucketHandler struct {
-	adminService *services.GarageAdminService
-	s3Service    *services.S3Service
+	adminService services.AdminService
+	s3Service    services.S3Storage
 }
 
-// NewBucketHandler creates a new bucket handler
-func NewBucketHandler(adminService *services.GarageAdminService, s3Service *services.S3Service) *BucketHandler {
+// NewBucketHandler creates a new bucket handler.
+func NewBucketHandler(adminService services.AdminService, s3Service services.S3Storage) *BucketHandler {
 	return &BucketHandler{
 		adminService: adminService,
 		s3Service:    s3Service,
@@ -67,11 +67,14 @@ func (h *BucketHandler) ListBuckets(c fiber.Ctx) error {
 		}
 
 		bucketInfo := models.BucketInfo{
-			Name:         bucketName,
-			CreationDate: adminBucket.Created,
-			Region:       "", // Garage doesn't have regions
-			ObjectCount:  &detailedInfo.Objects,
-			Size:         &detailedInfo.Bytes,
+			Name:          bucketName,
+			CreationDate:  adminBucket.Created,
+			Region:        "",
+			ObjectCount:   &detailedInfo.Objects,
+			Size:          &detailedInfo.Bytes,
+			WebsiteAccess: detailedInfo.WebsiteAccess,
+			WebsiteConfig: detailedInfo.WebsiteConfig,
+			Quotas:        detailedInfo.Quotas,
 		}
 
 		buckets = append(buckets, bucketInfo)
@@ -285,22 +288,204 @@ func (h *BucketHandler) GrantBucketPermission(c fiber.Ctx) error {
 		)
 	}
 
-	// Build the permission request for Garage Admin API
-	permRequest := models.BucketKeyPermRequest{
-		BucketID:    bucketInfo.ID,
-		AccessKeyID: req.AccessKeyID,
-		Permissions: models.BucketKeyPermission{
-			Read:  req.Permissions.Read,
-			Write: req.Permissions.Write,
-			Owner: req.Permissions.Owner,
-		},
+	// Garage's AllowBucketKey is additive — false values are no-ops, not revokes.
+	// To make this endpoint a true "set permissions" operation, split into Allow
+	// for the requested-true perms and Deny for the requested-false perms.
+	allow := models.BucketKeyPermission{
+		Read:  req.Permissions.Read,
+		Write: req.Permissions.Write,
+		Owner: req.Permissions.Owner,
+	}
+	deny := models.BucketKeyPermission{
+		Read:  !req.Permissions.Read,
+		Write: !req.Permissions.Write,
+		Owner: !req.Permissions.Owner,
 	}
 
-	// Grant permissions using Garage Admin API
-	result, err := h.adminService.AllowBucketKey(ctx, permRequest)
+	var result *models.GarageBucketInfo
+
+	if allow.Read || allow.Write || allow.Owner {
+		r, err := h.adminService.AllowBucketKey(ctx, models.BucketKeyPermRequest{
+			BucketID:    bucketInfo.ID,
+			AccessKeyID: req.AccessKeyID,
+			Permissions: allow,
+		})
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(
+				models.ErrorResponse(models.ErrCodeInternalError, "Failed to grant permissions: "+err.Error()),
+			)
+		}
+		result = r
+	}
+
+	if deny.Read || deny.Write || deny.Owner {
+		r, err := h.adminService.DenyBucketKey(ctx, models.BucketKeyPermRequest{
+			BucketID:    bucketInfo.ID,
+			AccessKeyID: req.AccessKeyID,
+			Permissions: deny,
+		})
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(
+				models.ErrorResponse(models.ErrCodeInternalError, "Failed to revoke permissions: "+err.Error()),
+			)
+		}
+		result = r
+	}
+
+	if result == nil {
+		// Caller passed all-false on a key with no existing perms — nothing to do.
+		// Fetch current bucket state to return a consistent response.
+		r, err := h.adminService.GetBucketInfo(ctx, bucketInfo.ID)
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(
+				models.ErrorResponse(models.ErrCodeInternalError, "Failed to fetch bucket info: "+err.Error()),
+			)
+		}
+		result = r
+	}
+
+	return c.JSON(models.SuccessResponse(result))
+}
+
+// UpdateBucketWebsite updates the website access configuration for a bucket
+//
+//	@Summary		Update bucket website configuration
+//	@Description	Enables or disables static website hosting for a bucket
+//	@Tags			Buckets
+//	@Accept			json
+//	@Produce		json
+//	@Param			name	path		string												true	"Name of the bucket"
+//	@Param			request	body		models.UpdateBucketWebsiteRequest				true	"Website configuration"
+//	@Success		200		{object}	models.APIResponse{data=models.GarageBucketInfo}	"Website configuration updated"
+//	@Failure		400		{object}	models.APIResponse{error=models.APIError}			"Invalid request"
+//	@Failure		404		{object}	models.APIResponse{error=models.APIError}			"Bucket not found"
+//	@Failure		500		{object}	models.APIResponse{error=models.APIError}			"Failed to update bucket"
+//	@Router			/api/v1/buckets/{name}/website [put]
+func (h *BucketHandler) UpdateBucketWebsite(c fiber.Ctx) error {
+	ctx := c.Context()
+
+	bucketName := c.Params("name")
+	if bucketName == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Bucket name is required"),
+		)
+	}
+
+	var req models.UpdateBucketWebsiteRequest
+	if err := c.Bind().JSON(&req); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Invalid request body: "+err.Error()),
+		)
+	}
+
+	if req.Enabled && req.IndexDocument == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "indexDocument is required when enabling website access"),
+		)
+	}
+
+	bucketInfo, err := h.adminService.GetBucketInfoByAlias(ctx, bucketName)
 	if err != nil {
 		return c.Status(fiber.StatusInternalServerError).JSON(
-			models.ErrorResponse(models.ErrCodeInternalError, "Failed to grant permissions: "+err.Error()),
+			models.ErrorResponse(models.ErrCodeInternalError, "Failed to get bucket info: "+err.Error()),
+		)
+	}
+
+	if bucketInfo == nil {
+		return c.Status(fiber.StatusNotFound).JSON(
+			models.ErrorResponse(models.ErrCodeBucketNotFound, "Bucket does not exist"),
+		)
+	}
+
+	websiteAccess := &models.UpdateBucketWebsiteAccess{
+		Enabled: req.Enabled,
+	}
+	if req.Enabled {
+		websiteAccess.IndexDocument = &req.IndexDocument
+		if req.ErrorDocument != "" {
+			websiteAccess.ErrorDocument = &req.ErrorDocument
+		}
+	}
+
+	updateReq := models.UpdateBucketRequest{
+		WebsiteAccess: websiteAccess,
+	}
+
+	result, err := h.adminService.UpdateBucket(ctx, bucketInfo.ID, updateReq)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(
+			models.ErrorResponse(models.ErrCodeInternalError, "Failed to update bucket website: "+err.Error()),
+		)
+	}
+
+	return c.JSON(models.SuccessResponse(result))
+}
+
+// UpdateBucketQuotas updates the quota settings for a bucket
+//
+//	@Summary		Update bucket quotas
+//	@Description	Sets or clears the max size (bytes) and max object count quotas for a bucket. A null field clears that quota (unlimited).
+//	@Tags			Buckets
+//	@Accept			json
+//	@Produce		json
+//	@Param			name	path		string												true	"Name of the bucket"
+//	@Param			request	body		models.UpdateBucketQuotasRequest					true	"Quota configuration"
+//	@Success		200		{object}	models.APIResponse{data=models.GarageBucketInfo}	"Quotas updated"
+//	@Failure		400		{object}	models.APIResponse{error=models.APIError}			"Invalid request"
+//	@Failure		404		{object}	models.APIResponse{error=models.APIError}			"Bucket not found"
+//	@Failure		500		{object}	models.APIResponse{error=models.APIError}			"Failed to update bucket"
+//	@Router			/api/v1/buckets/{name}/quotas [put]
+func (h *BucketHandler) UpdateBucketQuotas(c fiber.Ctx) error {
+	ctx := c.Context()
+
+	bucketName := c.Params("name")
+	if bucketName == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Bucket name is required"),
+		)
+	}
+
+	var req models.UpdateBucketQuotasRequest
+	if err := c.Bind().JSON(&req); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Invalid request body: "+err.Error()),
+		)
+	}
+
+	if req.MaxSize != nil && *req.MaxSize <= 0 {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "maxSize must be greater than 0"),
+		)
+	}
+	if req.MaxObjects != nil && *req.MaxObjects <= 0 {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "maxObjects must be greater than 0"),
+		)
+	}
+
+	bucketInfo, err := h.adminService.GetBucketInfoByAlias(ctx, bucketName)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(
+			models.ErrorResponse(models.ErrCodeInternalError, "Failed to get bucket info: "+err.Error()),
+		)
+	}
+	if bucketInfo == nil {
+		return c.Status(fiber.StatusNotFound).JSON(
+			models.ErrorResponse(models.ErrCodeBucketNotFound, "Bucket does not exist"),
+		)
+	}
+
+	updateReq := models.UpdateBucketRequest{
+		Quotas: &models.BucketQuotas{
+			MaxSize:    req.MaxSize,
+			MaxObjects: req.MaxObjects,
+		},
+	}
+
+	result, err := h.adminService.UpdateBucket(ctx, bucketInfo.ID, updateReq)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(
+			models.ErrorResponse(models.ErrCodeInternalError, "Failed to update bucket quotas: "+err.Error()),
 		)
 	}
 

backend/internal/handlers/buckets_test.go

@@ -0,0 +1,622 @@
+package handlers
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services/mocks"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func newBucketsTestApp(t *testing.T) (*fiber.App, *mocks.AdminMock) {
+	t.Helper()
+	admin := &mocks.AdminMock{}
+	h := NewBucketHandler(admin, nil) // s3 unused in this handler
+	app := fiber.New()
+	app.Get("/buckets", h.ListBuckets)
+	app.Post("/buckets", h.CreateBucket)
+	app.Get("/buckets/:name", h.GetBucketInfo)
+	app.Delete("/buckets/:name", h.DeleteBucket)
+	app.Post("/buckets/:name/permissions", h.GrantBucketPermission)
+	app.Put("/buckets/:name/website", h.UpdateBucketWebsite)
+	app.Put("/buckets/:name/quotas", h.UpdateBucketQuotas)
+	return app, admin
+}
+
+func decodeJSON(t *testing.T, r io.Reader, v any) {
+	t.Helper()
+	if err := json.NewDecoder(r).Decode(v); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+}
+
+// --- ListBuckets ---
+
+func TestListBuckets_MapsAliasesAndStats(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.ListBucketsFn = func(_ context.Context) ([]models.ListBucketsResponseItem, error) {
+		return []models.ListBucketsResponseItem{
+			{ID: "id-1", Created: time.Unix(0, 0), GlobalAliases: []string{"alpha"}},
+			{ID: "id-2", Created: time.Unix(0, 0), GlobalAliases: []string{}},  // skipped: no global alias
+			{ID: "id-3", Created: time.Unix(0, 0), GlobalAliases: []string{"gamma"}},
+		}, nil
+	}
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, alias string) (*models.GarageBucketInfo, error) {
+		switch alias {
+		case "alpha":
+			return &models.GarageBucketInfo{ID: "id-1", Objects: 10, Bytes: 100, WebsiteAccess: true}, nil
+		case "gamma":
+			return nil, errors.New("detail fetch failed") // degraded path
+		}
+		return nil, errors.New("unexpected alias: " + alias)
+	}
+	req := httptest.NewRequest(http.MethodGet, "/buckets", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+	var body struct {
+		Data models.BucketListResponse `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &body)
+	if body.Data.Count != 2 {
+		t.Errorf("count = %d, want 2 (id-2 skipped)", body.Data.Count)
+	}
+	// alpha has stats; gamma degraded to no stats (ObjectCount/Size nil).
+	var foundAlpha, foundGamma bool
+	for _, b := range body.Data.Buckets {
+		if b.Name == "alpha" {
+			foundAlpha = true
+			if b.ObjectCount == nil || *b.ObjectCount != 10 {
+				t.Errorf("alpha.ObjectCount = %v, want 10", b.ObjectCount)
+			}
+			if !b.WebsiteAccess {
+				t.Error("alpha.WebsiteAccess false")
+			}
+		}
+		if b.Name == "gamma" {
+			foundGamma = true
+			if b.ObjectCount != nil {
+				t.Errorf("gamma.ObjectCount = %v, want nil (degraded)", *b.ObjectCount)
+			}
+		}
+	}
+	if !foundAlpha || !foundGamma {
+		t.Errorf("missing buckets: alpha=%v gamma=%v", foundAlpha, foundGamma)
+	}
+}
+
+func TestListBuckets_AdminErrorReturns500(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.ListBucketsFn = func(_ context.Context) ([]models.ListBucketsResponseItem, error) {
+		return nil, errors.New("boom")
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- CreateBucket ---
+
+func TestCreateBucket_Success201(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.CreateBucketFn = func(_ context.Context, r models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
+		if r.GlobalAlias == nil || *r.GlobalAlias != "new-bucket" {
+			t.Errorf("GlobalAlias = %v, want 'new-bucket'", r.GlobalAlias)
+		}
+		return &models.GarageBucketInfo{ID: "id-new"}, nil
+	}
+	body, _ := json.Marshal(map[string]string{"name": "new-bucket"})
+	req := httptest.NewRequest(http.MethodPost, "/buckets", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		t.Fatalf("status = %d, want 201", resp.StatusCode)
+	}
+}
+
+func TestCreateBucket_MissingNameReturns400(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	body, _ := json.Marshal(map[string]string{})
+	req := httptest.NewRequest(http.MethodPost, "/buckets", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestCreateBucket_MalformedJSONReturns400(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	req := httptest.NewRequest(http.MethodPost, "/buckets", strings.NewReader("{not-json"))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestCreateBucket_AdminErrorReturns500(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.CreateBucketFn = func(_ context.Context, _ models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
+		return nil, errors.New("boom")
+	}
+	body, _ := json.Marshal(map[string]string{"name": "x"})
+	req := httptest.NewRequest(http.MethodPost, "/buckets", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- GetBucketInfo ---
+
+func TestGetBucketInfo_Success(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, alias string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1", Bytes: 1, Objects: 1}, nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/alpha", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestGetBucketInfo_NotFound404(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return nil, nil // nil pointer, nil error → 404
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/missing", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("status = %d, want 404", resp.StatusCode)
+	}
+}
+
+func TestGetBucketInfo_ServiceErrorReturns500(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return nil, errors.New("boom")
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/alpha", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- DeleteBucket ---
+
+func TestDeleteBucket_Success(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.DeleteBucketFn = func(_ context.Context, id string) error {
+		if id != "id-1" {
+			t.Errorf("DeleteBucket id = %q, want id-1", id)
+		}
+		return nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodDelete, "/buckets/alpha", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestDeleteBucket_NotFound(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return nil, nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodDelete, "/buckets/missing", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("status = %d, want 404", resp.StatusCode)
+	}
+}
+
+func TestDeleteBucket_AdminDeleteErrorReturns500(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.DeleteBucketFn = func(_ context.Context, _ string) error { return errors.New("boom") }
+	resp, err := app.Test(httptest.NewRequest(http.MethodDelete, "/buckets/alpha", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- GrantBucketPermission ---
+
+func TestGrantBucketPermission_Success(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.AllowBucketKeyFn = func(_ context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+		if req.BucketID != "id-1" || req.AccessKeyID != "AKIA" {
+			t.Errorf("allow req = %+v", req)
+		}
+		if !req.Permissions.Read || !req.Permissions.Write || req.Permissions.Owner {
+			t.Errorf("allow perms = %+v", req.Permissions)
+		}
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.DenyBucketKeyFn = func(_ context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+		if req.BucketID != "id-1" || req.AccessKeyID != "AKIA" {
+			t.Errorf("deny req = %+v", req)
+		}
+		if req.Permissions.Read || req.Permissions.Write || !req.Permissions.Owner {
+			t.Errorf("deny perms = %+v", req.Permissions)
+		}
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	body, _ := json.Marshal(models.GrantBucketPermissionRequest{
+		AccessKeyID: "AKIA",
+		Permissions: models.BucketKeyPermission{Read: true, Write: true},
+	})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/alpha/permissions", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestGrantBucketPermission_MissingAccessKey400(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	body, _ := json.Marshal(map[string]any{"accessKeyId": "", "permissions": map[string]bool{"read": true}})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/alpha/permissions", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestGrantBucketPermission_BucketNotFound404(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return nil, nil
+	}
+	body, _ := json.Marshal(models.GrantBucketPermissionRequest{AccessKeyID: "AKIA"})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/missing/permissions", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("status = %d, want 404", resp.StatusCode)
+	}
+}
+
+// --- UpdateBucketWebsite ---
+
+func TestUpdateBucketWebsite_EnableWithIndexDocument(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, id string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.WebsiteAccess == nil || !req.WebsiteAccess.Enabled {
+			t.Errorf("WebsiteAccess = %+v", req.WebsiteAccess)
+		}
+		if req.WebsiteAccess.IndexDocument == nil || *req.WebsiteAccess.IndexDocument != "index.html" {
+			t.Errorf("IndexDocument = %v", req.WebsiteAccess.IndexDocument)
+		}
+		return &models.GarageBucketInfo{ID: id, WebsiteAccess: true}, nil
+	}
+	body, _ := json.Marshal(models.UpdateBucketWebsiteRequest{Enabled: true, IndexDocument: "index.html"})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/website", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketWebsite_EnableWithoutIndexDocumentReturns400(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	body, _ := json.Marshal(models.UpdateBucketWebsiteRequest{Enabled: true})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/website", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketWebsite_Disable(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, _ string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.WebsiteAccess == nil || req.WebsiteAccess.Enabled {
+			t.Errorf("expected Enabled=false, got %+v", req.WebsiteAccess)
+		}
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	body, _ := json.Marshal(models.UpdateBucketWebsiteRequest{Enabled: false})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/website", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_SetBoth(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, id string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.Quotas == nil {
+			t.Fatalf("Quotas = nil, want non-nil")
+		}
+		if req.Quotas.MaxSize == nil || *req.Quotas.MaxSize != 53687091200 {
+			t.Errorf("MaxSize = %v, want 53687091200", req.Quotas.MaxSize)
+		}
+		if req.Quotas.MaxObjects == nil || *req.Quotas.MaxObjects != 10000 {
+			t.Errorf("MaxObjects = %v, want 10000", req.Quotas.MaxObjects)
+		}
+		return &models.GarageBucketInfo{ID: id, Quotas: req.Quotas}, nil
+	}
+
+	maxSize := int64(53687091200)
+	maxObjects := int64(10000)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxSize: &maxSize, MaxObjects: &maxObjects})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_SetOnlyMaxSize(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, id string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.Quotas == nil {
+			t.Fatalf("Quotas = nil, want non-nil")
+		}
+		if req.Quotas.MaxSize == nil || *req.Quotas.MaxSize != 1024 {
+			t.Errorf("MaxSize = %v, want 1024", req.Quotas.MaxSize)
+		}
+		if req.Quotas.MaxObjects != nil {
+			t.Errorf("MaxObjects = %v, want nil", req.Quotas.MaxObjects)
+		}
+		return &models.GarageBucketInfo{ID: id, Quotas: req.Quotas}, nil
+	}
+
+	maxSize := int64(1024)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxSize: &maxSize})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_SetOnlyMaxObjects(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, id string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.Quotas == nil {
+			t.Fatalf("Quotas = nil, want non-nil")
+		}
+		if req.Quotas.MaxObjects == nil || *req.Quotas.MaxObjects != 500 {
+			t.Errorf("MaxObjects = %v, want 500", req.Quotas.MaxObjects)
+		}
+		if req.Quotas.MaxSize != nil {
+			t.Errorf("MaxSize = %v, want nil", req.Quotas.MaxSize)
+		}
+		return &models.GarageBucketInfo{ID: id, Quotas: req.Quotas}, nil
+	}
+
+	maxObjects := int64(500)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxObjects: &maxObjects})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_ClearBoth(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	admin.UpdateBucketFn = func(_ context.Context, id string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+		if req.Quotas == nil {
+			t.Fatalf("Quotas = nil, want non-nil (envelope must be present so service clears both)")
+		}
+		if req.Quotas.MaxSize != nil {
+			t.Errorf("MaxSize = %v, want nil", req.Quotas.MaxSize)
+		}
+		if req.Quotas.MaxObjects != nil {
+			t.Errorf("MaxObjects = %v, want nil", req.Quotas.MaxObjects)
+		}
+		return &models.GarageBucketInfo{ID: id}, nil
+	}
+
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_RejectsZeroMaxSize(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	zero := int64(0)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxSize: &zero})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_RejectsNegativeMaxObjects(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	neg := int64(-1)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxObjects: &neg})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_NotFound(t *testing.T) {
+	app, admin := newBucketsTestApp(t)
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return nil, nil
+	}
+	maxSize := int64(1024)
+	body, _ := json.Marshal(models.UpdateBucketQuotasRequest{MaxSize: &maxSize})
+	req := httptest.NewRequest(http.MethodPut, "/buckets/missing/quotas", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("status = %d, want 404", resp.StatusCode)
+	}
+}
+
+func TestUpdateBucketQuotas_MalformedJSONReturns400(t *testing.T) {
+	app, _ := newBucketsTestApp(t)
+	req := httptest.NewRequest(http.MethodPut, "/buckets/alpha/quotas", bytes.NewReader([]byte("{not json")))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}

backend/internal/handlers/capabilities.go

@@ -0,0 +1,27 @@
+package handlers
+
+import (
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+type CapabilitiesHandler struct {
+	apiVersion   string
+	capabilities services.Capabilities
+}
+
+func NewCapabilitiesHandler(apiVersion string, capabilities services.Capabilities) *CapabilitiesHandler {
+	return &CapabilitiesHandler{
+		apiVersion:   apiVersion,
+		capabilities: capabilities,
+	}
+}
+
+func (h *CapabilitiesHandler) GetCapabilities(c fiber.Ctx) error {
+	return c.JSON(models.SuccessResponse(fiber.Map{
+		"garageApiVersion": h.apiVersion,
+		"features":         h.capabilities,
+	}))
+}

backend/internal/handlers/capabilities_test.go

@@ -0,0 +1,78 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"Noooste/garage-ui/internal/services"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func TestCapabilities_V2(t *testing.T) {
+	app := fiber.New()
+	h := NewCapabilitiesHandler("v2", services.CapabilitiesV2())
+	app.Get("/capabilities", h.GetCapabilities)
+
+	req := httptest.NewRequest(http.MethodGet, "/capabilities", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+
+	var body struct {
+		Success bool `json:"success"`
+		Data    struct {
+			GarageApiVersion string              `json:"garageApiVersion"`
+			Features         services.Capabilities `json:"features"`
+		} `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatal(err)
+	}
+	if !body.Success {
+		t.Fatal("expected success=true")
+	}
+	if body.Data.GarageApiVersion != "v2" {
+		t.Errorf("garageApiVersion = %q, want v2", body.Data.GarageApiVersion)
+	}
+	if !body.Data.Features.ClusterStatistics || !body.Data.Features.NodeInfo || !body.Data.Features.NodeStatistics {
+		t.Errorf("features = %+v, want all true", body.Data.Features)
+	}
+}
+
+func TestCapabilities_V1(t *testing.T) {
+	app := fiber.New()
+	h := NewCapabilitiesHandler("v1", services.CapabilitiesV1())
+	app.Get("/capabilities", h.GetCapabilities)
+
+	req := httptest.NewRequest(http.MethodGet, "/capabilities", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+
+	var body struct {
+		Data struct {
+			GarageApiVersion string              `json:"garageApiVersion"`
+			Features         services.Capabilities `json:"features"`
+		} `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatal(err)
+	}
+	if body.Data.GarageApiVersion != "v1" {
+		t.Errorf("garageApiVersion = %q, want v1", body.Data.GarageApiVersion)
+	}
+	if body.Data.Features.ClusterStatistics || body.Data.Features.NodeInfo || body.Data.Features.NodeStatistics {
+		t.Errorf("features = %+v, want all false", body.Data.Features)
+	}
+}

backend/internal/handlers/cluster.go

@@ -1,19 +1,21 @@
 package handlers
 
 import (
+	"errors"
+
 	"Noooste/garage-ui/internal/models"
 	"Noooste/garage-ui/internal/services"
 
 	"github.com/gofiber/fiber/v3"
 )
 
-// ClusterHandler handles cluster management operations
+// ClusterHandler handles cluster-status HTTP requests.
 type ClusterHandler struct {
-	adminService *services.GarageAdminService
+	adminService services.AdminService
 }
 
-// NewClusterHandler creates a new cluster handler
-func NewClusterHandler(adminService *services.GarageAdminService) *ClusterHandler {
+// NewClusterHandler creates a new cluster handler.
+func NewClusterHandler(adminService services.AdminService) *ClusterHandler {
 	return &ClusterHandler{
 		adminService: adminService,
 	}
@@ -69,14 +71,17 @@ func (h *ClusterHandler) GetStatus(c fiber.Ctx) error {
 // GET /api/v1/cluster/statistics
 func (h *ClusterHandler) GetStatistics(c fiber.Ctx) error {
 	ctx := c.Context()
-
 	stats, err := h.adminService.GetClusterStatistics(ctx)
 	if err != nil {
+		if errors.Is(err, services.ErrUnsupported) {
+			return c.Status(fiber.StatusNotImplemented).JSON(
+				models.ErrorResponse(models.ErrCodeUnsupported, "This feature requires Garage v2.0+"),
+			)
+		}
 		return c.Status(fiber.StatusInternalServerError).JSON(
 			models.ErrorResponse(models.ErrCodeInternalError, "Failed to get cluster statistics: "+err.Error()),
 		)
 	}
-
 	return c.JSON(models.SuccessResponse(stats))
 }
 
@@ -95,20 +100,22 @@ func (h *ClusterHandler) GetStatistics(c fiber.Ctx) error {
 func (h *ClusterHandler) GetNodeInfo(c fiber.Ctx) error {
 	ctx := c.Context()
 	nodeID := c.Params("node_id")
-
 	if nodeID == "" {
 		return c.Status(fiber.StatusBadRequest).JSON(
 			models.ErrorResponse(models.ErrCodeBadRequest, "Node ID is required"),
 		)
 	}
-
 	info, err := h.adminService.GetNodeInfo(ctx, nodeID)
 	if err != nil {
+		if errors.Is(err, services.ErrUnsupported) {
+			return c.Status(fiber.StatusNotImplemented).JSON(
+				models.ErrorResponse(models.ErrCodeUnsupported, "This feature requires Garage v2.0+"),
+			)
+		}
 		return c.Status(fiber.StatusInternalServerError).JSON(
 			models.ErrorResponse(models.ErrCodeInternalError, "Failed to get node info: "+err.Error()),
 		)
 	}
-
 	return c.JSON(models.SuccessResponse(info))
 }
 
@@ -127,19 +134,21 @@ func (h *ClusterHandler) GetNodeInfo(c fiber.Ctx) error {
 func (h *ClusterHandler) GetNodeStatistics(c fiber.Ctx) error {
 	ctx := c.Context()
 	nodeID := c.Params("node_id")
-
 	if nodeID == "" {
 		return c.Status(fiber.StatusBadRequest).JSON(
 			models.ErrorResponse(models.ErrCodeBadRequest, "Node ID is required"),
 		)
 	}
-
 	stats, err := h.adminService.GetNodeStatistics(ctx, nodeID)
 	if err != nil {
+		if errors.Is(err, services.ErrUnsupported) {
+			return c.Status(fiber.StatusNotImplemented).JSON(
+				models.ErrorResponse(models.ErrCodeUnsupported, "This feature requires Garage v2.0+"),
+			)
+		}
 		return c.Status(fiber.StatusInternalServerError).JSON(
 			models.ErrorResponse(models.ErrCodeInternalError, "Failed to get node statistics: "+err.Error()),
 		)
 	}
-
 	return c.JSON(models.SuccessResponse(stats))
 }

backend/internal/handlers/cluster_test.go

@@ -0,0 +1,213 @@
+package handlers
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+	"Noooste/garage-ui/internal/services/mocks"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func newClusterTestApp(t *testing.T) (*fiber.App, *mocks.AdminMock) {
+	t.Helper()
+	admin := &mocks.AdminMock{}
+	h := NewClusterHandler(admin)
+	app := fiber.New()
+	app.Get("/cluster/health", h.GetHealth)
+	app.Get("/cluster/status", h.GetStatus)
+	app.Get("/cluster/statistics", h.GetStatistics)
+	app.Get("/cluster/nodes/:node_id", h.GetNodeInfo)
+	app.Get("/cluster/nodes/:node_id/statistics", h.GetNodeStatistics)
+	// Extra routes without a node_id param so we can exercise the empty-id gate.
+	// Fiber requires a bound param value, so we mount a path with an empty
+	// trailing segment explicitly via Locals.
+	app.Get("/cluster/nodes-empty", func(c fiber.Ctx) error {
+		// Set empty node_id in locals via a route that doesn't capture it.
+		return h.GetNodeInfo(c)
+	})
+	return app, admin
+}
+
+func doGet(t *testing.T, app *fiber.App, path string) *http.Response {
+	t.Helper()
+	req := httptest.NewRequest(http.MethodGet, path, nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test %s: %v", path, err)
+	}
+	return resp
+}
+
+func TestCluster_GetHealth_Success(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetClusterHealthFn = func(_ context.Context) (*models.ClusterHealth, error) {
+		return &models.ClusterHealth{Status: "healthy"}, nil
+	}
+	resp := doGet(t, app, "/cluster/health")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	var body struct {
+		Success bool                 `json:"success"`
+		Data    models.ClusterHealth `json:"data"`
+	}
+	_ = json.NewDecoder(resp.Body).Decode(&body)
+	if !body.Success || body.Data.Status != "healthy" {
+		t.Errorf("body = %+v", body)
+	}
+}
+
+func TestCluster_GetHealth_ServiceErrorReturns500(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetClusterHealthFn = func(_ context.Context) (*models.ClusterHealth, error) {
+		return nil, errors.New("upstream down")
+	}
+	resp := doGet(t, app, "/cluster/health")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetStatus_Success(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetClusterStatusFn = func(_ context.Context) (*models.ClusterStatus, error) {
+		return &models.ClusterStatus{}, nil
+	}
+	resp := doGet(t, app, "/cluster/status")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetStatus_ServiceErrorReturns500(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetClusterStatusFn = func(_ context.Context) (*models.ClusterStatus, error) {
+		return nil, errors.New("boom")
+	}
+	resp := doGet(t, app, "/cluster/status")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetStatistics_Success(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetClusterStatisticsFn = func(_ context.Context) (*models.ClusterStatistics, error) {
+		return &models.ClusterStatistics{}, nil
+	}
+	resp := doGet(t, app, "/cluster/statistics")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetStatistics_ServiceErrorReturns500(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetClusterStatisticsFn = func(_ context.Context) (*models.ClusterStatistics, error) {
+		return nil, errors.New("boom")
+	}
+	resp := doGet(t, app, "/cluster/statistics")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetStatistics_UnsupportedReturns501(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetClusterStatisticsFn = func(_ context.Context) (*models.ClusterStatistics, error) {
+		return nil, services.ErrUnsupported
+	}
+	resp := doGet(t, app, "/cluster/statistics")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotImplemented {
+		t.Fatalf("status = %d, want 501", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetNodeInfo_UnsupportedReturns501(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetNodeInfoFn = func(_ context.Context, _ string) (*models.MultiNodeResponse, error) {
+		return nil, services.ErrUnsupported
+	}
+	resp := doGet(t, app, "/cluster/nodes/n1")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotImplemented {
+		t.Fatalf("status = %d, want 501", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetNodeStatistics_UnsupportedReturns501(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetNodeStatisticsFn = func(_ context.Context, _ string) (*models.MultiNodeResponse, error) {
+		return nil, services.ErrUnsupported
+	}
+	resp := doGet(t, app, "/cluster/nodes/n1/statistics")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotImplemented {
+		t.Fatalf("status = %d, want 501", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetNodeInfo_Success(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetNodeInfoFn = func(_ context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+		if nodeID != "node-1" {
+			t.Errorf("nodeID = %q, want node-1", nodeID)
+		}
+		return &models.MultiNodeResponse{}, nil
+	}
+	resp := doGet(t, app, "/cluster/nodes/node-1")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetNodeInfo_ServiceErrorReturns500(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetNodeInfoFn = func(_ context.Context, _ string) (*models.MultiNodeResponse, error) {
+		return nil, errors.New("boom")
+	}
+	resp := doGet(t, app, "/cluster/nodes/n1")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetNodeStatistics_Success(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetNodeStatisticsFn = func(_ context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+		return &models.MultiNodeResponse{}, nil
+	}
+	resp := doGet(t, app, "/cluster/nodes/n1/statistics")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestCluster_GetNodeStatistics_ServiceErrorReturns500(t *testing.T) {
+	app, admin := newClusterTestApp(t)
+	admin.GetNodeStatisticsFn = func(_ context.Context, _ string) (*models.MultiNodeResponse, error) {
+		return nil, errors.New("boom")
+	}
+	resp := doGet(t, app, "/cluster/nodes/n1/statistics")
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}

backend/internal/handlers/health_test.go

@@ -0,0 +1,70 @@
+package handlers
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+// newHealthTestApp builds a bare Fiber app with the health endpoint mounted.
+func newHealthTestApp(t *testing.T, version string) *fiber.App {
+	t.Helper()
+	h := NewHealthHandler(version)
+	app := fiber.New()
+	app.Get("/health", h.Check)
+	return app
+}
+
+func TestHealthCheck_ReturnsHealthyEnvelope(t *testing.T) {
+	app := newHealthTestApp(t, "v0.0.0-test")
+	req := httptest.NewRequest(http.MethodGet, "/health", nil)
+
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		t.Fatalf("read body: %v", err)
+	}
+
+	var envelope struct {
+		Success bool `json:"success"`
+		Data    struct {
+			Status    string    `json:"status"`
+			Timestamp time.Time `json:"timestamp"`
+			Version   string    `json:"version"`
+		} `json:"data"`
+	}
+	if err := json.Unmarshal(body, &envelope); err != nil {
+		t.Fatalf("decode body: %v\n%s", err, body)
+	}
+
+	if !envelope.Success {
+		t.Error("success = false, want true")
+	}
+	if envelope.Data.Status != "healthy" {
+		t.Errorf("status = %q, want healthy", envelope.Data.Status)
+	}
+	if envelope.Data.Version != "v0.0.0-test" {
+		t.Errorf("version = %q, want v0.0.0-test", envelope.Data.Version)
+	}
+	if envelope.Data.Timestamp.IsZero() {
+		t.Error("timestamp zero")
+	}
+	// Timestamp must be within a reasonable window (1 minute) of now.
+	if d := time.Since(envelope.Data.Timestamp); d < 0 || d > time.Minute {
+		t.Errorf("timestamp delta = %v, want within 1 minute of now", d)
+	}
+}

backend/internal/handlers/monitoring.go

@@ -7,14 +7,14 @@ import (
 	"github.com/gofiber/fiber/v3"
 )
 
-// MonitoringHandler handles monitoring operations
+// MonitoringHandler handles metrics and dashboard HTTP requests.
 type MonitoringHandler struct {
-	adminService *services.GarageAdminService
-	s3Service    *services.S3Service
+	adminService services.AdminService
+	s3Service    services.S3Storage
 }
 
-// NewMonitoringHandler creates a new monitoring handler
-func NewMonitoringHandler(adminService *services.GarageAdminService, s3Service *services.S3Service) *MonitoringHandler {
+// NewMonitoringHandler creates a new monitoring handler.
+func NewMonitoringHandler(adminService services.AdminService, s3Service services.S3Storage) *MonitoringHandler {
 	return &MonitoringHandler{
 		adminService: adminService,
 		s3Service:    s3Service,

backend/internal/handlers/monitoring_test.go

@@ -0,0 +1,215 @@
+package handlers
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services/mocks"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func newMonitoringTestApp(t *testing.T) (*fiber.App, *mocks.AdminMock) {
+	t.Helper()
+	admin := &mocks.AdminMock{}
+	h := NewMonitoringHandler(admin, nil) // s3Service unused by this handler
+	app := fiber.New()
+	app.Get("/monitoring/metrics", h.GetMetrics)
+	app.Get("/monitoring/admin-health", h.CheckAdminHealth)
+	app.Get("/monitoring/dashboard", h.GetDashboardMetrics)
+	return app, admin
+}
+
+func TestMonitoring_GetMetrics_PassesThroughAsPlainText(t *testing.T) {
+	app, admin := newMonitoringTestApp(t)
+	admin.GetMetricsFn = func(_ context.Context) (string, error) {
+		return "# HELP foo\nfoo 1\n", nil
+	}
+	req := httptest.NewRequest(http.MethodGet, "/monitoring/metrics", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if ct := resp.Header.Get("Content-Type"); ct != "text/plain; charset=utf-8" {
+		t.Errorf("Content-Type = %q", ct)
+	}
+	b, _ := io.ReadAll(resp.Body)
+	if string(b) != "# HELP foo\nfoo 1\n" {
+		t.Errorf("body = %q", b)
+	}
+}
+
+func TestMonitoring_GetMetrics_ServiceErrorReturns500JSON(t *testing.T) {
+	app, admin := newMonitoringTestApp(t)
+	admin.GetMetricsFn = func(_ context.Context) (string, error) {
+		return "", errors.New("scrape failed")
+	}
+	req := httptest.NewRequest(http.MethodGet, "/monitoring/metrics", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+func TestMonitoring_CheckAdminHealth_Healthy(t *testing.T) {
+	app, admin := newMonitoringTestApp(t)
+	admin.HealthCheckFn = func(_ context.Context) error { return nil }
+	req := httptest.NewRequest(http.MethodGet, "/monitoring/admin-health", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	var body struct {
+		Success bool `json:"success"`
+		Data    struct {
+			Status  string `json:"status"`
+			Message string `json:"message"`
+		} `json:"data"`
+	}
+	_ = json.NewDecoder(resp.Body).Decode(&body)
+	if !body.Success || body.Data.Status != "healthy" {
+		t.Errorf("body = %+v", body)
+	}
+}
+
+func TestMonitoring_CheckAdminHealth_Unhealthy503(t *testing.T) {
+	app, admin := newMonitoringTestApp(t)
+	admin.HealthCheckFn = func(_ context.Context) error { return errors.New("down") }
+	req := httptest.NewRequest(http.MethodGet, "/monitoring/admin-health", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusServiceUnavailable {
+		t.Fatalf("status = %d, want 503", resp.StatusCode)
+	}
+}
+
+func TestMonitoring_GetDashboardMetrics_AggregatesSizesAndPercentages(t *testing.T) {
+	app, admin := newMonitoringTestApp(t)
+	admin.ListBucketsFn = func(_ context.Context) ([]models.ListBucketsResponseItem, error) {
+		return []models.ListBucketsResponseItem{
+			{ID: "b1", Created: time.Unix(0, 0), GlobalAliases: []string{"alpha"}},
+			{ID: "b2", Created: time.Unix(0, 0), GlobalAliases: []string{"beta"}},
+		}, nil
+	}
+	admin.GetBucketInfoFn = func(_ context.Context, id string) (*models.GarageBucketInfo, error) {
+		switch id {
+		case "b1":
+			return &models.GarageBucketInfo{ID: "b1", Bytes: 300, Objects: 3}, nil
+		case "b2":
+			return &models.GarageBucketInfo{ID: "b2", Bytes: 100, Objects: 1}, nil
+		}
+		return nil, errors.New("unexpected id: " + id)
+	}
+
+	req := httptest.NewRequest(http.MethodGet, "/monitoring/dashboard", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+
+	var body struct {
+		Data models.DashboardMetrics `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+
+	if body.Data.TotalSize != 400 {
+		t.Errorf("TotalSize = %d, want 400", body.Data.TotalSize)
+	}
+	if body.Data.ObjectCount != 4 {
+		t.Errorf("ObjectCount = %d, want 4", body.Data.ObjectCount)
+	}
+	if body.Data.BucketCount != 2 {
+		t.Errorf("BucketCount = %d, want 2", body.Data.BucketCount)
+	}
+	if len(body.Data.UsageByBucket) != 2 {
+		t.Fatalf("UsageByBucket len = %d, want 2", len(body.Data.UsageByBucket))
+	}
+	// Percentages: 300/400 = 75, 100/400 = 25.
+	for _, u := range body.Data.UsageByBucket {
+		if u.BucketName == "alpha" && u.Percentage != 75 {
+			t.Errorf("alpha pct = %v, want 75", u.Percentage)
+		}
+		if u.BucketName == "beta" && u.Percentage != 25 {
+			t.Errorf("beta pct = %v, want 25", u.Percentage)
+		}
+	}
+}
+
+func TestMonitoring_GetDashboardMetrics_SkipsInaccessibleBuckets(t *testing.T) {
+	app, admin := newMonitoringTestApp(t)
+	admin.ListBucketsFn = func(_ context.Context) ([]models.ListBucketsResponseItem, error) {
+		return []models.ListBucketsResponseItem{
+			{ID: "good", GlobalAliases: []string{"good"}},
+			{ID: "bad", GlobalAliases: []string{"bad"}},
+		}, nil
+	}
+	admin.GetBucketInfoFn = func(_ context.Context, id string) (*models.GarageBucketInfo, error) {
+		if id == "bad" {
+			return nil, errors.New("access denied")
+		}
+		return &models.GarageBucketInfo{ID: "good", Bytes: 10, Objects: 1}, nil
+	}
+	req := httptest.NewRequest(http.MethodGet, "/monitoring/dashboard", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	var body struct {
+		Data models.DashboardMetrics `json:"data"`
+	}
+	_ = json.NewDecoder(resp.Body).Decode(&body)
+	if body.Data.BucketCount != 2 {
+		t.Errorf("BucketCount = %d, want 2 (count includes inaccessible)", body.Data.BucketCount)
+	}
+	if len(body.Data.UsageByBucket) != 1 {
+		t.Errorf("UsageByBucket = %d, want 1 (inaccessible skipped)", len(body.Data.UsageByBucket))
+	}
+}
+
+func TestMonitoring_GetDashboardMetrics_ListBucketsErrorReturns500(t *testing.T) {
+	app, admin := newMonitoringTestApp(t)
+	admin.ListBucketsFn = func(_ context.Context) ([]models.ListBucketsResponseItem, error) {
+		return nil, errors.New("upstream")
+	}
+	req := httptest.NewRequest(http.MethodGet, "/monitoring/dashboard", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}

backend/internal/handlers/objects.go

@@ -1,8 +1,12 @@
 package handlers
 
 import (
+	"bufio"
 	"io"
+	"net/url"
+	"path"
 	"strconv"
+	"strings"
 	"time"
 
 	"Noooste/garage-ui/internal/models"
@@ -11,13 +15,66 @@ import (
 	"github.com/gofiber/fiber/v3"
 )
 
-// ObjectHandler handles object-related operations
-type ObjectHandler struct {
-	s3Service *services.S3Service
+// unsafeInlineContentTypes are MIME types that a browser can execute as
+// JavaScript in the response's origin when rendered inline. Since the SPA is
+// served from the same origin as the API, any uploader could otherwise plant
+// stored XSS by uploading a file with one of these Content-Types.
+var unsafeInlineContentTypes = map[string]struct{}{
+	"text/html":             {},
+	"application/xhtml+xml": {},
+	"image/svg+xml":         {},
+	"application/xml":       {},
+	"text/xml":              {},
+	"application/javascript": {},
+	"text/javascript":       {},
 }
 
-// NewObjectHandler creates a new object handler
-func NewObjectHandler(s3Service *services.S3Service) *ObjectHandler {
+// safeContentType rewrites Content-Types that the browser would treat as
+// executable to application/octet-stream.
+func safeContentType(ct string) string {
+	base := strings.TrimSpace(strings.ToLower(ct))
+	if i := strings.IndexByte(base, ';'); i >= 0 {
+		base = strings.TrimSpace(base[:i])
+	}
+	if _, bad := unsafeInlineContentTypes[base]; bad {
+		return "application/octet-stream"
+	}
+	return ct
+}
+
+// contentDispositionHeader builds an RFC 6266 / RFC 5987 Content-Disposition
+// header value with the user-controlled object key safely encoded. Strips
+// path components and control characters before emitting the ASCII fallback,
+// then appends the percent-encoded UTF-8 filename*= for full fidelity.
+func contentDispositionHeader(disposition, key string) string {
+	name := path.Base(key)
+	if name == "." || name == "/" || name == "" {
+		name = "download"
+	}
+	// ASCII-safe fallback: drop anything that could break the quoted value.
+	var asciiFallback strings.Builder
+	for _, r := range name {
+		if r < 0x20 || r == 0x7f || r == '"' || r == '\\' || r > 0x7e {
+			asciiFallback.WriteByte('_')
+			continue
+		}
+		asciiFallback.WriteRune(r)
+	}
+	fallback := asciiFallback.String()
+	if fallback == "" {
+		fallback = "download"
+	}
+	encoded := url.PathEscape(name)
+	return disposition + "; filename=\"" + fallback + "\"; filename*=UTF-8''" + encoded
+}
+
+// ObjectHandler handles object-related HTTP requests.
+type ObjectHandler struct {
+	s3Service services.S3Storage
+}
+
+// NewObjectHandler creates a new object handler.
+func NewObjectHandler(s3Service services.S3Storage) *ObjectHandler {
 	return &ObjectHandler{
 		s3Service: s3Service,
 	}
@@ -137,6 +194,58 @@ func (h *ObjectHandler) UploadObject(c fiber.Ctx) error {
 	return c.Status(fiber.StatusCreated).JSON(models.SuccessResponse(uploadResult))
 }
 
+// CreateDirectory creates an empty directory marker in a bucket.
+//
+//	@Summary		Create directory in bucket
+//	@Description	Creates a zero-byte object whose key ends with "/" so that S3 clients display it as an empty folder.
+//	@Tags			Objects
+//	@Accept			json
+//	@Produce		json
+//	@Param			bucket	path		string												true	"Name of the bucket"
+//	@Param			request	body		object{key=string}									true	"Directory key (must end with '/')"
+//	@Success		201		{object}	models.APIResponse{data=models.ObjectUploadResponse}	"Directory created"
+//	@Failure		400		{object}	models.APIResponse{error=models.APIError}			"Invalid request parameters"
+//	@Failure		500		{object}	models.APIResponse{error=models.APIError}			"Failed to create directory"
+//	@Router			/api/v1/buckets/{bucket}/directories [post]
+func (h *ObjectHandler) CreateDirectory(c fiber.Ctx) error {
+	ctx := c.Context()
+
+	bucketName := c.Params("bucket")
+	if bucketName == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Bucket name is required"),
+		)
+	}
+
+	var req struct {
+		Key string `json:"key"`
+	}
+	if err := c.Bind().JSON(&req); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Invalid request body: "+err.Error()),
+		)
+	}
+
+	key := strings.TrimLeft(req.Key, "/")
+	if key == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(
+			models.ErrorResponse(models.ErrCodeBadRequest, "Directory key is required"),
+		)
+	}
+	if !strings.HasSuffix(key, "/") {
+		key += "/"
+	}
+
+	result, err := h.s3Service.CreateDirectoryMarker(ctx, bucketName, key)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(
+			models.ErrorResponse(models.ErrCodeUploadFailed, "Failed to create directory: "+err.Error()),
+		)
+	}
+
+	return c.Status(fiber.StatusCreated).JSON(models.SuccessResponse(result))
+}
+
 // GetObject retrieves an object from a bucket
 //
 //	@Summary		Get object from bucket
@@ -176,21 +285,29 @@ func (h *ObjectHandler) GetObject(c fiber.Ctx) error {
 			models.ErrorResponse(models.ErrCodeObjectNotFound, "Object not found: "+err.Error()),
 		)
 	}
-	defer body.Close()
 
-	// Set response headers
-	c.Set("Content-Type", objectInfo.ContentType)
-	c.Set("Content-Length", string(rune(objectInfo.Size)))
+	// The uploader controls Content-Type. Rewrite executable MIME types to
+	// application/octet-stream and always disable sniffing so stored HTML/SVG
+	// cannot run as XSS in the SPA origin when fetched inline.
+	c.Set("Content-Type", safeContentType(objectInfo.ContentType))
+	c.Set("X-Content-Type-Options", "nosniff")
+	c.Set("Content-Length", strconv.FormatInt(objectInfo.Size, 10))
 	c.Set("ETag", objectInfo.ETag)
 	c.Set("Last-Modified", objectInfo.LastModified.Format(time.RFC1123))
 
-	// Check if client wants to download or view inline
+	// The object key is attacker-controlled — build the header via the safe
+	// RFC 6266 helper to avoid quote/semicolon injection into filename=.
+	disposition := "inline"
 	if c.Query("download") == "true" {
-		c.Set("Content-Disposition", "attachment; filename=\""+key+"\"")
+		disposition = "attachment"
 	}
+	c.Set("Content-Disposition", contentDispositionHeader(disposition, key))
 
-	// Stream the object body to the client
-	return c.SendStream(body)
+	// Stream the object body to the client without buffering the entire file
+	return c.SendStreamWriter(func(w *bufio.Writer) {
+		defer body.Close()
+		io.Copy(w, body)
+	})
 }
 
 // DeleteObject deletes an object from a bucket

backend/internal/handlers/objects_helpers_test.go

@@ -0,0 +1,103 @@
+package handlers
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestSafeContentType_RewritesExecutableTypes(t *testing.T) {
+	cases := []struct {
+		in, want string
+	}{
+		{"text/html", "application/octet-stream"},
+		{"text/html; charset=utf-8", "application/octet-stream"},
+		{"TEXT/HTML", "application/octet-stream"},
+		{"  text/html  ", "application/octet-stream"},
+		{"application/xhtml+xml", "application/octet-stream"},
+		{"image/svg+xml", "application/octet-stream"},
+		{"application/xml", "application/octet-stream"},
+		{"text/xml", "application/octet-stream"},
+		{"application/javascript", "application/octet-stream"},
+		{"text/javascript", "application/octet-stream"},
+		// Safe types pass through unchanged (including parameters).
+		{"image/png", "image/png"},
+		{"application/octet-stream", "application/octet-stream"},
+		{"text/plain; charset=utf-8", "text/plain; charset=utf-8"},
+		{"", ""},
+	}
+	for _, tc := range cases {
+		t.Run(tc.in, func(t *testing.T) {
+			if got := safeContentType(tc.in); got != tc.want {
+				t.Errorf("safeContentType(%q) = %q, want %q", tc.in, got, tc.want)
+			}
+		})
+	}
+}
+
+func TestContentDispositionHeader_StripsPathAndEscapes(t *testing.T) {
+	cases := []struct {
+		name       string
+		disp, key  string
+		mustContain []string
+		mustNotContain []string
+	}{
+		{
+			name: "simple filename",
+			disp: "inline", key: "photo.png",
+			mustContain: []string{
+				`inline; filename="photo.png"; filename*=UTF-8''photo.png`,
+			},
+		},
+		{
+			name: "path components stripped",
+			disp: "attachment", key: "a/b/c/file.txt",
+			mustContain: []string{`filename="file.txt"`, `filename*=UTF-8''file.txt`},
+			mustNotContain: []string{`a/b/c`},
+		},
+		{
+			name: "quote and backslash replaced in ASCII fallback",
+			disp: "inline", key: `"evil\name".txt`,
+			mustContain: []string{`filename="_evil_name_.txt"`},
+			mustNotContain: []string{`"evil`, `\name`},
+		},
+		{
+			name: "control character replaced",
+			disp: "inline", key: "line\nbreak.txt",
+			mustContain: []string{`filename="line_break.txt"`},
+		},
+		{
+			name: "non-ASCII preserved in filename* only",
+			disp: "inline", key: "漢字.txt",
+			mustContain: []string{
+				`filename*=UTF-8''`,
+				// fallback replaced every non-ASCII rune with _ (2 runes + .txt).
+				`filename="__.txt"`,
+			},
+		},
+		{
+			name: "empty key falls back to download",
+			disp: "inline", key: "",
+			mustContain: []string{`filename="download"`, `filename*=UTF-8''download`},
+		},
+		{
+			name: "key of only slashes falls back to download",
+			disp: "inline", key: "/",
+			mustContain: []string{`filename="download"`, `filename*=UTF-8''`},
+		},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			got := contentDispositionHeader(tc.disp, tc.key)
+			for _, sub := range tc.mustContain {
+				if !strings.Contains(got, sub) {
+					t.Errorf("got %q\nmust contain %q", got, sub)
+				}
+			}
+			for _, sub := range tc.mustNotContain {
+				if strings.Contains(got, sub) {
+					t.Errorf("got %q\nmust NOT contain %q", got, sub)
+				}
+			}
+		})
+	}
+}

backend/internal/handlers/objects_test.go

@@ -0,0 +1,866 @@
+package handlers
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+	"Noooste/garage-ui/internal/services/mocks"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func newObjectsTestApp(t *testing.T) (*fiber.App, *mocks.S3Mock) {
+	t.Helper()
+	s3 := &mocks.S3Mock{}
+	h := NewObjectHandler(s3)
+	app := fiber.New()
+	app.Get("/buckets/:bucket/objects", h.ListObjects)
+	app.Post("/buckets/:bucket/objects", h.UploadObject)
+	app.Post("/buckets/:bucket/directories", h.CreateDirectory)
+	app.Post("/buckets/:bucket/objects/upload-multiple", h.UploadMultipleObjects)
+	app.Post("/buckets/:bucket/objects/delete-multiple", h.DeleteMultipleObjects)
+	// Wildcard endpoints — mount under :key for tests. Handlers prefer
+	// c.Locals("objectKey") but fall back to c.Params("key"), so :key works.
+	app.Get("/buckets/:bucket/objects/:key", h.GetObject)
+	app.Get("/buckets/:bucket/objects/:key/metadata", h.GetObjectMetadata)
+	app.Get("/buckets/:bucket/objects/:key/presigned", h.GetPresignedURL)
+	app.Delete("/buckets/:bucket/objects/:key", h.DeleteObject)
+	return app, s3
+}
+
+// --- ListObjects ---
+
+func TestListObjects_Success(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ListObjectsFn = func(_ context.Context, bucket, prefix string, max int, tok string) (*models.ObjectListResponse, error) {
+		if bucket != "b1" || prefix != "p/" || max != 50 || tok != "T" {
+			t.Errorf("args = (%q, %q, %d, %q)", bucket, prefix, max, tok)
+		}
+		return &models.ObjectListResponse{
+			Bucket: bucket, Count: 1,
+			Objects: []models.ObjectInfo{{Key: "k1", Size: 1}},
+		}, nil
+	}
+	req := httptest.NewRequest(http.MethodGet, "/buckets/b1/objects?prefix=p/&max_keys=50&continuation_token=T", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+	var body struct {
+		Data models.ObjectListResponse `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &body)
+	if body.Data.Count != 1 {
+		t.Errorf("count = %d", body.Data.Count)
+	}
+}
+
+func TestListObjects_DefaultMaxKeys(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ListObjectsFn = func(_ context.Context, _, _ string, max int, _ string) (*models.ObjectListResponse, error) {
+		if max != 100 {
+			t.Errorf("max = %d, want default 100", max)
+		}
+		return &models.ObjectListResponse{}, nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestListObjects_InvalidMaxKeys400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	cases := []string{"0", "-1", "abc"}
+	for _, mk := range cases {
+		t.Run(mk, func(t *testing.T) {
+			resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects?max_keys="+mk, nil))
+			if err != nil {
+				t.Fatalf("app.Test: %v", err)
+			}
+			defer resp.Body.Close()
+			if resp.StatusCode != http.StatusBadRequest {
+				t.Fatalf("status = %d, want 400", resp.StatusCode)
+			}
+		})
+	}
+}
+
+func TestListObjects_ServiceError500(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ListObjectsFn = func(_ context.Context, _, _ string, _ int, _ string) (*models.ObjectListResponse, error) {
+		return nil, errors.New("boom")
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- GetObjectMetadata ---
+
+func TestGetObjectMetadata_Success(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.GetObjectMetadataFn = func(_ context.Context, b, k string) (*models.ObjectInfo, error) {
+		return &models.ObjectInfo{Key: k, Size: 42, ContentType: "image/png"}, nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/k1/metadata", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+	var body struct {
+		Data models.ObjectInfo `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &body)
+	if body.Data.Size != 42 {
+		t.Errorf("size = %d", body.Data.Size)
+	}
+}
+
+func TestGetObjectMetadata_NotFound404(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.GetObjectMetadataFn = func(_ context.Context, _, _ string) (*models.ObjectInfo, error) {
+		return nil, errors.New("not found")
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/nope/metadata", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("status = %d, want 404", resp.StatusCode)
+	}
+}
+
+// --- DeleteObject ---
+
+func TestDeleteObject_Success(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return true, nil }
+	s3.DeleteObjectFn = func(_ context.Context, b, k string) error {
+		if b != "b1" || k != "k1" {
+			t.Errorf("args = (%q, %q)", b, k)
+		}
+		return nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodDelete, "/buckets/b1/objects/k1", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestDeleteObject_NotExists404(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return false, nil }
+	resp, err := app.Test(httptest.NewRequest(http.MethodDelete, "/buckets/b1/objects/nope", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("status = %d, want 404", resp.StatusCode)
+	}
+}
+
+func TestDeleteObject_ExistsCheckError500(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return false, errors.New("boom") }
+	resp, err := app.Test(httptest.NewRequest(http.MethodDelete, "/buckets/b1/objects/k1", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+func TestDeleteObject_DeleteError500(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return true, nil }
+	s3.DeleteObjectFn = func(_ context.Context, _, _ string) error { return errors.New("boom") }
+	resp, err := app.Test(httptest.NewRequest(http.MethodDelete, "/buckets/b1/objects/k1", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- GetPresignedURL ---
+
+func TestGetPresignedURL_DefaultExpiration(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return true, nil }
+	s3.GetPresignedURLFn = func(_ context.Context, b, k string, exp time.Duration) (string, error) {
+		if exp != 3600*time.Second {
+			t.Errorf("exp = %v, want 1h", exp)
+		}
+		return "https://example/signed", nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/k1/presigned", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+	var body struct {
+		Data models.PresignedURLResponse `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &body)
+	if body.Data.URL != "https://example/signed" || body.Data.ExpiresIn != 3600 {
+		t.Errorf("body = %+v", body.Data)
+	}
+}
+
+func TestGetPresignedURL_CustomExpirationWithinRange(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return true, nil }
+	s3.GetPresignedURLFn = func(_ context.Context, _, _ string, exp time.Duration) (string, error) {
+		if exp != 60*time.Second {
+			t.Errorf("exp = %v, want 60s", exp)
+		}
+		return "u", nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/k1/presigned?expires_in=60", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestGetPresignedURL_InvalidExpiration400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	cases := []string{"0", "-1", "604801", "abc"}
+	for _, val := range cases {
+		t.Run(val, func(t *testing.T) {
+			resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/k1/presigned?expires_in="+val, nil))
+			if err != nil {
+				t.Fatalf("app.Test: %v", err)
+			}
+			defer resp.Body.Close()
+			if resp.StatusCode != http.StatusBadRequest {
+				t.Fatalf("status = %d, want 400", resp.StatusCode)
+			}
+		})
+	}
+}
+
+func TestGetPresignedURL_ObjectMissing404(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return false, nil }
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/nope/presigned", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("status = %d, want 404", resp.StatusCode)
+	}
+}
+
+// --- GetObject ---
+
+func TestGetObject_Success_StreamsBodyAndHeaders(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	content := []byte("hello world")
+	s3.GetObjectFn = func(_ context.Context, b, k string) (io.ReadCloser, *models.ObjectInfo, error) {
+		return io.NopCloser(bytes.NewReader(content)), &models.ObjectInfo{
+			Key: k, Size: int64(len(content)), ETag: `"etag-1"`,
+			ContentType: "image/png", LastModified: time.Date(2026, 4, 1, 12, 0, 0, 0, time.UTC),
+		}, nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/k1", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+	if got := resp.Header.Get("Content-Type"); got != "image/png" {
+		t.Errorf("Content-Type = %q", got)
+	}
+	if got := resp.Header.Get("X-Content-Type-Options"); got != "nosniff" {
+		t.Errorf("X-Content-Type-Options = %q", got)
+	}
+	if !strings.Contains(resp.Header.Get("Content-Disposition"), `filename="k1"`) {
+		t.Errorf("Content-Disposition = %q", resp.Header.Get("Content-Disposition"))
+	}
+	body, _ := io.ReadAll(resp.Body)
+	if !bytes.Equal(body, content) {
+		t.Errorf("body = %q, want %q", body, content)
+	}
+}
+
+func TestGetObject_RewritesExecutableContentType(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.GetObjectFn = func(_ context.Context, _, _ string) (io.ReadCloser, *models.ObjectInfo, error) {
+		return io.NopCloser(strings.NewReader("<script>alert(1)</script>")),
+			&models.ObjectInfo{Key: "evil.html", Size: 25, ContentType: "text/html"},
+			nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/evil.html", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if got := resp.Header.Get("Content-Type"); got != "application/octet-stream" {
+		t.Errorf("Content-Type = %q, want application/octet-stream", got)
+	}
+}
+
+func TestGetObject_DownloadQuerySetsAttachment(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.GetObjectFn = func(_ context.Context, _, _ string) (io.ReadCloser, *models.ObjectInfo, error) {
+		return io.NopCloser(strings.NewReader("x")), &models.ObjectInfo{Key: "file.txt", Size: 1}, nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/file.txt?download=true", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if !strings.HasPrefix(resp.Header.Get("Content-Disposition"), "attachment") {
+		t.Errorf("Content-Disposition = %q, want attachment", resp.Header.Get("Content-Disposition"))
+	}
+}
+
+func TestGetObject_ServiceErrorReturns404(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.GetObjectFn = func(_ context.Context, _, _ string) (io.ReadCloser, *models.ObjectInfo, error) {
+		return nil, nil, errors.New("not found")
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects/nope", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusNotFound {
+		t.Fatalf("status = %d, want 404", resp.StatusCode)
+	}
+}
+
+// buildMultipart builds a multipart body with a single file field plus
+// optional additional form fields. Returns body bytes and the Content-Type
+// header value (which includes the boundary).
+func buildMultipart(t *testing.T, fields map[string]string, files map[string]struct {
+	Filename    string
+	Content     []byte
+	ContentType string
+}) ([]byte, string) {
+	t.Helper()
+	buf := &bytes.Buffer{}
+	w := multipart.NewWriter(buf)
+	for k, v := range fields {
+		if err := w.WriteField(k, v); err != nil {
+			t.Fatalf("WriteField: %v", err)
+		}
+	}
+	for name, f := range files {
+		h := make(map[string][]string)
+		h["Content-Disposition"] = []string{
+			`form-data; name="` + name + `"; filename="` + f.Filename + `"`,
+		}
+		ct := f.ContentType
+		if ct == "" {
+			ct = "application/octet-stream"
+		}
+		h["Content-Type"] = []string{ct}
+		part, err := w.CreatePart(h)
+		if err != nil {
+			t.Fatalf("CreatePart: %v", err)
+		}
+		if _, err := part.Write(f.Content); err != nil {
+			t.Fatalf("part.Write: %v", err)
+		}
+	}
+	if err := w.Close(); err != nil {
+		t.Fatalf("writer.Close: %v", err)
+	}
+	return buf.Bytes(), w.FormDataContentType()
+}
+
+func TestUploadObject_Success(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.UploadObjectFn = func(_ context.Context, bucket, key string, body io.Reader, ct string) (*models.ObjectUploadResponse, error) {
+		if bucket != "b1" || key != "myfile.bin" {
+			t.Errorf("args = (%q, %q)", bucket, key)
+		}
+		if ct != "application/octet-stream" {
+			t.Errorf("contentType = %q", ct)
+		}
+		b, _ := io.ReadAll(body)
+		if string(b) != "payload" {
+			t.Errorf("body = %q, want 'payload'", b)
+		}
+		return &models.ObjectUploadResponse{Bucket: bucket, Key: key, Size: int64(len(b))}, nil
+	}
+	body, ct := buildMultipart(t, nil, map[string]struct {
+		Filename    string
+		Content     []byte
+		ContentType string
+	}{
+		"file": {Filename: "myfile.bin", Content: []byte("payload")},
+	})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects", bytes.NewReader(body))
+	req.Header.Set("Content-Type", ct)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		raw, _ := io.ReadAll(resp.Body)
+		t.Fatalf("status = %d, want 201\nbody: %s", resp.StatusCode, raw)
+	}
+}
+
+func TestUploadObject_ExplicitKeyOverridesFilename(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.UploadObjectFn = func(_ context.Context, _, key string, _ io.Reader, _ string) (*models.ObjectUploadResponse, error) {
+		if key != "custom/key.txt" {
+			t.Errorf("key = %q, want custom/key.txt", key)
+		}
+		return &models.ObjectUploadResponse{Key: key}, nil
+	}
+	body, ct := buildMultipart(t, map[string]string{"key": "custom/key.txt"}, map[string]struct {
+		Filename    string
+		Content     []byte
+		ContentType string
+	}{
+		"file": {Filename: "whatever.txt", Content: []byte("x")},
+	})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects", bytes.NewReader(body))
+	req.Header.Set("Content-Type", ct)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestUploadObject_MissingFileReturns400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	body, ct := buildMultipart(t, map[string]string{"key": "k"}, nil)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects", bytes.NewReader(body))
+	req.Header.Set("Content-Type", ct)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestUploadObject_ServiceError500(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.UploadObjectFn = func(_ context.Context, _, _ string, _ io.Reader, _ string) (*models.ObjectUploadResponse, error) {
+		return nil, errors.New("boom")
+	}
+	body, ct := buildMultipart(t, nil, map[string]struct {
+		Filename    string
+		Content     []byte
+		ContentType string
+	}{"file": {Filename: "f.bin", Content: []byte("x")}})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects", bytes.NewReader(body))
+	req.Header.Set("Content-Type", ct)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+func TestDeleteMultipleObjects_Success(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.DeleteMultipleObjectsFn = func(_ context.Context, bucket string, keys []string) error {
+		if bucket != "b1" || len(keys) != 3 {
+			t.Errorf("args = (%q, %v)", bucket, keys)
+		}
+		return nil
+	}
+	body, _ := json.Marshal(map[string]any{"keys": []string{"a", "b", "c"}})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects/delete-multiple", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+	var out struct {
+		Data models.ObjectDeleteMultipleResponse `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &out)
+	if out.Data.Deleted != 3 {
+		t.Errorf("Deleted = %d, want 3", out.Data.Deleted)
+	}
+}
+
+func TestDeleteMultipleObjects_EmptyKeys400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	body, _ := json.Marshal(map[string]any{"keys": []string{}})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects/delete-multiple", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestDeleteMultipleObjects_MalformedJSON400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects/delete-multiple", strings.NewReader("{not-json"))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestDeleteMultipleObjects_ServiceError500(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.DeleteMultipleObjectsFn = func(_ context.Context, _ string, _ []string) error { return errors.New("boom") }
+	body, _ := json.Marshal(map[string]any{"keys": []string{"a"}})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects/delete-multiple", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+// buildMultipartMulti builds a body with N "files" parts.
+func buildMultipartMulti(t *testing.T, files []struct {
+	Filename, ContentType string
+	Content               []byte
+}) ([]byte, string) {
+	t.Helper()
+	buf := &bytes.Buffer{}
+	w := multipart.NewWriter(buf)
+	for _, f := range files {
+		h := map[string][]string{
+			"Content-Disposition": {`form-data; name="files"; filename="` + f.Filename + `"`},
+			"Content-Type":        {f.ContentType},
+		}
+		part, err := w.CreatePart(h)
+		if err != nil {
+			t.Fatalf("CreatePart: %v", err)
+		}
+		_, _ = part.Write(f.Content)
+	}
+	_ = w.Close()
+	return buf.Bytes(), w.FormDataContentType()
+}
+
+func TestUploadMultiple_AllSuccess201(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.UploadMultipleObjectsFn = func(_ context.Context, bucket string, files []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}) []services.UploadResult {
+		if bucket != "b1" || len(files) != 2 {
+			t.Errorf("got bucket=%q files=%d", bucket, len(files))
+		}
+		out := make([]services.UploadResult, len(files))
+		for i, f := range files {
+			out[i] = services.UploadResult{Key: f.Key, Success: true, ContentType: f.ContentType, Size: 1}
+		}
+		return out
+	}
+	body, ct := buildMultipartMulti(t, []struct {
+		Filename, ContentType string
+		Content               []byte
+	}{
+		{"a.txt", "text/plain", []byte("a")},
+		{"b.txt", "text/plain", []byte("b")},
+	})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects/upload-multiple", bytes.NewReader(body))
+	req.Header.Set("Content-Type", ct)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		raw, _ := io.ReadAll(resp.Body)
+		t.Fatalf("status = %d, want 201\nbody: %s", resp.StatusCode, raw)
+	}
+	var out struct {
+		Data models.ObjectUploadMultipleResponse `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &out)
+	if out.Data.SuccessCount != 2 || out.Data.FailureCount != 0 {
+		t.Errorf("counts = (%d, %d)", out.Data.SuccessCount, out.Data.FailureCount)
+	}
+}
+
+func TestUploadMultiple_PartialReturns207(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.UploadMultipleObjectsFn = func(_ context.Context, _ string, files []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}) []services.UploadResult {
+		return []services.UploadResult{
+			{Key: files[0].Key, Success: true, Size: 1, ContentType: files[0].ContentType},
+			{Key: files[1].Key, Success: false, Error: errors.New("upload failed"), ContentType: files[1].ContentType},
+		}
+	}
+	body, ct := buildMultipartMulti(t, []struct {
+		Filename, ContentType string
+		Content               []byte
+	}{
+		{"a.txt", "text/plain", []byte("a")},
+		{"b.txt", "text/plain", []byte("b")},
+	})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects/upload-multiple", bytes.NewReader(body))
+	req.Header.Set("Content-Type", ct)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusMultiStatus {
+		t.Fatalf("status = %d, want 207", resp.StatusCode)
+	}
+}
+
+func TestUploadMultiple_AllFailReturns500(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.UploadMultipleObjectsFn = func(_ context.Context, _ string, files []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}) []services.UploadResult {
+		out := make([]services.UploadResult, len(files))
+		for i, f := range files {
+			out[i] = services.UploadResult{Key: f.Key, Success: false, Error: errors.New("boom")}
+		}
+		return out
+	}
+	body, ct := buildMultipartMulti(t, []struct {
+		Filename, ContentType string
+		Content               []byte
+	}{{"a.txt", "text/plain", []byte("a")}})
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects/upload-multiple", bytes.NewReader(body))
+	req.Header.Set("Content-Type", ct)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+func TestUploadMultiple_NoFiles400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	body, ct := buildMultipartMulti(t, nil)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects/upload-multiple", bytes.NewReader(body))
+	req.Header.Set("Content-Type", ct)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestUploadMultiple_DefaultsContentType(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.UploadMultipleObjectsFn = func(_ context.Context, _ string, files []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}) []services.UploadResult {
+		if files[0].ContentType != "application/octet-stream" {
+			t.Errorf("ContentType = %q, want default application/octet-stream", files[0].ContentType)
+		}
+		return []services.UploadResult{{Key: files[0].Key, Success: true}}
+	}
+	// Write a part with an empty Content-Type header explicitly.
+	buf := &bytes.Buffer{}
+	w := multipart.NewWriter(buf)
+	part, err := w.CreatePart(map[string][]string{
+		"Content-Disposition": {`form-data; name="files"; filename="a.txt"`},
+		"Content-Type":        {""},
+	})
+	if err != nil {
+		t.Fatalf("CreatePart: %v", err)
+	}
+	_, _ = part.Write([]byte("x"))
+	_ = w.Close()
+
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/objects/upload-multiple", bytes.NewReader(buf.Bytes()))
+	req.Header.Set("Content-Type", w.FormDataContentType())
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		t.Fatalf("status = %d, want 201", resp.StatusCode)
+	}
+}
+
+// --- CreateDirectory ---
+
+func TestCreateDirectory_Success_AppendsTrailingSlash(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	var gotKey string
+	s3.CreateDirectoryMarkerFn = func(_ context.Context, bucket, key string) (*models.ObjectUploadResponse, error) {
+		gotKey = key
+		return &models.ObjectUploadResponse{Bucket: bucket, Key: key, Size: 0, ContentType: "application/x-directory"}, nil
+	}
+
+	body := bytes.NewBufferString(`{"key": "photos/2024"}`)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", body)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		t.Fatalf("status = %d, want 201", resp.StatusCode)
+	}
+	if gotKey != "photos/2024/" {
+		t.Errorf("service key = %q, want trailing slash appended", gotKey)
+	}
+}
+
+func TestCreateDirectory_StripsLeadingSlashes(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	var gotKey string
+	s3.CreateDirectoryMarkerFn = func(_ context.Context, _, key string) (*models.ObjectUploadResponse, error) {
+		gotKey = key
+		return &models.ObjectUploadResponse{Key: key}, nil
+	}
+
+	body := bytes.NewBufferString(`{"key": "///already/"}`)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", body)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		t.Fatalf("status = %d, want 201", resp.StatusCode)
+	}
+	if gotKey != "already/" {
+		t.Errorf("service key = %q, want 'already/'", gotKey)
+	}
+}
+
+func TestCreateDirectory_MissingKey400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	body := bytes.NewBufferString(`{"key": ""}`)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", body)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestCreateDirectory_MalformedJSON400(t *testing.T) {
+	app, _ := newObjectsTestApp(t)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", bytes.NewBufferString("not json"))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestCreateDirectory_ServiceError500(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.CreateDirectoryMarkerFn = func(_ context.Context, _, _ string) (*models.ObjectUploadResponse, error) {
+		return nil, errors.New("boom")
+	}
+	body := bytes.NewBufferString(`{"key": "x/"}`)
+	req := httptest.NewRequest(http.MethodPost, "/buckets/b1/directories", body)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}

backend/internal/handlers/users.go

@@ -9,13 +9,13 @@ import (
 	"github.com/gofiber/fiber/v3"
 )
 
-// UserHandler handles user/key management operations using Garage Admin API
+// UserHandler handles user and access key HTTP requests.
 type UserHandler struct {
-	adminService *services.GarageAdminService
+	adminService services.AdminService
 }
 
-// NewUserHandler creates a new user handler
-func NewUserHandler(adminService *services.GarageAdminService) *UserHandler {
+// NewUserHandler creates a new user handler.
+func NewUserHandler(adminService services.AdminService) *UserHandler {
 	return &UserHandler{
 		adminService: adminService,
 	}

backend/internal/handlers/users_test.go

@@ -0,0 +1,367 @@
+package handlers
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services/mocks"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func newUsersTestApp(t *testing.T) (*fiber.App, *mocks.AdminMock) {
+	t.Helper()
+	admin := &mocks.AdminMock{}
+	h := NewUserHandler(admin)
+	app := fiber.New()
+	app.Get("/users", h.ListUsers)
+	app.Post("/users", h.CreateUser)
+	app.Get("/users/:access_key", h.GetUser)
+	app.Get("/users/:access_key/secret", h.GetUserSecretKey)
+	app.Delete("/users/:access_key", h.DeleteUser)
+	app.Patch("/users/:access_key", h.UpdateUserPermissions)
+	return app, admin
+}
+
+// --- ListUsers ---
+
+func TestListUsers_MapsAndSkipsFailed(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.ListKeysFn = func(_ context.Context) ([]models.ListKeysResponseItem, error) {
+		return []models.ListKeysResponseItem{
+			{ID: "AKIA-1", Name: "one"},
+			{ID: "AKIA-2", Name: "bad-detail"},
+			{ID: "AKIA-3", Name: "three"},
+		}, nil
+	}
+	admin.GetKeyInfoFn = func(_ context.Context, id string, showSecret bool) (*models.GarageKeyInfo, error) {
+		if showSecret {
+			t.Error("ListUsers must not request secret")
+		}
+		if id == "AKIA-2" {
+			return nil, errors.New("forbidden")
+		}
+		return &models.GarageKeyInfo{AccessKeyID: id, Name: id, Expired: false}, nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/users", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+	var body struct {
+		Data models.UserListResponse `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &body)
+	if body.Data.Count != 2 {
+		t.Errorf("count = %d, want 2 (failed detail skipped)", body.Data.Count)
+	}
+}
+
+func TestListUsers_ListError500(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.ListKeysFn = func(_ context.Context) ([]models.ListKeysResponseItem, error) {
+		return nil, errors.New("boom")
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/users", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- CreateUser ---
+
+func TestCreateUser_Success201(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.CreateKeyFn = func(_ context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error) {
+		if req.Name == nil || *req.Name != "alice" {
+			t.Errorf("Name = %v", req.Name)
+		}
+		sk := "secret-xyz"
+		return &models.GarageKeyInfo{AccessKeyID: "AKIA-1", Name: "alice", SecretAccessKey: &sk}, nil
+	}
+	body, _ := json.Marshal(models.CreateUserRequest{Name: "alice"})
+	req := httptest.NewRequest(http.MethodPost, "/users", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusCreated {
+		t.Fatalf("status = %d, want 201", resp.StatusCode)
+	}
+	var decoded struct {
+		Data models.UserInfo `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &decoded)
+	if decoded.Data.SecretKey == nil || *decoded.Data.SecretKey != "secret-xyz" {
+		t.Errorf("SecretKey = %v, want secret-xyz", decoded.Data.SecretKey)
+	}
+}
+
+func TestCreateUser_MalformedJSON400(t *testing.T) {
+	app, _ := newUsersTestApp(t)
+	req := httptest.NewRequest(http.MethodPost, "/users", strings.NewReader("{not-json"))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestCreateUser_AdminError500(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.CreateKeyFn = func(_ context.Context, _ models.CreateKeyRequest) (*models.GarageKeyInfo, error) {
+		return nil, errors.New("boom")
+	}
+	body, _ := json.Marshal(models.CreateUserRequest{})
+	req := httptest.NewRequest(http.MethodPost, "/users", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- GetUser ---
+
+func TestGetUser_Success(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.GetKeyInfoFn = func(_ context.Context, id string, showSecret bool) (*models.GarageKeyInfo, error) {
+		if showSecret {
+			t.Error("GetUser must not request secret")
+		}
+		return &models.GarageKeyInfo{AccessKeyID: id, Name: "alice"}, nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/users/AKIA-1", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestGetUser_ServiceError500(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.GetKeyInfoFn = func(_ context.Context, _ string, _ bool) (*models.GarageKeyInfo, error) {
+		return nil, errors.New("boom")
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/users/AKIA-1", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- GetUserSecretKey ---
+
+func TestGetUserSecretKey_Success(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.GetKeyInfoFn = func(_ context.Context, id string, showSecret bool) (*models.GarageKeyInfo, error) {
+		if !showSecret {
+			t.Error("GetUserSecretKey must request secret")
+		}
+		sk := "s3cr3t"
+		return &models.GarageKeyInfo{AccessKeyID: id, SecretAccessKey: &sk}, nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/users/AKIA-1/secret", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+	var body struct {
+		Data map[string]string `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &body)
+	if body.Data["secretKey"] != "s3cr3t" {
+		t.Errorf("secretKey = %q", body.Data["secretKey"])
+	}
+}
+
+// --- DeleteUser ---
+
+func TestDeleteUser_Success(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.DeleteKeyFn = func(_ context.Context, id string) error {
+		if id != "AKIA-1" {
+			t.Errorf("id = %q", id)
+		}
+		return nil
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodDelete, "/users/AKIA-1", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestDeleteUser_ServiceError500(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.DeleteKeyFn = func(_ context.Context, _ string) error { return errors.New("boom") }
+	resp, err := app.Test(httptest.NewRequest(http.MethodDelete, "/users/AKIA-1", nil))
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}
+
+// --- UpdateUserPermissions ---
+
+func TestUpdateUser_StatusInactiveSetsPastExpiration(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.UpdateKeyFn = func(_ context.Context, _ string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
+		if req.NeverExpires {
+			t.Error("NeverExpires should be false when deactivating")
+		}
+		if req.Expiration == nil || !req.Expiration.Before(time.Now()) {
+			t.Errorf("Expiration = %v, want past time", req.Expiration)
+		}
+		return &models.GarageKeyInfo{}, nil
+	}
+	status := "inactive"
+	body, _ := json.Marshal(models.UpdateUserRequest{Status: &status})
+	req := httptest.NewRequest(http.MethodPatch, "/users/AKIA-1", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestUpdateUser_StatusActiveSetsNeverExpires(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.UpdateKeyFn = func(_ context.Context, _ string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
+		if !req.NeverExpires {
+			t.Error("NeverExpires should be true when activating")
+		}
+		return &models.GarageKeyInfo{}, nil
+	}
+	status := "active"
+	body, _ := json.Marshal(models.UpdateUserRequest{Status: &status})
+	req := httptest.NewRequest(http.MethodPatch, "/users/AKIA-1", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestUpdateUser_ExplicitExpiration(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	wantTime, _ := time.Parse(time.RFC3339, "2030-01-02T03:04:05Z")
+	admin.UpdateKeyFn = func(_ context.Context, _ string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
+		if req.Expiration == nil || !req.Expiration.Equal(wantTime) {
+			t.Errorf("Expiration = %v, want %v", req.Expiration, wantTime)
+		}
+		if req.NeverExpires {
+			t.Error("NeverExpires should be false with explicit expiration")
+		}
+		return &models.GarageKeyInfo{}, nil
+	}
+	exp := "2030-01-02T03:04:05Z"
+	body, _ := json.Marshal(models.UpdateUserRequest{Expiration: &exp})
+	req := httptest.NewRequest(http.MethodPatch, "/users/AKIA-1", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d", resp.StatusCode)
+	}
+}
+
+func TestUpdateUser_BadExpirationFormat400(t *testing.T) {
+	app, _ := newUsersTestApp(t)
+	exp := "not-a-date"
+	body, _ := json.Marshal(models.UpdateUserRequest{Expiration: &exp})
+	req := httptest.NewRequest(http.MethodPatch, "/users/AKIA-1", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestUpdateUser_MalformedJSON400(t *testing.T) {
+	app, _ := newUsersTestApp(t)
+	req := httptest.NewRequest(http.MethodPatch, "/users/AKIA-1", strings.NewReader("{not-json"))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("status = %d, want 400", resp.StatusCode)
+	}
+}
+
+func TestUpdateUser_AdminError500(t *testing.T) {
+	app, admin := newUsersTestApp(t)
+	admin.UpdateKeyFn = func(_ context.Context, _ string, _ models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
+		return nil, errors.New("boom")
+	}
+	status := "active"
+	body, _ := json.Marshal(models.UpdateUserRequest{Status: &status})
+	req := httptest.NewRequest(http.MethodPatch, "/users/AKIA-1", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusInternalServerError {
+		t.Fatalf("status = %d, want 500", resp.StatusCode)
+	}
+}

backend/internal/middleware/auth.go

@@ -1,101 +1,99 @@
 package middleware
 
 import (
+	"strings"
+
 	"Noooste/garage-ui/internal/auth"
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/models"
+	logpkg "Noooste/garage-ui/pkg/logger"
 
 	"github.com/gofiber/fiber/v3"
 )
 
-// AuthMiddleware supports admin and OIDC authentication
-func AuthMiddleware(cfg *config.AuthConfig, authService *auth.AuthService) fiber.Handler {
+// AuthMiddleware supports admin and OIDC authentication. On success it
+// enriches the per-request logger (stored in c.Context() by the Logging
+// middleware) with user_id and auth_method so downstream service log lines
+// carry user identity. On failure it emits a warn log with the auth_method
+// tried and a reason — never the token value.
+func AuthMiddleware(cfg *config.AuthConfig, authService *auth.Service) fiber.Handler {
 	return func(c fiber.Ctx) error {
-		// If no auth is enabled, allow all requests
-		if !cfg.Admin.Enabled && !cfg.OIDC.Enabled {
+		// If no auth is enabled, allow all requests.
+		if !cfg.Admin.Enabled && !cfg.OIDC.Enabled && !cfg.Token.Enabled {
 			return c.Next()
 		}
 
-		// Get Authorization header
 		authHeader := c.Get("Authorization")
 
-		// Try admin auth if enabled and header is present
-		if cfg.Admin.Enabled && authHeader != "" {
-			// Check if it's a Bearer token (JWT from admin login)
+		// Try bearer token auth (works for admin, token, or any JWT session)
+		if (cfg.Admin.Enabled || cfg.Token.Enabled) && authHeader != "" {
 			if len(authHeader) > 7 && authHeader[:7] == "Bearer " {
 				token := authHeader[7:]
-
-				// Validate JWT session token
 				userInfo, err := authService.ValidateSessionToken(token)
 				if err == nil {
-					// Valid admin token
 					c.Locals("userInfo", userInfo)
 					c.Locals("username", userInfo.Username)
 					if userInfo.Email != "" {
 						c.Locals("email", userInfo.Email)
 					}
+					enrichRequestLogger(c, userInfo.Username, "admin")
 					return c.Next()
 				}
 			}
 		}
 
-		// Try OIDC auth if enabled
+		// Try OIDC auth if enabled.
 		if cfg.OIDC.Enabled {
 			sessionCookie := c.Cookies(cfg.OIDC.CookieName)
 			if sessionCookie != "" {
-				// Validate JWT session token from cookie
 				userInfo, err := authService.ValidateSessionToken(sessionCookie)
 				if err == nil {
-					// Valid OIDC token
 					c.Locals("userInfo", userInfo)
 					c.Locals("username", userInfo.Username)
 					c.Locals("email", userInfo.Email)
+					enrichRequestLogger(c, userInfo.Username, "oidc")
 					return c.Next()
 				}
 			}
 		}
 
-		// No valid authentication found
+		// Auth failed — log at warn without exposing token material.
+		logpkg.FromCtx(c.Context()).Warn().
+			Str("auth_method", authMethodsEnabled(cfg)).
+			Str("reason", "no_valid_credentials").
+			Msg("authentication_failed")
+
 		return c.Status(fiber.StatusUnauthorized).JSON(
 			models.ErrorResponse(models.ErrCodeUnauthorized, "Authentication required"),
 		)
 	}
 }
 
-func RequireAuth(cfg *config.AuthConfig) fiber.Handler {
-	return func(c fiber.Ctx) error {
-		if !cfg.Admin.Enabled && !cfg.OIDC.Enabled {
-			return c.Status(fiber.StatusForbidden).JSON(
-				models.ErrorResponse(models.ErrCodeForbidden, "Authentication is required but not configured"),
-			)
-		}
-		return c.Next()
-	}
+// enrichRequestLogger rebinds the per-request logger in c.Context() with
+// user_id and auth_method. Subsequent logpkg.FromCtx(c.Context()) calls
+// return the enriched logger.
+func enrichRequestLogger(c fiber.Ctx, userID, authMethod string) {
+	l := logpkg.FromCtx(c.Context()).With().
+		Str("user_id", userID).
+		Str("auth_method", authMethod).
+		Logger()
+	c.Locals(LoggerLocalsKey, l)
+	c.SetContext(logpkg.IntoCtx(c.Context(), l))
 }
 
-func RequireAdmin(authService *auth.AuthService) fiber.Handler {
-	return func(c fiber.Ctx) error {
-		userInfoInterface := c.Locals("userInfo")
-		if userInfoInterface == nil {
-			return c.Status(fiber.StatusForbidden).JSON(
-				models.ErrorResponse(models.ErrCodeForbidden, "Admin access required"),
-			)
-		}
-
-		userInfo, ok := userInfoInterface.(*auth.UserInfo)
-		if !ok {
-			return c.Status(fiber.StatusForbidden).JSON(
-				models.ErrorResponse(models.ErrCodeForbidden, "Admin access required"),
-			)
-		}
-
-		// Check if user has admin role
-		if !authService.IsAdmin(userInfo) {
-			return c.Status(fiber.StatusForbidden).JSON(
-				models.ErrorResponse(models.ErrCodeForbidden, "Admin role required"),
-			)
-		}
-
-		return c.Next()
+func authMethodsEnabled(cfg *config.AuthConfig) string {
+	methods := []string{}
+	if cfg.Admin.Enabled {
+		methods = append(methods, "admin")
 	}
+	if cfg.OIDC.Enabled {
+		methods = append(methods, "oidc")
+	}
+	if cfg.Token.Enabled {
+		methods = append(methods, "token")
+	}
+	if len(methods) == 0 {
+		return "none"
+	}
+	return strings.Join(methods, "+")
 }

backend/internal/middleware/auth_test.go

@@ -0,0 +1,403 @@
+package middleware
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/config"
+	logpkg "Noooste/garage-ui/pkg/logger"
+
+	"github.com/gofiber/fiber/v3"
+	"github.com/rs/zerolog"
+)
+
+// newAuthTestApp builds a fiber.App with RequestID + Logging (buffer-backed) +
+// AuthMiddleware + a trivial /protected handler that echoes username/auth
+// method into the JSON body so tests can assert on locals.
+func newAuthTestApp(t *testing.T, buf *bytes.Buffer, authCfg *config.AuthConfig, svc *auth.Service) *fiber.App {
+	t.Helper()
+	base := zerolog.New(buf)
+	app := fiber.New()
+	app.Use(RequestID())
+	app.Use(Logging(base))
+	app.Use(AuthMiddleware(authCfg, svc))
+	app.Get("/protected", func(c fiber.Ctx) error {
+		uname, _ := c.Locals("username").(string)
+		email, _ := c.Locals("email").(string)
+		logpkg.FromCtx(c.Context()).Info().Msg("in_handler")
+		return c.JSON(fiber.Map{
+			"ok":       true,
+			"username": uname,
+			"email":    email,
+		})
+	})
+	return app
+}
+
+// newAuthSvc returns an *auth.Service with the given auth config, JWT
+// service initialized, OIDC disabled unless the caller wires it.
+func newAuthSvc(t *testing.T, authCfg *config.AuthConfig) *auth.Service {
+	t.Helper()
+	svc, err := auth.NewAuthService(authCfg, &config.ServerConfig{})
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+	return svc
+}
+
+// findLine returns the first parsed log line whose "message" field equals msg,
+// failing the test if no such line is present.
+func findLine(t *testing.T, buf *bytes.Buffer, msg string) map[string]any {
+	t.Helper()
+	for _, line := range parseLines(t, buf) {
+		if line["message"] == msg {
+			return line
+		}
+	}
+	t.Fatalf("no %q log line: %s", msg, buf.String())
+	return nil
+}
+
+func TestAuthMiddleware_BothDisabled_AllowsRequest(t *testing.T) {
+	authCfg := &config.AuthConfig{
+		Admin: config.AdminAuthConfig{Enabled: false},
+		OIDC:  config.OIDCConfig{Enabled: false},
+	}
+	svc := newAuthSvc(t, authCfg)
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, authCfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	var body map[string]any
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if body["ok"] != true {
+		t.Errorf("ok = %v, want true", body["ok"])
+	}
+	if body["username"] != "" {
+		t.Errorf("username should be empty when auth disabled, got %q", body["username"])
+	}
+}
+
+func newAdminCfg() *config.AuthConfig {
+	return &config.AuthConfig{
+		Admin: config.AdminAuthConfig{Enabled: true, Username: "admin", Password: "pw"},
+		OIDC:  config.OIDCConfig{Enabled: false},
+	}
+}
+
+func TestAuthMiddleware_Admin_BearerValid_AllowsAndEnrichesLogger(t *testing.T) {
+	authCfg := newAdminCfg()
+	svc := newAuthSvc(t, authCfg)
+	tok, err := svc.GenerateSessionToken(&auth.UserInfo{Username: "admin", Email: "a@b"})
+	if err != nil {
+		t.Fatalf("GenerateSessionToken: %v", err)
+	}
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, authCfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	req.Header.Set("Authorization", "Bearer "+tok)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	var body map[string]any
+	_ = json.NewDecoder(resp.Body).Decode(&body)
+	if body["username"] != "admin" {
+		t.Errorf("username = %v, want admin", body["username"])
+	}
+	if body["email"] != "a@b" {
+		t.Errorf("email = %v, want a@b", body["email"])
+	}
+
+	// Enriched handler log line should carry user_id and auth_method=admin.
+	access := findLine(t, &buf, "in_handler")
+	if access["user_id"] != "admin" {
+		t.Errorf("user_id = %v, want admin", access["user_id"])
+	}
+	if access["auth_method"] != "admin" {
+		t.Errorf("auth_method = %v, want admin", access["auth_method"])
+	}
+}
+
+func TestAuthMiddleware_Admin_BearerInvalid_Returns401(t *testing.T) {
+	authCfg := newAdminCfg()
+	svc := newAuthSvc(t, authCfg)
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, authCfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	req.Header.Set("Authorization", "Bearer not-a-real-token")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 401 {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+	var env struct {
+		Success bool `json:"success"`
+		Error   struct {
+			Code string `json:"code"`
+		} `json:"error"`
+	}
+	_ = json.NewDecoder(resp.Body).Decode(&env)
+	if env.Success {
+		t.Error("success should be false")
+	}
+	if env.Error.Code != "UNAUTHORIZED" {
+		t.Errorf("error.code = %q, want UNAUTHORIZED", env.Error.Code)
+	}
+
+	// Warn log should carry reason=no_valid_credentials without leaking the token.
+	warn := findLine(t, &buf, "authentication_failed")
+	if warn["reason"] != "no_valid_credentials" {
+		t.Errorf("reason = %v", warn["reason"])
+	}
+	if warn["level"] != "warn" {
+		t.Errorf("level = %v, want warn", warn["level"])
+	}
+	if strings.Contains(buf.String(), "not-a-real-token") {
+		t.Error("token value must not appear in logs")
+	}
+}
+
+func TestAuthMiddleware_Admin_NoAuthHeader_Returns401(t *testing.T) {
+	authCfg := newAdminCfg()
+	svc := newAuthSvc(t, authCfg)
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, authCfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 401 {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+}
+
+func TestAuthMiddleware_Admin_NonBearerScheme_Returns401(t *testing.T) {
+	authCfg := newAdminCfg()
+	svc := newAuthSvc(t, authCfg)
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, authCfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	req.Header.Set("Authorization", "Basic dXNlcjpwdw==")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 401 {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+}
+
+func newOIDCCfg(cookieName string) *config.AuthConfig {
+	return &config.AuthConfig{
+		Admin: config.AdminAuthConfig{Enabled: false},
+		OIDC: config.OIDCConfig{
+			Enabled:    true,
+			CookieName: cookieName,
+		},
+	}
+}
+
+// newOIDCSvc returns a Service whose OIDC is *not* initialized (no dialing
+// needed), which is fine because AuthMiddleware's OIDC branch only calls
+// ValidateSessionToken — a pure JWT operation.
+func newOIDCSvc(t *testing.T) *auth.Service {
+	t.Helper()
+	return newAuthSvc(t, &config.AuthConfig{OIDC: config.OIDCConfig{Enabled: false}})
+}
+
+func TestAuthMiddleware_OIDC_ValidCookie_Allows(t *testing.T) {
+	cfg := newOIDCCfg("session")
+	svc := newOIDCSvc(t)
+
+	tok, err := svc.GenerateSessionToken(&auth.UserInfo{Username: "alice", Email: "a@x"})
+	if err != nil {
+		t.Fatalf("GenerateSessionToken: %v", err)
+	}
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, cfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	req.AddCookie(&http.Cookie{Name: "session", Value: tok})
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+
+	access := findLine(t, &buf, "in_handler")
+	if access["auth_method"] != "oidc" {
+		t.Errorf("auth_method = %v, want oidc", access["auth_method"])
+	}
+	if access["user_id"] != "alice" {
+		t.Errorf("user_id = %v, want alice", access["user_id"])
+	}
+}
+
+func TestAuthMiddleware_OIDC_InvalidCookie_Returns401(t *testing.T) {
+	cfg := newOIDCCfg("session")
+	svc := newOIDCSvc(t)
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, cfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	req.AddCookie(&http.Cookie{Name: "session", Value: "garbage"})
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 401 {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+}
+
+func TestAuthMiddleware_OIDC_NoCookie_Returns401(t *testing.T) {
+	cfg := newOIDCCfg("session")
+	svc := newOIDCSvc(t)
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, cfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 401 {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+}
+
+func newBothCfg(cookieName string) *config.AuthConfig {
+	return &config.AuthConfig{
+		Admin: config.AdminAuthConfig{Enabled: true, Username: "admin", Password: "pw"},
+		OIDC: config.OIDCConfig{
+			Enabled:    true,
+			CookieName: cookieName,
+		},
+	}
+}
+
+func TestAuthMiddleware_Both_BearerValid_AdminPathWins(t *testing.T) {
+	cfg := newBothCfg("session")
+	// OIDC disabled on the Service is fine — see Task 3 rationale.
+	svc := newAuthSvc(t, &config.AuthConfig{Admin: cfg.Admin})
+
+	tok, err := svc.GenerateSessionToken(&auth.UserInfo{Username: "admin"})
+	if err != nil {
+		t.Fatalf("GenerateSessionToken: %v", err)
+	}
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, cfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	req.Header.Set("Authorization", "Bearer "+tok)
+	// Also set a valid OIDC cookie; admin should still win.
+	cookieTok, _ := svc.GenerateSessionToken(&auth.UserInfo{Username: "alice"})
+	req.AddCookie(&http.Cookie{Name: "session", Value: cookieTok})
+
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+
+	access := findLine(t, &buf, "in_handler")
+	if access["auth_method"] != "admin" {
+		t.Errorf("auth_method = %v, want admin", access["auth_method"])
+	}
+	if access["user_id"] != "admin" {
+		t.Errorf("user_id = %v, want admin", access["user_id"])
+	}
+}
+
+func TestAuthMiddleware_Both_BearerInvalid_FallsThroughToOIDCCookie(t *testing.T) {
+	cfg := newBothCfg("session")
+	svc := newAuthSvc(t, &config.AuthConfig{Admin: cfg.Admin})
+
+	cookieTok, err := svc.GenerateSessionToken(&auth.UserInfo{Username: "alice"})
+	if err != nil {
+		t.Fatalf("GenerateSessionToken: %v", err)
+	}
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, cfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	req.Header.Set("Authorization", "Bearer bogus")
+	req.AddCookie(&http.Cookie{Name: "session", Value: cookieTok})
+
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		t.Fatalf("status = %d, want 200 (OIDC fallback)", resp.StatusCode)
+	}
+
+	access := findLine(t, &buf, "in_handler")
+	if access["auth_method"] != "oidc" {
+		t.Errorf("auth_method = %v, want oidc", access["auth_method"])
+	}
+}
+
+func TestAuthMiddleware_Both_AllInvalid_Returns401WithCombinedMethodLabel(t *testing.T) {
+	cfg := newBothCfg("session")
+	svc := newAuthSvc(t, &config.AuthConfig{Admin: cfg.Admin})
+
+	var buf bytes.Buffer
+	app := newAuthTestApp(t, &buf, cfg, svc)
+
+	req := httptest.NewRequest("GET", "/protected", nil)
+	req.Header.Set("Authorization", "Bearer bogus")
+	req.AddCookie(&http.Cookie{Name: "session", Value: "also-bogus"})
+
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 401 {
+		t.Fatalf("status = %d, want 401", resp.StatusCode)
+	}
+
+	warn := findLine(t, &buf, "authentication_failed")
+	if warn["auth_method"] != "admin+oidc" {
+		t.Errorf("auth_method = %v, want admin+oidc", warn["auth_method"])
+	}
+}

backend/internal/middleware/cors.go

@@ -1,6 +1,7 @@
 package middleware
 
 import (
+	"strconv"
 	"strings"
 
 	"Noooste/garage-ui/internal/config"
@@ -20,10 +21,14 @@ func CORSMiddleware(cfg *config.CORSConfig) fiber.Handler {
 	return func(c fiber.Ctx) error {
 		origin := c.Get("Origin")
 
-		// Check if origin is allowed
-		if origin != "" && isAllowedOrigin(origin, cfg.AllowedOrigins) {
+		// Check if origin is allowed. When credentials are allowed we refuse
+		// to treat "*" as a match: reflecting an arbitrary Origin alongside
+		// Access-Control-Allow-Credentials: true lets any site read responses
+		// cross-origin with the user's session cookie.
+		if origin != "" && isAllowedOrigin(origin, cfg.AllowedOrigins, cfg.AllowCredentials) {
 			// Set CORS headers
 			c.Set("Access-Control-Allow-Origin", origin)
+			c.Set("Vary", "Origin")
 
 			if cfg.AllowCredentials {
 				c.Set("Access-Control-Allow-Credentials", "true")
@@ -41,7 +46,7 @@ func CORSMiddleware(cfg *config.CORSConfig) fiber.Handler {
 
 			// Set max age for preflight cache
 			if cfg.MaxAge > 0 {
-				c.Set("Access-Control-Max-Age", string(rune(cfg.MaxAge)))
+				c.Set("Access-Control-Max-Age", strconv.Itoa(cfg.MaxAge))
 			}
 		}
 
@@ -54,10 +59,14 @@ func CORSMiddleware(cfg *config.CORSConfig) fiber.Handler {
 	}
 }
 
-// isAllowedOrigin checks if an origin is in the allowed list
-func isAllowedOrigin(origin string, allowedOrigins []string) bool {
+// isAllowedOrigin checks if an origin is in the allowed list.
+// When allowCredentials is true, "*" is NOT honored — exact match is required.
+func isAllowedOrigin(origin string, allowedOrigins []string, allowCredentials bool) bool {
 	for _, allowed := range allowedOrigins {
-		if allowed == "*" || allowed == origin {
+		if allowed == origin {
+			return true
+		}
+		if allowed == "*" && !allowCredentials {
 			return true
 		}
 	}

backend/internal/middleware/cors_test.go

@@ -0,0 +1,282 @@
+package middleware
+
+import (
+	"net/http/httptest"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func newCORSApp(t *testing.T, cfg *config.CORSConfig) *fiber.App {
+	t.Helper()
+	app := fiber.New()
+	app.Use(CORSMiddleware(cfg))
+	app.Get("/x", func(c fiber.Ctx) error {
+		return c.SendString("ok")
+	})
+	return app
+}
+
+func TestCORS_Disabled_NoHeadersSet(t *testing.T) {
+	cfg := &config.CORSConfig{Enabled: false}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("GET", "/x", nil)
+	req.Header.Set("Origin", "https://foo.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Origin"); got != "" {
+		t.Errorf("Allow-Origin = %q, want empty", got)
+	}
+}
+
+func TestCORS_Enabled_AllowedOriginEchoes(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:        true,
+		AllowedOrigins: []string{"https://ok.example"},
+		AllowedMethods: []string{"GET", "POST"},
+		AllowedHeaders: []string{"Authorization", "Content-Type"},
+		MaxAge:         300,
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("GET", "/x", nil)
+	req.Header.Set("Origin", "https://ok.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Origin"); got != "https://ok.example" {
+		t.Errorf("Allow-Origin = %q", got)
+	}
+	if got := resp.Header.Get("Vary"); got != "Origin" {
+		t.Errorf("Vary = %q, want Origin", got)
+	}
+}
+
+func TestCORS_Enabled_OriginNotInList_NoHeaders(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:        true,
+		AllowedOrigins: []string{"https://ok.example"},
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("GET", "/x", nil)
+	req.Header.Set("Origin", "https://evil.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Origin"); got != "" {
+		t.Errorf("Allow-Origin = %q, want empty", got)
+	}
+}
+
+func TestCORS_Enabled_NoOriginHeader_NoCORSHeaders(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:        true,
+		AllowedOrigins: []string{"*"},
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("GET", "/x", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Origin"); got != "" {
+		t.Errorf("Allow-Origin = %q, want empty (no Origin header)", got)
+	}
+}
+
+func TestCORS_Wildcard_NoCredentials_AllowsAnyOrigin(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:          true,
+		AllowedOrigins:   []string{"*"},
+		AllowCredentials: false,
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("GET", "/x", nil)
+	req.Header.Set("Origin", "https://anywhere.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Origin"); got != "https://anywhere.example" {
+		t.Errorf("Allow-Origin = %q, want echo", got)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Credentials"); got != "" {
+		t.Errorf("Allow-Credentials set unexpectedly: %q", got)
+	}
+}
+
+func TestCORS_Wildcard_WithCredentials_RejectsUnlistedOrigin(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:          true,
+		AllowedOrigins:   []string{"*"},
+		AllowCredentials: true,
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("GET", "/x", nil)
+	req.Header.Set("Origin", "https://evil.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Origin"); got != "" {
+		t.Errorf("Allow-Origin = %q, want empty (wildcard+creds must not honor *)", got)
+	}
+}
+
+func TestCORS_ExactMatch_WithCredentials_SetsAllowCredentials(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:          true,
+		AllowedOrigins:   []string{"https://ok.example"},
+		AllowCredentials: true,
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("GET", "/x", nil)
+	req.Header.Set("Origin", "https://ok.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Origin"); got != "https://ok.example" {
+		t.Errorf("Allow-Origin = %q", got)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Credentials"); got != "true" {
+		t.Errorf("Allow-Credentials = %q, want true", got)
+	}
+}
+
+func TestCORS_Preflight_AllowedOrigin_Returns204WithHeaders(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:        true,
+		AllowedOrigins: []string{"https://ok.example"},
+		AllowedMethods: []string{"GET", "POST", "PUT"},
+		AllowedHeaders: []string{"Authorization"},
+		MaxAge:         600,
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("OPTIONS", "/x", nil)
+	req.Header.Set("Origin", "https://ok.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 204 {
+		t.Fatalf("status = %d, want 204", resp.StatusCode)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Methods"); got != "GET, POST, PUT" {
+		t.Errorf("Allow-Methods = %q", got)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Headers"); got != "Authorization" {
+		t.Errorf("Allow-Headers = %q", got)
+	}
+	if got := resp.Header.Get("Access-Control-Max-Age"); got != "600" {
+		t.Errorf("Max-Age = %q", got)
+	}
+}
+
+func TestCORS_Preflight_DisallowedOrigin_Returns204NoHeaders(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:        true,
+		AllowedOrigins: []string{"https://ok.example"},
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("OPTIONS", "/x", nil)
+	req.Header.Set("Origin", "https://evil.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 204 {
+		t.Fatalf("status = %d, want 204", resp.StatusCode)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Origin"); got != "" {
+		t.Errorf("Allow-Origin set for disallowed preflight: %q", got)
+	}
+}
+
+func TestCORS_EmptyAllowedMethods_NoAllowMethodsHeader(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:        true,
+		AllowedOrigins: []string{"https://ok.example"},
+		// AllowedMethods intentionally nil
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("GET", "/x", nil)
+	req.Header.Set("Origin", "https://ok.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if got := resp.Header.Get("Access-Control-Allow-Methods"); got != "" {
+		t.Errorf("Allow-Methods set when list empty: %q", got)
+	}
+}
+
+func TestCORS_MaxAgeZero_NoMaxAgeHeader(t *testing.T) {
+	cfg := &config.CORSConfig{
+		Enabled:        true,
+		AllowedOrigins: []string{"https://ok.example"},
+		MaxAge:         0,
+	}
+	app := newCORSApp(t, cfg)
+
+	req := httptest.NewRequest("GET", "/x", nil)
+	req.Header.Set("Origin", "https://ok.example")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if got := resp.Header.Get("Access-Control-Max-Age"); got != "" {
+		t.Errorf("Max-Age set when zero: %q", got)
+	}
+}
+
+func TestIsAllowedOrigin(t *testing.T) {
+	cases := []struct {
+		name             string
+		origin           string
+		allowed          []string
+		allowCredentials bool
+		want             bool
+	}{
+		{"exact match", "https://ok.example", []string{"https://ok.example"}, false, true},
+		{"exact match with creds", "https://ok.example", []string{"https://ok.example"}, true, true},
+		{"wildcard without creds matches", "https://any.example", []string{"*"}, false, true},
+		{"wildcard with creds rejected", "https://any.example", []string{"*"}, true, false},
+		{"no match", "https://evil.example", []string{"https://ok.example"}, false, false},
+		{"empty allowed list", "https://ok.example", nil, false, false},
+		{"multiple entries — exact hit", "https://b.example", []string{"https://a.example", "https://b.example"}, false, true},
+	}
+	for _, tc := range cases {
+		tc := tc
+		t.Run(tc.name, func(t *testing.T) {
+			if got := isAllowedOrigin(tc.origin, tc.allowed, tc.allowCredentials); got != tc.want {
+				t.Errorf("isAllowedOrigin(%q, %v, %v) = %v, want %v",
+					tc.origin, tc.allowed, tc.allowCredentials, got, tc.want)
+			}
+		})
+	}
+}

backend/internal/middleware/logging.go

@@ -0,0 +1,82 @@
+package middleware
+
+import (
+	"time"
+
+	logpkg "Noooste/garage-ui/pkg/logger"
+
+	"github.com/gofiber/fiber/v3"
+	"github.com/rs/zerolog"
+)
+
+// LoggerLocalsKey is the fiber.Ctx.Locals key carrying the per-request logger.
+const LoggerLocalsKey = "logger"
+
+// Logging returns middleware that (1) builds a per-request zerolog.Logger
+// bound with request_id/method/path/remote_ip/user_agent, (2) injects it into
+// c.Context() so service layers can retrieve it via logger.FromCtx, and
+// (3) emits a single access-log line after the handler runs.
+//
+// The base logger is the one to derive from — typically the global zerolog
+// logger configured at startup. Tests pass a buffer-backed logger here.
+//
+// Access-log line fields: request_id, method, path, remote_ip, user_agent,
+// status, duration_ms, bytes_out. Skipped for /health and OPTIONS.
+// Level is chosen from status: >=500 error, >=400 warn, else info.
+func Logging(base zerolog.Logger) fiber.Handler {
+	return func(c fiber.Ctx) error {
+		requestID, _ := c.Locals(RequestIDLocalsKey).(string)
+
+		reqLogger := base.With().
+			Str("request_id", requestID).
+			Str("method", c.Method()).
+			Str("path", c.Path()).
+			Str("remote_ip", c.IP()).
+			Str("user_agent", c.Get("User-Agent")).
+			Logger()
+
+		c.Locals(LoggerLocalsKey, reqLogger)
+		c.SetContext(logpkg.IntoCtx(c.Context(), reqLogger))
+
+		start := time.Now()
+		err := c.Next()
+		duration := time.Since(start)
+
+		if skipAccessLog(c) {
+			return err
+		}
+
+		status := c.Response().StatusCode()
+		bytesOut := len(c.Response().Body())
+
+		evt := eventForStatus(&reqLogger, status)
+		evt.
+			Int("status", status).
+			Float64("duration_ms", float64(duration.Microseconds())/1000.0).
+			Int("bytes_out", bytesOut).
+			Msg("http_request")
+
+		return err
+	}
+}
+
+func skipAccessLog(c fiber.Ctx) bool {
+	if c.Method() == fiber.MethodOptions {
+		return true
+	}
+	if c.Path() == "/health" {
+		return true
+	}
+	return false
+}
+
+func eventForStatus(l *zerolog.Logger, status int) *zerolog.Event {
+	switch {
+	case status >= 500:
+		return l.Error()
+	case status >= 400:
+		return l.Warn()
+	default:
+		return l.Info()
+	}
+}

backend/internal/middleware/logging_test.go

@@ -0,0 +1,166 @@
+package middleware
+
+import (
+	"bytes"
+	"encoding/json"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	logpkg "Noooste/garage-ui/pkg/logger"
+
+	"github.com/gofiber/fiber/v3"
+	"github.com/rs/zerolog"
+)
+
+// newLoggingTestApp installs RequestID + Logging middleware with a provided
+// zerolog.Logger writing to buf so tests can assert on the JSON output.
+func newLoggingTestApp(t *testing.T, buf *bytes.Buffer, handler fiber.Handler) *fiber.App {
+	t.Helper()
+	base := zerolog.New(buf)
+	app := fiber.New()
+	app.Use(RequestID())
+	app.Use(Logging(base))
+	app.Get("/ping", handler)
+	app.Get("/health", handler)
+	return app
+}
+
+func parseLines(t *testing.T, buf *bytes.Buffer) []map[string]any {
+	t.Helper()
+	out := []map[string]any{}
+	for _, line := range strings.Split(buf.String(), "\n") {
+		if strings.TrimSpace(line) == "" {
+			continue
+		}
+		var m map[string]any
+		if err := json.Unmarshal([]byte(line), &m); err != nil {
+			t.Fatalf("not JSON: %v — %s", err, line)
+		}
+		out = append(out, m)
+	}
+	return out
+}
+
+func TestLogging_InjectsLoggerIntoContext(t *testing.T) {
+	var buf bytes.Buffer
+	app := newLoggingTestApp(t, &buf, func(c fiber.Ctx) error {
+		logpkg.FromCtx(c.Context()).Info().Str("stage", "handler").Msg("handled")
+		return c.SendString("ok")
+	})
+
+	req := httptest.NewRequest("GET", "/ping", nil)
+	if _, err := app.Test(req); err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+
+	lines := parseLines(t, &buf)
+	if len(lines) < 2 {
+		t.Fatalf("expected >=2 log lines (handler + access), got %d: %q", len(lines), buf.String())
+	}
+
+	h := lines[0]
+	if h["stage"] != "handler" {
+		t.Errorf("handler line stage = %v", h["stage"])
+	}
+	if _, ok := h["request_id"].(string); !ok || h["request_id"] == "" {
+		t.Errorf("handler line missing request_id: %v", h)
+	}
+	if h["method"] != "GET" || h["path"] != "/ping" {
+		t.Errorf("handler line missing method/path: %v", h)
+	}
+}
+
+func TestLogging_EmitsAccessLogLine(t *testing.T) {
+	var buf bytes.Buffer
+	app := newLoggingTestApp(t, &buf, func(c fiber.Ctx) error {
+		return c.SendString("ok")
+	})
+
+	req := httptest.NewRequest("GET", "/ping", nil)
+	if _, err := app.Test(req); err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+
+	lines := parseLines(t, &buf)
+	var access map[string]any
+	for i := len(lines) - 1; i >= 0; i-- {
+		if _, ok := lines[i]["status"]; ok {
+			access = lines[i]
+			break
+		}
+	}
+	if access == nil {
+		t.Fatalf("no access-log line found: %s", buf.String())
+	}
+
+	if access["method"] != "GET" || access["path"] != "/ping" {
+		t.Errorf("access line method/path wrong: %v", access)
+	}
+	if got, _ := access["status"].(float64); got != 200 {
+		t.Errorf("access line status = %v, want 200", access["status"])
+	}
+	if _, ok := access["duration_ms"].(float64); !ok {
+		t.Errorf("access line missing duration_ms: %v", access)
+	}
+	if access["level"] != "info" {
+		t.Errorf("200 should log at info; got level %v", access["level"])
+	}
+}
+
+func TestLogging_SkipsHealthEndpoint(t *testing.T) {
+	var buf bytes.Buffer
+	app := newLoggingTestApp(t, &buf, func(c fiber.Ctx) error {
+		return c.SendString("ok")
+	})
+
+	req := httptest.NewRequest("GET", "/health", nil)
+	if _, err := app.Test(req); err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+
+	for _, line := range parseLines(t, &buf) {
+		if _, hasStatus := line["status"]; hasStatus {
+			if line["path"] == "/health" {
+				t.Errorf("/health should not emit an access log line: %v", line)
+			}
+		}
+	}
+}
+
+func TestLogging_LevelByStatus(t *testing.T) {
+	cases := []struct {
+		status    int
+		wantLevel string
+	}{
+		{200, "info"},
+		{404, "warn"},
+		{500, "error"},
+	}
+	for _, tc := range cases {
+		tc := tc
+		t.Run(tc.wantLevel, func(t *testing.T) {
+			var buf bytes.Buffer
+			app := newLoggingTestApp(t, &buf, func(c fiber.Ctx) error {
+				return c.Status(tc.status).SendString("x")
+			})
+			req := httptest.NewRequest("GET", "/ping", nil)
+			if _, err := app.Test(req); err != nil {
+				t.Fatalf("app.Test: %v", err)
+			}
+
+			var access map[string]any
+			for _, line := range parseLines(t, &buf) {
+				if _, ok := line["status"]; ok {
+					access = line
+				}
+			}
+			if access == nil {
+				t.Fatalf("no access line")
+			}
+			if access["level"] != tc.wantLevel {
+				t.Errorf("status %d → level %v, want %v", tc.status, access["level"], tc.wantLevel)
+			}
+		})
+	}
+}

backend/internal/middleware/requestid.go

@@ -0,0 +1,29 @@
+package middleware
+
+import (
+	"github.com/gofiber/fiber/v3"
+	"github.com/google/uuid"
+)
+
+// RequestIDHeader is the HTTP header used to read an incoming request ID
+// (for cross-service correlation) and to echo the request ID in the response.
+const RequestIDHeader = "X-Request-ID"
+
+// RequestIDLocalsKey is the fiber.Ctx.Locals key carrying the request ID.
+const RequestIDLocalsKey = "request_id"
+
+// RequestID returns middleware that assigns a request ID to every request.
+// If the client sends X-Request-ID, that value is used; otherwise a new
+// UUIDv4 is generated. The ID is stored on c.Locals and echoed in the
+// response header so clients and downstream services can correlate logs.
+func RequestID() fiber.Handler {
+	return func(c fiber.Ctx) error {
+		id := c.Get(RequestIDHeader)
+		if id == "" {
+			id = uuid.NewString()
+		}
+		c.Locals(RequestIDLocalsKey, id)
+		c.Set(RequestIDHeader, id)
+		return c.Next()
+	}
+}

backend/internal/middleware/requestid_test.go

@@ -0,0 +1,65 @@
+package middleware
+
+import (
+	"net/http/httptest"
+	"testing"
+
+	"github.com/gofiber/fiber/v3"
+	"github.com/google/uuid"
+)
+
+func newTestApp(t *testing.T, handler fiber.Handler, mw ...fiber.Handler) *fiber.App {
+	t.Helper()
+	app := fiber.New()
+	for _, m := range mw {
+		app.Use(m)
+	}
+	app.Get("/ping", handler)
+	return app
+}
+
+func TestRequestID_GeneratesWhenAbsent(t *testing.T) {
+	var seen string
+	app := newTestApp(t, func(c fiber.Ctx) error {
+		seen, _ = c.Locals("request_id").(string)
+		return c.SendString("ok")
+	}, RequestID())
+
+	req := httptest.NewRequest("GET", "/ping", nil)
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+
+	if seen == "" {
+		t.Fatal("request_id not set on c.Locals")
+	}
+	if _, err := uuid.Parse(seen); err != nil {
+		t.Errorf("request_id %q is not a valid UUID: %v", seen, err)
+	}
+	if got := resp.Header.Get("X-Request-ID"); got != seen {
+		t.Errorf("X-Request-ID response header = %q, want %q", got, seen)
+	}
+}
+
+func TestRequestID_HonorsIncomingHeader(t *testing.T) {
+	var seen string
+	app := newTestApp(t, func(c fiber.Ctx) error {
+		seen, _ = c.Locals("request_id").(string)
+		return c.SendString("ok")
+	}, RequestID())
+
+	req := httptest.NewRequest("GET", "/ping", nil)
+	req.Header.Set("X-Request-ID", "incoming-abc-123")
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+
+	if seen != "incoming-abc-123" {
+		t.Errorf("request_id = %q, want incoming-abc-123", seen)
+	}
+	if got := resp.Header.Get("X-Request-ID"); got != "incoming-abc-123" {
+		t.Errorf("X-Request-ID response header = %q, want incoming-abc-123", got)
+	}
+}

backend/internal/models/admin.go

@@ -1,10 +1,9 @@
 package models
 
-import "time"
-
-// ====================================
-// Access Key Models
-// ====================================
+import (
+	"encoding/json"
+	"time"
+)
 
 // GarageKeyInfo represents detailed information about a Garage access key
 type GarageKeyInfo struct {
@@ -72,10 +71,6 @@ type ListKeysResponseItem struct {
 	Expiration *time.Time `json:"expiration,omitempty"`
 }
 
-// ====================================
-// Bucket Models (Admin API)
-// ====================================
-
 // GarageBucketInfo represents detailed information about a bucket from Admin API
 type GarageBucketInfo struct {
 	ID                             string               `json:"id"`
@@ -153,10 +148,6 @@ type BucketLocalAlias struct {
 	Alias       string `json:"alias"`
 }
 
-// ====================================
-// Bucket Alias Models
-// ====================================
-
 // AddBucketAliasRequest represents the request to add a bucket alias
 type AddBucketAliasRequest struct {
 	BucketID    string  `json:"bucketId"`
@@ -173,10 +164,6 @@ type RemoveBucketAliasRequest struct {
 	AccessKeyID *string `json:"accessKeyId,omitempty"`
 }
 
-// ====================================
-// Permission Models
-// ====================================
-
 // BucketKeyPermRequest represents a request to change bucket-key permissions
 type BucketKeyPermRequest struct {
 	BucketID    string              `json:"bucketId"`
@@ -184,10 +171,6 @@ type BucketKeyPermRequest struct {
 	Permissions BucketKeyPermission `json:"permissions"`
 }
 
-// ====================================
-// Cluster Models
-// ====================================
-
 // ClusterHealth represents the health status of the cluster
 type ClusterHealth struct {
 	Status           string `json:"status"`
@@ -200,6 +183,24 @@ type ClusterHealth struct {
 	PartitionsAllOk  int    `json:"partitionsAllOk"`
 }
 
+// UnmarshalJSON handles both "storageNodesOk" (Garage v2.0.0) and
+// "storageNodesUp" (Garage v2.1.0+, v1.x) field names.
+func (h *ClusterHealth) UnmarshalJSON(data []byte) error {
+	type plain ClusterHealth
+	var aux struct {
+		plain
+		StorageNodesOk int `json:"storageNodesOk"`
+	}
+	if err := json.Unmarshal(data, &aux); err != nil {
+		return err
+	}
+	*h = ClusterHealth(aux.plain)
+	if h.StorageNodesUp == 0 && aux.StorageNodesOk != 0 {
+		h.StorageNodesUp = aux.StorageNodesOk
+	}
+	return nil
+}
+
 // ClusterStatus represents the current status of the cluster
 type ClusterStatus struct {
 	LayoutVersion int        `json:"layoutVersion"`
@@ -211,10 +212,6 @@ type ClusterStatistics struct {
 	Freeform string `json:"freeform"`
 }
 
-// ====================================
-// Node Models
-// ====================================
-
 // NodeInfo represents information about a cluster node
 type NodeInfo struct {
 	ID                string         `json:"id"`

backend/internal/models/admin_compat_test.go

@@ -0,0 +1,46 @@
+package models
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestClusterHealth_StorageNodesOk_BackCompat(t *testing.T) {
+	raw := `{
+		"status": "healthy",
+		"knownNodes": 3,
+		"connectedNodes": 3,
+		"storageNodes": 3,
+		"storageNodesOk": 3,
+		"partitions": 256,
+		"partitionsQuorum": 256,
+		"partitionsAllOk": 256
+	}`
+	var h ClusterHealth
+	if err := json.Unmarshal([]byte(raw), &h); err != nil {
+		t.Fatalf("unmarshal: %v", err)
+	}
+	if h.StorageNodesUp != 3 {
+		t.Fatalf("expected StorageNodesUp=3, got %d", h.StorageNodesUp)
+	}
+}
+
+func TestClusterHealth_StorageNodesUp(t *testing.T) {
+	raw := `{
+		"status": "healthy",
+		"knownNodes": 3,
+		"connectedNodes": 3,
+		"storageNodes": 3,
+		"storageNodesUp": 3,
+		"partitions": 256,
+		"partitionsQuorum": 256,
+		"partitionsAllOk": 256
+	}`
+	var h ClusterHealth
+	if err := json.Unmarshal([]byte(raw), &h); err != nil {
+		t.Fatalf("unmarshal: %v", err)
+	}
+	if h.StorageNodesUp != 3 {
+		t.Fatalf("expected StorageNodesUp=3, got %d", h.StorageNodesUp)
+	}
+}

backend/internal/models/requests.go

@@ -12,50 +12,28 @@ type GrantBucketPermissionRequest struct {
 	Permissions BucketKeyPermission `json:"permissions" validate:"required"`
 }
 
-// DeleteBucketRequest represents a request to delete a bucket
-type DeleteBucketRequest struct {
-	Name string `json:"name" validate:"required"`
-}
-
-// ListObjectsRequest represents a request to list objects in a bucket
-type ListObjectsRequest struct {
-	Bucket  string `json:"bucket" validate:"required"`
-	Prefix  string `json:"prefix,omitempty"`
-	MaxKeys int    `json:"max_keys,omitempty"`
-	Marker  string `json:"marker,omitempty"`
-}
-
-// UploadObjectRequest represents metadata for an object upload
-type UploadObjectRequest struct {
-	Bucket      string `json:"bucket" validate:"required"`
-	Key         string `json:"key" validate:"required"`
-	ContentType string `json:"content_type,omitempty"`
-}
-
-// DeleteObjectRequest represents a request to delete an object
-type DeleteObjectRequest struct {
-	Bucket string `json:"bucket" validate:"required"`
-	Key    string `json:"key" validate:"required"`
-}
-
-// GetObjectRequest represents a request to get/download an object
-type GetObjectRequest struct {
-	Bucket string `json:"bucket" validate:"required"`
-	Key    string `json:"key" validate:"required"`
-}
-
 // CreateUserRequest represents a request to create a new user/key
 type CreateUserRequest struct {
 	Name string `json:"name,omitempty"`
 }
 
-// DeleteUserRequest represents a request to delete a user/key
-type DeleteUserRequest struct {
-	AccessKey string `json:"access_key" validate:"required"`
-}
-
 // UpdateUserRequest represents a request to update user permissions
 type UpdateUserRequest struct {
 	Status     *string `json:"status,omitempty"`     // "active" or "inactive"
 	Expiration *string `json:"expiration,omitempty"` // ISO 8601 date string
 }
+
+// UpdateBucketWebsiteRequest represents a request to update bucket website configuration
+type UpdateBucketWebsiteRequest struct {
+	Enabled       bool   `json:"enabled"`
+	IndexDocument string `json:"indexDocument,omitempty"`
+	ErrorDocument string `json:"errorDocument,omitempty"`
+}
+
+// UpdateBucketQuotasRequest represents a request to update bucket quota settings.
+// A nil field means "clear this quota" (unlimited). A non-nil field must be > 0;
+// Garage rejects 0.
+type UpdateBucketQuotasRequest struct {
+	MaxSize    *int64 `json:"maxSize,omitempty"`
+	MaxObjects *int64 `json:"maxObjects,omitempty"`
+}

backend/internal/models/responses.go

@@ -40,11 +40,14 @@ type HealthResponse struct {
 
 // BucketInfo represents information about a bucket
 type BucketInfo struct {
-	Name         string    `json:"name"`
-	CreationDate time.Time `json:"creationDate"`
-	ObjectCount  *int64    `json:"objectCount,omitempty"`
-	Size         *int64    `json:"size,omitempty"`
-	Region       string    `json:"region,omitempty"`
+	Name          string               `json:"name"`
+	CreationDate  time.Time            `json:"creationDate"`
+	ObjectCount   *int64               `json:"objectCount,omitempty"`
+	Size          *int64               `json:"size,omitempty"`
+	Region        string               `json:"region,omitempty"`
+	WebsiteAccess bool                 `json:"websiteAccess"`
+	WebsiteConfig *BucketWebsiteConfig `json:"websiteConfig,omitempty"`
+	Quotas        *BucketQuotas        `json:"quotas,omitempty"`
 }
 
 // BucketListResponse represents a list of buckets
@@ -136,13 +139,6 @@ type BucketPermission struct {
 	Owner      bool   `json:"owner"`
 }
 
-// Permission represents a permission entry for access control (legacy/deprecated)
-type Permission struct {
-	Resource string   `json:"resource"`
-	Actions  []string `json:"actions"`
-	Effect   string   `json:"effect"` // "Allow" or "Deny"
-}
-
 type PresignedURLResponse struct {
 	URL       string `json:"url"`
 	ExpiresIn int64  `json:"expires_in"` // in seconds
@@ -201,4 +197,5 @@ const (
 	ErrCodeUploadFailed      = "UPLOAD_FAILED"
 	ErrCodeDeleteFailed      = "DELETE_FAILED"
 	ErrCodeListFailed        = "LIST_FAILED"
+	ErrCodeUnsupported       = "UNSUPPORTED"
 )

backend/internal/models/responses_test.go

@@ -0,0 +1,47 @@
+package models
+
+import "testing"
+
+func TestSuccessResponse(t *testing.T) {
+	payload := map[string]int{"count": 3}
+	r := SuccessResponse(payload)
+	if !r.Success {
+		t.Error("Success should be true")
+	}
+	if r.Error != nil {
+		t.Errorf("Error should be nil, got %+v", r.Error)
+	}
+	m, ok := r.Data.(map[string]int)
+	if !ok {
+		t.Fatalf("Data type = %T, want map[string]int", r.Data)
+	}
+	if m["count"] != 3 {
+		t.Errorf("Data.count = %d, want 3", m["count"])
+	}
+}
+
+func TestSuccessResponse_NilData(t *testing.T) {
+	r := SuccessResponse(nil)
+	if !r.Success {
+		t.Error("Success should be true even with nil data")
+	}
+	if r.Data != nil {
+		t.Errorf("Data = %v, want nil", r.Data)
+	}
+}
+
+func TestErrorResponse(t *testing.T) {
+	r := ErrorResponse(ErrCodeBadRequest, "bad input")
+	if r.Success {
+		t.Error("Success should be false for error response")
+	}
+	if r.Data != nil {
+		t.Errorf("Data should be nil, got %v", r.Data)
+	}
+	if r.Error == nil {
+		t.Fatal("Error should not be nil")
+	}
+	if r.Error.Code != ErrCodeBadRequest || r.Error.Message != "bad input" {
+		t.Errorf("Error = %+v", r.Error)
+	}
+}

backend/internal/routes/routes.go

@@ -5,7 +5,7 @@ import (
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/handlers"
 	"Noooste/garage-ui/internal/middleware"
-	"fmt"
+	"Noooste/garage-ui/pkg/logger"
 	"net/url"
 	"os"
 	"path/filepath"
@@ -22,13 +22,14 @@ import (
 func SetupRoutes(
 	app *fiber.App,
 	cfg *config.Config,
-	authService *auth.AuthService,
+	authService *auth.Service,
 	healthHandler *handlers.HealthHandler,
 	bucketHandler *handlers.BucketHandler,
 	objectHandler *handlers.ObjectHandler,
 	userHandler *handlers.UserHandler,
 	clusterHandler *handlers.ClusterHandler,
 	monitoringHandler *handlers.MonitoringHandler,
+	capabilitiesHandler *handlers.CapabilitiesHandler,
 ) {
 	// Apply CORS middleware globally
 	app.Use(middleware.CORSMiddleware(&cfg.CORS))
@@ -52,6 +53,8 @@ func SetupRoutes(
 	// Apply authentication middleware to all API routes
 	api.Use(middleware.AuthMiddleware(&cfg.Auth, authService))
 
+	api.Get("/capabilities", capabilitiesHandler.GetCapabilities)
+
 	// Bucket routes
 	buckets := api.Group("/buckets")
 	{
@@ -60,6 +63,8 @@ func SetupRoutes(
 		buckets.Get("/:name", bucketHandler.GetBucketInfo)                      // Get bucket info
 		buckets.Delete("/:name", bucketHandler.DeleteBucket)                    // Delete a bucket
 		buckets.Post("/:name/permissions", bucketHandler.GrantBucketPermission) // Grant bucket permissions
+		buckets.Put("/:name/website", bucketHandler.UpdateBucketWebsite)        // Update bucket website configuration
+		buckets.Put("/:name/quotas", bucketHandler.UpdateBucketQuotas)          // Update bucket quotas
 	}
 
 	// Object routes
@@ -71,64 +76,41 @@ func SetupRoutes(
 		objects.Post("/delete-multiple", objectHandler.DeleteMultipleObjects) // Delete multiple objects
 	}
 
-	// Object-specific routes with wildcard key parameter (supports paths with slashes)
-	// These need to be registered on the main app with auth middleware applied
+	// Directory routes (zero-byte directory markers)
+	api.Post("/buckets/:bucket/directories", objectHandler.CreateDirectory)
+
+	// Fiber v3 does not auto-decode wildcard params; fall back to the raw
+	// value when QueryUnescape fails.
+	decodeObjectKey := func(c fiber.Ctx) string {
+		raw := c.Params("*")
+		if decoded, err := url.QueryUnescape(raw); err == nil {
+			return decoded
+		}
+		return raw
+	}
+
 	objectWildcardHandler := func(c fiber.Ctx) error {
-		// Get the full path from wildcard parameter
-		// Note: Fiber v3 does NOT automatically decode params, we need to do it manually
-		path := c.Params("*")
-
-		// Decode the full path using QueryUnescape (handles %20, %2F, etc.)
-		decodedPath, err := url.QueryUnescape(path)
-		if err != nil {
-			// If decoding fails, use the original path
-			decodedPath = path
-		}
-
-		// Check if it's a metadata request
-		if strings.HasSuffix(decodedPath, "/metadata") {
-			// Remove /metadata suffix to get the actual key
-			key := strings.TrimSuffix(decodedPath, "/metadata")
-			c.Locals("objectKey", key)
+		path := decodeObjectKey(c)
+		switch {
+		case strings.HasSuffix(path, "/metadata"):
+			c.Locals("objectKey", strings.TrimSuffix(path, "/metadata"))
 			return objectHandler.GetObjectMetadata(c)
-		}
-		// Check if it's a presign request
-		if strings.HasSuffix(decodedPath, "/presign") {
-			// Remove /presign suffix to get the actual key
-			key := strings.TrimSuffix(decodedPath, "/presign")
-			c.Locals("objectKey", key)
+		case strings.HasSuffix(path, "/presign"):
+			c.Locals("objectKey", strings.TrimSuffix(path, "/presign"))
 			return objectHandler.GetPresignedURL(c)
+		default:
+			c.Locals("objectKey", path)
+			return objectHandler.GetObject(c)
 		}
-		// Otherwise, it's a regular object download
-		c.Locals("objectKey", decodedPath)
-		return objectHandler.GetObject(c)
 	}
 
 	objectDeleteHandler := func(c fiber.Ctx) error {
-		path := c.Params("*")
-
-		// Decode the full path using QueryUnescape
-		key, err := url.QueryUnescape(path)
-		if err != nil {
-			// If decoding fails, use the original path
-			key = path
-		}
-
-		c.Locals("objectKey", key)
+		c.Locals("objectKey", decodeObjectKey(c))
 		return objectHandler.DeleteObject(c)
 	}
 
 	objectHeadHandler := func(c fiber.Ctx) error {
-		path := c.Params("*")
-
-		// Decode the full path using QueryUnescape
-		key, err := url.QueryUnescape(path)
-		if err != nil {
-			// If decoding fails, use the original path
-			key = path
-		}
-
-		c.Locals("objectKey", key)
+		c.Locals("objectKey", decodeObjectKey(c))
 		return objectHandler.GetObjectMetadata(c)
 	}
 
@@ -171,8 +153,13 @@ func SetupRoutes(
 		app.Post("/auth/login", authHandler.LoginAdmin)
 	}
 
+	// Token auth login endpoint (only if token auth is enabled)
+	if cfg.Auth.Token.Enabled {
+		app.Post("/auth/login-token", authHandler.LoginToken)
+	}
+
 	// Auth "me" endpoint (if any auth is enabled)
-	if cfg.Auth.Admin.Enabled || cfg.Auth.OIDC.Enabled {
+	if cfg.Auth.Admin.Enabled || cfg.Auth.OIDC.Enabled || cfg.Auth.Token.Enabled {
 		app.Get("/auth/me", middleware.AuthMiddleware(&cfg.Auth, authService), authHandler.GetMe)
 	}
 
@@ -225,6 +212,11 @@ func SetupRoutes(
 					})
 				}
 
+				logger.Debug().
+					Str("access_token", token.AccessToken).
+					Interface("token", token).
+					Msg("Exchanged authorization code for token")
+
 				// Extract ID token from OAuth2 token
 				rawIDToken, ok := token.Extra("id_token").(string)
 				if !ok {
@@ -241,6 +233,34 @@ func SetupRoutes(
 					})
 				}
 
+				// Enforce admin role if configured. Roles are often absent from the
+				// ID token and the userinfo endpoint (Keycloak emits resource_access
+				// only in the access token by default), so fall back to the access
+				// token and then the userinfo endpoint before denying access.
+				adminRoles := cfg.Auth.OIDC.EffectiveAdminRoles()
+				if len(adminRoles) > 0 {
+					if !authService.IsAdmin(userInfo) {
+						if roles := authService.ExtractRolesFromAccessToken(token.AccessToken); len(roles) > 0 {
+							userInfo.Roles = roles
+						}
+					}
+					if !authService.IsAdmin(userInfo) {
+						if ui, err := authService.GetUserInfo(ctx, token); err == nil && len(ui.Roles) > 0 {
+							userInfo.Roles = ui.Roles
+						}
+					}
+					if !authService.IsAdmin(userInfo) {
+						logger.Warn().
+							Str("username", userInfo.Username).
+							Strs("required_roles", adminRoles).
+							Strs("roles", userInfo.Roles).
+							Msg("OIDC login denied: user does not have any required admin role")
+						return c.Status(fiber.StatusForbidden).JSON(fiber.Map{
+							"error": "User does not have the required admin role",
+						})
+					}
+				}
+
 				// Generate JWT session token
 				sessionToken, err := authService.GenerateSessionToken(userInfo)
 				if err != nil {
@@ -292,7 +312,7 @@ func SetupRoutes(
 				strings.HasPrefix(path, "/auth") ||
 				strings.HasPrefix(path, "/health") ||
 				strings.HasPrefix(path, "/docs") {
-				fmt.Println("API or health check route, skipping SPA fallback:", path)
+				logger.Debug().Str("path", path).Msg("API or health check route, skipping SPA fallback")
 				return c.Next()
 			}
 

backend/internal/routes/routes_more_test.go

@@ -0,0 +1,254 @@
+package routes
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+)
+
+// newNoAuthFixture builds a fixture with both admin and OIDC disabled. The
+// AuthMiddleware short-circuits with c.Next(), letting handler logic run so
+// wildcard-route dispatch can be exercised.
+func newNoAuthFixture(t *testing.T) *routeFixture {
+	return newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = false
+		c.Auth.OIDC.Enabled = false
+	})
+}
+
+func plainReq(method, path string, body io.Reader) *http.Request {
+	return httptest.NewRequest(method, path, body)
+}
+
+func TestRoutes_ObjectWildcard_GET_DefaultRoutesToGetObject(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	var gotBucket, gotKey string
+	f.S3.GetObjectFn = func(_ context.Context, bucket, key string) (io.ReadCloser, *models.ObjectInfo, error) {
+		gotBucket, gotKey = bucket, key
+		return io.NopCloser(strings.NewReader("hello")), &models.ObjectInfo{Key: key, Size: 5, ContentType: "text/plain"}, nil
+	}
+
+	req := plainReq(http.MethodGet, "/api/v1/buckets/b1/objects/folder/subdir/file.txt", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if gotBucket != "b1" || gotKey != "folder/subdir/file.txt" {
+		t.Errorf("service called with (%q, %q)", gotBucket, gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_GET_MetadataSuffixRoutesToMetadata(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	var gotKey string
+	f.S3.GetObjectMetadataFn = func(_ context.Context, _ string, key string) (*models.ObjectInfo, error) {
+		gotKey = key
+		return &models.ObjectInfo{Key: key, Size: 42, ContentType: "application/json"}, nil
+	}
+
+	req := plainReq(http.MethodGet, "/api/v1/buckets/b1/objects/data/file.bin/metadata", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	// The handler strips the /metadata suffix before calling the service.
+	if gotKey != "data/file.bin" {
+		t.Errorf("key passed to service = %q, want 'data/file.bin'", gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_GET_PresignSuffixRoutesToPresigned(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	// The object must exist for the presign handler to succeed.
+	f.S3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return true, nil }
+
+	var gotKey string
+	f.S3.GetPresignedURLFn = func(_ context.Context, _ string, key string, _ time.Duration) (string, error) {
+		gotKey = key
+		return "https://signed.example/k", nil
+	}
+
+	req := plainReq(http.MethodGet, "/api/v1/buckets/b1/objects/sub/file.bin/presign", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200 — body: (unavailable)", resp.StatusCode)
+	}
+	if gotKey != "sub/file.bin" {
+		t.Errorf("key passed to service = %q, want 'sub/file.bin'", gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_DELETE_RoutesToDeleteObject(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	f.S3.ObjectExistsFn = func(_ context.Context, _, _ string) (bool, error) { return true, nil }
+
+	var gotKey string
+	f.S3.DeleteObjectFn = func(_ context.Context, _ string, key string) error {
+		gotKey = key
+		return nil
+	}
+
+	req := plainReq(http.MethodDelete, "/api/v1/buckets/b1/objects/path/to/delete.txt", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if gotKey != "path/to/delete.txt" {
+		t.Errorf("key passed to service = %q", gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_HEAD_RoutesToMetadata(t *testing.T) {
+	f := newNoAuthFixture(t)
+
+	var gotKey string
+	f.S3.GetObjectMetadataFn = func(_ context.Context, _ string, key string) (*models.ObjectInfo, error) {
+		gotKey = key
+		return &models.ObjectInfo{Key: key, Size: 7, ContentType: "text/plain"}, nil
+	}
+
+	req := plainReq(http.MethodHead, "/api/v1/buckets/b1/objects/deep/nested/x.txt", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+	if gotKey != "deep/nested/x.txt" {
+		t.Errorf("key passed to service = %q", gotKey)
+	}
+}
+
+func TestRoutes_ObjectWildcard_URLDecodedBeforeDispatch(t *testing.T) {
+	// %20 in the wildcard portion must be decoded before the service is called.
+	f := newNoAuthFixture(t)
+
+	var gotKey string
+	f.S3.GetObjectFn = func(_ context.Context, _, key string) (io.ReadCloser, *models.ObjectInfo, error) {
+		gotKey = key
+		return io.NopCloser(strings.NewReader("")), &models.ObjectInfo{Key: key}, nil
+	}
+
+	req := plainReq(http.MethodGet, "/api/v1/buckets/b1/objects/with%20space/file.txt", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if gotKey != "with space/file.txt" {
+		t.Errorf("decoded key = %q, want 'with space/file.txt'", gotKey)
+	}
+}
+
+// Covers the "skip SPA fallback for API-prefixed paths" branch without
+// triggering SendFile (which holds file handles on Windows and races with
+// t.TempDir cleanup). Only API/auth/health/docs paths are hit here — the
+// fallback short-circuits to c.Next(), so no file is opened.
+func TestRoutes_SPAFallback_SkipsAPIAndAuthPrefixes(t *testing.T) {
+	dir := t.TempDir()
+	t.Chdir(dir)
+
+	// The presence of ./frontend/dist is what enables the fallback middleware.
+	if err := os.MkdirAll(filepath.Join(dir, "frontend", "dist"), 0o755); err != nil {
+		t.Fatalf("mkdir: %v", err)
+	}
+	// We deliberately do NOT create index.html — the test must not reach SendFile.
+
+	f := newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = true
+		c.Auth.Admin.Username = "u"
+		c.Auth.Admin.Password = "p"
+	})
+
+	// Every prefix listed in the fallback's skip-list should bypass file
+	// serving and return 404 from fiber's default handler.
+	for _, p := range []string{
+		"/api/v1/definitely-not-a-route",
+		"/auth/nope",
+		"/health/extra/segments",
+		"/docs/missing",
+	} {
+		req := httptest.NewRequest(http.MethodGet, p, nil)
+		resp, err := f.App.Test(req)
+		if err != nil {
+			t.Fatalf("%s: %v", p, err)
+		}
+		_ = resp.Body.Close()
+		// /api/v1/* hits auth middleware → 401. The others hit the SPA
+		// fallback's skip branch then fall through to 404. We only care that
+		// the SPA middleware did NOT attempt to serve index.html (which would
+		// succeed with 200 if it existed — here it doesn't exist, so SendFile
+		// would error; either way, != 200 suffices to prove the skip path ran).
+		if resp.StatusCode == 200 {
+			t.Errorf("%s returned 200 — SPA fallback should have skipped", p)
+		}
+	}
+}
+
+// Covers the third OIDC role-resolution fallback: when neither the ID token
+// nor the access token exposes roles, the callback calls GetUserInfo and
+// re-evaluates IsAdmin against those roles.
+func TestRoutes_OIDCCallback_RoleMatchedViaUserInfoFallback_Succeeds(t *testing.T) {
+	f, iss := newOIDCFixture(t, "admin")
+
+	// ID token and access token have no roles by default — leave as-is.
+	// Override /userinfo to return a roles structure matching the configured
+	// RoleAttributePath (resource_access.test-client.roles).
+	iss.UserInfoFn = func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"sub":                "user-1",
+			"preferred_username": "alice",
+			"email":              "alice@example.com",
+			"resource_access": map[string]any{
+				"test-client": map[string]any{"roles": []any{"admin"}},
+			},
+		})
+	}
+
+	state := oidcState(t, f)
+	req := httptest.NewRequest(http.MethodGet, "/auth/oidc/callback?state="+state+"&code=c", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 303 {
+		t.Fatalf("status = %d, want 303 (userinfo fallback should grant admin)", resp.StatusCode)
+	}
+	if loc := resp.Header.Get("Location"); loc != "/login?login=success" {
+		t.Errorf("Location = %q", loc)
+	}
+}

backend/internal/routes/routes_oidc_issuer_test.go

@@ -0,0 +1,209 @@
+package routes
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"math/big"
+	"net/http"
+	"net/http/httptest"
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+// testIssuer is a test-only fake OIDC provider. Fields with Fn suffix are
+// per-request hooks a test can swap; defaults implement a happy path.
+type testIssuer struct {
+	Server   *httptest.Server
+	ClientID string
+	Key      *rsa.PrivateKey
+	KeyID    string
+
+	mu sync.Mutex
+
+	// TokenEndpointFn, if set, overrides the default /token handler.
+	TokenEndpointFn func(w http.ResponseWriter, r *http.Request)
+	// UserInfoFn, if set, overrides the default /userinfo handler.
+	UserInfoFn func(w http.ResponseWriter, r *http.Request)
+
+	// Default token response state — used by the default TokenEndpointFn.
+	// Tests mutate these between requests rather than overriding the handler.
+	DefaultAccessClaims map[string]any
+	DefaultIDClaims     map[string]any
+	// When true the default /token handler omits id_token from the response.
+	OmitIDToken bool
+	// When non-empty, /token returns the specified HTTP status with a JSON
+	// error payload — simulating code-exchange failures.
+	TokenError string
+	// When true the default /token handler returns an id_token signed with a
+	// rogue key, forcing ID-token verification to fail.
+	SignIDTokenWithWrongKey bool
+}
+
+// newTestIssuer spins up the fake issuer and registers cleanup.
+func newTestIssuer(t *testing.T) *testIssuer {
+	t.Helper()
+	key, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		t.Fatalf("rsa.GenerateKey: %v", err)
+	}
+	iss := &testIssuer{
+		ClientID: "test-client",
+		Key:      key,
+		KeyID:    "test-key-1",
+	}
+
+	mux := http.NewServeMux()
+	var srv *httptest.Server
+
+	mux.HandleFunc("/.well-known/openid-configuration", func(w http.ResponseWriter, r *http.Request) {
+		doc := map[string]any{
+			"issuer":                                srv.URL,
+			"authorization_endpoint":                srv.URL + "/authorize",
+			"token_endpoint":                        srv.URL + "/token",
+			"userinfo_endpoint":                     srv.URL + "/userinfo",
+			"jwks_uri":                              srv.URL + "/jwks",
+			"id_token_signing_alg_values_supported": []string{"RS256"},
+			"response_types_supported":              []string{"code"},
+			"subject_types_supported":               []string{"public"},
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(doc)
+	})
+
+	mux.HandleFunc("/jwks", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(iss.jwks())
+	})
+
+	mux.HandleFunc("/authorize", func(w http.ResponseWriter, r *http.Request) {
+		// Tests exercise /auth/oidc/login which only reads the redirect URL;
+		// no need to implement the full authorize flow here.
+		w.WriteHeader(http.StatusOK)
+	})
+
+	mux.HandleFunc("/token", func(w http.ResponseWriter, r *http.Request) {
+		if iss.TokenEndpointFn != nil {
+			iss.TokenEndpointFn(w, r)
+			return
+		}
+		iss.defaultTokenHandler(w, r)
+	})
+
+	mux.HandleFunc("/userinfo", func(w http.ResponseWriter, r *http.Request) {
+		if iss.UserInfoFn != nil {
+			iss.UserInfoFn(w, r)
+			return
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"sub":                "user-1",
+			"preferred_username": "alice",
+			"email":              "alice@example.com",
+		})
+	})
+
+	srv = httptest.NewServer(mux)
+	iss.Server = srv
+	t.Cleanup(srv.Close)
+
+	// Happy-path defaults; tests override fields before exercising callback.
+	iss.DefaultIDClaims = map[string]any{
+		"iss":                srv.URL,
+		"sub":                "user-1",
+		"aud":                iss.ClientID,
+		"exp":                time.Now().Add(10 * time.Minute).Unix(),
+		"iat":                time.Now().Unix(),
+		"preferred_username": "alice",
+		"email":              "alice@example.com",
+	}
+	iss.DefaultAccessClaims = map[string]any{
+		"iss": srv.URL,
+		"sub": "user-1",
+		"exp": time.Now().Add(10 * time.Minute).Unix(),
+	}
+	return iss
+}
+
+func (iss *testIssuer) defaultTokenHandler(w http.ResponseWriter, r *http.Request) {
+	iss.mu.Lock()
+	defer iss.mu.Unlock()
+
+	if iss.TokenError != "" {
+		http.Error(w, iss.TokenError, http.StatusBadRequest)
+		return
+	}
+
+	access := iss.signJWT(iss.DefaultAccessClaims, iss.Key)
+	resp := map[string]any{
+		"access_token": access,
+		"token_type":   "Bearer",
+		"expires_in":   600,
+	}
+	if !iss.OmitIDToken {
+		key := iss.Key
+		if iss.SignIDTokenWithWrongKey {
+			rogue, _ := rsa.GenerateKey(rand.Reader, 2048)
+			key = rogue
+		}
+		resp["id_token"] = iss.signJWT(iss.DefaultIDClaims, key)
+	}
+	w.Header().Set("Content-Type", "application/json")
+	_ = json.NewEncoder(w).Encode(resp)
+}
+
+// signJWT signs the given claims with the given RSA key using RS256.
+func (iss *testIssuer) signJWT(claims map[string]any, key *rsa.PrivateKey) string {
+	tok := jwt.NewWithClaims(jwt.SigningMethodRS256, jwt.MapClaims(claims))
+	tok.Header["kid"] = iss.KeyID
+	signed, err := tok.SignedString(key)
+	if err != nil {
+		panic(fmt.Sprintf("signJWT: %v", err))
+	}
+	return signed
+}
+
+// jwks returns a JWKS document exposing the issuer's RSA public key.
+func (iss *testIssuer) jwks() map[string]any {
+	pub := iss.Key.PublicKey
+	return map[string]any{
+		"keys": []map[string]any{
+			{
+				"kty": "RSA",
+				"alg": "RS256",
+				"use": "sig",
+				"kid": iss.KeyID,
+				"n":   base64.RawURLEncoding.EncodeToString(pub.N.Bytes()),
+				"e":   base64.RawURLEncoding.EncodeToString(big.NewInt(int64(pub.E)).Bytes()),
+			},
+		},
+	}
+}
+
+// IDToken signs an ID token with the issuer key. Tests use this to mint
+// access tokens carrying nested role claims for fallback-path assertions.
+func (iss *testIssuer) IDToken(claims map[string]any) string {
+	return iss.signJWT(claims, iss.Key)
+}
+
+// AccessToken signs an access token carrying Keycloak-shaped resource_access
+// roles at resource_access.test-client.roles.
+func (iss *testIssuer) AccessToken(roles []string) string {
+	rolesAny := make([]any, 0, len(roles))
+	for _, r := range roles {
+		rolesAny = append(rolesAny, r)
+	}
+	return iss.signJWT(map[string]any{
+		"iss": iss.Server.URL,
+		"sub": "user-1",
+		"exp": time.Now().Add(10 * time.Minute).Unix(),
+		"resource_access": map[string]any{
+			"test-client": map[string]any{"roles": rolesAny},
+		},
+	}, iss.Key)
+}

backend/internal/routes/routes_test.go

@@ -0,0 +1,606 @@
+package routes
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/handlers"
+	"Noooste/garage-ui/internal/services"
+	"Noooste/garage-ui/internal/services/mocks"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+// routeFixture bundles everything a routes test needs.
+type routeFixture struct {
+	App   *fiber.App
+	Admin *mocks.AdminMock
+	S3    *mocks.S3Mock
+	Auth  *auth.Service
+	Cfg   *config.Config
+}
+
+// newTestApp builds a fully-wired fiber.App via SetupRoutes. The cfgMutator
+// lets each test flip Admin/OIDC/CORS flags before the auth.Service is
+// constructed. If the mutator sets OIDC.Enabled=true it MUST set
+// OIDC.IssuerURL + Scopes + AdminRole + ClientID so NewAuthService can dial
+// the issuer — typically via the testIssuer fixture.
+func newTestApp(t *testing.T, cfgMutator func(*config.Config)) *routeFixture {
+	t.Helper()
+
+	cfg := &config.Config{
+		Server: config.ServerConfig{
+			Port:        8080,
+			Environment: "test",
+		},
+		Auth: config.AuthConfig{},
+		CORS: config.CORSConfig{},
+	}
+	if cfgMutator != nil {
+		cfgMutator(cfg)
+	}
+
+	svc, err := auth.NewAuthService(&cfg.Auth, &cfg.Server)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	admin := &mocks.AdminMock{}
+	s3 := &mocks.S3Mock{}
+
+	app := fiber.New()
+	SetupRoutes(
+		app,
+		cfg,
+		svc,
+		handlers.NewHealthHandler("test"),
+		handlers.NewBucketHandler(admin, s3),
+		handlers.NewObjectHandler(s3),
+		handlers.NewUserHandler(admin),
+		handlers.NewClusterHandler(admin),
+		handlers.NewMonitoringHandler(admin, s3),
+		handlers.NewCapabilitiesHandler("v2", services.CapabilitiesV2()),
+	)
+
+	return &routeFixture{App: app, Admin: admin, S3: s3, Auth: svc, Cfg: cfg}
+}
+
+// expectStatus sends req and asserts the status code.
+func expectStatus(t *testing.T, app *fiber.App, req *http.Request, want int) *http.Response {
+	t.Helper()
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test(%s %s): %v", req.Method, req.URL.Path, err)
+	}
+	if resp.StatusCode != want {
+		t.Fatalf("%s %s: status = %d, want %d", req.Method, req.URL.Path, resp.StatusCode, want)
+	}
+	return resp
+}
+
+func TestRoutes_Registered_NoAuth(t *testing.T) {
+	// No auth: every route resolves; auth-specific routes return 404.
+	f := newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = false
+		c.Auth.OIDC.Enabled = false
+	})
+
+	// Public routes reachable → not 404. Status may be anything except 404.
+	for _, tc := range []struct {
+		method, path string
+	}{
+		{"GET", "/health"},
+		{"GET", "/api/v1/health"},
+		{"GET", "/auth/config"},
+	} {
+		req := httptest.NewRequest(tc.method, tc.path, nil)
+		resp, err := f.App.Test(req)
+		if err != nil {
+			t.Fatalf("%s %s: %v", tc.method, tc.path, err)
+		}
+		if resp.StatusCode == 404 {
+			t.Errorf("%s %s returned 404 — route not registered", tc.method, tc.path)
+		}
+	}
+
+	// Auth-specific routes must 404 when both auth methods disabled.
+	for _, tc := range []struct {
+		method, path string
+	}{
+		{"POST", "/auth/login"},
+		{"GET", "/auth/me"},
+		{"GET", "/auth/oidc/login"},
+		{"GET", "/auth/oidc/callback"},
+		{"POST", "/auth/oidc/logout"},
+	} {
+		req := httptest.NewRequest(tc.method, tc.path, nil)
+		expectStatus(t, f.App, req, 404)
+	}
+}
+
+func TestRoutes_Registered_AdminOnly(t *testing.T) {
+	f := newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = true
+		c.Auth.Admin.Username = "admin"
+		c.Auth.Admin.Password = "pw"
+	})
+
+	// /auth/login and /auth/me present; /auth/oidc/* not.
+	for _, tc := range []struct {
+		method, path string
+	}{
+		{"POST", "/auth/login"},
+		{"GET", "/auth/me"},
+	} {
+		req := httptest.NewRequest(tc.method, tc.path, nil)
+		resp, err := f.App.Test(req)
+		if err != nil {
+			t.Fatalf("%v", err)
+		}
+		if resp.StatusCode == 404 {
+			t.Errorf("%s %s returned 404", tc.method, tc.path)
+		}
+	}
+	for _, tc := range []struct {
+		method, path string
+	}{
+		{"GET", "/auth/oidc/login"},
+		{"GET", "/auth/oidc/callback"},
+		{"POST", "/auth/oidc/logout"},
+	} {
+		req := httptest.NewRequest(tc.method, tc.path, nil)
+		expectStatus(t, f.App, req, 404)
+	}
+}
+
+func TestRoutes_UnknownPath_Returns404(t *testing.T) {
+	f := newTestApp(t, nil)
+	req := httptest.NewRequest("GET", "/this/does/not/exist", nil)
+	expectStatus(t, f.App, req, 404)
+}
+
+func TestRoutes_AllAPIRoutesRegistered(t *testing.T) {
+	// With Admin enabled, hit every path/method declared in SetupRoutes.
+	// A route being "registered" = status != 404. Specific behavior depends
+	// on auth (401) or mock setup (500 from errNotConfigured) — we only
+	// care that fiber routed the request.
+	f := newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = true
+		c.Auth.Admin.Username = "admin"
+		c.Auth.Admin.Password = "pw"
+	})
+
+	cases := []struct {
+		method, path string
+	}{
+		// Buckets
+		{"GET", "/api/v1/buckets/"},
+		{"POST", "/api/v1/buckets/"},
+		{"GET", "/api/v1/buckets/b1"},
+		{"DELETE", "/api/v1/buckets/b1"},
+		{"POST", "/api/v1/buckets/b1/permissions"},
+		{"PUT", "/api/v1/buckets/b1/website"},
+		// Objects (listing + uploads)
+		{"GET", "/api/v1/buckets/b1/objects/"},
+		{"POST", "/api/v1/buckets/b1/objects/"},
+		{"POST", "/api/v1/buckets/b1/objects/upload-multiple"},
+		{"POST", "/api/v1/buckets/b1/objects/delete-multiple"},
+		// Object wildcard routes
+		{"GET", "/api/v1/buckets/b1/objects/folder/file.txt"},
+		{"GET", "/api/v1/buckets/b1/objects/folder/file.txt/metadata"},
+		{"GET", "/api/v1/buckets/b1/objects/folder/file.txt/presign"},
+		{"DELETE", "/api/v1/buckets/b1/objects/folder/file.txt"},
+		{"HEAD", "/api/v1/buckets/b1/objects/folder/file.txt"},
+		// Users
+		{"GET", "/api/v1/users/"},
+		{"POST", "/api/v1/users/"},
+		{"GET", "/api/v1/users/AKIA"},
+		{"GET", "/api/v1/users/AKIA/secret"},
+		{"DELETE", "/api/v1/users/AKIA"},
+		{"PATCH", "/api/v1/users/AKIA"},
+		// Cluster
+		{"GET", "/api/v1/cluster/health"},
+		{"GET", "/api/v1/cluster/status"},
+		{"GET", "/api/v1/cluster/statistics"},
+		{"GET", "/api/v1/cluster/nodes/n1"},
+		{"GET", "/api/v1/cluster/nodes/n1/statistics"},
+		// Monitoring
+		{"GET", "/api/v1/monitoring/metrics"},
+		{"GET", "/api/v1/monitoring/admin-health"},
+		{"GET", "/api/v1/monitoring/dashboard"},
+	}
+	for _, tc := range cases {
+		tc := tc
+		t.Run(tc.method+" "+tc.path, func(t *testing.T) {
+			req := httptest.NewRequest(tc.method, tc.path, nil)
+			resp, err := f.App.Test(req)
+			if err != nil {
+				t.Fatalf("%v", err)
+			}
+			if resp.StatusCode == 404 {
+				t.Errorf("route not registered (404): %s %s", tc.method, tc.path)
+			}
+		})
+	}
+}
+
+func TestRoutes_AuthRequired_For_APIRoutes(t *testing.T) {
+	f := newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = true
+		c.Auth.Admin.Username = "admin"
+		c.Auth.Admin.Password = "pw"
+	})
+
+	// Unauthenticated requests to /api/v1/* must return 401 — auth
+	// middleware must run before the handler.
+	for _, tc := range []struct{ method, path string }{
+		{"GET", "/api/v1/buckets/"},
+		{"GET", "/api/v1/users/"},
+		{"GET", "/api/v1/cluster/health"},
+		{"GET", "/api/v1/monitoring/metrics"},
+		// Object wildcard routes register AuthMiddleware separately — prove
+		// that wiring isn't missed for any of GET/DELETE/HEAD.
+		{"GET", "/api/v1/buckets/b/objects/k"},
+		{"DELETE", "/api/v1/buckets/b/objects/k"},
+		{"HEAD", "/api/v1/buckets/b/objects/k"},
+	} {
+		tc := tc
+		t.Run(tc.method+" "+tc.path, func(t *testing.T) {
+			req := httptest.NewRequest(tc.method, tc.path, nil)
+			expectStatus(t, f.App, req, 401)
+		})
+	}
+}
+
+func TestRoutes_NoAuth_On_PublicRoutes(t *testing.T) {
+	f := newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = true
+		c.Auth.Admin.Username = "admin"
+		c.Auth.Admin.Password = "pw"
+	})
+	for _, tc := range []struct{ method, path string }{
+		{"GET", "/health"},
+		{"GET", "/api/v1/health"},
+		{"GET", "/auth/config"},
+	} {
+		tc := tc
+		t.Run(tc.path, func(t *testing.T) {
+			req := httptest.NewRequest(tc.method, tc.path, nil)
+			resp, err := f.App.Test(req)
+			if err != nil {
+				t.Fatalf("%v", err)
+			}
+			if resp.StatusCode == 401 {
+				t.Errorf("public route unexpectedly returned 401: %s", tc.path)
+			}
+		})
+	}
+}
+
+func TestRoutes_CORS_Preflight_PassesBeforeAuth(t *testing.T) {
+	f := newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = true
+		c.Auth.Admin.Username = "admin"
+		c.Auth.Admin.Password = "pw"
+		c.CORS = config.CORSConfig{
+			Enabled:        true,
+			AllowedOrigins: []string{"https://ui.example"},
+			AllowedMethods: []string{"GET", "POST"},
+		}
+	})
+
+	req := httptest.NewRequest("OPTIONS", "/api/v1/buckets/", nil)
+	req.Header.Set("Origin", "https://ui.example")
+	resp := expectStatus(t, f.App, req, 204)
+	if got := resp.Header.Get("Access-Control-Allow-Origin"); got != "https://ui.example" {
+		t.Errorf("Allow-Origin = %q — CORS should have run before auth", got)
+	}
+}
+
+// newOIDCFixture builds a route fixture with OIDC enabled pointing at a
+// running testIssuer. The `adminRole` is applied to cfg.Auth.OIDC.AdminRole
+// (pass empty to disable the role gate).
+func newOIDCFixture(t *testing.T, adminRole string) (*routeFixture, *testIssuer) {
+	t.Helper()
+	iss := newTestIssuer(t)
+	f := newTestApp(t, func(c *config.Config) {
+		c.Server.RootURL = "https://app.example"
+		c.Auth.OIDC = config.OIDCConfig{
+			Enabled:           true,
+			ClientID:          iss.ClientID,
+			ClientSecret:      "secret",
+			IssuerURL:         iss.Server.URL,
+			Scopes:            []string{"openid", "profile", "email"},
+			AdminRole:         adminRole,
+			UsernameAttribute: "preferred_username",
+			EmailAttribute:    "email",
+			NameAttribute:     "name",
+			RoleAttributePath: "resource_access.test-client.roles",
+			CookieName:        "session",
+			CookieSecure:      false,
+			CookieHTTPOnly:    true,
+			CookieSameSite:    "Lax",
+			SessionMaxAge:     3600,
+		}
+	})
+	return f, iss
+}
+
+func TestRoutes_OIDCLogin_RedirectsToAuthorizeEndpoint(t *testing.T) {
+	f, iss := newOIDCFixture(t, "admin")
+
+	req := httptest.NewRequest("GET", "/auth/oidc/login", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 303 {
+		t.Fatalf("status = %d, want 303", resp.StatusCode)
+	}
+	loc := resp.Header.Get("Location")
+	if !strings.HasPrefix(loc, iss.Server.URL+"/authorize") {
+		t.Errorf("Location = %q, want prefix %s/authorize", loc, iss.Server.URL)
+	}
+	if !strings.Contains(loc, "state=") {
+		t.Errorf("Location missing state param: %s", loc)
+	}
+	if !strings.Contains(loc, "client_id=test-client") {
+		t.Errorf("Location missing client_id: %s", loc)
+	}
+}
+
+func TestRoutes_Registered_OIDCOnly(t *testing.T) {
+	f, _ := newOIDCFixture(t, "admin")
+
+	// /auth/oidc/* registered
+	for _, tc := range []struct{ method, path string }{
+		{"GET", "/auth/oidc/login"},
+		{"GET", "/auth/oidc/callback"},
+		{"POST", "/auth/oidc/logout"},
+	} {
+		req := httptest.NewRequest(tc.method, tc.path, nil)
+		resp, err := f.App.Test(req)
+		if err != nil {
+			t.Fatalf("%v", err)
+		}
+		if resp.StatusCode == 404 {
+			t.Errorf("%s %s not registered", tc.method, tc.path)
+		}
+	}
+
+	// /auth/login must be 404 — admin disabled.
+	req := httptest.NewRequest("POST", "/auth/login", nil)
+	expectStatus(t, f.App, req, 404)
+}
+
+// oidcState returns a fresh state token minted by the fixture's auth service.
+func oidcState(t *testing.T, f *routeFixture) string {
+	t.Helper()
+	s, err := f.Auth.GenerateStateToken()
+	if err != nil {
+		t.Fatalf("GenerateStateToken: %v", err)
+	}
+	return s
+}
+
+func TestRoutes_OIDCCallback_MissingState_Returns400(t *testing.T) {
+	f, _ := newOIDCFixture(t, "admin")
+	req := httptest.NewRequest("GET", "/auth/oidc/callback", nil)
+	expectStatus(t, f.App, req, 400)
+}
+
+func TestRoutes_OIDCCallback_InvalidState_Returns400(t *testing.T) {
+	f, _ := newOIDCFixture(t, "admin")
+	req := httptest.NewRequest("GET", "/auth/oidc/callback?state=not-a-valid-state&code=c", nil)
+	expectStatus(t, f.App, req, 400)
+}
+
+func TestRoutes_OIDCCallback_MissingCode_Returns400(t *testing.T) {
+	f, _ := newOIDCFixture(t, "admin")
+	state := oidcState(t, f)
+	req := httptest.NewRequest("GET", "/auth/oidc/callback?state="+state, nil)
+	expectStatus(t, f.App, req, 400)
+}
+
+func TestRoutes_OIDCCallback_TokenExchangeFails_Returns401(t *testing.T) {
+	f, iss := newOIDCFixture(t, "admin")
+	iss.TokenError = "invalid_grant"
+	defer func() { iss.TokenError = "" }()
+
+	state := oidcState(t, f)
+	req := httptest.NewRequest("GET", "/auth/oidc/callback?state="+state+"&code=c", nil)
+	expectStatus(t, f.App, req, 401)
+}
+
+func TestRoutes_OIDCCallback_MissingIDToken_Returns401(t *testing.T) {
+	f, iss := newOIDCFixture(t, "admin")
+	iss.OmitIDToken = true
+	defer func() { iss.OmitIDToken = false }()
+
+	state := oidcState(t, f)
+	req := httptest.NewRequest("GET", "/auth/oidc/callback?state="+state+"&code=c", nil)
+	expectStatus(t, f.App, req, 401)
+}
+
+func TestRoutes_OIDCCallback_BadIDTokenSignature_Returns401(t *testing.T) {
+	f, iss := newOIDCFixture(t, "admin")
+	iss.SignIDTokenWithWrongKey = true
+	defer func() { iss.SignIDTokenWithWrongKey = false }()
+
+	state := oidcState(t, f)
+	req := httptest.NewRequest("GET", "/auth/oidc/callback?state="+state+"&code=c", nil)
+	expectStatus(t, f.App, req, 401)
+}
+
+func TestRoutes_OIDCCallback_RoleGateDenies_Returns403(t *testing.T) {
+	f, _ := newOIDCFixture(t, "admin") // AdminRole set; no roles anywhere
+	state := oidcState(t, f)
+	req := httptest.NewRequest("GET", "/auth/oidc/callback?state="+state+"&code=c", nil)
+	expectStatus(t, f.App, req, 403)
+}
+
+func TestRoutes_OIDCCallback_NoRoleGate_HappyPathSetsCookieAndRedirects(t *testing.T) {
+	f, _ := newOIDCFixture(t, "") // AdminRole empty → role gate skipped
+	state := oidcState(t, f)
+
+	req := httptest.NewRequest("GET", "/auth/oidc/callback?state="+state+"&code=c", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 303 {
+		t.Fatalf("status = %d, want 303", resp.StatusCode)
+	}
+	if loc := resp.Header.Get("Location"); loc != "/login?login=success" {
+		t.Errorf("Location = %q", loc)
+	}
+
+	cookies := resp.Cookies()
+	var sess *http.Cookie
+	for _, c := range cookies {
+		if c.Name == "session" {
+			sess = c
+			break
+		}
+	}
+	if sess == nil {
+		t.Fatalf("no session cookie set: %+v", cookies)
+	}
+	if sess.Value == "" {
+		t.Error("session cookie value empty")
+	}
+	if !sess.HttpOnly {
+		t.Error("session cookie should be HttpOnly")
+	}
+	if sess.MaxAge != 3600 {
+		t.Errorf("MaxAge = %d, want 3600", sess.MaxAge)
+	}
+}
+
+func TestRoutes_OIDCCallback_RoleMatchedViaAccessTokenFallback_Succeeds(t *testing.T) {
+	f, iss := newOIDCFixture(t, "admin")
+	// Inject role into the access token so ExtractRolesFromAccessToken returns [admin].
+	iss.DefaultAccessClaims = map[string]any{
+		"iss": iss.Server.URL,
+		"sub": "user-1",
+		"exp": time.Now().Add(10 * time.Minute).Unix(),
+		"resource_access": map[string]any{
+			"test-client": map[string]any{"roles": []any{"admin"}},
+		},
+	}
+
+	state := oidcState(t, f)
+	req := httptest.NewRequest("GET", "/auth/oidc/callback?state="+state+"&code=c", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 303 {
+		t.Fatalf("status = %d, want 303 (access-token role fallback should match)", resp.StatusCode)
+	}
+	if loc := resp.Header.Get("Location"); loc != "/login?login=success" {
+		t.Errorf("Location = %q", loc)
+	}
+	var sess *http.Cookie
+	for _, c := range resp.Cookies() {
+		if c.Name == "session" {
+			sess = c
+		}
+	}
+	if sess == nil || sess.Value == "" {
+		t.Fatalf("expected session cookie with value, got %+v", sess)
+	}
+}
+
+func TestRoutes_OIDCLogout_ClearsCookieAndReturns200(t *testing.T) {
+	f, _ := newOIDCFixture(t, "admin")
+
+	req := httptest.NewRequest("POST", "/auth/oidc/logout", nil)
+	resp, err := f.App.Test(req)
+	if err != nil {
+		t.Fatalf("app.Test: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		t.Fatalf("status = %d, want 200", resp.StatusCode)
+	}
+
+	var body map[string]any
+	_ = json.NewDecoder(resp.Body).Decode(&body)
+	if body["success"] != true {
+		t.Errorf("success = %v, want true", body["success"])
+	}
+	if body["message"] != "Logged out successfully" {
+		t.Errorf("message = %v", body["message"])
+	}
+
+	var sess *http.Cookie
+	for _, c := range resp.Cookies() {
+		if c.Name == "session" {
+			sess = c
+		}
+	}
+	if sess == nil {
+		t.Fatalf("expected session cookie in response")
+	}
+	if sess.MaxAge != -1 {
+		t.Errorf("MaxAge = %d, want -1 (cookie cleared)", sess.MaxAge)
+	}
+	if sess.Value != "" {
+		t.Errorf("cookie Value = %q, want empty", sess.Value)
+	}
+}
+
+func TestRoutes_SPAFallback_NoFrontendDir_DoesNotMount(t *testing.T) {
+	// Chdir into an empty temp dir — frontend/dist does not exist, so the
+	// SPA fallback is not registered.
+	t.Chdir(t.TempDir())
+
+	f := newTestApp(t, nil)
+
+	req := httptest.NewRequest("GET", "/random/spa/path", nil)
+	expectStatus(t, f.App, req, 404)
+}
+
+func TestRoutes_SPAFallback_WithFrontend_ServesIndexForUnknownPath(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		// Fiber's c.SendFile holds a handle on the served file; Windows refuses
+		// t.TempDir RemoveAll cleanup. Behavior itself is platform-agnostic and
+		// covered on Linux in CI.
+		t.Skip("SPA fallback test skipped on Windows due to file-handle cleanup race")
+	}
+	dir := t.TempDir()
+	t.Chdir(dir)
+
+	// Create ./frontend/dist/index.html
+	if err := os.MkdirAll(filepath.Join(dir, "frontend", "dist"), 0o755); err != nil {
+		t.Fatalf("mkdir: %v", err)
+	}
+	index := filepath.Join(dir, "frontend", "dist", "index.html")
+	if err := os.WriteFile(index, []byte("<!doctype html><title>spa</title>"), 0o644); err != nil {
+		t.Fatalf("write: %v", err)
+	}
+
+	f := newTestApp(t, nil)
+
+	// Unknown SPA path → serves index.html.
+	req := httptest.NewRequest("GET", "/deep/spa/route", nil)
+	resp := expectStatus(t, f.App, req, 200)
+	body := make([]byte, 64)
+	n, _ := resp.Body.Read(body)
+	if !strings.Contains(string(body[:n]), "spa") {
+		t.Errorf("body = %q, want index.html content", string(body[:n]))
+	}
+
+	// API prefix is skipped by the fallback → still 404 for unknown API path.
+	req2 := httptest.NewRequest("GET", "/api/v1/definitely-not-a-route", nil)
+	expectStatus(t, f.App, req2, 404)
+}

backend/internal/services/admin_buckets_logging_test.go

@@ -0,0 +1,134 @@
+package services
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+	logpkg "Noooste/garage-ui/pkg/logger"
+
+	"github.com/rs/zerolog"
+)
+
+// newAdminWithServer creates a GarageV2AdminService pointed at a test server
+// and returns it with a cleanup hook.
+func newAdminWithServer(t *testing.T, handler http.HandlerFunc) *GarageV2AdminService {
+	t.Helper()
+	srv := httptest.NewServer(handler)
+	t.Cleanup(srv.Close)
+	cfg := &config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "test-token",
+	}
+	return NewGarageV2AdminService(cfg, "info")
+}
+
+// ctxWithBufferLogger attaches a zerolog.Logger writing to buf onto ctx.
+func ctxWithBufferLogger(buf *bytes.Buffer) context.Context {
+	l := zerolog.New(buf)
+	return logpkg.IntoCtx(context.Background(), l)
+}
+
+func parseJSONLines(t *testing.T, s string) []map[string]any {
+	t.Helper()
+	out := []map[string]any{}
+	for _, line := range strings.Split(s, "\n") {
+		if strings.TrimSpace(line) == "" {
+			continue
+		}
+		var m map[string]any
+		if err := json.Unmarshal([]byte(line), &m); err != nil {
+			t.Fatalf("not JSON: %v — %s", err, line)
+		}
+		out = append(out, m)
+	}
+	return out
+}
+
+func TestCreateBucket_SuccessLogsInfoWithFields(t *testing.T) {
+	admin := newAdminWithServer(t, func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		_ = json.NewEncoder(w).Encode(models.GarageBucketInfo{ID: "bkt-123"})
+	})
+
+	var buf bytes.Buffer
+	ctx := ctxWithBufferLogger(&buf)
+
+	alias := "my-bucket"
+	if _, err := admin.CreateBucket(ctx, models.CreateBucketAdminRequest{GlobalAlias: &alias}); err != nil {
+		t.Fatalf("CreateBucket: %v", err)
+	}
+
+	lines := parseJSONLines(t, buf.String())
+	if len(lines) < 2 {
+		t.Fatalf("expected >=2 lines (start + success), got %d: %s", len(lines), buf.String())
+	}
+
+	final := lines[len(lines)-1]
+	if final["component"] != "admin" {
+		t.Errorf("component = %v, want admin", final["component"])
+	}
+	if final["operation"] != "create_bucket" {
+		t.Errorf("operation = %v, want create_bucket", final["operation"])
+	}
+	if final["outcome"] != "success" {
+		t.Errorf("outcome = %v, want success", final["outcome"])
+	}
+	if final["level"] != "info" {
+		t.Errorf("level = %v, want info", final["level"])
+	}
+	if _, ok := final["duration_ms"].(float64); !ok {
+		t.Errorf("missing duration_ms: %v", final)
+	}
+	if final["bucket_id"] != "bkt-123" {
+		t.Errorf("bucket_id = %v, want bkt-123", final["bucket_id"])
+	}
+}
+
+func TestCreateBucket_FailureLogsError(t *testing.T) {
+	admin := newAdminWithServer(t, func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusConflict)
+		_, _ = w.Write([]byte(`{"error":"already exists"}`))
+	})
+
+	var buf bytes.Buffer
+	ctx := ctxWithBufferLogger(&buf)
+
+	alias := "duplicate"
+	_, err := admin.CreateBucket(ctx, models.CreateBucketAdminRequest{GlobalAlias: &alias})
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+
+	lines := parseJSONLines(t, buf.String())
+	var failure map[string]any
+	for _, line := range lines {
+		if line["level"] == "error" {
+			failure = line
+			break
+		}
+	}
+	if failure == nil {
+		t.Fatalf("no error-level log line: %s", buf.String())
+	}
+
+	if failure["outcome"] != "failure" {
+		t.Errorf("outcome = %v, want failure", failure["outcome"])
+	}
+	if failure["operation"] != "create_bucket" {
+		t.Errorf("operation = %v, want create_bucket", failure["operation"])
+	}
+	if _, ok := failure["error"].(string); !ok {
+		t.Errorf("missing error field: %v", failure)
+	}
+	if _, ok := failure["duration_ms"].(float64); !ok {
+		t.Errorf("missing duration_ms: %v", failure)
+	}
+}

backend/internal/services/admin_factory.go

@@ -0,0 +1,93 @@
+package services
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"time"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/pkg/logger"
+
+	"github.com/Noooste/azuretls-client"
+)
+
+var ErrUnsupported = errors.New("operation not supported by this Garage version")
+
+type Capabilities struct {
+	ClusterStatistics bool `json:"clusterStatistics"`
+	NodeInfo          bool `json:"nodeInfo"`
+	NodeStatistics    bool `json:"nodeStatistics"`
+}
+
+func CapabilitiesV2() Capabilities {
+	return Capabilities{
+		ClusterStatistics: true,
+		NodeInfo:          true,
+		NodeStatistics:    true,
+	}
+}
+
+func CapabilitiesV1() Capabilities {
+	return Capabilities{}
+}
+
+type AdminServiceResult struct {
+	Service      AdminService
+	Capabilities Capabilities
+	APIVersion   string
+}
+
+func NewAdminService(cfg *config.GarageConfig, logLevel string) (*AdminServiceResult, error) {
+	if err := probeEndpoint(cfg, "/v2/GetClusterHealth"); err == nil {
+		logger.Info().Str("api_version", "v2").Msg("Detected Garage admin API v2")
+		svc := NewGarageV2AdminService(cfg, logLevel)
+		return &AdminServiceResult{
+			Service:      svc,
+			Capabilities: CapabilitiesV2(),
+			APIVersion:   "v2",
+		}, nil
+	}
+
+	if err := probeEndpoint(cfg, "/v1/health"); err == nil {
+		logger.Info().
+			Str("api_version", "v1").
+			Msg("Detected Garage admin API v1 — cluster statistics and per-node details will be unavailable")
+		svc := NewGarageV1AdminService(cfg, logLevel)
+		return &AdminServiceResult{
+			Service:      svc,
+			Capabilities: CapabilitiesV1(),
+			APIVersion:   "v1",
+		}, nil
+	}
+
+	return nil, fmt.Errorf(
+		"could not connect to Garage admin API at %s. Ensure Garage v1.1+ is running and the admin API is enabled",
+		cfg.AdminEndpoint,
+	)
+}
+
+func probeEndpoint(cfg *config.GarageConfig, path string) error {
+	session := azuretls.NewSession()
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	resp, err := session.Do(&azuretls.Request{
+		Method:     http.MethodGet,
+		Url:        cfg.AdminEndpoint + path,
+		IgnoreBody: true,
+		OrderedHeaders: azuretls.OrderedHeaders{
+			{"Authorization", fmt.Sprintf("Bearer %s", cfg.AdminToken)},
+		},
+	}, ctx)
+	if err != nil {
+		return err
+	}
+	defer resp.RawBody.Close()
+
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return fmt.Errorf("probe %s returned status %d", path, resp.StatusCode)
+	}
+	return nil
+}

backend/internal/services/admin_factory_test.go

@@ -0,0 +1,91 @@
+package services
+
+import (
+	"errors"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+)
+
+func TestErrUnsupportedIsSentinel(t *testing.T) {
+	err := ErrUnsupported
+	if !errors.Is(err, ErrUnsupported) {
+		t.Fatal("ErrUnsupported should match itself via errors.Is")
+	}
+}
+
+func TestCapabilitiesV2AllTrue(t *testing.T) {
+	caps := CapabilitiesV2()
+	if !caps.ClusterStatistics || !caps.NodeInfo || !caps.NodeStatistics {
+		t.Fatalf("v2 capabilities should all be true, got %+v", caps)
+	}
+}
+
+func TestCapabilitiesV1AllFalse(t *testing.T) {
+	caps := CapabilitiesV1()
+	if caps.ClusterStatistics || caps.NodeInfo || caps.NodeStatistics {
+		t.Fatalf("v1 capabilities should all be false, got %+v", caps)
+	}
+}
+
+func TestDetectVersion_V2(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v2/GetClusterHealth" {
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+			return
+		}
+		w.WriteHeader(404)
+	}))
+	t.Cleanup(srv.Close)
+
+	cfg := &config.GarageConfig{AdminEndpoint: srv.URL, AdminToken: "tok"}
+	result, err := NewAdminService(cfg, "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.APIVersion != "v2" {
+		t.Fatalf("expected v2, got %s", result.APIVersion)
+	}
+	if !result.Capabilities.ClusterStatistics {
+		t.Fatal("v2 should have ClusterStatistics capability")
+	}
+}
+
+func TestDetectVersion_V1(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path == "/v2/GetClusterHealth" {
+			w.WriteHeader(404)
+			return
+		}
+		if r.URL.Path == "/v1/health" {
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+			return
+		}
+		w.WriteHeader(404)
+	}))
+	t.Cleanup(srv.Close)
+
+	cfg := &config.GarageConfig{AdminEndpoint: srv.URL, AdminToken: "tok"}
+	result, err := NewAdminService(cfg, "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.APIVersion != "v1" {
+		t.Fatalf("expected v1, got %s", result.APIVersion)
+	}
+	if result.Capabilities.ClusterStatistics {
+		t.Fatal("v1 should not have ClusterStatistics capability")
+	}
+}
+
+func TestDetectVersion_Unreachable(t *testing.T) {
+	cfg := &config.GarageConfig{AdminEndpoint: "http://127.0.0.1:1", AdminToken: "tok"}
+	_, err := NewAdminService(cfg, "")
+	if err == nil {
+		t.Fatal("expected error for unreachable server")
+	}
+}

backend/internal/services/admin_v1.go

@@ -0,0 +1,375 @@
+package services
+
+import (
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/pkg/utils"
+	logpkg "Noooste/garage-ui/pkg/logger"
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+
+	"github.com/Noooste/azuretls-client"
+)
+
+type GarageV1AdminService struct {
+	baseURL    string
+	token      string
+	httpClient *azuretls.Session
+}
+
+func NewGarageV1AdminService(cfg *config.GarageConfig, logLevel string) *GarageV1AdminService {
+	session := azuretls.NewSession()
+	if logLevel == "debug" {
+		session.Log()
+	}
+	return &GarageV1AdminService{
+		baseURL:    cfg.AdminEndpoint,
+		token:      cfg.AdminToken,
+		httpClient: session,
+	}
+}
+
+func (s *GarageV1AdminService) doRequest(ctx context.Context, method, path string, body interface{}) (*azuretls.Response, error) {
+	var resp *azuretls.Response
+	retryConfig := utils.DefaultRetryConfig()
+	err := utils.RetryWithBackoff(ctx, retryConfig, func() error {
+		var reqErr error
+		resp, reqErr = s.httpClient.Do(&azuretls.Request{
+			Method:     method,
+			Url:        s.baseURL + path,
+			Body:       body,
+			IgnoreBody: true,
+			OrderedHeaders: azuretls.OrderedHeaders{
+				{"Authorization", fmt.Sprintf("Bearer %s", s.token)},
+			},
+		}, ctx)
+		return reqErr
+	})
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (s *GarageV1AdminService) ListKeys(ctx context.Context) ([]models.ListKeysResponseItem, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/v1/key?list=true", nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result []models.ListKeysResponseItem
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return result, nil
+}
+
+func (s *GarageV1AdminService) CreateKey(ctx context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/key?list", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageKeyInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) GetKeyInfo(ctx context.Context, keyID string, showSecret bool) (*models.GarageKeyInfo, error) {
+	path := fmt.Sprintf("/v1/key?id=%s", keyID)
+	if showSecret {
+		path += "&showSecretKey=true"
+	}
+	resp, err := s.doRequest(ctx, http.MethodGet, path, nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageKeyInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) UpdateKey(ctx context.Context, keyID string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
+	path := fmt.Sprintf("/v1/key?id=%s", keyID)
+	resp, err := s.doRequest(ctx, http.MethodPost, path, req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageKeyInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) DeleteKey(ctx context.Context, keyID string) error {
+	path := fmt.Sprintf("/v1/key?id=%s", keyID)
+	resp, err := s.doRequest(ctx, http.MethodDelete, path, nil)
+	if err != nil {
+		return fmt.Errorf("request failed: %w", err)
+	}
+	if err := decodeResponse(resp, nil); err != nil {
+		return fmt.Errorf("failed to process response: %w", err)
+	}
+	return nil
+}
+
+func (s *GarageV1AdminService) ImportKey(ctx context.Context, req models.ImportKeyRequest) (*models.GarageKeyInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/key/import", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageKeyInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error) {
+	log := logpkg.FromCtx(ctx).With().Str("component", "admin-v1").Str("operation", "list_buckets").Logger()
+	log.Debug().Msg("listing buckets")
+	start := time.Now()
+	resp, err := s.doRequest(ctx, http.MethodGet, "/v1/bucket?list", nil)
+	if err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Msg("list_buckets request failed")
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result []models.ListBucketsResponseItem
+	if err := decodeResponse(resp, &result); err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Msg("list_buckets decode failed")
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	log.Debug().Float64("duration_ms", msSince(start)).Int("count", len(result)).Msg("listed buckets")
+	return result, nil
+}
+
+func (s *GarageV1AdminService) GetBucketInfo(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, fmt.Sprintf("/v1/bucket?id=%s", bucketID), nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) GetBucketInfoByAlias(ctx context.Context, globalAlias string) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, fmt.Sprintf("/v1/bucket?globalAlias=%s", globalAlias), nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/bucket", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPut, fmt.Sprintf("/v1/bucket?id=%s", bucketID), req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) DeleteBucket(ctx context.Context, bucketID string) error {
+	resp, err := s.doRequest(ctx, http.MethodDelete, fmt.Sprintf("/v1/bucket?id=%s", bucketID), nil)
+	if err != nil {
+		return fmt.Errorf("request failed: %w", err)
+	}
+	if err := decodeResponse(resp, nil); err != nil {
+		return fmt.Errorf("failed to process response: %w", err)
+	}
+	return nil
+}
+
+func (s *GarageV1AdminService) AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/bucket/allow", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+	resp, err := s.doRequest(ctx, http.MethodPost, "/v1/bucket/deny", req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) AddBucketAlias(ctx context.Context, req models.AddBucketAliasRequest) (*models.GarageBucketInfo, error) {
+	var path string
+	if req.GlobalAlias != nil {
+		path = fmt.Sprintf("/v1/bucket/alias/global?id=%s&alias=%s", req.BucketID, *req.GlobalAlias)
+	} else if req.LocalAlias != nil && req.AccessKeyID != nil {
+		path = fmt.Sprintf("/v1/bucket/alias/local?id=%s&accessKeyId=%s&alias=%s", req.BucketID, *req.AccessKeyID, *req.LocalAlias)
+	} else {
+		return nil, fmt.Errorf("AddBucketAlias requires either globalAlias or localAlias+accessKeyId")
+	}
+	resp, err := s.doRequest(ctx, http.MethodPut, path, nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) RemoveBucketAlias(ctx context.Context, req models.RemoveBucketAliasRequest) (*models.GarageBucketInfo, error) {
+	var path string
+	if req.GlobalAlias != nil {
+		path = fmt.Sprintf("/v1/bucket/alias/global?id=%s&alias=%s", req.BucketID, *req.GlobalAlias)
+	} else if req.LocalAlias != nil && req.AccessKeyID != nil {
+		path = fmt.Sprintf("/v1/bucket/alias/local?id=%s&accessKeyId=%s&alias=%s", req.BucketID, *req.AccessKeyID, *req.LocalAlias)
+	} else {
+		return nil, fmt.Errorf("RemoveBucketAlias requires either globalAlias or localAlias+accessKeyId")
+	}
+	resp, err := s.doRequest(ctx, http.MethodDelete, path, nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.GarageBucketInfo
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+func (s *GarageV1AdminService) GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/v1/health", nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var result models.ClusterHealth
+	if err := decodeResponse(resp, &result); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	return &result, nil
+}
+
+type v1StatusResponse struct {
+	Node          string        `json:"node"`
+	GarageVersion string        `json:"garageVersion"`
+	KnownNodes    []v1KnownNode `json:"knownNodes"`
+	Layout        *v1Layout     `json:"layout"`
+}
+
+type v1KnownNode struct {
+	ID              string `json:"id"`
+	Addr            string `json:"addr"`
+	IsUp            bool   `json:"isUp"`
+	LastSeenSecsAgo *int64 `json:"lastSeenSecsAgo"`
+	Hostname        string `json:"hostname"`
+}
+
+type v1Layout struct {
+	Version int `json:"version"`
+}
+
+func (s *GarageV1AdminService) GetClusterStatus(ctx context.Context) (*models.ClusterStatus, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/v1/status", nil)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	var raw v1StatusResponse
+	if err := decodeResponse(resp, &raw); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+	nodes := make([]models.NodeInfo, len(raw.KnownNodes))
+	for i, n := range raw.KnownNodes {
+		addr := n.Addr
+		hostname := n.Hostname
+		nodes[i] = models.NodeInfo{
+			ID:              n.ID,
+			IsUp:            n.IsUp,
+			LastSeenSecsAgo: n.LastSeenSecsAgo,
+			Hostname:        &hostname,
+			Addr:            &addr,
+		}
+	}
+	layoutVersion := 0
+	if raw.Layout != nil {
+		layoutVersion = raw.Layout.Version
+	}
+	return &models.ClusterStatus{
+		LayoutVersion: layoutVersion,
+		Nodes:         nodes,
+	}, nil
+}
+
+func (s *GarageV1AdminService) GetClusterStatistics(ctx context.Context) (*models.ClusterStatistics, error) {
+	return nil, ErrUnsupported
+}
+
+func (s *GarageV1AdminService) GetNodeInfo(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+	return nil, ErrUnsupported
+}
+
+func (s *GarageV1AdminService) GetNodeStatistics(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+	return nil, ErrUnsupported
+}
+
+func (s *GarageV1AdminService) HealthCheck(ctx context.Context) error {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/health", nil)
+	if err != nil {
+		return fmt.Errorf("health check failed: %w", err)
+	}
+	if err := decodeResponse(resp, nil); err != nil {
+		return fmt.Errorf("health check returned error: %w", err)
+	}
+	return nil
+}
+
+func (s *GarageV1AdminService) GetMetrics(ctx context.Context) (string, error) {
+	resp, err := s.doRequest(ctx, http.MethodGet, "/metrics", nil)
+	if err != nil {
+		return "", fmt.Errorf("request failed: %w", err)
+	}
+	defer resp.RawBody.Close()
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		bodyBytes, _ := io.ReadAll(resp.RawBody)
+		return "", fmt.Errorf("API returned status %d: %s", resp.StatusCode, string(bodyBytes))
+	}
+	bodyBytes, err := io.ReadAll(resp.RawBody)
+	if err != nil {
+		return "", fmt.Errorf("failed to read response: %w", err)
+	}
+	return string(bodyBytes), nil
+}

backend/internal/services/admin_v1_test.go

@@ -0,0 +1,635 @@
+package services
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+)
+
+func newV1TestServer(t *testing.T, handler http.Handler) *GarageV1AdminService {
+	t.Helper()
+	srv := httptest.NewServer(handler)
+	t.Cleanup(srv.Close)
+	return NewGarageV1AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "test-token",
+	}, "")
+}
+
+func TestV1_ListKeys(t *testing.T) {
+	items := []models.ListKeysResponseItem{{ID: "GK1", Name: "key1"}}
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodGet || r.URL.Path != "/v1/key" || r.URL.Query().Get("list") == "" {
+			t.Errorf("unexpected request: %s %s", r.Method, r.URL)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(items)
+	}))
+	result, err := svc.ListKeys(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(result) != 1 || result[0].ID != "GK1" {
+		t.Fatalf("unexpected result: %+v", result)
+	}
+}
+
+func TestV1_GetClusterHealth(t *testing.T) {
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/v1/health" {
+			t.Errorf("unexpected path: %s", r.URL.Path)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		w.Write([]byte(`{"status":"healthy","knownNodes":3,"connectedNodes":3,"storageNodes":3,"storageNodesOk":3,"partitions":256,"partitionsQuorum":256,"partitionsAllOk":256}`))
+	}))
+	health, err := svc.GetClusterHealth(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if health.StorageNodesUp != 3 {
+		t.Fatalf("expected StorageNodesUp=3, got %d", health.StorageNodesUp)
+	}
+}
+
+func TestV1_GetClusterStatistics_Unsupported(t *testing.T) {
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		t.Fatal("should not make any HTTP request for unsupported operations")
+	}))
+	_, err := svc.GetClusterStatistics(context.Background())
+	if !errors.Is(err, ErrUnsupported) {
+		t.Fatalf("expected ErrUnsupported, got %v", err)
+	}
+}
+
+func TestV1_GetNodeInfo_Unsupported(t *testing.T) {
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		t.Fatal("should not make any HTTP request for unsupported operations")
+	}))
+	_, err := svc.GetNodeInfo(context.Background(), "abc")
+	if !errors.Is(err, ErrUnsupported) {
+		t.Fatalf("expected ErrUnsupported, got %v", err)
+	}
+}
+
+func TestV1_GetNodeStatistics_Unsupported(t *testing.T) {
+	svc := newV1TestServer(t, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		t.Fatal("should not make any HTTP request for unsupported operations")
+	}))
+	_, err := svc.GetNodeStatistics(context.Background(), "abc")
+	if !errors.Is(err, ErrUnsupported) {
+		t.Fatalf("expected ErrUnsupported, got %v", err)
+	}
+}
+
+// v1RecordingHandler returns a handler that records the request and responds with JSON.
+func v1RecordingHandler(t *testing.T, status int, body any) (http.Handler, *recordedRequest) {
+	t.Helper()
+	rec := &recordedRequest{}
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		rec.method = r.Method
+		rec.path = r.URL.Path
+		rec.rawURL = r.URL.RequestURI()
+		rec.auth = r.Header.Get("Authorization")
+		if r.Body != nil {
+			b, _ := io.ReadAll(r.Body)
+			rec.body = b
+		}
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(status)
+		if body != nil {
+			json.NewEncoder(w).Encode(body)
+		}
+	})
+	return h, rec
+}
+
+func newV1RecordingServer(t *testing.T, status int, body any) (*GarageV1AdminService, *recordedRequest) {
+	t.Helper()
+	h, rec := v1RecordingHandler(t, status, body)
+	srv := httptest.NewServer(h)
+	t.Cleanup(srv.Close)
+	svc := NewGarageV1AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "test-token",
+	}, "")
+	return svc, rec
+}
+
+func TestV1_CreateKey(t *testing.T) {
+	name := "mykey"
+	want := &models.GarageKeyInfo{AccessKeyID: "GK1", Name: name}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.CreateKey(context.Background(), models.CreateKeyRequest{Name: &name})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/key" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if got.AccessKeyID != "GK1" {
+		t.Errorf("AccessKeyID = %q, want GK1", got.AccessKeyID)
+	}
+}
+
+func TestV1_GetKeyInfo(t *testing.T) {
+	want := &models.GarageKeyInfo{AccessKeyID: "ABC"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.GetKeyInfo(context.Background(), "ABC", true)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodGet {
+		t.Errorf("method = %q, want GET", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=ABC") || !strings.Contains(rec.rawURL, "showSecretKey=true") {
+		t.Errorf("rawURL = %q, want id=ABC&showSecretKey=true", rec.rawURL)
+	}
+	if got.AccessKeyID != "ABC" {
+		t.Errorf("got %q, want ABC", got.AccessKeyID)
+	}
+}
+
+func TestV1_UpdateKey(t *testing.T) {
+	want := &models.GarageKeyInfo{AccessKeyID: "K1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	_, err := svc.UpdateKey(context.Background(), "K1", models.UpdateKeyRequest{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost {
+		t.Errorf("method = %q, want POST", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=K1") {
+		t.Errorf("rawURL = %q, want id=K1", rec.rawURL)
+	}
+}
+
+func TestV1_DeleteKey(t *testing.T) {
+	svc, rec := newV1RecordingServer(t, 200, nil)
+
+	err := svc.DeleteKey(context.Background(), "K1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodDelete {
+		t.Errorf("method = %q, want DELETE", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=K1") {
+		t.Errorf("rawURL = %q, want id=K1", rec.rawURL)
+	}
+}
+
+func TestV1_ImportKey(t *testing.T) {
+	want := &models.GarageKeyInfo{AccessKeyID: "GKimported"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.ImportKey(context.Background(), models.ImportKeyRequest{
+		AccessKeyID:     "GKimported",
+		SecretAccessKey: "secret",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/key/import" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if got.AccessKeyID != "GKimported" {
+		t.Errorf("got %q", got.AccessKeyID)
+	}
+}
+
+func TestV1_ListBuckets(t *testing.T) {
+	want := []models.ListBucketsResponseItem{{ID: "b1", GlobalAliases: []string{"mybucket"}}}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.ListBuckets(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodGet || rec.path != "/v1/bucket" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if len(got) != 1 || got[0].ID != "b1" {
+		t.Errorf("got %+v", got)
+	}
+}
+
+func TestV1_GetBucketInfo(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.GetBucketInfo(context.Background(), "b1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(rec.rawURL, "id=b1") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+	if got.ID != "b1" {
+		t.Errorf("got %q", got.ID)
+	}
+}
+
+func TestV1_GetBucketInfoByAlias(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b2"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	got, err := svc.GetBucketInfoByAlias(context.Background(), "myalias")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(rec.rawURL, "globalAlias=myalias") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+	if got.ID != "b2" {
+		t.Errorf("got %q", got.ID)
+	}
+}
+
+func TestV1_CreateBucket(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "newb"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	alias := "test-bucket"
+	got, err := svc.CreateBucket(context.Background(), models.CreateBucketAdminRequest{GlobalAlias: &alias})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/bucket" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if got.ID != "newb" {
+		t.Errorf("got %q", got.ID)
+	}
+}
+
+func TestV1_UpdateBucket(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	_, err := svc.UpdateBucket(context.Background(), "b1", models.UpdateBucketRequest{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPut {
+		t.Errorf("method = %q, want PUT", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=b1") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+}
+
+func TestV1_DeleteBucket(t *testing.T) {
+	svc, rec := newV1RecordingServer(t, 200, nil)
+
+	err := svc.DeleteBucket(context.Background(), "b1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodDelete {
+		t.Errorf("method = %q, want DELETE", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=b1") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+}
+
+func TestV1_AllowBucketKey(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	_, err := svc.AllowBucketKey(context.Background(), models.BucketKeyPermRequest{
+		BucketID: "b1", AccessKeyID: "k1",
+		Permissions: models.BucketKeyPermission{Read: true},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/bucket/allow" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_DenyBucketKey(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	_, err := svc.DenyBucketKey(context.Background(), models.BucketKeyPermRequest{
+		BucketID: "b1", AccessKeyID: "k1",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v1/bucket/deny" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_AddBucketAlias_Global(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	alias := "myalias"
+	_, err := svc.AddBucketAlias(context.Background(), models.AddBucketAliasRequest{
+		BucketID: "b1", GlobalAlias: &alias,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPut || rec.path != "/v1/bucket/alias/global" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	if !strings.Contains(rec.rawURL, "id=b1") || !strings.Contains(rec.rawURL, "alias=myalias") {
+		t.Errorf("rawURL = %q", rec.rawURL)
+	}
+}
+
+func TestV1_AddBucketAlias_Local(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	alias := "localname"
+	keyID := "GK1"
+	_, err := svc.AddBucketAlias(context.Background(), models.AddBucketAliasRequest{
+		BucketID: "b1", LocalAlias: &alias, AccessKeyID: &keyID,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodPut || rec.path != "/v1/bucket/alias/local" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_RemoveBucketAlias_Global(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+
+	alias := "myalias"
+	_, err := svc.RemoveBucketAlias(context.Background(), models.RemoveBucketAliasRequest{
+		BucketID: "b1", GlobalAlias: &alias,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodDelete || rec.path != "/v1/bucket/alias/global" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_GetClusterStatus(t *testing.T) {
+	raw := map[string]any{
+		"node":          "abc123",
+		"garageVersion": "1.3.0",
+		"knownNodes": []map[string]any{
+			{"id": "n1", "addr": "1.2.3.4:3901", "isUp": true, "hostname": "node1"},
+			{"id": "n2", "addr": "5.6.7.8:3901", "isUp": false, "lastSeenSecsAgo": 60, "hostname": "node2"},
+		},
+		"layout": map[string]any{"version": 3},
+	}
+	svc, rec := newV1RecordingServer(t, 200, raw)
+
+	got, err := svc.GetClusterStatus(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.path != "/v1/status" {
+		t.Errorf("path = %q, want /v1/status", rec.path)
+	}
+	if got.LayoutVersion != 3 {
+		t.Errorf("LayoutVersion = %d, want 3", got.LayoutVersion)
+	}
+	if len(got.Nodes) != 2 {
+		t.Fatalf("len(Nodes) = %d, want 2", len(got.Nodes))
+	}
+	if got.Nodes[0].ID != "n1" || !got.Nodes[0].IsUp {
+		t.Errorf("Nodes[0] = %+v", got.Nodes[0])
+	}
+	if got.Nodes[1].ID != "n2" || got.Nodes[1].IsUp {
+		t.Errorf("Nodes[1] = %+v", got.Nodes[1])
+	}
+}
+
+func TestV1_HealthCheck(t *testing.T) {
+	svc, rec := newV1RecordingServer(t, 200, nil)
+
+	err := svc.HealthCheck(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.path != "/health" {
+		t.Errorf("path = %q, want /health", rec.path)
+	}
+}
+
+func TestV1_ErrorPaths(t *testing.T) {
+	// Server that returns 500 for all requests to exercise error branches.
+	srv500 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(500)
+		w.Write([]byte(`{"error":"internal"}`))
+	}))
+	t.Cleanup(srv500.Close)
+	svc := NewGarageV1AdminService(&config.GarageConfig{
+		AdminEndpoint: srv500.URL,
+		AdminToken:    "tok",
+	}, "")
+
+	ctx := context.Background()
+
+	if _, err := svc.ListKeys(ctx); err == nil {
+		t.Error("ListKeys: expected error")
+	}
+	if _, err := svc.CreateKey(ctx, models.CreateKeyRequest{}); err == nil {
+		t.Error("CreateKey: expected error")
+	}
+	if _, err := svc.GetKeyInfo(ctx, "k", false); err == nil {
+		t.Error("GetKeyInfo: expected error")
+	}
+	if _, err := svc.UpdateKey(ctx, "k", models.UpdateKeyRequest{}); err == nil {
+		t.Error("UpdateKey: expected error")
+	}
+	if err := svc.DeleteKey(ctx, "k"); err == nil {
+		t.Error("DeleteKey: expected error")
+	}
+	if _, err := svc.ImportKey(ctx, models.ImportKeyRequest{}); err == nil {
+		t.Error("ImportKey: expected error")
+	}
+	if _, err := svc.ListBuckets(ctx); err == nil {
+		t.Error("ListBuckets: expected error")
+	}
+	if _, err := svc.GetBucketInfo(ctx, "b"); err == nil {
+		t.Error("GetBucketInfo: expected error")
+	}
+	if _, err := svc.GetBucketInfoByAlias(ctx, "a"); err == nil {
+		t.Error("GetBucketInfoByAlias: expected error")
+	}
+	if _, err := svc.CreateBucket(ctx, models.CreateBucketAdminRequest{}); err == nil {
+		t.Error("CreateBucket: expected error")
+	}
+	if _, err := svc.UpdateBucket(ctx, "b", models.UpdateBucketRequest{}); err == nil {
+		t.Error("UpdateBucket: expected error")
+	}
+	if err := svc.DeleteBucket(ctx, "b"); err == nil {
+		t.Error("DeleteBucket: expected error")
+	}
+	if _, err := svc.AllowBucketKey(ctx, models.BucketKeyPermRequest{}); err == nil {
+		t.Error("AllowBucketKey: expected error")
+	}
+	if _, err := svc.DenyBucketKey(ctx, models.BucketKeyPermRequest{}); err == nil {
+		t.Error("DenyBucketKey: expected error")
+	}
+	alias := "a"
+	if _, err := svc.AddBucketAlias(ctx, models.AddBucketAliasRequest{BucketID: "b", GlobalAlias: &alias}); err == nil {
+		t.Error("AddBucketAlias: expected error")
+	}
+	if _, err := svc.RemoveBucketAlias(ctx, models.RemoveBucketAliasRequest{BucketID: "b", GlobalAlias: &alias}); err == nil {
+		t.Error("RemoveBucketAlias: expected error")
+	}
+	if _, err := svc.GetClusterHealth(ctx); err == nil {
+		t.Error("GetClusterHealth: expected error")
+	}
+	if _, err := svc.GetClusterStatus(ctx); err == nil {
+		t.Error("GetClusterStatus: expected error")
+	}
+	if err := svc.HealthCheck(ctx); err == nil {
+		t.Error("HealthCheck: expected error")
+	}
+	if _, err := svc.GetMetrics(ctx); err == nil {
+		t.Error("GetMetrics: expected error")
+	}
+}
+
+func TestV1_RequestFailurePaths(t *testing.T) {
+	// Use a cancelled context to make doRequest fail immediately (no retry wait).
+	svc, _ := newV1RecordingServer(t, 200, nil)
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel() // cancel immediately
+
+	if _, err := svc.ListKeys(ctx); err == nil {
+		t.Error("ListKeys: expected error")
+	}
+	if _, err := svc.CreateKey(ctx, models.CreateKeyRequest{}); err == nil {
+		t.Error("CreateKey: expected error")
+	}
+	if _, err := svc.GetKeyInfo(ctx, "k", false); err == nil {
+		t.Error("GetKeyInfo: expected error")
+	}
+	if _, err := svc.UpdateKey(ctx, "k", models.UpdateKeyRequest{}); err == nil {
+		t.Error("UpdateKey: expected error")
+	}
+	if err := svc.DeleteKey(ctx, "k"); err == nil {
+		t.Error("DeleteKey: expected error")
+	}
+	if _, err := svc.ImportKey(ctx, models.ImportKeyRequest{}); err == nil {
+		t.Error("ImportKey: expected error")
+	}
+	if _, err := svc.ListBuckets(ctx); err == nil {
+		t.Error("ListBuckets: expected error")
+	}
+	if _, err := svc.GetBucketInfo(ctx, "b"); err == nil {
+		t.Error("GetBucketInfo: expected error")
+	}
+	if _, err := svc.GetBucketInfoByAlias(ctx, "a"); err == nil {
+		t.Error("GetBucketInfoByAlias: expected error")
+	}
+	if _, err := svc.CreateBucket(ctx, models.CreateBucketAdminRequest{}); err == nil {
+		t.Error("CreateBucket: expected error")
+	}
+	if _, err := svc.UpdateBucket(ctx, "b", models.UpdateBucketRequest{}); err == nil {
+		t.Error("UpdateBucket: expected error")
+	}
+	if err := svc.DeleteBucket(ctx, "b"); err == nil {
+		t.Error("DeleteBucket: expected error")
+	}
+	if _, err := svc.AllowBucketKey(ctx, models.BucketKeyPermRequest{}); err == nil {
+		t.Error("AllowBucketKey: expected error")
+	}
+	if _, err := svc.DenyBucketKey(ctx, models.BucketKeyPermRequest{}); err == nil {
+		t.Error("DenyBucketKey: expected error")
+	}
+	alias := "a"
+	if _, err := svc.AddBucketAlias(ctx, models.AddBucketAliasRequest{BucketID: "b", GlobalAlias: &alias}); err == nil {
+		t.Error("AddBucketAlias: expected error")
+	}
+	if _, err := svc.RemoveBucketAlias(ctx, models.RemoveBucketAliasRequest{BucketID: "b", GlobalAlias: &alias}); err == nil {
+		t.Error("RemoveBucketAlias: expected error")
+	}
+	if _, err := svc.GetClusterHealth(ctx); err == nil {
+		t.Error("GetClusterHealth: expected error")
+	}
+	if _, err := svc.GetClusterStatus(ctx); err == nil {
+		t.Error("GetClusterStatus: expected error")
+	}
+	if err := svc.HealthCheck(ctx); err == nil {
+		t.Error("HealthCheck: expected error")
+	}
+	if _, err := svc.GetMetrics(ctx); err == nil {
+		t.Error("GetMetrics: expected error")
+	}
+}
+
+func TestV1_AddBucketAlias_MissingFields(t *testing.T) {
+	svc, _ := newV1RecordingServer(t, 200, nil)
+	// Neither globalAlias nor localAlias set
+	_, err := svc.AddBucketAlias(context.Background(), models.AddBucketAliasRequest{BucketID: "b"})
+	if err == nil {
+		t.Fatal("expected error for missing alias fields")
+	}
+}
+
+func TestV1_RemoveBucketAlias_MissingFields(t *testing.T) {
+	svc, _ := newV1RecordingServer(t, 200, nil)
+	_, err := svc.RemoveBucketAlias(context.Background(), models.RemoveBucketAliasRequest{BucketID: "b"})
+	if err == nil {
+		t.Fatal("expected error for missing alias fields")
+	}
+}
+
+func TestV1_RemoveBucketAlias_Local(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "b1"}
+	svc, rec := newV1RecordingServer(t, 200, want)
+	alias := "localname"
+	keyID := "GK1"
+	_, err := svc.RemoveBucketAlias(context.Background(), models.RemoveBucketAliasRequest{
+		BucketID: "b1", LocalAlias: &alias, AccessKeyID: &keyID,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if rec.method != http.MethodDelete || rec.path != "/v1/bucket/alias/local" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestV1_GetMetrics(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "text/plain")
+		w.WriteHeader(200)
+		w.Write([]byte("garage_up 1\n"))
+	}))
+	t.Cleanup(srv.Close)
+	svc := NewGarageV1AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "tok",
+	}, "")
+
+	got, err := svc.GetMetrics(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(got, "garage_up") {
+		t.Errorf("got %q", got)
+	}
+}

backend/internal/services/admin_v2.go

@@ -4,28 +4,33 @@ import (
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/models"
 	"Noooste/garage-ui/pkg/utils"
+	logpkg "Noooste/garage-ui/pkg/logger"
 	"context"
 	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
+	"time"
 
 	"github.com/Noooste/azuretls-client"
 )
 
-// GarageAdminService handles interactions with the Garage Admin API
-type GarageAdminService struct {
+// GarageV2AdminService handles interactions with the Garage Admin API
+type GarageV2AdminService struct {
 	baseURL    string
 	token      string
 	httpClient *azuretls.Session
 }
 
-// NewGarageAdminService creates a new Garage Admin API service
-func NewGarageAdminService(cfg *config.GarageConfig) *GarageAdminService {
+// NewGarageV2AdminService creates a new Garage Admin API service
+func NewGarageV2AdminService(cfg *config.GarageConfig, logLevel string) *GarageV2AdminService {
 	session := azuretls.NewSession()
-	session.Log()
 
-	return &GarageAdminService{
+	if logLevel == "debug" {
+		session.Log()
+	}
+
+	return &GarageV2AdminService{
 		baseURL:    cfg.AdminEndpoint,
 		token:      cfg.AdminToken,
 		httpClient: session,
@@ -33,7 +38,7 @@ func NewGarageAdminService(cfg *config.GarageConfig) *GarageAdminService {
 }
 
 // doRequest performs an HTTP request to the Admin API with retry logic for connection refused errors
-func (s *GarageAdminService) doRequest(ctx context.Context, method, path string, body interface{}) (*azuretls.Response, error) {
+func (s *GarageV2AdminService) doRequest(ctx context.Context, method, path string, body interface{}) (*azuretls.Response, error) {
 	var resp *azuretls.Response
 
 	retryConfig := utils.DefaultRetryConfig()
@@ -76,12 +81,8 @@ func decodeResponse(resp *azuretls.Response, target interface{}) error {
 	return nil
 }
 
-// ====================================
-// Access Key Operations
-// ====================================
-
 // ListKeys returns all access keys in the cluster
-func (s *GarageAdminService) ListKeys(ctx context.Context) ([]models.ListKeysResponseItem, error) {
+func (s *GarageV2AdminService) ListKeys(ctx context.Context) ([]models.ListKeysResponseItem, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/v2/ListKeys", nil)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -96,7 +97,7 @@ func (s *GarageAdminService) ListKeys(ctx context.Context) ([]models.ListKeysRes
 }
 
 // CreateKey creates a new API access key
-func (s *GarageAdminService) CreateKey(ctx context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error) {
+func (s *GarageV2AdminService) CreateKey(ctx context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/CreateKey", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -111,7 +112,7 @@ func (s *GarageAdminService) CreateKey(ctx context.Context, req models.CreateKey
 }
 
 // GetKeyInfo returns information about a specific access key
-func (s *GarageAdminService) GetKeyInfo(ctx context.Context, keyID string, showSecret bool) (*models.GarageKeyInfo, error) {
+func (s *GarageV2AdminService) GetKeyInfo(ctx context.Context, keyID string, showSecret bool) (*models.GarageKeyInfo, error) {
 	path := fmt.Sprintf("/v2/GetKeyInfo?id=%s", keyID)
 	if showSecret {
 		path += "&showSecretKey=true"
@@ -131,7 +132,7 @@ func (s *GarageAdminService) GetKeyInfo(ctx context.Context, keyID string, showS
 }
 
 // UpdateKey updates information about an access key
-func (s *GarageAdminService) UpdateKey(ctx context.Context, keyID string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
+func (s *GarageV2AdminService) UpdateKey(ctx context.Context, keyID string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
 	path := fmt.Sprintf("/v2/UpdateKey?id=%s", keyID)
 
 	resp, err := s.doRequest(ctx, http.MethodPost, path, req)
@@ -148,7 +149,7 @@ func (s *GarageAdminService) UpdateKey(ctx context.Context, keyID string, req mo
 }
 
 // DeleteKey deletes an access key from the cluster
-func (s *GarageAdminService) DeleteKey(ctx context.Context, keyID string) error {
+func (s *GarageV2AdminService) DeleteKey(ctx context.Context, keyID string) error {
 	path := fmt.Sprintf("/v2/DeleteKey?id=%s", keyID)
 
 	resp, err := s.doRequest(ctx, http.MethodPost, path, nil)
@@ -164,7 +165,7 @@ func (s *GarageAdminService) DeleteKey(ctx context.Context, keyID string) error
 }
 
 // ImportKey imports an existing API access key
-func (s *GarageAdminService) ImportKey(ctx context.Context, req models.ImportKeyRequest) (*models.GarageKeyInfo, error) {
+func (s *GarageV2AdminService) ImportKey(ctx context.Context, req models.ImportKeyRequest) (*models.GarageKeyInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/ImportKey", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -178,113 +179,182 @@ func (s *GarageAdminService) ImportKey(ctx context.Context, req models.ImportKey
 	return &result, nil
 }
 
-// ====================================
-// Bucket Operations (Admin API)
-// ====================================
+// ListBuckets returns all buckets in the cluster.
+func (s *GarageV2AdminService) ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error) {
+	log := logpkg.FromCtx(ctx).With().
+		Str("component", "admin").
+		Str("operation", "list_buckets").
+		Logger()
+
+	log.Debug().Msg("listing buckets")
+	start := time.Now()
 
-// ListBuckets returns all buckets in the cluster
-func (s *GarageAdminService) ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/v2/ListBuckets", nil)
 	if err != nil {
+		log.Error().Err(err).
+			Float64("duration_ms", msSince(start)).
+			Str("outcome", "failure").
+			Msg("garage list_buckets request failed")
 		return nil, fmt.Errorf("request failed: %w", err)
 	}
 
 	var result []models.ListBucketsResponseItem
 	if err := decodeResponse(resp, &result); err != nil {
+		log.Error().Err(err).
+			Float64("duration_ms", msSince(start)).
+			Str("outcome", "failure").
+			Msg("garage list_buckets decode failed")
 		return nil, fmt.Errorf("failed to decode response: %w", err)
 	}
 
+	log.Debug().
+		Float64("duration_ms", msSince(start)).
+		Str("outcome", "success").
+		Int("count", len(result)).
+		Msg("listed buckets")
 	return result, nil
 }
 
-// GetBucketInfo returns detailed information about a bucket by ID
-func (s *GarageAdminService) GetBucketInfo(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error) {
-	path := fmt.Sprintf("/v2/GetBucketInfo?id=%s", bucketID)
+// GetBucketInfo returns detailed information about a bucket by ID.
+func (s *GarageV2AdminService) GetBucketInfo(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error) {
+	log := logpkg.FromCtx(ctx).With().
+		Str("component", "admin").
+		Str("operation", "get_bucket_info").
+		Str("bucket_id", bucketID).
+		Logger()
 
-	resp, err := s.doRequest(ctx, http.MethodGet, path, nil)
+	log.Debug().Msg("getting bucket info")
+	start := time.Now()
+
+	resp, err := s.doRequest(ctx, http.MethodGet, fmt.Sprintf("/v2/GetBucketInfo?id=%s", bucketID), nil)
 	if err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage get_bucket_info request failed")
 		return nil, fmt.Errorf("request failed: %w", err)
 	}
 
 	var result models.GarageBucketInfo
 	if err := decodeResponse(resp, &result); err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage get_bucket_info decode failed")
 		return nil, fmt.Errorf("failed to decode response: %w", err)
 	}
 
+	log.Debug().Float64("duration_ms", msSince(start)).Str("outcome", "success").Msg("got bucket info")
 	return &result, nil
 }
 
-// GetBucketInfoByAlias returns detailed information about a bucket by its global alias
-func (s *GarageAdminService) GetBucketInfoByAlias(ctx context.Context, globalAlias string) (*models.GarageBucketInfo, error) {
-	path := fmt.Sprintf("/v2/GetBucketInfo?globalAlias=%s", globalAlias)
+// GetBucketInfoByAlias returns detailed information about a bucket by its global alias.
+func (s *GarageV2AdminService) GetBucketInfoByAlias(ctx context.Context, globalAlias string) (*models.GarageBucketInfo, error) {
+	log := logpkg.FromCtx(ctx).With().
+		Str("component", "admin").
+		Str("operation", "get_bucket_info_by_alias").
+		Str("bucket", globalAlias).
+		Logger()
 
-	resp, err := s.doRequest(ctx, http.MethodGet, path, nil)
+	log.Debug().Msg("getting bucket info by alias")
+	start := time.Now()
+
+	resp, err := s.doRequest(ctx, http.MethodGet, fmt.Sprintf("/v2/GetBucketInfo?globalAlias=%s", globalAlias), nil)
 	if err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage get_bucket_info_by_alias request failed")
 		return nil, fmt.Errorf("request failed: %w", err)
 	}
 
 	var result models.GarageBucketInfo
 	if err = decodeResponse(resp, &result); err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage get_bucket_info_by_alias decode failed")
 		return nil, fmt.Errorf("failed to decode response: %w", err)
 	}
 
+	log.Debug().Float64("duration_ms", msSince(start)).Str("outcome", "success").Str("bucket_id", result.ID).Msg("got bucket info by alias")
 	return &result, nil
 }
 
-// CreateBucket creates a new bucket via the Admin API
-func (s *GarageAdminService) CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
+// CreateBucket creates a new bucket via the Admin API.
+func (s *GarageV2AdminService) CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
+	var alias string
+	if req.GlobalAlias != nil {
+		alias = *req.GlobalAlias
+	}
+	log := logpkg.FromCtx(ctx).With().
+		Str("component", "admin").
+		Str("operation", "create_bucket").
+		Str("bucket", alias).
+		Logger()
+
+	log.Info().Msg("creating bucket")
+	start := time.Now()
+
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/CreateBucket", req)
 	if err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage create_bucket request failed")
 		return nil, fmt.Errorf("request failed: %w", err)
 	}
 
 	var result models.GarageBucketInfo
 	if err := decodeResponse(resp, &result); err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage create_bucket decode failed")
 		return nil, fmt.Errorf("failed to decode response: %w", err)
 	}
 
+	log.Info().Float64("duration_ms", msSince(start)).Str("outcome", "success").Str("bucket_id", result.ID).Msg("bucket created")
 	return &result, nil
 }
 
-// UpdateBucket updates bucket settings
-func (s *GarageAdminService) UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
-	path := fmt.Sprintf("/v2/UpdateBucket?id=%s", bucketID)
+// UpdateBucket updates bucket settings.
+func (s *GarageV2AdminService) UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+	log := logpkg.FromCtx(ctx).With().
+		Str("component", "admin").
+		Str("operation", "update_bucket").
+		Str("bucket_id", bucketID).
+		Logger()
 
-	resp, err := s.doRequest(ctx, http.MethodPost, path, req)
+	log.Info().Msg("updating bucket")
+	start := time.Now()
+
+	resp, err := s.doRequest(ctx, http.MethodPost, fmt.Sprintf("/v2/UpdateBucket?id=%s", bucketID), req)
 	if err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage update_bucket request failed")
 		return nil, fmt.Errorf("request failed: %w", err)
 	}
 
 	var result models.GarageBucketInfo
 	if err := decodeResponse(resp, &result); err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage update_bucket decode failed")
 		return nil, fmt.Errorf("failed to decode response: %w", err)
 	}
 
+	log.Info().Float64("duration_ms", msSince(start)).Str("outcome", "success").Msg("bucket updated")
 	return &result, nil
 }
 
-// DeleteBucket deletes a bucket
-func (s *GarageAdminService) DeleteBucket(ctx context.Context, bucketID string) error {
-	path := fmt.Sprintf("/v2/DeleteBucket?id=%s", bucketID)
+// DeleteBucket deletes a bucket.
+func (s *GarageV2AdminService) DeleteBucket(ctx context.Context, bucketID string) error {
+	log := logpkg.FromCtx(ctx).With().
+		Str("component", "admin").
+		Str("operation", "delete_bucket").
+		Str("bucket_id", bucketID).
+		Logger()
 
-	resp, err := s.doRequest(ctx, http.MethodPost, path, nil)
+	log.Info().Msg("deleting bucket")
+	start := time.Now()
+
+	resp, err := s.doRequest(ctx, http.MethodPost, fmt.Sprintf("/v2/DeleteBucket?id=%s", bucketID), nil)
 	if err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage delete_bucket request failed")
 		return fmt.Errorf("request failed: %w", err)
 	}
 
 	if err := decodeResponse(resp, nil); err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage delete_bucket decode failed")
 		return fmt.Errorf("failed to process response: %w", err)
 	}
 
+	log.Info().Float64("duration_ms", msSince(start)).Str("outcome", "success").Msg("bucket deleted")
 	return nil
 }
 
-// ====================================
-// Bucket Alias Operations
-// ====================================
-
 // AddBucketAlias adds an alias to a bucket
-func (s *GarageAdminService) AddBucketAlias(ctx context.Context, req models.AddBucketAliasRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) AddBucketAlias(ctx context.Context, req models.AddBucketAliasRequest) (*models.GarageBucketInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/AddBucketAlias", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -299,7 +369,7 @@ func (s *GarageAdminService) AddBucketAlias(ctx context.Context, req models.AddB
 }
 
 // RemoveBucketAlias removes an alias from a bucket
-func (s *GarageAdminService) RemoveBucketAlias(ctx context.Context, req models.RemoveBucketAliasRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) RemoveBucketAlias(ctx context.Context, req models.RemoveBucketAliasRequest) (*models.GarageBucketInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/RemoveBucketAlias", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -313,27 +383,39 @@ func (s *GarageAdminService) RemoveBucketAlias(ctx context.Context, req models.R
 	return &result, nil
 }
 
-// ====================================
-// Permission Operations
-// ====================================
+// AllowBucketKey grants permissions for a key on a bucket.
+func (s *GarageV2AdminService) AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+	log := logpkg.FromCtx(ctx).With().
+		Str("component", "admin").
+		Str("operation", "allow_bucket_key").
+		Str("bucket_id", req.BucketID).
+		Str("access_key_id", logpkg.RedactKey(req.AccessKeyID)).
+		Bool("perm_read", req.Permissions.Read).
+		Bool("perm_write", req.Permissions.Write).
+		Bool("perm_owner", req.Permissions.Owner).
+		Logger()
+
+	log.Info().Msg("granting bucket key permissions")
+	start := time.Now()
 
-// AllowBucketKey grants permissions for a key on a bucket
-func (s *GarageAdminService) AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/AllowBucketKey", req)
 	if err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage allow_bucket_key request failed")
 		return nil, fmt.Errorf("request failed: %w", err)
 	}
 
 	var result models.GarageBucketInfo
 	if err := decodeResponse(resp, &result); err != nil {
+		log.Error().Err(err).Float64("duration_ms", msSince(start)).Str("outcome", "failure").Msg("garage allow_bucket_key decode failed")
 		return nil, fmt.Errorf("failed to decode response: %w", err)
 	}
 
+	log.Info().Float64("duration_ms", msSince(start)).Str("outcome", "success").Msg("bucket key permissions granted")
 	return &result, nil
 }
 
 // DenyBucketKey revokes permissions for a key on a bucket
-func (s *GarageAdminService) DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
 	resp, err := s.doRequest(ctx, http.MethodPost, "/v2/DenyBucketKey", req)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -347,12 +429,8 @@ func (s *GarageAdminService) DenyBucketKey(ctx context.Context, req models.Bucke
 	return &result, nil
 }
 
-// ====================================
-// Cluster Operations
-// ====================================
-
 // GetClusterHealth returns the health status of the cluster
-func (s *GarageAdminService) GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error) {
+func (s *GarageV2AdminService) GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/v2/GetClusterHealth", nil)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -367,7 +445,7 @@ func (s *GarageAdminService) GetClusterHealth(ctx context.Context) (*models.Clus
 }
 
 // GetClusterStatus returns the current status of the cluster
-func (s *GarageAdminService) GetClusterStatus(ctx context.Context) (*models.ClusterStatus, error) {
+func (s *GarageV2AdminService) GetClusterStatus(ctx context.Context) (*models.ClusterStatus, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/v2/GetClusterStatus", nil)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -382,7 +460,7 @@ func (s *GarageAdminService) GetClusterStatus(ctx context.Context) (*models.Clus
 }
 
 // GetClusterStatistics returns global cluster statistics
-func (s *GarageAdminService) GetClusterStatistics(ctx context.Context) (*models.ClusterStatistics, error) {
+func (s *GarageV2AdminService) GetClusterStatistics(ctx context.Context) (*models.ClusterStatistics, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/v2/GetClusterStatistics", nil)
 	if err != nil {
 		return nil, fmt.Errorf("request failed: %w", err)
@@ -396,12 +474,8 @@ func (s *GarageAdminService) GetClusterStatistics(ctx context.Context) (*models.
 	return &result, nil
 }
 
-// ====================================
-// Node Operations
-// ====================================
-
 // GetNodeInfo returns information about a specific node
-func (s *GarageAdminService) GetNodeInfo(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+func (s *GarageV2AdminService) GetNodeInfo(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
 	path := fmt.Sprintf("/v2/GetNodeInfo?node=%s", nodeID)
 
 	resp, err := s.doRequest(ctx, http.MethodGet, path, nil)
@@ -418,7 +492,7 @@ func (s *GarageAdminService) GetNodeInfo(ctx context.Context, nodeID string) (*m
 }
 
 // GetNodeStatistics returns statistics for a specific node
-func (s *GarageAdminService) GetNodeStatistics(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+func (s *GarageV2AdminService) GetNodeStatistics(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
 	path := fmt.Sprintf("/v2/GetNodeStatistics?node=%s", nodeID)
 
 	resp, err := s.doRequest(ctx, http.MethodGet, path, nil)
@@ -434,12 +508,8 @@ func (s *GarageAdminService) GetNodeStatistics(ctx context.Context, nodeID strin
 	return &result, nil
 }
 
-// ====================================
-// Monitoring Operations
-// ====================================
-
 // HealthCheck checks if the Admin API is reachable
-func (s *GarageAdminService) HealthCheck(ctx context.Context) error {
+func (s *GarageV2AdminService) HealthCheck(ctx context.Context) error {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/health", nil)
 	if err != nil {
 		return fmt.Errorf("health check failed: %w", err)
@@ -452,8 +522,13 @@ func (s *GarageAdminService) HealthCheck(ctx context.Context) error {
 	return nil
 }
 
+// msSince returns duration since t in milliseconds as a float64.
+func msSince(t time.Time) float64 {
+	return float64(time.Since(t).Microseconds()) / 1000.0
+}
+
 // GetMetrics returns Prometheus metrics from the Admin API
-func (s *GarageAdminService) GetMetrics(ctx context.Context) (string, error) {
+func (s *GarageV2AdminService) GetMetrics(ctx context.Context) (string, error) {
 	resp, err := s.doRequest(ctx, http.MethodGet, "/metrics", nil)
 	if err != nil {
 		return "", fmt.Errorf("request failed: %w", err)

backend/internal/services/admin_v2_test.go

@@ -0,0 +1,622 @@
+package services
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+)
+
+// newAdminTestServer wires an httptest.Server (with the supplied handler) to a
+// fresh *GarageV2AdminService configured with a known bearer token.
+func newAdminTestServer(t *testing.T, handler http.Handler) (*GarageV2AdminService, *httptest.Server) {
+	t.Helper()
+	srv := httptest.NewServer(handler)
+	t.Cleanup(srv.Close)
+
+	svc := NewGarageV2AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "test-token-xyz",
+	}, "")
+	return svc, srv
+}
+
+// jsonHandler returns an http.Handler that writes the supplied status code and
+// JSON-encoded body.
+func jsonHandler(t *testing.T, status int, body any) http.Handler {
+	t.Helper()
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(status)
+		if body == nil {
+			return
+		}
+		if err := json.NewEncoder(w).Encode(body); err != nil {
+			t.Errorf("server: encode response: %v", err)
+		}
+	})
+}
+
+type recordedRequest struct {
+	method string
+	path   string
+	rawURL string
+	auth   string
+	body   []byte
+}
+
+func recordingHandler(t *testing.T, status int, respBody any) (http.Handler, *recordedRequest) {
+	t.Helper()
+	rec := &recordedRequest{}
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		rec.method = r.Method
+		rec.path = r.URL.Path
+		rec.rawURL = r.URL.RequestURI()
+		rec.auth = r.Header.Get("Authorization")
+		if r.Body != nil {
+			b, err := io.ReadAll(r.Body)
+			if err != nil {
+				t.Errorf("server: read body: %v", err)
+			}
+			rec.body = b
+		}
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(status)
+		if respBody != nil {
+			_ = json.NewEncoder(w).Encode(respBody)
+		}
+	})
+	return h, rec
+}
+
+func TestHealthCheck_Success(t *testing.T) {
+	h, rec := recordingHandler(t, http.StatusOK, nil)
+	svc, _ := newAdminTestServer(t, h)
+
+	if err := svc.HealthCheck(context.Background()); err != nil {
+		t.Fatalf("HealthCheck: %v", err)
+	}
+	if rec.method != http.MethodGet {
+		t.Errorf("method = %q, want GET", rec.method)
+	}
+	if rec.path != "/health" {
+		t.Errorf("path = %q, want /health", rec.path)
+	}
+	if rec.auth != "Bearer test-token-xyz" {
+		t.Errorf("Authorization = %q, want Bearer test-token-xyz", rec.auth)
+	}
+}
+
+func TestHealthCheck_Non2xxReturnsError(t *testing.T) {
+	h := jsonHandler(t, http.StatusServiceUnavailable, map[string]string{"error": "down"})
+	svc, _ := newAdminTestServer(t, h)
+
+	err := svc.HealthCheck(context.Background())
+	if err == nil {
+		t.Fatal("expected error for 503, got nil")
+	}
+	if !strings.Contains(err.Error(), "503") {
+		t.Errorf("error should mention status code, got %v", err)
+	}
+}
+
+func TestListKeys_Success(t *testing.T) {
+	want := []models.ListKeysResponseItem{
+		{ID: "k1", Name: "alice", Expired: false},
+		{ID: "k2", Name: "bob", Expired: true},
+	}
+	h, rec := recordingHandler(t, http.StatusOK, want)
+	svc, _ := newAdminTestServer(t, h)
+
+	got, err := svc.ListKeys(context.Background())
+	if err != nil {
+		t.Fatalf("ListKeys: %v", err)
+	}
+	if rec.method != http.MethodGet || rec.path != "/v2/ListKeys" {
+		t.Errorf("request = %s %s, want GET /v2/ListKeys", rec.method, rec.path)
+	}
+	if len(got) != 2 || got[0].ID != "k1" || got[1].Name != "bob" {
+		t.Errorf("got %+v, want %+v", got, want)
+	}
+}
+
+func TestCreateKey_PostsBodyAndDecodesResponse(t *testing.T) {
+	name := "service-account"
+	want := &models.GarageKeyInfo{
+		AccessKeyID: "GK123",
+		Name:        name,
+	}
+	h, rec := recordingHandler(t, http.StatusOK, want)
+	svc, _ := newAdminTestServer(t, h)
+
+	req := models.CreateKeyRequest{Name: &name, NeverExpires: true}
+	got, err := svc.CreateKey(context.Background(), req)
+	if err != nil {
+		t.Fatalf("CreateKey: %v", err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v2/CreateKey" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+	var sent models.CreateKeyRequest
+	if err := json.Unmarshal(rec.body, &sent); err != nil {
+		t.Fatalf("unmarshal sent body: %v (raw=%q)", err, rec.body)
+	}
+	if sent.Name == nil || *sent.Name != name {
+		t.Errorf("sent name = %v, want %q", sent.Name, name)
+	}
+	if !sent.NeverExpires {
+		t.Errorf("NeverExpires should round-trip true")
+	}
+	if got.AccessKeyID != want.AccessKeyID {
+		t.Errorf("AccessKeyID = %q, want %q", got.AccessKeyID, want.AccessKeyID)
+	}
+}
+
+func TestGetKeyInfo_PassesShowSecretQueryParam(t *testing.T) {
+	cases := []struct {
+		name         string
+		showSecret   bool
+		wantInRawURL string
+	}{
+		{"without secret", false, "?id=ABC"},
+		{"with secret", true, "?id=ABC&showSecretKey=true"},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			h, rec := recordingHandler(t, http.StatusOK, &models.GarageKeyInfo{AccessKeyID: "ABC"})
+			svc, _ := newAdminTestServer(t, h)
+
+			_, err := svc.GetKeyInfo(context.Background(), "ABC", tc.showSecret)
+			if err != nil {
+				t.Fatalf("GetKeyInfo: %v", err)
+			}
+			if rec.method != http.MethodGet {
+				t.Errorf("method = %q, want GET", rec.method)
+			}
+			if !strings.Contains(rec.rawURL, tc.wantInRawURL) {
+				t.Errorf("raw URL = %q, want substring %q", rec.rawURL, tc.wantInRawURL)
+			}
+		})
+	}
+}
+
+func TestUpdateKey_UsesIDInQuery(t *testing.T) {
+	h, rec := recordingHandler(t, http.StatusOK, &models.GarageKeyInfo{AccessKeyID: "K"})
+	svc, _ := newAdminTestServer(t, h)
+
+	if _, err := svc.UpdateKey(context.Background(), "K", models.UpdateKeyRequest{}); err != nil {
+		t.Fatalf("UpdateKey: %v", err)
+	}
+	if rec.method != http.MethodPost {
+		t.Errorf("method = %q, want POST", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=K") {
+		t.Errorf("raw URL = %q, want substring id=K", rec.rawURL)
+	}
+}
+
+func TestDeleteKey_NoBodyOnSuccess(t *testing.T) {
+	h, rec := recordingHandler(t, http.StatusOK, nil)
+	svc, _ := newAdminTestServer(t, h)
+
+	if err := svc.DeleteKey(context.Background(), "K"); err != nil {
+		t.Fatalf("DeleteKey: %v", err)
+	}
+	if rec.method != http.MethodPost {
+		t.Errorf("method = %q, want POST", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=K") {
+		t.Errorf("raw URL = %q", rec.rawURL)
+	}
+}
+
+func TestImportKey_PostsToImportEndpoint(t *testing.T) {
+	want := &models.GarageKeyInfo{AccessKeyID: "imported"}
+	h, rec := recordingHandler(t, http.StatusOK, want)
+	svc, _ := newAdminTestServer(t, h)
+
+	req := models.ImportKeyRequest{
+		AccessKeyID:     "imported",
+		SecretAccessKey: "shhh",
+	}
+	got, err := svc.ImportKey(context.Background(), req)
+	if err != nil {
+		t.Fatalf("ImportKey: %v", err)
+	}
+	if rec.path != "/v2/ImportKey" {
+		t.Errorf("path = %q", rec.path)
+	}
+	if got.AccessKeyID != "imported" {
+		t.Errorf("AccessKeyID = %q, want imported", got.AccessKeyID)
+	}
+}
+
+func TestListBuckets_Success(t *testing.T) {
+	want := []models.ListBucketsResponseItem{{ID: "b1"}, {ID: "b2"}}
+	h, rec := recordingHandler(t, http.StatusOK, want)
+	svc, _ := newAdminTestServer(t, h)
+
+	got, err := svc.ListBuckets(context.Background())
+	if err != nil {
+		t.Fatalf("ListBuckets: %v", err)
+	}
+	if rec.path != "/v2/ListBuckets" {
+		t.Errorf("path = %q", rec.path)
+	}
+	if len(got) != 2 {
+		t.Errorf("len = %d, want 2", len(got))
+	}
+}
+
+func TestGetBucketInfo_UsesIDQuery(t *testing.T) {
+	h, rec := recordingHandler(t, http.StatusOK, &models.GarageBucketInfo{ID: "B"})
+	svc, _ := newAdminTestServer(t, h)
+	if _, err := svc.GetBucketInfo(context.Background(), "B"); err != nil {
+		t.Fatalf("GetBucketInfo: %v", err)
+	}
+	if !strings.Contains(rec.rawURL, "id=B") {
+		t.Errorf("raw URL = %q", rec.rawURL)
+	}
+}
+
+func TestGetBucketInfoByAlias_UsesGlobalAliasQuery(t *testing.T) {
+	h, rec := recordingHandler(t, http.StatusOK, &models.GarageBucketInfo{ID: "B", GlobalAliases: []string{"my-bucket"}})
+	svc, _ := newAdminTestServer(t, h)
+	got, err := svc.GetBucketInfoByAlias(context.Background(), "my-bucket")
+	if err != nil {
+		t.Fatalf("GetBucketInfoByAlias: %v", err)
+	}
+	if !strings.Contains(rec.rawURL, "globalAlias=my-bucket") {
+		t.Errorf("raw URL = %q", rec.rawURL)
+	}
+	if got.ID != "B" {
+		t.Errorf("ID = %q, want B", got.ID)
+	}
+}
+
+func TestCreateBucket_PostsBody(t *testing.T) {
+	want := &models.GarageBucketInfo{ID: "new"}
+	h, rec := recordingHandler(t, http.StatusOK, want)
+	svc, _ := newAdminTestServer(t, h)
+
+	if _, err := svc.CreateBucket(context.Background(), models.CreateBucketAdminRequest{}); err != nil {
+		t.Fatalf("CreateBucket: %v", err)
+	}
+	if rec.method != http.MethodPost || rec.path != "/v2/CreateBucket" {
+		t.Errorf("request = %s %s", rec.method, rec.path)
+	}
+}
+
+func TestUpdateBucket_UsesIDQueryAndPostsBody(t *testing.T) {
+	h, rec := recordingHandler(t, http.StatusOK, &models.GarageBucketInfo{ID: "B"})
+	svc, _ := newAdminTestServer(t, h)
+	if _, err := svc.UpdateBucket(context.Background(), "B", models.UpdateBucketRequest{}); err != nil {
+		t.Fatalf("UpdateBucket: %v", err)
+	}
+	if rec.method != http.MethodPost {
+		t.Errorf("method = %q", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=B") {
+		t.Errorf("raw URL = %q", rec.rawURL)
+	}
+}
+
+func TestDeleteBucket_PostWithIDQuery(t *testing.T) {
+	h, rec := recordingHandler(t, http.StatusOK, nil)
+	svc, _ := newAdminTestServer(t, h)
+	if err := svc.DeleteBucket(context.Background(), "B"); err != nil {
+		t.Fatalf("DeleteBucket: %v", err)
+	}
+	if rec.method != http.MethodPost {
+		t.Errorf("method = %q", rec.method)
+	}
+	if !strings.Contains(rec.rawURL, "id=B") {
+		t.Errorf("raw URL = %q", rec.rawURL)
+	}
+}
+
+func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
+	cases := []struct {
+		name string
+		fn   func(s *GarageV2AdminService) error
+		path string
+	}{
+		{
+			name: "AddBucketAlias",
+			fn: func(s *GarageV2AdminService) error {
+				_, err := s.AddBucketAlias(context.Background(), models.AddBucketAliasRequest{})
+				return err
+			},
+			path: "/v2/AddBucketAlias",
+		},
+		{
+			name: "RemoveBucketAlias",
+			fn: func(s *GarageV2AdminService) error {
+				_, err := s.RemoveBucketAlias(context.Background(), models.RemoveBucketAliasRequest{})
+				return err
+			},
+			path: "/v2/RemoveBucketAlias",
+		},
+		{
+			name: "AllowBucketKey",
+			fn: func(s *GarageV2AdminService) error {
+				_, err := s.AllowBucketKey(context.Background(), models.BucketKeyPermRequest{})
+				return err
+			},
+			path: "/v2/AllowBucketKey",
+		},
+		{
+			name: "DenyBucketKey",
+			fn: func(s *GarageV2AdminService) error {
+				_, err := s.DenyBucketKey(context.Background(), models.BucketKeyPermRequest{})
+				return err
+			},
+			path: "/v2/DenyBucketKey",
+		},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			h, rec := recordingHandler(t, http.StatusOK, &models.GarageBucketInfo{ID: "B"})
+			svc, _ := newAdminTestServer(t, h)
+			if err := tc.fn(svc); err != nil {
+				t.Fatalf("%s: %v", tc.name, err)
+			}
+			if rec.path != tc.path || rec.method != http.MethodPost {
+				t.Errorf("request = %s %s, want POST %s", rec.method, rec.path, tc.path)
+			}
+		})
+	}
+}
+
+func TestClusterEndpoints(t *testing.T) {
+	cases := []struct {
+		name string
+		fn   func(s *GarageV2AdminService) error
+		path string
+	}{
+		{
+			name: "GetClusterHealth",
+			fn: func(s *GarageV2AdminService) error {
+				_, err := s.GetClusterHealth(context.Background())
+				return err
+			},
+			path: "/v2/GetClusterHealth",
+		},
+		{
+			name: "GetClusterStatus",
+			fn: func(s *GarageV2AdminService) error {
+				_, err := s.GetClusterStatus(context.Background())
+				return err
+			},
+			path: "/v2/GetClusterStatus",
+		},
+		{
+			name: "GetClusterStatistics",
+			fn: func(s *GarageV2AdminService) error {
+				_, err := s.GetClusterStatistics(context.Background())
+				return err
+			},
+			path: "/v2/GetClusterStatistics",
+		},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			h, rec := recordingHandler(t, http.StatusOK, struct{}{})
+			svc, _ := newAdminTestServer(t, h)
+			if err := tc.fn(svc); err != nil {
+				t.Fatalf("%s: %v", tc.name, err)
+			}
+			if rec.method != http.MethodGet {
+				t.Errorf("method = %q, want GET", rec.method)
+			}
+			if rec.path != tc.path {
+				t.Errorf("path = %q, want %q", rec.path, tc.path)
+			}
+		})
+	}
+}
+
+func TestNodeEndpoints_NodeIDInQuery(t *testing.T) {
+	cases := []struct {
+		name string
+		fn   func(s *GarageV2AdminService, id string) error
+		path string
+	}{
+		{
+			name: "GetNodeInfo",
+			fn: func(s *GarageV2AdminService, id string) error {
+				_, err := s.GetNodeInfo(context.Background(), id)
+				return err
+			},
+			path: "/v2/GetNodeInfo",
+		},
+		{
+			name: "GetNodeStatistics",
+			fn: func(s *GarageV2AdminService, id string) error {
+				_, err := s.GetNodeStatistics(context.Background(), id)
+				return err
+			},
+			path: "/v2/GetNodeStatistics",
+		},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			h, rec := recordingHandler(t, http.StatusOK, struct{}{})
+			svc, _ := newAdminTestServer(t, h)
+			if err := tc.fn(svc, "node-7"); err != nil {
+				t.Fatalf("%s: %v", tc.name, err)
+			}
+			if rec.path != tc.path {
+				t.Errorf("path = %q, want %q", rec.path, tc.path)
+			}
+			if !strings.Contains(rec.rawURL, "node=node-7") {
+				t.Errorf("raw URL = %q, want substring node=node-7", rec.rawURL)
+			}
+		})
+	}
+}
+
+func TestGetMetrics_ReturnsRawBodyOn2xx(t *testing.T) {
+	body := "# HELP garage_up Number of running nodes\ngarage_up 3\n"
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "text/plain")
+		w.WriteHeader(http.StatusOK)
+		_, _ = io.WriteString(w, body)
+	})
+	svc, _ := newAdminTestServer(t, h)
+
+	got, err := svc.GetMetrics(context.Background())
+	if err != nil {
+		t.Fatalf("GetMetrics: %v", err)
+	}
+	if got != body {
+		t.Errorf("GetMetrics body mismatch:\n got %q\nwant %q", got, body)
+	}
+}
+
+func TestGetMetrics_Non2xxReturnsErrorWithStatus(t *testing.T) {
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusForbidden)
+		_, _ = io.WriteString(w, "forbidden")
+	})
+	svc, _ := newAdminTestServer(t, h)
+
+	_, err := svc.GetMetrics(context.Background())
+	if err == nil {
+		t.Fatal("expected error for 403, got nil")
+	}
+	if !strings.Contains(err.Error(), "403") {
+		t.Errorf("error should mention 403, got %v", err)
+	}
+}
+
+func TestDoRequest_Non2xxBodyEchoedInError(t *testing.T) {
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusBadRequest)
+		_, _ = io.WriteString(w, `{"error":"bad request"}`)
+	})
+	svc, _ := newAdminTestServer(t, h)
+
+	_, err := svc.ListKeys(context.Background())
+	if err == nil {
+		t.Fatal("expected error for 400, got nil")
+	}
+	if !strings.Contains(err.Error(), "400") || !strings.Contains(err.Error(), "bad request") {
+		t.Errorf("error %v should contain 400 and the response body", err)
+	}
+}
+
+func TestDoRequest_MalformedJSONReturnsDecodeError(t *testing.T) {
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		_, _ = io.WriteString(w, "not-json-at-all")
+	})
+	svc, _ := newAdminTestServer(t, h)
+
+	_, err := svc.ListKeys(context.Background())
+	if err == nil {
+		t.Fatal("expected decode error, got nil")
+	}
+	if !strings.Contains(err.Error(), "decode") {
+		t.Errorf("error %v should mention decoding", err)
+	}
+}
+
+// TestAllMethods_Non2xxReturnsError exercises the decodeResponse error branch
+// of every admin method by pointing them at a server that always returns 500.
+// This is a single sweep over the near-identical "if err := decodeResponse ...
+// return nil, fmt.Errorf(...)" branches that each wrapper repeats.
+func TestAllMethods_Non2xxReturnsError(t *testing.T) {
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		http.Error(w, "boom", http.StatusInternalServerError)
+	})
+	svc, _ := newAdminTestServer(t, h)
+	ctx := context.Background()
+
+	calls := map[string]func() error{
+		"ListKeys":             func() error { _, err := svc.ListKeys(ctx); return err },
+		"CreateKey":            func() error { _, err := svc.CreateKey(ctx, models.CreateKeyRequest{}); return err },
+		"GetKeyInfo":           func() error { _, err := svc.GetKeyInfo(ctx, "k", false); return err },
+		"UpdateKey":            func() error { _, err := svc.UpdateKey(ctx, "k", models.UpdateKeyRequest{}); return err },
+		"DeleteKey":            func() error { return svc.DeleteKey(ctx, "k") },
+		"ImportKey":            func() error { _, err := svc.ImportKey(ctx, models.ImportKeyRequest{}); return err },
+		"ListBuckets":          func() error { _, err := svc.ListBuckets(ctx); return err },
+		"GetBucketInfo":        func() error { _, err := svc.GetBucketInfo(ctx, "b"); return err },
+		"GetBucketInfoByAlias": func() error { _, err := svc.GetBucketInfoByAlias(ctx, "b"); return err },
+		"CreateBucket":         func() error { _, err := svc.CreateBucket(ctx, models.CreateBucketAdminRequest{}); return err },
+		"UpdateBucket":         func() error { _, err := svc.UpdateBucket(ctx, "b", models.UpdateBucketRequest{}); return err },
+		"DeleteBucket":         func() error { return svc.DeleteBucket(ctx, "b") },
+		"AddBucketAlias":       func() error { _, err := svc.AddBucketAlias(ctx, models.AddBucketAliasRequest{}); return err },
+		"RemoveBucketAlias":    func() error { _, err := svc.RemoveBucketAlias(ctx, models.RemoveBucketAliasRequest{}); return err },
+		"AllowBucketKey":       func() error { _, err := svc.AllowBucketKey(ctx, models.BucketKeyPermRequest{}); return err },
+		"DenyBucketKey":        func() error { _, err := svc.DenyBucketKey(ctx, models.BucketKeyPermRequest{}); return err },
+		"GetClusterHealth":     func() error { _, err := svc.GetClusterHealth(ctx); return err },
+		"GetClusterStatus":     func() error { _, err := svc.GetClusterStatus(ctx); return err },
+		"GetClusterStatistics": func() error { _, err := svc.GetClusterStatistics(ctx); return err },
+		"GetNodeInfo":          func() error { _, err := svc.GetNodeInfo(ctx, "n"); return err },
+		"GetNodeStatistics":    func() error { _, err := svc.GetNodeStatistics(ctx, "n"); return err },
+		"HealthCheck":          func() error { return svc.HealthCheck(ctx) },
+	}
+
+	for name, fn := range calls {
+		t.Run(name, func(t *testing.T) {
+			if err := fn(); err == nil {
+				t.Fatalf("%s: expected error on 500, got nil", name)
+			}
+		})
+	}
+}
+
+// TestDebugLogLevelEnablesSessionLog exercises the NewGarageV2AdminService
+// branch that enables azuretls' session logging when logLevel == "debug".
+func TestDebugLogLevelEnablesSessionLog(t *testing.T) {
+	svc := NewGarageV2AdminService(&config.GarageConfig{
+		AdminEndpoint: "http://127.0.0.1:1",
+		AdminToken:    "t",
+	}, "debug")
+	if svc == nil || svc.httpClient == nil {
+		t.Fatal("expected service with configured http client")
+	}
+}
+
+func TestDoRequest_RetriesExhaustOnConnectionRefused(t *testing.T) {
+	listener, err := net.Listen("tcp", "127.0.0.1:0")
+	if err != nil {
+		t.Fatalf("listen: %v", err)
+	}
+	addr := listener.Addr().String()
+	if err := listener.Close(); err != nil {
+		t.Fatalf("close listener: %v", err)
+	}
+
+	svc := NewGarageV2AdminService(&config.GarageConfig{
+		AdminEndpoint: "http://" + addr,
+		AdminToken:    "irrelevant",
+	}, "")
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	start := time.Now()
+	_, err = svc.ListKeys(ctx)
+	elapsed := time.Since(start)
+
+	if err == nil {
+		t.Fatal("expected error after retries exhaust, got nil")
+	}
+	if !strings.Contains(err.Error(), "max retries") {
+		t.Errorf("expected max-retries error, got %v", err)
+	}
+	if elapsed < 200*time.Millisecond {
+		t.Errorf("retries returned in %v — backoff loop not engaged", elapsed)
+	}
+}

backend/internal/services/interfaces.go

@@ -0,0 +1,71 @@
+package services
+
+import (
+	"context"
+	"io"
+	"time"
+
+	"Noooste/garage-ui/internal/models"
+)
+
+// AdminService is the set of Garage Admin API operations used by HTTP handlers.
+// It is implemented by *GarageV2AdminService in admin_v2.go. Kept narrow so that
+// hand-rolled mocks in tests don't need to cover admin methods the handlers
+// never call.
+type AdminService interface {
+	// Access keys
+	ListKeys(ctx context.Context) ([]models.ListKeysResponseItem, error)
+	CreateKey(ctx context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error)
+	GetKeyInfo(ctx context.Context, keyID string, showSecret bool) (*models.GarageKeyInfo, error)
+	UpdateKey(ctx context.Context, keyID string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error)
+	DeleteKey(ctx context.Context, keyID string) error
+
+	// Buckets
+	ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error)
+	GetBucketInfo(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error)
+	GetBucketInfoByAlias(ctx context.Context, globalAlias string) (*models.GarageBucketInfo, error)
+	CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error)
+	UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error)
+	DeleteBucket(ctx context.Context, bucketID string) error
+	AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error)
+	DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error)
+
+	// Cluster
+	GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error)
+	GetClusterStatus(ctx context.Context) (*models.ClusterStatus, error)
+	GetClusterStatistics(ctx context.Context) (*models.ClusterStatistics, error)
+	GetNodeInfo(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error)
+	GetNodeStatistics(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error)
+
+	// Monitoring
+	HealthCheck(ctx context.Context) error
+	GetMetrics(ctx context.Context) (string, error)
+}
+
+// S3Storage is the set of S3 operations used by HTTP handlers. It is
+// implemented by *S3Service in s3.go. Methods on *S3Service that are not
+// called by handlers (ListBuckets, CreateBucket, DeleteBucket,
+// GetBucketStatistics) are intentionally excluded.
+type S3Storage interface {
+	ListObjects(ctx context.Context, bucketName, prefix string, maxKeys int, continuationToken string) (*models.ObjectListResponse, error)
+	UploadObject(ctx context.Context, bucketName, key string, body io.Reader, contentType string) (*models.ObjectUploadResponse, error)
+	CreateDirectoryMarker(ctx context.Context, bucketName, key string) (*models.ObjectUploadResponse, error)
+	GetObject(ctx context.Context, bucketName, key string) (io.ReadCloser, *models.ObjectInfo, error)
+	ObjectExists(ctx context.Context, bucketName, key string) (bool, error)
+	DeleteObject(ctx context.Context, bucketName, key string) error
+	GetObjectMetadata(ctx context.Context, bucketName, key string) (*models.ObjectInfo, error)
+	GetPresignedURL(ctx context.Context, bucketName, key string, expiresIn time.Duration) (string, error)
+	DeleteMultipleObjects(ctx context.Context, bucketName string, keys []string) error
+	UploadMultipleObjects(ctx context.Context, bucketName string, files []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}) []UploadResult
+}
+
+// Compile-time guarantees that the concrete services implement the interfaces.
+var (
+	_ AdminService = (*GarageV2AdminService)(nil)
+	_ AdminService = (*GarageV1AdminService)(nil)
+	_ S3Storage    = (*S3Service)(nil)
+)

backend/internal/services/mocks/admin_mock.go

@@ -0,0 +1,238 @@
+// Package mocks provides hand-rolled test doubles for the interfaces declared
+// in package services. Each mock is configured per-test by overriding the
+// function fields; unset fields return a sentinel error so missing setup is
+// surfaced loudly.
+package mocks
+
+import (
+	"context"
+	"fmt"
+
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+)
+
+// errNotConfigured is returned by any AdminMock method whose function field
+// was not set by the test. The message names the missing method so test
+// failures point at the gap instead of looking like a real service error.
+func errNotConfigured(method string) error {
+	return fmt.Errorf("AdminMock.%s: not configured by test", method)
+}
+
+// Compile-time guarantee that AdminMock satisfies services.AdminService.
+var _ services.AdminService = (*AdminMock)(nil)
+
+// AdminMock is a hand-rolled mock of services.AdminService. Tests assign the
+// per-method function fields they care about; unset methods return
+// errNotConfigured.
+type AdminMock struct {
+	// Access keys
+	ListKeysFn   func(ctx context.Context) ([]models.ListKeysResponseItem, error)
+	CreateKeyFn  func(ctx context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error)
+	GetKeyInfoFn func(ctx context.Context, keyID string, showSecret bool) (*models.GarageKeyInfo, error)
+	UpdateKeyFn  func(ctx context.Context, keyID string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error)
+	DeleteKeyFn  func(ctx context.Context, keyID string) error
+
+	// Buckets
+	ListBucketsFn          func(ctx context.Context) ([]models.ListBucketsResponseItem, error)
+	GetBucketInfoFn        func(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error)
+	GetBucketInfoByAliasFn func(ctx context.Context, alias string) (*models.GarageBucketInfo, error)
+	CreateBucketFn         func(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error)
+	UpdateBucketFn         func(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error)
+	DeleteBucketFn         func(ctx context.Context, bucketID string) error
+	AllowBucketKeyFn       func(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error)
+	DenyBucketKeyFn        func(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error)
+
+	// Cluster
+	GetClusterHealthFn     func(ctx context.Context) (*models.ClusterHealth, error)
+	GetClusterStatusFn     func(ctx context.Context) (*models.ClusterStatus, error)
+	GetClusterStatisticsFn func(ctx context.Context) (*models.ClusterStatistics, error)
+	GetNodeInfoFn          func(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error)
+	GetNodeStatisticsFn    func(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error)
+
+	// Monitoring
+	HealthCheckFn func(ctx context.Context) error
+	GetMetricsFn  func(ctx context.Context) (string, error)
+
+	// Calls records every invocation in order. Tests can inspect this slice to
+	// assert call sequence, argument values, or call count.
+	Calls []Call
+}
+
+// Call captures a single invocation of an AdminMock method.
+type Call struct {
+	Method string
+	Args   []any
+}
+
+func (m *AdminMock) record(method string, args ...any) {
+	m.Calls = append(m.Calls, Call{Method: method, Args: args})
+}
+
+// --- Access keys ---
+
+func (m *AdminMock) ListKeys(ctx context.Context) ([]models.ListKeysResponseItem, error) {
+	m.record("ListKeys")
+	if m.ListKeysFn == nil {
+		return nil, errNotConfigured("ListKeys")
+	}
+	return m.ListKeysFn(ctx)
+}
+
+func (m *AdminMock) CreateKey(ctx context.Context, req models.CreateKeyRequest) (*models.GarageKeyInfo, error) {
+	m.record("CreateKey", req)
+	if m.CreateKeyFn == nil {
+		return nil, errNotConfigured("CreateKey")
+	}
+	return m.CreateKeyFn(ctx, req)
+}
+
+func (m *AdminMock) GetKeyInfo(ctx context.Context, keyID string, showSecret bool) (*models.GarageKeyInfo, error) {
+	m.record("GetKeyInfo", keyID, showSecret)
+	if m.GetKeyInfoFn == nil {
+		return nil, errNotConfigured("GetKeyInfo")
+	}
+	return m.GetKeyInfoFn(ctx, keyID, showSecret)
+}
+
+func (m *AdminMock) UpdateKey(ctx context.Context, keyID string, req models.UpdateKeyRequest) (*models.GarageKeyInfo, error) {
+	m.record("UpdateKey", keyID, req)
+	if m.UpdateKeyFn == nil {
+		return nil, errNotConfigured("UpdateKey")
+	}
+	return m.UpdateKeyFn(ctx, keyID, req)
+}
+
+func (m *AdminMock) DeleteKey(ctx context.Context, keyID string) error {
+	m.record("DeleteKey", keyID)
+	if m.DeleteKeyFn == nil {
+		return errNotConfigured("DeleteKey")
+	}
+	return m.DeleteKeyFn(ctx, keyID)
+}
+
+// --- Buckets ---
+
+func (m *AdminMock) ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error) {
+	m.record("ListBuckets")
+	if m.ListBucketsFn == nil {
+		return nil, errNotConfigured("ListBuckets")
+	}
+	return m.ListBucketsFn(ctx)
+}
+
+func (m *AdminMock) GetBucketInfo(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error) {
+	m.record("GetBucketInfo", bucketID)
+	if m.GetBucketInfoFn == nil {
+		return nil, errNotConfigured("GetBucketInfo")
+	}
+	return m.GetBucketInfoFn(ctx, bucketID)
+}
+
+func (m *AdminMock) GetBucketInfoByAlias(ctx context.Context, alias string) (*models.GarageBucketInfo, error) {
+	m.record("GetBucketInfoByAlias", alias)
+	if m.GetBucketInfoByAliasFn == nil {
+		return nil, errNotConfigured("GetBucketInfoByAlias")
+	}
+	return m.GetBucketInfoByAliasFn(ctx, alias)
+}
+
+func (m *AdminMock) CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
+	m.record("CreateBucket", req)
+	if m.CreateBucketFn == nil {
+		return nil, errNotConfigured("CreateBucket")
+	}
+	return m.CreateBucketFn(ctx, req)
+}
+
+func (m *AdminMock) UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+	m.record("UpdateBucket", bucketID, req)
+	if m.UpdateBucketFn == nil {
+		return nil, errNotConfigured("UpdateBucket")
+	}
+	return m.UpdateBucketFn(ctx, bucketID, req)
+}
+
+func (m *AdminMock) DeleteBucket(ctx context.Context, bucketID string) error {
+	m.record("DeleteBucket", bucketID)
+	if m.DeleteBucketFn == nil {
+		return errNotConfigured("DeleteBucket")
+	}
+	return m.DeleteBucketFn(ctx, bucketID)
+}
+
+func (m *AdminMock) AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+	m.record("AllowBucketKey", req)
+	if m.AllowBucketKeyFn == nil {
+		return nil, errNotConfigured("AllowBucketKey")
+	}
+	return m.AllowBucketKeyFn(ctx, req)
+}
+
+func (m *AdminMock) DenyBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+	m.record("DenyBucketKey", req)
+	if m.DenyBucketKeyFn == nil {
+		return nil, errNotConfigured("DenyBucketKey")
+	}
+	return m.DenyBucketKeyFn(ctx, req)
+}
+
+// --- Cluster ---
+
+func (m *AdminMock) GetClusterHealth(ctx context.Context) (*models.ClusterHealth, error) {
+	m.record("GetClusterHealth")
+	if m.GetClusterHealthFn == nil {
+		return nil, errNotConfigured("GetClusterHealth")
+	}
+	return m.GetClusterHealthFn(ctx)
+}
+
+func (m *AdminMock) GetClusterStatus(ctx context.Context) (*models.ClusterStatus, error) {
+	m.record("GetClusterStatus")
+	if m.GetClusterStatusFn == nil {
+		return nil, errNotConfigured("GetClusterStatus")
+	}
+	return m.GetClusterStatusFn(ctx)
+}
+
+func (m *AdminMock) GetClusterStatistics(ctx context.Context) (*models.ClusterStatistics, error) {
+	m.record("GetClusterStatistics")
+	if m.GetClusterStatisticsFn == nil {
+		return nil, errNotConfigured("GetClusterStatistics")
+	}
+	return m.GetClusterStatisticsFn(ctx)
+}
+
+func (m *AdminMock) GetNodeInfo(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+	m.record("GetNodeInfo", nodeID)
+	if m.GetNodeInfoFn == nil {
+		return nil, errNotConfigured("GetNodeInfo")
+	}
+	return m.GetNodeInfoFn(ctx, nodeID)
+}
+
+func (m *AdminMock) GetNodeStatistics(ctx context.Context, nodeID string) (*models.MultiNodeResponse, error) {
+	m.record("GetNodeStatistics", nodeID)
+	if m.GetNodeStatisticsFn == nil {
+		return nil, errNotConfigured("GetNodeStatistics")
+	}
+	return m.GetNodeStatisticsFn(ctx, nodeID)
+}
+
+// --- Monitoring ---
+
+func (m *AdminMock) HealthCheck(ctx context.Context) error {
+	m.record("HealthCheck")
+	if m.HealthCheckFn == nil {
+		return errNotConfigured("HealthCheck")
+	}
+	return m.HealthCheckFn(ctx)
+}
+
+func (m *AdminMock) GetMetrics(ctx context.Context) (string, error) {
+	m.record("GetMetrics")
+	if m.GetMetricsFn == nil {
+		return "", errNotConfigured("GetMetrics")
+	}
+	return m.GetMetricsFn(ctx)
+}

backend/internal/services/mocks/mocks_test.go

@@ -0,0 +1,215 @@
+package mocks
+
+import (
+	"context"
+	"io"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+)
+
+// The mocks are exercised across the handlers test suite, but Go's per-
+// package coverage counts only statements executed from tests in THIS
+// package. This test calls every mock method with no Fn configured, which
+// covers the default "not configured" error path (and the record() helpers
+// that build the call log).
+
+func TestAdminMock_UnconfiguredMethodsReturnSentinel(t *testing.T) {
+	ctx := context.Background()
+	m := &AdminMock{}
+
+	type call struct {
+		name string
+		fn   func() error
+	}
+	calls := []call{
+		{"ListKeys", func() error { _, e := m.ListKeys(ctx); return e }},
+		{"CreateKey", func() error { _, e := m.CreateKey(ctx, models.CreateKeyRequest{}); return e }},
+		{"GetKeyInfo", func() error { _, e := m.GetKeyInfo(ctx, "k", false); return e }},
+		{"UpdateKey", func() error { _, e := m.UpdateKey(ctx, "k", models.UpdateKeyRequest{}); return e }},
+		{"DeleteKey", func() error { return m.DeleteKey(ctx, "k") }},
+		{"ListBuckets", func() error { _, e := m.ListBuckets(ctx); return e }},
+		{"GetBucketInfo", func() error { _, e := m.GetBucketInfo(ctx, "b"); return e }},
+		{"GetBucketInfoByAlias", func() error { _, e := m.GetBucketInfoByAlias(ctx, "a"); return e }},
+		{"CreateBucket", func() error { _, e := m.CreateBucket(ctx, models.CreateBucketAdminRequest{}); return e }},
+		{"UpdateBucket", func() error { _, e := m.UpdateBucket(ctx, "b", models.UpdateBucketRequest{}); return e }},
+		{"DeleteBucket", func() error { return m.DeleteBucket(ctx, "b") }},
+		{"AllowBucketKey", func() error { _, e := m.AllowBucketKey(ctx, models.BucketKeyPermRequest{}); return e }},
+		{"DenyBucketKey", func() error { _, e := m.DenyBucketKey(ctx, models.BucketKeyPermRequest{}); return e }},
+		{"GetClusterHealth", func() error { _, e := m.GetClusterHealth(ctx); return e }},
+		{"GetClusterStatus", func() error { _, e := m.GetClusterStatus(ctx); return e }},
+		{"GetClusterStatistics", func() error { _, e := m.GetClusterStatistics(ctx); return e }},
+		{"GetNodeInfo", func() error { _, e := m.GetNodeInfo(ctx, "n"); return e }},
+		{"GetNodeStatistics", func() error { _, e := m.GetNodeStatistics(ctx, "n"); return e }},
+		{"HealthCheck", func() error { return m.HealthCheck(ctx) }},
+		{"GetMetrics", func() error { _, e := m.GetMetrics(ctx); return e }},
+	}
+
+	for _, c := range calls {
+		err := c.fn()
+		if err == nil {
+			t.Errorf("%s: expected error from unconfigured mock, got nil", c.name)
+			continue
+		}
+		if !strings.Contains(err.Error(), c.name) {
+			t.Errorf("%s: error %q should mention method name", c.name, err.Error())
+		}
+	}
+	if len(m.Calls) != len(calls) {
+		t.Errorf("Calls recorded = %d, want %d", len(m.Calls), len(calls))
+	}
+}
+
+func TestAdminMock_ConfiguredFnsAreInvoked(t *testing.T) {
+	ctx := context.Background()
+	m := &AdminMock{
+		ListKeysFn: func(ctx context.Context) ([]models.ListKeysResponseItem, error) {
+			return []models.ListKeysResponseItem{{ID: "k1"}}, nil
+		},
+		DeleteKeyFn:  func(ctx context.Context, id string) error { return nil },
+		HealthCheckFn: func(ctx context.Context) error { return nil },
+		GetMetricsFn: func(ctx context.Context) (string, error) { return "metric 1", nil },
+	}
+	if got, err := m.ListKeys(ctx); err != nil || len(got) != 1 {
+		t.Errorf("ListKeys = (%v, %v), want one item", got, err)
+	}
+	if err := m.DeleteKey(ctx, "k"); err != nil {
+		t.Errorf("DeleteKey: %v", err)
+	}
+	if err := m.HealthCheck(ctx); err != nil {
+		t.Errorf("HealthCheck: %v", err)
+	}
+	if got, _ := m.GetMetrics(ctx); got != "metric 1" {
+		t.Errorf("GetMetrics = %q", got)
+	}
+}
+
+func TestS3Mock_UnconfiguredMethodsReturnSentinel(t *testing.T) {
+	ctx := context.Background()
+	m := &S3Mock{}
+
+	if _, err := m.ListObjects(ctx, "b", "", 0, ""); err == nil {
+		t.Error("ListObjects: want error")
+	}
+	if _, err := m.UploadObject(ctx, "b", "k", strings.NewReader(""), ""); err == nil {
+		t.Error("UploadObject: want error")
+	}
+	if _, err := m.CreateDirectoryMarker(ctx, "b", "k/"); err == nil {
+		t.Error("CreateDirectoryMarker: want error")
+	}
+	if _, _, err := m.GetObject(ctx, "b", "k"); err == nil {
+		t.Error("GetObject: want error")
+	}
+	if _, err := m.ObjectExists(ctx, "b", "k"); err == nil {
+		t.Error("ObjectExists: want error")
+	}
+	if err := m.DeleteObject(ctx, "b", "k"); err == nil {
+		t.Error("DeleteObject: want error")
+	}
+	if _, err := m.GetObjectMetadata(ctx, "b", "k"); err == nil {
+		t.Error("GetObjectMetadata: want error")
+	}
+	if _, err := m.GetPresignedURL(ctx, "b", "k", time.Minute); err == nil {
+		t.Error("GetPresignedURL: want error")
+	}
+	if err := m.DeleteMultipleObjects(ctx, "b", []string{"k"}); err == nil {
+		t.Error("DeleteMultipleObjects: want error")
+	}
+	// UploadMultipleObjects has no error channel; it must return a result slice
+	// with one failed entry per input file.
+	results := m.UploadMultipleObjects(ctx, "b", []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}{
+		{Key: "a"}, {Key: "b"},
+	})
+	if len(results) != 2 {
+		t.Fatalf("len(results) = %d, want 2", len(results))
+	}
+	for _, r := range results {
+		if r.Success {
+			t.Errorf("result[%s] should not be successful with no Fn set", r.Key)
+		}
+	}
+	if len(m.Calls) < 10 {
+		t.Errorf("expected Calls to capture each invocation, got %d entries", len(m.Calls))
+	}
+}
+
+func TestS3Mock_ConfiguredFnsAreInvoked(t *testing.T) {
+	ctx := context.Background()
+	m := &S3Mock{
+		ListObjectsFn: func(_ context.Context, _, _ string, _ int, _ string) (*models.ObjectListResponse, error) {
+			return &models.ObjectListResponse{Count: 1}, nil
+		},
+		UploadObjectFn: func(_ context.Context, _, _ string, _ io.Reader, _ string) (*models.ObjectUploadResponse, error) {
+			return &models.ObjectUploadResponse{}, nil
+		},
+		CreateDirectoryMarkerFn: func(_ context.Context, _, _ string) (*models.ObjectUploadResponse, error) {
+			return &models.ObjectUploadResponse{}, nil
+		},
+		GetObjectFn: func(_ context.Context, _, _ string) (io.ReadCloser, *models.ObjectInfo, error) {
+			return io.NopCloser(strings.NewReader("x")), &models.ObjectInfo{}, nil
+		},
+		ObjectExistsFn: func(_ context.Context, _, _ string) (bool, error) { return true, nil },
+		DeleteObjectFn: func(_ context.Context, _, _ string) error { return nil },
+		GetObjectMetadataFn: func(_ context.Context, _, _ string) (*models.ObjectInfo, error) {
+			return &models.ObjectInfo{}, nil
+		},
+		GetPresignedURLFn: func(_ context.Context, _, _ string, _ time.Duration) (string, error) {
+			return "http://x", nil
+		},
+		DeleteMultipleObjectsFn: func(_ context.Context, _ string, _ []string) error { return nil },
+		UploadMultipleObjectsFn: func(_ context.Context, _ string, files []struct {
+			Key         string
+			Body        io.Reader
+			ContentType string
+		}) []services.UploadResult {
+			out := make([]services.UploadResult, len(files))
+			for i, f := range files {
+				out[i] = services.UploadResult{Key: f.Key, Success: true}
+			}
+			return out
+		},
+	}
+
+	if r, err := m.ListObjects(ctx, "b", "", 0, ""); err != nil || r.Count != 1 {
+		t.Errorf("ListObjects = (%+v, %v)", r, err)
+	}
+	if _, err := m.UploadObject(ctx, "b", "k", strings.NewReader(""), ""); err != nil {
+		t.Errorf("UploadObject: %v", err)
+	}
+	if _, err := m.CreateDirectoryMarker(ctx, "b", "k/"); err != nil {
+		t.Errorf("CreateDirectoryMarker: %v", err)
+	}
+	if _, _, err := m.GetObject(ctx, "b", "k"); err != nil {
+		t.Errorf("GetObject: %v", err)
+	}
+	if ok, err := m.ObjectExists(ctx, "b", "k"); err != nil || !ok {
+		t.Errorf("ObjectExists = (%v, %v)", ok, err)
+	}
+	if err := m.DeleteObject(ctx, "b", "k"); err != nil {
+		t.Errorf("DeleteObject: %v", err)
+	}
+	if _, err := m.GetObjectMetadata(ctx, "b", "k"); err != nil {
+		t.Errorf("GetObjectMetadata: %v", err)
+	}
+	if u, err := m.GetPresignedURL(ctx, "b", "k", time.Minute); err != nil || u == "" {
+		t.Errorf("GetPresignedURL = (%q, %v)", u, err)
+	}
+	if err := m.DeleteMultipleObjects(ctx, "b", []string{"k"}); err != nil {
+		t.Errorf("DeleteMultipleObjects: %v", err)
+	}
+	results := m.UploadMultipleObjects(ctx, "b", []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}{{Key: "a"}})
+	if len(results) != 1 || !results[0].Success {
+		t.Errorf("UploadMultipleObjects results = %+v", results)
+	}
+}

backend/internal/services/mocks/s3_mock.go

@@ -0,0 +1,143 @@
+package mocks
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"time"
+
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+)
+
+// s3NotConfigured mirrors errNotConfigured but keys messages on S3Mock so
+// failures from unset S3 methods are distinguishable from unset admin methods.
+func s3NotConfigured(method string) error {
+	return fmt.Errorf("S3Mock.%s: not configured by test", method)
+}
+
+// Compile-time guarantee that S3Mock satisfies services.S3Storage.
+var _ services.S3Storage = (*S3Mock)(nil)
+
+// S3Mock is a hand-rolled mock of services.S3Storage. Tests assign the
+// per-method function fields they care about; unset methods return
+// s3NotConfigured.
+type S3Mock struct {
+	ListObjectsFn          func(ctx context.Context, bucketName, prefix string, maxKeys int, continuationToken string) (*models.ObjectListResponse, error)
+	UploadObjectFn         func(ctx context.Context, bucketName, key string, body io.Reader, contentType string) (*models.ObjectUploadResponse, error)
+	CreateDirectoryMarkerFn func(ctx context.Context, bucketName, key string) (*models.ObjectUploadResponse, error)
+	GetObjectFn            func(ctx context.Context, bucketName, key string) (io.ReadCloser, *models.ObjectInfo, error)
+	ObjectExistsFn         func(ctx context.Context, bucketName, key string) (bool, error)
+	DeleteObjectFn         func(ctx context.Context, bucketName, key string) error
+	GetObjectMetadataFn    func(ctx context.Context, bucketName, key string) (*models.ObjectInfo, error)
+	GetPresignedURLFn      func(ctx context.Context, bucketName, key string, expiresIn time.Duration) (string, error)
+	DeleteMultipleObjectsFn func(ctx context.Context, bucketName string, keys []string) error
+	UploadMultipleObjectsFn func(ctx context.Context, bucketName string, files []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}) []services.UploadResult
+
+	// Calls records every invocation in order. Shares the Call type with
+	// AdminMock via the same package.
+	Calls []Call
+}
+
+func (m *S3Mock) record(method string, args ...any) {
+	m.Calls = append(m.Calls, Call{Method: method, Args: args})
+}
+
+func (m *S3Mock) ListObjects(ctx context.Context, bucketName, prefix string, maxKeys int, continuationToken string) (*models.ObjectListResponse, error) {
+	m.record("ListObjects", bucketName, prefix, maxKeys, continuationToken)
+	if m.ListObjectsFn == nil {
+		return nil, s3NotConfigured("ListObjects")
+	}
+	return m.ListObjectsFn(ctx, bucketName, prefix, maxKeys, continuationToken)
+}
+
+func (m *S3Mock) UploadObject(ctx context.Context, bucketName, key string, body io.Reader, contentType string) (*models.ObjectUploadResponse, error) {
+	m.record("UploadObject", bucketName, key, contentType)
+	if m.UploadObjectFn == nil {
+		return nil, s3NotConfigured("UploadObject")
+	}
+	return m.UploadObjectFn(ctx, bucketName, key, body, contentType)
+}
+
+func (m *S3Mock) CreateDirectoryMarker(ctx context.Context, bucketName, key string) (*models.ObjectUploadResponse, error) {
+	m.record("CreateDirectoryMarker", bucketName, key)
+	if m.CreateDirectoryMarkerFn == nil {
+		return nil, s3NotConfigured("CreateDirectoryMarker")
+	}
+	return m.CreateDirectoryMarkerFn(ctx, bucketName, key)
+}
+
+func (m *S3Mock) GetObject(ctx context.Context, bucketName, key string) (io.ReadCloser, *models.ObjectInfo, error) {
+	m.record("GetObject", bucketName, key)
+	if m.GetObjectFn == nil {
+		return nil, nil, s3NotConfigured("GetObject")
+	}
+	return m.GetObjectFn(ctx, bucketName, key)
+}
+
+func (m *S3Mock) ObjectExists(ctx context.Context, bucketName, key string) (bool, error) {
+	m.record("ObjectExists", bucketName, key)
+	if m.ObjectExistsFn == nil {
+		return false, s3NotConfigured("ObjectExists")
+	}
+	return m.ObjectExistsFn(ctx, bucketName, key)
+}
+
+func (m *S3Mock) DeleteObject(ctx context.Context, bucketName, key string) error {
+	m.record("DeleteObject", bucketName, key)
+	if m.DeleteObjectFn == nil {
+		return s3NotConfigured("DeleteObject")
+	}
+	return m.DeleteObjectFn(ctx, bucketName, key)
+}
+
+func (m *S3Mock) GetObjectMetadata(ctx context.Context, bucketName, key string) (*models.ObjectInfo, error) {
+	m.record("GetObjectMetadata", bucketName, key)
+	if m.GetObjectMetadataFn == nil {
+		return nil, s3NotConfigured("GetObjectMetadata")
+	}
+	return m.GetObjectMetadataFn(ctx, bucketName, key)
+}
+
+func (m *S3Mock) GetPresignedURL(ctx context.Context, bucketName, key string, expiresIn time.Duration) (string, error) {
+	m.record("GetPresignedURL", bucketName, key, expiresIn)
+	if m.GetPresignedURLFn == nil {
+		return "", s3NotConfigured("GetPresignedURL")
+	}
+	return m.GetPresignedURLFn(ctx, bucketName, key, expiresIn)
+}
+
+func (m *S3Mock) DeleteMultipleObjects(ctx context.Context, bucketName string, keys []string) error {
+	m.record("DeleteMultipleObjects", bucketName, keys)
+	if m.DeleteMultipleObjectsFn == nil {
+		return s3NotConfigured("DeleteMultipleObjects")
+	}
+	return m.DeleteMultipleObjectsFn(ctx, bucketName, keys)
+}
+
+func (m *S3Mock) UploadMultipleObjects(ctx context.Context, bucketName string, files []struct {
+	Key         string
+	Body        io.Reader
+	ContentType string
+}) []services.UploadResult {
+	m.record("UploadMultipleObjects", bucketName, len(files))
+	if m.UploadMultipleObjectsFn == nil {
+		// Can't return an error here — the interface has no error channel.
+		// Return a single synthetic failure for every file so tests that
+		// forget to configure this method see a clear red flag.
+		results := make([]services.UploadResult, len(files))
+		for i, f := range files {
+			results[i] = services.UploadResult{
+				Key:     f.Key,
+				Success: false,
+				Error:   s3NotConfigured("UploadMultipleObjects"),
+			}
+		}
+		return results
+	}
+	return m.UploadMultipleObjectsFn(ctx, bucketName, files)
+}

backend/internal/services/s3.go

@@ -1,6 +1,7 @@
 package services
 
 import (
+	"bytes"
 	"context"
 	"fmt"
 	"io"
@@ -20,11 +21,11 @@ import (
 type S3Service struct {
 	client       *minio.Client
 	config       *config.GarageConfig
-	adminService *GarageAdminService
+	adminService AdminService
 }
 
 // NewS3Service creates a new S3 service instance using MinIO SDK
-func NewS3Service(cfg *config.GarageConfig, adminService *GarageAdminService) *S3Service {
+func NewS3Service(cfg *config.GarageConfig, adminService AdminService) *S3Service {
 	// Create MinIO client for Garage
 	// trim http or https from endpoint
 	if strings.HasPrefix(cfg.Endpoint, "http://") {
@@ -37,7 +38,6 @@ func NewS3Service(cfg *config.GarageConfig, adminService *GarageAdminService) *S
 	}
 
 	client, err := minio.New(cfg.Endpoint, &minio.Options{
-		//Creds:  credentials.NewStaticV4(cfg.AccessKey, cfg.SecretKey, ""),
 		Secure: cfg.UseSSL,
 		Region: cfg.Region,
 	})
@@ -52,56 +52,77 @@ func NewS3Service(cfg *config.GarageConfig, adminService *GarageAdminService) *S
 	}
 }
 
-func (s *S3Service) getBucketCredentials(ctx context.Context, bucketName string) (*credentials.Credentials, error) {
-	cacheKey := fmt.Sprintf("key:%s", bucketName)
-	cacheData := utils.GlobalCache.Get(cacheKey)
+// Operation is a bitmask of S3 permissions a call needs. Combine with bitwise
+// OR (e.g. OpRead | OpWrite) when more than one is required.
+type Operation byte
 
-	if cacheData != nil {
-		return cacheData.(*credentials.Credentials), nil
+const (
+	OpRead  Operation = 0x1
+	OpWrite Operation = 0x2
+)
+
+// satisfies reports whether perms grants every bit set in op.
+func (op Operation) satisfies(perms models.BucketKeyPermission) bool {
+	if op&OpRead != 0 && !perms.Read {
+		return false
+	}
+	if op&OpWrite != 0 && !perms.Write {
+		return false
+	}
+	return true
+}
+
+func setKeyInCache(bucketName string, permissions models.BucketKeyPermission, creds *credentials.Credentials) {
+	canWrite := permissions.Write
+	canRead := permissions.Read
+
+	if canWrite {
+		key := fmt.Sprintf("key:%s:%d", bucketName, OpWrite)
+		utils.GlobalCache.Set(key, creds, time.Hour)
+	}
+
+	if canRead {
+		key := fmt.Sprintf("key:%s:%d", bucketName, OpRead)
+		utils.GlobalCache.Set(key, creds, time.Hour)
+	}
+
+	if canRead && canWrite {
+		key := fmt.Sprintf("key:%s:%d", bucketName, OpRead|OpWrite)
+		utils.GlobalCache.Set(key, creds, time.Hour)
+	}
+}
+
+func (s *S3Service) getBucketCredentials(ctx context.Context, bucketName string, op Operation) (*credentials.Credentials, error) {
+	cacheKey := fmt.Sprintf("key:%s:%d", bucketName, op)
+	if cached := utils.GlobalCache.Get(cacheKey); cached != nil {
+		return cached.(*credentials.Credentials), nil
 	}
 
-	// Get bucket info from Garage Admin API
 	bucketInfo, err := s.adminService.GetBucketInfoByAlias(ctx, bucketName)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get bucket info: %w", err)
 	}
 
-	// Find a key with read and write permissions
-	var accessKeyID, secretAccessKey string
 	for _, keyInfo := range bucketInfo.Keys {
-		if !keyInfo.Permissions.Read || !keyInfo.Permissions.Write {
+		if !op.satisfies(keyInfo.Permissions) {
 			continue
 		}
-
-		// Get key details with secret
 		keyDetails, err := s.adminService.GetKeyInfo(ctx, keyInfo.AccessKeyID, true)
-		if err != nil {
-			return nil, fmt.Errorf("failed to get key info: %w", err)
-		}
-
-		if keyDetails.SecretAccessKey != nil {
-			accessKeyID = keyDetails.AccessKeyID
-			secretAccessKey = *keyDetails.SecretAccessKey
-			break
+		if err != nil || keyDetails.SecretAccessKey == nil {
+			continue
 		}
+		creds := credentials.NewStaticV4(keyDetails.AccessKeyID, *keyDetails.SecretAccessKey, "")
+		setKeyInCache(bucketName, keyInfo.Permissions, creds)
+		return creds, nil
 	}
 
-	if accessKeyID == "" || secretAccessKey == "" {
-		return nil, fmt.Errorf("no valid credentials found for bucket %s", bucketName)
-	}
-
-	// Create credentials
-	creds := credentials.NewStaticV4(accessKeyID, secretAccessKey, "")
-
-	// Cache credentials for 1 hour
-	utils.GlobalCache.Set(cacheKey, creds, time.Hour)
-
-	return creds, nil
+	return nil, fmt.Errorf("no valid credentials found for bucket %s", bucketName)
 }
 
-// getMinioClient creates a MinIO client for a specific bucket with dynamic credentials
-func (s *S3Service) getMinioClient(ctx context.Context, bucketName string) (*minio.Client, error) {
-	creds, err := s.getBucketCredentials(ctx, bucketName)
+// getMinioClient creates a MinIO client for a specific bucket with credentials
+// that satisfy op.
+func (s *S3Service) getMinioClient(ctx context.Context, bucketName string, op Operation) (*minio.Client, error) {
+	creds, err := s.getBucketCredentials(ctx, bucketName, op)
 	if err != nil {
 		return nil, fmt.Errorf("cannot get credentials for bucket %s: %w", bucketName, err)
 	}
@@ -151,7 +172,7 @@ func (s *S3Service) ListBuckets(ctx context.Context) (*models.BucketListResponse
 
 // CreateBucket creates a new bucket in Garage
 func (s *S3Service) CreateBucket(ctx context.Context, bucketName string) error {
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead|OpWrite)
 	if err != nil {
 		return fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -172,7 +193,7 @@ func (s *S3Service) CreateBucket(ctx context.Context, bucketName string) error {
 
 // DeleteBucket deletes a bucket from Garage
 func (s *S3Service) DeleteBucket(ctx context.Context, bucketName string) error {
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead|OpWrite)
 	if err != nil {
 		return fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -192,7 +213,7 @@ func (s *S3Service) DeleteBucket(ctx context.Context, bucketName string) error {
 // ListObjects lists objects in a bucket with optional prefix filter and pagination
 func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string, maxKeys int, continuationToken string) (*models.ObjectListResponse, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -219,9 +240,28 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 		return nil, fmt.Errorf("failed to list objects in bucket %s: %w", bucketName, err)
 	}
 
+	// Drop directory marker objects (zero-byte keys ending in "/"). Garage
+	// returns them in Contents, but the UI renders folders from Prefixes — a
+	// marker shown as both a folder and a file is confusing. Any marker not
+	// already covered by a CommonPrefix is promoted to Prefixes below.
+	contents := make([]minio.ObjectInfo, 0, len(result.Contents))
+	markerKeys := make([]string, 0)
+	for _, obj := range result.Contents {
+		if strings.HasSuffix(obj.Key, "/") && obj.Size == 0 {
+			// A marker whose key equals the current listing prefix is the
+			// folder itself — drop it entirely so it doesn't render as a
+			// nameless child of itself.
+			if obj.Key != prefix {
+				markerKeys = append(markerKeys, obj.Key)
+			}
+			continue
+		}
+		contents = append(contents, obj)
+	}
+
 	// Process objects from result.Contents
 	// Note: ListObjectsV2 doesn't return ContentType, so we need to fetch it separately
-	objects := make([]models.ObjectInfo, len(result.Contents))
+	objects := make([]models.ObjectInfo, len(contents))
 
 	// Use goroutines to fetch ContentType concurrently for better performance
 	type statResult struct {
@@ -232,7 +272,7 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 
 	statChan := make(chan statResult, len(result.Contents))
 
-	for i, obj := range result.Contents {
+	for i, obj := range contents {
 		go func(idx int, objKey string) {
 			// Fetch object metadata to get ContentType
 			stat, err := client.StatObject(ctx, bucketName, objKey, minio.StatObjectOptions{})
@@ -255,7 +295,7 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 	}
 
 	// Collect results from goroutines
-	for range result.Contents {
+	for range contents {
 		res := <-statChan
 		if res.err == nil {
 			objects[res.index].ContentType = res.contentType
@@ -265,9 +305,20 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 	close(statChan)
 
 	// Process folders from result.CommonPrefixes
-	prefixList := make([]string, 0, len(result.CommonPrefixes))
+	prefixList := make([]string, 0, len(result.CommonPrefixes)+len(markerKeys))
+	seen := make(map[string]struct{}, len(result.CommonPrefixes))
 	for _, p := range result.CommonPrefixes {
 		prefixList = append(prefixList, p.Prefix)
+		seen[p.Prefix] = struct{}{}
+	}
+	// Promote filtered directory markers into Prefixes so empty folders still
+	// appear in the listing.
+	for _, k := range markerKeys {
+		if _, ok := seen[k]; ok {
+			continue
+		}
+		prefixList = append(prefixList, k)
+		seen[k] = struct{}{}
 	}
 
 	return &models.ObjectListResponse{
@@ -283,7 +334,7 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 // UploadObject uploads an object to a bucket
 func (s *S3Service) UploadObject(ctx context.Context, bucketName, key string, body io.Reader, contentType string) (*models.ObjectUploadResponse, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -315,15 +366,54 @@ func (s *S3Service) UploadObject(ctx context.Context, bucketName, key string, bo
 	}, nil
 }
 
+// CreateDirectoryMarker creates a zero-byte object whose key ends with "/".
+// Garage rejects the streaming path (size=-1) with "Empty body" because the
+// MinIO client switches to multipart upload, which requires payload. Passing
+// size=0 forces a single PutObject request with Content-Length: 0, which
+// Garage accepts as a directory marker.
+func (s *S3Service) CreateDirectoryMarker(ctx context.Context, bucketName, key string) (*models.ObjectUploadResponse, error) {
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
+	}
+
+	opts := minio.PutObjectOptions{ContentType: "application/x-directory"}
+
+	var info minio.UploadInfo
+	retryConfig := utils.DefaultRetryConfig()
+	err = utils.RetryWithBackoff(ctx, retryConfig, func() error {
+		var uploadErr error
+		info, uploadErr = client.PutObject(ctx, bucketName, key, bytes.NewReader(nil), 0, opts)
+		return uploadErr
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to create directory %s in bucket %s: %w", key, bucketName, err)
+	}
+
+	return &models.ObjectUploadResponse{
+		Bucket:      bucketName,
+		Key:         key,
+		ETag:        info.ETag,
+		Size:        info.Size,
+		ContentType: opts.ContentType,
+	}, nil
+}
+
 // GetObject retrieves an object from a bucket
 func (s *S3Service) GetObject(ctx context.Context, bucketName, key string) (io.ReadCloser, *models.ObjectInfo, error) {
+	// Get bucket-specific MinIO client
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
+	}
+
 	var object *minio.Object
 
 	// Call MinIO GetObject API with retry logic
 	retryConfig := utils.DefaultRetryConfig()
-	err := utils.RetryWithBackoff(ctx, retryConfig, func() error {
+	err = utils.RetryWithBackoff(ctx, retryConfig, func() error {
 		var getErr error
-		object, getErr = s.client.GetObject(ctx, bucketName, key, minio.GetObjectOptions{})
+		object, getErr = client.GetObject(ctx, bucketName, key, minio.GetObjectOptions{})
 		return getErr
 	})
 	if err != nil {
@@ -351,10 +441,16 @@ func (s *S3Service) GetObject(ctx context.Context, bucketName, key string) (io.R
 
 // DeleteObject deletes an object from a bucket
 func (s *S3Service) DeleteObject(ctx context.Context, bucketName, key string) error {
+	// Get bucket-specific MinIO client
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
+	if err != nil {
+		return fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
+	}
+
 	// Call MinIO RemoveObject API with retry logic
 	retryConfig := utils.DefaultRetryConfig()
-	err := utils.RetryWithBackoff(ctx, retryConfig, func() error {
-		return s.client.RemoveObject(ctx, bucketName, key, minio.RemoveObjectOptions{})
+	err = utils.RetryWithBackoff(ctx, retryConfig, func() error {
+		return client.RemoveObject(ctx, bucketName, key, minio.RemoveObjectOptions{})
 	})
 	if err != nil {
 		return fmt.Errorf("failed to delete object %s from bucket %s: %w", key, bucketName, err)
@@ -366,7 +462,7 @@ func (s *S3Service) DeleteObject(ctx context.Context, bucketName, key string) er
 // ObjectExists checks if an object exists in a bucket
 func (s *S3Service) ObjectExists(ctx context.Context, bucketName, key string) (bool, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
 	if err != nil {
 		return false, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -394,7 +490,7 @@ func (s *S3Service) ObjectExists(ctx context.Context, bucketName, key string) (b
 // GetObjectMetadata retrieves metadata for an object without downloading it
 func (s *S3Service) GetObjectMetadata(ctx context.Context, bucketName, key string) (*models.ObjectInfo, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -430,7 +526,7 @@ func (s *S3Service) DeleteMultipleObjects(ctx context.Context, bucketName string
 	}
 
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
 	if err != nil {
 		return fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -465,7 +561,7 @@ func (s *S3Service) DeleteMultipleObjects(ctx context.Context, bucketName string
 // This is useful for sharing files without exposing credentials
 func (s *S3Service) GetPresignedURL(ctx context.Context, bucketName, key string, expiresIn time.Duration) (string, error) {
 	// Get bucket-specific MinIO client
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpRead)
 	if err != nil {
 		return "", fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -504,7 +600,7 @@ func (s *S3Service) UploadMultipleObjects(ctx context.Context, bucketName string
 	results := make([]UploadResult, len(files))
 
 	// Get bucket-specific MinIO client once for all uploads
-	client, err := s.getMinioClient(ctx, bucketName)
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
 	if err != nil {
 		// If we can't get the client, all uploads fail
 		for i := range files {

backend/internal/services/s3_minio_test.go

@@ -0,0 +1,569 @@
+package services
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/pkg/utils"
+)
+
+// s3ErrorXML writes an S3-style error response that the MinIO SDK parses.
+func s3ErrorXML(w http.ResponseWriter, status int, code, msg string) {
+	w.Header().Set("Content-Type", "application/xml")
+	w.WriteHeader(status)
+	_, _ = fmt.Fprintf(w, `<?xml version="1.0" encoding="UTF-8"?>
+<Error><Code>%s</Code><Message>%s</Message><Resource>/</Resource><RequestId>x</RequestId></Error>`, code, msg)
+}
+
+// newS3TestService builds an S3Service whose Endpoint points at a single
+// httptest.Server handling BOTH Garage admin calls (for credential lookup)
+// and S3 data-plane requests. Admin requests are routed by path prefix
+// `/v2/` and `/health`; everything else is treated as an S3 call and
+// dispatched to s3Handler.
+func newS3TestService(t *testing.T, s3Handler http.Handler) *S3Service {
+	t.Helper()
+
+	secret := "s3-test-secret"
+	adminMux := http.NewServeMux()
+	adminMux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "TESTAK", Permissions: models.BucketKeyPermission{Read: true, Write: true}},
+			},
+		})
+	})
+	adminMux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "TESTAK",
+			SecretAccessKey: &secret,
+		})
+	})
+
+	combined := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if strings.HasPrefix(r.URL.Path, "/v2/") || r.URL.Path == "/health" {
+			adminMux.ServeHTTP(w, r)
+			return
+		}
+		s3Handler.ServeHTTP(w, r)
+	})
+
+	srv := httptest.NewServer(combined)
+	t.Cleanup(srv.Close)
+
+	admin := NewGarageV2AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "test",
+	}, "")
+
+	// strip scheme for S3 endpoint (NewS3Service does this itself if http:// prefix)
+	s3 := NewS3Service(&config.GarageConfig{
+		Endpoint: srv.URL, // http://127.0.0.1:NNNN
+		Region:   "garage",
+	}, admin)
+	return s3
+}
+
+// uniqueBucket2 returns a per-test bucket name so GlobalCache doesn't leak
+// credentials between tests.
+func uniqueBucket2(t *testing.T) string {
+	t.Helper()
+	name := "b-" + strings.ReplaceAll(t.Name(), "/", "-")
+	t.Cleanup(func() { utils.GlobalCache.Delete("key:" + name) })
+	return name
+}
+
+// fixedRequestCounter returns an http.Handler that always replies with the
+// given S3 error, and counts requests.
+func errS3Handler(status int, code string) (http.Handler, *int) {
+	var count int
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		count++
+		s3ErrorXML(w, status, code, code)
+	}), &count
+}
+
+func TestS3_ListBuckets_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusInternalServerError, "InternalError")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.ListBuckets(ctx)
+	if err == nil {
+		t.Fatal("expected error from ListBuckets, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to list buckets") {
+		t.Errorf("error %v should wrap 'failed to list buckets'", err)
+	}
+}
+
+func TestS3_CreateBucket_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusConflict, "BucketAlreadyExists")
+	s3 := newS3TestService(t, h)
+	_ = uniqueBucket2(t)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	err := s3.CreateBucket(ctx, "b-TestS3_CreateBucket_ServerError")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to create bucket") {
+		t.Errorf("error = %v, want wrap 'failed to create bucket'", err)
+	}
+}
+
+func TestS3_DeleteBucket_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusNotFound, "NoSuchBucket")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	err := s3.DeleteBucket(ctx, "b-TestS3_DeleteBucket_ServerError")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to delete bucket") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_ListObjects_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_ServerError", "", 0, "")
+	if err == nil {
+		t.Fatal("expected error from ListObjects, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to list objects") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_UploadObject_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.UploadObject(ctx, "b-TestS3_UploadObject_ServerError", "k", bytes.NewReader([]byte("hi")), "text/plain")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to upload object") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_CreateDirectoryMarker_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.CreateDirectoryMarker(ctx, "b-TestS3_CreateDirectoryMarker_ServerError", "folder/")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to create directory") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_GetObject_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusNotFound, "NoSuchKey")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, _, err := s3.GetObject(ctx, "b-TestS3_GetObject_ServerError", "missing")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+}
+
+func TestS3_DeleteObject_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	err := s3.DeleteObject(ctx, "b-TestS3_DeleteObject_ServerError", "k")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to delete object") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_ObjectExists_NoSuchKeyReturnsFalseNil(t *testing.T) {
+	h, _ := errS3Handler(http.StatusNotFound, "NoSuchKey")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	exists, err := s3.ObjectExists(ctx, "b-TestS3_ObjectExists_NoSuchKeyReturnsFalseNil", "k")
+	if err != nil {
+		t.Fatalf("ObjectExists returned error for NoSuchKey: %v", err)
+	}
+	if exists {
+		t.Error("exists should be false for NoSuchKey")
+	}
+}
+
+func TestS3_ObjectExists_OtherErrorPropagates(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.ObjectExists(ctx, "b-TestS3_ObjectExists_OtherErrorPropagates", "k")
+	if err == nil {
+		t.Fatal("expected error for AccessDenied, got nil")
+	}
+}
+
+func TestS3_GetObjectMetadata_ServerError(t *testing.T) {
+	h, _ := errS3Handler(http.StatusNotFound, "NoSuchKey")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	_, err := s3.GetObjectMetadata(ctx, "b-TestS3_GetObjectMetadata_ServerError", "k")
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to get metadata") {
+		t.Errorf("error = %v", err)
+	}
+}
+
+func TestS3_DeleteMultipleObjects_EmptyKeysIsNoop(t *testing.T) {
+	// No S3 handler should be called; use a handler that fails if invoked.
+	called := false
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		called = true
+		s3ErrorXML(w, http.StatusInternalServerError, "ShouldNotHappen", "")
+	})
+	s3 := newS3TestService(t, h)
+
+	if err := s3.DeleteMultipleObjects(context.Background(), "whatever", nil); err != nil {
+		t.Fatalf("empty keys should return nil, got %v", err)
+	}
+	if called {
+		t.Error("S3 handler was invoked for empty-keys call")
+	}
+}
+
+func TestS3_DeleteMultipleObjects_ServerErrorPropagates(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	err := s3.DeleteMultipleObjects(ctx, "b-TestS3_DeleteMultipleObjects_ServerErrorPropagates", []string{"a", "b"})
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+}
+
+func TestS3_GetPresignedURL_ReturnsURLWithoutServerCall(t *testing.T) {
+	// Presign is purely local (no network round-trip). Any handler suffices.
+	called := false
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		called = true
+	})
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.GetPresignedURL(ctx, "b-TestS3_GetPresignedURL_ReturnsURLWithoutServerCall", "k", 10*time.Minute)
+	if err != nil {
+		t.Fatalf("GetPresignedURL: %v", err)
+	}
+	u, perr := url.Parse(got)
+	if perr != nil {
+		t.Fatalf("returned URL is not parseable: %v", perr)
+	}
+	if u.Scheme == "" || u.Host == "" {
+		t.Errorf("presigned URL missing scheme/host: %q", got)
+	}
+	if !strings.Contains(u.RawQuery, "X-Amz-Signature") {
+		t.Errorf("presigned URL should contain X-Amz-Signature, got %q", got)
+	}
+	if called {
+		t.Error("presign should not make a network call")
+	}
+}
+
+// listBucketResultXML produces a ListBucketResult XML body that MinIO
+// parses. ListObjectsV2 is keyed on the `list-type=2` query parameter.
+func listBucketResultXML(bucket string, isTruncated bool, nextToken string, contents []struct {
+	Key          string
+	Size         int64
+	LastModified string
+	ETag         string
+}, commonPrefixes []string) string {
+	var b strings.Builder
+	b.WriteString(`<?xml version="1.0" encoding="UTF-8"?>`)
+	b.WriteString(`<ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">`)
+	fmt.Fprintf(&b, `<Name>%s</Name>`, bucket)
+	b.WriteString(`<Prefix></Prefix>`)
+	fmt.Fprintf(&b, `<KeyCount>%d</KeyCount>`, len(contents))
+	b.WriteString(`<MaxKeys>1000</MaxKeys>`)
+	fmt.Fprintf(&b, `<IsTruncated>%t</IsTruncated>`, isTruncated)
+	if nextToken != "" {
+		fmt.Fprintf(&b, `<NextContinuationToken>%s</NextContinuationToken>`, nextToken)
+	}
+	for _, c := range contents {
+		lm := c.LastModified
+		if lm == "" {
+			lm = "2024-01-01T00:00:00.000Z"
+		}
+		etag := c.ETag
+		if etag == "" {
+			etag = "d41d8cd98f00b204e9800998ecf8427e"
+		}
+		fmt.Fprintf(&b, `<Contents><Key>%s</Key><LastModified>%s</LastModified><ETag>"%s"</ETag><Size>%d</Size><StorageClass>STANDARD</StorageClass></Contents>`,
+			c.Key, lm, etag, c.Size)
+	}
+	for _, p := range commonPrefixes {
+		fmt.Fprintf(&b, `<CommonPrefixes><Prefix>%s</Prefix></CommonPrefixes>`, p)
+	}
+	b.WriteString(`</ListBucketResult>`)
+	return b.String()
+}
+
+// s3ListHandler routes ListObjectsV2 (GET with list-type=2) to listBody
+// and StatObject (HEAD) to a 200 response whose headers reflect statHeaders.
+func s3ListHandler(listBody string, statHeaders map[string]string) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == http.MethodHead {
+			for k, v := range statHeaders {
+				w.Header().Set(k, v)
+			}
+			if _, ok := statHeaders["Content-Length"]; !ok {
+				w.Header().Set("Content-Length", "0")
+			}
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+		// Treat any GET as a ListObjectsV2 request.
+		w.Header().Set("Content-Type", "application/xml")
+		w.WriteHeader(http.StatusOK)
+		_, _ = io.WriteString(w, listBody)
+	})
+}
+
+func TestS3_ListObjects_EmptyResult(t *testing.T) {
+	xml := listBucketResultXML("b", false, "", nil, nil)
+	s3 := newS3TestService(t, s3ListHandler(xml, nil))
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_EmptyResult", "", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if got.Count != 0 || len(got.Objects) != 0 || len(got.Prefixes) != 0 {
+		t.Errorf("expected empty listing, got %+v", got)
+	}
+}
+
+func TestS3_ListObjects_ObjectsAndPrefixes(t *testing.T) {
+	contents := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "file.txt", Size: 10},
+	}
+	xml := listBucketResultXML("b", false, "", contents, []string{"folder/"})
+	s3 := newS3TestService(t, s3ListHandler(xml, map[string]string{
+		"Content-Type":   "text/plain",
+		"Content-Length": "10",
+	}))
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_ObjectsAndPrefixes", "", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if got.Count != 1 || got.Objects[0].Key != "file.txt" {
+		t.Errorf("objects = %+v", got.Objects)
+	}
+	if len(got.Prefixes) != 1 || got.Prefixes[0] != "folder/" {
+		t.Errorf("prefixes = %+v", got.Prefixes)
+	}
+	// ContentType from StatObject may or may not round-trip depending on
+	// signature validation in the MinIO client; don't assert on it here.
+}
+
+func TestS3_ListObjects_DirectoryMarkerPromotedToPrefix(t *testing.T) {
+	// A zero-byte key ending in "/" in Contents must be dropped from
+	// Objects and promoted to Prefixes (unless already covered).
+	contents := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "empty-folder/", Size: 0},
+		{Key: "already/", Size: 0}, // duplicate of CommonPrefix — must not duplicate
+		{Key: "real.txt", Size: 5},
+	}
+	xml := listBucketResultXML("b", true, "tokenXYZ", contents, []string{"already/"})
+	s3 := newS3TestService(t, s3ListHandler(xml, map[string]string{"Content-Length": "5"}))
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_DirectoryMarkerPromotedToPrefix", "", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if got.Count != 1 || got.Objects[0].Key != "real.txt" {
+		t.Errorf("Objects should contain only real.txt, got %+v", got.Objects)
+	}
+	// Prefixes should contain "already/" (from CommonPrefix) and "empty-folder/"
+	// (promoted from Contents). "already/" must not appear twice.
+	count := map[string]int{}
+	for _, p := range got.Prefixes {
+		count[p]++
+	}
+	if count["already/"] != 1 {
+		t.Errorf("Prefixes contains 'already/' %d times, want 1: %v", count["already/"], got.Prefixes)
+	}
+	if count["empty-folder/"] != 1 {
+		t.Errorf("Prefixes missing 'empty-folder/': %v", got.Prefixes)
+	}
+	if !got.IsTruncated || got.NextContinuationToken != "tokenXYZ" {
+		t.Errorf("pagination fields not propagated: IsTruncated=%v Token=%q", got.IsTruncated, got.NextContinuationToken)
+	}
+}
+
+func TestS3_ListObjects_MarkerMatchingPrefixIsDropped(t *testing.T) {
+	// When listing a specific prefix, a marker whose key == the listing
+	// prefix is the folder itself — it must not render as a child of itself.
+	contents := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "mydir/", Size: 0}, // matches prefix — must be dropped entirely
+	}
+	xml := listBucketResultXML("b", false, "", contents, nil)
+	s3 := newS3TestService(t, s3ListHandler(xml, nil))
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_MarkerMatchingPrefixIsDropped", "mydir/", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if len(got.Objects) != 0 || len(got.Prefixes) != 0 {
+		t.Errorf("marker equal to prefix should be dropped entirely, got %+v", got)
+	}
+}
+
+func TestS3_ListObjects_StatObjectFailureLeavesContentTypeEmpty(t *testing.T) {
+	contents := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "f.bin", Size: 100},
+	}
+	xml := listBucketResultXML("b", false, "", contents, nil)
+
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == http.MethodHead {
+			// StatObject fails — return 403.
+			w.WriteHeader(http.StatusForbidden)
+			return
+		}
+		w.Header().Set("Content-Type", "application/xml")
+		w.WriteHeader(http.StatusOK)
+		_, _ = io.WriteString(w, xml)
+	})
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	got, err := s3.ListObjects(ctx, "b-TestS3_ListObjects_StatObjectFailureLeavesContentTypeEmpty", "", 0, "")
+	if err != nil {
+		t.Fatalf("ListObjects: %v", err)
+	}
+	if got.Count != 1 || got.Objects[0].Key != "f.bin" {
+		t.Fatalf("unexpected object list %+v", got.Objects)
+	}
+	if got.Objects[0].ContentType != "" {
+		t.Errorf("ContentType = %q, want empty on StatObject failure", got.Objects[0].ContentType)
+	}
+}
+
+func TestS3_UploadMultipleObjects_PerFileFailuresRecorded(t *testing.T) {
+	h, _ := errS3Handler(http.StatusForbidden, "AccessDenied")
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	results := s3.UploadMultipleObjects(ctx, "b-TestS3_UploadMultipleObjects_PerFileFailuresRecorded", []struct {
+		Key         string
+		Body        io.Reader
+		ContentType string
+	}{
+		{Key: "a", Body: bytes.NewReader([]byte("hello")), ContentType: "text/plain"},
+		{Key: "b", Body: bytes.NewReader([]byte("world")), ContentType: "text/plain"},
+	})
+
+	if len(results) != 2 {
+		t.Fatalf("len(results) = %d, want 2", len(results))
+	}
+	for i, r := range results {
+		if r.Success {
+			t.Errorf("result[%d] should not be successful: %+v", i, r)
+		}
+		if r.Error == nil {
+			t.Errorf("result[%d] should have Error set", i)
+		}
+	}
+}

backend/internal/services/s3_test.go

@@ -0,0 +1,515 @@
+package services
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/pkg/utils"
+)
+
+func TestNewS3Service_StripsHTTPPrefix(t *testing.T) {
+	cfg := &config.GarageConfig{
+		Endpoint: "http://garage:3900",
+		Region:   "garage",
+	}
+	_ = NewS3Service(cfg, nil)
+	if cfg.Endpoint != "garage:3900" {
+		t.Errorf("Endpoint = %q, want %q", cfg.Endpoint, "garage:3900")
+	}
+	if cfg.UseSSL {
+		t.Error("UseSSL should remain false for http://")
+	}
+}
+
+func TestNewS3Service_StripsHTTPSPrefixAndEnablesSSL(t *testing.T) {
+	cfg := &config.GarageConfig{
+		Endpoint: "https://garage.example.com",
+		Region:   "garage",
+	}
+	_ = NewS3Service(cfg, nil)
+	if cfg.Endpoint != "garage.example.com" {
+		t.Errorf("Endpoint = %q", cfg.Endpoint)
+	}
+	if !cfg.UseSSL {
+		t.Error("UseSSL should be flipped to true for https://")
+	}
+}
+
+func TestNewS3Service_LeavesBareHostUnchanged(t *testing.T) {
+	cfg := &config.GarageConfig{
+		Endpoint: "garage:3900",
+		Region:   "garage",
+		UseSSL:   true, // pre-set; should remain true
+	}
+	_ = NewS3Service(cfg, nil)
+	if cfg.Endpoint != "garage:3900" {
+		t.Errorf("Endpoint mutated unexpectedly: %q", cfg.Endpoint)
+	}
+	if !cfg.UseSSL {
+		t.Error("pre-set UseSSL must be preserved")
+	}
+}
+
+// adminBackedS3 wires an S3Service to a fresh GarageV2AdminService that talks
+// to the supplied http.Handler.
+func adminBackedS3(t *testing.T, handler http.Handler) (*S3Service, *httptest.Server) {
+	t.Helper()
+	srv := httptest.NewServer(handler)
+	t.Cleanup(srv.Close)
+
+	admin := NewGarageV2AdminService(&config.GarageConfig{
+		AdminEndpoint: srv.URL,
+		AdminToken:    "test-token",
+	}, "")
+	s3 := NewS3Service(&config.GarageConfig{
+		Endpoint: "garage:3900",
+		Region:   "garage",
+	}, admin)
+	return s3, srv
+}
+
+// uniqueBucket returns a per-subtest bucket name so cached credentials from
+// one test don't leak into another via utils.GlobalCache.
+func uniqueBucket(t *testing.T) string {
+	t.Helper()
+	name := "test-bucket-" + t.Name()
+	t.Cleanup(func() {
+		for _, op := range []Operation{OpRead, OpWrite, OpRead | OpWrite} {
+			utils.GlobalCache.Delete(fmt.Sprintf("key:%s:%d", name, op))
+		}
+	})
+	return name
+}
+
+func TestGetBucketCredentials_HappyPath(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "the-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{
+					AccessKeyID: "AK",
+					Permissions: models.BucketKeyPermission{Read: true, Write: true},
+				},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "AK",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
+	if err != nil {
+		t.Fatalf("getBucketCredentials: %v", err)
+	}
+	if creds == nil {
+		t.Fatal("creds is nil")
+	}
+	v, err := creds.GetWithContext(nil)
+	if err != nil {
+		t.Fatalf("creds.GetWithContext: %v", err)
+	}
+	if v.AccessKeyID != "AK" || v.SecretAccessKey != secret {
+		t.Errorf("got AK=%q SK=%q, want AK SK=%q", v.AccessKeyID, v.SecretAccessKey, secret)
+	}
+}
+
+func TestGetBucketCredentials_CachesAcrossCalls(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "cache-secret"
+
+	var bucketCalls, keyCalls int
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		bucketCalls++
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "AK", Permissions: models.BucketKeyPermission{Read: true, Write: true}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		keyCalls++
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "AK",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	for i := range 3 {
+		if _, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite); err != nil {
+			t.Fatalf("call %d: %v", i, err)
+		}
+	}
+	if bucketCalls != 1 {
+		t.Errorf("GetBucketInfo called %d times, want 1 (cache should serve calls 2-3)", bucketCalls)
+	}
+	if keyCalls != 1 {
+		t.Errorf("GetKeyInfo called %d times, want 1", keyCalls)
+	}
+}
+
+func TestGetBucketCredentials_RWKeyWarmsAllTiers(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "rw-secret"
+
+	var bucketCalls, keyCalls int
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		bucketCalls++
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "RW", Permissions: models.BucketKeyPermission{Read: true, Write: true}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		keyCalls++
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "RW",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	// Prime via OpRead — should populate OpRead, OpWrite, and OpRead|OpWrite.
+	if _, err := s3.getBucketCredentials(context.Background(), bucket, OpRead); err != nil {
+		t.Fatalf("prime OpRead: %v", err)
+	}
+	for _, op := range []Operation{OpWrite, OpRead | OpWrite, OpRead} {
+		if _, err := s3.getBucketCredentials(context.Background(), bucket, op); err != nil {
+			t.Fatalf("op %d: %v", op, err)
+		}
+	}
+	if bucketCalls != 1 {
+		t.Errorf("GetBucketInfo called %d times, want 1 (RW key should warm every tier)", bucketCalls)
+	}
+	if keyCalls != 1 {
+		t.Errorf("GetKeyInfo called %d times, want 1", keyCalls)
+	}
+}
+
+// A read-only key must NOT populate the write or RW cache slots, otherwise an
+// OpWrite call would receive credentials the cluster will reject.
+func TestGetBucketCredentials_ReadOnlyKeyDoesNotPoisonWriteCache(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "ro-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "READ-ONLY", Permissions: models.BucketKeyPermission{Read: true, Write: false}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "READ-ONLY",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	// Warm OpRead cache with the read-only key.
+	if _, err := s3.getBucketCredentials(context.Background(), bucket, OpRead); err != nil {
+		t.Fatalf("prime OpRead: %v", err)
+	}
+	// OpWrite must still fail — the read-only key must not have leaked into
+	// the write cache slot.
+	if _, err := s3.getBucketCredentials(context.Background(), bucket, OpWrite); err == nil {
+		t.Fatal("OpWrite served credentials from a read-only key; cache was poisoned")
+	}
+}
+
+func TestGetBucketCredentials_OpReadWriteSkipsKeysMissingAnyBit(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "good-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "READ-ONLY", Permissions: models.BucketKeyPermission{Read: true, Write: false}},
+				{AccessKeyID: "WRITE-ONLY", Permissions: models.BucketKeyPermission{Read: false, Write: true}},
+				{AccessKeyID: "NO-PERMS", Permissions: models.BucketKeyPermission{}},
+				{AccessKeyID: "RW", Permissions: models.BucketKeyPermission{Read: true, Write: true}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Query().Get("id") != "RW" {
+			t.Errorf("GetKeyInfo called with id=%q, want RW", r.URL.Query().Get("id"))
+		}
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "RW",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
+	if err != nil {
+		t.Fatalf("getBucketCredentials: %v", err)
+	}
+	v, err := creds.GetWithContext(nil)
+	if err != nil {
+		t.Fatalf("creds.GetWithContext: %v", err)
+	}
+	if v.AccessKeyID != "RW" {
+		t.Errorf("AccessKeyID = %q, want RW", v.AccessKeyID)
+	}
+}
+
+// Regression test for issue #44: read-only buckets must remain browsable when
+// no read+write key is assigned. Before the fix, this case returned
+// "no valid credentials found for bucket music" and the UI broke entirely.
+func TestGetBucketCredentials_ReadOnlyFallsBackToReadKey(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "ro-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "READ-ONLY", Permissions: models.BucketKeyPermission{Read: true, Write: false}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "READ-ONLY",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead)
+	if err != nil {
+		t.Fatalf("getBucketCredentials: %v", err)
+	}
+	v, err := creds.GetWithContext(nil)
+	if err != nil {
+		t.Fatalf("creds.GetWithContext: %v", err)
+	}
+	if v.AccessKeyID != "READ-ONLY" {
+		t.Errorf("AccessKeyID = %q, want READ-ONLY", v.AccessKeyID)
+	}
+}
+
+// Even with only a read-only key available, asking for write credentials must
+// still fail loudly so uploads/deletes return a meaningful error instead of
+// silently using a key that the cluster will reject.
+func TestGetBucketCredentials_ReadOnlyBucketRejectsWriteRequest(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "ro-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "READ-ONLY", Permissions: models.BucketKeyPermission{Read: true, Write: false}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "READ-ONLY",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	_, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
+	if err == nil {
+		t.Fatal("expected error when only a read-only key exists, got nil")
+	}
+	if !strings.Contains(err.Error(), "no valid credentials") {
+		t.Errorf("expected 'no valid credentials' in error, got %v", err)
+	}
+}
+
+// Mirror of issue #44 for write-only buckets: uploads must still succeed with a
+// write-only key, even though no key grants read access.
+func TestGetBucketCredentials_WriteOnlyFallsBackToWriteKey(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "wo-secret"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "WRITE-ONLY", Permissions: models.BucketKeyPermission{Read: false, Write: true}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{
+			AccessKeyID:     "WRITE-ONLY",
+			SecretAccessKey: &secret,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpWrite)
+	if err != nil {
+		t.Fatalf("getBucketCredentials: %v", err)
+	}
+	v, err := creds.GetWithContext(nil)
+	if err != nil {
+		t.Fatalf("creds.GetWithContext: %v", err)
+	}
+	if v.AccessKeyID != "WRITE-ONLY" {
+		t.Errorf("AccessKeyID = %q, want WRITE-ONLY", v.AccessKeyID)
+	}
+}
+
+func TestGetBucketCredentials_NoEligibleKeyReturnsError(t *testing.T) {
+	bucket := uniqueBucket(t)
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID:   "bid",
+			Keys: []models.BucketKeyInfo{}, // no keys at all
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		t.Error("GetKeyInfo should not be called when no keys exist")
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	_, err := s3.getBucketCredentials(context.Background(), bucket, OpRead)
+	if err == nil {
+		t.Fatal("expected error when bucket has no keys, got nil")
+	}
+	if !strings.Contains(err.Error(), "no valid credentials") {
+		t.Errorf("expected 'no valid credentials' in error, got %v", err)
+	}
+}
+
+func TestGetBucketCredentials_KeyWithoutSecretIsSkipped(t *testing.T) {
+	bucket := uniqueBucket(t)
+	secret := "good"
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID: "bid",
+			Keys: []models.BucketKeyInfo{
+				{AccessKeyID: "FIRST-RW", Permissions: models.BucketKeyPermission{Read: true, Write: true}},
+				{AccessKeyID: "SECOND-RW", Permissions: models.BucketKeyPermission{Read: true, Write: true}},
+			},
+		})
+	})
+	mux.HandleFunc("/v2/GetKeyInfo", func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Query().Get("id") {
+		case "FIRST-RW":
+			_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{AccessKeyID: "FIRST-RW", SecretAccessKey: nil})
+		case "SECOND-RW":
+			_ = json.NewEncoder(w).Encode(&models.GarageKeyInfo{AccessKeyID: "SECOND-RW", SecretAccessKey: &secret})
+		default:
+			t.Errorf("unexpected GetKeyInfo id: %q", r.URL.Query().Get("id"))
+		}
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
+	if err != nil {
+		t.Fatalf("getBucketCredentials: %v", err)
+	}
+	v, err := creds.GetWithContext(nil)
+	if err != nil {
+		t.Fatalf("creds.GetWithContext: %v", err)
+	}
+	if v.AccessKeyID != "SECOND-RW" {
+		t.Errorf("AccessKeyID = %q, want SECOND-RW (loop must skip FIRST-RW's nil secret)", v.AccessKeyID)
+	}
+}
+
+func TestGetBucketCredentials_AdminErrorPropagates(t *testing.T) {
+	bucket := uniqueBucket(t)
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+		_, _ = w.Write([]byte(`{"error":"boom"}`))
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	_, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
+	if err == nil {
+		t.Fatal("expected error when admin call fails, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to get bucket info") {
+		t.Errorf("expected wrapped 'failed to get bucket info' error, got %v", err)
+	}
+}
+
+func TestGetBucketStatistics_HappyPath(t *testing.T) {
+	bucket := uniqueBucket(t)
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		if !strings.Contains(r.URL.RawQuery, "globalAlias=") {
+			t.Errorf("expected globalAlias query, got %q", r.URL.RawQuery)
+		}
+		_ = json.NewEncoder(w).Encode(&models.GarageBucketInfo{
+			ID:      "bid",
+			Objects: 42,
+			Bytes:   123_456,
+		})
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	stats, err := s3.GetBucketStatistics(context.Background(), bucket)
+	if err != nil {
+		t.Fatalf("GetBucketStatistics: %v", err)
+	}
+	if stats.ObjectCount != 42 || stats.TotalSize != 123_456 {
+		t.Errorf("got %+v, want ObjectCount=42 TotalSize=123456", stats)
+	}
+}
+
+func TestGetBucketStatistics_AdminErrorPropagates(t *testing.T) {
+	bucket := uniqueBucket(t)
+
+	mux := http.NewServeMux()
+	mux.HandleFunc("/v2/GetBucketInfo", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusNotFound)
+		_, _ = w.Write([]byte(`{"error":"no such bucket"}`))
+	})
+	s3, _ := adminBackedS3(t, mux)
+
+	_, err := s3.GetBucketStatistics(context.Background(), bucket)
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "failed to get bucket info") {
+		t.Errorf("expected 'failed to get bucket info' wrap, got %v", err)
+	}
+}

backend/main.go

@@ -3,20 +3,24 @@ package main
 import (
 	"flag"
 	"fmt"
-	"log"
 	"os"
 	"os/signal"
+	"runtime"
+	"runtime/debug"
 	"syscall"
+	"time"
 
 	"Noooste/garage-ui/internal/auth"
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/handlers"
+	appmw "Noooste/garage-ui/internal/middleware"
 	"Noooste/garage-ui/internal/routes"
 	"Noooste/garage-ui/internal/services"
+	"Noooste/garage-ui/pkg/logger"
 
 	"github.com/gofiber/fiber/v3"
-	"github.com/gofiber/fiber/v3/middleware/logger"
 	"github.com/gofiber/fiber/v3/middleware/recover"
+	"github.com/rs/zerolog/log"
 )
 
 //	@title			Garage UI API
@@ -55,27 +59,65 @@ import (
 //	@name						Authorization
 //	@description				Type "Bearer" followed by a space and JWT token.
 
-const version = "0.1.0"
+var version = "dev"
 
 func main() {
 	// Parse command-line flags
 	configPath := flag.String("config", "config.yaml", "Path to configuration file")
+	garageTomlPath := flag.String("garage-toml", "", "Path to garage.toml file (extracts Garage connection values)")
 	flag.Parse()
 
-	// Load configuration
-	log.Printf("Loading configuration from: %s", *configPath)
-	cfg, err := config.Load(*configPath)
-	if err != nil {
-		log.Fatalf("Failed to load configuration: %v", err)
+	// Env var fallback for --garage-toml
+	if *garageTomlPath == "" {
+		if envPath := os.Getenv("GARAGE_UI_GARAGE_TOML"); envPath != "" {
+			*garageTomlPath = envPath
+		}
 	}
 
-	log.Printf("Starting Garage UI Backend v%s in %s mode", version, cfg.Server.Environment)
+	// Build load options
+	var loadOpts []config.LoadOption
+	if *garageTomlPath != "" {
+		loadOpts = append(loadOpts, config.WithGarageToml(*garageTomlPath))
+	}
+
+	// Load configuration first (before initializing logger)
+	cfg, err := config.Load(*configPath, loadOpts...)
+	if err != nil {
+		// If config fails to load, use default logger to report the error
+		logger.Get().Fatal().Err(err).Str("config_path", *configPath).Msg("Failed to load configuration")
+	}
+
+	// Initialize logger with configuration from config file
+	logger.Init(logger.Config{
+		Level:  cfg.Logging.Level,
+		Format: cfg.Logging.Format,
+	})
+
+	// Now log with the properly configured logger
+	logger.Info().
+		Str("config_path", *configPath).
+		Str("version", version).
+		Str("go_version", runtime.Version()).
+		Str("environment", cfg.Server.Environment).
+		Msg("Starting Garage UI Backend")
+
+	if *garageTomlPath != "" {
+		logger.Warn().
+			Str("s3_endpoint", cfg.Garage.Endpoint).
+			Str("admin_endpoint", cfg.Garage.AdminEndpoint).
+			Msg("Endpoints inferred from garage.toml bind addresses — override with GARAGE_UI_GARAGE_ENDPOINT / GARAGE_UI_GARAGE_ADMIN_ENDPOINT for remote/container setups")
+	}
 
 	// Initialize services
-	log.Println("Initializing Garage Admin service...")
-	adminService := services.NewGarageAdminService(&cfg.Garage)
+	logger.Info().Msg("Detecting Garage API version")
+	adminResult, err := services.NewAdminService(&cfg.Garage, cfg.Logging.Level)
+	if err != nil {
+		logger.Fatal().Err(err).Msg("Failed to connect to Garage admin API")
+	}
+	adminService := adminResult.Service
+	capabilitiesHandler := handlers.NewCapabilitiesHandler(adminResult.APIVersion, adminResult.Capabilities)
 
-	log.Println("Initializing S3 service...")
+	logger.Info().Msg("Initializing S3 service")
 	s3Service := services.NewS3Service(&cfg.Garage, adminService)
 
 	// Determine enabled auth methods for logging
@@ -86,13 +128,16 @@ func main() {
 	if cfg.Auth.OIDC.Enabled {
 		authMethods = append(authMethods, "oidc")
 	}
+	if cfg.Auth.Token.Enabled {
+		authMethods = append(authMethods, "token")
+	}
 	if len(authMethods) == 0 {
 		authMethods = append(authMethods, "none")
 	}
-	log.Printf("Initializing authentication service (enabled: %v)...", authMethods)
+	logger.Info().Strs("enabled_methods", authMethods).Msg("Initializing authentication service")
 	authService, err := auth.NewAuthService(&cfg.Auth, &cfg.Server)
 	if err != nil {
-		log.Fatalf("Failed to initialize auth service: %v", err)
+		logger.Fatal().Err(err).Msg("Failed to initialize auth service")
 	}
 
 	// Initialize handlers
@@ -121,27 +166,41 @@ func main() {
 		writeBufferSize = 4096 // 4KB default
 	}
 
-	log.Printf("Server limits - Max body: %d bytes (%.2fMB), Max header: %d bytes (%.2fKB)",
-		maxBodySize, float64(maxBodySize)/(1024*1024),
-		maxHeaderSize, float64(maxHeaderSize)/1024)
+	logger.Info().
+		Int64("max_body_bytes", maxBodySize).
+		Float64("max_body_mb", float64(maxBodySize)/(1024*1024)).
+		Int("max_header_bytes", maxHeaderSize).
+		Float64("max_header_kb", float64(maxHeaderSize)/1024).
+		Msg("Server request limits configured")
 
 	// Create Fiber app with configuration
 	app := fiber.New(fiber.Config{
-		AppName:         "Garage UI Backend v" + version,
+		AppName:         "Garage UI Backend | Version: " + version,
 		BodyLimit:       int(maxBodySize),
 		ReadBufferSize:  readBufferSize,
 		WriteBufferSize: writeBufferSize,
 		ErrorHandler:    customErrorHandler,
 	})
 
-	// Apply global middleware
-	app.Use(recover.New()) // Panic recovery
-	app.Use(logger.New(logger.Config{
-		Format: "[${time}] ${status} - ${method} ${path} (${latency})\n",
+	// Apply global middleware (order matters):
+	//   1. recover — must be outermost so panics become 500s.
+	//   2. RequestID — mints/reads X-Request-ID before any logger needs it.
+	//   3. Logging — builds per-request zerolog logger + emits access log.
+	// Auth middleware is installed per-route inside routes.SetupRoutes.
+	app.Use(recover.New(recover.Config{
+		EnableStackTrace: true,
+		StackTraceHandler: func(c fiber.Ctx, e interface{}) {
+			logger.FromCtx(c.Context()).Error().
+				Interface("panic", e).
+				Bytes("stack", debug.Stack()).
+				Msg("panic_recovered")
+		},
 	}))
+	app.Use(appmw.RequestID())
+	app.Use(appmw.Logging(log.Logger))
 
 	// Setup routes
-	log.Println("Setting up routes...")
+	logger.Info().Msg("Setting up routes")
 	routes.SetupRoutes(
 		app,
 		cfg,
@@ -152,47 +211,56 @@ func main() {
 		userHandler,
 		clusterHandler,
 		monitoringHandler,
+		capabilitiesHandler,
 	)
 
 	// Start server in a goroutine
 	go func() {
 		addr := cfg.GetAddress()
-		log.Printf("Server listening on %s", addr)
-		log.Printf("Health check available at: http://%s/health", addr)
-		log.Printf("API documentation: http://%s/api/v1/", addr)
+		logger.Info().
+			Str("address", addr).
+			Str("network", fiber.NetworkTCP).
+			Str("health_endpoint", fmt.Sprintf("http://%s/health", addr)).
+			Str("api_docs", fmt.Sprintf("http://%s/api/v1/", addr)).
+			Msg("Server starting")
 
-		if err := app.Listen(addr); err != nil {
-			log.Fatalf("Failed to start server: %v", err)
+		if err := app.Listen(addr, fiber.ListenConfig{ListenerNetwork: fiber.NetworkTCP}); err != nil {
+			logger.Fatal().Err(err).Msg("Failed to start server")
 		}
 	}()
 
-	// Wait for interrupt signal to gracefully shutdown the server
+	// Wait for interrupt signal to gracefully shutdown the server.
 	quit := make(chan os.Signal, 1)
 	signal.Notify(quit, os.Interrupt, syscall.SIGTERM)
-	<-quit
+	sig := <-quit
 
-	log.Println("Shutting down server...")
+	logger.Info().Str("signal", sig.String()).Msg("Shutting down server")
+	shutdownStart := time.Now()
 	if err := app.Shutdown(); err != nil {
-		log.Fatalf("Server shutdown failed: %v", err)
+		logger.Fatal().Err(err).Msg("Server shutdown failed")
 	}
 
-	log.Println("Server stopped gracefully")
+	logger.Info().
+		Dur("shutdown_duration", time.Since(shutdownStart)).
+		Msg("Server stopped gracefully")
 }
 
-// customErrorHandler handles errors globally
+// customErrorHandler handles errors globally. It uses the per-request logger
+// from c.Context() so request_id / user_id attach automatically, and it
+// demotes expected 4xx responses to warn (5xx stays at error).
 func customErrorHandler(c fiber.Ctx, err error) error {
-	// Default to 500 Internal Server Error
 	code := fiber.StatusInternalServerError
-
-	// Check if it's a Fiber error
 	if e, ok := err.(*fiber.Error); ok {
 		code = e.Code
 	}
 
-	// Log the error
-	log.Printf("Error: %v", err)
+	l := logger.FromCtx(c.Context())
+	evt := l.Error()
+	if code >= 400 && code < 500 {
+		evt = l.Warn()
+	}
+	evt.Err(err).Int("status_code", code).Msg("request_error")
 
-	// Return JSON error response
 	return c.Status(code).JSON(fiber.Map{
 		"success": false,
 		"error": fiber.Map{

backend/pkg/logger/ctx.go

@@ -0,0 +1,30 @@
+package logger
+
+import (
+	"context"
+
+	"github.com/rs/zerolog"
+)
+
+// ctxKey is unexported so other packages can't collide.
+type ctxKey struct{}
+
+// IntoCtx returns a new context carrying the given logger. Retrieve it later
+// with FromCtx. Middleware that builds a per-request logger should call this
+// once per request.
+func IntoCtx(ctx context.Context, l zerolog.Logger) context.Context {
+	return context.WithValue(ctx, ctxKey{}, l)
+}
+
+// FromCtx returns the logger bound to ctx. If no logger is bound (e.g. the
+// call is outside any middleware, or ctx is nil), it returns the global
+// logger. Never returns nil.
+func FromCtx(ctx context.Context) *zerolog.Logger {
+	if ctx != nil {
+		if l, ok := ctx.Value(ctxKey{}).(zerolog.Logger); ok {
+			return &l
+		}
+	}
+	l := Get().Logger
+	return &l
+}

backend/pkg/logger/ctx_test.go

@@ -0,0 +1,42 @@
+package logger
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"strings"
+	"testing"
+
+	"github.com/rs/zerolog"
+)
+
+func TestFromCtx_ReturnsBoundLogger(t *testing.T) {
+	var buf bytes.Buffer
+	l := zerolog.New(&buf).With().Str("request_id", "req-1").Logger()
+
+	ctx := IntoCtx(context.Background(), l)
+	got := FromCtx(ctx)
+	got.Info().Msg("hello")
+
+	var parsed map[string]any
+	line := strings.TrimSpace(buf.String())
+	if err := json.Unmarshal([]byte(line), &parsed); err != nil {
+		t.Fatalf("not JSON: %v — %s", err, line)
+	}
+	if parsed["request_id"] != "req-1" {
+		t.Errorf("request_id = %v, want req-1", parsed["request_id"])
+	}
+	if parsed["message"] != "hello" {
+		t.Errorf("message = %v, want hello", parsed["message"])
+	}
+}
+
+func TestFromCtx_NoLoggerFallsBackToDisabled(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			t.Fatalf("FromCtx panicked: %v", r)
+		}
+	}()
+	l := FromCtx(context.Background())
+	l.Info().Msg("should not panic")
+}

backend/pkg/logger/logger.go

@@ -21,17 +21,16 @@ var (
 
 // Config holds logger configuration
 type Config struct {
-	Level      string // debug, info, warn, error
-	Pretty     bool   // Enable console pretty printing
-	TimeFormat string // Time format (default: time.RFC3339)
+	Level  string // debug, info, warn, error
+	Format string // json, text
 }
 
 // Init initializes the global logger with the given configuration
 func Init(cfg Config) {
 	var output io.Writer = os.Stdout
 
-	// Set up pretty console output if enabled
-	if cfg.Pretty {
+	// Set up console output for text format
+	if cfg.Format == "text" {
 		output = zerolog.ConsoleWriter{
 			Out:        os.Stdout,
 			TimeFormat: time.RFC3339,
@@ -70,7 +69,7 @@ func Get() *Logger {
 		// Initialize with defaults if not initialized
 		Init(Config{
 			Level:  "info",
-			Pretty: true,
+			Format: "text",
 		})
 	}
 	return globalLogger

backend/pkg/logger/logger_test.go

@@ -0,0 +1,261 @@
+package logger
+
+import (
+	"bufio"
+	"encoding/json"
+	"io"
+	"os"
+	"strings"
+	"sync"
+	"testing"
+)
+
+// serializeLoggerTests guards the global mutations (os.Stdout, globalLogger,
+// zerolog global). These tests cannot run in parallel with each other.
+var serializeLoggerTests sync.Mutex
+
+// captureStdout swaps os.Stdout for a pipe, calls fn, restores stdout, and
+// returns everything written during fn.
+func captureStdout(t *testing.T, fn func()) string {
+	t.Helper()
+
+	r, w, err := os.Pipe()
+	if err != nil {
+		t.Fatalf("os.Pipe: %v", err)
+	}
+
+	old := os.Stdout
+	os.Stdout = w
+	t.Cleanup(func() { os.Stdout = old })
+
+	// Run fn and close writer so the reader unblocks.
+	doneWrite := make(chan struct{})
+	go func() {
+		fn()
+		_ = w.Close()
+		close(doneWrite)
+	}()
+
+	var buf strings.Builder
+	scanner := bufio.NewScanner(r)
+	scanner.Buffer(make([]byte, 64*1024), 1024*1024)
+	for scanner.Scan() {
+		buf.WriteString(scanner.Text())
+		buf.WriteByte('\n')
+	}
+	// Drain any residual (shouldn't happen after Close, but safe):
+	_, _ = io.Copy(io.Discard, r)
+	<-doneWrite
+	return buf.String()
+}
+
+func TestInit_JSONFormatProducesParseableOutput(t *testing.T) {
+	serializeLoggerTests.Lock()
+	defer serializeLoggerTests.Unlock()
+
+	out := captureStdout(t, func() {
+		Init(Config{Level: "info", Format: "json"})
+		Info().Str("user", "alice").Msg("hello")
+	})
+
+	// Find the first non-empty line; parse as JSON.
+	var line string
+	for l := range strings.SplitSeq(out, "\n") {
+		if strings.TrimSpace(l) != "" {
+			line = l
+			break
+		}
+	}
+	if line == "" {
+		t.Fatalf("no log output captured; stdout = %q", out)
+	}
+
+	var parsed map[string]any
+	if err := json.Unmarshal([]byte(line), &parsed); err != nil {
+		t.Fatalf("log line is not valid JSON: %v\nline: %s", err, line)
+	}
+
+	// Field assertions — zerolog uses "message" for the msg and "level" for level.
+	if got, _ := parsed["message"].(string); got != "hello" {
+		t.Errorf("message = %v, want hello", parsed["message"])
+	}
+	if got, _ := parsed["user"].(string); got != "alice" {
+		t.Errorf("user field = %v, want alice", parsed["user"])
+	}
+	if got, _ := parsed["level"].(string); got != "info" {
+		t.Errorf("level = %v, want info", parsed["level"])
+	}
+	if _, ok := parsed["time"]; !ok {
+		t.Errorf("expected time field; got keys %v", keysOf(parsed))
+	}
+	if _, ok := parsed["caller"]; !ok {
+		t.Errorf("expected caller field; got keys %v", keysOf(parsed))
+	}
+}
+
+func TestInit_LevelFilterDropsBelowThreshold(t *testing.T) {
+	serializeLoggerTests.Lock()
+	defer serializeLoggerTests.Unlock()
+
+	out := captureStdout(t, func() {
+		Init(Config{Level: "warn", Format: "json"})
+		Debug().Msg("debug-dropped")
+		Info().Msg("info-dropped")
+		Warn().Msg("warn-kept")
+		Error().Msg("error-kept")
+	})
+
+	if strings.Contains(out, "debug-dropped") {
+		t.Errorf("debug event leaked through warn filter: %s", out)
+	}
+	if strings.Contains(out, "info-dropped") {
+		t.Errorf("info event leaked through warn filter: %s", out)
+	}
+	if !strings.Contains(out, "warn-kept") {
+		t.Errorf("warn event missing: %s", out)
+	}
+	if !strings.Contains(out, "error-kept") {
+		t.Errorf("error event missing: %s", out)
+	}
+}
+
+func TestInit_UnknownLevelDefaultsToInfo(t *testing.T) {
+	serializeLoggerTests.Lock()
+	defer serializeLoggerTests.Unlock()
+
+	out := captureStdout(t, func() {
+		Init(Config{Level: "gibberish", Format: "json"})
+		Debug().Msg("debug-should-be-dropped")
+		Info().Msg("info-should-appear")
+	})
+
+	if strings.Contains(out, "debug-should-be-dropped") {
+		t.Errorf("debug leaked at default info level: %s", out)
+	}
+	if !strings.Contains(out, "info-should-appear") {
+		t.Errorf("info missing at default info level: %s", out)
+	}
+}
+
+func TestInit_TextFormatDoesNotCrashAndIsNotJSON(t *testing.T) {
+	serializeLoggerTests.Lock()
+	defer serializeLoggerTests.Unlock()
+
+	out := captureStdout(t, func() {
+		Init(Config{Level: "info", Format: "text"})
+		Info().Str("k", "v").Msg("plain")
+	})
+
+	if !strings.Contains(out, "plain") {
+		t.Errorf("text output missing message: %s", out)
+	}
+	// Console writer output is ANSI-colored key=value form, not JSON.
+	var parsed map[string]any
+	if json.Unmarshal([]byte(strings.Split(out, "\n")[0]), &parsed) == nil {
+		t.Errorf("text format unexpectedly parsed as JSON: %s", out)
+	}
+}
+
+func TestGet_AutoInitializesWhenUnused(t *testing.T) {
+	serializeLoggerTests.Lock()
+	defer serializeLoggerTests.Unlock()
+
+	// Forcibly clear the global so Get() hits the lazy-init branch.
+	globalLogger = nil
+
+	l := Get()
+	if l == nil {
+		t.Fatal("Get() returned nil; lazy init did not run")
+	}
+	if globalLogger == nil {
+		t.Fatal("globalLogger still nil after Get()")
+	}
+}
+
+func TestWithComponent_AddsComponentField(t *testing.T) {
+	serializeLoggerTests.Lock()
+	defer serializeLoggerTests.Unlock()
+
+	out := captureStdout(t, func() {
+		Init(Config{Level: "info", Format: "json"})
+		comp := WithComponent("buckets")
+		comp.Info().Msg("tagged")
+	})
+
+	line := firstNonEmptyLine(out)
+	var parsed map[string]any
+	if err := json.Unmarshal([]byte(line), &parsed); err != nil {
+		t.Fatalf("not JSON: %v — %s", err, line)
+	}
+	if got, _ := parsed["component"].(string); got != "buckets" {
+		t.Errorf("component = %v, want buckets", parsed["component"])
+	}
+}
+
+func TestLogger_WithContext_AddsFields(t *testing.T) {
+	serializeLoggerTests.Lock()
+	defer serializeLoggerTests.Unlock()
+
+	out := captureStdout(t, func() {
+		Init(Config{Level: "info", Format: "json"})
+		l := Get().WithContext(map[string]any{
+			"request_id": "req-42",
+			"attempt":    2,
+		})
+		l.Info().Msg("ctx")
+	})
+
+	line := firstNonEmptyLine(out)
+	var parsed map[string]any
+	if err := json.Unmarshal([]byte(line), &parsed); err != nil {
+		t.Fatalf("not JSON: %v — %s", err, line)
+	}
+	if parsed["request_id"] != "req-42" {
+		t.Errorf("request_id = %v", parsed["request_id"])
+	}
+	// JSON numbers decode to float64.
+	if got, _ := parsed["attempt"].(float64); got != 2 {
+		t.Errorf("attempt = %v, want 2", parsed["attempt"])
+	}
+}
+
+func TestWithError_AttachesErrorField(t *testing.T) {
+	serializeLoggerTests.Lock()
+	defer serializeLoggerTests.Unlock()
+
+	out := captureStdout(t, func() {
+		Init(Config{Level: "error", Format: "json"})
+		WithError(io.EOF).Msg("boom")
+	})
+
+	line := firstNonEmptyLine(out)
+	var parsed map[string]any
+	if err := json.Unmarshal([]byte(line), &parsed); err != nil {
+		t.Fatalf("not JSON: %v — %s", err, line)
+	}
+	if got, _ := parsed["error"].(string); got != io.EOF.Error() {
+		t.Errorf("error field = %v, want %q", parsed["error"], io.EOF.Error())
+	}
+	if got, _ := parsed["level"].(string); got != "error" {
+		t.Errorf("level = %v, want error", parsed["level"])
+	}
+}
+
+// --- helpers ---
+
+func firstNonEmptyLine(s string) string {
+	for l := range strings.SplitSeq(s, "\n") {
+		if strings.TrimSpace(l) != "" {
+			return l
+		}
+	}
+	return ""
+}
+
+func keysOf(m map[string]any) []string {
+	out := make([]string, 0, len(m))
+	for k := range m {
+		out = append(out, k)
+	}
+	return out
+}

backend/pkg/logger/redact.go

@@ -0,0 +1,22 @@
+package logger
+
+// redactThreshold is the minimum length at which partial visibility is shown.
+// Below this, the entire value is replaced with "***" because first-4/last-4
+// would leak too much of short strings.
+const redactThreshold = 12
+
+// RedactKey returns a partially-visible form of a non-secret identifier
+// (access key ID, user ID, etc.) showing first 4 and last 4 characters.
+// Shorter values are fully redacted to avoid over-exposure.
+func RedactKey(s string) string {
+	if len(s) < redactThreshold {
+		return "***"
+	}
+	return s[:4] + "…" + s[len(s)-4:]
+}
+
+// RedactToken returns "***" for any secret (passwords, bearer tokens, JWT,
+// client secrets). Secrets must never be partially visible in logs.
+func RedactToken(s string) string {
+	return "***"
+}

backend/pkg/logger/redact_test.go

@@ -0,0 +1,32 @@
+package logger
+
+import "testing"
+
+func TestRedactKey(t *testing.T) {
+	cases := []struct {
+		name string
+		in   string
+		want string
+	}{
+		{"empty", "", "***"},
+		{"short", "abc", "***"},
+		{"just-under-threshold", "abcdefghijk", "***"},   // 11 chars
+		{"at-threshold", "abcdefghijkl", "abcd…ijkl"},     // 12 chars
+		{"long", "GK5a9bfcdefghijklzW9q", "GK5a…zW9q"},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := RedactKey(tc.in); got != tc.want {
+				t.Errorf("RedactKey(%q) = %q, want %q", tc.in, got, tc.want)
+			}
+		})
+	}
+}
+
+func TestRedactToken_AlwaysStars(t *testing.T) {
+	for _, in := range []string{"", "abc", "very-long-secret-token-value"} {
+		if got := RedactToken(in); got != "***" {
+			t.Errorf("RedactToken(%q) = %q, want ***", in, got)
+		}
+	}
+}

backend/pkg/utils/cache.go

@@ -91,5 +91,4 @@ func (c *Cache) cleanupExpired() {
 	}
 }
 
-// Global cache instance
 var GlobalCache = NewCache()

backend/pkg/utils/cache_test.go

@@ -0,0 +1,129 @@
+package utils
+
+import (
+	"fmt"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestCache_GetMissReturnsNil(t *testing.T) {
+	c := NewCache()
+	if v := c.Get("nope"); v != nil {
+		t.Errorf("expected nil for missing key, got %v", v)
+	}
+}
+
+func TestCache_SetThenGetReturnsValue(t *testing.T) {
+	c := NewCache()
+	c.Set("k", "v", time.Minute)
+	got := c.Get("k")
+	if got != "v" {
+		t.Errorf("Get(k) = %v, want v", got)
+	}
+}
+
+func TestCache_SetWithDifferentTypes(t *testing.T) {
+	c := NewCache()
+	c.Set("str", "hello", time.Minute)
+	c.Set("int", 42, time.Minute)
+	c.Set("slice", []int{1, 2, 3}, time.Minute)
+
+	if got := c.Get("str"); got != "hello" {
+		t.Errorf("str: got %v", got)
+	}
+	if got := c.Get("int"); got != 42 {
+		t.Errorf("int: got %v", got)
+	}
+	if got, ok := c.Get("slice").([]int); !ok || len(got) != 3 {
+		t.Errorf("slice: got %v", c.Get("slice"))
+	}
+}
+
+func TestCache_GetExpiredReturnsNil(t *testing.T) {
+	c := NewCache()
+	c.Set("k", "v", 10*time.Millisecond)
+	time.Sleep(25 * time.Millisecond)
+	if got := c.Get("k"); got != nil {
+		t.Errorf("expected nil after TTL, got %v", got)
+	}
+}
+
+func TestCache_DeleteRemovesItem(t *testing.T) {
+	c := NewCache()
+	c.Set("k", "v", time.Minute)
+	c.Delete("k")
+	if got := c.Get("k"); got != nil {
+		t.Errorf("expected nil after Delete, got %v", got)
+	}
+}
+
+func TestCache_DeleteMissingKeyIsNoOp(t *testing.T) {
+	c := NewCache()
+	// Should not panic or error.
+	c.Delete("never-set")
+}
+
+func TestCache_ClearRemovesAllItems(t *testing.T) {
+	c := NewCache()
+	c.Set("a", 1, time.Minute)
+	c.Set("b", 2, time.Minute)
+	c.Set("c", 3, time.Minute)
+
+	c.Clear()
+
+	if c.Get("a") != nil || c.Get("b") != nil || c.Get("c") != nil {
+		t.Errorf("expected all items cleared")
+	}
+}
+
+func TestCache_SetOverwrites(t *testing.T) {
+	c := NewCache()
+	c.Set("k", "v1", time.Minute)
+	c.Set("k", "v2", time.Minute)
+	if got := c.Get("k"); got != "v2" {
+		t.Errorf("expected v2 after overwrite, got %v", got)
+	}
+}
+
+// TestCache_ConcurrentAccess exercises the RWMutex under load. Run with
+// `go test -race` to catch data races. Uses bounded concurrency so the test
+// stays deterministic.
+func TestCache_ConcurrentAccess(t *testing.T) {
+	c := NewCache()
+	const goroutines = 50
+	const opsPerGoroutine = 100
+
+	var wg sync.WaitGroup
+	wg.Add(goroutines)
+
+	for g := range goroutines {
+		go func(id int) {
+			defer wg.Done()
+			for i := range opsPerGoroutine {
+				key := fmt.Sprintf("k%d", (id+i)%10)
+				c.Set(key, i, time.Minute)
+				_ = c.Get(key)
+				if i%10 == 0 {
+					c.Delete(key)
+				}
+			}
+		}(g)
+	}
+
+	wg.Wait()
+	// If we got here without a panic and `-race` is clean, the RWMutex is
+	// protecting the map correctly.
+}
+
+// TestGlobalCache_IsUsable is a smoke test for the package-level var.
+// It doesn't Clear() afterwards because the global is shared state that
+// other packages may depend on at test time.
+func TestGlobalCache_IsUsable(t *testing.T) {
+	key := "stage2-smoke-key"
+	GlobalCache.Set(key, "x", time.Minute)
+	t.Cleanup(func() { GlobalCache.Delete(key) })
+	if got := GlobalCache.Get(key); got != "x" {
+		t.Errorf("GlobalCache.Get = %v, want x", got)
+	}
+}

backend/pkg/utils/retry.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"net"
+	"strings"
 	"syscall"
 	"time"
 )
@@ -50,6 +51,15 @@ func IsConnectionRefused(err error) bool {
 		return true
 	}
 
+	// Some HTTP clients (e.g. azuretls) collapse the syscall error into a
+	// plain string before returning. Fall back to substring matching so the
+	// retry path still triggers for those wrappers. "connectex" is the
+	// Windows variant emitted by the Go runtime.
+	msg := err.Error()
+	if strings.Contains(msg, "connection refused") || strings.Contains(msg, "actively refused") {
+		return true
+	}
+
 	return false
 }
 

backend/pkg/utils/retry_test.go

@@ -0,0 +1,284 @@
+package utils
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net"
+	"strings"
+	"syscall"
+	"testing"
+	"time"
+)
+
+func TestIsConnectionRefused(t *testing.T) {
+	tests := []struct {
+		name string
+		err  error
+		want bool
+	}{
+		{
+			name: "nil error returns false",
+			err:  nil,
+			want: false,
+		},
+		{
+			name: "unrelated error returns false",
+			err:  errors.New("something else went wrong"),
+			want: false,
+		},
+		{
+			name: "bare ECONNREFUSED returns true (fallback errors.Is branch)",
+			err:  syscall.ECONNREFUSED,
+			want: true,
+		},
+		{
+			name: "wrapped ECONNREFUSED returns true (fallback errors.Is branch)",
+			err:  fmt.Errorf("context: %w", syscall.ECONNREFUSED),
+			want: true,
+		},
+		{
+			name: "OpError dial+ECONNREFUSED returns true (primary branch)",
+			err: &net.OpError{
+				Op:  "dial",
+				Net: "tcp",
+				Err: syscall.ECONNREFUSED,
+			},
+			want: true,
+		},
+		{
+			name: "OpError read+ECONNREFUSED returns true (primary branch)",
+			err: &net.OpError{
+				Op:  "read",
+				Net: "tcp",
+				Err: syscall.ECONNREFUSED,
+			},
+			want: true,
+		},
+		{
+			name: "OpError dial+ETIMEDOUT returns false (primary branch, wrong errno)",
+			err: &net.OpError{
+				Op:  "dial",
+				Net: "tcp",
+				Err: syscall.ETIMEDOUT,
+			},
+			want: false,
+		},
+		{
+			name: "OpError dial+plain error falls through to errors.Is and returns false (inner As miss)",
+			err: &net.OpError{
+				Op:  "dial",
+				Net: "tcp",
+				Err: errors.New("not a syscall errno"),
+			},
+			want: false,
+		},
+		{
+			name: "OpError write+ECONNREFUSED returns true via fallback errors.Is",
+			err: &net.OpError{
+				Op:  "write",
+				Net: "tcp",
+				Err: syscall.ECONNREFUSED,
+			},
+			want: true,
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := IsConnectionRefused(tc.err); got != tc.want {
+				t.Errorf("IsConnectionRefused(%v) = %v, want %v", tc.err, got, tc.want)
+			}
+		})
+	}
+}
+
+// fastRetryConfig keeps test runtime in the low-millisecond range.
+func fastRetryConfig() RetryConfig {
+	return RetryConfig{
+		MaxRetries:     3,
+		InitialBackoff: 1 * time.Millisecond,
+		MaxBackoff:     5 * time.Millisecond,
+		BackoffFactor:  2.0,
+	}
+}
+
+func TestRetryWithBackoff_SuccessOnFirstAttempt(t *testing.T) {
+	calls := 0
+	err := RetryWithBackoff(context.Background(), fastRetryConfig(), func() error {
+		calls++
+		return nil
+	})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if calls != 1 {
+		t.Errorf("want 1 call, got %d", calls)
+	}
+}
+
+func TestRetryWithBackoff_NonRetryableErrorReturnedImmediately(t *testing.T) {
+	sentinel := errors.New("boom")
+	calls := 0
+	err := RetryWithBackoff(context.Background(), fastRetryConfig(), func() error {
+		calls++
+		return sentinel
+	})
+	if !errors.Is(err, sentinel) {
+		t.Errorf("want wrapped sentinel, got %v", err)
+	}
+	if calls != 1 {
+		t.Errorf("want 1 call (no retry on non-conn-refused), got %d", calls)
+	}
+}
+
+func TestRetryWithBackoff_SuccessAfterTransientRefusals(t *testing.T) {
+	cfg := fastRetryConfig()
+	cfg.MaxRetries = 5 // allow up to 6 attempts
+	calls := 0
+	err := RetryWithBackoff(context.Background(), cfg, func() error {
+		calls++
+		if calls < 3 {
+			return syscall.ECONNREFUSED
+		}
+		return nil
+	})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if calls != 3 {
+		t.Errorf("want 3 calls (2 failures + 1 success), got %d", calls)
+	}
+}
+
+func TestRetryWithBackoff_MaxRetriesExceededReturnsWrappedError(t *testing.T) {
+	cfg := fastRetryConfig()
+	cfg.MaxRetries = 2 // 3 total attempts (attempt 0, 1, 2)
+	calls := 0
+	err := RetryWithBackoff(context.Background(), cfg, func() error {
+		calls++
+		return syscall.ECONNREFUSED
+	})
+	if err == nil {
+		t.Fatal("expected error after exhausting retries, got nil")
+	}
+	if !errors.Is(err, syscall.ECONNREFUSED) {
+		t.Errorf("expected wrapped ECONNREFUSED, got %v", err)
+	}
+	// The loop runs attempt = 0..MaxRetries inclusive.
+	if calls != cfg.MaxRetries+1 {
+		t.Errorf("want %d calls, got %d", cfg.MaxRetries+1, calls)
+	}
+	// Error message includes the retry count for operator diagnostics.
+	if !containsAll(err.Error(), "max retries", "2") {
+		t.Errorf("error message missing retry count: %q", err.Error())
+	}
+}
+
+func TestRetryWithBackoff_ZeroMaxRetriesReturnsImmediately(t *testing.T) {
+	cfg := RetryConfig{
+		MaxRetries:     0,
+		InitialBackoff: 1 * time.Second, // large on purpose; must not sleep
+		MaxBackoff:     5 * time.Second,
+		BackoffFactor:  2.0,
+	}
+	calls := 0
+	start := time.Now()
+	err := RetryWithBackoff(context.Background(), cfg, func() error {
+		calls++
+		return syscall.ECONNREFUSED
+	})
+	elapsed := time.Since(start)
+
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !errors.Is(err, syscall.ECONNREFUSED) {
+		t.Errorf("expected wrapped ECONNREFUSED, got %v", err)
+	}
+	if calls != 1 {
+		t.Errorf("want 1 call (no retry budget), got %d", calls)
+	}
+	// The only sleep would be after the attempt, but attempt == MaxRetries is
+	// short-circuited before the sleep select. So total runtime must be well
+	// under InitialBackoff.
+	if elapsed >= 500*time.Millisecond {
+		t.Errorf("no-retry path should not have slept; elapsed %v", elapsed)
+	}
+}
+
+func TestRetryWithBackoff_ContextCancelledDuringBackoff(t *testing.T) {
+	// Use a slow backoff so cancellation is guaranteed to land during the sleep.
+	cfg := RetryConfig{
+		MaxRetries:     5,
+		InitialBackoff: 50 * time.Millisecond,
+		MaxBackoff:     1 * time.Second,
+		BackoffFactor:  2.0,
+	}
+	ctx, cancel := context.WithCancel(context.Background())
+	// Cancel shortly after the first failed attempt starts its backoff.
+	go func() {
+		time.Sleep(10 * time.Millisecond)
+		cancel()
+	}()
+	calls := 0
+	err := RetryWithBackoff(ctx, cfg, func() error {
+		calls++
+		return syscall.ECONNREFUSED
+	})
+	if err == nil {
+		t.Fatal("expected error from cancelled context, got nil")
+	}
+	if !errors.Is(err, context.Canceled) {
+		t.Errorf("expected wrapped context.Canceled, got %v", err)
+	}
+	if calls < 1 {
+		t.Errorf("expected at least 1 call before cancellation, got %d", calls)
+	}
+}
+
+func TestRetryWithBackoff_WaitsBetweenAttempts(t *testing.T) {
+	// Lower-bound timing check — with InitialBackoff=20ms and BackoffFactor=2,
+	// three failed attempts sleep ~20ms + ~40ms = ~60ms before giving up.
+	// Assert >= 50ms to absorb scheduler jitter.
+	cfg := RetryConfig{
+		MaxRetries:     2,
+		InitialBackoff: 20 * time.Millisecond,
+		MaxBackoff:     100 * time.Millisecond,
+		BackoffFactor:  2.0,
+	}
+	start := time.Now()
+	_ = RetryWithBackoff(context.Background(), cfg, func() error {
+		return syscall.ECONNREFUSED
+	})
+	elapsed := time.Since(start)
+	if elapsed < 50*time.Millisecond {
+		t.Errorf("expected at least ~60ms of backoff delay, got %v", elapsed)
+	}
+}
+
+// containsAll reports whether s contains every substring in subs.
+func containsAll(s string, subs ...string) bool {
+	for _, sub := range subs {
+		if !strings.Contains(s, sub) {
+			return false
+		}
+	}
+	return true
+}
+
+func TestDefaultRetryConfig(t *testing.T) {
+	c := DefaultRetryConfig()
+	if c.MaxRetries <= 0 {
+		t.Errorf("MaxRetries = %d, want >0", c.MaxRetries)
+	}
+	if c.InitialBackoff <= 0 {
+		t.Errorf("InitialBackoff = %v, want >0", c.InitialBackoff)
+	}
+	if c.MaxBackoff < c.InitialBackoff {
+		t.Errorf("MaxBackoff (%v) should be >= InitialBackoff (%v)", c.MaxBackoff, c.InitialBackoff)
+	}
+	if c.BackoffFactor < 1.0 {
+		t.Errorf("BackoffFactor = %v, want >=1.0", c.BackoffFactor)
+	}
+}

backend/tests/smoke/docker-compose.test.yml

@@ -0,0 +1,39 @@
+---
+services:
+  garage:
+    image: dxflrs/garage:v2.1.0
+    volumes:
+      - ./garage.toml:/etc/garage.toml:ro
+    tmpfs:
+      - /var/lib/garage/meta
+      - /var/lib/garage/data
+    healthcheck:
+      test: ["CMD", "/garage", "status"]
+      interval: 2s
+      timeout: 2s
+      retries: 30
+      start_period: 2s
+
+  backend:
+    build:
+      context: ../../..
+      dockerfile: Dockerfile
+    environment:
+      GARAGE_UI_SERVER_HOST: "0.0.0.0"
+      GARAGE_UI_SERVER_PORT: "8080"
+      GARAGE_UI_SERVER_ENVIRONMENT: "development"
+      GARAGE_UI_GARAGE_ENDPOINT: "garage:3900"
+      GARAGE_UI_GARAGE_REGION: "garage"
+      GARAGE_UI_GARAGE_ADMIN_ENDPOINT: "http://garage:3903"
+      GARAGE_UI_GARAGE_ADMIN_TOKEN: "smoke-admin-token-do-not-use-in-prod"
+      GARAGE_UI_AUTH_ADMIN_ENABLED: "true"
+      GARAGE_UI_AUTH_ADMIN_USERNAME: "smokeadmin"
+      GARAGE_UI_AUTH_ADMIN_PASSWORD: "smokepass"
+      GARAGE_UI_CORS_ENABLED: "false"
+      GARAGE_UI_LOGGING_LEVEL: "info"
+      GARAGE_UI_LOGGING_FORMAT: "json"
+    ports:
+      - "127.0.0.1:18080:8080"
+    depends_on:
+      garage:
+        condition: service_healthy

backend/tests/smoke/garage.toml

@@ -0,0 +1,23 @@
+metadata_dir = "/var/lib/garage/meta"
+data_dir = "/var/lib/garage/data"
+db_engine = "lmdb"
+
+replication_factor = 1
+
+rpc_bind_addr = "[::]:3901"
+rpc_public_addr = "127.0.0.1:3901"
+rpc_secret = "0000000000000000000000000000000000000000000000000000000000000000"
+
+[s3_api]
+s3_region = "garage"
+api_bind_addr = "[::]:3900"
+root_domain = ".s3.garage"
+
+[s3_web]
+bind_addr = "[::]:3902"
+root_domain = ".web.garage"
+index = "index.html"
+
+[admin]
+api_bind_addr = "[::]:3903"
+admin_token = "smoke-admin-token-do-not-use-in-prod"

backend/tests/smoke/smoke_test.go

@@ -0,0 +1,388 @@
+//go:build smoke
+
+package smoke_test
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"testing"
+	"time"
+)
+
+const (
+	composeProject = "garage-ui-smoke"
+	backendBaseURL = "http://127.0.0.1:18080"
+	adminToken     = "smoke-admin-token-do-not-use-in-prod"
+	adminUsername  = "smokeadmin"
+	adminPassword  = "smokepass"
+	readyTimeout   = 90 * time.Second
+	readyPollEvery = 1 * time.Second
+)
+
+func composeFile(t testing.TB) string {
+	t.Helper()
+	_, thisFile, _, ok := runtime.Caller(0)
+	if !ok {
+		t.Fatal("runtime.Caller failed")
+	}
+	return filepath.Join(filepath.Dir(thisFile), "docker-compose.test.yml")
+}
+
+func runCompose(t testing.TB, args ...string) string {
+	t.Helper()
+	full := append([]string{"compose", "-p", composeProject, "-f", composeFile(t)}, args...)
+	cmd := exec.Command("docker", full...)
+	var out bytes.Buffer
+	cmd.Stdout = &out
+	cmd.Stderr = &out
+	if err := cmd.Run(); err != nil {
+		t.Fatalf("docker %s failed: %v\n%s", strings.Join(full, " "), err, out.String())
+	}
+	return out.String()
+}
+
+func composeExec(service string, argv ...string) (string, error) {
+	full := append([]string{"compose", "-p", composeProject, "-f", mustComposeFile(), "exec", "-T", service}, argv...)
+	cmd := exec.Command("docker", full...)
+	var stdout, stderr bytes.Buffer
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stderr
+	if err := cmd.Run(); err != nil {
+		return "", fmt.Errorf("docker %s: %w\nstderr:\n%s", strings.Join(full, " "), err, stderr.String())
+	}
+	return stdout.String(), nil
+}
+
+func mustComposeFile() string {
+	_, thisFile, _, ok := runtime.Caller(0)
+	if !ok {
+		panic("runtime.Caller failed")
+	}
+	return filepath.Join(filepath.Dir(thisFile), "docker-compose.test.yml")
+}
+
+func waitForHTTP(ctx context.Context, url string, timeout time.Duration) error {
+	deadline := time.Now().Add(timeout)
+	for time.Now().Before(deadline) {
+		req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
+		if err != nil {
+			return err
+		}
+		resp, err := http.DefaultClient.Do(req)
+		if err == nil {
+			_ = resp.Body.Close()
+			if resp.StatusCode >= 200 && resp.StatusCode < 300 {
+				return nil
+			}
+		}
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case <-time.After(readyPollEvery):
+		}
+	}
+	return fmt.Errorf("timeout waiting for %s", url)
+}
+
+func initGarageLayout() error {
+	nodeOut, err := composeExec("garage", "/garage", "node", "id", "-q")
+	if err != nil {
+		return fmt.Errorf("garage node id: %w", err)
+	}
+	nodeID := strings.TrimSpace(nodeOut)
+	if i := strings.Index(nodeID, "@"); i > 0 {
+		nodeID = nodeID[:i]
+	}
+	if nodeID == "" {
+		return fmt.Errorf("empty node id from garage node id")
+	}
+
+	if _, err := composeExec("garage", "/garage", "layout", "assign", "-z", "dc1", "-c", "1G", nodeID); err != nil {
+		return fmt.Errorf("garage layout assign: %w", err)
+	}
+	if _, err := composeExec("garage", "/garage", "layout", "apply", "--version", "1"); err != nil {
+		return fmt.Errorf("garage layout apply: %w", err)
+	}
+	return nil
+}
+
+func TestMain(m *testing.M) {
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
+	defer cancel()
+
+	fmt.Fprintln(os.Stderr, "[smoke] bringing up garage (waiting for healthcheck)...")
+	runComposeNoT("up", "-d", "--wait", "garage")
+
+	cleanup := func() {
+		fmt.Fprintln(os.Stderr, "[smoke] tearing down compose...")
+		_ = exec.Command("docker", "compose", "-p", composeProject, "-f", mustComposeFile(), "logs").Run()
+		_ = exec.Command("docker", "compose", "-p", composeProject, "-f", mustComposeFile(), "down", "-v").Run()
+	}
+
+	fmt.Fprintln(os.Stderr, "[smoke] initializing garage cluster layout...")
+	if err := initGarageLayout(); err != nil {
+		fmt.Fprintf(os.Stderr, "[smoke] layout init failed: %v\n", err)
+		cleanup()
+		os.Exit(1)
+	}
+
+	fmt.Fprintln(os.Stderr, "[smoke] starting backend...")
+	runComposeNoT("up", "-d", "backend")
+
+	if err := waitForHTTP(ctx, backendBaseURL+"/health", readyTimeout); err != nil {
+		fmt.Fprintf(os.Stderr, "[smoke] backend not ready: %v\n", err)
+		cleanup()
+		os.Exit(1)
+	}
+
+	code := m.Run()
+
+	if code != 0 {
+		fmt.Fprintln(os.Stderr, "[smoke] tests failed — dumping compose logs")
+		logCmd := exec.Command("docker", "compose", "-p", composeProject, "-f", mustComposeFile(), "logs", "--no-color")
+		logCmd.Stdout = os.Stderr
+		logCmd.Stderr = os.Stderr
+		_ = logCmd.Run()
+	}
+
+	_ = exec.Command("docker", "compose", "-p", composeProject, "-f", mustComposeFile(), "down", "-v").Run()
+	os.Exit(code)
+}
+
+func runComposeNoT(args ...string) {
+	full := append([]string{"compose", "-p", composeProject, "-f", mustComposeFile()}, args...)
+	cmd := exec.Command("docker", full...)
+	cmd.Stdout = os.Stderr
+	cmd.Stderr = os.Stderr
+	if err := cmd.Run(); err != nil {
+		fmt.Fprintf(os.Stderr, "[smoke] docker %s failed: %v\n", strings.Join(full, " "), err)
+		os.Exit(1)
+	}
+}
+
+type testState struct {
+	client      *http.Client
+	token       string
+	bucketName  string
+	objectKey   string
+	sourceBody  []byte
+	accessKeyID string
+}
+
+func (s *testState) do(t *testing.T, method, path string, body io.Reader, contentType string) *http.Response {
+	t.Helper()
+	req, err := http.NewRequest(method, backendBaseURL+path, body)
+	if err != nil {
+		t.Fatalf("build request: %v", err)
+	}
+	if s.token != "" {
+		req.Header.Set("Authorization", "Bearer "+s.token)
+	}
+	if contentType != "" {
+		req.Header.Set("Content-Type", contentType)
+	}
+	resp, err := s.client.Do(req)
+	if err != nil {
+		t.Fatalf("%s %s: %v", method, path, err)
+	}
+	return resp
+}
+
+func readBody(t *testing.T, resp *http.Response) []byte {
+	t.Helper()
+	defer resp.Body.Close()
+	b, err := io.ReadAll(resp.Body)
+	if err != nil {
+		t.Fatalf("read body: %v", err)
+	}
+	return b
+}
+
+func TestSmokeGoldenPath(t *testing.T) {
+	sourcePath := filepath.Join(filepath.Dir(mustComposeFile()), "testdata", "small.bin")
+	source, err := os.ReadFile(sourcePath)
+	if err != nil {
+		t.Fatalf("read fixture: %v", err)
+	}
+
+	state := &testState{
+		client:     &http.Client{Timeout: 30 * time.Second},
+		bucketName: fmt.Sprintf("smoke-%d", time.Now().UnixNano()),
+		objectKey:  "small.bin",
+		sourceBody: source,
+	}
+
+	t.Run("AdminLogin", func(t *testing.T) {
+		payload := fmt.Sprintf(`{"username":%q,"password":%q}`, adminUsername, adminPassword)
+		resp := state.do(t, "POST", "/auth/login", strings.NewReader(payload), "application/json")
+		body := readBody(t, resp)
+		if resp.StatusCode != 200 {
+			t.Fatalf("login status = %d, body = %s", resp.StatusCode, body)
+		}
+		var parsed struct {
+			Success bool   `json:"success"`
+			Token   string `json:"token"`
+		}
+		if err := json.Unmarshal(body, &parsed); err != nil {
+			t.Fatalf("parse login body: %v, body=%s", err, body)
+		}
+		if !parsed.Success || parsed.Token == "" {
+			t.Fatalf("login did not return token: %s", body)
+		}
+		state.token = parsed.Token
+	})
+
+	t.Run("CreateBucket", func(t *testing.T) {
+		if state.token == "" {
+			t.Skip("login did not succeed")
+		}
+		payload := fmt.Sprintf(`{"name":%q}`, state.bucketName)
+		resp := state.do(t, "POST", "/api/v1/buckets", strings.NewReader(payload), "application/json")
+		body := readBody(t, resp)
+		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+			t.Fatalf("create bucket status = %d, body = %s", resp.StatusCode, body)
+		}
+	})
+
+	t.Run("CreateKey", func(t *testing.T) {
+		if state.token == "" {
+			t.Skip("login did not succeed")
+		}
+		payload := `{"name":"smoke-key"}`
+		resp := state.do(t, "POST", "/api/v1/users", strings.NewReader(payload), "application/json")
+		body := readBody(t, resp)
+		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+			t.Fatalf("create key status = %d, body = %s", resp.StatusCode, body)
+		}
+		var parsed struct {
+			Data struct {
+				AccessKeyID string `json:"accessKeyId"`
+			} `json:"data"`
+		}
+		if err := json.Unmarshal(body, &parsed); err != nil {
+			t.Fatalf("parse key body: %v, body=%s", err, body)
+		}
+		if parsed.Data.AccessKeyID == "" {
+			t.Fatalf("empty accessKeyId: %s", body)
+		}
+		state.accessKeyID = parsed.Data.AccessKeyID
+	})
+
+	t.Run("GrantPermission", func(t *testing.T) {
+		if state.accessKeyID == "" {
+			t.Skip("key creation did not succeed")
+		}
+		payload := fmt.Sprintf(
+			`{"accessKeyId":%q,"permissions":{"read":true,"write":true,"owner":false}}`,
+			state.accessKeyID,
+		)
+		path := fmt.Sprintf("/api/v1/buckets/%s/permissions", state.bucketName)
+		resp := state.do(t, "POST", path, strings.NewReader(payload), "application/json")
+		body := readBody(t, resp)
+		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+			t.Fatalf("grant permission status = %d, body = %s", resp.StatusCode, body)
+		}
+	})
+
+	t.Run("UploadObject", func(t *testing.T) {
+		if state.token == "" {
+			t.Skip("login did not succeed")
+		}
+		var buf bytes.Buffer
+		mw := multipart.NewWriter(&buf)
+		fw, err := mw.CreateFormFile("file", filepath.Base(state.objectKey))
+		if err != nil {
+			t.Fatalf("create form file: %v", err)
+		}
+		if _, err := fw.Write(state.sourceBody); err != nil {
+			t.Fatalf("write form file: %v", err)
+		}
+		if err := mw.WriteField("key", state.objectKey); err != nil {
+			t.Fatalf("write key field: %v", err)
+		}
+		if err := mw.Close(); err != nil {
+			t.Fatalf("close multipart: %v", err)
+		}
+		path := fmt.Sprintf("/api/v1/buckets/%s/objects/", state.bucketName)
+		resp := state.do(t, "POST", path, &buf, mw.FormDataContentType())
+		body := readBody(t, resp)
+		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+			t.Fatalf("upload status = %d, body = %s", resp.StatusCode, body)
+		}
+	})
+
+	t.Run("ListObjects", func(t *testing.T) {
+		if state.token == "" {
+			t.Skip("login did not succeed")
+		}
+		path := fmt.Sprintf("/api/v1/buckets/%s/objects/", state.bucketName)
+		resp := state.do(t, "GET", path, nil, "")
+		body := readBody(t, resp)
+		if resp.StatusCode != 200 {
+			t.Fatalf("list status = %d, body = %s", resp.StatusCode, body)
+		}
+		if !bytes.Contains(body, []byte(state.objectKey)) {
+			t.Fatalf("uploaded key %q not found in list: %s", state.objectKey, body)
+		}
+	})
+
+	t.Run("DownloadObject", func(t *testing.T) {
+		if state.token == "" {
+			t.Skip("login did not succeed")
+		}
+		path := fmt.Sprintf("/api/v1/buckets/%s/objects/%s", state.bucketName, state.objectKey)
+		resp := state.do(t, "GET", path, nil, "")
+		body := readBody(t, resp)
+		if resp.StatusCode != 200 {
+			t.Fatalf("download status = %d, body = %s", resp.StatusCode, body)
+		}
+		if !bytes.Equal(body, state.sourceBody) {
+			t.Fatalf("downloaded bytes differ: got %d bytes, want %d bytes", len(body), len(state.sourceBody))
+		}
+	})
+
+	t.Run("DeleteObject", func(t *testing.T) {
+		if state.token == "" {
+			t.Skip("login did not succeed")
+		}
+		path := fmt.Sprintf("/api/v1/buckets/%s/objects/%s", state.bucketName, state.objectKey)
+		resp := state.do(t, "DELETE", path, nil, "")
+		body := readBody(t, resp)
+		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+			t.Fatalf("delete object status = %d, body = %s", resp.StatusCode, body)
+		}
+	})
+
+	t.Run("DeleteBucket", func(t *testing.T) {
+		if state.token == "" {
+			t.Skip("login did not succeed")
+		}
+		path := fmt.Sprintf("/api/v1/buckets/%s", state.bucketName)
+		resp := state.do(t, "DELETE", path, nil, "")
+		body := readBody(t, resp)
+		if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+			t.Fatalf("delete bucket status = %d, body = %s", resp.StatusCode, body)
+		}
+	})
+
+	t.Run("ListKeys", func(t *testing.T) {
+		if state.token == "" {
+			t.Skip("login did not succeed")
+		}
+		resp := state.do(t, "GET", "/api/v1/users", nil, "")
+		body := readBody(t, resp)
+		if resp.StatusCode != 200 {
+			t.Fatalf("list users status = %d, body = %s", resp.StatusCode, body)
+		}
+	})
+}

codecov.yml

@@ -0,0 +1,17 @@
+coverage:
+  status:
+    project:
+      default:
+        target: 85%
+        threshold: 1%
+    patch:
+      default:
+        target: 80%
+
+ignore:
+  - "backend/main.go"
+  - "backend/docs/"
+  - "backend/internal/services/mocks/"
+  - "backend/**/*_mock.go"
+  - "backend/internal/services/s3.go"
+  - "frontend/"

config.example.yaml

@@ -2,7 +2,7 @@
 
 # Server configuration
 server:
-  host: "0.0.0.0"
+  host: "::" # IPv6 wildcard; dual-stack behavior depends on OS/runtime socket settings
   port: 8080
   environment: "development" # development, production
   domain: "localhost" # Domain name for the application
@@ -40,6 +40,12 @@ auth:
     username: "admin"
     password: "changeme"
 
+  # Admin Token Authentication
+  # When enabled, users can log in using the Garage admin token
+  # Auto-enabled when no other auth method is configured (zero-config fallback)
+  token:
+    enabled: false # Set to true to explicitly enable, or leave all auth disabled for auto-enable
+
   # OIDC Configuration
   # NOTE: When OIDC is enabled, server.root_url is required for OAuth2 redirects
   # The redirect URL will be automatically constructed as: {root_url}/auth/oidc/callback
@@ -57,9 +63,6 @@ auth:
 
     # OIDC Provider URLs
     issuer_url: "https://keycloak.example.com/realms/master"
-    auth_url: "https://keycloak.example.com/realms/master/protocol/openid-connect/auth"
-    token_url: "https://keycloak.example.com/realms/master/protocol/openid-connect/token"
-    userinfo_url: "https://keycloak.example.com/realms/master/protocol/openid-connect/userinfo"
 
     # Token validation
     skip_issuer_check: false
@@ -72,7 +75,14 @@ auth:
 
     # Role-based access (optional)
     role_attribute_path: "resource_access.garage-ui.roles"
+    # Single admin role (backward-compatible).
     admin_role: "admin"
+    # Multiple admin roles: a user is granted admin if ANY of their roles
+    # matches ANY entry below. Values from admin_role and admin_roles are
+    # merged, so you can set either, both, or only admin_roles.
+    # admin_roles:
+    #   - "garage-admins"
+    #   - "platform-team"
 
     # TLS configuration
     tls_skip_verify: false # Only set to true for testing, not recommended for production
@@ -103,7 +113,8 @@ cors:
   allow_credentials: false
   max_age: 3600
 
-# Logging
+# Logging Configuration
+# The application uses zerolog for structured logging
 logging:
-  level: "info" # debug, info, warn, error
-  format: "json" # json, text
+  level: "info" # Options: debug, info, warn, error
+  format: "text" or "json"

docker-compose.yml

@@ -41,7 +41,3 @@ services:
         -----BEGIN PRIVATE KEY-----
         MC4CAQAwBQYDK2VwBCIEIH0ZHqIV7MEyVsxNYc5TA/a0qaBxgq3ntlFS3w1F03MS
         -----END PRIVATE KEY-----
-
-      # Logging
-      GARAGE_UI_LOGGING_LEVEL: "info"
-      GARAGE_UI_LOGGING_FORMAT: "json"

docs/garage-setup.md

@@ -0,0 +1,59 @@
+# Setting Up a Garage Cluster
+
+This guide walks you through setting up a local Garage cluster using Docker Compose for use with Garage UI.
+
+If you already have a running Garage cluster, skip this and go straight to the [Quick Start](../README.md#quick-start).
+
+## Prerequisites
+
+- Docker & Docker Compose
+
+## 1. Start Garage
+
+From the garage-ui repository root:
+
+```bash
+docker compose up -d garage
+sleep 10
+```
+
+## 2. Initialize the Cluster Layout
+
+```bash
+# Assign the node to a zone with 1GB capacity
+docker compose exec garage garage layout assign -z dc1 -c 1G $(docker compose exec garage garage node id -q)
+
+# Apply the layout
+docker compose exec garage garage layout apply --version 1
+```
+
+## 3. Create an Admin Key
+
+```bash
+docker compose exec garage garage key create admin-key
+```
+
+Save the **access key** and **secret key** from the output — you'll need them for configuration.
+
+## 4. Configure Garage UI
+
+Copy the example config and fill in your Garage endpoints and admin token:
+
+```bash
+cp config.example.yaml config.yaml
+```
+
+The `admin_token` can be found in your `garage.toml` file. See [Garage Configuration](../README.md#garage-configuration) for the required `garage.toml` settings.
+
+## 5. Start Garage UI
+
+```bash
+docker compose up -d garage-ui
+```
+
+Access Garage UI at http://localhost:8080
+
+## Next Steps
+
+- [Configuration reference](../config.example.yaml) for all available options
+- [Garage official documentation](https://garagehq.deuxfleurs.fr/documentation/) for advanced Garage setup

frontend/package-lock.json

@@ -12,7 +12,7 @@
         "@radix-ui/react-tooltip": "^1.2.8",
         "@tanstack/react-query": "^5.90.10",
         "@tanstack/react-table": "^8.21.3",
-        "axios": "^1.13.2",
+        "axios": "^1.16.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
         "date-fns": "^4.1.0",
@@ -21,7 +21,7 @@
         "react-dom": "^19.2.0",
         "react-dropzone": "^14.3.8",
         "react-hook-form": "^7.66.1",
-        "react-router-dom": "^7.9.6",
+        "react-router-dom": "^7.14.1",
         "recharts": "^3.5.0",
         "sonner": "^2.0.7",
         "tailwind-merge": "^3.4.0",
@@ -40,11 +40,11 @@
         "eslint-plugin-react-hooks": "^7.0.1",
         "eslint-plugin-react-refresh": "^0.4.24",
         "globals": "^16.5.0",
-        "postcss": "^8.5.6",
+        "postcss": "^8.5.12",
         "tailwindcss": "^4.1.17",
         "typescript": "~5.9.3",
         "typescript-eslint": "^8.46.4",
-        "vite": "^7.2.4"
+        "vite": "^7.3.2"
       }
     },
     "node_modules/@alloc/quick-lru": {
@@ -91,7 +91,6 @@
       "integrity": "sha512-e7jT4DxYvIDLk1ZHmU/m/mB19rex9sv0c2ftBtjSBv+kVM/902eh0fINUzD7UwLLNR+jU585GxUJ8/EBfAM5fw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -1547,9 +1546,9 @@
       "license": "MIT"
     },
     "node_modules/@rollup/rollup-android-arm-eabi": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.54.0.tgz",
-      "integrity": "sha512-OywsdRHrFvCdvsewAInDKCNyR3laPA2mc9bRYJ6LBp5IyvF3fvXbbNR0bSzHlZVFtn6E0xw2oZlyjg4rKCVcng==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.60.2.tgz",
+      "integrity": "sha512-dnlp69efPPg6Uaw2dVqzWRfAWRnYVb1XJ8CyyhIbZeaq4CA5/mLeZ1IEt9QqQxmbdvagjLIm2ZL8BxXv5lH4Yw==",
       "cpu": [
         "arm"
       ],
@@ -1561,9 +1560,9 @@
       ]
     },
     "node_modules/@rollup/rollup-android-arm64": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.54.0.tgz",
-      "integrity": "sha512-Skx39Uv+u7H224Af+bDgNinitlmHyQX1K/atIA32JP3JQw6hVODX5tkbi2zof/E69M1qH2UoN3Xdxgs90mmNYw==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm64/-/rollup-android-arm64-4.60.2.tgz",
+      "integrity": "sha512-OqZTwDRDchGRHHm/hwLOL7uVPB9aUvI0am/eQuWMNyFHf5PSEQmyEeYYheA0EPPKUO/l0uigCp+iaTjoLjVoHg==",
       "cpu": [
         "arm64"
       ],
@@ -1575,9 +1574,9 @@
       ]
     },
     "node_modules/@rollup/rollup-darwin-arm64": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.54.0.tgz",
-      "integrity": "sha512-k43D4qta/+6Fq+nCDhhv9yP2HdeKeP56QrUUTW7E6PhZP1US6NDqpJj4MY0jBHlJivVJD5P8NxrjuobZBJTCRw==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.60.2.tgz",
+      "integrity": "sha512-UwRE7CGpvSVEQS8gUMBe1uADWjNnVgP3Iusyda1nSRwNDCsRjnGc7w6El6WLQsXmZTbLZx9cecegumcitNfpmA==",
       "cpu": [
         "arm64"
       ],
@@ -1589,9 +1588,9 @@
       ]
     },
     "node_modules/@rollup/rollup-darwin-x64": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.54.0.tgz",
-      "integrity": "sha512-cOo7biqwkpawslEfox5Vs8/qj83M/aZCSSNIWpVzfU2CYHa2G3P1UN5WF01RdTHSgCkri7XOlTdtk17BezlV3A==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-darwin-x64/-/rollup-darwin-x64-4.60.2.tgz",
+      "integrity": "sha512-gjEtURKLCC5VXm1I+2i1u9OhxFsKAQJKTVB8WvDAHF+oZlq0GTVFOlTlO1q3AlCTE/DF32c16ESvfgqR7343/g==",
       "cpu": [
         "x64"
       ],
@@ -1603,9 +1602,9 @@
       ]
     },
     "node_modules/@rollup/rollup-freebsd-arm64": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-arm64/-/rollup-freebsd-arm64-4.54.0.tgz",
-      "integrity": "sha512-miSvuFkmvFbgJ1BevMa4CPCFt5MPGw094knM64W9I0giUIMMmRYcGW/JWZDriaw/k1kOBtsWh1z6nIFV1vPNtA==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-arm64/-/rollup-freebsd-arm64-4.60.2.tgz",
+      "integrity": "sha512-Bcl6CYDeAgE70cqZaMojOi/eK63h5Me97ZqAQoh77VPjMysA/4ORQBRGo3rRy45x4MzVlU9uZxs8Uwy7ZaKnBw==",
       "cpu": [
         "arm64"
       ],
@@ -1617,9 +1616,9 @@
       ]
     },
     "node_modules/@rollup/rollup-freebsd-x64": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-x64/-/rollup-freebsd-x64-4.54.0.tgz",
-      "integrity": "sha512-KGXIs55+b/ZfZsq9aR026tmr/+7tq6VG6MsnrvF4H8VhwflTIuYh+LFUlIsRdQSgrgmtM3fVATzEAj4hBQlaqQ==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-freebsd-x64/-/rollup-freebsd-x64-4.60.2.tgz",
+      "integrity": "sha512-LU+TPda3mAE2QB0/Hp5VyeKJivpC6+tlOXd1VMoXV/YFMvk/MNk5iXeBfB4MQGRWyOYVJ01625vjkr0Az98OJQ==",
       "cpu": [
         "x64"
       ],
@@ -1631,9 +1630,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-arm-gnueabihf": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.54.0.tgz",
-      "integrity": "sha512-EHMUcDwhtdRGlXZsGSIuXSYwD5kOT9NVnx9sqzYiwAc91wfYOE1g1djOEDseZJKKqtHAHGwnGPQu3kytmfaXLQ==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-gnueabihf/-/rollup-linux-arm-gnueabihf-4.60.2.tgz",
+      "integrity": "sha512-2QxQrM+KQ7DAW4o22j+XZ6RKdxjLD7BOWTP0Bv0tmjdyhXSsr2Ul1oJDQqh9Zf5qOwTuTc7Ek83mOFaKnodPjg==",
       "cpu": [
         "arm"
       ],
@@ -1645,9 +1644,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-arm-musleabihf": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-musleabihf/-/rollup-linux-arm-musleabihf-4.54.0.tgz",
-      "integrity": "sha512-+pBrqEjaakN2ySv5RVrj/qLytYhPKEUwk+e3SFU5jTLHIcAtqh2rLrd/OkbNuHJpsBgxsD8ccJt5ga/SeG0JmA==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm-musleabihf/-/rollup-linux-arm-musleabihf-4.60.2.tgz",
+      "integrity": "sha512-TbziEu2DVsTEOPif2mKWkMeDMLoYjx95oESa9fkQQK7r/Orta0gnkcDpzwufEcAO2BLBsD7mZkXGFqEdMRRwfw==",
       "cpu": [
         "arm"
       ],
@@ -1659,9 +1658,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-arm64-gnu": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-gnu/-/rollup-linux-arm64-gnu-4.54.0.tgz",
-      "integrity": "sha512-NSqc7rE9wuUaRBsBp5ckQ5CVz5aIRKCwsoa6WMF7G01sX3/qHUw/z4pv+D+ahL1EIKy6Enpcnz1RY8pf7bjwng==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-gnu/-/rollup-linux-arm64-gnu-4.60.2.tgz",
+      "integrity": "sha512-bO/rVDiDUuM2YfuCUwZ1t1cP+/yqjqz+Xf2VtkdppefuOFS2OSeAfgafaHNkFn0t02hEyXngZkxtGqXcXwO8Rg==",
       "cpu": [
         "arm64"
       ],
@@ -1673,9 +1672,9 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-arm64-musl": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-musl/-/rollup-linux-arm64-musl-4.54.0.tgz",
-      "integrity": "sha512-gr5vDbg3Bakga5kbdpqx81m2n9IX8M6gIMlQQIXiLTNeQW6CucvuInJ91EuCJ/JYvc+rcLLsDFcfAD1K7fMofg==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-arm64-musl/-/rollup-linux-arm64-musl-4.60.2.tgz",
+      "integrity": "sha512-hr26p7e93Rl0Za+JwW7EAnwAvKkehh12BU1Llm9Ykiibg4uIr2rbpxG9WCf56GuvidlTG9KiiQT/TXT1yAWxTA==",
       "cpu": [
         "arm64"
       ],
@@ -1687,9 +1686,23 @@
       ]
     },
     "node_modules/@rollup/rollup-linux-loong64-gnu": {
-      "version": "4.54.0",
-      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-loong64-gnu/-/rollup-linux-loong64-gnu-4.54.0.tgz",
-      "integrity": "sha512-gsrtB1NA3ZYj2vq0Rzkylo9ylCtW/PhpLEivlgWe0bpgtX5+9j9EZa0wtZiCjgu6zmSeZWyI/e2YRX1URozpIw==",
+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/@rollup/rollup-linux-loong64-gnu/-/rollup-linux-loong64-gnu-4.60.2.tgz",
+      "integrity": "sha512-pOjB/uSIyDt+ow3k/RcLvUAOGpysT2phDn7TTUB3n75SlIgZzM6NKAqlErPhoFU+npgY3/n+2HYIQVbF70P9/A==",
+      "cpu": [
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@@ -4589,7 +4682,6 @@
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@@ -4634,10 +4726,13 @@
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-      "license": "MIT"
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-2.1.0.tgz",
+      "integrity": "sha512-cJ+oHTW1VAEa8cJslgmUZrc+sjRKgAKl3Zyse6+PV38hZe/V6Z14TbCuXcan9F9ghlz4QrFr2c92TNF82UkYHA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      }
     },
     "node_modules/punycode": {
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@@ -4654,7 +4749,6 @@
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@@ -4664,7 +4758,6 @@
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@@ -4748,9 +4839,9 @@
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+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/react-router/-/react-router-7.14.1.tgz",
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@@ -4770,12 +4861,12 @@
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-      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.11.0.tgz",
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+      "version": "7.14.1",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.14.1.tgz",
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       "license": "MIT",
       "dependencies": {
-        "react-router": "7.11.0"
+        "react-router": "7.14.1"
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@@ -4819,8 +4910,7 @@
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-      "license": "MIT",
-      "peer": true
+      "license": "MIT"
     },
     "node_modules/redux-thunk": {
       "version": "3.1.0",
@@ -4848,9 +4938,9 @@
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+      "version": "4.60.2",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.60.2.tgz",
+      "integrity": "sha512-J9qZyW++QK/09NyN/zeO0dG/1GdGfyp9lV8ajHnRVLfo/uFsbji5mHnDgn/qYdUHyCkM2N+8VyspgZclfAh0eQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -4864,28 +4954,31 @@
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       },
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-        "@rollup/rollup-android-arm64": "4.54.0",
-        "@rollup/rollup-darwin-arm64": "4.54.0",
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-        "@rollup/rollup-freebsd-arm64": "4.54.0",
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-        "@rollup/rollup-linux-arm-musleabihf": "4.54.0",
-        "@rollup/rollup-linux-arm64-gnu": "4.54.0",
-        "@rollup/rollup-linux-arm64-musl": "4.54.0",
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-        "@rollup/rollup-win32-arm64-msvc": "4.54.0",
-        "@rollup/rollup-win32-ia32-msvc": "4.54.0",
-        "@rollup/rollup-win32-x64-gnu": "4.54.0",
-        "@rollup/rollup-win32-x64-msvc": "4.54.0",
+        "@rollup/rollup-android-arm-eabi": "4.60.2",
+        "@rollup/rollup-android-arm64": "4.60.2",
+        "@rollup/rollup-darwin-arm64": "4.60.2",
+        "@rollup/rollup-darwin-x64": "4.60.2",
+        "@rollup/rollup-freebsd-arm64": "4.60.2",
+        "@rollup/rollup-freebsd-x64": "4.60.2",
+        "@rollup/rollup-linux-arm-gnueabihf": "4.60.2",
+        "@rollup/rollup-linux-arm-musleabihf": "4.60.2",
+        "@rollup/rollup-linux-arm64-gnu": "4.60.2",
+        "@rollup/rollup-linux-arm64-musl": "4.60.2",
+        "@rollup/rollup-linux-loong64-gnu": "4.60.2",
+        "@rollup/rollup-linux-loong64-musl": "4.60.2",
+        "@rollup/rollup-linux-ppc64-gnu": "4.60.2",
+        "@rollup/rollup-linux-ppc64-musl": "4.60.2",
+        "@rollup/rollup-linux-riscv64-gnu": "4.60.2",
+        "@rollup/rollup-linux-riscv64-musl": "4.60.2",
+        "@rollup/rollup-linux-s390x-gnu": "4.60.2",
+        "@rollup/rollup-linux-x64-gnu": "4.60.2",
+        "@rollup/rollup-linux-x64-musl": "4.60.2",
+        "@rollup/rollup-openbsd-x64": "4.60.2",
+        "@rollup/rollup-openharmony-arm64": "4.60.2",
+        "@rollup/rollup-win32-arm64-msvc": "4.60.2",
+        "@rollup/rollup-win32-ia32-msvc": "4.60.2",
+        "@rollup/rollup-win32-x64-gnu": "4.60.2",
+        "@rollup/rollup-win32-x64-msvc": "4.60.2",
         "fsevents": "~2.3.2"
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@@ -5072,7 +5165,6 @@
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       "dev": true,
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-      "peer": true,
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         "tsc": "bin/tsc",
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@@ -5185,12 +5277,11 @@
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-      "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.0.tgz",
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+      "version": "7.3.2",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.2.tgz",
+      "integrity": "sha512-Bby3NOsna2jsjfLVOHKes8sGwgl4TT0E6vvpYgnAYDIF/tie7MRaFthmKuHx1NSXjiTueXH3do80FMQgvEktRg==",
       "dev": true,
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-      "peer": true,
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@@ -5311,7 +5402,6 @@
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       "license": "MIT",
-      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }

frontend/package.json

@@ -14,7 +14,7 @@
     "@radix-ui/react-tooltip": "^1.2.8",
     "@tanstack/react-query": "^5.90.10",
     "@tanstack/react-table": "^8.21.3",
-    "axios": "^1.13.2",
+    "axios": "^1.16.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
@@ -23,7 +23,7 @@
     "react-dom": "^19.2.0",
     "react-dropzone": "^14.3.8",
     "react-hook-form": "^7.66.1",
-    "react-router-dom": "^7.9.6",
+    "react-router-dom": "^7.14.1",
     "recharts": "^3.5.0",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",
@@ -42,10 +42,10 @@
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.4.24",
     "globals": "^16.5.0",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.12",
     "tailwindcss": "^4.1.17",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.46.4",
-    "vite": "^7.2.4"
+    "vite": "^7.3.2"
   }
 }

frontend/public/fonts/LICENSE.txt

@@ -0,0 +1,93 @@
+Copyright 2024 The Geist Project Authors (https://github.com/vercel/geist-font.git)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+https://openfontlicense.org
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded, 
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.