chore(main): release 0.9.0 (#90)

Co-authored-by: garage-ui-release-bot[bot] <285030457+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

@@ -3,7 +3,9 @@ name: build
 on:
   push:
     tags:
-      - 'v*'
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-*'
+  workflow_dispatch:
 
 jobs:
   build:

.github/workflows/chart-release.yml

@@ -0,0 +1,81 @@
+name: chart-release
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-*'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pages: write
+  packages: write
+  id-token: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v4.3.1
+        with:
+          version: v4.1.3
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.7.0
+        with:
+          charts_dir: helm
+          skip_existing: true
+        env:
+          CR_TOKEN: ${{ secrets.HELM_RELEASE_TOKEN }}
+
+      - name: Install cosign
+        uses: sigstore/cosign-installer@v4.1.2
+
+      - name: Log in to ghcr.io for cosign
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Package and push chart to ghcr.io (OCI)
+        id: oci_push
+        env:
+          GHCR_USER: ${{ github.actor }}
+          GHCR_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          set -euo pipefail
+          chart_version=$(grep -E '^version:' helm/garage-ui/Chart.yaml | awk '{print $2}')
+          echo "Packaging chart version ${chart_version}"
+          helm package helm/garage-ui --destination /tmp/chart
+
+          echo "${GHCR_TOKEN}" | helm registry login ghcr.io \
+            --username "${GHCR_USER}" --password-stdin
+
+          push_output=$(helm push "/tmp/chart/garage-ui-${chart_version}.tgz" \
+            oci://ghcr.io/noooste/charts 2>&1 | tee /dev/stderr)
+
+          digest=$(echo "$push_output" | grep -oE 'sha256:[a-f0-9]{64}' | head -n1)
+          if [ -z "$digest" ]; then
+            echo "Failed to parse pushed digest from helm push output" >&2
+            exit 1
+          fi
+          echo "digest=${digest}" >> "$GITHUB_OUTPUT"
+          echo "Pushed oci://ghcr.io/noooste/charts/garage-ui:${chart_version} (${digest})"
+
+      - name: Sign chart with cosign (keyless)
+        run: |
+          cosign sign --yes \
+            "ghcr.io/noooste/charts/garage-ui@${{ steps.oci_push.outputs.digest }}"

.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 +1,27 @@
+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 }}

.github/workflows/release.yml

@@ -1,37 +0,0 @@
-name: release
-
-on:
-  push:
-    branches:
-      - main
-    paths:
-      - 'helm/garage-ui/**'
-      - '!helm/garage-ui/README.md'
-
-jobs:
-  release:
-    permissions:
-      contents: write
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Code
-        uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-
-      - name: Configure Git
-        run: |
-          git config user.name "$GITHUB_ACTOR"
-          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
-
-      - name: Set up Helm
-        uses: azure/setup-helm@v4.3.1
-        with:
-          version: v3.19.3
-
-      - name: Run chart-releaser
-        uses: helm/chart-releaser-action@v1.7.0
-        with:
-          charts_dir: helm
-        env:
-          CR_TOKEN: "${{ secrets.HELM_RELEASE_TOKEN }}"

.github/workflows/test.yml

@@ -11,6 +11,9 @@ on:
   push:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   unit:
     name: Unit tests + coverage gate
@@ -33,7 +36,7 @@ jobs:
       - name: Run unit tests with race detector and coverage
         run: |
           cd backend
-          go test -race -coverprofile=../coverage.out -coverpkg=./... ./...
+          go test -race -count=1 -coverprofile=../coverage.out -coverpkg=./... ./...
 
       - name: Enforce coverage gate
         run: bash scripts/coverage-gate.sh coverage.out

.gitignore

@@ -52,7 +52,7 @@ dist-ssr
 *.sw?
 
 .env*
-!config.yaml.example
+!config.example.yaml
 docker-compose.*.yml
 !backend/tests/smoke/docker-compose.test.yml
 
@@ -64,6 +64,7 @@ garage.toml
 backend/docs/
 config.yaml
 docs/**/*.md
+!docs/garage-setup.md
+!docs/access-control.md
 
-# Superpowers brainstorm / session scratch
-.superpowers/
+**/worktrees

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+  ".": "0.9.0"
+}

CHANGELOG.md

@@ -0,0 +1,98 @@
+# Changelog
+
+## [0.9.0](https://github.com/Noooste/garage-ui/compare/v0.8.5...v0.9.0) (2026-07-11)
+
+
+### Features
+
+* **backend,frontend:** implement prefix and recursive substring search for bucket objects ([#89](https://github.com/Noooste/garage-ui/issues/89)) ([3098e47](https://github.com/Noooste/garage-ui/commit/3098e474f202f36b527c8636cd1d4e8c08e287d2))
+* **oidc:** add fine grained access control ([#91](https://github.com/Noooste/garage-ui/issues/91)) ([0d804fb](https://github.com/Noooste/garage-ui/commit/0d804fbd39ed656511b671d237ad14fc8c21786d))
+
+## [0.8.5](https://github.com/Noooste/garage-ui/compare/v0.8.4...v0.8.5) (2026-07-03)
+
+
+### Bug Fixes
+
+* **frontend:** add downloadObject function for downloading files from a bucket ([430d1a5](https://github.com/Noooste/garage-ui/commit/430d1a5d68e4f9915a2951d5b31c1b5ea56cb24c))
+
+## [0.8.4](https://github.com/Noooste/garage-ui/compare/v0.8.3...v0.8.4) (2026-06-22)
+
+
+### Bug Fixes
+
+* **helm:** track appVersion in release-please and fix badges ([1ffdfe8](https://github.com/Noooste/garage-ui/commit/1ffdfe83c884dc5e39d071343d5269164746c536))
+
+## [0.8.3](https://github.com/Noooste/garage-ui/compare/v0.8.2...v0.8.3) (2026-06-21)
+
+
+### Bug Fixes
+
+* **backend:** improve API version detection with retry logic for health probes ([46aa375](https://github.com/Noooste/garage-ui/commit/46aa3752c81788787388d1c67e29cef786bdabff))
+* **helm:** update version badges in README for Garage UI ([28c186f](https://github.com/Noooste/garage-ui/commit/28c186f3eba1a1c111100712f1eaec22a5d18eb2))
+
+## [0.8.2](https://github.com/Noooste/garage-ui/compare/v0.8.1...v0.8.2) (2026-06-07)
+
+
+### Bug Fixes
+
+* **backend:** prevent OIDC login loop from empty cookie name ([#76](https://github.com/Noooste/garage-ui/issues/76)) ([22be89b](https://github.com/Noooste/garage-ui/commit/22be89b2ff86465abb90dab0344ef9366ab181b3))
+
+## [0.8.1](https://github.com/Noooste/garage-ui/compare/v0.8.0...v0.8.1) (2026-05-31)
+
+
+### Bug Fixes
+
+* **frontend:** align three-dot menu item icon spacing and text alignment ([#72](https://github.com/Noooste/garage-ui/issues/72)) ([45f8770](https://github.com/Noooste/garage-ui/commit/45f87707996e92d0f8f75e79c8f60a13556eaf6e))
+
+## [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

@@ -48,7 +48,7 @@ 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
 
@@ -58,4 +58,3 @@ HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
     CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
 
 CMD ["./garage-ui"]
-

Makefile

@@ -154,3 +154,9 @@ test-cover:
 ## 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)
-[![Coverage](https://codecov.io/gh/Noooste/garage-ui/branch/main/graph/badge.svg)](https://codecov.io/gh/Noooste/garage-ui)
-[![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/)
-[![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.
 
 ---
 
@@ -24,53 +26,31 @@ 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.)
+- **Multi-user access control** - optional OIDC-team-based permissions, see [docs/access-control.md](docs/access-control.md)
+- **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
@@ -78,43 +58,6 @@ 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 +78,108 @@ 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 +201,23 @@ 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:**
@@ -210,11 +256,12 @@ Ideas being considered. Contributions welcome.
 - [ ] Per-bucket usage graph over time
 
 **Access keys**
-- [ ] Permission matrix view (keys × buckets)
+- [ ] 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
@@ -239,4 +286,4 @@ 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

@@ -6,11 +6,12 @@ require (
 	github.com/Noooste/azuretls-client v1.13.2
 	github.com/Noooste/swagger v1.2.0
 	github.com/coreos/go-oidc/v3 v3.18.0
-	github.com/gofiber/fiber/v3 v3.1.0
+	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 v7.0.100
-	github.com/rs/zerolog v1.35.0
+	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 v0.36.0
@@ -25,10 +26,11 @@ require (
 	github.com/Noooste/websocket v1.0.3 // indirect
 	github.com/andybalholm/brotli v1.2.1 // indirect
 	github.com/bdandy/go-errors v1.2.2 // 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 v1.19.0 // indirect
-	github.com/fsnotify/fsnotify v1.9.0 // 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
@@ -36,7 +38,6 @@ require (
 	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 v0.26.0 // 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
@@ -46,24 +47,20 @@ require (
 	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 v2.0.3 // indirect
+	github.com/gofiber/utils/v2 v2.0.6 // indirect
 	github.com/google/gopacket v1.1.19 // indirect
-	github.com/josharian/intern v1.0.0 // indirect
-	github.com/klauspost/compress v1.18.5 // 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/mailru/easyjson v0.9.2 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
-	github.com/mattn/go-isatty v0.0.21 // 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 v2.3.0 // indirect
 	github.com/philhofer/fwd v1.2.0 // indirect
 	github.com/quic-go/qpack v0.6.0 // indirect
 	github.com/refraction-networking/utls v1.8.2 // indirect
 	github.com/rs/xid v1.6.0 // indirect
 	github.com/sagikazarmark/locafero v0.12.0 // indirect
-	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
 	github.com/spf13/afero v1.15.0 // indirect
 	github.com/spf13/cast v1.10.0 // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
@@ -71,14 +68,15 @@ require (
 	github.com/swaggo/files/v2 v2.0.2 // indirect
 	github.com/tinylib/msgp v1.6.4 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
-	github.com/valyala/fasthttp v1.70.0 // 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 v0.50.0 // indirect
-	golang.org/x/mod v0.35.0 // indirect
-	golang.org/x/net v0.53.0 // 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 v0.43.0 // indirect
-	golang.org/x/text v0.36.0 // indirect
-	golang.org/x/tools v0.44.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // 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

@@ -2,8 +2,6 @@ github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc
 github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
 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 v1.12.11 h1:8IvtfPf+K6wOqiRROL/APGkxQCO/+jyjH0S39rnItfQ=
-github.com/Noooste/azuretls-client v1.12.11/go.mod h1:lvXW8wpaOwrwtDrSt8nv/Dd8NAbCMVNRoU4sFrAaxYs=
 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=
@@ -12,80 +10,62 @@ github.com/Noooste/go-socks4 v0.0.2 h1:DwHCYiCEAdjfNrQOFIid7qgKCll7ubhGS1ji5O8FY
 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 v1.0.3 h1:VP8npQmU4lkVLm9Ug5Q18SJ8ExFDfUZIzd13YjYaLHE=
-github.com/Noooste/uquic-go v1.0.3/go.mod h1:MxkrvgpNcbIOSQxqglC3e/798O/6zuL3mBhlFN+04w4=
 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 v1.3.20 h1:QzBNGGJ184bNMLodOzvM9YWc4vZ36QodIjqFQOHoZ88=
-github.com/Noooste/utls v1.3.20/go.mod h1:XEy+VEbTxmH6krfSG5YT7wDbjHTEi2zUXTG33R0PAAg=
 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=
 github.com/andybalholm/brotli v1.2.1 h1:R+f5xP285VArJDRgowrfb9DqL18yVK0gKAW/F+eTWro=
 github.com/andybalholm/brotli v1.2.1/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
 github.com/bdandy/go-errors v1.2.2 h1:WdFv/oukjTJCLa79UfkGmwX7ZxONAihKu4V0mLIs11Q=
 github.com/bdandy/go-errors v1.2.2/go.mod h1:NkYHl4Fey9oRRdbB1CoC6e84tuqQHiqrOcZpqFEkBxM=
-github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ0=
-github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
+github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cloudflare/circl v1.6.3 h1:9GPOhQGF9MCYUeXyMYlqTR6a5gTrgR/fBLXvUgtVcg8=
 github.com/cloudflare/circl v1.6.3/go.mod h1:2eXP6Qfat4O/Yhh8BznvKnJ+uzEoTQ6jVKJRn81BiS4=
-github.com/coreos/go-oidc/v3 v3.17.0 h1:hWBGaQfbi0iVviX4ibC7bk8OKT5qNr4klBaCHVNvehc=
-github.com/coreos/go-oidc/v3 v3.17.0/go.mod h1:wqPbKFrVnE90vty060SB40FCJ8fTHTxSwyXJqZH+sI8=
 github.com/coreos/go-oidc/v3 v3.18.0 h1:V9orjXynvu5wiC9SemFTWnG4F45v403aIcjWo0d41+A=
 github.com/coreos/go-oidc/v3 v3.18.0/go.mod h1:DYCf24+ncYi+XkIH97GY1+dqoRlbaSI26KVTCI9SrY4=
-github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
-github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
-github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
 github.com/fatih/color v1.19.0 h1:Zp3PiM21/9Ld6FzSKyL5c/BULoe/ONr9KlbYVOfG8+w=
 github.com/fatih/color v1.19.0/go.mod h1:zNk67I0ZUT1bEGsSGyCZYZNrHuTkJJB+r6Q9VuMi0LE=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
 github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
-github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sapM=
-github.com/fxamacker/cbor/v2 v2.9.0/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
+github.com/fsnotify/fsnotify v1.10.1 h1:b0/UzAf9yR5rhf3RPm9gf3ehBPpf0oZKIjtpKrx59Ho=
+github.com/fsnotify/fsnotify v1.10.1/go.mod h1:TLheqan6HD6GBK6PrDWyDPBaEV8LspOxvPSjC+bVfgo=
 github.com/fxamacker/cbor/v2 v2.9.1 h1:2rWm8B193Ll4VdjsJY28jxs70IdDsHRWgQYAI80+rMQ=
+github.com/fxamacker/cbor/v2 v2.9.1/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
 github.com/gaukas/clienthellod v0.4.2 h1:LPJ+LSeqt99pqeCV4C0cllk+pyWmERisP7w6qWr7eqE=
 github.com/gaukas/clienthellod v0.4.2/go.mod h1:M57+dsu0ZScvmdnNxaxsDPM46WhSEdPYAOdNgfL7IKA=
 github.com/gaukas/godicttls v0.0.4 h1:NlRaXb3J6hAnTmWdsEKb9bcSBD6BvcIjdGdeb0zfXbk=
 github.com/gaukas/godicttls v0.0.4/go.mod h1:l6EenT4TLWgTdwslVb4sEMOCf7Bv0JAK67deKr9/NCI=
 github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
 github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
-github.com/go-jose/go-jose/v4 v4.1.3 h1:CVLmWDhDVRa6Mi/IgCgaopNosCaHz7zrMeF9MlZRkrs=
-github.com/go-jose/go-jose/v4 v4.1.3/go.mod h1:x4oUasVrzR7071A4TnHLGSPpNOm2a21K9Kf04k1rs08=
 github.com/go-jose/go-jose/v4 v4.1.4 h1:moDMcTHmvE6Groj34emNPLs/qtYXRVcd6S7NHbHz3kA=
 github.com/go-jose/go-jose/v4 v4.1.4/go.mod h1:x4oUasVrzR7071A4TnHLGSPpNOm2a21K9Kf04k1rs08=
 github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
 github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
-github.com/go-openapi/jsonpointer v0.21.0 h1:YgdVicSA9vH5RiHs9TZW5oyafXZFc6+2Vc1rr/O9oNQ=
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@@ -212,78 +174,68 @@ github.com/swaggo/files/v2 v2.0.2 h1:Bq4tgS/yxLB/3nwOMcul5oLEUKa877Ykgz3CJMVbQKU
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backend/internal/auth/auth.go

@@ -4,9 +4,11 @@ import (
 	"Noooste/garage-ui/pkg/logger"
 	"context"
 	"crypto/subtle"
+	"crypto/tls"
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
+	"net/http"
 	"strings"
 
 	"Noooste/garage-ui/internal/config"
@@ -22,15 +24,18 @@ type Service struct {
 	oidcProvider *oidc.Provider
 	oidcVerifier *oidc.IDTokenVerifier
 	oauth2Config *oauth2.Config
+	oidcClient   *http.Client
 	jwtService   *JWTService
 }
 
 // UserInfo represents authenticated user information
 type UserInfo struct {
-	Username string
-	Email    string
-	Name     string
-	Roles    []string
+	Username   string
+	Email      string
+	Name       string
+	Roles      []string
+	Teams      []string // raw team claim values (team_attribute_path), OIDC only
+	AuthMethod string   // "oidc" | "admin" | "token"; "" on legacy sessions
 }
 
 // NewAuthService creates a new authentication service
@@ -58,7 +63,15 @@ func NewAuthService(authCfg *config.AuthConfig, serverCfg *config.ServerConfig)
 
 // initOIDC initializes the OIDC provider and configuration
 func (a *Service) initOIDC() error {
-	ctx := context.Background()
+	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)
@@ -92,6 +105,13 @@ func (a *Service) 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 *Service) ValidateBasicAuth(username, password string) bool {
 	// Use constant-time comparison to prevent timing attacks
@@ -123,7 +143,7 @@ func (a *Service) ExchangeCode(ctx context.Context, code string) (*oauth2.Token,
 		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)
 	}
@@ -138,7 +158,7 @@ func (a *Service) VerifyIDToken(ctx context.Context, rawIDToken string) (*UserIn
 	}
 
 	// 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)
 	}
@@ -161,6 +181,10 @@ func (a *Service) VerifyIDToken(ctx context.Context, rawIDToken string) (*UserIn
 		userInfo.Roles = extractRoles(claims, a.authConfig.OIDC.RoleAttributePath)
 	}
 
+	if a.authConfig.OIDC.TeamAttributePath != "" {
+		userInfo.Teams = extractRoles(claims, a.authConfig.OIDC.TeamAttributePath)
+	}
+
 	return userInfo, nil
 }
 
@@ -170,6 +194,8 @@ func (a *Service) GetUserInfo(ctx context.Context, token *oauth2.Token) (*UserIn
 		return nil, fmt.Errorf("OIDC not initialized")
 	}
 
+	ctx = a.oidcContext(ctx)
+
 	// Create OAuth2 token source
 	tokenSource := a.oauth2Config.TokenSource(ctx, token)
 
@@ -199,6 +225,10 @@ func (a *Service) GetUserInfo(ctx context.Context, token *oauth2.Token) (*UserIn
 		userInfo.Roles = extractRoles(claims, a.authConfig.OIDC.RoleAttributePath)
 	}
 
+	if a.authConfig.OIDC.TeamAttributePath != "" {
+		userInfo.Teams = extractRoles(claims, a.authConfig.OIDC.TeamAttributePath)
+	}
+
 	return userInfo, nil
 }
 
@@ -232,15 +262,45 @@ func (a *Service) ExtractRolesFromAccessToken(accessToken string) []string {
 	return extractRoles(claims, a.authConfig.OIDC.RoleAttributePath)
 }
 
-// IsAdmin checks if the user has admin role
+// ExtractTeamsFromAccessToken parses the access token JWT payload and extracts
+// team claim values using the configured team_attribute_path. Same rationale
+// as ExtractRolesFromAccessToken: Keycloak-style IdPs often emit group claims
+// only in the access token, which came from a verified code exchange.
+func (a *Service) ExtractTeamsFromAccessToken(accessToken string) []string {
+	if accessToken == "" || a.authConfig.OIDC.TeamAttributePath == "" {
+		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.TeamAttributePath)
+}
+
+// IsAdmin checks if the user has any of the configured admin roles.
 func (a *Service) IsAdmin(userInfo *UserInfo) bool {
-	if a.authConfig.OIDC.AdminRole == "" {
+	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
+			}
 		}
 	}
 
@@ -299,8 +359,21 @@ func extractRoles(claims map[string]interface{}, path string) []string {
 	return nil
 }
 
-// extractStringArray converts an interface{} to []string if possible
+// extractStringArray converts an interface{} to []string if possible.
+//
+// A scalar string is treated as a single-element list: IdPs commonly emit a
+// single role as a bare string (e.g. "garage_role": "garage-ui-admin") rather
+// than a one-element array, and discarding it would make admin_role checks
+// fail with a spurious 403, see https://github.com/Noooste/garage-ui/issues/75
 func extractStringArray(value interface{}) []string {
+	// Try a scalar string (single role emitted as a bare value)
+	if str, ok := value.(string); ok {
+		if str == "" {
+			return nil
+		}
+		return []string{str}
+	}
+
 	// Try direct string array
 	if strArray, ok := value.([]string); ok {
 		return strArray
@@ -352,9 +425,11 @@ func (a *Service) ValidateSessionToken(tokenString string) (*UserInfo, error) {
 	}
 
 	return &UserInfo{
-		Username: claims.Username,
-		Email:    claims.Email,
-		Name:     claims.Name,
-		Roles:    claims.Roles,
+		Username:   claims.Username,
+		Email:      claims.Email,
+		Name:       claims.Name,
+		Roles:      claims.Roles,
+		Teams:      claims.Teams,
+		AuthMethod: claims.AuthMethod,
 	}, nil
 }

backend/internal/auth/auth_teams_test.go

@@ -0,0 +1,75 @@
+package auth
+
+import (
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+)
+
+func TestSessionTokenRoundTripsTeamsAndMethod(t *testing.T) {
+	svc, err := NewAuthService(&config.AuthConfig{}, &config.ServerConfig{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	in := &UserInfo{
+		Username:   "alice",
+		Email:      "alice@example.com",
+		Teams:      []string{"garage-team-backend", "garage-team-data"},
+		AuthMethod: "oidc",
+	}
+	token, err := svc.GenerateSessionToken(in)
+	if err != nil {
+		t.Fatal(err)
+	}
+	out, err := svc.ValidateSessionToken(token)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(out.Teams) != 2 || out.Teams[0] != "garage-team-backend" {
+		t.Errorf("Teams = %v, want round-trip", out.Teams)
+	}
+	if out.AuthMethod != "oidc" {
+		t.Errorf("AuthMethod = %q, want oidc", out.AuthMethod)
+	}
+}
+
+func TestExtractTeamsFromAccessToken(t *testing.T) {
+	svc, err := NewAuthService(&config.AuthConfig{
+		OIDC: config.OIDCConfig{TeamAttributePath: "groups"},
+	}, &config.ServerConfig{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Unsigned JWT with {"groups":["team-a","team-b"]} payload. Extraction
+	// parses claims without verifying (token came from a verified exchange).
+	// header {"alg":"none"} / payload base64url of {"groups":["team-a","team-b"]}
+	tok := "eyJhbGciOiJub25lIn0.eyJncm91cHMiOlsidGVhbS1hIiwidGVhbS1iIl19.x"
+	got := svc.ExtractTeamsFromAccessToken(tok)
+	if len(got) != 2 || got[0] != "team-a" || got[1] != "team-b" {
+		t.Errorf("ExtractTeamsFromAccessToken = %v, want [team-a team-b]", got)
+	}
+	if got := svc.ExtractTeamsFromAccessToken(""); got != nil {
+		t.Errorf("empty token should return nil, got %v", got)
+	}
+}
+
+func TestExtractTeamsFromAccessToken_Malformed(t *testing.T) {
+	svc, err := NewAuthService(&config.AuthConfig{
+		OIDC: config.OIDCConfig{TeamAttributePath: "groups"},
+	}, &config.ServerConfig{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	// Fewer than two dot-separated segments.
+	if got := svc.ExtractTeamsFromAccessToken("single-segment"); got != nil {
+		t.Errorf("one-segment token = %v, want nil", got)
+	}
+	// Correct shape but the payload segment is not valid base64url.
+	if got := svc.ExtractTeamsFromAccessToken("hdr.!!!not-base64!!!.sig"); got != nil {
+		t.Errorf("bad base64 payload = %v, want nil", got)
+	}
+	// Valid base64url ("bm90anNvbg" -> "notjson") but not JSON.
+	if got := svc.ExtractTeamsFromAccessToken("hdr.bm90anNvbg.sig"); got != nil {
+		t.Errorf("non-JSON payload = %v, want nil", got)
+	}
+}

backend/internal/auth/auth_test.go

@@ -268,6 +268,86 @@ func TestNewAuthService_OIDCEnabled_DiscoversProvider(t *testing.T) {
 	}
 }
 
+// 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{
@@ -484,8 +564,11 @@ func TestExtractRolesFromAccessToken_IntermediateNodeNotMap(t *testing.T) {
 	}
 }
 
-func TestExtractRolesFromAccessToken_FinalValueWrongType(t *testing.T) {
-	// Final value is a plain string, not an array — extractStringArray returns nil.
+func TestExtractRolesFromAccessToken_ScalarStringRoleReturnsSingleElement(t *testing.T) {
+	// A role_attribute_path that resolves to a scalar string (common when an IdP
+	// emits a single role, e.g. "garage_role": "garage-ui-admin") must be treated
+	// as a one-element role list, not silently discarded. Discarding it caused
+	// admin_role (singular) + scalar claim to yield roles=[] and a spurious 403.
 	tok := makeAccessToken(t, map[string]any{
 		"roles": "admin",
 	})
@@ -494,8 +577,25 @@ func TestExtractRolesFromAccessToken_FinalValueWrongType(t *testing.T) {
 			OIDC: config.OIDCConfig{RoleAttributePath: "roles"},
 		},
 	}
+	got := svc.ExtractRolesFromAccessToken(tok)
+	if len(got) != 1 || got[0] != "admin" {
+		t.Errorf("got %v, want [admin]", got)
+	}
+}
+
+func TestExtractRolesFromAccessToken_EmptyScalarStringReturnsNil(t *testing.T) {
+	// An empty scalar must not produce a [""] role, which would never match a
+	// configured admin role and only muddies logs.
+	tok := makeAccessToken(t, map[string]any{
+		"roles": "",
+	})
+	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)
+		t.Errorf("expected nil for empty scalar role, got %v", got)
 	}
 }
 
@@ -529,23 +629,35 @@ func TestExtractRolesFromAccessToken_BadJSONInPayload(t *testing.T) {
 
 func TestIsAdmin(t *testing.T) {
 	tests := []struct {
-		name      string
-		adminRole string
-		userRoles []string
-		want      bool
+		name       string
+		adminRole  string
+		adminRoles []string
+		userRoles  []string
+		want       bool
 	}{
-		{"empty admin role config returns false", "", []string{"admin"}, false},
-		{"user has admin role", "admin", []string{"viewer", "admin"}, true},
-		{"user lacks admin role", "admin", []string{"viewer"}, false},
-		{"user has no roles", "admin", nil, false},
-		{"role match is exact (case-sensitive)", "admin", []string{"Admin"}, false},
+		{"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},
+					OIDC: config.OIDCConfig{AdminRole: tc.adminRole, AdminRoles: tc.adminRoles},
 				},
 			}
 			if got := svc.IsAdmin(&UserInfo{Roles: tc.userRoles}); got != tc.want {

backend/internal/auth/jwt.go

@@ -31,10 +31,12 @@ type StateData struct {
 }
 
 type SessionClaims struct {
-	Username string   `json:"username"`
-	Email    string   `json:"email"`
-	Name     string   `json:"name"`
-	Roles    []string `json:"roles"`
+	Username   string   `json:"username"`
+	Email      string   `json:"email"`
+	Name       string   `json:"name"`
+	Roles      []string `json:"roles"`
+	Teams      []string `json:"teams,omitempty"`
+	AuthMethod string   `json:"auth_method,omitempty"`
 	jwt.RegisteredClaims
 }
 
@@ -160,10 +162,12 @@ func (j *JWTService) GenerateToken(userInfo *UserInfo, sessionMaxAge int) (strin
 	expiresAt := now.Add(time.Duration(sessionMaxAge) * time.Second)
 
 	claims := SessionClaims{
-		Username: userInfo.Username,
-		Email:    userInfo.Email,
-		Name:     userInfo.Name,
-		Roles:    userInfo.Roles,
+		Username:   userInfo.Username,
+		Email:      userInfo.Email,
+		Name:       userInfo.Name,
+		Roles:      userInfo.Roles,
+		Teams:      userInfo.Teams,
+		AuthMethod: userInfo.AuthMethod,
 		RegisteredClaims: jwt.RegisteredClaims{
 			IssuedAt:  jwt.NewNumericDate(now),
 			ExpiresAt: jwt.NewNumericDate(expiresAt),

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/authz/authorizer.go

@@ -0,0 +1,129 @@
+package authz
+
+import (
+	"sort"
+	"strings"
+)
+
+// Subject is who is asking: resolved once per request by the TeamResolver.
+type Subject struct {
+	ID           string
+	IsAdmin      bool
+	Bindings     []Binding
+	ClusterPerms PermSet
+}
+
+// Resource is what is being acted on. Empty Bucket means the action is
+// global or unscoped (e.g. the ListBuckets endpoint itself).
+type Resource struct {
+	Bucket string
+}
+
+// Decision is the outcome of an authorization check.
+type Decision struct {
+	Allow  bool
+	Reason string
+}
+
+// Authorizer decides whether a subject may perform an action on a resource.
+// It is an interface so enforcement can later move to an external PDP or
+// Garage-side scoped tokens without touching handlers.
+type Authorizer interface {
+	Decide(subj Subject, action string, res Resource) Decision
+}
+
+type policyAuthorizer struct{}
+
+// NewAuthorizer returns the built-in policy evaluator.
+func NewAuthorizer() Authorizer { return policyAuthorizer{} }
+
+func (policyAuthorizer) Decide(subj Subject, action string, res Resource) Decision {
+	return Decide(subj, action, res)
+}
+
+// Decide is the pure decision function. The synthetic admin subject flows
+// through the same logic as any team, with no IsAdmin shortcut.
+func Decide(subj Subject, action string, res Resource) Decision {
+	spec, ok := Vocabulary[action]
+	if !ok {
+		return Decision{Allow: false, Reason: "unknown_permission"}
+	}
+
+	if spec.Scope == ScopeGlobal {
+		if _, ok := subj.ClusterPerms[action]; ok {
+			return Decision{Allow: true, Reason: "cluster_permission"}
+		}
+		return Decision{Allow: false, Reason: "no_cluster_permission"}
+	}
+
+	// Prefix-scoped.
+	for _, b := range subj.Bindings {
+		if _, ok := b.Permissions[action]; !ok {
+			continue
+		}
+		// Unscoped call (list endpoint): any binding holding the permission
+		// suffices; per-bucket filtering happens on the response.
+		if res.Bucket == "" {
+			return Decision{Allow: true, Reason: "any_binding"}
+		}
+		if prefixesMatch(b.BucketPrefixes, res.Bucket) {
+			return Decision{Allow: true, Reason: "binding_match"}
+		}
+	}
+	return Decision{Allow: false, Reason: "no_matching_binding"}
+}
+
+func prefixesMatch(prefixes []string, bucket string) bool {
+	for _, p := range prefixes {
+		if p == "*" || strings.HasPrefix(bucket, p) {
+			return true
+		}
+	}
+	return false
+}
+
+// AdminSubject builds the synthetic admin team: one wildcard binding holding
+// every prefix-scoped permission (admin-only included) plus every global
+// permission. Same code path as any team.
+func AdminSubject(id string) Subject {
+	prefixPerms := PermSet{}
+	clusterPerms := PermSet{}
+	for name, spec := range Vocabulary {
+		if spec.Scope == ScopePrefix {
+			prefixPerms[name] = struct{}{}
+		} else {
+			clusterPerms[name] = struct{}{}
+		}
+	}
+	return Subject{
+		ID:           id,
+		IsAdmin:      true,
+		Bindings:     []Binding{{BucketPrefixes: []string{"*"}, Permissions: prefixPerms}},
+		ClusterPerms: clusterPerms,
+	}
+}
+
+// EffectivePermissions returns the sorted union of prefix-scoped permissions
+// the subject holds on the named bucket. This is the value served in API responses
+// so the frontend never does prefix matching. Returns nil when nothing
+// matches.
+func EffectivePermissions(subj Subject, bucket string) []string {
+	set := PermSet{}
+	for _, b := range subj.Bindings {
+		if !prefixesMatch(b.BucketPrefixes, bucket) {
+			continue
+		}
+		for perm := range b.Permissions {
+			set[perm] = struct{}{}
+		}
+	}
+	if len(set) == 0 {
+		return nil
+	}
+	out := make([]string, 0, len(set))
+	for perm := range set {
+		out = append(out, perm)
+	}
+	sort.Strings(out)
+	return out
+}

backend/internal/authz/authorizer_test.go

@@ -0,0 +1,117 @@
+package authz
+
+import (
+	"sort"
+	"testing"
+)
+
+func testSubject() Subject {
+	return Subject{
+		ID: "alice@example.com",
+		Bindings: []Binding{
+			{BucketPrefixes: []string{"backend-"}, Permissions: PermSet{
+				"bucket.list": {}, "bucket.read": {}, "bucket.create": {}, "object.read": {}, "object.write": {},
+			}},
+			{BucketPrefixes: []string{"shared-"}, Permissions: PermSet{
+				"bucket.list": {}, "bucket.read": {}, "object.read": {},
+			}},
+		},
+		ClusterPerms: PermSet{"cluster.status": {}},
+	}
+}
+
+func TestDecidePrefixScoped(t *testing.T) {
+	s := testSubject()
+	cases := []struct {
+		action, bucket string
+		allow          bool
+	}{
+		{"bucket.read", "backend-api", true},
+		{"bucket.read", "shared-docs", true},
+		{"bucket.read", "data-warehouse", false}, // no binding matches
+		{"object.write", "backend-api", true},
+		{"object.write", "shared-docs", false},   // readonly binding
+		{"bucket.create", "backend-new", true},   // prefix guard: new name matches
+		{"bucket.create", "frontend-new", false}, // prefix guard: no match
+		{"bucket.delete", "backend-api", false},  // permission not granted at all
+	}
+	for _, tc := range cases {
+		d := Decide(s, tc.action, Resource{Bucket: tc.bucket})
+		if d.Allow != tc.allow {
+			t.Errorf("Decide(%s, %s) = %v (%s), want %v", tc.action, tc.bucket, d.Allow, d.Reason, tc.allow)
+		}
+	}
+}
+
+func TestDecideUnscopedListEndpoint(t *testing.T) {
+	// GET /buckets carries no bucket name: allowed if ANY binding grants
+	// bucket.list (the response is filtered per bucket afterwards).
+	s := testSubject()
+	if d := Decide(s, "bucket.list", Resource{}); !d.Allow {
+		t.Errorf("bucket.list with empty resource should be allowed for a subject holding it in any binding: %s", d.Reason)
+	}
+	noList := Subject{ID: "bob", Bindings: []Binding{{BucketPrefixes: []string{"x-"}, Permissions: PermSet{"object.read": {}}}}}
+	if d := Decide(noList, "bucket.list", Resource{}); d.Allow {
+		t.Error("bucket.list should be denied when no binding grants it")
+	}
+}
+
+func TestDecideGlobal(t *testing.T) {
+	s := testSubject()
+	if d := Decide(s, "cluster.status", Resource{}); !d.Allow {
+		t.Errorf("cluster.status should be allowed: %s", d.Reason)
+	}
+	if d := Decide(s, "cluster.statistics", Resource{}); d.Allow {
+		t.Error("cluster.statistics should be denied")
+	}
+	if d := Decide(s, "key.create", Resource{}); d.Allow {
+		t.Error("admin-only key.create should be denied for a team subject")
+	}
+}
+
+func TestDecideUnknownPermission(t *testing.T) {
+	if d := Decide(testSubject(), "bucket.explode", Resource{}); d.Allow {
+		t.Error("unknown permission must be denied")
+	}
+}
+
+func TestAdminSubject(t *testing.T) {
+	a := AdminSubject("root")
+	if !a.IsAdmin {
+		t.Error("AdminSubject must set IsAdmin")
+	}
+	// Admin goes through the exact same Decide path, no shortcut.
+	for _, action := range []string{"bucket.delete", "object.write", "key.create", "key.read_secret", "cluster.layout.apply", "node.repair"} {
+		if d := Decide(a, action, Resource{Bucket: "any-bucket-at-all"}); !d.Allow {
+			t.Errorf("admin denied %s: %s", action, d.Reason)
+		}
+	}
+}
+
+func TestEffectivePermissions(t *testing.T) {
+	s := testSubject()
+	got := EffectivePermissions(s, "backend-api")
+	want := []string{"bucket.create", "bucket.list", "bucket.read", "object.read", "object.write"}
+	if !equalStrings(got, want) {
+		t.Errorf("EffectivePermissions(backend-api) = %v, want %v", got, want)
+	}
+	if got := EffectivePermissions(s, "data-x"); got != nil {
+		t.Errorf("EffectivePermissions(data-x) = %v, want nil", got)
+	}
+	admin := EffectivePermissions(AdminSubject("root"), "anything")
+	if !sort.StringsAreSorted(admin) || len(admin) == 0 {
+		t.Errorf("admin effective permissions should be all prefix-scoped perms, sorted; got %v", admin)
+	}
+}
+
+func equalStrings(a, b []string) bool {
+	if len(a) != len(b) {
+		return false
+	}
+	for i := range a {
+		if a[i] != b[i] {
+			return false
+		}
+	}
+	return true
+}

backend/internal/authz/middleware.go

@@ -0,0 +1,235 @@
+package authz
+
+import (
+	"fmt"
+	"reflect"
+	"runtime"
+	"strconv"
+	"strings"
+
+	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/models"
+	logpkg "Noooste/garage-ui/pkg/logger"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+// SubjectLocalsKey is the fiber.Ctx.Locals key carrying the resolved Subject.
+const SubjectLocalsKey = "authzSubject"
+
+// Middleware wires the policy into Fiber. When the policy is disabled
+// (access_control absent) every handler is a passthrough no-op.
+type Middleware struct {
+	enabled    bool
+	resolver   TeamResolver
+	authorizer Authorizer
+}
+
+func NewMiddleware(policy *Policy, resolver TeamResolver, authorizer Authorizer) *Middleware {
+	return &Middleware{enabled: policy.Enabled, resolver: resolver, authorizer: authorizer}
+}
+
+// Enabled reports whether access control is active.
+func (m *Middleware) Enabled() bool { return m.enabled }
+
+// ResolveSubject computes the request's Subject once, right after
+// authentication. Handlers and the capabilities endpoint read the same
+// struct, so enforcement and UI can never disagree.
+func (m *Middleware) ResolveSubject() fiber.Handler {
+	return func(c fiber.Ctx) error {
+		if !m.enabled {
+			return c.Next()
+		}
+		userInfo, ok := c.Locals("userInfo").(*auth.UserInfo)
+		if !ok || userInfo == nil {
+			return c.Next() // no identity (auth disabled); Require will deny
+		}
+		c.Locals(SubjectLocalsKey, m.resolver.Resolve(userInfo))
+		return c.Next()
+	}
+}
+
+// SubjectFrom returns the Subject resolved for this request, if any.
+func SubjectFrom(c fiber.Ctx) (Subject, bool) {
+	subj, ok := c.Locals(SubjectLocalsKey).(Subject)
+	return subj, ok
+}
+
+// ScopeResolver extracts the target Resource from the request.
+type ScopeResolver func(c fiber.Ctx) Resource
+
+// ScopeNone is for global permissions and unscoped list endpoints.
+func ScopeNone(fiber.Ctx) Resource { return Resource{} }
+
+// BucketFromParam reads the bucket name from a URL parameter.
+func BucketFromParam(param string) ScopeResolver {
+	return func(c fiber.Ctx) Resource {
+		return Resource{Bucket: c.Params(param)}
+	}
+}
+
+// BucketFromBody reads the bucket name from a JSON body {"name": "..."}.
+// Fiber buffers the body, so the handler can bind it again afterwards.
+func BucketFromBody() ScopeResolver {
+	return func(c fiber.Ctx) Resource {
+		var req struct {
+			Name string `json:"name"`
+		}
+		if err := c.Bind().JSON(&req); err != nil {
+			return Resource{}
+		}
+		return Resource{Bucket: req.Name}
+	}
+}
+
+// Require gates a route on the caller holding ALL of perms for the resolved
+// resource. One structured decision log line is emitted per check: denies at
+// warn, allows at debug.
+//
+// The closure's function name is the marker VerifyRouteCoverage looks for.
+// Do not wrap it in another anonymous function.
+func (m *Middleware) Require(scope ScopeResolver, perms ...string) fiber.Handler {
+	if len(perms) == 0 {
+		// A no-perms Require would silently no-op (allow everything) yet still
+		// satisfy VerifyRouteCoverage, defeating the fail-closed guarantee.
+		panic("authz.Require: at least one permission required")
+	}
+	for _, p := range perms {
+		if !IsValidPermission(p) {
+			panic(fmt.Sprintf("authz.Require: unknown permission %q", p)) // programmer error, fail at wiring time
+		}
+	}
+	return func(c fiber.Ctx) error {
+		if !m.enabled {
+			return c.Next()
+		}
+		subj, ok := SubjectFrom(c)
+		if !ok {
+			logDecision(c, "", strings.Join(perms, ","), "", false, "no_subject")
+			return forbidden(c, perms[0])
+		}
+		res := scope(c)
+		for _, perm := range perms {
+			d := m.authorizer.Decide(subj, perm, res)
+			logDecision(c, subj.ID, perm, res.Bucket, d.Allow, d.Reason)
+			if !d.Allow {
+				return forbidden(c, perm)
+			}
+		}
+		return c.Next()
+	}
+}
+
+func forbidden(c fiber.Ctx, perm string) error {
+	return c.Status(fiber.StatusForbidden).JSON(
+		models.ErrorResponse(models.ErrCodeForbidden, "Missing permission: "+perm),
+	)
+}
+
+func logDecision(c fiber.Ctx, subject, action, resource string, allow bool, reason string) {
+	l := logpkg.FromCtx(c.Context())
+	evt := l.Debug()
+	if !allow {
+		evt = l.Warn()
+	}
+	decision := "allow"
+	if !allow {
+		decision = "deny"
+	}
+	evt.Str("subject", subject).
+		Str("action", action).
+		Str("resource", resource).
+		Str("decision", decision).
+		Str("reason", reason).
+		Msg("authz_decision")
+}
+
+// coverageExemptPaths are /api/v1 routes that intentionally carry no Require:
+// health is unauthenticated, capabilities is the frontend's fail-closed
+// source and returns only the caller's own permissions.
+var coverageExemptPaths = map[string]struct{}{
+	"/api/v1/health":       {},
+	"/api/v1/capabilities": {},
+}
+
+// VerifyRouteCoverage walks the app's route table and errors if any /api/v1
+// route lacks a Require handler. Called at startup (and from tests): a new
+// endpoint registered without declaring its permission prevents boot instead
+// of silently failing open.
+//
+// .Use()-registered routes need special handling. Group-level middleware
+// (api.Use(handler) on the "/api/v1" group) produces synthetic per-method
+// bookkeeping entries at exactly the bare prefix. Those aren't endpoints and
+// are exempt. But a use-route at any deeper path (api.Use("/sneaky",
+// terminalHandler)) IS a reachable endpoint and gets the same fail-closed
+// treatment as normal routes.
+func VerifyRouteCoverage(app *fiber.App) error {
+	// fiber.Route doesn't export whether a route was .Use()-registered, so
+	// classify by diffing GetRoutes() (everything) against GetRoutes(true)
+	// (use-routes filtered out): entries unmatched in the filtered multiset
+	// are use-registered.
+	nonUse := map[string]int{}
+	for _, r := range app.GetRoutes(true) {
+		nonUse[routeKey(r)]++
+	}
+
+	var naked []string
+	for _, route := range app.GetRoutes() {
+		// Consume the multiset for every route, before any skip, so
+		// classification stays consistent across the whole table.
+		isUse := true
+		if k := routeKey(route); nonUse[k] > 0 {
+			nonUse[k]--
+			isUse = false
+		}
+		if !strings.HasPrefix(route.Path, "/api/v1") {
+			continue
+		}
+		if isUse && route.Path == "/api/v1" {
+			continue // group-middleware bookkeeping at the bare prefix
+		}
+		if _, exempt := coverageExemptPaths[route.Path]; exempt {
+			continue
+		}
+		if route.Method == fiber.MethodHead && hasRequireForPath(app, fiber.MethodGet, route.Path) {
+			continue // Fiber auto-registers HEAD mirroring GET
+		}
+		if !routeHasRequire(route.Handlers) {
+			naked = append(naked, route.Method+" "+route.Path)
+		}
+	}
+	if len(naked) > 0 {
+		return fmt.Errorf("authz: routes without Require permission declaration: %s", strings.Join(naked, ", "))
+	}
+	return nil
+}
+
+// routeKey identifies a route for the use-route diff. Method+Path+handler
+// count is robust enough: two routes sharing all three are interchangeable
+// for coverage purposes, and the multiset keeps counts honest.
+func routeKey(r fiber.Route) string {
+	return r.Method + " " + r.Path + " " + strconv.Itoa(len(r.Handlers))
+}
+
+func hasRequireForPath(app *fiber.App, method, path string) bool {
+	for _, route := range app.GetRoutes(true) {
+		if route.Method == method && route.Path == path {
+			return routeHasRequire(route.Handlers)
+		}
+	}
+	return false
+}
+
+func routeHasRequire(handlers []fiber.Handler) bool {
+	for _, h := range handlers {
+		fn := runtime.FuncForPC(fiberHandlerPC(h))
+		if fn != nil && strings.Contains(fn.Name(), "authz.(*Middleware).Require") {
+			return true
+		}
+	}
+	return false
+}
+
+func fiberHandlerPC(h fiber.Handler) uintptr {
+	return reflect.ValueOf(h).Pointer()
+}

backend/internal/authz/middleware_test.go

@@ -0,0 +1,235 @@
+package authz
+
+import (
+	"io"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/config"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func middlewareFixture(t *testing.T) *Middleware {
+	t.Helper()
+	policy, err := CompilePolicy(&config.AccessControlConfig{
+		Teams: []config.TeamConfig{{
+			Name:        "backend",
+			ClaimValues: []string{"g-backend"},
+			Bindings: []config.BindingConfig{{
+				BucketPrefixes: []string{"backend-"},
+				Permissions:    []string{"bucket.read", "bucket.create", "object.read"},
+			}},
+			ClusterPermissions: []string{"cluster.status"},
+		}},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	return NewMiddleware(policy, NewTeamResolver(policy, []string{"garage-admin"}), NewAuthorizer())
+}
+
+func newTestApp(m *Middleware, userInfo *auth.UserInfo) *fiber.App {
+	app := fiber.New()
+	app.Use(func(c fiber.Ctx) error { // stand-in for AuthMiddleware
+		if userInfo != nil {
+			c.Locals("userInfo", userInfo)
+		}
+		return c.Next()
+	})
+	app.Use(m.ResolveSubject())
+	app.Get("/api/v1/buckets/:name", m.Require(BucketFromParam("name"), PermBucketRead), func(c fiber.Ctx) error {
+		return c.SendString("ok")
+	})
+	app.Post("/api/v1/buckets", m.Require(BucketFromBody(), PermBucketCreate), func(c fiber.Ctx) error {
+		return c.SendString("created")
+	})
+	app.Get("/api/v1/cluster/status", m.Require(ScopeNone, PermClusterStatus), func(c fiber.Ctx) error {
+		return c.SendString("ok")
+	})
+	return app
+}
+
+func doReq(t *testing.T, app *fiber.App, method, path, body string) int {
+	t.Helper()
+	var reader io.Reader
+	if body != "" {
+		reader = strings.NewReader(body)
+	}
+	req := httptest.NewRequest(method, path, reader)
+	if body != "" {
+		req.Header.Set("Content-Type", "application/json")
+	}
+	resp, err := app.Test(req)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return resp.StatusCode
+}
+
+func TestRequireAllowsMatchingTeam(t *testing.T) {
+	m := middlewareFixture(t)
+	app := newTestApp(m, &auth.UserInfo{Email: "a@x", AuthMethod: "oidc", Teams: []string{"g-backend"}})
+	if code := doReq(t, app, "GET", "/api/v1/buckets/backend-api", ""); code != 200 {
+		t.Errorf("matching bucket: status %d, want 200", code)
+	}
+	if code := doReq(t, app, "GET", "/api/v1/cluster/status", ""); code != 200 {
+		t.Errorf("cluster.status: status %d, want 200", code)
+	}
+}
+
+func TestRequireDeniesOutOfScope(t *testing.T) {
+	m := middlewareFixture(t)
+	app := newTestApp(m, &auth.UserInfo{Email: "a@x", AuthMethod: "oidc", Teams: []string{"g-backend"}})
+	if code := doReq(t, app, "GET", "/api/v1/buckets/data-warehouse", ""); code != 403 {
+		t.Errorf("non-matching bucket: status %d, want 403", code)
+	}
+}
+
+func TestRequireBucketFromBody(t *testing.T) {
+	m := middlewareFixture(t)
+	app := newTestApp(m, &auth.UserInfo{Email: "a@x", AuthMethod: "oidc", Teams: []string{"g-backend"}})
+	if code := doReq(t, app, "POST", "/api/v1/buckets", `{"name":"backend-new"}`); code != 200 {
+		t.Errorf("create with matching prefix: status %d, want 200", code)
+	}
+	if code := doReq(t, app, "POST", "/api/v1/buckets", `{"name":"other-new"}`); code != 403 {
+		t.Errorf("create with foreign prefix: status %d, want 403", code)
+	}
+}
+
+func TestRequireDefaultDenyZeroTeamUser(t *testing.T) {
+	m := middlewareFixture(t)
+	app := newTestApp(m, &auth.UserInfo{Email: "z@x", AuthMethod: "oidc"})
+	if code := doReq(t, app, "GET", "/api/v1/buckets/backend-api", ""); code != 403 {
+		t.Errorf("zero-team user: status %d, want 403", code)
+	}
+}
+
+func TestRequirePassthroughWhenDisabled(t *testing.T) {
+	policy, _ := CompilePolicy(nil)
+	m := NewMiddleware(policy, NewTeamResolver(policy, nil), NewAuthorizer())
+	// No userInfo at all. Disabled access control must not require a subject.
+	app := newTestApp(m, nil)
+	if code := doReq(t, app, "GET", "/api/v1/buckets/anything", ""); code != 200 {
+		t.Errorf("disabled: status %d, want 200", code)
+	}
+}
+
+func TestMiddlewareEnabledReflectsPolicy(t *testing.T) {
+	if !middlewareFixture(t).Enabled() {
+		t.Error("Enabled() = false for a configured policy, want true")
+	}
+	disabled, _ := CompilePolicy(nil)
+	m := NewMiddleware(disabled, NewTeamResolver(disabled, nil), NewAuthorizer())
+	if m.Enabled() {
+		t.Error("Enabled() = true for a nil (disabled) policy, want false")
+	}
+}
+
+func TestResolveSubjectWithoutUserInfoDenies(t *testing.T) {
+	// Enabled middleware, but auth set no userInfo local: ResolveSubject leaves
+	// no subject, and Require then denies for want of one.
+	m := middlewareFixture(t)
+	app := newTestApp(m, nil)
+	if code := doReq(t, app, "GET", "/api/v1/buckets/backend-api", ""); code != 403 {
+		t.Errorf("enabled + no userInfo: status %d, want 403", code)
+	}
+}
+
+func TestRequireBucketFromBodyMalformedBody(t *testing.T) {
+	m := middlewareFixture(t)
+	app := newTestApp(m, &auth.UserInfo{Email: "a@x", AuthMethod: "oidc", Teams: []string{"g-backend"}})
+	// Malformed JSON: BucketFromBody's bind fails and returns an empty resource.
+	// An empty bucket is an unscoped check, so a team holding bucket.create in
+	// any binding is allowed (this is what proves the resource came back empty:
+	// a non-empty foreign bucket name would be denied instead).
+	if code := doReq(t, app, "POST", "/api/v1/buckets", "{not-json"); code != 200 {
+		t.Errorf("malformed body: status %d, want 200 (empty resource, any_binding)", code)
+	}
+}
+
+func TestRequireUnknownPermissionPanics(t *testing.T) {
+	m := middlewareFixture(t)
+	defer func() {
+		r := recover()
+		if r == nil {
+			t.Fatal("Require with an unknown permission: want panic, got none")
+		}
+		if msg, ok := r.(string); !ok || !strings.Contains(msg, "unknown permission") {
+			t.Errorf("panic value = %v, want message containing %q", r, "unknown permission")
+		}
+	}()
+	m.Require(ScopeNone, "bogus.permission")
+}
+
+func TestVerifyRouteCoverage(t *testing.T) {
+	m := middlewareFixture(t)
+
+	covered := fiber.New()
+	covered.Get("/api/v1/capabilities", func(c fiber.Ctx) error { return nil }) // exempt
+	covered.Get("/api/v1/health", func(c fiber.Ctx) error { return nil })       // exempt
+	covered.Get("/api/v1/x", m.Require(ScopeNone, PermClusterStatus), func(c fiber.Ctx) error { return nil })
+	covered.Get("/other", func(c fiber.Ctx) error { return nil }) // outside /api/v1
+	if err := VerifyRouteCoverage(covered); err != nil {
+		t.Errorf("covered app: %v, want nil", err)
+	}
+
+	uncovered := fiber.New()
+	uncovered.Get("/api/v1/naked", func(c fiber.Ctx) error { return nil })
+	err := VerifyRouteCoverage(uncovered)
+	if err == nil {
+		t.Fatal("uncovered app: want error, got nil")
+	}
+	if !strings.Contains(err.Error(), "/api/v1/naked") {
+		t.Errorf("error should name the naked route: %v", err)
+	}
+}
+
+func TestVerifyRouteCoverage_GroupUseBookkeepingExempt(t *testing.T) {
+	// Group-level .Use() middleware produces synthetic per-method entries at
+	// exactly the bare group prefix; those aren't endpoints and must not trip
+	// the coverage check as long as the real routes carry Require.
+	m := middlewareFixture(t)
+	app := fiber.New()
+	api := app.Group("/api/v1")
+	api.Use(func(c fiber.Ctx) error { return c.Next() }) // stand-in for AuthMiddleware
+	api.Use(m.ResolveSubject())
+	api.Get("/x", m.Require(ScopeNone, PermClusterStatus), func(c fiber.Ctx) error { return nil })
+	if err := VerifyRouteCoverage(app); err != nil {
+		t.Errorf("group-level Use at bare prefix should be exempt: %v", err)
+	}
+}
+
+func TestRequireZeroPermissionsPanics(t *testing.T) {
+	m := middlewareFixture(t)
+	defer func() {
+		r := recover()
+		if r == nil {
+			t.Fatal("Require with zero perms: want panic, got none")
+		}
+		msg, ok := r.(string)
+		if !ok || !strings.Contains(msg, "at least one permission required") {
+			t.Errorf("panic value = %v, want message containing %q", r, "at least one permission required")
+		}
+	}()
+	m.Require(ScopeNone)
+}
+
+func TestVerifyRouteCoverage_UseRegisteredEndpointFlagged(t *testing.T) {
+	// A .Use()-registered route at a DEEPER path under /api/v1 is a reachable
+	// endpoint (Fiber runs it for every method with that prefix); it must get
+	// the same fail-closed treatment as a normal route.
+	app := fiber.New()
+	api := app.Group("/api/v1")
+	api.Use(func(c fiber.Ctx) error { return c.Next() }) // bare-prefix middleware stays exempt
+	api.Use("/sneaky", func(c fiber.Ctx) error { return c.SendString("terminal") })
+	err := VerifyRouteCoverage(app)
+	if err == nil {
+		t.Fatal("use-registered endpoint under /api/v1: want error, got nil")
+	}
+	if !strings.Contains(err.Error(), "/api/v1/sneaky") {
+		t.Errorf("error should name /api/v1/sneaky: %v", err)
+	}
+}

backend/internal/authz/policy.go

@@ -0,0 +1,212 @@
+package authz
+
+import (
+	"fmt"
+	"strings"
+
+	"Noooste/garage-ui/internal/config"
+)
+
+// PermSet is a set of concrete permission names.
+type PermSet map[string]struct{}
+
+// Binding pairs bucket-name prefixes with the prefix-scoped permissions that
+// apply to buckets matching them.
+type Binding struct {
+	BucketPrefixes []string
+	Permissions    PermSet
+}
+
+// TeamPolicy is a compiled team: presets resolved, globs expanded, validated.
+type TeamPolicy struct {
+	Name         string
+	ClaimValues  []string
+	Bindings     []Binding
+	ClusterPerms PermSet
+}
+
+// Policy is the compiled access-control policy. Enabled=false (access_control
+// absent) means "behave exactly as before this feature existed".
+type Policy struct {
+	Enabled bool
+	Teams   []TeamPolicy
+	byClaim map[string][]int // claim value -> indexes into Teams
+}
+
+const presetPrefix = "preset:"
+
+// CompilePolicy validates and compiles the access_control config section.
+// Any error here must abort startup; a half-valid policy is worse than none.
+func CompilePolicy(cfg *config.AccessControlConfig) (*Policy, error) {
+	if cfg == nil {
+		return &Policy{Enabled: false}, nil
+	}
+
+	resolvedPresets := make(map[string]PermSet, len(cfg.Presets))
+	for name := range cfg.Presets {
+		perms, err := resolvePreset(cfg.Presets, name, nil)
+		if err != nil {
+			return nil, err
+		}
+		resolvedPresets[name] = perms
+	}
+
+	p := &Policy{Enabled: true, byClaim: map[string][]int{}}
+	seenNames := map[string]struct{}{}
+	for ti, team := range cfg.Teams {
+		if team.Name == "" {
+			return nil, fmt.Errorf("access_control: team %d has no name", ti)
+		}
+		if _, dup := seenNames[team.Name]; dup {
+			return nil, fmt.Errorf("access_control: duplicate team name %q", team.Name)
+		}
+		seenNames[team.Name] = struct{}{}
+		if len(team.ClaimValues) == 0 {
+			return nil, fmt.Errorf("access_control: team %q has empty claim_values", team.Name)
+		}
+		if len(team.Bindings) == 0 && len(team.ClusterPermissions) == 0 {
+			return nil, fmt.Errorf("access_control: team %q must have at least one binding or cluster permission", team.Name)
+		}
+
+		tp := TeamPolicy{Name: team.Name, ClaimValues: team.ClaimValues, ClusterPerms: PermSet{}}
+
+		for bi, b := range team.Bindings {
+			if len(b.BucketPrefixes) == 0 {
+				return nil, fmt.Errorf("access_control: team %q binding %d has no bucket_prefixes", team.Name, bi)
+			}
+			perms, err := resolvePermList(b.Permissions, resolvedPresets, team.Name)
+			if err != nil {
+				return nil, err
+			}
+			if len(perms) == 0 {
+				return nil, fmt.Errorf("access_control: team %q binding %d has no permissions", team.Name, bi)
+			}
+			for perm := range perms {
+				if Vocabulary[perm].Scope != ScopePrefix {
+					return nil, fmt.Errorf("access_control: team %q binding %d: %q is a global permission, put it under cluster_permissions", team.Name, bi, perm)
+				}
+			}
+			tp.Bindings = append(tp.Bindings, Binding{BucketPrefixes: b.BucketPrefixes, Permissions: perms})
+		}
+
+		clusterPerms, err := resolvePermList(team.ClusterPermissions, resolvedPresets, team.Name)
+		if err != nil {
+			return nil, err
+		}
+		for perm := range clusterPerms {
+			if Vocabulary[perm].Scope != ScopeGlobal {
+				return nil, fmt.Errorf("access_control: team %q cluster_permissions: %q is prefix-scoped, put it in a binding", team.Name, perm)
+			}
+		}
+		tp.ClusterPerms = clusterPerms
+
+		p.Teams = append(p.Teams, tp)
+		idx := len(p.Teams) - 1
+		for _, cv := range team.ClaimValues {
+			p.byClaim[cv] = append(p.byClaim[cv], idx)
+		}
+	}
+	return p, nil
+}
+
+// resolvePermList turns a raw permission list (concrete names, preset refs,
+// globs) into a validated PermSet.
+func resolvePermList(raw []string, presets map[string]PermSet, teamName string) (PermSet, error) {
+	out := PermSet{}
+	for _, entry := range raw {
+		switch {
+		case strings.HasPrefix(entry, presetPrefix):
+			name := strings.TrimPrefix(entry, presetPrefix)
+			perms, ok := presets[name]
+			if !ok {
+				return nil, fmt.Errorf("access_control: team %q references unknown preset %q", teamName, name)
+			}
+			for perm := range perms {
+				out[perm] = struct{}{}
+			}
+		case strings.HasSuffix(entry, "*"):
+			expanded := ExpandGlob(entry)
+			if expanded == nil {
+				return nil, fmt.Errorf("access_control: team %q: glob %q matches no permission (unknown permission pattern)", teamName, entry)
+			}
+			for _, perm := range expanded {
+				out[perm] = struct{}{}
+			}
+		default:
+			spec, ok := Vocabulary[entry]
+			if !ok {
+				return nil, fmt.Errorf("access_control: team %q: unknown permission %q", teamName, entry)
+			}
+			if spec.AdminOnly {
+				return nil, fmt.Errorf("access_control: team %q: %q is admin-only in v1 and cannot be granted to a team", teamName, entry)
+			}
+			out[entry] = struct{}{}
+		}
+	}
+	return out, nil
+}
+
+// resolvePreset resolves one preset, following preset:… references with cycle
+// detection. path carries the current resolution chain.
+func resolvePreset(presets map[string][]string, name string, path []string) (PermSet, error) {
+	for _, seen := range path {
+		if seen == name {
+			return nil, fmt.Errorf("access_control: preset cycle detected: %s -> %s", strings.Join(path, " -> "), name)
+		}
+	}
+	entries, ok := presets[name]
+	if !ok {
+		return nil, fmt.Errorf("access_control: unknown preset %q", name)
+	}
+	out := PermSet{}
+	for _, entry := range entries {
+		switch {
+		case strings.HasPrefix(entry, presetPrefix):
+			sub, err := resolvePreset(presets, strings.TrimPrefix(entry, presetPrefix), append(path, name))
+			if err != nil {
+				return nil, err
+			}
+			for perm := range sub {
+				out[perm] = struct{}{}
+			}
+		case strings.HasSuffix(entry, "*"):
+			expanded := ExpandGlob(entry)
+			if expanded == nil {
+				return nil, fmt.Errorf("access_control: preset %q: glob %q matches no permission", name, entry)
+			}
+			for _, perm := range expanded {
+				out[perm] = struct{}{}
+			}
+		default:
+			spec, ok := Vocabulary[entry]
+			if !ok {
+				return nil, fmt.Errorf("access_control: preset %q: unknown permission %q", name, entry)
+			}
+			if spec.AdminOnly {
+				return nil, fmt.Errorf("access_control: preset %q: %q is admin-only in v1 and cannot be granted to a team", name, entry)
+			}
+			out[entry] = struct{}{}
+		}
+	}
+	return out, nil
+}
+
+// TeamsForClaims returns every team whose claim_values intersect claims.
+// Multiple teams sharing a claim value are all returned (union semantics).
+func (p *Policy) TeamsForClaims(claims []string) []*TeamPolicy {
+	if !p.Enabled {
+		return nil
+	}
+	seen := map[int]struct{}{}
+	var out []*TeamPolicy
+	for _, c := range claims {
+		for _, idx := range p.byClaim[c] {
+			if _, dup := seen[idx]; dup {
+				continue
+			}
+			seen[idx] = struct{}{}
+			out = append(out, &p.Teams[idx])
+		}
+	}
+	return out
+}

backend/internal/authz/policy_test.go

@@ -0,0 +1,201 @@
+package authz
+
+import (
+	"strings"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+)
+
+func validAC() *config.AccessControlConfig {
+	return &config.AccessControlConfig{
+		Presets: map[string][]string{
+			"bucket_readonly": {"bucket.list", "bucket.read", "object.list", "object.read"},
+			"bucket_owner":    {"preset:bucket_readonly", "bucket.create", "bucket.update", "bucket.delete", "object.write", "object.delete"},
+		},
+		Teams: []config.TeamConfig{
+			{
+				Name:        "backend",
+				ClaimValues: []string{"garage-team-backend"},
+				Bindings: []config.BindingConfig{
+					{BucketPrefixes: []string{"backend-"}, Permissions: []string{"preset:bucket_owner"}},
+					{BucketPrefixes: []string{"shared-"}, Permissions: []string{"preset:bucket_readonly"}},
+				},
+				ClusterPermissions: []string{"cluster.status", "cluster.health"},
+			},
+		},
+	}
+}
+
+func TestCompilePolicyNilConfig(t *testing.T) {
+	p, err := CompilePolicy(nil)
+	if err != nil {
+		t.Fatalf("CompilePolicy(nil): %v", err)
+	}
+	if p.Enabled {
+		t.Error("nil config must compile to disabled policy")
+	}
+}
+
+func TestCompilePolicyResolvesPresetsAndGlobs(t *testing.T) {
+	cfg := validAC()
+	cfg.Teams[0].Bindings[0].Permissions = append(cfg.Teams[0].Bindings[0].Permissions, "bucket_alias.*")
+	p, err := CompilePolicy(cfg)
+	if err != nil {
+		t.Fatalf("CompilePolicy: %v", err)
+	}
+	if !p.Enabled {
+		t.Fatal("policy should be enabled")
+	}
+	b0 := p.Teams[0].Bindings[0].Permissions
+	for _, want := range []string{"bucket.list", "bucket.read", "bucket.create", "object.delete", "bucket_alias.add", "bucket_alias.remove"} {
+		if _, ok := b0[want]; !ok {
+			t.Errorf("binding 0 missing %q after preset/glob resolution: %v", want, b0)
+		}
+	}
+	if _, ok := p.Teams[0].Bindings[1].Permissions["bucket.create"]; ok {
+		t.Error("readonly binding must not gain owner permissions")
+	}
+	if _, ok := p.Teams[0].ClusterPerms["cluster.status"]; !ok {
+		t.Error("cluster_permissions not compiled")
+	}
+}
+
+func TestCompilePolicyValidationErrors(t *testing.T) {
+	cases := []struct {
+		name    string
+		mutate  func(*config.AccessControlConfig)
+		errPart string
+	}{
+		{"unknown permission", func(c *config.AccessControlConfig) {
+			c.Teams[0].Bindings[0].Permissions = []string{"bucket.explode"}
+		}, "unknown permission"},
+		{"unknown preset", func(c *config.AccessControlConfig) {
+			c.Teams[0].Bindings[0].Permissions = []string{"preset:nope"}
+		}, "unknown preset"},
+		{"preset cycle", func(c *config.AccessControlConfig) {
+			c.Presets["a"] = []string{"preset:b"}
+			c.Presets["b"] = []string{"preset:a"}
+			c.Teams[0].Bindings[0].Permissions = []string{"preset:a"}
+		}, "cycle"},
+		{"admin-only to team", func(c *config.AccessControlConfig) {
+			c.Teams[0].ClusterPermissions = []string{"key.create"}
+		}, "admin-only"},
+		{"duplicate team name", func(c *config.AccessControlConfig) {
+			c.Teams = append(c.Teams, c.Teams[0])
+		}, "duplicate team"},
+		{"empty claim_values", func(c *config.AccessControlConfig) {
+			c.Teams[0].ClaimValues = nil
+		}, "claim_values"},
+		{"no bindings or cluster perms", func(c *config.AccessControlConfig) {
+			c.Teams[0].Bindings = nil
+			c.Teams[0].ClusterPermissions = nil
+		}, "at least one"},
+		{"prefix-scoped perm in cluster_permissions", func(c *config.AccessControlConfig) {
+			c.Teams[0].ClusterPermissions = []string{"bucket.read"}
+		}, "prefix-scoped"},
+		{"global perm in binding", func(c *config.AccessControlConfig) {
+			c.Teams[0].Bindings[0].Permissions = []string{"cluster.status"}
+		}, "global"},
+		{"binding without prefixes", func(c *config.AccessControlConfig) {
+			c.Teams[0].Bindings[0].BucketPrefixes = nil
+		}, "bucket_prefixes"},
+		{"binding with empty permissions", func(c *config.AccessControlConfig) {
+			c.Teams[0].Bindings[0].Permissions = nil
+		}, "has no permissions"},
+		{"empty team name", func(c *config.AccessControlConfig) {
+			c.Teams[0].Name = ""
+		}, "has no name"},
+		{"glob matches nothing in binding", func(c *config.AccessControlConfig) {
+			c.Teams[0].Bindings[0].Permissions = []string{"nonexistent.*"}
+		}, "matches no permission"},
+		{"preset references unknown preset", func(c *config.AccessControlConfig) {
+			c.Presets["broken"] = []string{"preset:ghost"}
+		}, "unknown preset"},
+		{"glob matches nothing in preset", func(c *config.AccessControlConfig) {
+			c.Presets["globby"] = []string{"nonexistent.*"}
+		}, "matches no permission"},
+		{"unknown permission in preset", func(c *config.AccessControlConfig) {
+			c.Presets["badperm"] = []string{"bucket.explode"}
+		}, "unknown permission"},
+		{"admin-only permission in preset", func(c *config.AccessControlConfig) {
+			c.Presets["adminy"] = []string{"key.create"}
+		}, "admin-only"},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			cfg := validAC()
+			tc.mutate(cfg)
+			_, err := CompilePolicy(cfg)
+			if err == nil {
+				t.Fatalf("expected error containing %q, got nil", tc.errPart)
+			}
+			if !strings.Contains(err.Error(), tc.errPart) {
+				t.Fatalf("error %q does not contain %q", err.Error(), tc.errPart)
+			}
+		})
+	}
+}
+
+func TestCompilePolicyPresetWithGlob(t *testing.T) {
+	// A preset may itself contain a trailing-star glob; it must expand at
+	// compile time just like a glob written directly in a binding.
+	cfg := validAC()
+	cfg.Presets["aliasops"] = []string{"bucket_alias.*"}
+	cfg.Teams[0].Bindings[0].Permissions = []string{"preset:aliasops"}
+	p, err := CompilePolicy(cfg)
+	if err != nil {
+		t.Fatalf("CompilePolicy: %v", err)
+	}
+	b0 := p.Teams[0].Bindings[0].Permissions
+	for _, want := range []string{"bucket_alias.add", "bucket_alias.remove"} {
+		if _, ok := b0[want]; !ok {
+			t.Errorf("preset glob did not expand %q: %v", want, b0)
+		}
+	}
+}
+
+func TestTeamsForClaimsDisabledReturnsNil(t *testing.T) {
+	p, err := CompilePolicy(nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got := p.TeamsForClaims([]string{"anything"}); got != nil {
+		t.Errorf("disabled policy matched %v, want nil", got)
+	}
+}
+
+func TestTeamsForClaimsDeduplicatesSameTeam(t *testing.T) {
+	// One team reachable via two claim values: presenting both must not
+	// return the team twice.
+	cfg := validAC()
+	cfg.Teams[0].ClaimValues = []string{"g-a", "g-b"}
+	p, err := CompilePolicy(cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got := p.TeamsForClaims([]string{"g-a", "g-b"}); len(got) != 1 {
+		t.Fatalf("TeamsForClaims returned %d teams, want 1 (deduped)", len(got))
+	}
+}
+
+func TestTeamsForClaims(t *testing.T) {
+	cfg := validAC()
+	// Second team sharing a claim value with the first: union case from the issue.
+	cfg.Teams = append(cfg.Teams, config.TeamConfig{
+		Name:               "backend-observers",
+		ClaimValues:        []string{"garage-team-backend"},
+		ClusterPermissions: []string{"cluster.statistics"},
+	})
+	p, err := CompilePolicy(cfg)
+	if err != nil {
+		t.Fatalf("CompilePolicy: %v", err)
+	}
+	got := p.TeamsForClaims([]string{"garage-team-backend"})
+	if len(got) != 2 {
+		t.Fatalf("TeamsForClaims matched %d teams, want 2 (shared claim value)", len(got))
+	}
+	if got := p.TeamsForClaims([]string{"unrelated"}); len(got) != 0 {
+		t.Fatalf("unrelated claim matched %d teams, want 0", len(got))
+	}
+}

backend/internal/authz/resolver.go

@@ -0,0 +1,55 @@
+package authz
+
+import (
+	"Noooste/garage-ui/internal/auth"
+)
+
+// TeamResolver maps an authenticated identity to an authorization Subject.
+// It is an interface so non-OIDC identity sources (deferred in v1) can plug
+// in later without touching middleware or handlers.
+type TeamResolver interface {
+	Resolve(userInfo *auth.UserInfo) Subject
+}
+
+type configTeamResolver struct {
+	policy     *Policy
+	adminRoles []string
+}
+
+// NewTeamResolver builds the v1 resolver: OIDC identities resolve through the
+// compiled policy; admin/token logins resolve to the synthetic admin subject
+// (non-OIDC team mapping is deferred).
+func NewTeamResolver(policy *Policy, adminRoles []string) TeamResolver {
+	return &configTeamResolver{policy: policy, adminRoles: adminRoles}
+}
+
+func (r *configTeamResolver) Resolve(userInfo *auth.UserInfo) Subject {
+	id := userInfo.Email
+	if id == "" {
+		id = userInfo.Username
+	}
+
+	// Trust only signed claims, never the transport channel: the auth method
+	// is a JWT claim stamped at login. Legacy sessions ("") resolve like OIDC
+	// so a replayed cookie can never escalate.
+	if userInfo.AuthMethod == "admin" || userInfo.AuthMethod == "token" {
+		return AdminSubject(id)
+	}
+
+	for _, role := range userInfo.Roles {
+		for _, adminRole := range r.adminRoles {
+			if role == adminRole {
+				return AdminSubject(id)
+			}
+		}
+	}
+
+	subj := Subject{ID: id, ClusterPerms: PermSet{}}
+	for _, team := range r.policy.TeamsForClaims(userInfo.Teams) {
+		subj.Bindings = append(subj.Bindings, team.Bindings...)
+		for perm := range team.ClusterPerms {
+			subj.ClusterPerms[perm] = struct{}{}
+		}
+	}
+	return subj
+}

backend/internal/authz/resolver_test.go

@@ -0,0 +1,93 @@
+package authz
+
+import (
+	"testing"
+
+	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/config"
+)
+
+func resolverFixture(t *testing.T) TeamResolver {
+	t.Helper()
+	policy, err := CompilePolicy(&config.AccessControlConfig{
+		Teams: []config.TeamConfig{
+			{
+				Name:        "backend",
+				ClaimValues: []string{"g-backend"},
+				Bindings: []config.BindingConfig{
+					{BucketPrefixes: []string{"backend-"}, Permissions: []string{"bucket.list", "bucket.read"}},
+				},
+				ClusterPermissions: []string{"cluster.status"},
+			},
+			{
+				Name:               "observers",
+				ClaimValues:        []string{"g-backend", "g-obs"},
+				ClusterPermissions: []string{"cluster.statistics"},
+			},
+		},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	return NewTeamResolver(policy, []string{"garage-admin"})
+}
+
+func TestResolveOIDCTeamUser(t *testing.T) {
+	r := resolverFixture(t)
+	s := r.Resolve(&auth.UserInfo{Email: "a@x.com", AuthMethod: "oidc", Teams: []string{"g-backend"}})
+	if s.IsAdmin {
+		t.Error("team user must not be admin")
+	}
+	if s.ID != "a@x.com" {
+		t.Errorf("ID = %q", s.ID)
+	}
+	if len(s.Bindings) != 1 {
+		t.Fatalf("bindings = %d, want 1", len(s.Bindings))
+	}
+	// Union across the two teams matched by g-backend.
+	if _, ok := s.ClusterPerms["cluster.status"]; !ok {
+		t.Error("missing cluster.status")
+	}
+	if _, ok := s.ClusterPerms["cluster.statistics"]; !ok {
+		t.Error("missing cluster.statistics from second team sharing the claim")
+	}
+}
+
+func TestResolveOIDCAdminRole(t *testing.T) {
+	r := resolverFixture(t)
+	s := r.Resolve(&auth.UserInfo{Username: "root", AuthMethod: "oidc", Roles: []string{"garage-admin"}})
+	if !s.IsAdmin {
+		t.Error("admin-role user must resolve to admin subject")
+	}
+}
+
+func TestResolveNonOIDCIsAdmin(t *testing.T) {
+	r := resolverFixture(t)
+	for _, method := range []string{"admin", "token"} {
+		s := r.Resolve(&auth.UserInfo{Username: "op", AuthMethod: method})
+		if !s.IsAdmin {
+			t.Errorf("method %q must resolve to admin (deferred: non-OIDC team mapping)", method)
+		}
+	}
+}
+
+func TestResolveLegacySessionFailsClosed(t *testing.T) {
+	// Pre-upgrade JWTs have no auth_method claim. Resolve them like OIDC:
+	// roles can still grant admin, but there is no channel-based trust.
+	r := resolverFixture(t)
+	s := r.Resolve(&auth.UserInfo{Username: "old", AuthMethod: ""})
+	if s.IsAdmin {
+		t.Error("legacy session without admin role must not be admin")
+	}
+	if len(s.Bindings) != 0 || len(s.ClusterPerms) != 0 {
+		t.Error("legacy session with no teams must have zero permissions")
+	}
+}
+
+func TestResolveZeroTeamUser(t *testing.T) {
+	r := resolverFixture(t)
+	s := r.Resolve(&auth.UserInfo{Email: "b@x.com", AuthMethod: "oidc", Teams: []string{"unmatched"}})
+	if s.IsAdmin || len(s.Bindings) != 0 || len(s.ClusterPerms) != 0 {
+		t.Errorf("zero-team subject must have nothing: %+v", s)
+	}
+}

backend/internal/authz/vocabulary.go

@@ -0,0 +1,136 @@
+// Package authz implements the UI-layer access-control policy for garage-ui.
+//
+// IMPORTANT: this is UI-layer policy, not a security boundary. garage-ui talks
+// to Garage with a single admin token and a single S3 credential set; anyone
+// holding those bypasses everything here.
+package authz
+
+import "strings"
+
+// ScopeKind says what a permission applies to.
+type ScopeKind int
+
+const (
+	// ScopeGlobal permissions are all-or-nothing per team (cluster_permissions).
+	ScopeGlobal ScopeKind = iota
+	// ScopePrefix permissions are gated by a binding's bucket_prefixes.
+	ScopePrefix
+)
+
+// PermSpec describes one abstract permission. Endpoints lists the Garage admin
+// API endpoint names (or S3 data-plane operations) the permission maps to.
+// This registry is the only place those names appear in authz.
+type PermSpec struct {
+	Scope     ScopeKind
+	AdminOnly bool // not grantable to teams in v1; only the synthetic admin subject holds it
+	Endpoints []string
+}
+
+// Permission constants for every permission referenced from route wiring.
+const (
+	PermBucketList        = "bucket.list"
+	PermBucketRead        = "bucket.read"
+	PermBucketCreate      = "bucket.create"
+	PermBucketUpdate      = "bucket.update"
+	PermBucketDelete      = "bucket.delete"
+	PermObjectList        = "object.list"
+	PermObjectRead        = "object.read"
+	PermObjectWrite       = "object.write"
+	PermObjectDelete      = "object.delete"
+	PermAllowBucketKey    = "permission.allow_bucket_key"
+	PermDenyBucketKey     = "permission.deny_bucket_key"
+	PermKeyList           = "key.list"
+	PermKeyRead           = "key.read"
+	PermKeyReadSecret     = "key.read_secret"
+	PermKeyCreate         = "key.create"
+	PermKeyUpdate         = "key.update"
+	PermKeyDelete         = "key.delete"
+	PermClusterStatus     = "cluster.status"
+	PermClusterHealth     = "cluster.health"
+	PermClusterStatistics = "cluster.statistics"
+	PermNodeInfo          = "node.info"
+	PermNodeStatistics    = "node.statistics"
+)
+
+// Vocabulary is the full v1 permission registry, ratified in issue #33.
+// admin_token.* is deliberately absent (admin-only implicitly, not modeled).
+var Vocabulary = map[string]PermSpec{
+	"bucket.list":            {Scope: ScopePrefix, Endpoints: []string{"ListBuckets"}},
+	"bucket.read":            {Scope: ScopePrefix, Endpoints: []string{"GetBucketInfo"}},
+	"bucket.create":          {Scope: ScopePrefix, Endpoints: []string{"CreateBucket"}},
+	"bucket.update":          {Scope: ScopePrefix, Endpoints: []string{"UpdateBucket"}},
+	"bucket.delete":          {Scope: ScopePrefix, Endpoints: []string{"DeleteBucket"}},
+	"bucket.cleanup_uploads": {Scope: ScopePrefix, Endpoints: []string{"CleanupIncompleteUploads"}},
+	"bucket.inspect_object":  {Scope: ScopePrefix, Endpoints: []string{"InspectObject"}},
+
+	"bucket_alias.add":    {Scope: ScopePrefix, Endpoints: []string{"AddBucketAlias"}},
+	"bucket_alias.remove": {Scope: ScopePrefix, Endpoints: []string{"RemoveBucketAlias"}},
+
+	// S3 data plane (object browser), no Garage admin endpoint.
+	"object.list":   {Scope: ScopePrefix, Endpoints: []string{"S3:ListObjectsV2"}},
+	"object.read":   {Scope: ScopePrefix, Endpoints: []string{"S3:GetObject", "S3:HeadObject", "S3:PresignGet"}},
+	"object.write":  {Scope: ScopePrefix, Endpoints: []string{"S3:PutObject"}},
+	"object.delete": {Scope: ScopePrefix, Endpoints: []string{"S3:DeleteObject", "S3:DeleteObjects"}},
+
+	"permission.allow_bucket_key": {Scope: ScopePrefix, Endpoints: []string{"AllowBucketKey"}},
+	"permission.deny_bucket_key":  {Scope: ScopePrefix, Endpoints: []string{"DenyBucketKey"}},
+
+	"key.list":        {Scope: ScopeGlobal, Endpoints: []string{"ListKeys"}},
+	"key.read":        {Scope: ScopeGlobal, Endpoints: []string{"GetKeyInfo"}},
+	"key.read_secret": {Scope: ScopeGlobal, AdminOnly: true, Endpoints: []string{"GetKeyInfo(showSecretKey)"}},
+	"key.create":      {Scope: ScopeGlobal, AdminOnly: true, Endpoints: []string{"CreateKey"}},
+	"key.import":      {Scope: ScopeGlobal, AdminOnly: true, Endpoints: []string{"ImportKey"}},
+	"key.update":      {Scope: ScopeGlobal, AdminOnly: true, Endpoints: []string{"UpdateKey"}},
+	"key.delete":      {Scope: ScopeGlobal, AdminOnly: true, Endpoints: []string{"DeleteKey"}},
+
+	"cluster.status":        {Scope: ScopeGlobal, Endpoints: []string{"GetClusterStatus"}},
+	"cluster.health":        {Scope: ScopeGlobal, Endpoints: []string{"GetClusterHealth"}},
+	"cluster.statistics":    {Scope: ScopeGlobal, Endpoints: []string{"GetClusterStatistics"}},
+	"cluster.connect_nodes": {Scope: ScopeGlobal, Endpoints: []string{"ConnectClusterNodes"}},
+
+	"cluster.layout.read":            {Scope: ScopeGlobal, Endpoints: []string{"GetClusterLayout"}},
+	"cluster.layout.history":         {Scope: ScopeGlobal, Endpoints: []string{"GetClusterLayoutHistory"}},
+	"cluster.layout.apply":           {Scope: ScopeGlobal, Endpoints: []string{"ApplyClusterLayout"}},
+	"cluster.layout.skip_dead_nodes": {Scope: ScopeGlobal, Endpoints: []string{"ClusterLayoutSkipDeadNodes"}},
+
+	"node.info":       {Scope: ScopeGlobal, Endpoints: []string{"GetNodeInfo"}},
+	"node.statistics": {Scope: ScopeGlobal, Endpoints: []string{"GetNodeStatistics"}},
+	"node.snapshot":   {Scope: ScopeGlobal, Endpoints: []string{"CreateMetadataSnapshot"}},
+	"node.repair":     {Scope: ScopeGlobal, Endpoints: []string{"LaunchRepairOperation"}},
+
+	"worker.list":         {Scope: ScopeGlobal, Endpoints: []string{"ListWorkers"}},
+	"worker.info":         {Scope: ScopeGlobal, Endpoints: []string{"GetWorkerInfo"}},
+	"worker.get_variable": {Scope: ScopeGlobal, Endpoints: []string{"GetWorkerVariable"}},
+	"worker.set_variable": {Scope: ScopeGlobal, Endpoints: []string{"SetWorkerVariable"}},
+
+	"block.list_errors": {Scope: ScopeGlobal, Endpoints: []string{"ListBlockErrors"}},
+	"block.info":        {Scope: ScopeGlobal, Endpoints: []string{"GetBlockInfo"}},
+}
+
+// IsValidPermission reports whether p names a concrete vocabulary entry.
+// Globs are patterns, not permissions, and return false.
+func IsValidPermission(p string) bool {
+	_, ok := Vocabulary[p]
+	return ok
+}
+
+// ExpandGlob expands a trailing-star pattern ("bucket.*", "cluster.layout.*",
+// bare "*") against the vocabulary. Admin-only permissions are never matched
+// by globs; they must be held via the synthetic admin subject. Returns nil
+// when the pattern matches nothing or has no trailing star.
+func ExpandGlob(pattern string) []string {
+	if !strings.HasSuffix(pattern, "*") {
+		return nil
+	}
+	prefix := strings.TrimSuffix(pattern, "*")
+	var out []string
+	for name, spec := range Vocabulary {
+		if spec.AdminOnly {
+			continue
+		}
+		if strings.HasPrefix(name, prefix) {
+			out = append(out, name)
+		}
+	}
+	return out
+}

backend/internal/authz/vocabulary_test.go

@@ -0,0 +1,122 @@
+package authz
+
+import (
+	"sort"
+	"testing"
+)
+
+func TestExpandGlobRejectsNonGlob(t *testing.T) {
+	// A pattern without a trailing star is not a glob and expands to nothing.
+	if got := ExpandGlob("bucket.read"); got != nil {
+		t.Errorf("ExpandGlob(%q) = %v, want nil", "bucket.read", got)
+	}
+}
+
+func TestVocabularyContainsRatifiedPermissions(t *testing.T) {
+	// Spot-check one permission per family plus scope/admin flags.
+	cases := []struct {
+		perm      string
+		scope     ScopeKind
+		adminOnly bool
+	}{
+		{"bucket.list", ScopePrefix, false},
+		{"bucket.read", ScopePrefix, false},
+		{"bucket.create", ScopePrefix, false},
+		{"bucket_alias.add", ScopePrefix, false},
+		{"object.list", ScopePrefix, false},
+		{"object.read", ScopePrefix, false},
+		{"object.write", ScopePrefix, false},
+		{"object.delete", ScopePrefix, false},
+		{"permission.allow_bucket_key", ScopePrefix, false},
+		{"key.list", ScopeGlobal, false},
+		{"key.read", ScopeGlobal, false},
+		{"key.read_secret", ScopeGlobal, true},
+		{"key.create", ScopeGlobal, true},
+		{"key.import", ScopeGlobal, true},
+		{"key.update", ScopeGlobal, true},
+		{"key.delete", ScopeGlobal, true},
+		{"cluster.status", ScopeGlobal, false},
+		{"cluster.layout.apply", ScopeGlobal, false},
+		{"node.repair", ScopeGlobal, false},
+		{"worker.set_variable", ScopeGlobal, false},
+		{"block.info", ScopeGlobal, false},
+	}
+	for _, tc := range cases {
+		spec, ok := Vocabulary[tc.perm]
+		if !ok {
+			t.Errorf("missing permission %q", tc.perm)
+			continue
+		}
+		if spec.Scope != tc.scope {
+			t.Errorf("%s: scope = %v, want %v", tc.perm, spec.Scope, tc.scope)
+		}
+		if spec.AdminOnly != tc.adminOnly {
+			t.Errorf("%s: adminOnly = %v, want %v", tc.perm, spec.AdminOnly, tc.adminOnly)
+		}
+	}
+	if _, ok := Vocabulary["admin_token.list"]; ok {
+		t.Error("admin_token.* must not be in the v1 vocabulary")
+	}
+	if len(Vocabulary) != 40 {
+		t.Errorf("vocabulary size = %d, want 40", len(Vocabulary))
+	}
+}
+
+func TestIsValidPermission(t *testing.T) {
+	if !IsValidPermission("bucket.read") {
+		t.Error("bucket.read should be valid")
+	}
+	if IsValidPermission("bucket.explode") {
+		t.Error("bucket.explode should be invalid")
+	}
+	if IsValidPermission("bucket.*") {
+		t.Error("globs are not permissions; IsValidPermission must reject them")
+	}
+}
+
+func TestExpandGlob(t *testing.T) {
+	got := ExpandGlob("object.*")
+	sort.Strings(got)
+	want := []string{"object.delete", "object.list", "object.read", "object.write"}
+	if len(got) != len(want) {
+		t.Fatalf("object.* expanded to %v, want %v", got, want)
+	}
+	for i := range want {
+		if got[i] != want[i] {
+			t.Fatalf("object.* expanded to %v, want %v", got, want)
+		}
+	}
+
+	// key.* must NOT include admin-only permissions.
+	for _, p := range ExpandGlob("key.*") {
+		if Vocabulary[p].AdminOnly {
+			t.Errorf("glob expansion included admin-only permission %q", p)
+		}
+	}
+
+	// cluster.* includes cluster.layout.* (prefix match on the dotted name).
+	found := false
+	for _, p := range ExpandGlob("cluster.*") {
+		if p == "cluster.layout.apply" {
+			found = true
+		}
+	}
+	if !found {
+		t.Error("cluster.* should include cluster.layout.apply")
+	}
+
+	// Bare * expands to every non-admin-only permission.
+	star := ExpandGlob("*")
+	if len(star) == 0 {
+		t.Fatal("* expanded to nothing")
+	}
+	for _, p := range star {
+		if Vocabulary[p].AdminOnly {
+			t.Errorf("* expansion included admin-only permission %q", p)
+		}
+	}
+
+	if got := ExpandGlob("nonexistent.*"); got != nil {
+		t.Errorf("nonexistent.* should expand to nil, got %v", got)
+	}
+}

backend/internal/config/config.go

@@ -2,19 +2,24 @@ package config
 
 import (
 	"fmt"
+	"net"
 	"os"
+	"strconv"
 	"strings"
 
 	"github.com/spf13/viper"
+
+	"Noooste/garage-ui/pkg/logger"
 )
 
 // Config represents the application configuration
 type Config struct {
-	Server  ServerConfig  `mapstructure:"server"`
-	Garage  GarageConfig  `mapstructure:"garage"`
-	Auth    AuthConfig    `mapstructure:"auth"`
-	CORS    CORSConfig    `mapstructure:"cors"`
-	Logging LoggingConfig `mapstructure:"logging"`
+	Server        ServerConfig         `mapstructure:"server"`
+	Garage        GarageConfig         `mapstructure:"garage"`
+	Auth          AuthConfig           `mapstructure:"auth"`
+	CORS          CORSConfig           `mapstructure:"cors"`
+	Logging       LoggingConfig        `mapstructure:"logging"`
+	AccessControl *AccessControlConfig `mapstructure:"access_control"`
 }
 
 // ServerConfig contains server-related configuration
@@ -46,6 +51,7 @@ 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 +62,12 @@ 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"`
@@ -70,7 +82,9 @@ type OIDCConfig struct {
 	UsernameAttribute string   `mapstructure:"username_attribute"`
 	NameAttribute     string   `mapstructure:"name_attribute"`
 	RoleAttributePath string   `mapstructure:"role_attribute_path"`
+	TeamAttributePath string   `mapstructure:"team_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"`
@@ -79,6 +93,29 @@ 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"`
@@ -95,8 +132,55 @@ type LoggingConfig struct {
 	Format string `mapstructure:"format"`
 }
 
+// AccessControlConfig is the optional access_control section. nil (section
+// absent) preserves historical behavior: every authenticated user is admin.
+// When present, authorization is default-deny and detailed policy validation
+// happens in internal/authz.CompilePolicy at startup.
+// This section is config-file only (no env-var binding: nested lists don't
+// map to flat env vars).
+type AccessControlConfig struct {
+	Presets map[string][]string `mapstructure:"presets"`
+	Teams   []TeamConfig        `mapstructure:"teams"`
+}
+
+// TeamConfig binds a set of IdP claim values to bucket-prefix bindings and
+// cluster-level permissions.
+type TeamConfig struct {
+	Name               string          `mapstructure:"name"`
+	ClaimValues        []string        `mapstructure:"claim_values"`
+	Bindings           []BindingConfig `mapstructure:"bindings"`
+	ClusterPermissions []string        `mapstructure:"cluster_permissions"`
+}
+
+// BindingConfig grants a set of permissions (or presets) over buckets whose
+// names match one of the given prefixes.
+type BindingConfig struct {
+	BucketPrefixes []string `mapstructure:"bucket_prefixes"`
+	Permissions    []string `mapstructure:"permissions"`
+}
+
+// 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"
@@ -106,6 +190,32 @@ 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")
+	viper.SetDefault("auth.oidc.cookie_name", "garage_session")
+	viper.SetDefault("auth.oidc.cookie_http_only", true)
+	viper.SetDefault("auth.oidc.cookie_same_site", "lax")
+	viper.SetDefault("auth.oidc.session_max_age", 86400)
+
+	// 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()
@@ -115,6 +225,13 @@ 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 {
@@ -128,6 +245,16 @@ func Load(configPath string) (*Config, error) {
 		return nil, fmt.Errorf("error unmarshaling config: %w", err)
 	}
 
+	// mapstructure leaves AccessControl nil when the section is present but
+	// decodes to an empty map (e.g. "access_control: {}"), even though
+	// viper.IsSet still reports it present. AccessControlConfig's documented
+	// semantics are presence-based, not content-based ("nil = absent =
+	// historical behavior"; "present, even empty = enabled default-deny"),
+	// so force allocation here rather than silently falling back to nil.
+	if cfg.AccessControl == nil && viper.IsSet("access_control") {
+		cfg.AccessControl = &AccessControlConfig{}
+	}
+
 	// Validate the configuration
 	if err := cfg.Validate(); err != nil {
 		return nil, fmt.Errorf("invalid configuration: %w", err)
@@ -165,6 +292,9 @@ 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")
@@ -178,7 +308,9 @@ func bindEnvVars() {
 	viper.BindEnv("auth.oidc.username_attribute", "GARAGE_UI_AUTH_OIDC_USERNAME_ATTRIBUTE")
 	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.team_attribute_path", "GARAGE_UI_AUTH_OIDC_TEAM_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")
@@ -199,6 +331,50 @@ 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
@@ -238,12 +414,15 @@ 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. An empty
-		// admin_role would therefore promote every user in the IdP realm
-		// to cluster admin. Require operators to opt in explicitly.
-		if c.Auth.OIDC.AdminRole == "" {
-			return fmt.Errorf("oidc admin_role is required when oidc is enabled: leaving it empty would grant cluster-admin access to any authenticated IdP user")
+		// With access_control configured, default-deny protects unmatched
+		// users, so admin roles become optional. Without it, every
+		// authenticated route grants full admin access, so an empty admin
+		// role list would promote every IdP user to cluster admin.
+		if c.AccessControl == nil && len(c.Auth.OIDC.EffectiveAdminRoles()) == 0 {
+			return fmt.Errorf("oidc admin_role or admin_roles is required when oidc is enabled without access_control: leaving them empty would grant cluster-admin access to any authenticated IdP user")
+		}
+		if c.AccessControl != nil && len(c.AccessControl.Teams) > 0 && c.Auth.OIDC.TeamAttributePath == "" {
+			return fmt.Errorf("auth.oidc.team_attribute_path is required when access_control.teams is set: teams cannot be resolved without it")
 		}
 	}
 
@@ -252,7 +431,7 @@ 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

@@ -3,6 +3,7 @@ package config
 import (
 	"os"
 	"path/filepath"
+	"reflect"
 	"strings"
 	"testing"
 
@@ -82,6 +83,9 @@ func TestLoad_EnvOnly_MissingFile(t *testing.T) {
 	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)
 	}
@@ -292,13 +296,50 @@ func TestValidate(t *testing.T) {
 				applyValidOIDC(c)
 				c.Auth.OIDC.AdminRole = ""
 			},
-			wantErrContains: "oidc admin_role is required",
+			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: "access_control teams without team_attribute_path rejected",
+			mutate: func(c *Config) {
+				applyValidOIDC(c)
+				c.Auth.OIDC.TeamAttributePath = ""
+				c.AccessControl = &AccessControlConfig{
+					Teams: []TeamConfig{{Name: "t", ClaimValues: []string{"g"}}},
+				}
+			},
+			wantErrContains: "team_attribute_path is required",
+		},
 		{
 			name: "oidc disabled ignores missing client_id",
 			mutate: func(c *Config) {
@@ -340,6 +381,8 @@ func TestGetAddress(t *testing.T) {
 	}{
 		{"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 {
@@ -374,6 +417,463 @@ func TestIsDevelopment(t *testing.T) {
 	}
 }
 
+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)
+	}
+}
+
+// oidcValidYAML is a minimal configuration that enables OIDC and passes
+// Validate, but deliberately omits auth.oidc.cookie_name.
+const oidcValidYAML = `
+server:
+  host: "0.0.0.0"
+  port: 8080
+  root_url: "https://garage.example.com"
+garage:
+  endpoint: http://garage:3900
+  admin_endpoint: http://garage:3903
+  admin_token: supersecret
+auth:
+  oidc:
+    enabled: true
+    client_id: "garage-ui"
+    issuer_url: "https://idp.example.com/realms/main"
+    scopes:
+      - openid
+    admin_roles:
+      - "garage-ui-admin"
+`
+
+func TestLoad_OIDCCookieNameDefaultsWhenUnset(t *testing.T) {
+	resetViper(t)
+	path := writeConfigFile(t, oidcValidYAML)
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	// An empty cookie name makes Fiber silently drop the session Set-Cookie
+	// (net/http rejects empty cookie names), which manifests as an OIDC login
+	// loop. A non-empty default prevents that footgun.
+	if cfg.Auth.OIDC.CookieName != "garage_session" {
+		t.Errorf("CookieName = %q, want garage_session (default)", cfg.Auth.OIDC.CookieName)
+	}
+}
+
+func TestLoad_OIDCCookieNameExplicitValueWins(t *testing.T) {
+	resetViper(t)
+	path := writeConfigFile(t, oidcValidYAML+"    cookie_name: \"custom_session\"\n")
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Auth.OIDC.CookieName != "custom_session" {
+		t.Errorf("CookieName = %q, want custom_session (explicit override)", cfg.Auth.OIDC.CookieName)
+	}
+}
+
+func TestLoad_OIDCCookieDefaultsWhenUnset(t *testing.T) {
+	resetViper(t)
+	path := writeConfigFile(t, oidcValidYAML)
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	// HTTPOnly must default to true: a session cookie readable from JavaScript
+	// is an XSS token-theft risk.
+	if !cfg.Auth.OIDC.CookieHTTPOnly {
+		t.Errorf("CookieHTTPOnly = false, want true (default)")
+	}
+	// SessionMaxAge must default to a positive value so the cookie's MaxAge
+	// agrees with the 24h JWT instead of becoming a session-only cookie.
+	if cfg.Auth.OIDC.SessionMaxAge != 86400 {
+		t.Errorf("SessionMaxAge = %d, want 86400 (default)", cfg.Auth.OIDC.SessionMaxAge)
+	}
+	if cfg.Auth.OIDC.CookieSameSite != "lax" {
+		t.Errorf("CookieSameSite = %q, want lax (default)", cfg.Auth.OIDC.CookieSameSite)
+	}
+}
+
+func TestLoad_OIDCCookieDefaultsCanBeOverridden(t *testing.T) {
+	resetViper(t)
+	yaml := oidcValidYAML +
+		"    cookie_http_only: false\n" +
+		"    session_max_age: 3600\n" +
+		"    cookie_same_site: \"strict\"\n"
+	path := writeConfigFile(t, yaml)
+
+	cfg, err := Load(path)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.Auth.OIDC.CookieHTTPOnly {
+		t.Errorf("CookieHTTPOnly = true, want false (explicit override)")
+	}
+	if cfg.Auth.OIDC.SessionMaxAge != 3600 {
+		t.Errorf("SessionMaxAge = %d, want 3600 (explicit override)", cfg.Auth.OIDC.SessionMaxAge)
+	}
+	if cfg.Auth.OIDC.CookieSameSite != "strict" {
+		t.Errorf("CookieSameSite = %q, want strict (explicit override)", cfg.Auth.OIDC.CookieSameSite)
+	}
+}
+
+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 TestAccessControlConfigParsing(t *testing.T) {
+	resetViper(t)
+	dir := t.TempDir()
+	cfgFile := filepath.Join(dir, "config.yaml")
+	yaml := `
+server:
+  port: 8080
+garage:
+  endpoint: "http://localhost:3900"
+  admin_endpoint: "http://localhost:3903"
+  admin_token: "test-token"
+auth:
+  oidc:
+    enabled: false
+    team_attribute_path: "groups"
+access_control:
+  presets:
+    bucket_readonly: [bucket.list, bucket.read]
+  teams:
+    - name: backend
+      claim_values: ["garage-team-backend"]
+      bindings:
+        - bucket_prefixes: ["backend-"]
+          permissions: ["preset:bucket_readonly", "bucket.create"]
+      cluster_permissions: [cluster.status]
+`
+	if err := os.WriteFile(cfgFile, []byte(yaml), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	cfg, err := Load(cfgFile)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.AccessControl == nil {
+		t.Fatal("AccessControl is nil, want parsed section")
+	}
+	if got := cfg.Auth.OIDC.TeamAttributePath; got != "groups" {
+		t.Errorf("TeamAttributePath = %q, want groups", got)
+	}
+	if len(cfg.AccessControl.Teams) != 1 {
+		t.Fatalf("teams = %d, want 1", len(cfg.AccessControl.Teams))
+	}
+	team := cfg.AccessControl.Teams[0]
+	if team.Name != "backend" || len(team.Bindings) != 1 {
+		t.Errorf("unexpected team: %+v", team)
+	}
+	if team.Bindings[0].BucketPrefixes[0] != "backend-" {
+		t.Errorf("prefix = %q", team.Bindings[0].BucketPrefixes[0])
+	}
+	if cfg.AccessControl.Presets["bucket_readonly"][0] != "bucket.list" {
+		t.Errorf("preset parse failed: %+v", cfg.AccessControl.Presets)
+	}
+}
+
+func TestAccessControlAbsentIsNil(t *testing.T) {
+	resetViper(t)
+	dir := t.TempDir()
+	cfgFile := filepath.Join(dir, "config.yaml")
+	yaml := `
+garage:
+  endpoint: "http://localhost:3900"
+  admin_endpoint: "http://localhost:3903"
+  admin_token: "test-token"
+`
+	if err := os.WriteFile(cfgFile, []byte(yaml), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	cfg, err := Load(cfgFile)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.AccessControl != nil {
+		t.Fatalf("AccessControl = %+v, want nil when section absent", cfg.AccessControl)
+	}
+}
+
+func TestAccessControlPresentButEmptyIsNonNil(t *testing.T) {
+	// A present-but-empty access_control section pins the enablement
+	// semantics documented on AccessControlConfig: presence, not content,
+	// turns on default-deny. An operator who writes "access_control: {}"
+	// (e.g. while staging a config) must get a non-nil, enabled policy, not
+	// silently fall back to "every authenticated user is admin".
+	resetViper(t)
+	dir := t.TempDir()
+	cfgFile := filepath.Join(dir, "config.yaml")
+	yaml := `
+garage:
+  endpoint: "http://localhost:3900"
+  admin_endpoint: "http://localhost:3903"
+  admin_token: "test-token"
+access_control: {}
+`
+	if err := os.WriteFile(cfgFile, []byte(yaml), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	cfg, err := Load(cfgFile)
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	if cfg.AccessControl == nil {
+		t.Fatal("AccessControl = nil, want non-nil when section is present but empty")
+	}
+	if len(cfg.AccessControl.Teams) != 0 {
+		t.Errorf("Teams = %+v, want empty", cfg.AccessControl.Teams)
+	}
+}
+
+func TestOIDCAdminRolesOptionalWithAccessControl(t *testing.T) {
+	// With access_control present, OIDC no longer requires admin_role:
+	// default-deny protects unmatched users.
+	cfg := &Config{
+		Server: ServerConfig{Port: 8080, RootURL: "https://ui.example.com"},
+		Garage: GarageConfig{Endpoint: "e", AdminEndpoint: "a", AdminToken: "t"},
+		Auth: AuthConfig{OIDC: OIDCConfig{
+			Enabled: true, ClientID: "id", IssuerURL: "https://idp", Scopes: []string{"openid"},
+		}},
+		AccessControl: &AccessControlConfig{},
+	}
+	if err := cfg.Validate(); err != nil {
+		t.Errorf("Validate with access_control and no admin_role: %v, want nil", err)
+	}
+	cfg.AccessControl = nil
+	if err := cfg.Validate(); err == nil {
+		t.Error("Validate without access_control and no admin_role should fail")
+	}
+}
+
 func TestIsProduction(t *testing.T) {
 	tests := []struct {
 		env  string

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"
@@ -38,6 +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
@@ -88,7 +93,8 @@ func (h *AuthHandler) LoginAdmin(c fiber.Ctx) error {
 
 	// Create user info object
 	userInfo := &auth.UserInfo{
-		Username: req.Username,
+		Username:   req.Username,
+		AuthMethod: "admin",
 	}
 
 	// Generate JWT session token
@@ -108,6 +114,48 @@ 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",
+		AuthMethod: "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

backend/internal/handlers/auth_test.go

@@ -250,6 +250,139 @@ func TestLoginAdmin_MalformedJSONReturns400(t *testing.T) {
 	}
 }
 
+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)

backend/internal/handlers/buckets.go

@@ -1,6 +1,7 @@
 package handlers
 
 import (
+	"Noooste/garage-ui/internal/authz"
 	"Noooste/garage-ui/internal/models"
 	"Noooste/garage-ui/internal/services"
 
@@ -74,11 +75,16 @@ func (h *BucketHandler) ListBuckets(c fiber.Ctx) error {
 			Size:          &detailedInfo.Bytes,
 			WebsiteAccess: detailedInfo.WebsiteAccess,
 			WebsiteConfig: detailedInfo.WebsiteConfig,
+			Quotas:        detailedInfo.Quotas,
 		}
 
 		buckets = append(buckets, bucketInfo)
 	}
 
+	if subj, ok := authz.SubjectFrom(c); ok {
+		buckets = filterBucketsForSubject(buckets, subj)
+	}
+
 	response := models.BucketListResponse{
 		Buckets: buckets,
 		Count:   len(buckets),
@@ -230,6 +236,10 @@ func (h *BucketHandler) GetBucketInfo(c fiber.Ctx) error {
 		)
 	}
 
+	if subj, ok := authz.SubjectFrom(c); ok {
+		bucketInfo.EffectivePermissions = authz.EffectivePermissions(subj, bucketName)
+	}
+
 	return c.JSON(models.SuccessResponse(bucketInfo))
 }
 
@@ -287,23 +297,60 @@ 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)
-	if err != nil {
-		return c.Status(fiber.StatusInternalServerError).JSON(
-			models.ErrorResponse(models.ErrCodeInternalError, "Failed to grant permissions: "+err.Error()),
-		)
+	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))
@@ -382,3 +429,89 @@ func (h *BucketHandler) UpdateBucketWebsite(c fiber.Ctx) 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()),
+		)
+	}
+
+	return c.JSON(models.SuccessResponse(result))
+}
+
+// filterBucketsForSubject applies the access-control view of a bucket list:
+// a bucket is visible iff the subject holds bucket.list for it, and each
+// visible bucket carries the subject's effective permissions.
+func filterBucketsForSubject(buckets []models.BucketInfo, subj authz.Subject) []models.BucketInfo {
+	out := make([]models.BucketInfo, 0, len(buckets))
+	for _, b := range buckets {
+		if !authz.Decide(subj, authz.PermBucketList, authz.Resource{Bucket: b.Name}).Allow {
+			continue
+		}
+		b.EffectivePermissions = authz.EffectivePermissions(subj, b.Name)
+		out = append(out, b)
+	}
+	return out
+}

backend/internal/handlers/buckets_authz_test.go

@@ -0,0 +1,46 @@
+package handlers
+
+import (
+	"testing"
+
+	"Noooste/garage-ui/internal/authz"
+	"Noooste/garage-ui/internal/models"
+)
+
+func teamSubject() authz.Subject {
+	return authz.Subject{
+		ID: "alice",
+		Bindings: []authz.Binding{{
+			BucketPrefixes: []string{"backend-"},
+			Permissions:    authz.PermSet{"bucket.list": {}, "bucket.read": {}, "object.read": {}},
+		}},
+	}
+}
+
+func TestFilterBucketsForSubject(t *testing.T) {
+	buckets := []models.BucketInfo{
+		{Name: "backend-api"},
+		{Name: "backend-assets"},
+		{Name: "data-warehouse"},
+	}
+	got := filterBucketsForSubject(buckets, teamSubject())
+	if len(got) != 2 {
+		t.Fatalf("filtered to %d buckets, want 2", len(got))
+	}
+	for _, b := range got {
+		if b.Name == "data-warehouse" {
+			t.Error("data-warehouse must be filtered out")
+		}
+		if len(b.EffectivePermissions) == 0 {
+			t.Errorf("%s: effective_permissions must be populated", b.Name)
+		}
+	}
+}
+
+func TestFilterBucketsAdminSeesAll(t *testing.T) {
+	buckets := []models.BucketInfo{{Name: "a"}, {Name: "b"}}
+	got := filterBucketsForSubject(buckets, authz.AdminSubject("root"))
+	if len(got) != 2 {
+		t.Fatalf("admin sees %d buckets, want 2", len(got))
+	}
+}

backend/internal/handlers/buckets_getinfo_test.go

@@ -0,0 +1,45 @@
+package handlers
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"Noooste/garage-ui/internal/authz"
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services/mocks"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func TestGetBucketInfoPopulatesEffectivePermissions(t *testing.T) {
+	admin := &mocks.AdminMock{}
+	admin.GetBucketInfoByAliasFn = func(_ context.Context, _ string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: "id-1"}, nil
+	}
+	h := NewBucketHandler(admin, nil)
+
+	app := fiber.New()
+	app.Get("/buckets/:name", func(c fiber.Ctx) error {
+		c.Locals(authz.SubjectLocalsKey, teamSubject())
+		return h.GetBucketInfo(c)
+	})
+
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/backend-api", 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)
+	}
+
+	var body struct {
+		Data models.GarageBucketInfo `json:"data"`
+	}
+	decodeJSON(t, resp.Body, &body)
+	if len(body.Data.EffectivePermissions) == 0 {
+		t.Error("effective_permissions must be populated for a subject in scope of the bucket")
+	}
+}

backend/internal/handlers/buckets_test.go

@@ -29,6 +29,7 @@ func newBucketsTestApp(t *testing.T) (*fiber.App, *mocks.AdminMock) {
 	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
 }
 
@@ -294,10 +295,19 @@ func TestGrantBucketPermission_Success(t *testing.T) {
 	}
 	admin.AllowBucketKeyFn = func(_ context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
 		if req.BucketID != "id-1" || req.AccessKeyID != "AKIA" {
-			t.Errorf("req = %+v", req)
+			t.Errorf("allow req = %+v", req)
 		}
 		if !req.Permissions.Read || !req.Permissions.Write || req.Permissions.Owner {
-			t.Errorf("perms = %+v", req.Permissions)
+			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
 	}
@@ -417,3 +427,196 @@ func TestUpdateBucketWebsite_Disable(t *testing.T) {
 		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 +1,74 @@
+package handlers
+
+import (
+	"sort"
+
+	"Noooste/garage-ui/internal/authz"
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+type CapabilitiesHandler struct {
+	apiVersion           string
+	capabilities         services.Capabilities
+	accessControlEnabled bool
+}
+
+func NewCapabilitiesHandler(apiVersion string, capabilities services.Capabilities, accessControlEnabled bool) *CapabilitiesHandler {
+	return &CapabilitiesHandler{
+		apiVersion:           apiVersion,
+		capabilities:         capabilities,
+		accessControlEnabled: accessControlEnabled,
+	}
+}
+
+// accessControlBinding mirrors one compiled binding, unflattened: "read on
+// backend-*" plus "write on data-*" must never merge into both-on-both.
+type accessControlBinding struct {
+	BucketPrefixes []string `json:"bucket_prefixes"`
+	Permissions    []string `json:"permissions"`
+}
+
+type accessControlBlock struct {
+	Enabled            bool                   `json:"enabled"`
+	Subject            string                 `json:"subject,omitempty"`
+	IsAdmin            bool                   `json:"is_admin,omitempty"`
+	Bindings           []accessControlBinding `json:"bindings,omitempty"`
+	ClusterPermissions []string               `json:"cluster_permissions,omitempty"`
+}
+
+func (h *CapabilitiesHandler) GetCapabilities(c fiber.Ctx) error {
+	ac := accessControlBlock{Enabled: h.accessControlEnabled}
+	if h.accessControlEnabled {
+		if subj, ok := authz.SubjectFrom(c); ok {
+			ac.Subject = subj.ID
+			ac.IsAdmin = subj.IsAdmin
+			for _, b := range subj.Bindings {
+				ac.Bindings = append(ac.Bindings, accessControlBinding{
+					BucketPrefixes: b.BucketPrefixes,
+					Permissions:    sortedPerms(b.Permissions),
+				})
+			}
+			ac.ClusterPermissions = sortedPerms(subj.ClusterPerms)
+		}
+	}
+	return c.JSON(models.SuccessResponse(fiber.Map{
+		"garageApiVersion": h.apiVersion,
+		"features":         h.capabilities,
+		"access_control":   ac,
+	}))
+}
+
+func sortedPerms(set authz.PermSet) []string {
+	if len(set) == 0 {
+		return nil
+	}
+	out := make([]string, 0, len(set))
+	for p := range set {
+		out = append(out, p)
+	}
+	sort.Strings(out)
+	return out
+}

backend/internal/handlers/capabilities_test.go

@@ -0,0 +1,161 @@
+package handlers
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"Noooste/garage-ui/internal/authz"
+	"Noooste/garage-ui/internal/services"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+func TestCapabilities_V2(t *testing.T) {
+	app := fiber.New()
+	h := NewCapabilitiesHandler("v2", services.CapabilitiesV2(), false)
+	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(), false)
+	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)
+	}
+}
+
+func TestSortedPermsEmptyReturnsNil(t *testing.T) {
+	if got := sortedPerms(authz.PermSet{}); got != nil {
+		t.Errorf("sortedPerms(empty) = %v, want nil", got)
+	}
+	if got := sortedPerms(nil); got != nil {
+		t.Errorf("sortedPerms(nil) = %v, want nil", got)
+	}
+}
+
+func TestGetCapabilitiesAccessControlDisabled(t *testing.T) {
+	h := NewCapabilitiesHandler("v2", services.CapabilitiesV2(), false)
+	app := fiber.New()
+	app.Get("/capabilities", h.GetCapabilities)
+	resp, err := app.Test(httptest.NewRequest("GET", "/capabilities", nil))
+	if err != nil {
+		t.Fatal(err)
+	}
+	body, _ := io.ReadAll(resp.Body)
+	var envelope struct {
+		Data struct {
+			AccessControl struct {
+				Enabled bool `json:"enabled"`
+			} `json:"access_control"`
+		} `json:"data"`
+	}
+	if err := json.Unmarshal(body, &envelope); err != nil {
+		t.Fatal(err)
+	}
+	if envelope.Data.AccessControl.Enabled {
+		t.Error("enabled should be false when access control is off")
+	}
+}
+
+func TestGetCapabilitiesAccessControlSubject(t *testing.T) {
+	h := NewCapabilitiesHandler("v2", services.CapabilitiesV2(), true)
+	app := fiber.New()
+	app.Get("/capabilities", func(c fiber.Ctx) error {
+		c.Locals(authz.SubjectLocalsKey, authz.Subject{
+			ID: "alice@example.com",
+			Bindings: []authz.Binding{{
+				BucketPrefixes: []string{"backend-"},
+				Permissions:    authz.PermSet{"bucket.list": {}, "bucket.read": {}},
+			}},
+			ClusterPerms: authz.PermSet{"cluster.status": {}},
+		})
+		return h.GetCapabilities(c)
+	})
+	resp, err := app.Test(httptest.NewRequest("GET", "/capabilities", nil))
+	if err != nil {
+		t.Fatal(err)
+	}
+	body, _ := io.ReadAll(resp.Body)
+	var envelope struct {
+		Data struct {
+			AccessControl struct {
+				Enabled            bool     `json:"enabled"`
+				Subject            string   `json:"subject"`
+				IsAdmin            bool     `json:"is_admin"`
+				ClusterPermissions []string `json:"cluster_permissions"`
+				Bindings           []struct {
+					BucketPrefixes []string `json:"bucket_prefixes"`
+					Permissions    []string `json:"permissions"`
+				} `json:"bindings"`
+			} `json:"access_control"`
+		} `json:"data"`
+	}
+	if err := json.Unmarshal(body, &envelope); err != nil {
+		t.Fatal(err)
+	}
+	ac := envelope.Data.AccessControl
+	if !ac.Enabled || ac.Subject != "alice@example.com" || ac.IsAdmin {
+		t.Errorf("unexpected access_control header fields: %+v", ac)
+	}
+	if len(ac.Bindings) != 1 || len(ac.Bindings[0].Permissions) != 2 {
+		t.Errorf("bindings not mirrored unflattened: %+v", ac.Bindings)
+	}
+	if len(ac.ClusterPermissions) != 1 || ac.ClusterPermissions[0] != "cluster.status" {
+		t.Errorf("cluster_permissions = %v", ac.ClusterPermissions)
+	}
+}

backend/internal/handlers/cluster.go

@@ -1,6 +1,8 @@
 package handlers
 
 import (
+	"errors"
+
 	"Noooste/garage-ui/internal/models"
 	"Noooste/garage-ui/internal/services"
 
@@ -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

@@ -9,6 +9,7 @@ import (
 	"testing"
 
 	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
 	"Noooste/garage-ui/internal/services/mocks"
 
 	"github.com/gofiber/fiber/v3"
@@ -124,6 +125,42 @@ func TestCluster_GetStatistics_ServiceErrorReturns500(t *testing.T) {
 	}
 }
 
+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) {

backend/internal/handlers/objects.go

@@ -20,13 +20,13 @@ import (
 // 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":              {},
+	"text/html":              {},
+	"application/xhtml+xml":  {},
+	"image/svg+xml":          {},
+	"application/xml":        {},
+	"text/xml":               {},
 	"application/javascript": {},
-	"text/javascript":       {},
+	"text/javascript":        {},
 }
 
 // safeContentType rewrites Content-Types that the browser would treat as
@@ -89,6 +89,7 @@ func NewObjectHandler(s3Service services.S3Storage) *ObjectHandler {
 //	@Produce		json
 //	@Param			bucket				path		string												true	"Name of the bucket to list objects from"
 //	@Param			prefix				query		string												false	"Filter objects by prefix"
+//	@Param			search				query		string												false	"Recursively search object keys under prefix by case-insensitive substring (best-effort; bypasses max_keys and continuation_token)"
 //	@Param			max_keys			query		int													false	"Maximum number of objects to return (default: 100)"
 //	@Param			continuation_token	query		string												false	"Token for pagination to retrieve next page of results"
 //	@Success		200					{object}	models.APIResponse{data=models.ObjectListResponse}	"Successfully retrieved list of objects and prefixes"
@@ -109,6 +110,21 @@ func (h *ObjectHandler) ListObjects(c fiber.Ctx) error {
 
 	// Get query parameters for filtering and pagination
 	prefix := c.Query("prefix", "")
+
+	// Search mode: a recursive, best-effort substring search across the whole
+	// subtree under prefix. S3/Garage has no server-side substring search, so
+	// the backend scans and filters. This bypasses page-token pagination and
+	// max_keys, see S3Service.SearchObjects -> pagination is handled frontend side.
+	if search := c.Query("search", ""); search != "" {
+		results, err := h.s3Service.SearchObjects(ctx, bucketName, prefix, search)
+		if err != nil {
+			return c.Status(fiber.StatusInternalServerError).JSON(
+				models.ErrorResponse(models.ErrCodeListFailed, "Failed to search objects: "+err.Error()),
+			)
+		}
+		return c.JSON(models.SuccessResponse(results))
+	}
+
 	continuationToken := c.Query("continuation_token", "")
 
 	maxKeysStr := c.Query("max_keys", "100")

backend/internal/handlers/objects_test.go

@@ -120,6 +120,52 @@ func TestListObjects_ServiceError500(t *testing.T) {
 	}
 }
 
+func TestListObjects_SearchRoutesToSearchObjects(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	// Intentionally leave ListObjectsFn unset: if the handler wrongly falls
+	// through to a normal listing, the mock returns an error and this fails.
+	s3.SearchObjectsFn = func(_ context.Context, bucket, prefix, search string) (*models.ObjectListResponse, error) {
+		if bucket != "b1" || prefix != "docs/" || search != "target" {
+			t.Errorf("args = (%q, %q, %q)", bucket, prefix, search)
+		}
+		return &models.ObjectListResponse{
+			Bucket: bucket, Count: 1,
+			Objects: []models.ObjectInfo{{Key: "docs/target.pdf", Size: 20}},
+		}, nil
+	}
+	req := httptest.NewRequest(http.MethodGet, "/buckets/b1/objects?prefix=docs/&search=target", 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 || len(body.Data.Objects) != 1 || body.Data.Objects[0].Key != "docs/target.pdf" {
+		t.Errorf("unexpected search results: %+v", body.Data)
+	}
+}
+
+func TestListObjects_SearchError500(t *testing.T) {
+	app, s3 := newObjectsTestApp(t)
+	s3.SearchObjectsFn = func(_ context.Context, _, _, _ string) (*models.ObjectListResponse, error) {
+		return nil, errors.New("boom")
+	}
+	resp, err := app.Test(httptest.NewRequest(http.MethodGet, "/buckets/b1/objects?search=target", 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) {

backend/internal/middleware/auth.go

@@ -1,6 +1,8 @@
 package middleware
 
 import (
+	"strings"
+
 	"Noooste/garage-ui/internal/auth"
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/models"
@@ -17,14 +19,14 @@ import (
 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 !cfg.Admin.Enabled && !cfg.OIDC.Enabled && !cfg.Token.Enabled {
 			return c.Next()
 		}
 
 		authHeader := c.Get("Authorization")
 
-		// Try admin auth if enabled and header is present.
-		if cfg.Admin.Enabled && authHeader != "" {
+		// 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:]
 				userInfo, err := authService.ValidateSessionToken(token)
@@ -80,14 +82,18 @@ func enrichRequestLogger(c fiber.Ctx, userID, authMethod string) {
 }
 
 func authMethodsEnabled(cfg *config.AuthConfig) string {
-	switch {
-	case cfg.Admin.Enabled && cfg.OIDC.Enabled:
-		return "admin+oidc"
-	case cfg.Admin.Enabled:
-		return "admin"
-	case cfg.OIDC.Enabled:
-		return "oidc"
-	default:
+	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/models/admin.go

@@ -1,6 +1,9 @@
 package models
 
-import "time"
+import (
+	"encoding/json"
+	"time"
+)
 
 // GarageKeyInfo represents detailed information about a Garage access key
 type GarageKeyInfo struct {
@@ -83,6 +86,10 @@ type GarageBucketInfo struct {
 	UnfinishedMultipartUploadParts int64                `json:"unfinishedMultipartUploadParts"`
 	UnfinishedMultipartUploadBytes int64                `json:"unfinishedMultipartUploadBytes"`
 	Quotas                         *BucketQuotas        `json:"quotas,omitempty"`
+
+	// EffectivePermissions is the caller's prefix-scoped permissions on this
+	// bucket, computed server-side. Omitted when access control is disabled.
+	EffectivePermissions []string `json:"effective_permissions,omitempty"`
 }
 
 // BucketWebsiteConfig represents website configuration for a bucket
@@ -180,6 +187,24 @@ 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"`

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

@@ -29,3 +29,11 @@ type UpdateBucketWebsiteRequest struct {
 	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

@@ -47,6 +47,11 @@ type BucketInfo struct {
 	Region        string               `json:"region,omitempty"`
 	WebsiteAccess bool                 `json:"websiteAccess"`
 	WebsiteConfig *BucketWebsiteConfig `json:"websiteConfig,omitempty"`
+	Quotas        *BucketQuotas        `json:"quotas,omitempty"`
+
+	// EffectivePermissions is the caller's prefix-scoped permissions on this
+	// bucket, computed server-side. Omitted when access control is disabled.
+	EffectivePermissions []string `json:"effective_permissions,omitempty"`
 }
 
 // BucketListResponse represents a list of buckets
@@ -196,4 +201,5 @@ const (
 	ErrCodeUploadFailed      = "UPLOAD_FAILED"
 	ErrCodeDeleteFailed      = "DELETE_FAILED"
 	ErrCodeListFailed        = "LIST_FAILED"
+	ErrCodeUnsupported       = "UNSUPPORTED"
 )

backend/internal/routes/routes.go

@@ -2,6 +2,7 @@ package routes
 
 import (
 	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/authz"
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/handlers"
 	"Noooste/garage-ui/internal/middleware"
@@ -29,6 +30,8 @@ func SetupRoutes(
 	userHandler *handlers.UserHandler,
 	clusterHandler *handlers.ClusterHandler,
 	monitoringHandler *handlers.MonitoringHandler,
+	capabilitiesHandler *handlers.CapabilitiesHandler,
+	az *authz.Middleware,
 ) {
 	// Apply CORS middleware globally
 	app.Use(middleware.CORSMiddleware(&cfg.CORS))
@@ -52,28 +55,34 @@ func SetupRoutes(
 	// Apply authentication middleware to all API routes
 	api.Use(middleware.AuthMiddleware(&cfg.Auth, authService))
 
+	// Resolve the authz Subject once per request, right after authentication.
+	api.Use(az.ResolveSubject())
+
+	api.Get("/capabilities", capabilitiesHandler.GetCapabilities)
+
 	// Bucket routes
 	buckets := api.Group("/buckets")
 	{
-		buckets.Get("/", bucketHandler.ListBuckets)                             // List all buckets
-		buckets.Post("/", bucketHandler.CreateBucket)                           // Create a new bucket
-		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.Get("/", az.Require(authz.ScopeNone, authz.PermBucketList), bucketHandler.ListBuckets)                                                                        // List all buckets
+		buckets.Post("/", az.Require(authz.BucketFromBody(), authz.PermBucketCreate), bucketHandler.CreateBucket)                                                             // Create a new bucket
+		buckets.Get("/:name", az.Require(authz.BucketFromParam("name"), authz.PermBucketRead), bucketHandler.GetBucketInfo)                                                   // Get bucket info
+		buckets.Delete("/:name", az.Require(authz.BucketFromParam("name"), authz.PermBucketDelete), bucketHandler.DeleteBucket)                                               // Delete a bucket
+		buckets.Post("/:name/permissions", az.Require(authz.BucketFromParam("name"), authz.PermAllowBucketKey, authz.PermDenyBucketKey), bucketHandler.GrantBucketPermission) // Grant bucket permissions (allow+deny)
+		buckets.Put("/:name/website", az.Require(authz.BucketFromParam("name"), authz.PermBucketUpdate), bucketHandler.UpdateBucketWebsite)                                   // Update bucket website configuration
+		buckets.Put("/:name/quotas", az.Require(authz.BucketFromParam("name"), authz.PermBucketUpdate), bucketHandler.UpdateBucketQuotas)                                     // Update bucket quotas
 	}
 
 	// Object routes
 	objects := api.Group("/buckets/:bucket/objects")
 	{
-		objects.Get("/", objectHandler.ListObjects)                           // List objects in bucket
-		objects.Post("/", objectHandler.UploadObject)                         // Upload object (multipart)
-		objects.Post("/upload-multiple", objectHandler.UploadMultipleObjects) // Upload multiple objects
-		objects.Post("/delete-multiple", objectHandler.DeleteMultipleObjects) // Delete multiple objects
+		objects.Get("/", az.Require(authz.BucketFromParam("bucket"), authz.PermObjectList), objectHandler.ListObjects)                             // List objects in bucket
+		objects.Post("/", az.Require(authz.BucketFromParam("bucket"), authz.PermObjectWrite), objectHandler.UploadObject)                          // Upload object (multipart)
+		objects.Post("/upload-multiple", az.Require(authz.BucketFromParam("bucket"), authz.PermObjectWrite), objectHandler.UploadMultipleObjects)  // Upload multiple objects
+		objects.Post("/delete-multiple", az.Require(authz.BucketFromParam("bucket"), authz.PermObjectDelete), objectHandler.DeleteMultipleObjects) // Delete multiple objects
 	}
 
 	// Directory routes (zero-byte directory markers)
-	api.Post("/buckets/:bucket/directories", objectHandler.CreateDirectory)
+	api.Post("/buckets/:bucket/directories", az.Require(authz.BucketFromParam("bucket"), authz.PermObjectWrite), objectHandler.CreateDirectory)
 
 	// Fiber v3 does not auto-decode wildcard params; fall back to the raw
 	// value when QueryUnescape fails.
@@ -110,38 +119,41 @@ func SetupRoutes(
 		return objectHandler.GetObjectMetadata(c)
 	}
 
-	// Register with auth middleware
-	app.Get("/api/v1/buckets/:bucket/objects/*", middleware.AuthMiddleware(&cfg.Auth, authService), objectWildcardHandler)
-	app.Delete("/api/v1/buckets/:bucket/objects/*", middleware.AuthMiddleware(&cfg.Auth, authService), objectDeleteHandler)
-	app.Head("/api/v1/buckets/:bucket/objects/*", middleware.AuthMiddleware(&cfg.Auth, authService), objectHeadHandler)
+	// Register with auth middleware. Although these routes live on app, not
+	// api, the api group's .Use() middlewares (AuthMiddleware, ResolveSubject)
+	// cascade onto them by path prefix, so ResolveSubject is not repeated here
+	// (TestWildcardObjectRoutes_EnforceAuthzViaGroupCascade locks that in).
+	app.Get("/api/v1/buckets/:bucket/objects/*", middleware.AuthMiddleware(&cfg.Auth, authService), az.Require(authz.BucketFromParam("bucket"), authz.PermObjectRead), objectWildcardHandler)
+	app.Delete("/api/v1/buckets/:bucket/objects/*", middleware.AuthMiddleware(&cfg.Auth, authService), az.Require(authz.BucketFromParam("bucket"), authz.PermObjectDelete), objectDeleteHandler)
+	app.Head("/api/v1/buckets/:bucket/objects/*", middleware.AuthMiddleware(&cfg.Auth, authService), az.Require(authz.BucketFromParam("bucket"), authz.PermObjectRead), objectHeadHandler)
 
 	// User/Key management routes
 	users := api.Group("/users")
 	{
-		users.Get("/", userHandler.ListUsers)                          // List all users/keys
-		users.Post("/", userHandler.CreateUser)                        // Create new user/key
-		users.Get("/:access_key", userHandler.GetUser)                 // Get user info
-		users.Get("/:access_key/secret", userHandler.GetUserSecretKey) // Get user secret key
-		users.Delete("/:access_key", userHandler.DeleteUser)           // Delete user/key
-		users.Patch("/:access_key", userHandler.UpdateUserPermissions) // Update user permissions
+		users.Get("/", az.Require(authz.ScopeNone, authz.PermKeyList), userHandler.ListUsers)                                // List all users/keys
+		users.Post("/", az.Require(authz.ScopeNone, authz.PermKeyCreate), userHandler.CreateUser)                            // Create new user/key
+		users.Get("/:access_key", az.Require(authz.ScopeNone, authz.PermKeyRead), userHandler.GetUser)                       // Get user info
+		users.Get("/:access_key/secret", az.Require(authz.ScopeNone, authz.PermKeyReadSecret), userHandler.GetUserSecretKey) // Get user secret key
+		users.Delete("/:access_key", az.Require(authz.ScopeNone, authz.PermKeyDelete), userHandler.DeleteUser)               // Delete user/key
+		users.Patch("/:access_key", az.Require(authz.ScopeNone, authz.PermKeyUpdate), userHandler.UpdateUserPermissions)     // Update user permissions
 	}
 
 	// Cluster management routes
 	cluster := api.Group("/cluster")
 	{
-		cluster.Get("/health", clusterHandler.GetHealth)                            // Get cluster health
-		cluster.Get("/status", clusterHandler.GetStatus)                            // Get cluster status
-		cluster.Get("/statistics", clusterHandler.GetStatistics)                    // Get cluster statistics
-		cluster.Get("/nodes/:node_id", clusterHandler.GetNodeInfo)                  // Get node info
-		cluster.Get("/nodes/:node_id/statistics", clusterHandler.GetNodeStatistics) // Get node statistics
+		cluster.Get("/health", az.Require(authz.ScopeNone, authz.PermClusterHealth), clusterHandler.GetHealth)                             // Get cluster health
+		cluster.Get("/status", az.Require(authz.ScopeNone, authz.PermClusterStatus), clusterHandler.GetStatus)                             // Get cluster status
+		cluster.Get("/statistics", az.Require(authz.ScopeNone, authz.PermClusterStatistics), clusterHandler.GetStatistics)                 // Get cluster statistics
+		cluster.Get("/nodes/:node_id", az.Require(authz.ScopeNone, authz.PermNodeInfo), clusterHandler.GetNodeInfo)                        // Get node info
+		cluster.Get("/nodes/:node_id/statistics", az.Require(authz.ScopeNone, authz.PermNodeStatistics), clusterHandler.GetNodeStatistics) // Get node statistics
 	}
 
 	// Monitoring routes
 	monitoring := api.Group("/monitoring")
 	{
-		monitoring.Get("/metrics", monitoringHandler.GetMetrics)            // Get Prometheus metrics
-		monitoring.Get("/admin-health", monitoringHandler.CheckAdminHealth) // Check Admin API health
-		monitoring.Get("/dashboard", monitoringHandler.GetDashboardMetrics) // Get dashboard metrics
+		monitoring.Get("/metrics", az.Require(authz.ScopeNone, authz.PermClusterStatistics), monitoringHandler.GetMetrics)            // Get Prometheus metrics
+		monitoring.Get("/admin-health", az.Require(authz.ScopeNone, authz.PermClusterHealth), monitoringHandler.CheckAdminHealth)     // Check Admin API health
+		monitoring.Get("/dashboard", az.Require(authz.ScopeNone, authz.PermClusterStatistics), monitoringHandler.GetDashboardMetrics) // Get dashboard metrics
 	}
 
 	// Admin auth login endpoint (only if admin is enabled)
@@ -149,8 +161,13 @@ 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)
 	}
 
@@ -224,11 +241,13 @@ 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.
-				if cfg.Auth.OIDC.AdminRole != "" {
+				// With access_control configured, non-admin users may log in:
+				// they get team-scoped (possibly zero) permissions and
+				// default-deny protects everything else. Without it, the
+				// admin role remains the only thing standing between an IdP
+				// account and full cluster access, so keep the historical gate.
+				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
@@ -239,18 +258,31 @@ func SetupRoutes(
 							userInfo.Roles = ui.Roles
 						}
 					}
-					if !authService.IsAdmin(userInfo) {
+					if cfg.AccessControl == nil && !authService.IsAdmin(userInfo) {
 						logger.Warn().
 							Str("username", userInfo.Username).
-							Str("required_role", cfg.Auth.OIDC.AdminRole).
+							Strs("required_roles", adminRoles).
 							Strs("roles", userInfo.Roles).
-							Msg("OIDC login denied: user does not have required admin role")
+							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",
 						})
 					}
 				}
 
+				// Teams follow the same claim-location fallbacks as roles.
+				if cfg.Auth.OIDC.TeamAttributePath != "" && len(userInfo.Teams) == 0 {
+					if teams := authService.ExtractTeamsFromAccessToken(token.AccessToken); len(teams) > 0 {
+						userInfo.Teams = teams
+					}
+				}
+				if cfg.Auth.OIDC.TeamAttributePath != "" && len(userInfo.Teams) == 0 {
+					if ui, err := authService.GetUserInfo(ctx, token); err == nil && len(ui.Teams) > 0 {
+						userInfo.Teams = ui.Teams
+					}
+				}
+				userInfo.AuthMethod = "oidc"
+
 				// Generate JWT session token
 				sessionToken, err := authService.GenerateSessionToken(userInfo)
 				if err != nil {

backend/internal/routes/routes_authz_test.go

@@ -0,0 +1,231 @@
+package routes
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/authz"
+	"Noooste/garage-ui/internal/config"
+	"Noooste/garage-ui/internal/handlers"
+	"Noooste/garage-ui/internal/models"
+	"Noooste/garage-ui/internal/services"
+	"Noooste/garage-ui/internal/services/mocks"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+// newTestAppWithAuthz builds a fully-wired fiber.App via SetupRoutes, reusing
+// newTestApp's fixture (disabled-policy authz middleware, admin auth enabled
+// so every /api/v1 route is reachable), and returns the *fiber.App directly
+// for route-table inspection.
+func newTestAppWithAuthz(t *testing.T) *fiber.App {
+	t.Helper()
+	f := newTestApp(t, func(c *config.Config) {
+		c.Auth.Admin.Enabled = true
+		c.Auth.Admin.Username = "admin"
+		c.Auth.Admin.Password = "pw"
+	})
+	return f.App
+}
+
+// TestEveryAPIRouteDeclaresPermission is the CI-level fail-closed guarantee:
+// a new /api/v1 route without an authz.Require declaration fails this test
+// (and would also refuse to boot via the same check in main).
+func TestEveryAPIRouteDeclaresPermission(t *testing.T) {
+	app := newTestAppWithAuthz(t)
+	if err := authz.VerifyRouteCoverage(app); err != nil {
+		t.Fatalf("route coverage: %v", err)
+	}
+}
+
+// newEnabledPolicyFixture builds a SetupRoutes app with an ENABLED
+// access-control policy (one team, claim "g-t", bucket prefix "allowed-",
+// permissions bucket.list + object.list + object.read) and returns the
+// fixture plus a Bearer session token for a member of that team. Admin auth
+// is enabled so AuthMiddleware accepts the Bearer JWT; the resolver trusts
+// the signed AuthMethod claim ("oidc"), so the user resolves through the
+// team policy, not as the synthetic admin.
+func newEnabledPolicyFixture(t *testing.T) (*routeFixture, string) {
+	t.Helper()
+
+	cfg := &config.Config{
+		Server: config.ServerConfig{
+			Port:        8080,
+			Environment: "test",
+		},
+		Auth: config.AuthConfig{
+			Admin: config.AdminAuthConfig{
+				Enabled:  true,
+				Username: "admin",
+				Password: "pw",
+			},
+		},
+		CORS: config.CORSConfig{},
+		AccessControl: &config.AccessControlConfig{
+			Teams: []config.TeamConfig{{
+				Name:        "team-t",
+				ClaimValues: []string{"g-t"},
+				Bindings: []config.BindingConfig{{
+					BucketPrefixes: []string{"allowed-"},
+					Permissions:    []string{"bucket.list", "object.list", "object.read"},
+				}},
+			}},
+		},
+	}
+
+	svc, err := auth.NewAuthService(&cfg.Auth, &cfg.Server)
+	if err != nil {
+		t.Fatalf("NewAuthService: %v", err)
+	}
+
+	policy, err := authz.CompilePolicy(cfg.AccessControl)
+	if err != nil {
+		t.Fatalf("CompilePolicy: %v", err)
+	}
+	az := authz.NewMiddleware(policy, authz.NewTeamResolver(policy, nil), authz.NewAuthorizer())
+
+	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(), false),
+		az,
+	)
+
+	token, err := svc.GenerateSessionToken(&auth.UserInfo{
+		Username:   "team-user",
+		Email:      "team-user@example.com",
+		Teams:      []string{"g-t"},
+		AuthMethod: "oidc",
+	})
+	if err != nil {
+		t.Fatalf("GenerateSessionToken: %v", err)
+	}
+
+	return &routeFixture{App: app, Admin: admin, S3: s3, Auth: svc, Cfg: cfg}, token
+}
+
+// TestWildcardObjectRoutes_EnforceAuthzViaGroupCascade locks in the Fiber
+// behavior the wildcard wiring relies on: the api group's .Use() middlewares
+// (AuthMiddleware, ResolveSubject) cascade by path prefix onto the wildcard
+// object routes registered directly on app, so those routes do NOT repeat
+// ResolveSubject themselves. If the cascade ever stopped covering them, the
+// allowed-bucket request below would 403 with reason no_subject instead of
+// reaching the handler.
+func TestWildcardObjectRoutes_EnforceAuthzViaGroupCascade(t *testing.T) {
+	f, token := newEnabledPolicyFixture(t)
+
+	f.S3.GetObjectFn = func(_ context.Context, _, key string) (io.ReadCloser, *models.ObjectInfo, error) {
+		return io.NopCloser(strings.NewReader("hello")), &models.ObjectInfo{Key: key, Size: 5, ContentType: "text/plain"}, nil
+	}
+
+	do := func(method, path string) int {
+		t.Helper()
+		req := httptest.NewRequest(method, path, nil)
+		req.Header.Set("Authorization", "Bearer "+token)
+		resp, err := f.App.Test(req)
+		if err != nil {
+			t.Fatalf("app.Test(%s %s): %v", method, path, err)
+		}
+		return resp.StatusCode
+	}
+
+	// In-scope bucket + held permission (object.read) → the request passes
+	// Require and reaches the handler. This is the discriminating assertion:
+	// it can only succeed if the group-level ResolveSubject ran for this
+	// wildcard route (no subject → Require denies everything).
+	if code := do("GET", "/api/v1/buckets/allowed-data/objects/somekey"); code != 200 {
+		t.Errorf("GET allowed bucket: status = %d, want 200 (cascaded ResolveSubject + Require allow)", code)
+	}
+
+	// Out-of-scope bucket → default deny.
+	if code := do("GET", "/api/v1/buckets/denied-data/objects/somekey"); code != 403 {
+		t.Errorf("GET denied bucket: status = %d, want 403", code)
+	}
+
+	// DELETE requires object.delete, which the team does not hold, so it is denied
+	// even on an in-scope bucket.
+	if code := do("DELETE", "/api/v1/buckets/allowed-data/objects/somekey"); code != 403 {
+		t.Errorf("DELETE allowed bucket without object.delete: status = %d, want 403", code)
+	}
+
+	// HEAD wildcard is denied on an out-of-scope bucket too.
+	if code := do("HEAD", "/api/v1/buckets/denied-data/objects/somekey"); code != 403 {
+		t.Errorf("HEAD denied bucket: status = %d, want 403", code)
+	}
+}
+
+// TestListBuckets_HTTPFiltersByPolicyAndAddsEffectivePermissions is the
+// HTTP-level companion to handlers.TestListBuckets_MapsAliasesAndStats: it
+// drives GET /api/v1/buckets through the full authz-wired route (not just the
+// handler in isolation) for a team-scoped session, with the mocked admin
+// service returning buckets both inside and outside the team's "allowed-"
+// prefix. Only in-scope buckets should come back, each carrying the caller's
+// effective_permissions.
+func TestListBuckets_HTTPFiltersByPolicyAndAddsEffectivePermissions(t *testing.T) {
+	f, token := newEnabledPolicyFixture(t)
+
+	f.Admin.ListBucketsFn = func(_ context.Context) ([]models.ListBucketsResponseItem, error) {
+		return []models.ListBucketsResponseItem{
+			{ID: "id-a", Created: time.Unix(0, 0), GlobalAliases: []string{"allowed-a"}},
+			{ID: "id-b", Created: time.Unix(0, 0), GlobalAliases: []string{"allowed-b"}},
+			{ID: "id-x", Created: time.Unix(0, 0), GlobalAliases: []string{"denied-x"}},
+		}, nil
+	}
+	f.Admin.GetBucketInfoByAliasFn = func(_ context.Context, alias string) (*models.GarageBucketInfo, error) {
+		return &models.GarageBucketInfo{ID: alias, Objects: 0, Bytes: 0}, nil
+	}
+
+	req := httptest.NewRequest("GET", "/api/v1/buckets", nil)
+	req.Header.Set("Authorization", "Bearer "+token)
+	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 struct {
+		Data models.BucketListResponse `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&body); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if body.Data.Count != 2 {
+		t.Fatalf("count = %d, want 2 (denied-x filtered out): %+v", body.Data.Count, body.Data.Buckets)
+	}
+
+	seen := map[string]bool{}
+	for _, b := range body.Data.Buckets {
+		seen[b.Name] = true
+		if !strings.HasPrefix(b.Name, "allowed-") {
+			t.Errorf("bucket %q returned, want only allowed-* buckets", b.Name)
+		}
+		if len(b.EffectivePermissions) == 0 {
+			t.Errorf("bucket %q: effective_permissions missing", b.Name)
+		}
+	}
+	if !seen["allowed-a"] || !seen["allowed-b"] {
+		t.Errorf("missing expected buckets, got: %+v", body.Data.Buckets)
+	}
+	if seen["denied-x"] {
+		t.Error("denied-x should not be visible to a team without bucket.list on that prefix")
+	}
+}

backend/internal/routes/routes_teams_test.go

@@ -0,0 +1,103 @@
+package routes
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"Noooste/garage-ui/internal/config"
+)
+
+// newOIDCTeamFixture builds an OIDC-enabled fixture with team_attribute_path
+// set and no admin-role gate, so a non-admin user can complete the callback
+// and have their teams resolved.
+func newOIDCTeamFixture(t *testing.T, teamPath 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:         "", // no role gate: non-admin OIDC users may log in
+			UsernameAttribute: "preferred_username",
+			EmailAttribute:    "email",
+			NameAttribute:     "name",
+			RoleAttributePath: "resource_access.test-client.roles",
+			TeamAttributePath: teamPath,
+			CookieName:        "session",
+			CookieHTTPOnly:    true,
+			CookieSameSite:    "Lax",
+			SessionMaxAge:     3600,
+		}
+	})
+	return f, iss
+}
+
+// runCallback drives the OIDC callback happy path and returns the resolved
+// session's user info (decoded from the session cookie).
+func runCallbackTeams(t *testing.T, f *routeFixture) []string {
+	t.Helper()
+	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("callback: %v", err)
+	}
+	if resp.StatusCode != 303 {
+		t.Fatalf("callback status = %d, want 303", resp.StatusCode)
+	}
+	var sess *http.Cookie
+	for _, c := range resp.Cookies() {
+		if c.Name == "session" && c.Value != "" {
+			sess = c
+		}
+	}
+	if sess == nil {
+		t.Fatal("no session cookie in callback response")
+	}
+	info, err := f.Auth.ValidateSessionToken(sess.Value)
+	if err != nil {
+		t.Fatalf("ValidateSessionToken: %v", err)
+	}
+	return info.Teams
+}
+
+func TestRoutes_OIDCCallback_TeamsFromIDToken(t *testing.T) {
+	f, iss := newOIDCTeamFixture(t, "groups")
+	// The verified ID token carries the team claim directly.
+	iss.DefaultIDClaims["groups"] = []any{"garage-team-backend"}
+
+	teams := runCallbackTeams(t, f)
+	if len(teams) != 1 || teams[0] != "garage-team-backend" {
+		t.Errorf("Teams = %v, want [garage-team-backend] from the ID token", teams)
+	}
+}
+
+func TestRoutes_OIDCCallback_TeamsFromAccessTokenFallback(t *testing.T) {
+	f, iss := newOIDCTeamFixture(t, "groups")
+	// ID token carries no team claim; the access token does.
+	iss.DefaultAccessClaims["groups"] = []any{"garage-team-data"}
+
+	teams := runCallbackTeams(t, f)
+	if len(teams) != 1 || teams[0] != "garage-team-data" {
+		t.Errorf("Teams = %v, want [garage-team-data] from the access-token fallback", teams)
+	}
+}
+
+func TestRoutes_OIDCCallback_TeamsFromUserInfoFallback(t *testing.T) {
+	f, iss := newOIDCTeamFixture(t, "groups")
+	// Neither token carries the team claim; only the userinfo endpoint does.
+	iss.UserInfoFn = func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"sub":"user-1","preferred_username":"alice","email":"alice@example.com","groups":["garage-team-ops"]}`))
+	}
+
+	teams := runCallbackTeams(t, f)
+	if len(teams) != 1 || teams[0] != "garage-team-ops" {
+		t.Errorf("Teams = %v, want [garage-team-ops] from the userinfo fallback", teams)
+	}
+}

backend/internal/routes/routes_test.go

@@ -12,8 +12,10 @@ import (
 	"time"
 
 	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/authz"
 	"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"
@@ -56,6 +58,12 @@ func newTestApp(t *testing.T, cfgMutator func(*config.Config)) *routeFixture {
 	admin := &mocks.AdminMock{}
 	s3 := &mocks.S3Mock{}
 
+	policy, err := authz.CompilePolicy(nil)
+	if err != nil {
+		t.Fatalf("CompilePolicy: %v", err)
+	}
+	az := authz.NewMiddleware(policy, authz.NewTeamResolver(policy, nil), authz.NewAuthorizer())
+
 	app := fiber.New()
 	SetupRoutes(
 		app,
@@ -67,6 +75,8 @@ func newTestApp(t *testing.T, cfgMutator func(*config.Config)) *routeFixture {
 		handlers.NewUserHandler(admin),
 		handlers.NewClusterHandler(admin),
 		handlers.NewMonitoringHandler(admin, s3),
+		handlers.NewCapabilitiesHandler("v2", services.CapabilitiesV2(), false),
+		az,
 	)
 
 	return &routeFixture{App: app, Admin: admin, S3: s3, Auth: svc, Cfg: cfg}

backend/internal/services/admin_buckets_logging_test.go

@@ -16,9 +16,9 @@ import (
 	"github.com/rs/zerolog"
 )
 
-// newAdminWithServer creates a GarageAdminService pointed at a test server
+// newAdminWithServer creates a GarageV2AdminService pointed at a test server
 // and returns it with a cleanup hook.
-func newAdminWithServer(t *testing.T, handler http.HandlerFunc) *GarageAdminService {
+func newAdminWithServer(t *testing.T, handler http.HandlerFunc) *GarageV2AdminService {
 	t.Helper()
 	srv := httptest.NewServer(handler)
 	t.Cleanup(srv.Close)
@@ -26,7 +26,7 @@ func newAdminWithServer(t *testing.T, handler http.HandlerFunc) *GarageAdminServ
 		AdminEndpoint: srv.URL,
 		AdminToken:    "test-token",
 	}
-	return NewGarageAdminService(cfg, "info")
+	return NewGarageV2AdminService(cfg, "info")
 }
 
 // ctxWithBufferLogger attaches a zerolog.Logger writing to buf onto ctx.

backend/internal/services/admin_factory.go

@@ -0,0 +1,132 @@
+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
+}
+
+// errProbeNotFound means the probed route returned 404. Garage v2.x also serves
+// /v1/health, so a 404 on /v2 is the only reliable "this is a v1 server" signal.
+var errProbeNotFound = errors.New("probe endpoint not found")
+
+func NewAdminService(cfg *config.GarageConfig, logLevel string) (*AdminServiceResult, error) {
+	// retry so a startup fails doesn't lock us to a v1 client.
+	err := probeEndpointWithRetry(cfg, "/v2/GetClusterHealth")
+	if 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
+	}
+
+	// only fall back to v1 on a real 404
+	// other errors mean the server is up but the probe failed transiently; picking v1 against
+	// a v2.x server breaks /v1/status with "v1/ endpoint is no longer supported" (issue #78).
+	if !errors.Is(err, errProbeNotFound) {
+		return nil, fmt.Errorf(
+			"could not detect Garage admin API version at %s: %w. Ensure Garage v1.1+ is running and the admin API is reachable",
+			cfg.AdminEndpoint, err,
+		)
+	}
+
+	if err := probeEndpointWithRetry(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,
+	)
+}
+
+const probeAttempts = 4
+
+// probeEndpointWithRetry retries transient failures with backoff, but returns a
+// 404 immediately, a missing route won't appear on a retry.
+func probeEndpointWithRetry(cfg *config.GarageConfig, path string) error {
+	var err error
+	backoff := 250 * time.Millisecond
+	for attempt := range probeAttempts {
+		err = probeEndpoint(cfg, path)
+		if err == nil || errors.Is(err, errProbeNotFound) {
+			return err
+		}
+		if attempt < probeAttempts-1 {
+			time.Sleep(backoff)
+			backoff *= 2
+		}
+	}
+	return err
+}
+
+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 == http.StatusNotFound {
+		return fmt.Errorf("probe %s returned status 404: %w", path, errProbeNotFound)
+	}
+	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 +1,149 @@
+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")
+	}
+}
+
+// Garage v2.x serves /v1/health too, so a transient failure of the /v2 probe
+// must not cause a permanent downgrade to the (broken on v2.x) v1 client.
+// Regression test for https://github.com/Noooste/garage-ui/issues/78
+func TestDetectVersion_V2_TransientProbeFailure(t *testing.T) {
+	var v2Hits int
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/v2/GetClusterHealth":
+			v2Hits++
+			if v2Hits < 3 { // fail the first two attempts, then recover
+				w.WriteHeader(http.StatusServiceUnavailable)
+				return
+			}
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+		case "/v1/health": // v2.x still answers this
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+		default:
+			w.WriteHeader(http.StatusNotFound)
+		}
+	}))
+	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 after transient probe failure, got %s", result.APIVersion)
+	}
+}
+
+// A server that answers /v1/health but returns a server error (not 404) for
+// /v2/GetClusterHealth must NOT be detected as v1, because v2.x servers also
+// answer /v1/health. Falling through to v1 here is the issue #78 misdetection.
+func TestDetectVersion_DoesNotDowngradeOnV2ServerError(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/v2/GetClusterHealth":
+			w.WriteHeader(http.StatusServiceUnavailable)
+		case "/v1/health":
+			w.Header().Set("Content-Type", "application/json")
+			w.Write([]byte(`{"status":"healthy"}`))
+		default:
+			w.WriteHeader(http.StatusNotFound)
+		}
+	}))
+	t.Cleanup(srv.Close)
+
+	cfg := &config.GarageConfig{AdminEndpoint: srv.URL, AdminToken: "tok"}
+	result, err := NewAdminService(cfg, "")
+	if err == nil && result.APIVersion == "v1" {
+		t.Fatal("must not downgrade to v1 when /v2 returns a server error; v2.x also serves /v1/health")
+	}
+}

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

@@ -15,22 +15,22 @@ import (
 	"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, logLevel string) *GarageAdminService {
+// NewGarageV2AdminService creates a new Garage Admin API service
+func NewGarageV2AdminService(cfg *config.GarageConfig, logLevel string) *GarageV2AdminService {
 	session := azuretls.NewSession()
 
 	if logLevel == "debug" {
 		session.Log()
 	}
 
-	return &GarageAdminService{
+	return &GarageV2AdminService{
 		baseURL:    cfg.AdminEndpoint,
 		token:      cfg.AdminToken,
 		httpClient: session,
@@ -38,7 +38,7 @@ func NewGarageAdminService(cfg *config.GarageConfig, logLevel string) *GarageAdm
 }
 
 // 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()
@@ -82,7 +82,7 @@ func decodeResponse(resp *azuretls.Response, target interface{}) error {
 }
 
 // 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)
@@ -97,7 +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)
@@ -112,7 +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"
@@ -132,7 +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)
@@ -149,7 +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)
@@ -165,7 +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)
@@ -180,7 +180,7 @@ func (s *GarageAdminService) ImportKey(ctx context.Context, req models.ImportKey
 }
 
 // ListBuckets returns all buckets in the cluster.
-func (s *GarageAdminService) ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error) {
+func (s *GarageV2AdminService) ListBuckets(ctx context.Context) ([]models.ListBucketsResponseItem, error) {
 	log := logpkg.FromCtx(ctx).With().
 		Str("component", "admin").
 		Str("operation", "list_buckets").
@@ -216,7 +216,7 @@ func (s *GarageAdminService) ListBuckets(ctx context.Context) ([]models.ListBuck
 }
 
 // GetBucketInfo returns detailed information about a bucket by ID.
-func (s *GarageAdminService) GetBucketInfo(ctx context.Context, bucketID string) (*models.GarageBucketInfo, error) {
+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").
@@ -243,7 +243,7 @@ func (s *GarageAdminService) GetBucketInfo(ctx context.Context, bucketID string)
 }
 
 // GetBucketInfoByAlias returns detailed information about a bucket by its global alias.
-func (s *GarageAdminService) GetBucketInfoByAlias(ctx context.Context, globalAlias string) (*models.GarageBucketInfo, error) {
+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").
@@ -270,7 +270,7 @@ func (s *GarageAdminService) GetBucketInfoByAlias(ctx context.Context, globalAli
 }
 
 // CreateBucket creates a new bucket via the Admin API.
-func (s *GarageAdminService) CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
+func (s *GarageV2AdminService) CreateBucket(ctx context.Context, req models.CreateBucketAdminRequest) (*models.GarageBucketInfo, error) {
 	var alias string
 	if req.GlobalAlias != nil {
 		alias = *req.GlobalAlias
@@ -301,7 +301,7 @@ func (s *GarageAdminService) CreateBucket(ctx context.Context, req models.Create
 }
 
 // UpdateBucket updates bucket settings.
-func (s *GarageAdminService) UpdateBucket(ctx context.Context, bucketID string, req models.UpdateBucketRequest) (*models.GarageBucketInfo, error) {
+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").
@@ -328,7 +328,7 @@ func (s *GarageAdminService) UpdateBucket(ctx context.Context, bucketID string,
 }
 
 // DeleteBucket deletes a bucket.
-func (s *GarageAdminService) DeleteBucket(ctx context.Context, bucketID string) error {
+func (s *GarageV2AdminService) DeleteBucket(ctx context.Context, bucketID string) error {
 	log := logpkg.FromCtx(ctx).With().
 		Str("component", "admin").
 		Str("operation", "delete_bucket").
@@ -354,7 +354,7 @@ func (s *GarageAdminService) DeleteBucket(ctx context.Context, bucketID string)
 }
 
 // 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)
@@ -369,7 +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)
@@ -384,7 +384,7 @@ func (s *GarageAdminService) RemoveBucketAlias(ctx context.Context, req models.R
 }
 
 // AllowBucketKey grants permissions for a key on a bucket.
-func (s *GarageAdminService) AllowBucketKey(ctx context.Context, req models.BucketKeyPermRequest) (*models.GarageBucketInfo, error) {
+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").
@@ -415,7 +415,7 @@ func (s *GarageAdminService) AllowBucketKey(ctx context.Context, req models.Buck
 }
 
 // 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)
@@ -430,7 +430,7 @@ func (s *GarageAdminService) DenyBucketKey(ctx context.Context, req models.Bucke
 }
 
 // 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)
@@ -445,7 +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)
@@ -460,7 +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)
@@ -475,7 +475,7 @@ func (s *GarageAdminService) GetClusterStatistics(ctx context.Context) (*models.
 }
 
 // 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)
@@ -492,7 +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)
@@ -509,7 +509,7 @@ func (s *GarageAdminService) GetNodeStatistics(ctx context.Context, nodeID strin
 }
 
 // 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)
@@ -528,7 +528,7 @@ func msSince(t time.Time) float64 {
 }
 
 // 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

@@ -16,13 +16,13 @@ import (
 )
 
 // newAdminTestServer wires an httptest.Server (with the supplied handler) to a
-// fresh *GarageAdminService configured with a known bearer token.
-func newAdminTestServer(t *testing.T, handler http.Handler) (*GarageAdminService, *httptest.Server) {
+// 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 := NewGarageAdminService(&config.GarageConfig{
+	svc := NewGarageV2AdminService(&config.GarageConfig{
 		AdminEndpoint: srv.URL,
 		AdminToken:    "test-token-xyz",
 	}, "")
@@ -326,12 +326,12 @@ func TestDeleteBucket_PostWithIDQuery(t *testing.T) {
 func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 	cases := []struct {
 		name string
-		fn   func(s *GarageAdminService) error
+		fn   func(s *GarageV2AdminService) error
 		path string
 	}{
 		{
 			name: "AddBucketAlias",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.AddBucketAlias(context.Background(), models.AddBucketAliasRequest{})
 				return err
 			},
@@ -339,7 +339,7 @@ func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 		},
 		{
 			name: "RemoveBucketAlias",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.RemoveBucketAlias(context.Background(), models.RemoveBucketAliasRequest{})
 				return err
 			},
@@ -347,7 +347,7 @@ func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 		},
 		{
 			name: "AllowBucketKey",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.AllowBucketKey(context.Background(), models.BucketKeyPermRequest{})
 				return err
 			},
@@ -355,7 +355,7 @@ func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 		},
 		{
 			name: "DenyBucketKey",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.DenyBucketKey(context.Background(), models.BucketKeyPermRequest{})
 				return err
 			},
@@ -379,12 +379,12 @@ func TestBucketAliasAndPermissionEndpoints(t *testing.T) {
 func TestClusterEndpoints(t *testing.T) {
 	cases := []struct {
 		name string
-		fn   func(s *GarageAdminService) error
+		fn   func(s *GarageV2AdminService) error
 		path string
 	}{
 		{
 			name: "GetClusterHealth",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.GetClusterHealth(context.Background())
 				return err
 			},
@@ -392,7 +392,7 @@ func TestClusterEndpoints(t *testing.T) {
 		},
 		{
 			name: "GetClusterStatus",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.GetClusterStatus(context.Background())
 				return err
 			},
@@ -400,7 +400,7 @@ func TestClusterEndpoints(t *testing.T) {
 		},
 		{
 			name: "GetClusterStatistics",
-			fn: func(s *GarageAdminService) error {
+			fn: func(s *GarageV2AdminService) error {
 				_, err := s.GetClusterStatistics(context.Background())
 				return err
 			},
@@ -427,12 +427,12 @@ func TestClusterEndpoints(t *testing.T) {
 func TestNodeEndpoints_NodeIDInQuery(t *testing.T) {
 	cases := []struct {
 		name string
-		fn   func(s *GarageAdminService, id string) error
+		fn   func(s *GarageV2AdminService, id string) error
 		path string
 	}{
 		{
 			name: "GetNodeInfo",
-			fn: func(s *GarageAdminService, id string) error {
+			fn: func(s *GarageV2AdminService, id string) error {
 				_, err := s.GetNodeInfo(context.Background(), id)
 				return err
 			},
@@ -440,7 +440,7 @@ func TestNodeEndpoints_NodeIDInQuery(t *testing.T) {
 		},
 		{
 			name: "GetNodeStatistics",
-			fn: func(s *GarageAdminService, id string) error {
+			fn: func(s *GarageV2AdminService, id string) error {
 				_, err := s.GetNodeStatistics(context.Background(), id)
 				return err
 			},
@@ -576,10 +576,10 @@ func TestAllMethods_Non2xxReturnsError(t *testing.T) {
 	}
 }
 
-// TestDebugLogLevelEnablesSessionLog exercises the NewGarageAdminService
+// TestDebugLogLevelEnablesSessionLog exercises the NewGarageV2AdminService
 // branch that enables azuretls' session logging when logLevel == "debug".
 func TestDebugLogLevelEnablesSessionLog(t *testing.T) {
-	svc := NewGarageAdminService(&config.GarageConfig{
+	svc := NewGarageV2AdminService(&config.GarageConfig{
 		AdminEndpoint: "http://127.0.0.1:1",
 		AdminToken:    "t",
 	}, "debug")
@@ -598,7 +598,7 @@ func TestDoRequest_RetriesExhaustOnConnectionRefused(t *testing.T) {
 		t.Fatalf("close listener: %v", err)
 	}
 
-	svc := NewGarageAdminService(&config.GarageConfig{
+	svc := NewGarageV2AdminService(&config.GarageConfig{
 		AdminEndpoint: "http://" + addr,
 		AdminToken:    "irrelevant",
 	}, "")

backend/internal/services/interfaces.go

@@ -9,7 +9,7 @@ import (
 )
 
 // AdminService is the set of Garage Admin API operations used by HTTP handlers.
-// It is implemented by *GarageAdminService in admin.go. Kept narrow so that
+// 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 {
@@ -28,6 +28,7 @@ type AdminService interface {
 	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)
@@ -47,6 +48,7 @@ type AdminService interface {
 // GetBucketStatistics) are intentionally excluded.
 type S3Storage interface {
 	ListObjects(ctx context.Context, bucketName, prefix string, maxKeys int, continuationToken string) (*models.ObjectListResponse, error)
+	SearchObjects(ctx context.Context, bucketName, prefix, search 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)
@@ -64,6 +66,7 @@ type S3Storage interface {
 
 // Compile-time guarantees that the concrete services implement the interfaces.
 var (
-	_ AdminService = (*GarageAdminService)(nil)
+	_ AdminService = (*GarageV2AdminService)(nil)
+	_ AdminService = (*GarageV1AdminService)(nil)
 	_ S3Storage    = (*S3Service)(nil)
 )

backend/internal/services/mocks/admin_mock.go

@@ -41,6 +41,7 @@ type AdminMock struct {
 	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)
@@ -168,6 +169,14 @@ func (m *AdminMock) AllowBucketKey(ctx context.Context, req models.BucketKeyPerm
 	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) {

backend/internal/services/mocks/mocks_test.go

@@ -38,6 +38,7 @@ func TestAdminMock_UnconfiguredMethodsReturnSentinel(t *testing.T) {
 		{"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 }},

backend/internal/services/mocks/s3_mock.go

@@ -23,14 +23,15 @@ var _ services.S3Storage = (*S3Mock)(nil)
 // 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)
+	ListObjectsFn           func(ctx context.Context, bucketName, prefix string, maxKeys int, continuationToken string) (*models.ObjectListResponse, error)
+	SearchObjectsFn         func(ctx context.Context, bucketName, prefix, search 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)
+	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
@@ -55,6 +56,14 @@ func (m *S3Mock) ListObjects(ctx context.Context, bucketName, prefix string, max
 	return m.ListObjectsFn(ctx, bucketName, prefix, maxKeys, continuationToken)
 }
 
+func (m *S3Mock) SearchObjects(ctx context.Context, bucketName, prefix, search string) (*models.ObjectListResponse, error) {
+	m.record("SearchObjects", bucketName, prefix, search)
+	if m.SearchObjectsFn == nil {
+		return nil, s3NotConfigured("SearchObjects")
+	}
+	return m.SearchObjectsFn(ctx, bucketName, prefix, search)
+}
+
 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 {

backend/internal/services/s3.go

@@ -11,6 +11,7 @@ import (
 
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/models"
+	logpkg "Noooste/garage-ui/pkg/logger"
 	"Noooste/garage-ui/pkg/utils"
 
 	"github.com/minio/minio-go/v7"
@@ -21,11 +22,11 @@ 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://") {
@@ -52,56 +53,77 @@ 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 +173,7 @@ 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 +194,7 @@ 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 +214,7 @@ 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)
 	}
@@ -219,17 +241,10 @@ 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)
 			}
@@ -310,10 +325,101 @@ func (s *S3Service) ListObjects(ctx context.Context, bucketName, prefix string,
 	}, nil
 }
 
+const (
+	searchMaxScan    = 10000 // stop after scanning this many objects
+	searchMaxResults = 1000  // stop after collecting this many matches
+	searchPageSize   = 1000  // objects requested per ListObjectsV2 page
+)
+
+func objectMatchesSearch(key string, size int64, lowerQuery string) bool {
+	if strings.HasSuffix(key, "/") && size == 0 {
+		return false
+	}
+	return strings.Contains(strings.ToLower(key), lowerQuery)
+}
+
+// SearchObjects performs a recursive, best-effort substring search over object
+// keys under the given prefix.
+func (s *S3Service) SearchObjects(ctx context.Context, bucketName, prefix, search string) (*models.ObjectListResponse, error) {
+	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)
+	}
+
+	core := &minio.Core{Client: client}
+	lowerQuery := strings.ToLower(search)
+
+	matches := make([]models.ObjectInfo, 0, 64)
+	scanned := 0
+	truncated := false
+	token := ""
+
+scan:
+	for {
+		result, err := core.ListObjectsV2(
+			bucketName,
+			prefix,
+			"",
+			token,
+			"",
+			searchPageSize,
+		)
+		if err != nil {
+			return nil, fmt.Errorf("failed to search objects in bucket %s: %w", bucketName, err)
+		}
+
+		for _, obj := range result.Contents {
+			scanned++
+			if objectMatchesSearch(obj.Key, obj.Size, lowerQuery) {
+				matches = append(matches, models.ObjectInfo{
+					Key:          obj.Key,
+					Size:         obj.Size,
+					LastModified: obj.LastModified,
+					ETag:         obj.ETag,
+					StorageClass: obj.StorageClass,
+				})
+				if len(matches) >= searchMaxResults {
+					truncated = true
+					break scan
+				}
+			}
+			if scanned >= searchMaxScan {
+				truncated = true
+				break scan
+			}
+		}
+
+		if !result.IsTruncated || result.NextContinuationToken == "" {
+			break
+		}
+		token = result.NextContinuationToken
+	}
+
+	if truncated {
+		logpkg.FromCtx(ctx).Warn().
+			Str("bucket", bucketName).
+			Str("prefix", prefix).
+			Int("scanned", scanned).
+			Int("matches", len(matches)).
+			Msg("search hit scan/result cap; results are partial")
+	}
+
+	return &models.ObjectListResponse{
+		Bucket:      bucketName,
+		Objects:     matches,
+		Prefixes:    []string{},
+		Count:       len(matches),
+		IsTruncated: truncated,
+		// Search returns all matches up to the cap in one response; there is no
+		// token-based pagination for search results.
+		NextContinuationToken: "",
+	}, nil
+}
+
 // 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)
 	}
@@ -351,7 +457,7 @@ func (s *S3Service) UploadObject(ctx context.Context, bucketName, key string, bo
 // 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)
+	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)
 	}
@@ -381,7 +487,7 @@ func (s *S3Service) CreateDirectoryMarker(ctx context.Context, bucketName, key s
 // 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)
+	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)
 	}
@@ -421,7 +527,7 @@ 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)
+	client, err := s.getMinioClient(ctx, bucketName, OpWrite)
 	if err != nil {
 		return fmt.Errorf("failed to get MinIO client for bucket %s: %w", bucketName, err)
 	}
@@ -441,7 +547,7 @@ 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)
 	}
@@ -469,7 +575,7 @@ 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)
 	}
@@ -505,7 +611,7 @@ 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)
 	}
@@ -540,7 +646,7 @@ 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)
 	}
@@ -579,7 +685,7 @@ 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

@@ -62,7 +62,7 @@ func newS3TestService(t *testing.T, s3Handler http.Handler) *S3Service {
 	srv := httptest.NewServer(combined)
 	t.Cleanup(srv.Close)
 
-	admin := NewGarageAdminService(&config.GarageConfig{
+	admin := NewGarageV2AdminService(&config.GarageConfig{
 		AdminEndpoint: srv.URL,
 		AdminToken:    "test",
 	}, "")

backend/internal/services/s3_search_test.go

@@ -0,0 +1,121 @@
+package services
+
+import (
+	"context"
+	"io"
+	"net/http"
+	"strings"
+	"testing"
+	"time"
+)
+
+// s3SearchHandler serves a two-page recursive ListObjectsV2 response and counts
+// HEAD (StatObject) requests. Page selection is driven by the
+// `continuation-token` query parameter, mirroring how the MinIO SDK paginates.
+func s3SearchHandler(bucket string, page1, page2 []struct {
+	Key          string
+	Size         int64
+	LastModified string
+	ETag         string
+}) (http.Handler, *int, *string) {
+	var heads int
+	var lastDelimiter string
+	h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == http.MethodHead {
+			heads++
+			w.Header().Set("Content-Length", "0")
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+		lastDelimiter = r.URL.Query().Get("delimiter")
+		w.Header().Set("Content-Type", "application/xml")
+		w.WriteHeader(http.StatusOK)
+		if r.URL.Query().Get("continuation-token") == "PAGE2" {
+			_, _ = io.WriteString(w, listBucketResultXML(bucket, false, "", page2, nil))
+			return
+		}
+		_, _ = io.WriteString(w, listBucketResultXML(bucket, true, "PAGE2", page1, nil))
+	})
+	return h, &heads, &lastDelimiter
+}
+
+// TestS3_SearchObjects_FindsMatchOnLaterPage reproduces issue #87: an object
+// that lives on the second page of a listing must still be found by search.
+// SearchObjects should page through the whole listing recursively.
+func TestS3_SearchObjects_FindsMatchOnLaterPage(t *testing.T) {
+	bucket := "b-TestS3_SearchObjects_FindsMatchOnLaterPage"
+	page1 := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "docs/alpha.txt", Size: 10},
+		{Key: "docs/beta.txt", Size: 10},
+	}
+	page2 := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "docs/target-report.pdf", Size: 20},
+		{Key: "docs/gamma.txt", Size: 10},
+	}
+	h, heads, lastDelimiter := s3SearchHandler(bucket, page1, page2)
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	got, err := s3.SearchObjects(ctx, bucket, "", "target")
+	if err != nil {
+		t.Fatalf("SearchObjects: %v", err)
+	}
+	if got.Count != 1 || len(got.Objects) != 1 || got.Objects[0].Key != "docs/target-report.pdf" {
+		t.Fatalf("expected to find docs/target-report.pdf on page 2, got %+v", got.Objects)
+	}
+	// Search must be recursive (no delimiter) so it descends into folders.
+	if *lastDelimiter != "" {
+		t.Errorf("delimiter = %q, want empty (recursive listing)", *lastDelimiter)
+	}
+	// Search must not fetch ContentType per object — that would be N stat calls.
+	if *heads != 0 {
+		t.Errorf("StatObject (HEAD) calls = %d, want 0 during search", *heads)
+	}
+}
+
+// TestS3_SearchObjects_ExcludesDirectoryMarkersAndIsCaseInsensitive verifies
+// that zero-byte directory markers never appear as matches and that matching
+// is a case-insensitive substring test on the full key.
+func TestS3_SearchObjects_ExcludesDirectoryMarkersAndIsCaseInsensitive(t *testing.T) {
+	bucket := "b-TestS3_SearchObjects_ExcludesDirectoryMarkers"
+	page1 := []struct {
+		Key          string
+		Size         int64
+		LastModified string
+		ETag         string
+	}{
+		{Key: "Reports/", Size: 0},              // directory marker — must be excluded
+		{Key: "Reports/Q1-REPORT.csv", Size: 5}, // matches "report" case-insensitively
+		{Key: "images/logo.png", Size: 5},       // no match
+	}
+	h, _, _ := s3SearchHandler(bucket, page1, nil)
+	s3 := newS3TestService(t, h)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	got, err := s3.SearchObjects(ctx, bucket, "", "report")
+	if err != nil {
+		t.Fatalf("SearchObjects: %v", err)
+	}
+	if got.Count != 1 || got.Objects[0].Key != "Reports/Q1-REPORT.csv" {
+		t.Fatalf("expected only Reports/Q1-REPORT.csv, got %+v", got.Objects)
+	}
+	for _, o := range got.Objects {
+		if strings.HasSuffix(o.Key, "/") {
+			t.Errorf("directory marker leaked into results: %q", o.Key)
+		}
+	}
+}

backend/internal/services/s3_test.go

@@ -3,6 +3,7 @@ package services
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"strings"
@@ -56,14 +57,14 @@ func TestNewS3Service_LeavesBareHostUnchanged(t *testing.T) {
 	}
 }
 
-// adminBackedS3 wires an S3Service to a fresh GarageAdminService that talks
+// 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 := NewGarageAdminService(&config.GarageConfig{
+	admin := NewGarageV2AdminService(&config.GarageConfig{
 		AdminEndpoint: srv.URL,
 		AdminToken:    "test-token",
 	}, "")
@@ -80,7 +81,9 @@ func uniqueBucket(t *testing.T) string {
 	t.Helper()
 	name := "test-bucket-" + t.Name()
 	t.Cleanup(func() {
-		utils.GlobalCache.Delete("key:" + name)
+		for _, op := range []Operation{OpRead, OpWrite, OpRead | OpWrite} {
+			utils.GlobalCache.Delete(fmt.Sprintf("key:%s:%d", name, op))
+		}
 	})
 	return name
 }
@@ -111,7 +114,7 @@ func TestGetBucketCredentials_HappyPath(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	creds, err := s3.getBucketCredentials(context.Background(), bucket)
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
 	if err != nil {
 		t.Fatalf("getBucketCredentials: %v", err)
 	}
@@ -152,7 +155,7 @@ func TestGetBucketCredentials_CachesAcrossCalls(t *testing.T) {
 	s3, _ := adminBackedS3(t, mux)
 
 	for i := range 3 {
-		if _, err := s3.getBucketCredentials(context.Background(), bucket); err != nil {
+		if _, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite); err != nil {
 			t.Fatalf("call %d: %v", i, err)
 		}
 	}
@@ -164,7 +167,82 @@ func TestGetBucketCredentials_CachesAcrossCalls(t *testing.T) {
 	}
 }
 
-func TestGetBucketCredentials_SkipsKeysWithoutReadOrWrite(t *testing.T) {
+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"
 
@@ -191,7 +269,7 @@ func TestGetBucketCredentials_SkipsKeysWithoutReadOrWrite(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	creds, err := s3.getBucketCredentials(context.Background(), bucket)
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
 	if err != nil {
 		t.Fatalf("getBucketCredentials: %v", err)
 	}
@@ -204,6 +282,112 @@ func TestGetBucketCredentials_SkipsKeysWithoutReadOrWrite(t *testing.T) {
 	}
 }
 
+// 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)
 
@@ -219,7 +403,7 @@ func TestGetBucketCredentials_NoEligibleKeyReturnsError(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	_, err := s3.getBucketCredentials(context.Background(), bucket)
+	_, err := s3.getBucketCredentials(context.Background(), bucket, OpRead)
 	if err == nil {
 		t.Fatal("expected error when bucket has no keys, got nil")
 	}
@@ -254,7 +438,7 @@ func TestGetBucketCredentials_KeyWithoutSecretIsSkipped(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	creds, err := s3.getBucketCredentials(context.Background(), bucket)
+	creds, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
 	if err != nil {
 		t.Fatalf("getBucketCredentials: %v", err)
 	}
@@ -277,7 +461,7 @@ func TestGetBucketCredentials_AdminErrorPropagates(t *testing.T) {
 	})
 	s3, _ := adminBackedS3(t, mux)
 
-	_, err := s3.getBucketCredentials(context.Background(), bucket)
+	_, err := s3.getBucketCredentials(context.Background(), bucket, OpRead|OpWrite)
 	if err == nil {
 		t.Fatal("expected error when admin call fails, got nil")
 	}

backend/main.go

@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"Noooste/garage-ui/internal/auth"
+	"Noooste/garage-ui/internal/authz"
 	"Noooste/garage-ui/internal/config"
 	"Noooste/garage-ui/internal/handlers"
 	appmw "Noooste/garage-ui/internal/middleware"
@@ -64,10 +65,24 @@ 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()
 
+	// Env var fallback for --garage-toml
+	if *garageTomlPath == "" {
+		if envPath := os.Getenv("GARAGE_UI_GARAGE_TOML"); envPath != "" {
+			*garageTomlPath = envPath
+		}
+	}
+
+	// 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)
+	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")
@@ -87,9 +102,21 @@ func main() {
 		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
-	logger.Info().Msg("Initializing Garage Admin service")
-	adminService := services.NewGarageAdminService(&cfg.Garage, cfg.Logging.Level)
+	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, cfg.AccessControl != nil)
 
 	logger.Info().Msg("Initializing S3 service")
 	s3Service := services.NewS3Service(&cfg.Garage, adminService)
@@ -102,6 +129,9 @@ 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")
 	}
@@ -111,6 +141,15 @@ func main() {
 		logger.Fatal().Err(err).Msg("Failed to initialize auth service")
 	}
 
+	policy, err := authz.CompilePolicy(cfg.AccessControl)
+	if err != nil {
+		logger.Fatal().Err(err).Msg("Invalid access_control configuration")
+	}
+	if cfg.AccessControl != nil && !cfg.Auth.OIDC.Enabled {
+		logger.Warn().Msg("access_control is configured but OIDC is disabled: admin and token logins are always full-admin in v1, so the policy currently gates nothing")
+	}
+	azMiddleware := authz.NewMiddleware(policy, authz.NewTeamResolver(policy, cfg.Auth.OIDC.EffectiveAdminRoles()), authz.NewAuthorizer())
+
 	// Initialize handlers
 	healthHandler := handlers.NewHealthHandler(version)
 	bucketHandler := handlers.NewBucketHandler(adminService, s3Service)
@@ -182,18 +221,25 @@ func main() {
 		userHandler,
 		clusterHandler,
 		monitoringHandler,
+		capabilitiesHandler,
+		azMiddleware,
 	)
 
+	if err := authz.VerifyRouteCoverage(app); err != nil {
+		logger.Fatal().Err(err).Msg("authz route coverage check failed")
+	}
+
 	// Start server in a goroutine
 	go func() {
 		addr := cfg.GetAddress()
 		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 {
+		if err := app.Listen(addr, fiber.ListenConfig{ListenerNetwork: fiber.NetworkTCP}); err != nil {
 			logger.Fatal().Err(err).Msg("Failed to start server")
 		}
 	}()

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
@@ -69,7 +75,16 @@ auth:
 
     # Role-based access (optional)
     role_attribute_path: "resource_access.garage-ui.roles"
+    # Team-based access control (optional, see access_control below).
+    # team_attribute_path: "groups"
+    # 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
@@ -81,6 +96,29 @@ auth:
     cookie_http_only: true
     cookie_same_site: "lax" # lax, strict, none
 
+# Optional: team-based access control (issue #33).
+# Absent  -> every authenticated user has full access (historical behavior).
+# Present -> default-deny: OIDC users get only what their teams grant; users
+#            matching no team get 403 everywhere. admin_role users, admin
+#            password logins, and token logins are always full-admin in v1.
+# NOTE: this is UI-layer policy, NOT a security boundary. Anyone holding the
+# Garage admin token or S3 keys bypasses it entirely.
+#
+# access_control:
+#   presets:
+#     bucket_readonly: [bucket.list, bucket.read, object.list, object.read]
+#     bucket_owner: ["preset:bucket_readonly", bucket.create, bucket.update,
+#                    bucket.delete, object.write, object.delete]
+#   teams:
+#     - name: backend
+#       claim_values: ["garage-team-backend"]   # matched against team_attribute_path claim
+#       bindings:
+#         - bucket_prefixes: ["backend-"]
+#           permissions: ["preset:bucket_owner"]
+#         - bucket_prefixes: ["shared-"]
+#           permissions: ["preset:bucket_readonly"]
+#       cluster_permissions: [cluster.status, cluster.health]
+
 # CORS Configuration (for frontend)
 cors:
   enabled: true

docs/access-control.md

@@ -0,0 +1,170 @@
+# Multi-User Access Control
+
+Garage UI can limit what each user sees and does, based on the teams in their OIDC claims.
+
+It's optional. With no config, every authenticated user has full access, exactly like before.
+
+## Not a security boundary
+
+Read this before using access control for anything sensitive.
+
+Garage UI talks to Garage with one admin token and one set of S3 keys. Access control lives in the UI only; Garage itself does not enforce it. Anyone holding the underlying admin token or raw S3 keys bypasses it completely.
+
+Use it to give teams a convenient, scoped UI. Don't use it as a replacement for real per-tenant credentials or network isolation.
+
+## Configuration
+
+Two settings drive access control:
+
+1. `team_attribute_path`: the OIDC claim that lists a user's teams.
+2. `access_control`: maps teams to permissions.
+
+```yaml
+auth:
+  oidc:
+    # Existing keys unchanged. New:
+    team_attribute_path: "groups"   # go-jmespath, same convention as role_attribute_path
+
+access_control:                     # absent = full access for everyone; present = default-deny
+  presets:
+    bucket_readonly: [bucket.list, bucket.read, object.list, object.read]
+    bucket_owner: ["preset:bucket_readonly", bucket.create, bucket.update,
+                   bucket.delete, object.write, object.delete]
+  teams:
+    - name: backend
+      claim_values: ["garage-team-backend"]   # matched against the team_attribute_path claim
+      bindings:
+        - bucket_prefixes: ["backend-"]
+          permissions: ["preset:bucket_owner"]
+        - bucket_prefixes: ["shared-"]
+          permissions: ["preset:bucket_readonly"]
+      cluster_permissions: [cluster.status, cluster.health]
+```
+
+A few things to know:
+
+- `team_attribute_path` is a [go-jmespath](https://github.com/jmespath/go-jmespath) expression evaluated against the OIDC claims, the same way `role_attribute_path` works. It's required when `access_control.teams` is set and OIDC is on. If it's missing, startup fails with a clear error.
+- `access_control` can only be set in the config file. There's no environment variable for it, because nested team and binding lists don't fit flat `GARAGE_UI_*` variables.
+- If `access_control` is present but OIDC is off, the server still starts but logs a warning. Without OIDC users the policy gates nothing, since admin-password and token logins are always full admin (see [Admin model](#admin-model)).
+
+## How it works
+
+### Default-deny
+
+With `access_control` set, an OIDC user who matches no team gets a 403 on every `/api/v1` endpoint. The one exception is `GET /api/v1/capabilities`, which returns their (empty) permissions so the frontend can show a "no access" screen.
+
+### Union of teams
+
+A user who matches several teams gets everything those teams grant.
+
+Bindings stay separate, though. Say one binding grants `read` on `backend-*` and another grants `write` on `data-*`. The user does not end up with both permissions on both prefixes. Each binding keeps its own prefixes and its own permissions.
+
+### Prefix match
+
+`bucket_prefixes` are plain string prefixes on bucket names (no globbing on the name itself). Use `"*"` to match every bucket.
+
+### Presets
+
+Reference a preset with the `preset:` prefix inside any `permissions` or `cluster_permissions` list, for example `"preset:bucket_owner"`. Presets can reference other presets. Unknown references and cycles both fail startup.
+
+### Permission globs
+
+A trailing-star glob like `bucket.*`, `object.*`, or `cluster.layout.*` expands against the permission vocabulary when config loads. Use scoped globs:
+
+- `bucket.*`, `object.*` inside a binding's `permissions`
+- `cluster.*`, `node.*`, `worker.*`, `block.*` under `cluster_permissions`
+
+A bare `*` is technically a glob, but it almost always fails validation: it mixes prefix-scoped and global-scoped permissions, and a permission placed in the wrong scope is rejected at startup. Globs never include admin-only permissions, and in v1 there's no team-level way to grant those.
+
+### Admin model
+
+These identities become a synthetic admin:
+
+- OIDC users with a configured `admin_role` / `admin_roles`
+- all non-OIDC logins (admin-password, Garage admin token)
+
+An admin gets every permission on every bucket, plus every cluster permission. Admins run through the same authorizer as any team; there's no `IsAdmin` shortcut that skips the check.
+
+### Startup validation
+
+The server refuses to start when the policy is invalid: an unknown permission, an unknown or cyclic preset, an admin-only permission granted to a team, a duplicate team name, a team with empty `claim_values`, or a team with no bindings and no cluster permissions.
+
+It also refuses to start if any `/api/v1` route has no declared permission, so a route can never ship un-gated (see [Troubleshooting](#troubleshooting)).
+
+## Not in v1
+
+- **No non-OIDC team mapping.** Admin-password and Garage-admin-token logins are always full admin. Only OIDC users can be scoped to a team.
+- **`ListKeys` is not filtered.** Anyone with `key.list` sees every access key. Everything past `key.list` / `key.read` is admin-only (`key.read_secret`, `key.create`, `key.import`, `key.update`, `key.delete`).
+- **No `admin_token.*` permissions.** Direct access to the raw Garage admin token is admin-only and not part of the vocabulary.
+- **No ABAC, policy language, database-backed policy, or per-user grants.** Policy is YAML, compiled once at startup.
+
+## Permission vocabulary (v1)
+
+Permission names are lowercase and dot-separated: two segments, or three for `cluster.layout.*`. The source of truth is `backend/internal/authz/vocabulary.go`. This table mirrors it by hand, and there's no doc generation in v1, so update the table whenever you change the registry.
+
+| Permission | Scope | Admin-only v1 | Garage endpoint / backing |
+|---|---|---|---|
+| `bucket.list` | prefix | | ListBuckets (response-filtered) |
+| `bucket.read` | prefix | | GetBucketInfo |
+| `bucket.create` | prefix | | CreateBucket (new name must match a prefix) |
+| `bucket.update` | prefix | | UpdateBucket |
+| `bucket.delete` | prefix | | DeleteBucket |
+| `bucket.cleanup_uploads` | prefix | | CleanupIncompleteUploads |
+| `bucket.inspect_object` | prefix | | InspectObject |
+| `bucket_alias.add` | prefix | | AddBucketAlias |
+| `bucket_alias.remove` | prefix | | RemoveBucketAlias |
+| `object.list` | prefix | | S3 data plane (ListObjects) |
+| `object.read` | prefix | | S3 data plane (Get/Head/Metadata/Presign; presign is download-only) |
+| `object.write` | prefix | | S3 data plane (Upload, CreateDirectory) |
+| `object.delete` | prefix | | S3 data plane (Delete, DeleteMultiple) |
+| `permission.allow_bucket_key` | prefix | | AllowBucketKey |
+| `permission.deny_bucket_key` | prefix | | DenyBucketKey |
+| `key.list` | global | | ListKeys (unfiltered in v1; grantee sees all keys) |
+| `key.read` | global | | GetKeyInfo (without secret) |
+| `key.read_secret` | global | yes | GetKeyInfo with secret material |
+| `key.create` | global | yes | CreateKey |
+| `key.import` | global | yes | ImportKey |
+| `key.update` | global | yes | UpdateKey |
+| `key.delete` | global | yes | DeleteKey |
+| `cluster.status` | global | | GetClusterStatus |
+| `cluster.health` | global | | GetClusterHealth |
+| `cluster.statistics` | global | | GetClusterStatistics |
+| `cluster.connect_nodes` | global | | ConnectClusterNodes |
+| `cluster.layout.read` | global | | GetClusterLayout |
+| `cluster.layout.history` | global | | GetClusterLayoutHistory |
+| `cluster.layout.apply` | global | | ApplyClusterLayout |
+| `cluster.layout.skip_dead_nodes` | global | | ClusterLayoutSkipDeadNodes |
+| `node.info` | global | | GetNodeInfo |
+| `node.statistics` | global | | GetNodeStatistics |
+| `node.snapshot` | global | | CreateMetadataSnapshot |
+| `node.repair` | global | | LaunchRepairOperation |
+| `worker.list` | global | | ListWorkers |
+| `worker.info` | global | | GetWorkerInfo |
+| `worker.get_variable` | global | | GetWorkerVariable |
+| `worker.set_variable` | global | | SetWorkerVariable |
+| `block.list_errors` | global | | ListBlockErrors |
+| `block.info` | global | | GetBlockInfo |
+
+Some permissions have no UI route yet: `bucket.cleanup_uploads`, `bucket.inspect_object`, `bucket_alias.*`, `cluster.layout.*`, `worker.*`, `block.*`, `cluster.connect_nodes`, `node.snapshot`, `node.repair`, and `key.import`. They're valid in config but don't gate anything in the UI yet. The vocabulary is complete up front so your config keeps working as the UI grows.
+
+Dangerous operations (`cluster.layout.apply`, `node.repair`, `worker.set_variable`) are separate, individually grantable permissions. They're never bundled into a read-only preset, so you can give a team cluster visibility without also giving it the power to break the cluster.
+
+`POST /api/v1/buckets/:name/permissions` sets permissions by doing an allow and a deny in one call, so it needs **both** `permission.allow_bucket_key` and `permission.deny_bucket_key`. One of the two alone is not enough.
+
+## Troubleshooting
+
+**A user gets 403s they shouldn't.** Open `GET /api/v1/capabilities` while logged in as that user. The `access_control` block shows their resolved `bindings` and `cluster_permissions` (empty arrays mean they matched no team). Check that the IdP actually sends the claim named by `team_attribute_path`, and that its values match a team's `claim_values` exactly (string match, no wildcards on the claim value).
+
+**403 responses name the missing permission.** The message is `Missing permission: <permission.name>`. That's the exact permission that was denied, so you know which binding, preset, or `cluster_permissions` entry to add.
+
+**Decision logs.** Every check logs one line, `authz_decision`, with fields `subject`, `action`, `resource`, `decision` (`allow` / `deny`), and `reason` (such as `binding_match`, `any_binding`, `no_matching_binding`, `cluster_permission`, `no_cluster_permission`, `no_subject`). Denials log at `warn`, allows at `debug`. Set `logging.level` to `debug` to see successful checks too. There's no separate audit log in v1; this goes through the normal application logger.
+
+**Startup fails with `access_control: ...` or `authz: routes without Require permission declaration: ...`.** Both are intentional fail-closed checks, not bugs:
+
+- An invalid policy (unknown permission, bad preset reference, admin-only permission handed to a team, duplicate team name, empty `claim_values`, or a team with no bindings or cluster permissions) stops startup with an error naming the problem.
+- A `/api/v1` route wired without a permission requirement also stops startup. This is a build-time safety net, not something you trigger by editing config, but it can show up after a `git pull` that adds a route without its enforcement wiring.
+
+## See also
+
+- [config.example.yaml](../config.example.yaml): the full commented `access_control` example.
+- [garage-setup.md](garage-setup.md): general Garage UI and Garage setup.

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.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": "^7.16.0",
     "recharts": "^3.5.0",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",
@@ -36,16 +36,16 @@
     "@types/node": "^24.10.1",
     "@types/react": "^19.2.5",
     "@types/react-dom": "^19.2.3",
-    "@vitejs/plugin-react": "^5.1.1",
+    "@vitejs/plugin-react": "^5.2.0",
     "autoprefixer": "^10.4.22",
     "eslint": "^9.39.1",
     "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": "^8.0.16"
   }
 }

frontend/src/components/auth/TokenLoginForm.tsx

@@ -0,0 +1,71 @@
+import { useState } from 'react';
+import { useNavigate, useSearchParams } from 'react-router-dom';
+import { useAuthStore } from '@/store/auth-store';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+
+export function TokenLoginForm() {
+  const [token, setToken] = useState('');
+  const [isLoading, setIsLoading] = useState(false);
+  const [searchParams] = useSearchParams();
+  const navigate = useNavigate();
+  const { loginToken } = useAuthStore();
+
+  const returnUrl = searchParams.get('returnUrl') || '/';
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setIsLoading(true);
+
+    try {
+      await loginToken(token);
+      navigate(decodeURIComponent(returnUrl));
+    } catch (error) {
+      console.error('Login failed:', error);
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  return (
+    <Card className="w-full">
+      <CardHeader className="space-y-1">
+        <div className="flex items-center justify-center mb-4">
+          <img
+            src="/garage.png"
+            alt="Garage Logo"
+            className="h-16 w-16 object-contain"
+          />
+        </div>
+        <CardTitle className="text-2xl text-center">
+          Welcome to Garage UI
+        </CardTitle>
+      </CardHeader>
+      <CardContent>
+        <form onSubmit={handleSubmit} className="space-y-4">
+          <div className="space-y-2">
+            <label htmlFor="admin-token" className="text-sm font-medium">Admin Token</label>
+            <Input
+              id="admin-token"
+              type="password"
+              placeholder="Enter your Garage admin token"
+              value={token}
+              onChange={(e) => setToken(e.target.value)}
+              required
+              disabled={isLoading}
+              autoComplete="off"
+            />
+          </div>
+          <Button
+            type="submit"
+            className="w-full"
+            disabled={isLoading || !token}
+          >
+            {isLoading ? 'Signing in...' : 'Sign in'}
+          </Button>
+        </form>
+      </CardContent>
+    </Card>
+  );
+}

frontend/src/components/buckets/BucketListView.tsx

@@ -12,6 +12,7 @@ import {
 import { FolderIcon, Globe, Loader2, MoreVertical, Search, Settings, Trash2 } from 'lucide-react';
 import { formatBytes } from '@/lib/file-utils';
 import { formatDate } from '@/lib/utils';
+import { useBucketCan } from '@/hooks/usePermissions';
 import type { Bucket } from '@/types';
 
 interface BucketListViewProps {
@@ -35,6 +36,7 @@ export function BucketListView({
   onDeleteBucket,
   onWebsiteSettings,
 }: BucketListViewProps) {
+  const canBucket = useBucketCan();
   const filteredBuckets = buckets.filter((bucket) =>
     bucket.name.toLowerCase().includes(searchQuery.toLowerCase())
   );
@@ -118,31 +120,39 @@ export function BucketListView({
                           <FolderIcon className="h-4 w-4" />
                           View Objects
                         </DropdownMenuItem>
-                        <DropdownMenuItem onClick={(e) => {
-                          e.stopPropagation();
-                          onOpenSettings(bucket);
-                        }}>
-                          <Settings className="h-4 w-4" />
-                          Settings
-                        </DropdownMenuItem>
-                        <DropdownMenuItem onClick={(e) => {
-                          e.stopPropagation();
-                          onWebsiteSettings(bucket);
-                        }}>
-                          <Globe className="h-4 w-4" />
-                          Website Settings
-                        </DropdownMenuItem>
-                        <DropdownMenuSeparator />
-                        <DropdownMenuItem
-                          className="text-destructive"
-                          onClick={(e) => {
-                            e.stopPropagation();
-                            onDeleteBucket(bucket);
-                          }}
-                        >
-                          <Trash2 className="h-4 w-4" />
-                          Delete
-                        </DropdownMenuItem>
+                        {canBucket(bucket, 'bucket.update') && (
+                          <>
+                            <DropdownMenuItem onClick={(e) => {
+                              e.stopPropagation();
+                              onOpenSettings(bucket);
+                            }}>
+                              <Settings className="h-4 w-4" />
+                              Settings
+                            </DropdownMenuItem>
+                            <DropdownMenuItem onClick={(e) => {
+                              e.stopPropagation();
+                              onWebsiteSettings(bucket);
+                            }}>
+                              <Globe className="h-4 w-4" />
+                              Website Settings
+                            </DropdownMenuItem>
+                          </>
+                        )}
+                        {canBucket(bucket, 'bucket.delete') && (
+                          <>
+                            <DropdownMenuSeparator />
+                            <DropdownMenuItem
+                              className="text-destructive"
+                              onClick={(e) => {
+                                e.stopPropagation();
+                                onDeleteBucket(bucket);
+                              }}
+                            >
+                              <Trash2 className="h-4 w-4" />
+                              Delete
+                            </DropdownMenuItem>
+                          </>
+                        )}
                       </DropdownMenuContent>
                     </DropdownMenu>
                   </TableCell>

frontend/src/components/buckets/ObjectBrowserView.tsx

@@ -6,7 +6,7 @@ import {ObjectsTable} from './ObjectsTable';
 import {CreateDirectoryDialog} from './CreateDirectoryDialog';
 import {DeleteObjectDialog} from './DeleteObjectDialog';
 import {UploadProgress} from './UploadProgress';
-import {ArrowLeft, ChevronRight, FolderPlus, Home, RotateCwIcon, Search, Trash, Upload} from 'lucide-react';
+import {ArrowLeft, ChevronRight, FolderPlus, Home, RotateCwIcon, ScanSearch, Search, Trash, Upload} from 'lucide-react';
 import {getBreadcrumbs} from '@/lib/file-utils';
 import type {S3Object, UploadTask} from '@/types';
 
@@ -15,18 +15,21 @@ interface ObjectBrowserViewProps {
   objects: S3Object[];
   currentPath: string;
   searchQuery: string;
+  filterQuery: string;
+  deepSearch: boolean;
   isLoading?: boolean;
   isTruncated?: boolean;
   nextContinuationToken?: string;
   itemsPerPage: number;
   onSearchChange: (query: string) => void;
+  onDeepSearchChange: (enabled: boolean) => void;
   onNavigateToFolder: (path: string) => void;
   onBackToBuckets: () => void;
-  onUploadFiles: (files: File[]) => Promise<boolean>;
+  onUploadFiles?: (files: File[]) => Promise<boolean>;
   uploadTasks: UploadTask[];
-  onDeleteObject: (key: string) => Promise<boolean>;
-  onDeleteMultipleObjects: (keys: string[]) => Promise<boolean>;
-  onCreateDirectory: (name: string) => Promise<boolean>;
+  onDeleteObject?: (key: string) => Promise<boolean>;
+  onDeleteMultipleObjects?: (keys: string[]) => Promise<boolean>;
+  onCreateDirectory?: (name: string) => Promise<boolean>;
   onRefresh: () => Promise<void>;
   onPageChange: (token?: string) => void;
   onItemsPerPageChange: (count: number) => void;
@@ -41,11 +44,14 @@ export function ObjectBrowserView({
   objects,
   currentPath,
   searchQuery,
+  filterQuery,
+  deepSearch,
   isLoading = false,
   isTruncated = false,
   nextContinuationToken,
   itemsPerPage,
   onSearchChange,
+  onDeepSearchChange,
   onNavigateToFolder,
   onBackToBuckets,
   onUploadFiles,
@@ -69,6 +75,8 @@ export function ObjectBrowserView({
 
   const { getRootProps, getInputProps, isDragActive } = useDropzone({
     onDrop: async (acceptedFiles, _fileRejections, event) => {
+      if (!onUploadFiles) return;
+
       // Get files with their full paths from DataTransferItems API
       const filesWithPaths: File[] = [];
 
@@ -95,6 +103,7 @@ export function ObjectBrowserView({
       setShowUploadZone(false);
     },
     noClick: true,
+    disabled: !onUploadFiles,
   });
 
   // Helper function to traverse file/directory tree
@@ -147,13 +156,14 @@ export function ObjectBrowserView({
   };
 
   const handleBulkDeleteFiles = async () => {
-    if (selectedFileKeys.size === 0) return;
+    if (!onDeleteMultipleObjects || selectedFileKeys.size === 0) return;
 
     await onDeleteMultipleObjects(Array.from(selectedFileKeys));
     setSelectedFileKeys(new Set());
   };
 
   const handleDeleteObject = async (key: string): Promise<boolean> => {
+    if (!onDeleteObject) return false;
     const success = await onDeleteObject(key);
     if (success) {
       setDeleteObjectDialogOpen(false);
@@ -163,6 +173,7 @@ export function ObjectBrowserView({
   };
 
   const uploadFiles = async (files: File[]) => {
+    if (!onUploadFiles) return;
     await onUploadFiles(files);
     setShowUploadZone(false);
   };
@@ -199,17 +210,34 @@ export function ObjectBrowserView({
 
         {/* Toolbar */}
         <div className="flex flex-col sm:flex-row items-stretch sm:items-center justify-between gap-3">
-          <div className="relative flex-1 max-w-full sm:max-w-xs">
-            <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
-            <Input
-              placeholder="Search objects..."
-              value={searchQuery}
-              onChange={(e) => onSearchChange(e.target.value)}
-              className="pl-8"
-            />
+          <div className="flex flex-1 items-center gap-2 max-w-full sm:max-w-md">
+            <div className="relative flex-1">
+              <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
+              <Input
+                placeholder={deepSearch ? 'Deep search names…' : 'Search by name prefix…'}
+                value={searchQuery}
+                onChange={(e) => onSearchChange(e.target.value)}
+                className="pl-8"
+              />
+            </div>
+            <Button
+              type="button"
+              variant={deepSearch ? 'primary' : 'secondary'}
+              onClick={() => onDeepSearchChange(!deepSearch)}
+              aria-pressed={deepSearch}
+              title={
+                deepSearch
+                  ? 'Deep search: ON. Matches names anywhere and descends into subfolders. Scans the bucket, results may be partial on very large buckets. Click for fast prefix search.'
+                  : 'Fast prefix search: matches the start of object names in this folder (like the AWS S3 / Cloudflare R2 console). Click to enable deep search (substring + subfolders).'
+              }
+              className="shrink-0"
+            >
+              <ScanSearch className="h-4 w-4" />
+              <span className="hidden sm:inline">Deep</span>
+            </Button>
           </div>
           <div className="flex items-center gap-2 flex-wrap">
-            {selectedFileKeys.size > 0 && (
+            {onDeleteMultipleObjects && selectedFileKeys.size > 0 && (
               <Button
                 onClick={handleBulkDeleteFiles}
                 title={`Delete ${selectedFileKeys.size} selected file(s)`}
@@ -219,14 +247,18 @@ export function ObjectBrowserView({
                 Delete {selectedFileKeys.size} file{selectedFileKeys.size !== 1 ? 's' : ''}
               </Button>
             )}
-            <Button variant="secondary" onClick={() => setShowUploadZone(!showUploadZone)} className="flex-1 sm:flex-initial">
-              <Upload className="h-4 w-4" />
-              <span className="hidden sm:inline">Upload</span>
-            </Button>
-            <Button onClick={() => setCreateDirDialogOpen(true)} className="flex-1 sm:flex-initial">
-              <FolderPlus className="h-4 w-4" />
-              <span className="hidden sm:inline">Add Directory</span>
-            </Button>
+            {onUploadFiles && (
+              <Button variant="secondary" onClick={() => setShowUploadZone(!showUploadZone)} className="flex-1 sm:flex-initial">
+                <Upload className="h-4 w-4" />
+                <span className="hidden sm:inline">Upload</span>
+              </Button>
+            )}
+            {onCreateDirectory && (
+              <Button onClick={() => setCreateDirDialogOpen(true)} className="flex-1 sm:flex-initial">
+                <FolderPlus className="h-4 w-4" />
+                <span className="hidden sm:inline">Add Directory</span>
+              </Button>
+            )}
             <Button variant="secondary" size="icon" onClick={onRefresh} title="Refresh" disabled={isRefreshing}>
               <RotateCwIcon className={`h-4 w-4 transition-transform duration-500 ${isRefreshing ? 'animate-spin' : ''}`} />
             </Button>
@@ -234,7 +266,7 @@ export function ObjectBrowserView({
         </div>
 
         {/* Upload Zone */}
-        {showUploadZone && uploadTasks.length === 0 && (
+        {onUploadFiles && showUploadZone && uploadTasks.length === 0 && (
           <div className="border rounded-lg p-6 bg-muted/30 space-y-4">
             <div className="flex gap-6">
               <div className="flex-shrink-0 flex items-center justify-center">
@@ -352,6 +384,8 @@ export function ObjectBrowserView({
             objects={objects}
             currentPath={currentPath}
             searchQuery={searchQuery}
+            filterQuery={filterQuery}
+            deepSearch={deepSearch}
             selectedFileKeys={selectedFileKeys}
             isDragActive={isDragActive}
             isLoading={isLoading && !isRefreshing && !isNavigating}
@@ -359,10 +393,10 @@ export function ObjectBrowserView({
             nextContinuationToken={nextContinuationToken}
             itemsPerPage={itemsPerPage}
             onNavigateToFolder={onNavigateToFolder}
-            onDeleteObject={(obj) => {
+            onDeleteObject={onDeleteObject ? (obj) => {
               setSelectedObject(obj);
               setDeleteObjectDialogOpen(true);
-            }}
+            } : undefined}
             onToggleFileSelection={handleToggleFileSelection}
             onSelectAllFiles={handleSelectAllFiles}
             onPageChange={onPageChange}
@@ -374,12 +408,14 @@ export function ObjectBrowserView({
       </div>
 
       {/* Create Directory Dialog */}
-      <CreateDirectoryDialog
-        open={createDirDialogOpen}
-        onOpenChange={setCreateDirDialogOpen}
-        currentPath={currentPath}
-        onCreateDirectory={onCreateDirectory}
-      />
+      {onCreateDirectory && (
+        <CreateDirectoryDialog
+          open={createDirDialogOpen}
+          onOpenChange={setCreateDirDialogOpen}
+          currentPath={currentPath}
+          onCreateDirectory={onCreateDirectory}
+        />
+      )}
 
       {/* Delete Object Dialog */}
       <DeleteObjectDialog

frontend/src/components/buckets/ObjectDetailsView.tsx

@@ -1,6 +1,8 @@
 import { useEffect, useState } from 'react';
 import { useNavigate, useParams, Link } from 'react-router-dom';
 import { objectsApi } from '@/lib/api';
+import { useBuckets } from '@/hooks/useApi';
+import { useBucketCan } from '@/hooks/usePermissions';
 import type { ObjectMetadata } from '@/types';
 import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
@@ -8,7 +10,7 @@ import { IconTile } from '@/components/ui/icon-tile';
 import { ConfirmDialog } from '@/components/ui/confirm-dialog';
 import { ArrowLeft, ChevronRight, Copy, Download, File, Loader2, Trash2 } from 'lucide-react';
 import { toast } from 'sonner';
-import { formatBytes } from '@/lib/file-utils';
+import { downloadObject, formatBytes } from '@/lib/file-utils';
 import { formatDate } from '@/lib/utils';
 
 function CardSection({ title, children }: { title: string; children: React.ReactNode }) {
@@ -36,6 +38,11 @@ export function ObjectDetailsView() {
   const { bucketName, '*': encodedObjectKey } = useParams();
   const objectKey = encodedObjectKey ? decodeURIComponent(encodedObjectKey) : undefined;
 
+  const { data: buckets = [] } = useBuckets();
+  const bucket = buckets.find((b) => b.name === bucketName);
+  const canBucket = useBucketCan();
+  const canDelete = canBucket(bucket, 'object.delete');
+
   const [metadata, setMetadata] = useState<ObjectMetadata | null>(null);
   const [isLoading, setIsLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
@@ -73,22 +80,9 @@ export function ObjectDetailsView() {
     toast.success(label);
   };
 
-  const handleDownload = async () => {
+  const handleDownload = () => {
     if (!bucketName || !objectKey) return;
-    try {
-      const blob = await objectsApi.get(bucketName, objectKey);
-      const url = window.URL.createObjectURL(blob);
-      const a = document.createElement('a');
-      a.href = url;
-      a.download = fileName || 'download';
-      document.body.appendChild(a);
-      a.click();
-      window.URL.revokeObjectURL(url);
-      document.body.removeChild(a);
-      toast.success('Download started');
-    } catch {
-      toast.error('Download failed');
-    }
+    downloadObject(bucketName, objectKey);
   };
 
   const handleDelete = async () => {
@@ -99,7 +93,7 @@ export function ObjectDetailsView() {
       toast.success('Object deleted');
       navigate(backHref);
     } catch {
-      toast.error('Delete failed');
+      // error toast handled by axios interceptor
     } finally {
       setDeleting(false);
       setDeleteOpen(false);
@@ -174,9 +168,11 @@ export function ObjectDetailsView() {
           <Button variant="secondary" onClick={handleDownload}>
             <Download className="h-4 w-4" /> Download
           </Button>
-          <Button variant="destructive" onClick={() => setDeleteOpen(true)}>
-            <Trash2 className="h-4 w-4" /> Delete
-          </Button>
+          {canDelete && (
+            <Button variant="destructive" onClick={() => setDeleteOpen(true)}>
+              <Trash2 className="h-4 w-4" /> Delete
+            </Button>
+          )}
         </div>
       </section>
 

frontend/src/components/buckets/ObjectsTable.tsx

@@ -14,7 +14,7 @@ import {
 } from '@/components/ui/dropdown-menu';
 import {ChevronLeft, ChevronRight, Download, Eye, FileIcon, FolderIcon, Loader2, MoreVertical, Trash2} from 'lucide-react';
 import {Select, SelectOption} from '@/components/ui/select';
-import {formatBytes, formatRelativeTime} from '@/lib/file-utils';
+import {downloadObject, formatBytes, formatRelativeTime} from '@/lib/file-utils';
 import type {S3Object} from '@/types';
 
 interface ObjectsTableProps {
@@ -22,6 +22,8 @@ interface ObjectsTableProps {
   objects: S3Object[];
   currentPath: string;
   searchQuery: string;
+  filterQuery: string;
+  deepSearch: boolean;
   selectedFileKeys: Set<string>;
   isDragActive: boolean;
   isLoading?: boolean;
@@ -29,7 +31,7 @@ interface ObjectsTableProps {
   nextContinuationToken?: string;
   itemsPerPage: number;
   onNavigateToFolder: (key: string) => void;
-  onDeleteObject: (object: S3Object) => void;
+  onDeleteObject?: (object: S3Object) => void;
   onToggleFileSelection: (key: string) => void;
   onSelectAllFiles: () => void;
   onPageChange: (token?: string) => void;
@@ -46,6 +48,8 @@ export function ObjectsTable({
   objects,
   currentPath,
   searchQuery,
+  filterQuery,
+  deepSearch,
   selectedFileKeys,
   isDragActive,
   isLoading = false,
@@ -62,6 +66,7 @@ export function ObjectsTable({
   initialItemsPerPage,
 }: ObjectsTableProps) {
   const navigate = useNavigate();
+  const canDelete = Boolean(onDeleteObject);
   const [sortColumn, setSortColumn] = useState<SortColumn>('name');
   const [sortDirection, setSortDirection] = useState<SortDirection>('asc');
   // Store tokens for each page: [undefined (page 1), token1 (page 2), token2 (page 3), ...]
@@ -86,7 +91,9 @@ export function ObjectsTable({
   }, [initialized, initialPageToken, initialItemsPerPage, itemsPerPage, nextContinuationToken, onPageChange, onItemsPerPageChange]);
 
   const filteredObjects = useMemo(() => {
-    const query = searchQuery.toLowerCase();
+    // Filter on the debounced query, not the raw input, so the list only
+    // updates once typing pauses (matches the debounced server request).
+    const query = filterQuery.toLowerCase();
     const filtered = objects.filter((obj) => obj.key.toLowerCase().includes(query));
     return [...filtered].sort((a, b) => {
       const aIsFolder = a.isFolder ? 1 : 0;
@@ -96,8 +103,8 @@ export function ObjectsTable({
       let compareValue = 0;
       switch (sortColumn) {
         case 'name': {
-          const aName = a.key.replace(currentPath, '').replace('/', '').toLowerCase();
-          const bName = b.key.replace(currentPath, '').replace('/', '').toLowerCase();
+          const aName = a.key.replace(currentPath, '').replace(/\/$/, '').toLowerCase();
+          const bName = b.key.replace(currentPath, '').replace(/\/$/, '').toLowerCase();
           compareValue = aName.localeCompare(bName);
           break;
         }
@@ -114,13 +121,15 @@ export function ObjectsTable({
 
       return sortDirection === 'asc' ? compareValue : -compareValue;
     });
-  }, [objects, searchQuery, sortColumn, sortDirection, currentPath]);
+  }, [objects, filterQuery, sortColumn, sortDirection, currentPath]);
 
-  // Effect 2: Reset pagination ONLY on path navigation
+  // Effect 2: Reset pagination on path navigation or when a search begins/ends.
+  // Search results are a single flat list, so page-token state must not leak
+  // across the search/browse boundary.
   useEffect(() => {
     setPageTokens([undefined]);
     setCurrentPageIndex(0);
-  }, [currentPath]);
+  }, [currentPath, searchQuery, deepSearch]);
 
   // Update page tokens when we get a new next token
   useEffect(() => {
@@ -137,11 +146,33 @@ export function ObjectsTable({
     }
   }, [nextContinuationToken, isTruncated, currentPageIndex]);
 
-  const hasPrevious = currentPageIndex > 0;
-  const hasNext = isTruncated;
+  // Prefix search and normal browsing are server-paginated (query folded into
+  // the prefix; continuation tokens for pages). Deep search loads the whole
+  // capped result set in one response, so we paginate that on the client by
+  // itemsPerPage instead of dumping every match at once.
+  const isDeepSearching = deepSearch && searchQuery.trim().length > 0;
+  const clientPaginated = isDeepSearching;
+  const totalPages = clientPaginated
+    ? Math.max(1, Math.ceil(filteredObjects.length / itemsPerPage))
+    : 1;
+  // Clamp during render (not via a setState effect) so a shrinking result set
+  // or a larger page size can't strand us on an out-of-range page.
+  const pageIndex = clientPaginated ? Math.min(currentPageIndex, totalPages - 1) : currentPageIndex;
+  const pageObjects = clientPaginated
+    ? filteredObjects.slice(pageIndex * itemsPerPage, (pageIndex + 1) * itemsPerPage)
+    : filteredObjects;
+  const hasPrevious = pageIndex > 0;
+  const hasNext = clientPaginated ? pageIndex < totalPages - 1 : isTruncated;
 
   const handleNextPage = () => {
-    if (hasNext && nextContinuationToken) {
+    if (!hasNext) return;
+    // Client-paginated (deep search): just advance the slice, no server fetch.
+    if (clientPaginated) {
+      setCurrentPageIndex(pageIndex + 1);
+      window.scrollTo({ top: 0, behavior: 'smooth' });
+      return;
+    }
+    if (nextContinuationToken) {
       const nextIndex = currentPageIndex + 1;
       setCurrentPageIndex(nextIndex);
       onPageChange(nextContinuationToken);
@@ -150,13 +181,16 @@ export function ObjectsTable({
   };
 
   const handlePreviousPage = () => {
-    if (hasPrevious) {
-      const prevIndex = currentPageIndex - 1;
-      setCurrentPageIndex(prevIndex);
-      const previousToken = pageTokens[prevIndex];
-      onPageChange(previousToken);
+    if (!hasPrevious) return;
+    if (clientPaginated) {
+      setCurrentPageIndex(pageIndex - 1);
       window.scrollTo({ top: 0, behavior: 'smooth' });
+      return;
     }
+    const prevIndex = currentPageIndex - 1;
+    setCurrentPageIndex(prevIndex);
+    onPageChange(pageTokens[prevIndex]);
+    window.scrollTo({ top: 0, behavior: 'smooth' });
   };
 
   const handleItemsPerPageChange = (value: string) => {
@@ -181,16 +215,18 @@ export function ObjectsTable({
         <Table>
           <TableHeader>
           <TableRow>
-            <TableHead className="w-[50px]">
-              <Checkbox
-                checked={
-                  filteredObjects.filter(obj => !obj.isFolder).length > 0 &&
-                  selectedFileKeys.size === filteredObjects.filter(obj => !obj.isFolder).length
-                }
-                onCheckedChange={onSelectAllFiles}
-                aria-label="Select all files"
-              />
-            </TableHead>
+            {canDelete && (
+              <TableHead className="w-[50px]">
+                <Checkbox
+                  checked={
+                    filteredObjects.filter(obj => !obj.isFolder).length > 0 &&
+                    selectedFileKeys.size === filteredObjects.filter(obj => !obj.isFolder).length
+                  }
+                  onCheckedChange={onSelectAllFiles}
+                  aria-label="Select all files"
+                />
+              </TableHead>
+            )}
           <TableHead
             className="cursor-pointer hover:bg-muted/50"
             onClick={() => handleSort('name')}
@@ -217,7 +253,7 @@ export function ObjectsTable({
       <TableBody>
         {isLoading ? (
           <TableRow>
-            <TableCell colSpan={7} className="text-center py-12">
+            <TableCell colSpan={canDelete ? 7 : 6} className="text-center py-12">
               <div className="flex items-center justify-center gap-2 text-muted-foreground">
                 <Loader2 className="h-5 w-5 animate-spin" />
                 <span>Loading objects...</span>
@@ -226,7 +262,7 @@ export function ObjectsTable({
           </TableRow>
         ) : filteredObjects.length === 0 ? (
           <TableRow>
-            <TableCell colSpan={7} className="text-center py-12 text-muted-foreground">
+            <TableCell colSpan={canDelete ? 7 : 6} className="text-center py-12 text-muted-foreground">
               {searchQuery
                 ? 'No objects found matching your search'
                 : isDragActive
@@ -235,24 +271,26 @@ export function ObjectsTable({
             </TableCell>
           </TableRow>
         ) : (
-          filteredObjects.map((obj) => (
+          pageObjects.map((obj) => (
             <TableRow key={obj.key}>
-              <TableCell className="w-[50px]">
-                {obj.isFolder ? (
-                  <Checkbox
-                    disabled
-                    checked={false}
-                    className="opacity-50 cursor-not-allowed bg-muted"
-                    aria-label="Folders cannot be selected"
-                  />
-                ) : (
-                  <Checkbox
-                    checked={selectedFileKeys.has(obj.key)}
-                    onCheckedChange={() => onToggleFileSelection(obj.key)}
-                    aria-label={`Select file ${obj.key}`}
-                  />
-                )}
-              </TableCell>
+              {canDelete && (
+                <TableCell className="w-[50px]">
+                  {obj.isFolder ? (
+                    <Checkbox
+                      disabled
+                      checked={false}
+                      className="opacity-50 cursor-not-allowed bg-muted"
+                      aria-label="Folders cannot be selected"
+                    />
+                  ) : (
+                    <Checkbox
+                      checked={selectedFileKeys.has(obj.key)}
+                      onCheckedChange={() => onToggleFileSelection(obj.key)}
+                      aria-label={`Select file ${obj.key}`}
+                    />
+                  )}
+                </TableCell>
+              )}
               <TableCell>
                 <div className="flex items-center gap-2">
                   {obj.isFolder ? (
@@ -265,7 +303,7 @@ export function ObjectsTable({
                       onClick={() => onNavigateToFolder(obj.key)}
                       className="font-medium cursor-pointer underline hover:text-primary"
                     >
-                      {obj.key.replace(currentPath, '').replace('/', '')}
+                      {obj.key.replace(currentPath, '').replace(/\/$/, '')}
                     </button>
                   ) : (
                     <button
@@ -353,18 +391,22 @@ export function ObjectsTable({
                         <Eye className="h-4 w-4" />
                         View Details
                       </DropdownMenuItem>
-                      <DropdownMenuItem>
+                      <DropdownMenuItem onClick={() => downloadObject(bucketName, obj.key)}>
                         <Download className="h-4 w-4" />
                         Download
                       </DropdownMenuItem>
-                      <DropdownMenuSeparator />
-                      <DropdownMenuItem
-                        className="text-destructive"
-                        onClick={() => onDeleteObject(obj)}
-                      >
-                        <Trash2 className="h-4 w-4" />
-                        Delete
-                      </DropdownMenuItem>
+                      {onDeleteObject && (
+                        <>
+                          <DropdownMenuSeparator />
+                          <DropdownMenuItem
+                            className="text-destructive"
+                            onClick={() => onDeleteObject(obj)}
+                          >
+                            <Trash2 className="h-4 w-4" />
+                            Delete
+                          </DropdownMenuItem>
+                        </>
+                      )}
                     </DropdownMenuContent>
                   </DropdownMenu>
                 )}
@@ -395,7 +437,9 @@ export function ObjectsTable({
         {/* Pagination info and controls */}
         <div className="flex items-center gap-4">
           <span className="text-sm text-muted-foreground">
-            Page {currentPageIndex + 1} • Showing {filteredObjects.length} item{filteredObjects.length !== 1 ? 's' : ''}
+            {isDeepSearching
+              ? `Page ${pageIndex + 1} of ${totalPages} • ${filteredObjects.length} match${filteredObjects.length !== 1 ? 'es' : ''}${isTruncated ? ' (capped, refine to narrow)' : ''}`
+              : `Page ${pageIndex + 1} • Showing ${pageObjects.length} item${pageObjects.length !== 1 ? 's' : ''}`}
           </span>
 
           <div className="flex items-center gap-2">

frontend/src/components/layout/bucket-detail-shell.tsx

@@ -5,19 +5,21 @@ import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
 import { cn } from '@/lib/utils';
 import { useBuckets } from '@/hooks/useApi';
+import { useBucketCan } from '@/hooks/usePermissions';
 import { toast } from 'sonner';
 
 interface TabSpec {
   to: string;
   label: string;
   end?: boolean;
+  perms?: string[];
 }
 
 const tabs: TabSpec[] = [
-  { to: 'objects', label: 'Objects' },
-  { to: 'permissions', label: 'Permissions' },
-  { to: 'website', label: 'Website' },
-  { to: 'settings', label: 'Settings' },
+  { to: 'objects', label: 'Objects', perms: ['object.list'] },
+  { to: 'permissions', label: 'Permissions', perms: ['permission.allow_bucket_key', 'permission.deny_bucket_key'] },
+  { to: 'website', label: 'Website', perms: ['bucket.update'] },
+  { to: 'settings', label: 'Settings', perms: ['bucket.update'] },
 ];
 
 function formatBytes(n?: number) {
@@ -36,6 +38,8 @@ export function BucketDetailShell() {
   const { bucketName = '' } = useParams<{ bucketName: string }>();
   const { data: buckets = [] } = useBuckets();
   const bucket = buckets.find((b) => b.name === bucketName);
+  const canBucket = useBucketCan();
+  const visibleTabs = tabs.filter((t) => !t.perms || t.perms.every((p) => canBucket(bucket, p)));
 
   const s3Url = `s3://${bucketName}`;
   const copyUrl = async () => {
@@ -68,16 +72,18 @@ export function BucketDetailShell() {
             <Button variant="secondary" onClick={copyUrl}>
               <Copy /> Copy URL
             </Button>
-            <Button variant="primary" onClick={() => document.dispatchEvent(new CustomEvent('bucket:upload'))}>
-              <Upload /> Upload
-            </Button>
+            {canBucket(bucket, 'object.write') && (
+              <Button variant="primary" onClick={() => document.dispatchEvent(new CustomEvent('bucket:upload'))}>
+                <Upload /> Upload
+              </Button>
+            )}
           </div>
         </div>
       </section>
 
       {/* Tabs */}
       <nav className="flex h-12 items-center gap-0 border-b border-[var(--border)] px-7">
-        {tabs.map((t) => (
+        {visibleTabs.map((t) => (
           <NavLink
             key={t.to}
             to={t.to}

frontend/src/components/layout/layout.tsx

@@ -5,6 +5,8 @@ import { useState, useMemo } from 'react';
 import { Menu } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import type { BreadcrumbItem } from '@/components/ui/breadcrumb';
+import { usePermissions } from '@/hooks/usePermissions';
+import { NoAccess } from '@/pages/NoAccess';
 
 function useCrumbs(): BreadcrumbItem[] {
   const location = useLocation();
@@ -35,6 +37,7 @@ function useCrumbs(): BreadcrumbItem[] {
 export function Layout() {
   const [sidebarOpen, setSidebarOpen] = useState(false);
   const crumbs = useCrumbs();
+  const { noAccess } = usePermissions();
 
   return (
     <div className="flex h-screen overflow-hidden bg-[var(--background)]">
@@ -59,7 +62,7 @@ export function Layout() {
       <div className="flex min-w-0 flex-1 flex-col">
         <TopBar crumbs={crumbs} />
         <main className="flex-1 overflow-y-auto scrollbar-thin">
-          <Outlet />
+          {noAccess ? <NoAccess /> : <Outlet />}
         </main>
       </div>
     </div>

frontend/src/components/layout/sidebar.tsx

@@ -4,11 +4,13 @@ import { BookOpen, Database, Key, LayoutDashboard, Server } from 'lucide-react';
 import { useAuthStore } from '@/store/auth-store';
 import { useQuery } from '@tanstack/react-query';
 import { healthApi, garageApi } from '@/lib/api';
+import { usePermissions } from '@/hooks/usePermissions';
 
 interface NavItem {
   title: string;
   href: string;
   icon: React.ComponentType<{ className?: string }>;
+  visible?: (p: ReturnType<typeof usePermissions>) => boolean;
 }
 
 interface NavGroup {
@@ -22,13 +24,15 @@ const navGroups: NavGroup[] = [
   },
   {
     label: 'Storage',
-    items: [{ title: 'Buckets', href: '/buckets', icon: Database }],
+    items: [
+      { title: 'Buckets', href: '/buckets', icon: Database, visible: (p) => p.hasAnyPerm('bucket.list') },
+    ],
   },
   {
     label: 'Cluster',
     items: [
-      { title: 'Cluster', href: '/cluster', icon: Server },
-      { title: 'Access Control', href: '/access', icon: Key },
+      { title: 'Cluster', href: '/cluster', icon: Server, visible: (p) => p.hasAnyClusterAccess },
+      { title: 'Access Control', href: '/access', icon: Key, visible: (p) => p.hasClusterPerm('key.list') },
     ],
   },
 ];
@@ -41,6 +45,7 @@ interface SidebarProps {
 export function Sidebar({ isOpen, onClose }: SidebarProps) {
   const location = useLocation();
   const { config } = useAuthStore();
+  const perms = usePermissions();
 
   const { data: uiVersion } = useQuery({
     queryKey: ['ui-version'],
@@ -77,38 +82,42 @@ export function Sidebar({ isOpen, onClose }: SidebarProps) {
         <span className="text-[18px] font-semibold tracking-tight">Garage UI</span>
       </div>
       <nav className="flex-1 overflow-y-auto px-3 py-4 space-y-5 scrollbar-thin">
-        {navGroups.map((group, gi) => (
-          <div key={gi}>
-            {group.label && (
-              <div className="px-2 pb-1.5 text-[11px] font-medium uppercase tracking-[0.08em] text-[var(--muted-foreground)]">
-                {group.label}
-              </div>
-            )}
-            <ul className="space-y-0.5">
-              {group.items.map((item) => {
-                const Icon = item.icon;
-                const active = isActive(item.href);
-                return (
-                  <li key={item.href}>
-                    <Link
-                      to={item.href}
-                      onClick={onClose}
-                      className={cn(
-                        'flex h-9 items-center gap-2 rounded-md px-2.5 text-[14px] transition-colors',
-                        active
-                          ? 'bg-[var(--primary)] font-medium text-[var(--primary-foreground)]'
-                          : 'text-[var(--muted-foreground)] hover:bg-[var(--accent)] hover:text-[var(--foreground)]',
-                      )}
-                    >
-                      <Icon className="h-4 w-4" />
-                      {item.title}
-                    </Link>
-                  </li>
-                );
-              })}
-            </ul>
-          </div>
-        ))}
+        {navGroups.map((group, gi) => {
+          const visibleItems = group.items.filter((item) => !item.visible || item.visible(perms));
+          if (visibleItems.length === 0) return null;
+          return (
+            <div key={gi}>
+              {group.label && (
+                <div className="px-2 pb-1.5 text-[11px] font-medium uppercase tracking-[0.08em] text-[var(--muted-foreground)]">
+                  {group.label}
+                </div>
+              )}
+              <ul className="space-y-0.5">
+                {visibleItems.map((item) => {
+                  const Icon = item.icon;
+                  const active = isActive(item.href);
+                  return (
+                    <li key={item.href}>
+                      <Link
+                        to={item.href}
+                        onClick={onClose}
+                        className={cn(
+                          'flex h-9 items-center gap-2 rounded-md px-2.5 text-[14px] transition-colors',
+                          active
+                            ? 'bg-[var(--primary)] font-medium text-[var(--primary-foreground)]'
+                            : 'text-[var(--muted-foreground)] hover:bg-[var(--accent)] hover:text-[var(--foreground)]',
+                        )}
+                      >
+                        <Icon className="h-4 w-4" />
+                        {item.title}
+                      </Link>
+                    </li>
+                  );
+                })}
+              </ul>
+            </div>
+          );
+        })}
       </nav>
       <div className="px-3 py-3 flex flex-col items-center gap-1.5">
         <a

frontend/src/components/ui/dropdown-menu.tsx

@@ -151,7 +151,7 @@ const DropdownMenuItem = React.forwardRef<HTMLDivElement, React.HTMLAttributes<H
       <div
         ref={ref}
         className={cn(
-          'relative flex cursor-pointer select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none transition-colors hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none',
+          'relative flex cursor-pointer select-none items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-none transition-colors hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none [&_svg]:h-4 [&_svg]:w-4 [&_svg]:shrink-0',
           className
         )}
         onClick={(e) => {

frontend/src/components/ui/switch.tsx

@@ -20,7 +20,7 @@ const Switch = React.forwardRef<HTMLInputElement, SwitchProps>(
         />
         <div
           className={cn(
-            'relative h-6 w-11 rounded-full border transition-colors',
+            'relative h-6 w-11 rounded-full border-2 transition-colors',
             checked ? 'border-[#ff9329] bg-[#ff9329]' : 'border-[#6b7280] bg-[#6b7280]',
             'peer-focus-visible:ring-2 peer-focus-visible:ring-ring peer-focus-visible:ring-offset-2 peer-focus-visible:ring-offset-background',
             'peer-disabled:cursor-not-allowed peer-disabled:opacity-50',
@@ -28,8 +28,10 @@ const Switch = React.forwardRef<HTMLInputElement, SwitchProps>(
           )}
         >
           <span
-            className="absolute left-[2px] h-5 w-5 rounded-full bg-white shadow transition-transform"
-            style={{ top: '50%', transform: `translateY(-50%) translateX(${checked ? '20px' : '0px'})` }}
+            className={cn(
+              'absolute top-0 left-0 h-5 w-5 rounded-full bg-white shadow transition-transform',
+              checked ? 'translate-x-full' : 'translate-x-0'
+            )}
           />
         </div>
       </label>

frontend/src/hooks/index.ts

@@ -1,2 +1,3 @@
 export { useDashboardData, useBuckets } from './useApi';
 export { useBucketObjects } from './useBucketObjects';
+export { usePermissions, bucketCan, useBucketCan } from './usePermissions';

frontend/src/hooks/useApi.ts

@@ -63,6 +63,27 @@ export function useGrantBucketPermission() {
   });
 }
 
+export function useUpdateBucketQuotas() {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: ({
+      bucketName,
+      maxSize,
+      maxObjects,
+    }: {
+      bucketName: string;
+      maxSize: number | null;
+      maxObjects: number | null;
+    }) => bucketsApi.updateBucketQuotas(bucketName, { maxSize, maxObjects }),
+    onSuccess: (_, variables) => {
+      queryClient.invalidateQueries({ queryKey: queryKeys.buckets.all });
+      queryClient.invalidateQueries({ queryKey: queryKeys.buckets.detail(variables.bucketName) });
+      toast.success('Quotas updated successfully');
+    },
+  });
+}
+
 
 export function useObjects(bucket: string, prefix?: string, enabled = true) {
   return useQuery({

frontend/src/hooks/useBucketObjects.ts

@@ -3,7 +3,11 @@ import { objectsApi } from '@/lib/api';
 import type { S3Object, UploadTask } from '@/types';
 import { toast } from 'sonner';
 
-export function useBucketObjects(bucketName: string | null, currentPath: string = '') {
+// How long to wait after the last keystroke before actually searching. Keeps
+// typing from firing a request (and a client-side re-filter) on every key.
+const SEARCH_DEBOUNCE_MS = 750;
+
+export function useBucketObjects(bucketName: string | null, currentPath: string = '', searchQuery: string = '', deepSearch: boolean = false) {
   const [objects, setObjects] = useState<S3Object[]>([]);
   const [isLoading, setIsLoading] = useState(false);
   const [isRefreshing, setIsRefreshing] = useState(false);
@@ -13,13 +17,25 @@ export function useBucketObjects(bucketName: string | null, currentPath: string
   const [nextContinuationToken, setNextContinuationToken] = useState<string | undefined>(undefined);
   const [itemsPerPage, setItemsPerPage] = useState(25);
   const [currentContinuationToken, setCurrentContinuationToken] = useState<string | undefined>(undefined);
+  const [debouncedSearch, setDebouncedSearch] = useState('');
   const previousPathRef = useRef<string>(currentPath);
   const [uploadTasks, setUploadTasks] = useState<UploadTask[]>([]);
   const clearTasksTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+  // Monotonic sequence guarding against stale responses: when a newer fetch or
+  // search starts, older in-flight responses are discarded instead of clobbering
+  // the current view (e.g. a slow search resolving after the query was cleared).
+  const fetchSeqRef = useRef(0);
+
+  // Prefix search (the default) narrows the Garage listing to keys starting with
+  // the query, within the current folder — server-side, paginated, and O(matches)
+  // like the AWS S3 / R2 consoles. Deep search instead uses a recursive scan
+  // (see searchObjects) and does not touch listPrefix.
+  const listPrefix = debouncedSearch && !deepSearch ? currentPath + debouncedSearch : currentPath;
 
   const fetchObjects = useCallback(async (continuationToken?: string, isRefresh = false, isNav = false) => {
     if (!bucketName) return;
 
+    const seq = ++fetchSeqRef.current;
     try {
       if (isRefresh) {
         setIsRefreshing(true);
@@ -29,30 +45,70 @@ export function useBucketObjects(bucketName: string | null, currentPath: string
         setIsLoading(true);
       }
       setError(null);
-      const response = await objectsApi.list(bucketName, currentPath, itemsPerPage, continuationToken);
+      const response = await objectsApi.list(bucketName, listPrefix, itemsPerPage, continuationToken);
+      if (seq !== fetchSeqRef.current) return;
       setObjects(response.objects);
       setIsTruncated(response.isTruncated);
       setNextContinuationToken(response.nextContinuationToken);
       setCurrentContinuationToken(continuationToken);
     } catch (err) {
+      if (seq !== fetchSeqRef.current) return;
       setError(err as Error);
       console.error('Failed to fetch objects:', err);
     } finally {
-      setIsLoading(false);
-      setIsRefreshing(false);
-      setIsNavigating(false);
+      if (seq === fetchSeqRef.current) {
+        setIsLoading(false);
+        setIsRefreshing(false);
+        setIsNavigating(false);
+      }
     }
-  }, [bucketName, currentPath, itemsPerPage]);
+  }, [bucketName, listPrefix, itemsPerPage]);
+
+  const searchObjects = useCallback(async (query: string) => {
+    if (!bucketName) return;
+
+    const seq = ++fetchSeqRef.current;
+    try {
+      setIsLoading(true);
+      setError(null);
+      const response = await objectsApi.search(bucketName, query, currentPath || undefined);
+      if (seq !== fetchSeqRef.current) return;
+      setObjects(response.objects);
+      setIsTruncated(response.isTruncated);
+      // Search results are not token-paginated.
+      setNextContinuationToken(undefined);
+      setCurrentContinuationToken(undefined);
+    } catch (err) {
+      if (seq !== fetchSeqRef.current) return;
+      setError(err as Error);
+      console.error('Failed to search objects:', err);
+    } finally {
+      if (seq === fetchSeqRef.current) setIsLoading(false);
+    }
+  }, [bucketName, currentPath]);
+
+  // Debounce the search query so we don't fire a recursive scan per keystroke.
+  useEffect(() => {
+    const t = setTimeout(() => setDebouncedSearch(searchQuery.trim()), SEARCH_DEBOUNCE_MS);
+    return () => clearTimeout(t);
+  }, [searchQuery]);
 
   useEffect(() => {
     if (!bucketName) return;
 
+    // Deep search: recursive substring scan across the current subtree.
+    if (debouncedSearch && deepSearch) {
+      searchObjects(debouncedSearch);
+      return;
+    }
+
+    // Normal listing, or prefix-filtered listing (listPrefix carries the query).
     const isPathChange = previousPathRef.current !== currentPath && objects.length > 0;
     previousPathRef.current = currentPath;
 
     fetchObjects(undefined, false, isPathChange);
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [bucketName, currentPath, itemsPerPage]);
+  }, [bucketName, currentPath, itemsPerPage, debouncedSearch, deepSearch]);
 
   useEffect(() => {
     return () => {
@@ -194,6 +250,9 @@ export function useBucketObjects(bucketName: string | null, currentPath: string
 
   return {
     objects,
+    // The debounced query the current results reflect — use this (not the raw
+    // input) to filter/label results so the view waits instead of twitching.
+    debouncedSearch,
     isLoading,
     isRefreshing,
     isNavigating,

frontend/src/hooks/useCapabilities.ts

@@ -0,0 +1,12 @@
+import { useQuery } from '@tanstack/react-query';
+import { capabilitiesApi } from '@/lib/api';
+import { queryKeys } from '@/lib/query-client';
+
+export function useCapabilities() {
+  return useQuery({
+    queryKey: queryKeys.capabilities.get(),
+    queryFn: () => capabilitiesApi.get(),
+    staleTime: Infinity,
+    gcTime: Infinity,
+  });
+}

frontend/src/hooks/usePermissions.ts

@@ -0,0 +1,76 @@
+import { useCapabilities } from './useCapabilities';
+
+/**
+ * Permission view derived from /api/v1/capabilities.
+ *
+ * Fail-closed: while capabilities are loading (or errored), every check
+ * returns false. Gated UI stays hidden until the server has spoken.
+ * When access control is disabled server-side, every check returns true.
+ */
+export function usePermissions() {
+  const { data, isLoading, isError } = useCapabilities();
+  const ac = data?.access_control;
+  const settled = !isLoading && !isError && data !== undefined;
+  const enabled = ac?.enabled ?? false;
+  const isAdmin = settled && (!enabled || (ac?.is_admin ?? false));
+  const bindings = ac?.bindings ?? [];
+  const clusterPerms = ac?.cluster_permissions ?? [];
+
+  const hasClusterPerm = (perm: string): boolean => {
+    if (!settled) return false;
+    if (!enabled || isAdmin) return true;
+    return clusterPerms.includes(perm);
+  };
+
+  const hasAnyPerm = (perm: string): boolean => {
+    if (!settled) return false;
+    if (!enabled || isAdmin) return true;
+    return bindings.some((b) => b.permissions.includes(perm));
+  };
+
+  const hasAnyClusterAccess =
+    settled &&
+    (!enabled || isAdmin || clusterPerms.some((p) => p.startsWith('cluster.') || p.startsWith('node.')));
+
+  const noAccess =
+    settled && enabled && !isAdmin && bindings.length === 0 && clusterPerms.length === 0;
+
+  return { loading: !settled, enabled, isAdmin, hasClusterPerm, hasAnyPerm, hasAnyClusterAccess, noAccess };
+}
+
+/**
+ * Per-bucket check against the server-computed effective_permissions carried
+ * on bucket payloads. Does not know about loading/enabled state, so it treats
+ * a missing effective_permissions field as "access control is disabled" and
+ * allows. That's only correct when access control really is disabled, so
+ * this is kept for internal use (by useBucketCan below); UI code should call
+ * useBucketCan() instead, which fails closed when access control is enabled.
+ */
+export function bucketCan(
+  bucket: { effective_permissions?: string[] } | undefined,
+  perm: string,
+): boolean {
+  const perms = bucket?.effective_permissions;
+  if (!perms) return true;
+  return perms.includes(perm);
+}
+
+/**
+ * Hook returning a per-bucket permission check closed over the current
+ * loading/enabled state from usePermissions().
+ *
+ * Fail-closed: while capabilities are loading, every check denies. When
+ * access control is enabled, a bucket without effective_permissions (not
+ * loaded yet, or filtered out of the bucket list) also denies instead of
+ * falling open like bucketCan does. When access control is disabled, every
+ * check allows, same as bucketCan.
+ */
+export function useBucketCan() {
+  const { loading, enabled } = usePermissions();
+  return (bucket: { effective_permissions?: string[] } | undefined, perm: string): boolean => {
+    if (loading) return false;
+    if (!enabled) return true;
+    if (!bucket?.effective_permissions) return false;
+    return bucketCan(bucket, perm);
+  };
+}

frontend/src/lib/api.ts

@@ -8,6 +8,7 @@ import type {
   ClusterHealth,
   ClusterStatistics,
   ClusterStatus,
+  GarageCapabilities,
   GarageMetrics,
   MultiNodeResponse,
   MultiNodeStatisticsResponse,
@@ -87,6 +88,11 @@ api.interceptors.response.use(
       return Promise.reject(error);
     }
 
+    // 501 Not Implemented = expected for unsupported Garage version features
+    if (error.response?.status === 501) {
+      return Promise.reject(error);
+    }
+
     // Handle axios errors
     if (error.response) {
       // Server responded with error status
@@ -127,6 +133,7 @@ export const authApi = {
     const response = await authApiClient.get<{
       admin: { enabled: boolean };
       oidc: { enabled: boolean; provider?: string };
+      token: { enabled: boolean };
     }>('/config');
     return response;
   },
@@ -139,6 +146,13 @@ export const authApi = {
     return response;
   },
 
+  loginToken: async (token: string) => {
+    const response = await authApiClient.post<{ success: boolean; token: string; user: AuthUser }>('/login-token', {
+      token,
+    });
+    return response;
+  },
+
   me: async () => {
     const response = await authApiClient.get<{ success: boolean; user: AuthUser }>('/me');
     return response;
@@ -167,6 +181,14 @@ export const healthApi = {
   },
 };
 
+// Capabilities API
+export const capabilitiesApi = {
+  get: async (): Promise<GarageCapabilities> => {
+    const response = await api.get('/v1/capabilities');
+    return response.data.data;
+  },
+};
+
 // Bucket API
 export const bucketsApi = {
   list: async (): Promise<Bucket[]> => {
@@ -212,6 +234,22 @@ export const bucketsApi = {
     );
     return response.data.data;
   },
+
+  updateBucketQuotas: async (
+    name: string,
+    payload: { maxSize: number | null; maxObjects: number | null }
+  ) => {
+    // Map nulls to undefined so they are omitted from the JSON body —
+    // backend treats a missing field as "clear this quota".
+    const body: { maxSize?: number; maxObjects?: number } = {};
+    if (payload.maxSize !== null) body.maxSize = payload.maxSize;
+    if (payload.maxObjects !== null) body.maxObjects = payload.maxObjects;
+    const response = await api.put<ApiResponse<any>>(
+      `/v1/buckets/${encodeURIComponent(name)}/quotas`,
+      body
+    );
+    return response.data.data;
+  },
 };
 
 // Objects API
@@ -255,6 +293,39 @@ export const objectsApi = {
     };
   },
 
+  // Recursive, best-effort substring search across all objects under `prefix`.
+  // The backend scans and filters (S3/Garage has no server-side substring
+  // search), so this finds matches regardless of which page they'd be on.
+  search: async (bucket: string, query: string, prefix?: string): Promise<ObjectListResponse> => {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    const params: any = { search: query };
+    if (prefix) params.prefix = prefix;
+
+    const response = await api.get(`/v1/buckets/${bucket}/objects`, { params });
+    const data = response.data.data;
+
+    // Search returns a flat list of matching objects (no folders/prefixes).
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    const objects: S3Object[] = data.objects?.map((obj: any) => ({
+      key: obj.key,
+      size: obj.size,
+      lastModified: obj.last_modified,
+      etag: obj.etag,
+      contentType: obj.content_type,
+      storageClass: obj.storage_class,
+      isFolder: false,
+    })) || [];
+
+    return {
+      bucket: data.bucket,
+      objects,
+      prefixes: [],
+      count: data.count,
+      isTruncated: data.is_truncated || false,
+      nextContinuationToken: data.next_continuation_token,
+    };
+  },
+
   get: async (bucket: string, key: string): Promise<Blob> => {
     const response = await api.get(`/v1/buckets/${bucket}/objects/${encodeObjectKey(key)}`, {
       responseType: 'blob'

frontend/src/lib/file-utils.ts

@@ -1,3 +1,27 @@
+import { objectsApi } from './api';
+import { toast } from 'sonner';
+
+/**
+ * Download an object from a bucket by fetching it as a blob and clicking a
+ * temporary anchor element. Errors are surfaced by the axios interceptor.
+ */
+export async function downloadObject(bucket: string, key: string): Promise<void> {
+  try {
+    const blob = await objectsApi.get(bucket, key);
+    const url = window.URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = key.split('/').pop() || 'download';
+    document.body.appendChild(a);
+    a.click();
+    window.URL.revokeObjectURL(url);
+    document.body.removeChild(a);
+    toast.success('Download started');
+  } catch {
+    // error toast handled by axios interceptor
+  }
+}
+
 /**
  * Get the file type based on file extension
  */

frontend/src/lib/query-client.ts

@@ -40,4 +40,8 @@ export const queryKeys = {
     all: ['dashboard'] as const,
     metrics: () => [...queryKeys.dashboard.all, 'metrics'] as const,
   },
+  capabilities: {
+    all: ['capabilities'] as const,
+    get: () => [...queryKeys.capabilities.all, 'get'] as const,
+  },
 };

frontend/src/lib/quota-utils.ts

@@ -0,0 +1,33 @@
+export type QuotaUnit = 'MB' | 'GB' | 'TB';
+
+export const QUOTA_UNIT_BYTES: Record<QuotaUnit, number> = {
+  MB: 1024 * 1024,
+  GB: 1024 * 1024 * 1024,
+  TB: 1024 * 1024 * 1024 * 1024,
+};
+
+// Convert a byte count to a {value, unit} pair using the largest unit that
+// yields an integer. Falls back to GB if the value is 0 or doesn't divide
+// evenly into any unit.
+export function bytesToQuotaValue(bytes: number): { value: number; unit: QuotaUnit } {
+  const units: QuotaUnit[] = ['TB', 'GB', 'MB'];
+  for (const unit of units) {
+    const factor = QUOTA_UNIT_BYTES[unit];
+    if (bytes >= factor && bytes % factor === 0) {
+      return { value: bytes / factor, unit };
+    }
+  }
+  // Doesn't divide evenly — pick the largest unit where the value is >= 1,
+  // rounded for display. The user is free to change it.
+  for (const unit of units) {
+    const factor = QUOTA_UNIT_BYTES[unit];
+    if (bytes >= factor) {
+      return { value: Math.round((bytes / factor) * 100) / 100, unit };
+    }
+  }
+  return { value: 0, unit: 'GB' };
+}
+
+export function quotaValueToBytes(value: number, unit: QuotaUnit): number {
+  return Math.round(value * QUOTA_UNIT_BYTES[unit]);
+}