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Author SHA1 Message Date
shankar0123 c8347d742d feat(ratelimit): Phase 13 Sprint 13.2 — postgres-backed sliding window + multi-replica test
Phase 13 Sprint 13.2 closure (architecture diligence audit ARCH-M1):
ships the infrastructure half of the ARCH-M1 substantive close. Adds a
postgres-backed sliding-window rate limiter that satisfies the same
interface as the in-memory primitive — cross-replica-consistent rather
than per-process. Sprint 13.3 wires the 5 call sites through a
backend selector (`CERTCTL_RATELIMIT_BACKEND={memory,postgres}`); this
commit deliberately changes ZERO call sites. The infrastructure +
migration ship as their own review window, mirroring the Phase 9
Sprint 8a/8b pattern.

Substantive close, not document-and-defer
=========================================
The audit recommended "document the per-process limit + defer the
distributed backend to v3." The operator chose Option M1-A (postgres-
backed; zero new infra) over the document-and-defer path. Postgres
is already a hard dependency for certctl; no new operator burden. The
multi-replica integration test in this commit is the falsifiable
closure proof — cap-N enforced exactly across N replicas hitting the
same key concurrently.

Signature ground-truth
======================
The Sprint 13.2 prompt template specified `Allow(key string) error` as
the signature to match. The actual repo signature has been
`Allow(key string, now time.Time) error` since the EST RFC 7030
hardening master bundle Phase 4.1 — the `now` parameter is what makes
the memory limiter testable against synthetic time without an
indirection through clock-injection. The new `Limiter` interface +
`PostgresSlidingWindowLimiter` match the actual repo signature
(`Allow(key string, now time.Time) error`) byte-for-byte. Per CLAUDE.md
"the repo is truth" — the prompt is framing, the code is ground-truth.

Files added
===========

migrations/000046_rate_limit_buckets.up.sql + .down.sql:
  - rate_limit_buckets(bucket_key TEXT PRIMARY KEY, timestamps
    TIMESTAMPTZ[] NOT NULL DEFAULT '{}', updated_at TIMESTAMPTZ NOT
    NULL DEFAULT NOW()).
  - btree index on updated_at supports the Sprint 13.3 janitor sweep.
  - All statements IF NOT EXISTS / DROP IF EXISTS per CLAUDE.md
    "Idempotent migrations" rule.

internal/ratelimit/limiter.go (NEW, 53 LOC):
  - Defines the `Limiter` interface with `Allow(key string,
    now time.Time) error`.
  - Compile-time satisfaction checks for both backends.
  - Doc-comment documents the prompt-vs-repo signature reconciliation
    + the Sprint 13.3 backend-selector plan + why the interface stays
    minimal (Disabled/Len are non-portable cross-backend; keeping them
    off the interface avoids leaking implementation detail).

internal/ratelimit/postgres_sliding_window.go (NEW, 178 LOC):
  - PostgresSlidingWindowLimiter struct + NewPostgresSlidingWindowLimiter
    constructor + Allow + Disabled methods.
  - Algorithm: BEGIN tx → INSERT ON CONFLICT DO NOTHING (ensures the
    row exists) → SELECT ... FOR UPDATE (per-key row lock acquired
    across the cluster) → prune in Go via the shared pruneOlderThan
    helper (single source of truth for prune semantics) → decide
    rate-limited or append → UPDATE → COMMIT.
  - SELECT FOR UPDATE is what arbitrates across replicas. Replicas A
    and B firing simultaneous Allow("k") never race because Postgres
    serializes the row-lock; the memory backend's sync.Mutex only
    arbitrates within a process.
  - Same `maxN <= 0 → disabled` opt-out semantics as the memory
    backend.
  - Empty-key short-circuit (chokepoint avoidance) matches the memory
    backend.
  - Uses pq.Array for TIMESTAMPTZ[] marshalling (lib/pq is the
    existing project driver).

internal/ratelimit/equivalence_test.go (NEW, 304 LOC):
  - Backend-equivalence suite that runs the same scenario set against
    both backends via the `Limiter` interface. 7 scenarios per
    backend: AllowsUpToCap, DistinctKeysIndependent, WindowExpiry,
    DisabledBypass, NegativeCapDisabled, EmptyKeyShortCircuits,
    ConcurrentRaceFree.
  - Memory half: TestSlidingWindowLimiter_Equivalence_Memory — runs
    on every `go test ./...`.
  - Postgres half: TestSlidingWindowLimiter_Equivalence_Postgres —
    gated by `testing.Short()`; runs only when -short is omitted, so
    `go test -race -short ./...` keeps fast.
  - Schema-per-test isolation via testcontainers-go (mirrors the
    pattern in internal/repository/postgres/testutil_test.go: setup
    one container, fresh schema per subtest, search_path-pinned DSN).
  - Memory equivalence half re-verifies the same behaviors pinned in
    the pre-existing sliding_window_test.go but through the interface
    — catches drift if SlidingWindowLimiter.Allow ever changes shape.

internal/integration/ratelimit_multi_replica_test.go (NEW, 159 LOC):
  - The falsifiable ARCH-M1 closure proof, gated by //go:build
    integration matching the rest of internal/integration/.
  - Scenario: 1 postgres container shared across N=3 independent
    *PostgresSlidingWindowLimiter instances (each replica's process
    has its own *sql.DB pool to the same database, just like a real
    HA deployment). 100 concurrent Allow("test-key") calls round-
    robin across the 3 limiters via sync.WaitGroup. Cap = 10,
    window = 1m, shared now-timestamp so the scenario is
    deterministic.
  - Assert: exactly 10 succeed + 90 return ErrRateLimited. If the
    cross-replica row lock weren't arbitrating, each replica would
    independently let through ~3-4 requests (10/3), giving 12-15
    successes. The hard-pass on exactly-10 is what makes ARCH-M1
    substantive.

What did NOT change
===================
- internal/ratelimit/sliding_window.go (the memory backend) is
  byte-identical to its pre-Sprint-13.2 state. Same Mutex, same
  Allow signature, same Len/Disabled/pruneOlderThan/evictOldestLocked.
  Compile-time check in limiter.go pins that the memory backend
  still satisfies the new interface.
- No call site in cmd/server, internal/api/handler, internal/service
  changed. Sprint 13.3 owns the 5-site migration + the
  CERTCTL_RATELIMIT_BACKEND env-var selector.
- No new operator dependency. Postgres is already required for
  certctl-server to boot. Redis (Option M1-B) was declined by the
  operator and is not introduced here.

Verification
============

  $ ls migrations/000046_rate_limit_buckets.up.sql migrations/000046_rate_limit_buckets.down.sql
  $ ls internal/ratelimit/limiter.go internal/ratelimit/postgres_sliding_window.go

  $ grep -nE 'sync\.Mutex|sync\.RWMutex' internal/ratelimit/sliding_window.go
    30:// by sync.Mutex; per-key slices mutated only while the mutex is
    56:	mu       sync.Mutex
    (memory backend untouched)

  $ gofmt -l internal/ratelimit/ internal/integration/  → clean
  $ go vet ./internal/ratelimit/...                      → clean
  $ go vet -tags=integration ./internal/integration/...  → clean
  $ staticcheck ./internal/ratelimit/...                 → clean
  $ go build ./...                                       → clean
  $ go build -tags=integration ./internal/integration/...→ clean

  $ go test -race -short -count=1 ./internal/ratelimit/...
    ok  github.com/certctl-io/certctl/internal/ratelimit  1.028s
    (memory equivalence + sliding_window_test.go both pass; postgres
    equivalence skipped under -short as designed)

  $ go doc ./internal/ratelimit/
    type Limiter interface{ ... }
    type PostgresSlidingWindowLimiter struct{ ... }
        func NewPostgresSlidingWindowLimiter(db *sql.DB, maxN int,
            window time.Duration) *PostgresSlidingWindowLimiter
    type SlidingWindowLimiter struct{ ... }
        func NewSlidingWindowLimiter(maxN int, window time.Duration,
            mapCap int) *SlidingWindowLimiter
    var ErrRateLimited = ...
    (public surface matches the Sprint 13.2 prompt's required diff)

Sandbox note: the multi-replica integration test + the postgres
equivalence half run under testcontainers-go which requires docker-
in-docker. The CI integration job exercises both; local CI-equivalent
verification was build + vet + staticcheck + memory equivalence (the
sandbox /sessions partition is full so spinning a postgres container
locally isn't viable in this session). The Sprint 13.3 commit will
re-verify against the live integration job.

Next: Sprint 13.3 wires every call site through
ratelimit.NewLimiter(cfg.Server.RateLimitBackend, db, ...) +
introduces the scheduler janitor loop + rewrites the
docs/operator/observability.md "per-process" paragraph to describe
the configurable backend.

Refs: ARCH-M1 (HA / scale — rate limits per-process), Phase 13
Sprint 13.2.
2026-05-14 11:30:44 +00:00
shankar0123 558d350933 fix(ci): teach 3 CI guards about Phase 9 sibling-file splits
Two CI guards on origin/master failed against the Sprint-12 commit
(30940108) because they didn't know about new files introduced by
earlier Phase 9 sprints. Both are pure mechanical relocation
fall-out — no actual regression in functionality.

1. scripts/ci-guards/no-new-synthetic-admin.sh — A-8 guard
====================================================================
Sprint 5 (commit 51f9cf13) extracted the Auth-family from
internal/config/config.go to internal/config/auth.go. The 4
'actor-demo-anon' references moved with the Auth-family code:

  - Line 255: 'actor-demo-anon is wired with AdminKey=true'
    documentation comment alongside the AdminKey wiring narrative.
  - Lines 283/289/293: residual-grants detector + cleanup SQL
    examples explaining why 'ar-demo-anon-admin' is reserved.

These are the SAME comments that were previously in config.go (which
IS in the allowlist), just relocated to the new sibling file. The
references were always present in the codebase; the A-8 guard was
just unaware of the new file location.

Fix: add './internal/config/auth.go' to the ALLOWLIST with a rationale
comment pointing at commit 51f9cf13.

Local verification: A-8 guard PASS — actor-demo-anon references
confined to the declared 19-entry allowlist (was 18, now 19).

2. internal/ciparity/surface_parity_test.go — mcpToolFiles list
====================================================================
Sprint 10 (commit fbe053aa) split internal/mcp/tools.go (1867 LOC,
121 mcp.AddTool registrations) into six tool-domain sibling files:

  tools_certificates.go (22 tools — cert + CRL/OCSP + renewal + verify)
  tools_agents.go       (16 tools — agents + agent groups)
  tools_resources.go    (40 tools — issuers + targets + policies +
                                    profiles + teams + owners +
                                    notifications + intermediate-CAs)
  tools_jobs.go         (9  tools — jobs + approvals)
  tools_discovery.go    (10 tools — network-scan + discovery)
  tools_admin.go        (24 tools — audit + stats + digest + metrics
                                    + health + health-check)

The TestSurfaceParity_MCPToolCatalogue hard-gate counts mcp.AddTool
registrations across mcpToolFiles() — a hard-coded 5-file list. After
the split, only 34 tools sat in the 5 known files (tools.go itself
went to 0 tools post-split; only the 4 pre-existing tools_*.go
siblings carried any). The actual cross-file count is 155 (above
the 150 floor).

Fix: expand mcpToolFiles() to include the 6 new Sprint-10 sibling
files. Doc-comment explains the Sprint-10 split + the union-of-files
intent.

Local verification:
  PASS: TestSurfaceParity_MCPToolCatalogue
    MCP tool catalogue: 155 tools (baseline floor 150)

3. docs/testing/skip-inventory.md — line-number drift
====================================================================
Adding the 8-line doc-comment to mcpToolFiles() (item 2) shifted the
location of readFileOrSkip from line 97 to line 113 in
surface_parity_test.go. The skip-inventory.md is auto-generated and
records every t.Skip() site with its file:line; the
skip-inventory-drift CI guard re-runs the generator and diffs.

Fix: bump the inventory entry from :97 to :113. One-line tracking
update; same skip site, new line number. (No t.Skip() was added or
removed.)

Behavior preservation contract
==============================
- Zero runtime change. All three diffs touch only CI-guard
  metadata (allowlist string, file-list slice, doc line-number).
- A-8 guard re-runs clean post-fix.
- TestSurfaceParity_MCPToolCatalogue runs and reports 155 tools.
- skip-inventory drift detection re-pins to the live line number.
- gofmt + go vet + staticcheck remain clean on the touched files
  (verified pre-commit; the sandbox /sessions partition is full so
  the broader 'all guards' loop was interrupted on a tmpfile write,
  not on a real regression — the deterministic fix above matches
  the CI failure output byte-for-byte).

Closes: CI failures on commit 30940108 across Frontend Build (A-8
guard) + Go Build & Test (TestSurfaceParity_MCPToolCatalogue).
2026-05-14 11:04:32 +00:00
shankar0123 cd374b243e refactor(handler): split auth_session_oidc.go by handler-section (Phase 9, 11 of N)
Phase 9 ARCH-M2 closure Sprint 11. Splits
internal/api/handler/auth_session_oidc.go (was 1577 LOC, the
fifth-largest backend hotspot from the original audit) via the
Option B sibling-file pattern — new files stay in `package handler`
so every external caller of
`handler.AuthSessionOIDCHandler.{LoginInitiate, LoginCallback,
BackChannelLogout, Logout, ListSessions, RevokeSession,
RevokeAllExceptCurrent, ListProviders, CreateProvider,
UpdateProvider, DeleteProvider, TestProvider, RefreshProvider,
ListGroupMappings, AddGroupMapping, RemoveGroupMapping}` and
`handler.{DefaultBCLVerifier, NewDefaultBCLVerifier,
DefaultBCLVerifierMaxAge}` resolves the same way. Pure mechanical
relocation; no signature, no behavior, no import-graph change.

Section-based split (Option B + audit's verb prescription)
==========================================================
The audit's Tasks-Deferred row prescribed splitting "per handler
verb (login / callback / refresh / logout / backchannel)." The
file itself documents a three-section layout in its package
doc-comment:

  1. Public OIDC handshake (auth-exempt)
  2. Session management (RBAC-gated)
  3. OIDC provider + group-mapping CRUD (RBAC-gated)

Going strictly verb-by-verb would have:
  - mis-grouped RefreshProvider (which is an ADMIN op on a
    provider's signing-key cache, not a session refresh — same
    auth.oidc.edit permission as Update/Delete);
  - split LoginInitiate + LoginCallback into separate files
    despite them sharing the state cookie + pre-login row flow;
  - left the other 9 handlers (Sessions, Provider CRUD, Group
    Mappings) with no obvious home.

Sprint 11 follows the file's own self-described section split
plus a fourth file for the DefaultBCLVerifier, which the original
file already kept under a separate banner.

What moved
==========

New `internal/api/handler/auth_session_oidc_handshake.go` (391 LOC)
— Section 1 / Public OIDC handshake handlers (auth-exempt):
  - LoginInitiate (GET /auth/oidc/login?provider=<id>)
  - LoginCallback (GET /auth/oidc/callback?code=...&state=...)
  - BackChannelLogout (POST /auth/oidc/back-channel-logout)
  - Logout (POST /auth/logout)

New `internal/api/handler/auth_session_oidc_sessions.go` (208 LOC)
— Section 2 / Session-management handlers (RBAC-gated):
  - sessionResponse projection type + sessionToResponse mapper
  - ListSessions (GET /api/v1/auth/sessions)
  - RevokeSession (DELETE /api/v1/auth/sessions/{id})
  - RevokeAllExceptCurrent
    (DELETE /api/v1/auth/sessions/all-except-current)

New `internal/api/handler/auth_session_oidc_crud.go` (470 LOC) —
Section 3 / OIDC provider + group-mapping CRUD (RBAC-gated):
  - oidcProviderResponse + oidcProviderRequest projection types,
    providerToResponse mapper
  - ListProviders / CreateProvider / UpdateProvider /
    DeleteProvider / TestProvider / RefreshProvider
  - groupMappingResponse + groupMappingRequest projection types,
    mappingToResponse mapper
  - ListGroupMappings / AddGroupMapping / RemoveGroupMapping

New `internal/api/handler/auth_session_oidc_bcl.go` (225 LOC) —
DefaultBCLVerifier (handler's default implementation of the
BackChannelLogoutVerifier interface declared in
auth_session_oidc.go):
  - DefaultBCLVerifierMaxAge constant
  - DefaultBCLVerifier struct + NewDefaultBCLVerifier
  - WithMaxAge builder
  - Verify (the OpenID Connect Back-Channel Logout 1.0 §2.6
    verification: events claim, iat window, algorithm allowlist,
    audience match, sub/sid/jti decode)
  - peekIssuer unexported helper

What stays in auth_session_oidc.go (452 LOC, down from 1577)
============================================================
  - Package + import block.
  - Service-layer interface projections (OIDCAuthHandshaker,
    SessionMinter, BackChannelLogoutVerifier) — declared once and
    consumed by every section.
  - SessionCookieAttrs config struct.
  - AuthSessionOIDCHandler struct + permissionChecker /
    BCLReplayConsumer / AuditRecorder interfaces + NewAuthSession-
    OIDCHandler constructor + the WithPermissionChecker /
    WithBCLReplayConsumer builder methods.
  - The shared helpers consumed across multiple sections:
    encryptClientSecret, recordAudit, clearPreLoginCookie,
    clearSessionCookies, clientIPFromRequest, classifyOIDCFailure,
    randomB64URLForHandler, defaultIfBlank, defaultIntIfZero.

Side-effect import cleanup
==========================
Four imports drop from auth_session_oidc.go as a clean side effect
of the cut:
  - "encoding/json" (used only in CRUD + BCL — moved out)
  - "fmt" (used only in BCL — moved out)
  - gooidc "github.com/coreos/go-oidc/v3/oidc"
    (used only in BCL — moved out)
  - oidcdomain "github.com/certctl-io/certctl/internal/auth/oidc/domain"
    (used in handshake + CRUD + BCL — moved out)
Per-import audit on every new sibling file is in the commit's diff:
each carries only the imports its extracted code actually consumes.

Net effect
==========
auth_session_oidc.go: 1577 → 452 LOC (-1,125 = -71.3%). Four new
sibling files at 1,294 LOC total (1,125 moved + ~169 of header +
Phase 9 doc-comment overhead). The original hotspot drops below
the cmd/agent/main.go target for Sprint 12 (1489 LOC).

Cumulative Phase 9 progress (top 5 hotspots)
============================================
  config.go         3403 → 1342 (-60.6%, Sprints 1-7)
  cmd/server/main.go  2966 → 2260 (-23.8%, Sprints 8 + 8b)
  service/acme.go   1965 → 1162 (-40.9%, Sprints 9 + 9b)
  mcp/tools.go      1867 →  109 (-94.2%, Sprint 10)
  auth_session_oidc 1577 →  452 (-71.3%, Sprint 11)
  TOTAL across 5 files: 11,778 → 5,325 LOC = -6,453 (-54.8%)

Behavior preservation contract
==============================
1. gofmt -l clean across all 5 affected files.
2. go vet ./internal/api/handler/... — no findings.
3. staticcheck ./internal/api/handler/... — no findings.
4. go test -short -count=1 ./internal/api/handler/... — green
   (includes the 1,439-line auth_session_oidc_test.go suite that
   pins every moved handler's behavior including BCL replay,
   CSRF rotation, audit emission, and the Phase-5 RBAC path).
5. Broader-importer build green: go build ./... .
6. Broader-importer tests green: go test -short -count=1
   ./cmd/server/... ./internal/api/router/... .

cmd/server/main.go consumes handler.DefaultBCLVerifier +
handler.NewDefaultBCLVerifier + handler.DefaultBCLVerifierMaxAge
across three call sites; all three resolve unchanged through Go's
same-package public-export mechanism (the type + constructor
moved to a sibling file in the same `handler` package). The
mcp/tools_auth_bundle2.go comment string referencing
"oidcProviderRequest" is descriptive prose, not an import.

What remains for Phase 9
========================
One sibling-file split queued:
  - Sprint 12: cmd/agent/main.go (1489 LOC) → main + poll +
    deploy + register sibling files in same cmd/agent package
    (mirrors the cmd/server pattern from Sprints 8 + 8b).

Refs: ARCH-M2 (god-files), Phase 9 audit. Sprint 11 closes the
auth-session-OIDC handler hotspot from the audit's top-5 list.
2026-05-14 10:22:33 +00:00
shankar0123 fbe053aa0c refactor(mcp): split tools.go by tool domain — Option B sibling-files (Phase 9, 10 of N)
Phase 9 ARCH-M2 closure Sprint 10. Splits internal/mcp/tools.go
(was 1867 LOC, the second-largest backend hotspot after the
service/acme.go cuts in Sprints 9 + 9b) via the Option B sibling-
file pattern — new files stay in `package mcp` so every external
caller of `mcp.RegisterTools(...)` resolves the same way. Pure
mechanical relocation; no signature, no behavior, no import-graph
change.

Why this is naturally suited to Option B
========================================
The mcp package already follows the sibling-file convention:
tools_audit_fix.go (registerAuditFixTools), tools_auth.go
(registerAuthTools), tools_auth_bundle2.go (registerAuthBundle2Tools),
and tools_est.go (registerESTTools) each carry a single
register-function each, all in the same `mcp` package. Sprint 10
extends that pattern to the 22 register-functions still inside
tools.go.

The structure of tools.go is unusually clean for a refactor: every
domain has its own `// ── DomainName ──` banner above its
register-function, and every register-function ends with a `}` +
blank line before the next domain's banner. The RegisterTools
dispatcher stayed in tools.go and still invokes each
registerXxxTools(...) in the same order — calls cross a file
boundary but stay in `package mcp`, so same-package resolution
makes them zero-cost.

What moved
==========

New `internal/mcp/tools_certificates.go` (404 LOC) — certificate-
lifecycle domain:
  - registerCertificateTools (cert CRUD + revocation)
  - registerCRLOCSPTools
  - registerRenewalPolicyTools (Phase C P1-1..P1-5)
  - registerVerificationTools (Phase G P1-32/P1-34/P1-35)

New `internal/mcp/tools_agents.go` (266 LOC) — agent-management
domain:
  - registerAgentTools (per-agent CRUD + lifecycle)
  - registerAgentGroupTools

New `internal/mcp/tools_resources.go` (565 LOC) — resource-
management / configuration surface:
  - registerIssuerTools, registerTargetTools
  - registerPolicyTools, registerProfileTools
  - registerTeamTools, registerOwnerTools
  - registerNotificationTools
  - registerIntermediateCATools (Phase F P1-6..P1-9)

New `internal/mcp/tools_jobs.go` (170 LOC) — workflow domain:
  - registerJobTools
  - registerApprovalTools + approvalDecisionPayload struct
    (Phase A P1-28..P1-31)

New `internal/mcp/tools_discovery.go` (169 LOC) — discovery domain:
  - registerNetworkScanTools (Phase D P1-14..P1-19)
  - registerDiscoveryReadTools (Phase E P1-10..P1-13)

New `internal/mcp/tools_admin.go` (369 LOC) — observability / admin
domain:
  - registerAuditTools, registerStatsTools, registerDigestTools,
    registerMetricsTools, registerHealthTools
  - registerHealthCheckTools (Phase B P1-20..P1-27)

What stays in tools.go (109 LOC, down from 1867)
================================================
  - The RegisterTools dispatcher (still owns the canonical
    registration order; calls cross-file but stay in-package).
  - The three Bundle-3 wrappers + helper that every register
    function consumes: textResult (the json.RawMessage success-path
    fence), errorResult (the failure-path fence), paginationQuery
    (the URL helper).

The unused `context` import is dropped from tools.go as a clean
side effect — none of the four surviving functions take a
context.Context. Per-import audit on every new file:
  - tools_certificates.go: context, fmt, gomcp
  - tools_agents.go: context, fmt, net/url, gomcp
  - tools_resources.go: context, gomcp
  - tools_jobs.go: context, gomcp
  - tools_discovery.go: context, gomcp
  - tools_admin.go: context, net/url, strconv, gomcp
None of the moved code touched encoding/json directly — that import
stays inside tools.go for textResult's json.RawMessage param.

Bundle-3 fence guardrail update
===============================
The existing TestFenceGuardrail_NoBareCallToolResult guardrail in
fence_guardrail_test.go fails any file that constructs
gomcp.CallToolResult{...} literals outside the tools.go allowlist.
registerCRLOCSPTools — which moved to tools_certificates.go — has
two pre-existing literal CallToolResult constructions: each returns
a server-built status string of the form "DER CRL retrieved (%d
bytes, content-type: %s)" or "OCSP response retrieved (...)". The
byte count is `len(raw)` (server-controlled) and the content-type
comes from the HTTP header on the upstream PKI endpoint
(server-controlled in self-hosted deployments). Both predate
Bundle-3 fencing.

Two options to keep CI green:
  (a) Route through textResult — but that changes behavior (adds
      the UNTRUSTED MCP_RESPONSE fence around the response), which
      breaks the "mechanical relocation, no behavior change" rule
      Sprint 10 commits to.
  (b) Add tools_certificates.go to the allowlist with a comment
      explaining the carve-out is pre-existing and Sprint 10
      preserves byte-exact behavior.

This commit takes option (b). The allowlist comment in
fence_guardrail_test.go documents the carve-out, points at the
specific tools (CRL + OCSP binary-pass-through with server-built
status descriptions), and flags tightening these two sites through
textResult as a follow-up concern (open question: does the format
break MCP consumers that parse the description text).

Net effect
==========
tools.go: 1867 → 109 LOC (-1758 = -94.2%). Six new sibling files at
1943 LOC total (109 LOC of header + Phase 9 doc-comment overhead
per file = ~185 LOC of added documentation; the rest is moved
code). The biggest pre-Sprint-10 hotspot in the mcp package is now
smaller than tools_test.go (435 LOC).

Cumulative Phase 9 progress
===========================
  config.go        3403 → 1342 (-60.6%, Sprints 1-7)
  cmd/server/main.go 2966 → 2260 (-23.8%, Sprints 8 + 8b)
  service/acme.go  1965 → 1162 (-40.9%, Sprints 9 + 9b)
  mcp/tools.go     1867 →  109 (-94.2%, Sprint 10)
  TOTAL across 4 files: 10,201 → 4,873 LOC = -5,328 (-52.2%)

Behavior preservation contract
==============================
1. gofmt -l clean across all 8 affected files.
2. go vet ./internal/mcp/... — no findings.
3. staticcheck ./internal/mcp/... ./cmd/mcp-server/... — no findings.
4. go test -short -count=1 ./internal/mcp/... — green (includes the
   TestFenceGuardrail_NoBareCallToolResult guardrail post-allowlist-
   update, the tools_per_tool_test.go suite that exercises every
   moved register function, and the injection_regression_test.go
   suite that pins Bundle-3 fencing behavior on the wrapper layer).
5. Broader-importer build green: go build ./... .
6. Broader-importer tests green: go test -short ./cmd/mcp-server/...
   ./internal/api/handler/... ./cmd/server/... .

Same-package resolution means the RegisterTools dispatcher's
13-line call list in tools.go reaches each registerXxxTools across
six new sibling files via compile-time-resolved package-level
names; the public mcp.RegisterTools entry point + its (s, client)
signature is unchanged.

What remains for Phase 9
========================
Two sibling-file splits queued:
  - Sprint 11: internal/api/handler/auth_session_oidc.go (1577 LOC)
    split per handler verb (login / callback / refresh / logout /
    backchannel).
  - Sprint 12: cmd/agent/main.go (1489 LOC) mirroring the cmd/server
    pattern from Sprints 8 + 8b.

Refs: ARCH-M2 (god-files), Phase 9 audit. Sprint 10 closes the MCP
hotspot from the audit's top-6 list.
2026-05-14 10:15:21 +00:00
shankar0123 b1fa4970be refactor(service/acme): extract orders concern to sibling file (Phase 9, 9b — deferred half of Sprint 9)
Phase 9 ARCH-M2 closure Sprint 9b — the orders cut Sprint 9
explicitly deferred. Closes the bigger half of the
internal/service/acme.go split via the Option B sibling-file pattern
(operator's post-Sprint-8 choice — package stays `service`, no
import-path churn for ~70 call sites).

Why Sprint 9b is a separate commit from Sprint 9
================================================
Sprint 9 shipped four cuts whose source ranges were each a single
contiguous region in acme.go (nonces, authz, challenges, gc — line
ranges 423-444 / 999-1018 / 1326-1561 / 1914-1965 at audit time).
Sprint 9b crosses a different shape:
  1. Non-contiguous source: orders block A (lines 795-1223 pre-cut)
     + helpers block B (1237-1283 pre-cut), with
     firstAvailableIssuer at 1227-1235 staying behind because it's
     called from Phase 4 RevokeCert + RenewalInfo too.
  2. Per-helper move-vs-stay decision: each helper in the
     post-FinalizeOrder cluster needed an explicit call-graph audit
     to decide whether it moves with orders or stays with the
     surviving cross-concern surface in acme.go.

Same shape as the Sprint 8 / Sprint 8b split (mechanical vs harder-
shape on separate commits) — the Phase 9 prompt's "do not bundle"
rule enforcing itself.

What moved
==========

New `internal/service/acme_orders.go` (540 LOC)
-----------------------------------------------
Contains the entire Phase 2 orders concern:
  - The `// --- Phase 2 — orders + authz + finalize + cert download`
    banner (moves with its contents, not left as a phantom in
    acme.go pointing at code that's no longer there).
  - The four public order methods: CreateOrder, LookupOrder,
    FinalizeOrder, LookupCertificate.
  - The FinalizeOrderResult shape (consumed only by FinalizeOrder
    callers).
  - accountOwnsACMECert (only callsite: LookupCertificate).
  - The three orders-internal ID helpers: randIDSuffix +
    base32encode (random ACME entity IDs) + identifierStrings
    (audit details).

Per-helper move-vs-stay analysis
================================
Grep against the post-Sprint-9 tree pinned every helper's call sites
before the cut decision:

  randIDSuffix:           callers in CreateOrder (4x) + FinalizeOrder
                          (1x) — all moving. MOVE.
  base32encode:           only caller is randIDSuffix. MOVE.
  identifierStrings:      only caller is CreateOrder. MOVE.
  accountOwnsACMECert:    only caller is LookupCertificate. MOVE.

  firstAvailableIssuer:   three call sites — FinalizeOrder (moving),
                          RevokeCert (staying, Phase 4), RenewalInfo
                          (staying, Phase 4). STAY in acme.go.
                          Doc-comment updated to flag cross-concern
                          status + explain why it's not moved.
  mapACMERevocationReason: only caller is RevokeCert. STAY (already
                          sits in the Phase 4 region of acme.go and
                          belongs with its sole caller).
  jwksThumbprintsEqualSvc: only caller is RotateAccountKey. STAY
                          (Phase 4 helper; never had an orders
                          relationship).

Side effect: import cleanup
===========================
With randIDSuffix moved, acme.go no longer references crypto/rand.
The `cryptorand "crypto/rand"` aliased import is removed.
Per-symbol audit confirmed every other import (context, crypto/x509,
errors, fmt, strings, sync/atomic, time, jose, internal/api/acme,
internal/config, internal/domain, internal/repository) is still
consumed by surviving code in acme.go.

Net effect
==========
acme.go: 1634 → 1158 LOC pre-doc-update; 1162 LOC post the four-line
firstAvailableIssuer doc-comment refresh (-472 net, -28.9% from the
post-Sprint-9 size). Original audit-time size was 1965 LOC; cumulative
Sprint-9 + Sprint-9b reduction: 1965 → 1162 = -803 LOC (-40.9%).
The biggest single backend hotspot from the audit is now smaller
than mcp/tools.go.

Behavior preservation contract
==============================
1. gofmt -l clean across acme.go + acme_orders.go.
2. go vet ./internal/service/... — no findings.
3. staticcheck ./internal/service/... ./cmd/server/...
   ./internal/api/handler/... ./internal/scheduler/...
   ./internal/mcp/... — no findings.
4. go test -short -count=1 ./internal/service/... — green
   (including the orderTrackingRepo + TestCreateOrder_* +
   TestFinalizeOrder_* + TestLookupCertificate_* surface that
   pins the moved code's behavior).
5. Broader-importer suite green:
   go test -short -count=1 ./cmd/server/... ./internal/api/handler/...
                          ./internal/scheduler/...
6. Per-symbol import audit on both files (no unused imports left,
   no missing imports introduced).

Same-package resolution means every call inside FinalizeOrder /
RevokeCert / RenewalInfo to firstAvailableIssuer crosses a file
boundary but stays within `package service` — zero overhead at
compile time, zero change to the public method-set on
service.ACMEService.

What remains for Phase 9
========================
Three sibling-file splits queued for Sprints 10-12:
  - Sprint 10: internal/mcp/tools.go (1867 LOC) grouped by tool
    domain (certificate / agent / job / discovery / admin).
  - Sprint 11: internal/api/handler/auth_session_oidc.go (1577 LOC)
    split per handler verb.
  - Sprint 12: cmd/agent/main.go (1489 LOC) mirroring the cmd/server
    pattern from Sprint 8.

Refs: ARCH-M2 (god-files), Phase 9 audit. Sprint 9b is the named
follow-on to Sprint 9; after this commit, the service-layer cut from
the audit's hotspot list is fully closed.
2026-05-14 10:06:06 +00:00
shankar0123 b503d27b4f refactor(service/acme): split into sibling files — Option B (Phase 9, 9 of N — partial)
Phase 9 ARCH-M2 closure Sprint 9. Splits internal/service/acme.go
(was 1965 LOC, the top hotspot after Sprints 1-8 finished the
config + main-binary cuts) via the Option B sibling-file pattern —
new files stay in `package service` so every external caller of
`service.ACMEService.{IssueNonce,LookupAuthz,ListAuthzsByOrder,
RespondToChallenge,GarbageCollect}` resolves the same way. Pure
mechanical relocation; no signature, no behavior, no import-graph
change.

Why Option B (not a subpackage)
================================
A subpackage (e.g. `internal/service/acme/`) would have meant
rebadging every public method receiver to its new package — that's
import-path churn for ~70 call sites across handlers, scheduler,
cmd/server wiring, MCP tools, and tests, plus the cyclic-import
risk of pulling acme back into `service` for the shared interfaces.
Option B sacrifices the encapsulation discipline a subpackage
would have given (sibling files can still reach into each other's
unexported state because Go scopes are per-package), but in
exchange the diff is restricted to file moves + four sed deletes;
zero importer touches anywhere outside this directory. The
trade-off matches every prior Sprint 1-7 config cut.

What moved
==========

New `internal/service/acme_nonces.go` (46 LOC)
----------------------------------------------
The IssueNonce method (RFC 8555 §6.5 Replay-Nonce issuance). The
nonceAdapter type — which wraps ACMERepo.ConsumeNonce for the JWS
verifier — stays in acme.go alongside VerifyJWS because it's
verification-infrastructure plumbing, not a server-issues-nonce
concern.

New `internal/service/acme_authz.go` (45 LOC)
---------------------------------------------
LookupAuthz + ListAuthzsByOrder (the authz read-side). Authz write-
side (status cascade after challenge validation) lives in
acme_challenges.go alongside recordChallengeOutcome where it
belongs operationally; the authz creation path stays inside
CreateOrder in acme.go (orders own per-order authz row creation).

New `internal/service/acme_challenges.go` (267 LOC)
---------------------------------------------------
The whole Phase 3 challenge dispatch + validator callback concern:
the `// --- Phase 3 — challenge dispatch + validator callback ---`
banner, the ChallengeResponseShape struct, the HTTP-facing
RespondToChallenge method (which transitions challenge → processing
and submits to the validator pool), and the asynchronous
recordChallengeOutcome callback (which persists final challenge
status and cascades the parent authz + order status). Largest
single extract this sprint by line count.

New `internal/service/acme_gc.go` (74 LOC)
------------------------------------------
The Phase 5 ACME GC sweep: scheduler-invoked GarbageCollect entry
point (3 sweeps: nonces, expired authzs, expired orders) and the
atomicAddUint64 counter helper (only consumed by the sweep body
for the rows-affected-N case the default `bump` doesn't cover).

What deferred
=============
Sprint 9 was originally scoped to ship 5 sub-files (nonces / authz /
challenges / orders / gc). The orders cut — CreateOrder +
LookupOrder + FinalizeOrder + LookupCertificate + the orders
helpers (randIDSuffix / base32encode / identifierStrings /
firstAvailableIssuer / accountOwnsACMECert / mapACMERevocationReason) +
FinalizeOrderResult — is ~700 LOC spread across multiple non-
contiguous regions in acme.go, with the orders helpers also feeding
into RevokeCert / RenewalInfo on the Phase 4 side. Disentangling
which helpers move with orders vs which stay with Phase 4 needs a
focused sprint of its own to avoid leaving a half-cut helper
declared in one file but called from a sibling — which works
(same package) but defeats the point of organising by concern.
Deferred to a potential Sprint 9b.

Net effect
==========
acme.go: 1965 → 1634 LOC (-331). Four new sibling files at 432 LOC
total. The headline 1965-LOC hotspot drops below the next-tier
candidates (mcp/tools.go, auth_session_oidc.go, cmd/agent/main.go).

Behavior preservation contract
==============================
1. gofmt -l clean across all 5 affected files.
2. go vet ./internal/service/... — no findings.
3. staticcheck ./internal/service/... — no findings.
4. go test -short -count=1 ./internal/service/... — green.
5. Broader-importer build green:
   go build ./cmd/server/... ./internal/api/handler/...
            ./internal/scheduler/... ./internal/mcp/...
6. Broader-importer tests green:
   go test -short -count=1 ./cmd/server/... ./internal/api/handler/...
                          ./internal/scheduler/...
7. Per-import-symbol audit: all 8 imports remaining in acme.go
   (context, cryptorand, x509, errors, fmt, strings, sync/atomic,
   time, jose, internal/api/acme, internal/config, internal/domain,
   internal/repository) verified used by surviving code. New
   sibling files carry only the imports their extracted code needs.

The Option B sibling-file shape means same-package resolution
preserves access to ACMEService's unexported state from every
extracted method without any visibility tweaks. Worth noting for
the future: this also means a careless future caller could reach
through file boundaries and re-tangle concerns; the file headers
document the intended boundary but Go's tooling won't enforce it.

Why this is a partial sprint
============================
Splitting into 4 of 5 named sub-files now (vs blocking until orders
is also clean) keeps the hotspot count down with this commit and
lets a follow-up Sprint 9b focus exclusively on the orders cut
without re-touching the four files this sprint ships. Same
"smallest useful slice, document the rest" cadence as Sprint 8
splitting into 8a (mechanical) + 8b (behavior-aware).

Refs: ARCH-M2 (god-files), Phase 9 audit. Last in the config /
service hotspot chain before the agent + mcp + auth-session cuts
land in Sprints 10-12.
2026-05-14 09:58:46 +00:00
shankar0123 7f57b1d3bf refactor(config): extract Issuers family — LAST in-config cut (Phase 9, 7 of N)
Continuing Phase 9 ARCH-M2 closure. Sprint 7 is the LAST in-config
cut of Phase 9. After this commit lands, the remaining sub-splits
target non-config hotspots (cmd/server/main.go, service/acme.go,
mcp/tools.go, auth_session_oidc.go, cmd/agent/main.go).

What moved
==========
  internal/config/issuers.go (new, 435 lines including BSL header +
                              Phase 9 doc-comment + 12 structs)

Twelve issuer-related structs collected in one place for the first
time:

  - KeygenConfig          global key-generation policy (agent vs server)
  - CAConfig              Local CA mode (self-signed vs sub-CA)
  - StepCAConfig          step-ca (URL + JWK provisioner)
  - VaultConfig           HashiCorp Vault PKI
  - DigiCertConfig        DigiCert CertCentral
  - SectigoConfig         Sectigo Certificate Manager
  - GoogleCASConfig       Google Cloud CA Service
  - AWSACMPCAConfig       AWS ACM Private CA
  - EntrustConfig         Entrust Certificate Services
  - GlobalSignConfig      GlobalSign Atlas HVCA
  - EJBCAConfig           EJBCA / Keyfactor
  - OpenSSLConfig         OpenSSL / custom CA

Simplest split shape of Phase 9 so far
======================================
- ZERO helpers move. Every issuer config is pure data — strings,
  ints, bools. No time.Duration, no nested struct, no helper
  function reference.
- ZERO imports needed in issuers.go beyond the package declaration.
  Verified by: `awk 'NR>=136 && NR<=269 || NR>=355 && NR<=527 ||
  NR>=586 && NR<=609' internal/config/config.go | grep -E '\btime\.
  |\bos\.|\bfmt\.'` returned empty before the move.

Three sed passes (Sprint-6 pattern, scattered targets)
======================================================
The 12 issuer types were SCATTERED across config.go interleaved
with non-issuer types (OCSPResponderConfig, EncryptionConfig, the
discovery family, DigestConfig, HealthCheckConfig, NetworkScanConfig,
VerificationConfig, ApprovalConfig). Three independent sed deletes
from highest-line to lowest:

  Block 3 (line 586-609):  OpenSSLConfig alone (24 lines)
  Block 2 (line 355-527):  KeygenConfig + CAConfig + StepCAConfig +
                           VaultConfig + DigiCertConfig +
                           SectigoConfig + GoogleCASConfig
                           (173 lines)
  Block 1 (line 136-269):  AWSACMPCAConfig + EntrustConfig +
                           GlobalSignConfig + EJBCAConfig
                           (134 lines)

Total: 331 lines deleted.

Highest-line-first ordering keeps every range pre-shift-stable —
no mid-edit re-derivation.

What stayed in config.go
========================
- OCSPResponderConfig (server-side OCSP responder; not issuer-side)
- EncryptionConfig (config-at-rest encryption; not issuer-side)
- CloudDiscoveryConfig + AWSSecretsMgrDiscoveryConfig +
  AzureKVDiscoveryConfig + GCPSecretMgrDiscoveryConfig
  (cloud-DISCOVERY sources reading certs others issued; not issuer
  connectors. Could form a future config/discovery.go split.)
- DigestConfig + HealthCheckConfig (notifier-policy /
  health-monitor cadence; not issuer-related)
- NetworkScanConfig + VerificationConfig (discovery / verify;
  not issuer-related)
- ApprovalConfig (RBAC issuance-approval workflow; Sprint 6's
  deliberate exclusion still applies)
- The Config struct itself (line 67) + every Load() / Validate()
  body that references issuer configs by field name.

Public-surface invariant
========================
Every type, exported field, and doc-comment is byte-identical to
pre-split. Package stays `config`. No issuer-config type exports
a method (the entire surface is fields — preserved verbatim).
Every external caller path (`config.AWSACMPCAConfig` /
`config.EntrustConfig` / etc.) resolves the same way.

Verification (all clean):
  gofmt -l internal/config/                  → clean
  go build ./internal/config/...             → clean
  go test ./internal/config/... -count=1     → ok (0.67s)
  staticcheck ./internal/config/...          → clean
  go build ./cmd/server/...
          ./internal/auth/...
          ./internal/api/router/...
          ./internal/api/handler/...
          ./internal/scheduler/...
          ./internal/connector/issuer/...    → clean (broader build
                                                expanded to include
                                                issuer packages
                                                this sprint since
                                                they're the most
                                                likely external
                                                consumers of the
                                                moved types)
  grep -nE '^type (KeygenConfig|CAConfig|StepCAConfig|VaultConfig|
                    DigiCertConfig|SectigoConfig|GoogleCASConfig|
                    OpenSSLConfig|AWSACMPCAConfig|EntrustConfig|
                    GlobalSignConfig|EJBCAConfig)'
       internal/config/config.go             → empty (none remain)
  grep -nE '^type (KeygenConfig|CAConfig|...)' internal/config/issuers.go
                                              → 12 types (correct)

LOC delta:
  config.go:  1673 → 1342  (-331 lines: -134 Block 1, -173 Block 2,
                                        -24 Block 3)
  issuers.go: new, 435 lines (incl. 102-line Phase 9 doc-comment +
                              BSL header + package decl)

Cumulative Phase 9 progress (Sprints 1-7 from config.go):
  Pre-Phase-9:                  3403 LOC
  After Sprint 1 (Notifier):    3335 LOC  (-68)
  After Sprint 2 (ACME):        3108 LOC  (-227)
  After Sprint 3 (SCEP):        2774 LOC  (-334)
  After Sprint 4 (EST):         2467 LOC  (-307)
  After Sprint 5 (Auth):        1963 LOC  (-504)
  After Sprint 6 (Server):      1673 LOC  (-290)
  After Sprint 7 (Issuers):     1342 LOC  (-331)
  Total Sprint 1+2+3+4+5+6+7:  -2061 LOC  (-60.6%)

Notable milestones (Sprint 7)
==============================
- config.go has lost MORE than 60% of its original lines.
- 6 sibling config-package files now exist alongside config.go,
  each scoped to a single concern. Total config package size
  3898 LOC across 7 files (was 3403 LOC in 1 file pre-Phase-9 —
  net 14.6% growth from per-file Phase 9 doc-comments + the file
  headers; in exchange, the largest single file dropped from
  3403 → 1342 LOC, a 60.6% concentration reduction).
- This is the LAST cut from config.go. The remaining 5 sub-splits
  target non-config hotspots and use entirely different file-shape
  patterns (subpackage creation for service/acme; per-verb file
  splits for handlers; pure-domain grouping for mcp/tools).

Next queued (Sprint 8): cmd/server/main.go split into main.go
(entrypoint) + cmd/server/wire.go (DI assembly) +
cmd/server/migrations.go (boot-time migration path). main.go is
the SECOND-LARGEST hotspot at 2966 LOC. Different from
config.go cuts because:
  - cmd/server/ is a package with multiple files already (per
    `ls cmd/server/`); the new files will live alongside existing
    ones (auth_backfill.go, tls.go, etc.) which means no new
    subdirectory needed.
  - The cut is by FUNCTIONAL CONCERN (boot sequencing) rather
    than by TYPE FAMILY (struct grouping), so the boundary lines
    are different in nature.
  - Phase 4's migration-hook code (in main.go today) inherits
    into migrations.go without code-change — the Phase 9 prompt
    explicitly says "Phase 4's pre-install migration hook adds
    a path to cmd/server/migrations.go; doing the split first
    means double-touching the same lines."

Closes: cowork/certctl-architecture-diligence-audit.html#fix-ARCH-M2
        (partial — 7 of 12 — full ARCH-M2 closure is the aggregate)
2026-05-14 04:55:49 +00:00
shankar0123 aaddd31d20 refactor(config): extract Server family + isLoopbackAddr helper (Phase 9, 6 of N)
Continuing Phase 9 ARCH-M2 closure. Sprint 6 groups the server-tier
infrastructure structs (the things that configure HOW the server
runs) and the HIGH-12 demo-mode startup-guard helper that exclusively
serves the ServerConfig.Host gate.

What moved
==========
  internal/config/server.go (new, 374 lines including BSL header +
                            Phase 9 doc-comment + 2 imports +
                            7 structs + 1 unexported helper)

Seven structs:
  - ServerConfig       (HTTP listener: Host, Port, MaxBodySize,
                        TLS sub-struct, AuditFlushTimeoutSeconds)
  - ServerTLSConfig    (HTTPS-only TLS material: CertPath + KeyPath)
  - DatabaseConfig     (URL + MaxConnections + MigrationsPath +
                        DemoSeed)
  - SchedulerConfig    (all 15 scheduler-loop tunables: RenewalCheck,
                        JobProcessor, RenewalConcurrency, agent-health,
                        notification-process + retry, retry-interval,
                        job-timeout, AwaitingCSR + Approval timeouts,
                        short-lived-expiry, CRL-generation, OCSP-rate-
                        limit, cert-export-rate-limit, deploy-backup-
                        retention, K8s-kubelet-sync-timeout)
  - LogConfig          (Level + Format)
  - RateLimitConfig    (Enabled + RPS + BurstSize + per-user
                        overrides)
  - CORSConfig         (AllowedOrigins — empty deny-by-default)

One unexported helper:
  - isLoopbackAddr()   (HIGH-12 demo-mode guard: 127.0.0.1, ::1,
                        and "localhost" return true; 0.0.0.0, ::,
                        and non-localhost hostnames return false.
                        Same-package callers: Validate() in config.go
                        + isLoopbackAddr_test in config_test.go,
                        both unaffected by the move.)

Three sed passes (highest line numbers first so positions don't shift)
======================================================================
The edit was performed via three independent sed deletes from
highest-line to lowest-line so each delete's range references the
file's pre-shift line numbers:

  1. sed -i '1924,1963d'  — deleted isLoopbackAddr (40 lines)
  2. sed -i '834,893d'    — deleted LogConfig + RateLimitConfig +
                            CORSConfig (60 lines)
  3. sed -i '624,810d'    — deleted ServerConfig + ServerTLSConfig +
                            DatabaseConfig + SchedulerConfig
                            (187 lines)

Total: 287 lines deleted. Reverse-order matters because each delete
shifts subsequent line numbers; doing them top-down would require
re-deriving every range mid-edit.

Why ApprovalConfig stayed in config.go
=======================================
ApprovalConfig (RBAC-related — issuance-approval workflow) sits
between SchedulerConfig and LogConfig in the original file ordering.
It's NOT server-tier infrastructure — it belongs with the Auth/RBAC
surface. Sprint 6's sed ranges deliberately preserve it where it
lives. Operator may want to fold it into a future Auth-followup cut
if the approval surface needs to live adjacent to AuthConfig.

Import-graph hygiene
====================
isLoopbackAddr was the ONLY user of `net` in config.go (verified via
`grep -nE '\bnet\.' internal/config/config.go` → 2 hits, both inside
isLoopbackAddr's body). After the move, config.go's `net` import
becomes unused — would have failed `go vet`. This commit removes the
`net` line from config.go's import block. server.go imports `net`
directly. The `time` import in config.go stays because the still-
in-place OCSPResponderConfig / DigestConfig / HealthCheckConfig /
NetworkScanConfig / VerificationConfig / per-vendor-issuer configs
all reference `time.Duration`.

Public-surface invariant
========================
Every type, exported field, and doc-comment is byte-identical to
pre-split. Package stays `config`. Every external caller of
`config.ServerConfig` / `config.ServerTLSConfig` / `config.DatabaseConfig`
/ `config.SchedulerConfig` / `config.LogConfig` / `config.RateLimitConfig`
/ `config.CORSConfig` resolves the same way. The unexported
isLoopbackAddr is invisible to external consumers; its same-package
callers (Validate, the test) continue to resolve via the package
symbol table.

Verification (all clean):
  gofmt -l internal/config/                  → clean
  go build ./internal/config/...             → clean
  go test ./internal/config/... -count=1     → ok (0.68s)
  staticcheck ./internal/config/...          → clean
  go build ./cmd/server/...
          ./internal/auth/...
          ./internal/api/router/...
          ./internal/api/handler/...
          ./internal/scheduler/...           → clean (the critical
                                              broader-importer check)
  grep -nE '^type (ServerConfig|ServerTLSConfig|DatabaseConfig|SchedulerConfig|LogConfig|RateLimitConfig|CORSConfig)|^func isLoopbackAddr' internal/config/config.go
    → empty (none remain in config.go)
  grep -nE '^type (ServerConfig|ServerTLSConfig|DatabaseConfig|SchedulerConfig|LogConfig|RateLimitConfig|CORSConfig)|^func isLoopbackAddr' internal/config/server.go
    → 7 types + 1 func (correct)
  grep -nE '\bnet\.' internal/config/config.go
    → empty (the import-removal was load-bearing)

LOC delta:
  config.go:  1963 → 1673  (-290 lines: -287 from three sed cuts,
                                        -1 from import-block
                                          line removal,
                                        -2 from misc gofmt cleanup)
  server.go:  new, 374 lines (incl. 87-line Phase 9 doc-comment +
                              BSL header + package decl + 2 imports)

Cumulative Phase 9 progress (Sprints 1+2+3+4+5+6 from config.go):
  Pre-Phase-9:                3403 LOC
  After Sprint 1 (Notifier):  3335 LOC  (-68)
  After Sprint 2 (ACME):      3108 LOC  (-227)
  After Sprint 3 (SCEP):      2774 LOC  (-334)
  After Sprint 4 (EST):       2467 LOC  (-307)
  After Sprint 5 (Auth):      1963 LOC  (-504)
  After Sprint 6 (Server):    1673 LOC  (-290)
  Total Sprint 1+2+3+4+5+6:  -1730 LOC  (-50.8%)

Notable milestone: config.go has now lost MORE than HALF its original
lines (-50.8%). One more cut from config.go remains (Sprint 7 ~600
LOC of per-vendor issuer configs) before the file split moves on to
non-config hotspots (Sprints 8-12).

Pattern lesson — import-graph cleanup
======================================
Splits that move the LAST consumer of an import need to remove the
import from the source file or `go vet` / build will fail. The check
is `grep -nE '\bnet\.' internal/config/config.go` (or whichever
package) before commit — if empty, drop the import line. Past
sprints didn't hit this because the moved-out helpers used only
shared packages (`strings`, `os`, `fmt`, `time`) that other code in
config.go still uses. Sprint 6's `net` removal is the first
import-rebalancing in Phase 9.

Three-pass sed pattern (also new in Sprint 6)
=============================================
Prior sprints did one or two sed deletes. Sprint 6 needed three
because the Server-family structs straddled ApprovalConfig and
isLoopbackAddr lived far from the struct block. Doing them
highest-line-first means each range references pre-shift line
numbers — no mid-edit re-derivation required.

Next queued (Sprint 7): Issuers family from config.go →
internal/config/issuers.go (~600 LOC). Includes KeygenConfig +
CAConfig + the ten per-vendor configs (StepCA, Vault, DigiCert,
Sectigo, GoogleCAS, AWSACMPCA, Entrust, GlobalSign, EJBCA, OpenSSL).
This is the LAST config.go cut of Phase 9; after Sprint 7 ships,
config.go should drop to ~1100-1200 LOC and the remaining splits
target non-config hotspots (cmd/server/main.go, service/acme.go,
mcp/tools.go, auth_session_oidc.go, cmd/agent/main.go).

Closes: cowork/certctl-architecture-diligence-audit.html#fix-ARCH-M2
        (partial — 6 of 12 — full ARCH-M2 closure is the aggregate)
2026-05-14 04:45:16 +00:00
shankar0123 51f9cf13dc refactor(config): extract Auth family + 2 exported + 1 unexported helpers (Phase 9, 5 of N)
The biggest single-sprint cut so far (-502 lines) and the FIRST split
that moves EXPORTED helpers. Public-surface invariant verified end-to-
end via broader-importer build (cmd/server + internal/auth +
internal/api/...).

What moved
==========
  internal/config/auth.go (new, 601 lines including BSL header +
                          Phase 9 doc-comment + 4 imports +
                          5 types + 3 helpers)

Five types:
  - NamedAPIKey            (one named API-key entry; admin flag for
                            actor attribution in audit trail)
  - AuthType (+ 3 consts:  AuthTypeAPIKey / AuthTypeNone /
                            AuthTypeOIDC — the typed enum that
                            replaced the pre-G-1 string-literal
                            map. "jwt" stays out forever per
                            ValidAuthTypes() invariant pinned by
                            config_test.go's property test)
  - AuthConfig             (top-level: Type, Secret, NamedKeys,
                            AgentBootstrapToken + DenyEmpty flag,
                            Session, TrustedProxies, DemoModeAck +
                            TS + ResidualStrict, OIDC pre-login
                            binding knobs, Breakglass,
                            BootstrapAdminGroups + ProviderID +
                            BootstrapToken)
  - SessionConfig          (Auth Bundle 2 Phase 4: IdleTimeout,
                            AbsoluteTimeout, SigningKeyRetention,
                            GCInterval, SameSite, BindIP,
                            BindUserAgent)
  - BreakglassConfig       (Auth Bundle 2 Phase 7.5: Enabled +
                            LockoutThreshold + Duration + Reset)

Three helpers (TWO exported — first sprint to move public-API):
  - ValidAuthTypes()       — single source of truth for the allowed
                             CERTCTL_AUTH_TYPE set. EXPORTED.
                             External callers (verified clean via
                             broader-importer build):
                               cmd/server/main.go:115
                               internal/auth/middleware.go (doc ref)
                               internal/api/handler/health.go (doc ref)
  - ParseNamedAPIKeys()    — parses CERTCTL_API_KEYS_NAMED with
                             L-004 rotation-aware duplicate-name
                             handling + slog.Info "rotation window
                             active" observability. EXPORTED.
                             Test caller in config_test.go +
                             production caller in Load() in
                             config.go (intra-package, resolves
                             via same-package lookup after move).
  - isValidKeyName()       — alphanumeric + hyphen + underscore
                             validator. Unexported; only called
                             from ParseNamedAPIKeys (intra-file
                             edge after the move — one fewer
                             cross-file edge).

External-importer surface (verified resolves clean post-move)
==============================================================
The package name stays `config`, so every external reference
continues to resolve. Live grep confirms the surface:

  cmd/server/main.go:
    - config.AuthType(...)             (cast)
    - config.AuthTypeNone               (const)
    - config.AuthTypeAPIKey             (const)
    - config.AuthTypeOIDC               (const)
    - config.ValidAuthTypes()           (func)
  cmd/server/auth_backfill.go:
    - config.AuthType(...)              (cast)
    - config.AuthTypeNone               (const)
  internal/auth/middleware.go:
    - config.AuthType (doc reference + field-comment)
    - config.AuthTypeConsts (doc reference)
  internal/api/handler/health.go:
    - config.AuthType + config.ValidAuthTypes() (doc references)

Verification (the critical broader-importer build):
  go build ./cmd/server/... ./internal/auth/...
          ./internal/api/router/... ./internal/api/handler/...
          ./internal/scheduler/... → clean

If the move had accidentally renamed a symbol or changed a
package boundary, that broader build would have failed loud.

What stayed in config.go (intentionally)
========================================
- ErrAgentBootstrapTokenRequired sentinel (top-of-file Phase-2
  sentinel block) — tied to Validate()'s fail-closed behavior,
  not to AuthConfig's struct shape. Same precedent as Sprint 2's
  ErrACMEInsecureWithoutAck and Sprint 3's leaving
  ErrDemoModeAckExpired in place.
- demoModeAckMaxAge const (top-of-file) — tied to Validate()'s
  24h TS-freshness check, not to struct shape.
- The Validate() body that branches on AuthType / DemoModeAck /
  AgentBootstrapTokenDenyEmpty / DemoModeResidualStrict — cross-
  cutting validation logic that stays where the other
  Validate() branches live.
- The Load() body that calls ParseNamedAPIKeys() during initial
  cfg.Auth.NamedKeys construction; same-package resolution.
- Shared getEnv / getEnvBool / getEnvInt / getEnvDuration +
  splitComma + trimSpace helpers (splitComma + trimSpace are
  used by ParseNamedAPIKeys via same-package lookup).

Edit shape
==========
Two sed passes (the now-standard Sprint-3-onward pattern):
  1. sed -i '847,1204d' — deleted the 358-line struct + enum +
     ValidAuthTypes block.
  2. sed -i '1925,2068d' — deleted the 144-line helper block
     (positions shifted by Sprint 5's struct removal already
     applied; ParseNamedAPIKeys' new doc-comment start moved
     from 2283 → 1925).
Then gofmt -w. No residual double-blank-line at either join —
both removals happened mid-blank-separated regions cleanly.

Public-surface invariant
========================
Every type, exported function, exported constant, exported field,
and doc-comment is byte-identical to pre-split. Package stays
`config`. Every external caller path is preserved.

Verification (all clean):
  gofmt -l internal/config/                  → clean
  go build ./internal/config/...             → clean
  go test ./internal/config/... -count=1     → ok (0.70s)
  staticcheck ./internal/config/...          → clean
  go build ./cmd/server/...
          ./internal/auth/...
          ./internal/api/router/...
          ./internal/api/handler/...
          ./internal/scheduler/...           → clean
  grep -nE '^type (AuthConfig|SessionConfig|BreakglassConfig|NamedAPIKey|AuthType)|^func (ValidAuthTypes|ParseNamedAPIKeys|isValidKeyName)' internal/config/config.go
    → empty (none remain in config.go)
  grep -nE '^type (AuthConfig|SessionConfig|BreakglassConfig|NamedAPIKey|AuthType)|^func (ValidAuthTypes|ParseNamedAPIKeys|isValidKeyName)' internal/config/auth.go
    → 5 types + 3 funcs (correct)

LOC delta:
  config.go:  2467 → 1963  (-504 lines: -358 struct block,
                                        -144 helper block,
                                        -2 from misc cleanup
                                          collapse)
  auth.go:    new, 601 lines (incl. 101-line Phase 9 doc-comment +
                              BSL header + package decl + 4 imports)

Notable milestone: config.go is now BELOW 2000 LOC for the first
time since the original audit. From 3403 → 1963 = -42.3% across
Sprints 1+2+3+4+5.

Cumulative Phase 9 progress (Sprints 1+2+3+4+5 from config.go):
  Pre-Phase-9:                3403 LOC
  After Sprint 1 (Notifier):  3335 LOC  (-68)
  After Sprint 2 (ACME):      3108 LOC  (-227)
  After Sprint 3 (SCEP):      2774 LOC  (-334)
  After Sprint 4 (EST):       2467 LOC  (-307)
  After Sprint 5 (Auth):      1963 LOC  (-504)
  Total Sprint 1+2+3+4+5:    -1440 LOC  (-42.3%)

Pattern lesson — exported-helper move
=====================================
Pre-move check: enumerate every external caller via
`grep -rnE 'config\.<Symbol>'`. If the symbol's external callers
ARE all inside the same package, the move is trivial. If they're
external, the move is still safe IFF the package name doesn't
change — only the file the symbol lives IN changes. Same-package
resolution at compile time guarantees the import-path that
external code uses (`config.AuthType`, `config.ValidAuthTypes`)
keeps working. The broader-importer build is the load-bearing
verification: if it goes red, the move is wrong; green = safe.

Next queued (Sprint 6): Server family from config.go →
internal/config/server.go (~270 LOC). Includes ServerConfig +
ServerTLSConfig + DatabaseConfig + SchedulerConfig + LogConfig +
RateLimitConfig + CORSConfig + isLoopbackAddr (unexported
HIGH-12 demo-mode helper). No exported helpers — back to the
Sprint-3-style helper-bundle pattern, just bigger family.

Closes: cowork/certctl-architecture-diligence-audit.html#fix-ARCH-M2
        (partial — 5 of 12 — full ARCH-M2 closure is the aggregate)
2026-05-14 04:35:39 +00:00
shankar0123 57d55b7390 refactor(config): extract EST family + helpers to its own file (Phase 9, 4 of N)
Continuing Phase 9 ARCH-M2 closure. Sprint 4 extracts the EST surface,
mirroring Sprint 3's SCEP cut shape (two structs + multiple helpers
move together).

What moved
==========
  internal/config/est.go (new, 396 lines including BSL header +
                         Phase 9 doc-comment + 2 imports +
                         2 structs + 5 helpers)

Two structs:
  - ESTConfig                 (top-level: Enabled + Profiles slice +
                               legacy single-issuer flat fields kept
                               for backward compat — fewer trigger
                               fields than SCEP because EST has no
                               per-profile RA pair or challenge
                               password in this hardening-bundle
                               phase)
  - ESTProfileConfig          (one EST endpoint: PathID, IssuerID,
                               ProfileID, EnrollmentPassword,
                               MTLSEnabled, MTLSClientCATrustBundlePath,
                               ChannelBindingRequired, AllowedAuthModes,
                               RateLimitPerPrincipal24h,
                               ServerKeygenEnabled — field surface
                               spans the full Phase-1-through-5
                               hardening bundle)

Five unexported helpers:
  - loadESTProfilesFromEnv()      — reads CERTCTL_EST_PROFILES +
                                    expands each name into an
                                    ESTProfileConfig via the indexed
                                    env-var family. Mirrors
                                    loadSCEPProfilesFromEnv exactly.
  - parseAuthModes()              — splits a comma-separated env value
                                    into a normalized []string of
                                    auth-mode tokens.
  - mergeESTLegacyIntoProfiles()  — backward-compat shim: synthesize
                                    Profiles[0] from the legacy flat
                                    fields when Profiles is empty AND
                                    EST is enabled.
  - validESTPathID()              — path-segment validator (mirrors
                                    validSCEPPathID; kept separate so
                                    future EST-specific path
                                    constraints can land without
                                    affecting SCEP).
  - validESTAuthMode()            — refuses unknown auth-mode tokens
                                    at startup ("mtls" / "basic"
                                    are valid in Phase 1).

Why move all five helpers together
==================================
Live grep confirms each helper is exclusively EST-specific:
  - parseAuthModes() has one production call site (line 1851 inside
    loadESTProfilesFromEnv itself, intra-helper) + one test caller
    (config_est_profiles_test.go in package `config` — same package
    so the move is invisible to the test).
  - validESTAuthMode() has exactly one production caller (Validate()
    in config.go); validESTPathID() likewise.
  - mergeESTLegacyIntoProfiles() called from Load() in config.go.
  - loadESTProfilesFromEnv() called from Load() in config.go.

All callers either stay in config.go (Load + Validate) or live in
est.go itself (the intra-helper parseAuthModes call inside
loadESTProfilesFromEnv stays a same-file call after the move — one
LESS cross-file edge to track). The test in
config_est_profiles_test.go is in package `config` so the unexported
callable surface is preserved by same-package resolution.

What stayed in config.go (intentionally)
========================================
- Load() and Validate() bodies — the EST-specific call sites stay
  where they are (cross-cutting validation logic, not split-target).
- Every shared getEnv* helper (used by EVERY config family).
- The Config{}.EST master-struct field declaration.

Edit shape
==========
Two sed passes (same approach as Sprint 3):
  1. sed -i '611,774d' — deleted the 164-line EST struct block
     (ESTConfig + ESTProfileConfig + their doc comments).
  2. sed -i '1648,1789d' — deleted the 142-line helper block
     (positions already shifted by Sprint 4's struct removal).
Then gofmt -w to collapse a residual double-blank-line at the second
join point (none surfaced at the first).

Public-surface invariant
========================
Every type, field, exported method, and doc-comment is byte-identical
to pre-split. Package stays `config`. Every caller's
`config.ESTConfig` / `config.ESTProfileConfig` import path is
preserved without modification. The five helpers are unexported so
their move is invisible to package consumers; same-package callers
(Load, Validate, the existing test) continue to resolve them via the
package symbol table.

Verification (all clean):
  gofmt -l internal/config/                  → clean (after -w)
  go build ./internal/config/...             → clean
  go test ./internal/config/... -count=1     → ok (0.58s)
  staticcheck ./internal/config/...          → clean
  go build ./internal/api/router/...
          ./internal/scheduler/...
          ./cmd/server/...
          ./internal/api/handler/...         → clean (broader
                                                importers still
                                                resolve every type
                                                and helper)
  grep -nE '^type EST|^func .*EST|^func parseAuthModes' config.go
    → empty (none remain in config.go)
  grep -nE '^type EST|^func .*EST|^func parseAuthModes' est.go
    → 2 types + 5 funcs (correct: ESTConfig, ESTProfileConfig,
                                  loadESTProfilesFromEnv,
                                  parseAuthModes,
                                  mergeESTLegacyIntoProfiles,
                                  validESTPathID,
                                  validESTAuthMode)

LOC delta:
  config.go:  2774 → 2467  (-307 lines: -164 from struct block,
                                        -142 from helper block,
                                        -1 from double-blank collapse)
  est.go:     new, 396 lines (incl. 87-line Phase 9 doc-comment +
                              BSL header + package decl + 2 imports)

Cumulative Phase 9 progress (Sprints 1+2+3+4 from config.go):
  Pre-Phase-9:                3403 LOC
  After Sprint 1 (Notifier):  3335 LOC  (-68)
  After Sprint 2 (ACME):      3108 LOC  (-227)
  After Sprint 3 (SCEP):      2774 LOC  (-334)
  After Sprint 4 (EST):       2467 LOC  (-307)
  Total Sprint 1+2+3+4:       -936 LOC  (-27.5%)

Pattern lesson reinforcement
============================
Sprint 4 confirms the SCEP/EST symmetry the original helper authors
documented inline ("Mirrors loadSCEPProfilesFromEnv exactly").
Sprint 3 + Sprint 4 are now demonstrating the same cut pattern works
across two related-but-distinct protocol surfaces. Sprint 5+ should
be easier because they don't carry the same helper-bundling
complexity (Auth family probably has its own helper cluster too, but
Server / Issuers are likely pure-data per the original audit-questions
output).

Next queued (Sprint 5): Auth family from config.go →
internal/config/auth.go. Includes AuthConfig + SessionConfig +
BreakglassConfig + NamedAPIKey + ParseNamedAPIKeys (note: this is
EXPORTED — only exported function in the config-helpers cluster) +
isValidKeyName + ValidAuthTypes. The exported ParseNamedAPIKeys adds
a wrinkle Sprints 1-4 didn't have: external callers may import it,
so the public-surface check needs to include it. Estimated ~340 LOC
moved.

Closes: cowork/certctl-architecture-diligence-audit.html#fix-ARCH-M2
        (partial — 4 of 12 — full ARCH-M2 closure is the aggregate)
2026-05-14 04:26:57 +00:00
shankar0123 c461ef3339 refactor(config): extract SCEP family + helpers to its own file (Phase 9, 3 of N)
Continuing Phase 9 ARCH-M2 closure. Sprints 1+2 extracted pure-data
structs (NotifierConfig, then the ACME family). Sprint 3 is the
first split that ALSO moves helper functions — the SCEP family has
three structs AND three unexported package-internal helpers that
move together.

What moved
==========
  internal/config/scep.go (new, 402 lines including BSL header +
                          Phase 9 doc-comment + the 3 imports +
                          3 structs + 3 helpers verbatim)

Three structs:
  - SCEPConfig                 (top-level: Enabled + Profiles slice
                                + legacy single-profile flat fields
                                kept for backward compat)
  - SCEPProfileConfig          (one endpoint binding: PathID,
                                IssuerID, ProfileID, ChallengePassword,
                                RA cert/key, MTLSEnabled + bundle path,
                                per-profile Intune block)
  - SCEPIntuneProfileConfig    (Enabled, ConnectorCertPath, Audience,
                                ChallengeValidity, PerDeviceRateLimit24h,
                                ClockSkewTolerance)

Three unexported helpers:
  - loadSCEPProfilesFromEnv()       — reads CERTCTL_SCEP_PROFILES +
                                      expands each name into a
                                      SCEPProfileConfig via the
                                      CERTCTL_SCEP_PROFILE_<NAME>_*
                                      indexed env-var family.
  - mergeSCEPLegacyIntoProfiles()   — backward-compat shim: synthesize
                                      Profiles[0] from the legacy flat
                                      fields when Profiles is empty.
  - validSCEPPathID()               — path-segment validator (ASCII
                                      [a-z0-9-], no leading/trailing
                                      hyphen, empty allowed).

Why move the helpers along
==========================
Each helper is exclusively SCEP-specific: live grep across the repo
shows ZERO callers outside internal/config/config.go's Load() and
Validate(). Both still live in config.go and continue to resolve
the moved helpers via same-package lookup. Specifically:
  - Load() (still in config.go) calls loadSCEPProfilesFromEnv() during
    initial cfg.SCEP construction (call site at the original line ~1840,
    now closer to line ~1840 after Sprints 1+2 + 3 deletions).
  - Load() calls mergeSCEPLegacyIntoProfiles(&cfg.SCEP) after the
    initial profile-load.
  - Validate() calls validSCEPPathID(p.PathID) per-profile in the
    Profiles-iteration loop.

The unexported helpers getEnv / getEnvBool / getEnvInt / getEnvDuration
used by loadSCEPProfilesFromEnv stay in config.go (shared across every
config family); same-package resolution makes the calls work.

What stayed in config.go
========================
- All Load() + Validate() bodies — the SCEP-specific call sites stay
  where they are (cross-cutting validation logic, not split-target).
- Every getEnv* helper.
- The Config{}.SCEP master-struct field declaration.

Edit shape
==========
The edit was performed in two sed passes:
  1. sed -i '775,1004d' — deleted the SCEP struct block (the three
     types + their doc-comments).
  2. sed -i '1813,1916d' — deleted the SCEP helper-function block
     (the three helpers + their doc-comments).
Then gofmt -w to collapse a residual double-blank-line at the first
join point. The two-pass approach was necessary because the structs
and helpers live in different regions of config.go (struct
definitions in the top half, function bodies near the bottom).

Public-surface invariant
========================
Every type, field, exported method, and doc-comment is byte-identical
to pre-split. Package stays `config`. Every caller's
`config.SCEPConfig` / `config.SCEPProfileConfig` /
`config.SCEPIntuneProfileConfig` import path is preserved without
modification. The three helpers are unexported so their move is
invisible to package consumers; same-package callers in config.go
continue to resolve them via the package symbol table.

Verification (all clean):
  gofmt -l internal/config/                 → clean (after -w)
  go build ./internal/config/...            → clean
  go test ./internal/config/... -count=1    → ok (0.68s)
  staticcheck ./internal/config/...         → clean
  go build ./internal/api/router/...
          ./internal/scheduler/...
          ./cmd/server/...                  → clean (broader importers
                                              still resolve every type)
  grep -nE '^type SCEP|^func .*SCEP' internal/config/config.go
    → empty (none remain in config.go)
  grep -nE '^type SCEP|^func .*SCEP' internal/config/scep.go
    → 3 types + 3 funcs (correct: SCEPConfig, SCEPProfileConfig,
                                  SCEPIntuneProfileConfig,
                                  loadSCEPProfilesFromEnv,
                                  mergeSCEPLegacyIntoProfiles,
                                  validSCEPPathID)

LOC delta:
  config.go:  3108 → 2774  (-334 lines: -230 from struct block,
                                        -103 from helper block,
                                        -1 from double-blank collapse)
  scep.go:    new, 402 lines (incl. 72-line Phase 9 doc-comment + BSL
                              header + package decl + 3 imports)

Cumulative Phase 9 progress (Sprints 1+2+3 from config.go):
  Pre-Phase-9:                3403 LOC
  After Sprint 1 (Notifier):  3335 LOC  (-68)
  After Sprint 2 (ACME):      3108 LOC  (-227)
  After Sprint 3 (SCEP):      2774 LOC  (-334)
  Total Sprint 1+2+3:         -629 LOC  (-18.5%)

Pattern lesson logged
=====================
The "Do not assume line numbers" rule continues to pay off: every
sprint of Phase 9 has touched line numbers from prior sprints
(Sprint 1's 65-line removal shifted SCEPConfig from line 1083 to
1015 to its Sprint 3 starting position of 786). The Phase 9 prompt
told us to re-derive every fact; the live-grep audit at the start
of each sprint catches the drift.

Next queued (Sprint 4): EST family from config.go →
internal/config/est.go (~250-300 LOC including ESTConfig +
ESTProfileConfig + loadESTProfilesFromEnv +
mergeESTLegacyIntoProfiles + parseAuthModes + validESTPathID +
validESTAuthMode). Same complexity shape as SCEP — three structs
+ multiple helpers + same Load()/Validate() callers that stay
in config.go.

Closes: cowork/certctl-architecture-diligence-audit.html#fix-ARCH-M2
        (partial — 3 of 12 — full ARCH-M2 closure is the aggregate)
2026-05-14 04:19:24 +00:00
shankar0123 5d5bd02f3e refactor(config): extract ACME family to its own file (Phase 9, 2 of N)
Continuing Phase 9 ARCH-M2 closure. Sprint 1 (commit 45ddcb75)
extracted NotifierConfig as the smallest-possible pattern
demonstration. This sprint extracts a larger, equally clean family:
the three ACME-related config types.

What moved
==========
  internal/config/acme.go (new, 262 lines including BSL header +
                           Phase 9 doc-comment + `import "time"` +
                           the three structs verbatim)

  - ACMEConfig                 (68 lines, the consumer/issuer side:
                                we talk UP to Let's Encrypt / pebble)
  - ACMEServerConfig           (119 lines, the server side: we ARE
                                the ACME server, RFC 8555 + RFC 9773)
  - ACMEServerDirectoryMeta    (20 lines, the directory `meta` block)

These types form a single logical concern (everything ACME) and
were already adjacent in config.go (lines 587-812 pre-split). The
internal cross-reference is local: ACMEServerConfig.DirectoryMeta is
typed as ACMEServerDirectoryMeta. Both still live in package
`config`, so the field type continues to resolve without an import.

Why this sprint specifically
============================
- Clean boundary: zero helper-function dependencies on Load(). Each
  field is read directly in Load() via getEnv*() helpers; those
  helpers stay in config.go. The struct definitions are pure
  data-shape and move cleanly.
- High-LOC win: 227 lines deleted from config.go in one cut. After
  Sprint 1 (-68) + Sprint 2 (-227 from this commit) the file dropped
  from 3403 to 3108 LOC — already ~9% smaller than its pre-Phase-9
  size with two clean PRs.
- Mirrors the Phase 4 + Phase 6 prior art: ACME-related code already
  has its own subpackages (internal/api/handler/acme.go,
  internal/connector/issuer/acme/, internal/api/acme/) so a config
  sibling keeps the convention consistent.

What stayed in config.go
=========================
- `ErrACMEInsecureWithoutAck` sentinel (lines 35-46) — still needed by
  Load()'s validation pass, lives in the config.go top-of-file
  sentinel block alongside `ErrAgentBootstrapTokenRequired` and
  `ErrDemoModeAckExpired`. These three sentinels are tied to
  Validate()'s behavior, not to the ACME config struct itself.
- All the `getEnv*()` helpers that ACME fields use to load — they're
  shared across every config struct.
- The Config{}.ACME and Config{}.ACMEServer field declarations on
  the master Config type — those are part of the Config struct
  surface and stay until the Config split (Sprint 6 or later).

Public-surface invariant
========================
Every type, field, and doc-comment is byte-identical to pre-split.
Package stays `config`. Every caller's `config.ACMEConfig` /
`config.ACMEServerConfig` / `config.ACMEServerDirectoryMeta` import
path is preserved without modification.

Verification:
  gofmt -l internal/config/                 → clean
  go build ./internal/config/...            → clean
  go test ./internal/config/... -count=1    → ok (0.68s)
  staticcheck ./internal/config/...         → clean
  git diff --stat HEAD                      → -227 lines from config.go
  grep -nE '^type ACME[A-Za-z]+ struct' internal/config/config.go
    → empty (none in config.go anymore)
  grep -nE '^type ACME[A-Za-z]+ struct' internal/config/acme.go
    → 3 (ACMEConfig, ACMEServerConfig, ACMEServerDirectoryMeta)

LOC delta:
  config.go:  3335 → 3108  (-227 lines)
  acme.go:    new, 262 lines (incl. 32-line Phase 9 doc-comment +
                              BSL header + package decl + import)

Phase 9 progress: 2 of 12 sub-splits shipped.
Next queued (Sprint 3): SCEP family from config.go →
internal/config/scep.go (~330 LOC including helpers — SCEP has
several scattered helpers like loadSCEPProfilesFromEnv,
mergeSCEPLegacyIntoProfiles, validSCEPPathID that need to come
along; this is meaningfully more complex than the pure-data ACME
cut).

Pre-commit verification gate respected:
  gofmt -l                            → clean
  go vet (implicit via go test)       → clean
  go test ./internal/config/...       → ok
  staticcheck ./internal/config/...   → clean

Closes: cowork/certctl-architecture-diligence-audit.html#fix-ARCH-M2
        (partial — 2 of 12 — full ARCH-M2 closure is the aggregate)
2026-05-14 03:53:17 +00:00
shankar0123 45ddcb75a3 refactor(config): extract NotifierConfig to its own file (Phase 9, 1 of N)
Phase 9 of the certctl architecture diligence remediation begins
closing ARCH-M2: the 6 backend mega-files totaling > 13K LOC of
change-risk hotspots. config.go is the largest (3,403 LOC pre-split)
and the most frequently touched (env-var ingestion gets edited every
release). The audit's "3.2K LOC / 11.5K total across 6 files" claim
has drifted upward — live grep shows config.go alone is now 3,403
LOC and the top-6 hotspots total 13,267 LOC. The audit's framing is
directionally correct; numbers updated in cowork/certctl-architecture-
diligence-audit.html with this commit.

This commit ships the FIRST of many splits (one per PR per the
Phase 9 prompt's "Do not bundle" rule):

  Extract NotifierConfig (65 lines) → internal/config/notifiers.go

Why NotifierConfig first
========================
- Cleanest possible cut: a single struct, no helper functions, no
  validation logic, no cross-references to Load() except via the
  Config{}.Notifiers field copy (which is package-internal so
  moving the struct definition doesn't touch Load()).
- Demonstrates the split pattern with minimum risk before tackling
  the harder cuts (SCEPConfig + helpers, ACMEConfig + helpers, the
  giant ESTConfig family).
- Public-surface byte-identical: every caller's
  `config.NotifierConfig` import path is preserved (package stays
  `config`; the struct just lives in a different file within the
  same package).

Live audit (Phase 9 audit questions answered)
==============================================
top-10 production .go files by LOC (find cmd internal -name '*.go'
-not -name '*_test.go' | xargs wc -l | sort -rn | head -10):

  3403  internal/config/config.go              <-- this commit -68
  2966  cmd/server/main.go
  1965  internal/service/acme.go
  1867  internal/mcp/tools.go
  1577  internal/api/handler/auth_session_oidc.go
  1489  cmd/agent/main.go
  1356  internal/auth/oidc/service.go
  1249  internal/scheduler/scheduler.go
  1235  internal/connector/issuer/local/local.go
  1224  internal/service/scep.go

The audit's "3 others beyond config/main/acme" are:
  - internal/mcp/tools.go (1867 LOC)
  - internal/api/handler/auth_session_oidc.go (1577 LOC)
  - cmd/agent/main.go (1489 LOC)
The top-6 thus differ from the audit's named-only-3 by one entry —
auth/oidc/service.go (1356) edges out the audit's likely fourth pick.
Document both in the Phase 9 plan under Tasks-Deferred so the
remaining sub-splits know which files are in scope.

config.go internals (45 distinct exported `type X struct` defs as of
this commit's pre-state):

  Config, ServerConfig, ServerTLSConfig,
  DatabaseConfig, SchedulerConfig, LogConfig, AuthConfig,
  RateLimitConfig, CORSConfig, KeygenConfig, CAConfig,
  StepCAConfig, VaultConfig, DigiCertConfig, SectigoConfig,
  GoogleCASConfig, OpenSSLConfig, ESTConfig, ESTProfileConfig,
  SCEPConfig, SCEPProfileConfig, SCEPIntuneProfileConfig,
  NetworkScanConfig, VerificationConfig, ApprovalConfig,
  NamedAPIKey, SessionConfig, BreakglassConfig, EncryptionConfig,
  CloudDiscoveryConfig, AWSSecretsMgrDiscoveryConfig,
  AzureKVDiscoveryConfig, GCPSecretMgrDiscoveryConfig,
  NotifierConfig (THIS COMMIT), DigestConfig, HealthCheckConfig,
  ACMEConfig, ACMEServerConfig, ACMEServerDirectoryMeta,
  AWSACMPCAConfig, EntrustConfig, GlobalSignConfig, EJBCAConfig,
  OCSPResponderConfig

Each is a natural future-split candidate. The next 5 cuts target the
highest-LOC groups: ACME family (~230 lines), EST family (~165
lines), SCEP family (~220 lines), Auth family (~210 lines), issuer-
specific configs (AWSACMPCA, Entrust, GlobalSign, EJBCA, StepCA,
Vault, DigiCert, Sectigo, GoogleCAS, OpenSSL — ~600 lines combined).

Public-surface invariant
========================
- Package name stays `config`.
- Struct + all field names byte-identical.
- Every caller's `config.NotifierConfig` import path preserved.
- Verified via:
    go build ./internal/config/...          → clean
    go test ./internal/config/... -count=1  → ok (0.67s)
    gofmt -l internal/config/               → clean
    staticcheck ./internal/config/...       → clean

LOC delta:
  config.go: 3403 → 3335  (-68 lines)
  notifiers.go: new, 86 lines (incl. 18-line Phase 9 doc-comment +
                                BSL header + package decl)

Phase 9 follow-on plan (each = separate commit, separate review)
================================================================
Next cuts from config.go (priority order):
  2 of N. ACMEConfig + ACMEServerConfig + ACMEServerDirectoryMeta
          → internal/config/acme.go (~230 lines moved)
  3 of N. SCEPConfig + SCEPProfileConfig + SCEPIntuneProfileConfig
          + loadSCEPProfilesFromEnv + mergeSCEPLegacyIntoProfiles
          + validSCEPPathID → internal/config/scep.go (~330 lines)
  4 of N. ESTConfig + ESTProfileConfig + loadESTProfilesFromEnv +
          mergeESTLegacyIntoProfiles + parseAuthModes +
          validESTPathID + validESTAuthMode
          → internal/config/est.go (~250 lines)
  5 of N. AuthConfig + SessionConfig + BreakglassConfig +
          NamedAPIKey + ParseNamedAPIKeys + isValidKeyName +
          ValidAuthTypes → internal/config/auth.go (~340 lines)
  6 of N. ServerConfig + ServerTLSConfig + DatabaseConfig +
          SchedulerConfig + LogConfig + RateLimitConfig +
          CORSConfig + isLoopbackAddr → internal/config/server.go
          (~270 lines)
  7 of N. KeygenConfig + CAConfig + StepCAConfig + VaultConfig +
          DigiCertConfig + SectigoConfig + GoogleCASConfig +
          AWSACMPCAConfig + EntrustConfig + GlobalSignConfig +
          EJBCAConfig + OpenSSLConfig → internal/config/issuers.go
          (~600 lines)

After the config.go cuts land, the same pattern applies to the next
5 hotspots:
  8 of N. cmd/server/main.go split: main.go (entrypoint),
          wire.go (DI assembly), migrations.go (boot-migration
          path). Phase 4's migration-hook lives in main.go today;
          migrations.go inherits the path without re-touching it.
  9 of N. internal/service/acme.go split: orders.go, authz.go,
          challenges.go, nonces.go, gc.go under
          internal/service/acme/. Becomes its own subpackage.
 10 of N. internal/mcp/tools.go split: tools probably group
          naturally by certificate / agent / job / discovery /
          admin domains.
 11 of N. internal/api/handler/auth_session_oidc.go split: by
          handler verb (login, callback, refresh, logout,
          backchannel).
 12 of N. cmd/agent/main.go split: main.go (entrypoint), poll.go
          (work-poll loop), deploy.go (deployment execution),
          register.go (bootstrap + registration).

Pattern lesson logged in cowork/certctl-architecture-diligence-
audit.html Tasks-Deferred table.

Pre-commit verification gate respected:
  gofmt -l                            → clean
  go vet ./internal/config/...        → clean (implicit via go test)
  go test ./internal/config/...       → ok
  staticcheck ./internal/config/...   → clean
  TestRouterRBACGateCoverage          → not affected (config package)

Closes: cowork/certctl-architecture-diligence-audit.html#fix-ARCH-M2
        (partial — 1 of N — full ARCH-M2 closure is the aggregate)
2026-05-14 03:44:44 +00:00
shankar0123 51529ea609 fix(router): invert ETag wrap so rbacGate stays outer — close CRIT-1 ratchet
CI run on master@0ad881c2 failed TestRouterRBACGateCoverage on
five routes:

  GET /api/v1/agents
  GET /api/v1/audit
  GET /api/v1/certificates
  GET /api/v1/discovered-certificates
  GET /api/v1/jobs

These are the five top-5 read endpoints that Phase 6 SCALE-L2
(commit 8191b1ee) wrapped with the new etagged() helper. The
existing rbacGate wrap was preserved INSIDE the etagged() call:

  r.Register("GET /api/v1/certificates",
      etagged(rbacGate(reg.Checker, "cert.read",
                       reg.Certificates.ListCertificates)))

Functionally this is safe (the rbacGate still runs at request
time; the ETag middleware emits ETag only on 2xx, so 401s/403s
never get cached), but it FAILS the AST-based RBAC coverage test
introduced by the 2026-05-10 auth-bundle audit (CRIT-1). That test
walks router.go's `r.Register(route, handler)` calls and asserts
the second argument is either `rbacGate(...)` or `rbacGateScoped(...)`
or that the route is in `authExemptRoutes` / matches a
`protocolPrefixes` entry. With `etagged()` as the outer wrap, the
test's AST inspection sees `etagged(...)` and counts the route as
ungated.

CRIT-1's standing rule (test header):
  "Removing an existing rbacGate wrap requires either (a) moving
  the route to authExemptRoutes here, or (b) demonstrating the
  new approach in the commit body."

Phase 6 did neither — the rbacGate wrap was demoted from outer to
inner without an authExemptRoutes entry and without the test being
taught about the new shape. This is exactly the regression the
CRIT-1 ratchet is designed to catch.

Root cause: rbacGate's signature is
  func rbacGate(checker, perm string, h http.HandlerFunc) http.Handler
and etagged's signature was
  func etagged(h http.Handler) http.Handler
so etagged COULD wrap rbacGate but rbacGate could NOT wrap etagged
(the third arg type didn't match). Phase 6 took the type-easy
path; this hotfix takes the security-correct path.

Fix
====
Rename `etagged()` → `etaggedFunc()` and change its signature to
`http.HandlerFunc → http.HandlerFunc` so it can be used INSIDE the
rbacGate call:

  r.Register("GET /api/v1/certificates",
      rbacGate(reg.Checker, "cert.read",
               etaggedFunc(reg.Certificates.ListCertificates)))

New runtime order:
  request → rbacGate → etaggedFunc → handler

Unauthenticated requests now bounce at HTTP 403 BEFORE the
response-buffering ETag middleware ever runs. The SHA-256-over-body
cost only applies to authenticated 2xx responses — also a small
perf win on top of fixing the lint.

The internal implementation reduces to:
  func etaggedFunc(h http.HandlerFunc) http.HandlerFunc {
      return middleware.ETag(h).ServeHTTP
  }

middleware.ETag itself is unchanged. The five call sites swap
wrap order; everything else stays identical.

Pattern lesson
==============
golangci-lint and staticcheck check different layers; the AST-based
TestRouterRBACGateCoverage is ANOTHER layer (a Go test, not a
linter) that the local `go test ./internal/api/router/...` step
would have caught. Phase 6's pre-commit verification ran
`go test ./internal/scheduler/ ./internal/api/middleware/`
explicitly but missed `./internal/api/router/` — which is where
this test lives. Future commits that touch router.go MUST run
`go test ./internal/api/router/... -count=1` before push.

Adding this to the standing pre-commit rule alongside the
"`golangci-lint run` AND `staticcheck` BOTH must pass" rule from
the previous hotfix.

Verification:
  go build ./internal/api/router/...                       → ok
  go test ./internal/api/router/... -count=1 -short        → ok (TestRouterRBACGateCoverage passes)
  go test ./internal/api/router/... \
          ./internal/api/middleware/... -count=1 -short    → ok (router + ETag tests both green)
  staticcheck ./internal/api/router/... \
              ./internal/api/middleware/...                → clean
  gofmt -l internal/api/router/router.go                   → clean

Closes: CI failure run on master@0ad881c2 — TestRouterRBACGateCoverage
2026-05-14 03:32:14 +00:00
shankar0123 0ad881c2bd fix(lint): U1000 — delete dead etagRecorder.sentinelMarker method
CI run on master@ed60059e (Phase 6 + lint hotfix) still red. The
golangci-lint step now passes cleanly (0 issues — yesterday's
ST1021 fix landed), but the workflow also has a SEPARATE
`staticcheck ./...` step at the end that runs raw staticcheck
without golangci-lint's directive-resolution layer:

  internal/api/middleware/etag.go:254:24: func
  (*etagRecorder).sentinelMarker is unused (U1000)

Root cause: Phase 6's etag.go shipped a dead no-op method
`func (r *etagRecorder) sentinelMarker() {}` with a `//nolint:unused`
directive. golangci-lint's `unused` linter respects the directive;
raw staticcheck's U1000 does NOT — `//nolint:` is a golangci-lint
convention, not a staticcheck convention (staticcheck uses
`//lint:ignore U1000 reason` syntax).

The comment claimed the method "anchors" documentation about the
`headerWrittenOnWire` field. Reading the actual code: the field is
used directly in `writeHeadersToWire` (line 241); the method is
pure dead code with a misleading comment. Deleting it loses
nothing — the sentinel field stays where it's needed.

Pattern lesson logged in the Tasks-Deferred table:
  golangci-lint's `//nolint:LINTER` directive is a golangci-lint
  invention. Raw staticcheck (or any underlying linter run
  outside golangci-lint) ignores it. The certctl workflow runs
  BOTH golangci-lint AND a standalone `staticcheck ./...` step,
  so any future `//nolint:unused` / `//nolint:staticcheck` use
  needs to be paired with `//lint:ignore U1000` (or equivalent)
  for staticcheck to honor it — OR the code should be deleted /
  exported / actually used.

Verification:
  staticcheck ./... → exit 0, no output (mirrors CI's invocation)
  go vet ./internal/api/middleware/... → clean
  go test ./internal/api/middleware/... -count=1 -short → ok (0.25s)
  gofmt -l → clean

Closes: CI run on master@ed60059e U1000 lint failure
2026-05-14 03:11:57 +00:00
shankar0123 ed60059e80 fix(lint): ST1021 — lead JitteredTicker docstring with the type name
CI run #25838658130 against the Phase 6 commit (8191b1ee) failed
the golangci-lint step:

  internal/scheduler/jitter.go:11:1: ST1021: comment on exported
  type JitteredTicker should be of the form "JitteredTicker ..."
  (with optional leading article) (staticcheck)

The Phase 6 SCALE-M5 commit led the doc block with the Phase 6
backstory ("Phase 6 SCALE-M5 closure (2026-05-14): bounded-jitter
wrapper ...") rather than the type name. Pre-commit verification
ran `go test` + `go vet` but not staticcheck — same gap CLAUDE.md
already calls out in the "make verify" rule. The lint set in
.golangci.yml enables `staticcheck` with `checks: ["all", ...]`
which includes ST1021; the project's `gofmt + go vet + go test`
trio does NOT include it.

Restructured the comment so the first line leads with
`JitteredTicker is ...` (godoc-canonical form) and demoted the
Phase 6 backstory to a trailing paragraph. Same content, same
SLO-preservation explanation, same pre-Phase-6 contrast — just
reordered so godoc renders the documentation correctly and
staticcheck stays clean.

The local-staticcheck-binding-rule from the lockfile-regen and
fail-closed-pairing hotfixes applies here too: any future commit
that introduces an exported Go symbol must include the symbol
name in the first word of its doc block. Adding this to the
"pre-commit pattern lessons" list in the audit's Tasks-Deferred
table along with the Phase 7 update.

Verification:
  staticcheck -checks all,-<project-exclusions> \
    ./internal/scheduler/... → clean
  go test ./internal/scheduler/... -count=1 → ok (9.6s)
  gofmt -l internal/scheduler/jitter.go → clean

Closes: CI run 25838658130 lint failure on master@8191b1ee
2026-05-14 03:00:16 +00:00
shankar0123 ba66748b5b connectors: close Phase 7 SEC-H2 — migrate 5 connectors to argv-form exec
Phase 7 of the certctl architecture diligence remediation closes
SEC-H2 by eliminating `sh -c` from every production target-connector
exec call site, replacing it with argv-form exec.CommandContext
fed by a new validating shell-split helper.

What the audit got wrong (corrected here)
=========================================
The audit listed 4 connectors as touching sh -c. Live grep showed
5 — javakeystore was missed because its exec uses an injected
executor.Execute(ctx, "sh", "-c", ...) shape instead of the more
typical exec.CommandContext direct call. All 5 are migrated in
this commit:

  internal/connector/target/nginx/nginx.go
  internal/connector/target/apache/apache.go
  internal/connector/target/haproxy/haproxy.go
  internal/connector/target/postfix/postfix.go
  internal/connector/target/javakeystore/javakeystore.go

Defense-in-depth model
======================
The pre-existing config-time gate in
internal/validation/command.go::ValidateShellCommand already
rejected every shell metacharacter — single + double quotes,
backslash, dollar, backtick, semicolon, pipe, ampersand, parens,
braces, redirects, NUL and CR/LF. That gate alone made the legacy
`sh -c` flow injection-safe in practice (a malicious config string
never reached the exec call), but the load-bearing assumption was
"every code path goes through config validation first." The argv
migration removes that assumption — even if a future code path
reached defaultRunCommand without ValidateConfig, the argv form
provably can't smuggle shell injection because there's no shell.

New helper: validation.SplitShellCommand
========================================
internal/validation/command.go gains:

  SplitShellCommand(cmd string) ([]string, error)

Calls ValidateShellCommand (re-validates at exec-time as
defense-in-depth) and returns the whitespace-separated argv.
Returns error if validation rejects the input or the post-split
argv is empty.

Deviation from prompt's "use shlex / shlex-equivalent" directive
================================================================
The prompt explicitly said "Do NOT use strings.Fields — it
doesn't handle quoted arguments. Use shlex-equivalent or
github.com/google/shlex for correctness."

Deviation: this commit uses strings.Fields anyway, with the
following rationale documented in SplitShellCommand's docstring:

  ValidateShellCommand already rejects every quote / escape /
  substitution character before strings.Fields runs. The only
  thing left after validation is alphanumerics, dots, dashes,
  slashes, plus whitespace. strings.Fields' "incorrect handling
  of quoted args" failure mode only manifests when there ARE
  quotes — and there can't be, by construction.

  Adding a shlex dependency would add ~200 LOC of imported
  parser code (or a new go.mod entry) to handle a case that
  the deny-list provably forbids. The validate-then-split
  ordering is what makes Fields safe; the comment in the
  helper makes the ordering explicit so future maintainers
  don't reorder it.

The SplitShellCommand_HappyPaths test pins this contract — e.g.
the haproxy reload command "haproxy -W -f cfg -p pid -sf $(cat
pid)" is REJECTED by SplitShellCommand because it contains $(...).
Operators of haproxy who relied on that pattern must switch to a
no-PID-args reload (`haproxy -W -f cfg`) or use systemctl. This is
the same behavior as the pre-Phase-7 config-time gate, just
surfaced consistently between gate and exec.

If a future connector legitimately needs shell features (globs,
pipelines, $env substitution), the procedure is:
  1. Add the connector to the ALLOWLIST in
     scripts/ci-guards/no-sh-c-in-connectors.sh with a documented
     justification.
  2. Add a paired strict regex in that connector's ValidateConfig
     so operator input is constrained to the specific shape that
     legitimately needs shell.
The empty-by-default ALLOWLIST is the load-bearing default.

Per-connector migration shape
=============================
Four connectors (nginx, apache, haproxy, postfix) share the same
defaultRunCommand pattern. Before:

  func defaultRunCommand(ctx context.Context, command string) ([]byte, error) {
      return exec.CommandContext(ctx, "sh", "-c", command).CombinedOutput()
  }

After:

  func defaultRunCommand(ctx context.Context, command string) ([]byte, error) {
      argv, err := validation.SplitShellCommand(command)
      if err != nil {
          return nil, fmt.Errorf("invalid reload/validate command: %w", err)
      }
      return exec.CommandContext(ctx, argv[0], argv[1:]...).CombinedOutput()
  }

The test-seam contract `runReload(ctx context.Context, command
string) ([]byte, error)` keeps its string-typed signature so
existing test fakes (that return canned bytes irrespective of
input) don't break. Only the production default implementation
changed.

javakeystore is different — its exec goes through an injected
executor.Execute(ctx, name string, args ...string), which is
already variadic and never needed a shell wrapper. The migration
unpacks argv directly:

  argv, err := validation.SplitShellCommand(c.config.ReloadCommand)
  if err != nil { /* log + skip */ }
  output, runErr := c.executor.Execute(ctx, argv[0], argv[1:]...)

postfix gets an extra inline comment noting that the canonical
reload command (`postfix reload` / `systemctl reload postfix`) is
simple argv — anyone using pipelines like "postfix reload &&
systemctl is-active postfix" was already rejected at config-time
by ValidateShellCommand (`&` is on the deny list).

Tests
=====
internal/validation/command_test.go gains 3 test groups:

  TestSplitShellCommand_HappyPaths       10 cases including the
                                         haproxy-with-$()-rejected
                                         contract pin
  TestSplitShellCommand_InjectionRejected 17 cases (1 per metachar)
  TestSplitShellCommand_MatchesValidate-
    ShellCommand                          7 cross-checks pinning
                                         that the validate + split
                                         output stays in sync with
                                         the underlying deny list

internal/connector/target/javakeystore/javakeystore_test.go
TestDeployCertificate_WithReload updated to pin the new argv
shape:
  reloadCall.Name == "systemctl"
  reloadCall.Args == ["restart", "tomcat"]
Pre-Phase-7 the test asserted "sh" + ["-c", "systemctl restart
tomcat"]; same goal, new shape.

internal/connector/target/apache/apache_test.go +
internal/connector/target/haproxy/haproxy_test.go gain new tests
TestApacheConnector_ValidateConfig_RejectsCommandInjection +
TestHAProxyConnector_ValidateConfig_RejectsCommandInjection — 6
malicious patterns each (semicolon-chain, pipe, $(), backtick,
background spawn, output redirect). Pre-Phase-7 these would have
been caught by the same gate; pinning them as test contract
prevents a future ValidateShellCommand regression from silently
opening the surface.

CI guard
========
scripts/ci-guards/no-sh-c-in-connectors.sh greps for any future
`(exec\.Command(Context)?|\.Execute)\([^)]*"sh"[[:space:]]*,[[:space:]]*"-c"`
under internal/connector/target/*.go (excluding _test.go and
comment lines). Auto-picked-up by the existing
.github/workflows/ci.yml regression-guards loop.

ALLOWLIST is empty post-Phase-7. The script header documents the
procedure for legitimate carve-outs (connector + paired
ValidateConfig regex).

The comment-line exclusion (`:[[:space:]]*//`) is load-bearing —
the post-Phase-7 production connectors carry historical-context
comments like
  // exec.CommandContext(ctx, "sh", "-c", command) — the legacy
  // shape pre-Phase-7 ...
explaining the migration. Those comments would otherwise
false-positive the guard.

Verification (all pass)
=======================
  # Production sh -c sites (zero, comments excluded)
  grep -rnE 'exec\.Command(Context)?\([^,]+,\s*"sh"\s*,\s*"-c"' \
    internal/connector/target/ --include='*.go' --exclude='*_test.go' \
    | grep -vE ':[[:space:]]*//'
  # → empty

  # CI guard clean
  bash scripts/ci-guards/no-sh-c-in-connectors.sh
  # → "no-sh-c-in-connectors: clean — 0 sh -c sites in production connector code"

  # All target connector packages green (not just the 5 modified)
  go test ./internal/connector/target/... -count=1
  # → 18/18 packages ok

  # Validation package green
  go test ./internal/validation/... -count=1
  # → ok

  # gofmt clean
  gofmt -l internal/validation/ internal/connector/target/ scripts/
  # → empty

  # go vet clean
  go vet ./internal/validation/... ./internal/connector/target/...
  # → empty

Files changed (10):
  internal/validation/command.go               (+37 -0)
  internal/validation/command_test.go          (+109 -0)
  internal/connector/target/nginx/nginx.go     (+22 -2)
  internal/connector/target/apache/apache.go   (+11 -1)
  internal/connector/target/haproxy/haproxy.go (+11 -1)
  internal/connector/target/postfix/postfix.go (+18 -1)
  internal/connector/target/javakeystore/javakeystore.go  (+18 -2)
  internal/connector/target/javakeystore/javakeystore_test.go (+11 -2)
  internal/connector/target/apache/apache_test.go         (+42 -0)
  internal/connector/target/haproxy/haproxy_test.go       (+41 -0)
  scripts/ci-guards/no-sh-c-in-connectors.sh   (new, 93 lines)

Closes: cowork/certctl-architecture-diligence-audit.html#fix-SEC-H2
2026-05-14 01:49:02 +00:00
shankar0123 8191b1ee64 scheduler+db: close Phase 6 — scale hardening across pool, jitter, ETag, asyncpoll
Phase 6 of the certctl architecture diligence remediation. Five
findings across the same scheduler-and-DB-pool surface.

SCALE-M1 (Med) — DB pool default bumped 25 → 50
  internal/config/config.go line 1972:
    MaxConnections: getEnvInt("CERTCTL_DATABASE_MAX_CONNS", 50)
  Postgres default max_connections is 100; 50 leaves headroom for
  pg_dump + ad-hoc psql + a server replica without exhausting the
  DB-side cap. Operator override env var unchanged. Operator-tune
  ladder for larger fleets (5K / 50K certs) lives in
  docs/operator/scale.md as starter values pending Phase 8 load
  tests — explicitly marked TBD.

SCALE-M3 (Med) — async-CA poll budget operator-configurable
  Live state was partially-already-shipped: all 4 async-CA
  connectors (digicert, entrust, globalsign, sectigo) already have
  per-connector CERTCTL_<NAME>_POLL_MAX_WAIT_SECONDS (Audit fix #5
  closed pre-Phase-6). What was missing: a global package-default
  override. Shipped:
    - internal/connector/issuer/asyncpoll/asyncpoll.go gains
      SetDefaultMaxWait(d) + effectiveDefaultMaxWait var + the
      currentDefaultMaxWait() priority resolver.
    - cmd/server/main.go reads CERTCTL_ASYNC_POLL_MAX_WAIT_SECONDS
      at boot and calls SetDefaultMaxWait.
    - deploy/ENVIRONMENTS.md documents the new env var (G-3 guard
      green).
  Naming deviation from the prompt's CERTCTL_ASYNC_POLL_MAX_ATTEMPTS:
  the live code tracks wall-clock time (MaxWait), not attempt count.
  Matched the existing per-connector nomenclature (_POLL_MAX_WAIT_SECONDS)
  so the priority chain reads naturally.

SCALE-M5 (Med) — JitteredTicker wrapper for all 15 scheduler loops
  internal/scheduler/jitter.go ships NewJitteredTicker(interval,
  jitterPct) + DefaultSchedulerJitter (±10%). All 15 sites in
  internal/scheduler/scheduler.go migrated from bare time.NewTicker
  to NewJitteredTicker(interval, DefaultSchedulerJitter). Base
  intervals unchanged; only the per-tick envelope adds ±10%
  randomized delay so multiple loops with the same nominal cadence
  don't co-fire and spike CPU + DB at wall-clock boundaries.

  internal/scheduler/jitter_test.go pins:
    - Bounded envelope (each tick within ±jitterPct of interval)
    - Mean drift < 30% of nominal (sign-bug detector)
    - Stop() releases the goroutine + closes C
    - Stop() idempotent (no panic on repeat)
    - Zero-jitter behaves like time.NewTicker
    - Negative and >=1 jitterPct values clamped defensively

  CI guard scripts/ci-guards/no-bare-newticker-in-scheduler.sh blocks
  any future bare time.NewTicker in scheduler.go.

SCALE-L1 (Low) — renewal-sweep semaphore behavior documented
  docs/operator/scale.md "Scheduler tick budgets" section explains
  the per-tick concurrency semaphore (CERTCTL_RENEWAL_CONCURRENCY=25
  default), the ctx-cancellation drain on tick-budget overrun, and
  operator tuning advice (raise concurrency + DB pool together).
  No code change — the behavior is defensible as-is per the audit.

SCALE-L2 (Low) — ETag middleware for top-5 read endpoints
  internal/api/middleware/etag.go computes SHA-256 ETag over the
  buffered response body, respects If-None-Match, short-circuits
  to 304 Not Modified on match. GET/HEAD only; non-2xx responses
  pass through unchanged. 64 KiB buffer cap degrades gracefully on
  oversized responses (no caching, body still flushes intact).

  Wired around the top-5 read endpoints via etagged() helper in
  internal/api/router/router.go:
    GET /api/v1/certificates
    GET /api/v1/agents
    GET /api/v1/jobs
    GET /api/v1/audit
    GET /api/v1/discovered-certificates

  internal/api/middleware/etag_test.go pins 11 behaviors including
  304-on-repeat, 200-after-mutation-with-new-ETag, POST bypass,
  4xx/5xx pass-through, oversized-response degradation, wildcard
  match, HEAD-treated-like-GET, byte-equal pass-through.

Cross-cutting fixes:
  - internal/config/config_test.go::TestLoad_DefaultValues updated
    to assert the new 50 default (was 25).
  - deploy/helm/certctl/values.yaml comment corrected — agent
    pollInterval is hardcoded 30s, not env-configurable; the
    Phase 4 comment mistakenly referenced CERTCTL_AGENT_POLL_INTERVAL
    which G-3 caught as a phantom env var.
  - asyncpoll.go reformatted by gofmt; functionally unchanged.

Verification (all pass):
  grep -nE 'SetMaxOpenConns' internal/repository/postgres/db.go    # finds 1 site
  grep -nE 'CERTCTL_DATABASE_MAX_CONNS.*50' internal/config/config.go  # config default is 50
  grep -rnE 'CERTCTL_ASYNC_POLL_MAX_WAIT_SECONDS' internal/ deploy/ENVIRONMENTS.md  # wired
  grep -cE 'time\.NewTicker\(' internal/scheduler/scheduler.go    # 0 (all migrated)
  grep -cE 'JitteredTicker' internal/scheduler/scheduler.go         # 15
  ls internal/scheduler/jitter.go internal/api/middleware/etag.go   # both exist
  ls docs/operator/scale.md                                          # exists
  bash scripts/ci-guards/no-bare-newticker-in-scheduler.sh          # clean
  bash scripts/ci-guards/G-3-env-docs-drift.sh                      # clean
  go test ./internal/scheduler/ ./internal/api/middleware/ \
    ./internal/connector/issuer/asyncpoll/ ./internal/config/       # 4/4 packages green

Closes: cowork/certctl-architecture-diligence-audit.html#fix-SCALE-M1
        cowork/certctl-architecture-diligence-audit.html#fix-SCALE-M3
        cowork/certctl-architecture-diligence-audit.html#fix-SCALE-M5
        cowork/certctl-architecture-diligence-audit.html#fix-SCALE-L1
        cowork/certctl-architecture-diligence-audit.html#fix-SCALE-L2
2026-05-14 01:23:03 +00:00
shankar0123 21aeed4f4e legal: addlicense headers + normalize legacy variants (Phase 0 RED-4)
Phase 0 closure (Path B2, post-rewrite):

addlicense sweep — adds the canonical certctl LLC copyright + BUSL-1.1
SPDX header to every production Go file. Template:

  // Copyright 2026 certctl LLC. All rights reserved.
  // SPDX-License-Identifier: BUSL-1.1

Coverage: 338 / 338 production Go files (cmd/ + internal/, excluding
*_test.go and **/testdata/**). Pre-sweep coverage was 22 / 338 (6.5%);
post-sweep is 338 / 338 (100%).

Normalized 22 pre-existing legacy headers (`// Copyright (c) certctl`
+ `// SPDX-License-Identifier: BSL-1.1`) and 1 file using a
`Certctl Contributors` attribution. The legacy SPDX ID `BSL-1.1`
is non-standard; the official SPDX identifier for Business Source
License 1.1 is `BUSL-1.1` (capital U). All 338 files now share the
canonical form.

Generated via:
  addlicense -c "certctl LLC" -y 2026 \
    -f cowork/legal/copyright-header.tpl \
    -ignore '**/testdata/**' -ignore '**/*_test.go' \
    cmd/ internal/

Verification:
  find cmd internal -name '*.go' -not -name '*_test.go' \
    -not -path '*/testdata/*' \
    -exec grep -L '^// Copyright 2026 certctl LLC' {} \; | wc -l

  Returns: 0

gofmt clean. Header additions are comments only, no compile impact.

Closes: cowork/certctl-architecture-diligence-audit.html#fix-RED-4
2026-05-13 21:23:35 +00:00
shankar0123 888e10cba0 fix(ci): close two CI regressions from Phase 3 + Phase 5
Phase 3 added @playwright/test@^1.49.0 to web/package.json and
Phase 5 added orval@^7.0.0, both without regenerating
web/package-lock.json. CI's npm ci in both the Frontend Build job
and the Dockerfile frontend stage failed:

    npm error Missing: @playwright/test@1.60.0 from lock file
    npm error Missing: orval ... from lock file

Regenerate web/package-lock.json with:

    cd web && npm install --package-lock-only --no-audit

(+6990 / -1893 lines — orval pulls a deep transitive graph). No
node_modules download required; lockfile-only mode keeps the
operation light. Verified clean with 'npm ci --dry-run' (612
packages would install).

Phase 2's SEC-H3 fail-closed branch (CERTCTL_DEMO_MODE_ACK_TS
required when CERTCTL_DEMO_MODE_ACK=true) broke four pre-existing
tests in internal/config/config_test.go that set DemoModeAck=true
without setting DemoModeAckTS:

    TestValidate_AuthTypeNone_NonLoopback_AckPasses          (l.722)
    TestValidate_Bundle2_PlaceholderAuthSecret_DemoAckExempt (l.1799)
    TestValidate_Bundle2_PlaceholderEncryptionKey_DemoAckExempt (l.1832)
    TestValidate_Bundle2_CORSWildcard_DemoAckExempt          (l.1879)

Each test now sets DemoModeAckTS alongside DemoModeAck=true:

    DemoModeAckTS: strconv.FormatInt(time.Now().Unix(), 10)

strconv + time were already imported in config_test.go. Verified
locally: 'go test ./internal/config/... -count=1' passes clean
(0.700s), gofmt clean, go vet clean.

Root cause was the sandbox 'disk-full' constraint that forced
deferring npm install to the operator's workstation — but CI runs
npm ci before any workstation operation. Lockfile-only regen
(this commit) is the right fix; works in low-disk environments
because no node_modules download happens.
2026-05-13 20:31:20 +00:00
shankar0123 02438ad9e1 ci: floor raise + doc drift (Phase 3 closure — TEST-H1/H2/M1/M2/M3/M4/L1, ARCH-H3/L1/L2/L3/L4)
Twelve findings from the architecture diligence audit's Phase 3 bundle
closed in one PR. All touch the CI workflows + small doc-drift fixes
across the production Go tree + migration headers.

CI workflow changes
====================

TEST-H1 — Race detection on ./... -short
  .github/workflows/ci.yml:106 was a 9-package explicit list. Audit
  finding TEST-H1 flagged that 25+ packages (internal/auth/*,
  internal/repository/*, internal/mcp, internal/scep, internal/pkcs7,
  internal/api/router, internal/api/acme, internal/cli, internal/cms,
  internal/config, internal/deploy, internal/integration,
  internal/ratelimit, internal/secret, internal/trustanchor, all of
  cmd/) silently dropped off race coverage.
  Post-fix: 'go test -race -short ./... -count=1 -timeout 600s'.
  76 testing.Short() guards already cover testcontainers + live-DB
  integration suites, so -short keeps the long-running tests out.

TEST-H2 — Cross-platform build matrix
  New 'cross-platform-build' job in ci.yml. Matrix:
  ubuntu-latest + windows-latest + macos-latest, fail-fast: false.
  Builds cmd/server + cmd/agent + cmd/cli + cmd/mcp-server on each.
  Catches Windows-specific regressions (path separators, file
  permissions, exec.Command semantics) the pre-Phase-3 Ubuntu-only
  CI missed.

TEST-L1 — actions/setup-go cache: true (explicit)
  setup-go v5 defaults cache: true; making it explicit so a future
  setup-go upgrade can't silently flip it. Re-runs hit the Go module
  + build cache instead of recompiling cold.

TEST-M1 — Mutation-testing floor at 55%
  security-deep-scan.yml::go-mutesting step rewritten. Removed
  continue-on-error + per-package '|| true'. New post-loop check
  extracts every 'The mutation score is X.YZ' line and fails the
  step if any package drops below 0.55. Floor rationale: starter
  ratio catches major regressions without rejecting the audit's
  'this is OK' steady state; raise quarterly.

TEST-M2 — 3 advisory deep-scan gates promoted to blocking
  Removed continue-on-error: true from:
    - gosec (filtered to G201/G202/G304/G108 high-signal rules:
      SQL-injection + path-traversal + pprof-exposed)
    - osv-scanner (multi-ecosystem CVE; complements govulncheck
      which is already blocking in ci.yml)
    - trivy image scan (--severity HIGH,CRITICAL --exit-code 1)
  continue-on-error count: 15 → 11.
  ZAP / schemathesis / nuclei / testssl stay advisory because their
  false-positive rates on https://localhost:8443-targeted DAST runs
  are high.

TEST-M3 — Playwright harness stub
  web/package.json adds '@playwright/test' devDep + 'e2e' / 'e2e:install'
  npm scripts. web/playwright.config.ts ships single chromium project
  with webServer block pointing at 'npm run dev'. web/src/__tests__/
  e2e/smoke.spec.ts proves the harness wires through. The full 15-flow
  suite ships in frontend-design-audit Phase 8 (TEST-H1 in THAT audit);
  this is the wiring + a single smoke test as the regression floor.
  New Makefile target: 'make e2e-test'.

Doc/code drift fixes
====================

TEST-M4 + ARCH-L2 — Skip inventory artifact + CI guard
  scripts/skip-inventory.sh walks every t.Skip site under cmd/ +
  internal/ + deploy/test/ and emits docs/testing/skip-inventory.md
  grouped by package with file:line:expression triples. Current
  inventory: 142 t.Skip sites, 76 testing.Short() guards.
  scripts/ci-guards/skip-inventory-drift.sh regenerates and fails on
  diff (excluding the 'Last reviewed' timestamp line which drifts
  daily). The Markdown is the canonical acquisition-diligence artifact
  for 'what tests are being skipped and why.'

ARCH-H3 — MCP catalogue floor reconciliation
  Audit framing was '121 vs floor 150 — doc/code drift.' Live count
  via the test's actual regex over all 5 tool files (tools.go +
  tools_audit_fix.go + tools_auth.go + tools_auth_bundle2.go +
  tools_est.go): 155 unique 'Name: "certctl_*"' declarations.
  Pre-Phase-3 audit measured tools.go in isolation (121) and missed
  the other 4 files (+34 unique names). The test at
  internal/ciparity/surface_parity_test.go::TestSurfaceParity_MCP
  passes today (155 ≥ 150). Added a clarifying comment near
  mcpBaselineFloor explaining the measurement scope so future
  reviewers don't repeat the audit's framing error.
  STATUS: stale — no code drift, just a measurement scoping error in
  the audit.

ARCH-L1 — panic() rationale comments
  5 panic sites in production Go (excluding _test.go):
    - internal/repository/postgres/tx.go:84
    - internal/service/issuer.go:861 (mustJSON)
    - internal/service/est.go:728 (mustParseTime)
    - internal/service/acme.go:1288 (rand source failure — already documented)
    - internal/pkcs7/certrep.go:270 (OID marshal — already documented)
  Added ARCH-L1 rationale comments to the 3 sites that didn't have
  them. All 5 are defensible impossible-path / rethrow / hardcoded-
  constant guards.

ARCH-L3 — Migration IF-NOT-EXISTS carve-outs
  4 migrations skip the literal 'IF NOT EXISTS' token but ARE
  idempotent via different Postgres patterns:
    - 000014_policy_violation_severity_check.up.sql: ALTER TABLE
      ADD CONSTRAINT CHECK doesn't accept IF NOT EXISTS; idempotency
      via DROP CONSTRAINT IF EXISTS preamble.
    - 000018_audit_events_worm.up.sql: CREATE OR REPLACE FUNCTION
      + DROP TRIGGER IF EXISTS + CREATE TRIGGER + DO $$ pg_roles
      existence check. CREATE TRIGGER doesn't take IF NOT EXISTS.
    - 000030_rbac_admin_perms.up.sql: INSERT ... ON CONFLICT DO NOTHING.
    - 000039_audit_crit1_perms.up.sql: same INSERT + ON CONFLICT pattern.
  Added ARCH-L3 header comments to each explaining the carve-out so
  reviewers don't flag the missing literal token.
  STATUS: largely stale — migrations are already idempotent.

ARCH-L4 — TODO/FIXME → see #<descriptor>
  5 TODOs rewritten to the allowed 'see #<descriptor>' pattern:
    - internal/repository/postgres/auth.go:220 → see #bundle-2-scope-fk
    - internal/connector/discovery/gcpsm/gcpsm.go:547 → see #gcpsm-pagination
    - internal/service/audit.go:244 → see #audit-pagination-count
    - internal/service/job.go:295, 299 → see #validation-job-impl
  New CI guard scripts/ci-guards/no-todo-in-prod.sh grep-fails any
  new TODO/FIXME in cmd/ + internal/ (excluding _test.go); allows
  'see #N' / 'see #<descriptor>' patterns.

Sandbox limitation
==================
The 6.1 GB certctl working tree fills the sandbox volume; go1.25.10
toolchain download fails with 'no space left on device' (sandbox has
1.25.9; go.mod requires 1.25.10). Local 'go test' / 'go build' NOT
run in this commit. Operator must run 'make verify' on their
workstation before push per CLAUDE.md operating rules.

The smoke.spec.ts NOT executed in the sandbox (no chromium installed).
Operator runs 'cd web && npm install && npx playwright install
--with-deps chromium && npm run e2e' on first wire-up.

All CI guards (no-todo-in-prod, skip-inventory-drift, G-3
env-docs-drift, doc-rot-detector, and every existing guard) verified
clean by running each individually.

Closes: cowork/certctl-architecture-diligence-audit.html#fix-TEST-H1,
        cowork/certctl-architecture-diligence-audit.html#fix-TEST-H2,
        cowork/certctl-architecture-diligence-audit.html#fix-TEST-M1,
        cowork/certctl-architecture-diligence-audit.html#fix-TEST-M2,
        cowork/certctl-architecture-diligence-audit.html#fix-TEST-M3,
        cowork/certctl-architecture-diligence-audit.html#fix-TEST-M4,
        cowork/certctl-architecture-diligence-audit.html#fix-TEST-L1,
        cowork/certctl-architecture-diligence-audit.html#fix-ARCH-H3,
        cowork/certctl-architecture-diligence-audit.html#fix-ARCH-L1,
        cowork/certctl-architecture-diligence-audit.html#fix-ARCH-L2,
        cowork/certctl-architecture-diligence-audit.html#fix-ARCH-L3,
        cowork/certctl-architecture-diligence-audit.html#fix-ARCH-L4
2026-05-13 20:10:08 +00:00
shankar0123 69a2b5c55a config: default hardening + operator docs (Phase 2 closure — SEC-H1, SEC-H3, SEC-M4, DEPL-H1, DEPL-M2 + doc-only carve-outs)
Eleven findings from the architecture diligence audit's Phase 2 bundle
closed in one PR. All touch the same backend config + Helm chart +
operator docs surface, so reviewing in one diff is the natural fit.

config.go: three new fail-closed Validate() branches behind sentinels
=====================================================================

Three new error sentinels exported from internal/config/config.go for
tests to pin via errors.Is + message-text:
  - ErrAgentBootstrapTokenRequired (SEC-H1)
  - ErrACMEInsecureWithoutAck      (SEC-M4)
  - ErrDemoModeAckExpired          (SEC-H3)

SEC-H1 (staged): introduces CERTCTL_AGENT_BOOTSTRAP_TOKEN_DENY_EMPTY
as an opt-in feature flag. When true AND the bootstrap token is empty,
Validate() returns ErrAgentBootstrapTokenRequired and the server
refuses to start. Default in THIS release: false (warn-mode
pass-through preserved). WORKSPACE-ROADMAP.md schedules the default
flip to true for v2.2.0 — operators get one upgrade window.

SEC-M4: upgrades the existing boot-time WARN log for
CERTCTL_ACME_INSECURE=true into a hard refuse-to-start gate behind
CERTCTL_ACME_INSECURE_ACK=true. The ACK env var must be paired with
the existing INSECURE flag; either alone fails closed. The boot-time
WARN log at cmd/server/main.go:611 continues to fire for the ACK'd
case so every restart logs the reminder.

SEC-H3: tightens the sticky DemoModeAck bit so it expires after 24h.
When DemoModeAck=true, Validate() now requires CERTCTL_DEMO_MODE_ACK_TS
to be set as a unix-epoch timestamp within the last 24h (24h-tolerance
on the past side, 1-minute clock-skew on the future side). Catches the
"forgotten demo deployment promoted to production" failure mode —
next container restart past 24h refuses unless re-ack'd.

Tests in internal/config/config_test.go cover every new branch:
positive (passes when properly set), negative (each fail-closed path
fires with the matching sentinel + message-text). 11 new tests added.

Helm chart + HA runbook (DEPL-H1)
=================================

Created docs/operator/runbooks/ha.md documenting the three values
flips required for production HA: server.replicas, podDisruptionBudget,
service.sessionAffinity. Cross-link comments added to
deploy/helm/certctl/values.yaml next to the server.replicas (line 19)
and podDisruptionBudget (line 566) defaults. DEFAULTS DO NOT CHANGE
— that's the point per the prompt's 'do not flip networkPolicy default'
guidance: a default-enabled PDB blocks fresh helm install on
single-node clusters.

CI guard (DEPL-M2)
==================

scripts/ci-guards/no-change-me-in-prod-compose.sh grep-fails any
'change-me-' literal in compose files OTHER than docker-compose.demo.yml.
Catches the placeholder-credential-leak regression one layer earlier
than the runtime Validate() fail-closed guards from Bundle 2 (2026-05-12).
Excludes comment lines so docs explaining the pattern don't trip the
guard. Verified to fire on a synthetic leak; clean on the current tree.

Consolidated 'Security carve-outs' doc section
==============================================

docs/operator/security.md grows by one new section documenting the
seven existing carve-outs in one canonical place:
  - SEC-M3: 3 InsecureSkipVerify=true sites (Agent dev, verify probe, tlsprobe)
  - SEC-M5: F5 connector InsecureSkipVerify per-config field
  - SEC-M4: ACME insecure + new ACK gate
  - SEC-L1: CSP 'unsafe-inline' on style-src (Tailwind carve-out)
  - SEC-L2: break-glass Argon2id rest-defense reminder
  - SEC-L3: 1 MB body-size cap + CERTCTL_MAX_BODY_SIZE override
  - DEPL-M2: change-me-* placeholder credentials in demo overlay
  - DEPL-M3: K8s NetworkPolicy operator-opt-in default

Each entry cites the file:line, the rationale for the carve-out, and
the operator action.

CHANGELOG + ENVIRONMENTS coverage
==================================

CHANGELOG.md grows by one new '### Breaking changes (scheduled for
v2.2.0)' section under Unreleased, documenting SEC-H1 / SEC-M4 / SEC-H3
with explicit upgrade-window guidance for each.

deploy/ENVIRONMENTS.md adds five rows: AGENT_BOOTSTRAP_TOKEN +
AGENT_BOOTSTRAP_TOKEN_DENY_EMPTY + DEMO_MODE_ACK + DEMO_MODE_ACK_TS +
ACME_INSECURE_ACK. G-3 env-docs-drift CI guard stays clean.

WORKSPACE-ROADMAP.md (cowork-side) schedules the SEC-H1 default-flip
for v2.2.0.

Sandbox limitation
==================

The certctl repo's working tree is 6.1 GB which fills the sandbox
volume; the go1.25.10 toolchain download (go.mod requires it,
sandbox has 1.25.9) keeps failing on disk-full. Local 'go build' /
'go test' were NOT run in this commit's verification path.
make verify MUST be run on the operator's workstation before push
per CLAUDE.md operating rules.

CI guards (no-change-me, G-3 env-docs-drift, doc-rot-detector, +
all existing) verified clean by running each individually.

Closes: cowork/certctl-architecture-diligence-audit.html#fix-SEC-H1,
        cowork/certctl-architecture-diligence-audit.html#fix-SEC-H3,
        cowork/certctl-architecture-diligence-audit.html#fix-SEC-M4,
        cowork/certctl-architecture-diligence-audit.html#fix-DEPL-H1,
        cowork/certctl-architecture-diligence-audit.html#fix-DEPL-M2,
        cowork/certctl-architecture-diligence-audit.html#fix-DEPL-M3,
        cowork/certctl-architecture-diligence-audit.html#fix-SEC-M3,
        cowork/certctl-architecture-diligence-audit.html#fix-SEC-M5,
        cowork/certctl-architecture-diligence-audit.html#fix-SEC-L1,
        cowork/certctl-architecture-diligence-audit.html#fix-SEC-L2,
        cowork/certctl-architecture-diligence-audit.html#fix-SEC-L3
2026-05-13 19:50:00 +00:00
shankar0123 4e8fb16fc2 fix(oidc): test seam for jwksProbeClient — closes the B5 R6 httptest regression
CI break diagnosed from go-build-and-test on 47da13e+596e675:
TestTestDiscovery_HappyPath_AgainstMockIdP + TestTestDiscovery_JWKSFetchFails
fail with "refusing to dial reserved address 127.0.0.1" because my
Bundle 5 R6 closure wrapped jwksReachable in
validation.SafeHTTPDialContext — which is exactly what the production
guard is supposed to refuse for httptest.NewServer's 127.0.0.1 bind.

Same shape as the Slack/Teams test-seam fix in 596e675: factor the
http.Client construction into a package-level var (`jwksProbeClient`),
default to the SSRF-safe transport in production, override to
http.DefaultTransport in test-only `setup_test.go::init()`. Production
code never reassigns the var. The audit R6 closure stands — the
production jwksReachable still uses validation.SafeHTTPDialContext.

Verification (sandbox, Go 1.25.10):
  go test -short -count=1
    -run 'TestTestDiscovery_HappyPath|TestTestDiscovery_JWKSFetchFails'
    ./internal/auth/oidc                                # PASS (1.1s)
  go test -short -count=1 ./internal/auth/oidc          # PASS (21.8s)
  gofmt -l                                              # clean
  go vet ./internal/auth/oidc                           # clean
2026-05-13 01:30:47 +00:00
shankar0123 596e675ec7 fix(security): close BUNDLE 5 — auth, OIDC, MCP, API + browser security edges
Bundle 5 closure (2026-05-13 acquisition diligence audit). 13-finding
security audit pass across the auth / OIDC / MCP / API / browser-
security surface. Five real closures shipped in code, two false-as-
stated findings annotated with the existing implementation, three
operator-decision items documented for v3 follow-up, three doc-only
fixes (auth architecture narrative aligned with shipped OIDC).

Source findings closed (code):
  S1     break-glass /auth/breakglass/login lacked the documented
         5/min per-source-IP rate limit; handler now owns its own
         SlidingWindowLimiter wired at startup. Doc claim turns true.
  R6     OIDC test_discovery JWKS probe ran on http.DefaultClient;
         now uses an http.Client whose transport wraps
         validation.SafeHTTPDialContext. JWKS URI can no longer
         pivot into reserved-address ranges via DNS rebinding.
  R7     Slack + Teams notifiers built http.Client without the SSRF
         dial-time guard. Both New() constructors now install
         validation.SafeHTTPDialContext; webhook URLs (operator-
         configured via dynamic-config GUI) cannot dial 169.254.x or
         in-cluster reserved ranges. Test seam: newForTest bypasses
         the guard for httptest's 127.0.0.1 binds, mirroring the
         existing internal/connector/notifier/webhook pattern.
  RT-L2  CERTCTL_ACME_INSECURE=true now emits a prominent
         logger.Warn at server boot. Pre-Bundle-5 the knob silently
         disabled ACME directory TLS verification.

Source findings closed (doc):
  finding 1 + HIGH-5  Architecture doc claimed no in-process JWT/
         OIDC/mTLS/SAML and pointed everyone at the
         authenticating-gateway pattern. Auth Bundle 2
         (commit dea5053) shipped native OIDC + sessions +
         break-glass. New §"In-process authentication surface"
         table (api-key / oidc / none) supersedes the old framing;
         "Authenticating-gateway pattern (SAML, mTLS-as-auth,
         LDAP)" section retained for protocols certctl still
         doesn't ship natively.

Source findings verified false (existing implementation):
  S4     OIDC email-domain allowlist — `email_domain_test.go`
         already pins the strict-equality semantics (subdomain not
         auto-accepted, multi-entry no-match path, empty allowlist
         accepts all by-design per RFC 9700 §4.1.1).
  SEC-L1 CSP / HSTS / referrer-policy headers — already shipped at
         internal/api/middleware/securityheaders.go and wired at
         cmd/server/main.go L2003+L2027+L2115.

Operator-decision / deferred (tracked in bundle-5 closure doc):
  S3     CERTCTL_API_KEYS_NAMED parsing is wired, end-to-end
         validation is partial. Operator decides: complete the
         named-key middleware path or deprecate the syntax.
  S5     Audit-middleware best-effort for read paths;
         security-critical writes use WithinTx. Operator decides
         per-path escalation.
  S8     MCP threat model — the binary is a thin protocol bridge,
         no privileges of its own; every tool call carries
         CERTCTL_API_KEY and is auth'd + RBAC-gated server-side.
         Optional CERTCTL_MCP_READ_ONLY gate tracked as v3.
  SEC-H1 2026-05-10 audit CRIT-1/2/4 already closed on master;
         CRIT-3/5 status against the spec folder is operator-
         workstation-validation-only. Documented for follow-up.
  SEC-L2 WebAuthn / FIDO2 / step-up — already documented in
         docs/operator/auth-threat-model.md "Threats Bundle 2 does
         NOT close". v3 work item per CLAUDE.md decision 12.

Full per-finding rationale + receipts at
docs/operator/security-bundle-5-audit-closure.md.

Verification:
  gofmt -l                                                # clean
  go vet ./internal/connector/notifier/slack
    ./internal/connector/notifier/teams ./internal/auth/oidc
    ./internal/api/handler ./cmd/server                  # clean
  go build ./cmd/server [...]                            # clean
  go test -short -count=1 ./internal/connector/notifier/slack
    ./internal/connector/notifier/teams ./internal/api/handler
    ./internal/auth/oidc ./internal/config                # PASS
                                                          # (slack 0.028s + teams
                                                          # 0.023s + handler 11.0s;
                                                          # newForTest seam keeps
                                                          # httptest tests green)

Audit-Closes: BUNDLE-5 S1 R6 R7 RT-L2 finding-1 HIGH-5
Audit-Verifies-False: S4 SEC-L1
Audit-Defers: S3 S5 S8 SEC-H1 SEC-L2
2026-05-13 01:18:45 +00:00
shankar0123 750478a6fe fix(scale): close BUNDLE 4 — migrations, scheduler HA, rate-limits, scale receipts
Bundle 4 closure (2026-05-13 acquisition diligence audit). Closes the
"what happens under multi-replica" question cluster: migration runner
had no concurrency control + no applied-version ledger, 15 scheduler
loops had per-process idempotency but no cross-replica documentation,
rate limits were process-local without an operator-facing scope
statement, load-test scope explicitly omitted four hot paths without
linking them to a roadmap.

Source findings closed:
  HIGH-1 + D4 + finding 4                 (migration tracking)
  D8                                       (scheduler loop ownership)
  MED-1 + MED-2                            (rate-limit scope)
  T9 + LOW-7 + finding 7                   (load-test receipt scope)

Closures by source ID:

HIGH-1 + D4 + finding 4 — Migration tracking + advisory lock.
internal/repository/postgres/db.go::RunMigrations now wraps every
migration execution in:
  1. A dedicated *sql.Conn pinned to one connection for the entire
     scan + apply lifecycle (pg_advisory_lock is connection-scoped).
  2. pg_advisory_lock(migrationAdvisoryLockID) — fixed int64 key
     derived from "certctl-migrations" so the same constant resolves
     across deployments without colliding with operator advisory
     locks. Blocks the second replica until the first finishes.
  3. CREATE TABLE IF NOT EXISTS schema_migrations(version TEXT PK,
     applied_at TIMESTAMPTZ DEFAULT NOW()) — audit ledger.
  4. Skip-applied loop: SELECT version FROM schema_migrations →
     map[string]struct{} → skip every .up.sql whose filename is in
     the map. INSERT after successful execute, ON CONFLICT
     (version) DO NOTHING for defense in depth.

Pre-Bundle-4 every server boot re-ran all 45 .up.sql files. The
"idempotency via IF NOT EXISTS / ON CONFLICT" contract in CLAUDE.md
held per-migration but offered no protection when two Helm replicas
raced on schema DDL. Post-Bundle-4 single-replica deploys see zero
behavior change beyond the audit-table population; multi-replica
deploys get HA-safe schema bootstrap.

D8 — Scheduler HA semantics documented.
New docs/operator/scheduler-ha.md with per-loop inventory of all 15
loops in internal/scheduler/scheduler.go. Classification:
  - HA-safe (jobProcessorLoop, jobRetryLoop) — FOR UPDATE SKIP
    LOCKED via ClaimPendingJobs (Bundle 1 H-6 closure, 3e78ecb).
  - HA-safe-ish (jobTimeoutLoop) — atomic UPDATE-WHERE-status.
  - Idempotent under N>1 replicas (renewalCheckLoop,
    agentHealthCheckLoop, shortLivedExpiryCheckLoop, networkScanLoop,
    healthCheckLoop, acmeGCLoop, sessionGCLoop) — duplicate ticks
    produce idempotent side effects.
  - Side-effect-duplicating under N>1 replicas
    (notificationProcessLoop, notificationRetryLoop, digestLoop,
    cloudDiscoveryLoop, crlGenerationLoop) — duplicate
    webhook/email/AWS-API/CRL-signing operations. Operators
    running multi-replica accept N× side effects or pin to
    server.replicas: 1.

Leader-election work tracked in WORKSPACE-ROADMAP.md as v3.

MED-1 + MED-2 — Rate-limit scope.
New docs/operator/rate-limit-scope.md states the contract verbatim:
process-local sync.Mutex-guarded sliding-window log, effective
cluster-wide cap = configured-per-replica × server.replicas,
restart-safe (no persistent state, no shared store), bounded
(50k/100k key cap with eviction). Five call sites documented:
ocspLimiter (1m/IP), exportLimiter (1h/actor), EST per-principal
(24h/CN), EST failed-auth (1h/IP), Intune dispatcher
(24h/Subject+Issuer), plus the HTTP middleware token-bucket
(RPS+Burst per replica). Cluster-wide shared limits via Redis or
Postgres-backed bucket are tracked in WORKSPACE-ROADMAP.md as v3.

T9 + LOW-7 + finding 7 — Load-test receipt scope.
The existing harness at deploy/test/loadtest/ already
self-documents the gap ("What it explicitly does NOT measure"). No
code change needed for this finding; Bundle 4 cross-references
scheduler-ha.md and rate-limit-scope.md from those gap callouts so
the four deferred coverage classes (issuer connector, scheduler
throughput, agent fleet, DB p99) land in the same place an
acquirer reads about HA semantics and rate limits.

Tests:
  internal/repository/postgres/migrations_test.go (new, 4 tests):
    - TestRunMigrations_PopulatesSchemaMigrations: audit table
      exists and is non-empty after the first migration run.
    - TestRunMigrations_SkipsAppliedOnSecondCall: second call is
      observable no-op on row count.
    - TestRunMigrations_ConcurrentCallsSerialized: two goroutines
      racing the migrator both return without error; row count
      unchanged; no duplicate versions.
    - TestRunMigrations_FreshDatabaseHappyPath: ≥ 30 migrations
      land on a fresh schema.
  Gated by testcontainers via the existing repo_test.go getTestDB
  pattern; skipped under -short. The integration lane runs them.

Verification:
  gofmt -l                                              # clean
  go vet ./internal/repository/postgres ./cmd/server    # clean
  go build ./cmd/server ./internal/repository/postgres  # clean
  go test -short -count=1 ./internal/repository/postgres
    ./internal/ratelimit                                # PASS
  Operator follow-up: full integration run on workstation:
    go test -count=1 ./internal/repository/postgres -run TestRunMigrations_

Receipts (paths for the audit packet):
  Migration runner evidence: internal/repository/postgres/db.go
    L135-340 (advisory-lock + ledger + skip-applied loop) +
    internal/repository/postgres/migrations_test.go (4 tests).
  Scheduler loop inventory: docs/operator/scheduler-ha.md (15-loop
    table with HA classification per loop).
  Rate-limit storage matrix: docs/operator/rate-limit-scope.md.
  Load-test baseline: deploy/test/loadtest/README.md (already
    self-documenting), cross-linked from scheduler-ha.md.

Remaining operator warnings (deferred, tracked in WORKSPACE-ROADMAP.md):
  - Leader election for the four duplicate-side-effect loops
    (notificationProcessLoop, notificationRetryLoop, digestLoop,
    cloudDiscoveryLoop, crlGenerationLoop). v3 work item.
  - Shared rate-limits across replicas (Redis / Postgres token
    bucket). v3 work item.
  - Issuer-connector + scheduler-throughput + agent-fleet + DB-p99
    load-test coverage. Tracked separately; per-issuer Prometheus
    histograms already capture issuer round-trip latency in
    production runs.

Audit-Closes: BUNDLE-4 HIGH-1 D4 D8 MED-1 MED-2 T9 LOW-7 finding-4 finding-7
2026-05-13 01:00:39 +00:00
shankar0123 47da13e7a1 fix(helm): close BUNDLE 3 — Helm chart hardening + enterprise deploy
Bundle 3 closure (2026-05-12 acquisition diligence audit). Closes the
"chart claims production-ready but lying-fields silently break it"
hazard cluster: README install command had wrong key, required secrets
weren't fail-fast, external Postgres rendered the bundled StatefulSet
hostname, container-only security hardening fields landed at pod scope
(silently dropped by K8s API), and three advertised template surfaces
(ServiceMonitor, PodDisruptionBudget, NetworkPolicy) didn't render at
all even when their values.yaml toggles were on.

Source findings closed:
  C2 C3 D1 D2 D3 D5 D7 D11 D12       (repo audit)
  OPS-L1 OPS-L2                       (cowork audit)
Source findings explicitly deferred (tracked in WORKSPACE-ROADMAP.md):
  D6 OPS-H1   (backup automation — operator must choose target storage)
  D10         (digest pinning of latest `:latest` tags)
  OPS-M1      (prometheus/client_golang migration)
  OPS-M2      (distributed tracing instrumentation)

Chart truth table (rendered with helm 3.16.3):
  -f values.yaml + tls.existingSecret + auth.apiKey + pg.auth.password
    → 12 resources (default mode, no monitoring/PDB/networkpolicy)
  + postgresql.enabled=false + externalDatabase.url=…
    → NO StatefulSet, NO postgres-secret, NO postgres-service (D2)
  + server.tls.certManager.enabled=true
    → +1 Certificate (cert-manager mode)
  + replicas=3 + monitoring.enabled=true + serviceMonitor.enabled=true
    + podDisruptionBudget.enabled=true + networkPolicy.enabled=true
    → +1 ServiceMonitor + 1 PodDisruptionBudget + 1 NetworkPolicy (D5+D11)
  tls.existingSecret AND tls.certManager.enabled both set
    → REFUSED with "EXACTLY ONE TLS ownership path" error (D7)
  Missing required secrets (apiKey / pg password / external URL)
    → REFUSED at template time with operator-actionable guidance (D1)

Closures by source ID:

C2 — README Helm install example fixed. Was `--set postgresql.password=…`
  (does not exist); now `--set postgresql.auth.password=…` matching
  the chart key. README install block also wires TLS, mentions
  fail-fast at template time, and links the external-Postgres example.

C3 — Kubernetes Secrets connector annotated PREVIEW in values.yaml.
  The chart still exposes `kubernetesSecrets.enabled` for the RBAC
  preview wiring, but the values block now states clearly that the
  production K8s client at internal/connector/target/k8ssecret/
  k8ssecret.go::realK8sClient is a stub (verified — go.mod imports
  zero k8s.io/client-go packages). Production landing tracked in
  WORKSPACE-ROADMAP.md.

D1 — `certctl.requiredSecrets` template helper. Fail-fasts at render
  time when (a) server.auth.type=api-key + apiKey empty, (b)
  postgresql.enabled=true + pg.auth.password empty, (c)
  postgresql.enabled=false + externalDatabase.url + legacy env
  CERTCTL_DATABASE_URL all empty. Each branch emits an
  operator-actionable diagnostic with the openssl rand command or
  values override needed. postgres-secret template additionally
  uses Helm's `required` builtin so it can't render with the empty
  fallback that pre-Bundle-3 produced ("changeme" literal).

D2 — externalDatabase.url first-class. New top-level values block.
  certctl.databaseURL helper now branches on postgresql.enabled:
  bundled path uses the helper-emitted in-cluster URL; external
  path uses externalDatabase.url verbatim. postgres-secret,
  postgres-statefulset, and postgres-service ALL gate on
  postgresql.enabled — external mode renders ZERO postgres-*
  resources. POSTGRES_PASSWORD env in server-deployment also gates.

D3 — Container-vs-pod security context split. K8s API silently drops
  readOnlyRootFilesystem / allowPrivilegeEscalation / capabilities /
  privileged when they land at pod scope (`spec.securityContext`);
  they only work at container scope (`spec.containers[].securityContext`).
  Pre-Bundle-3 all fields sat at pod scope so the chart's documented
  "read-only rootfs + drop-all caps" hardening was effectively
  unenforced. New certctl.podSecurityContext + containerSecurityContext
  helpers split the operator-facing securityContext map by field-name
  whitelist so existing values keep working byte-for-byte while
  fields render at the K8s-valid scope. Applied to both
  server-deployment.yaml and agent-daemonset.yaml (DaemonSet + Deployment
  branches).

D5 — Prometheus ServiceMonitor template. New
  templates/servicemonitor.yaml. Renders when monitoring.enabled AND
  monitoring.serviceMonitor.enabled. Scrapes /api/v1/metrics/prometheus
  (rbac-gated on metrics.read — needs bearerTokenSecret with an API
  key holding that perm). values.yaml block extended with bearerTokenSecret,
  tlsConfig, and relabelings knobs and the operator-facing comment
  documenting the auth requirement.

D7 — TLS both-set rejection. certctl.tls.required helper extended.
  Pre-Bundle-3 only the NEITHER-set case was caught; setting BOTH
  rendered a dangling cert-manager Certificate alongside an
  existing-Secret mount, two conflicting TLS sources of truth.
  Now refuses with "EXACTLY ONE TLS ownership path" + remediation
  steps for both possible operator intents.

D11 — PodDisruptionBudget + NetworkPolicy templates. New
  templates/pdb.yaml (renders when podDisruptionBudget.enabled +
  server.replicas > 1) + templates/networkpolicy.yaml (renders when
  networkPolicy.enabled). PDB uses minAvailable / maxUnavailable
  exclusivity per K8s spec. NetworkPolicy default-allows in-namespace
  agent → server traffic, kube-DNS egress, and bundled-postgres
  egress (when postgresql.enabled), with operator-extensible
  extraIngress / extraEgress for CA / OIDC / SMTP egress. Both
  default off so existing deploys don't lose network reach
  unannounced.

D12 — Database max-conn config wired. Pre-Bundle-3
  internal/repository/postgres/db.go::NewDB hard-coded
  SetMaxOpenConns(25). config.go loaded CERTCTL_DATABASE_MAX_CONNS,
  Validate() enforced the >= 1 floor, values.yaml documented it,
  and docs/reference/configuration.md surfaced it — but the pool
  ignored every operator setting. New NewDBWithMaxConns threads
  the operator value into the pool with maxIdle = maxOpen / 5
  (≥ 1) so the historical ratio carries forward. cmd/server/main.go
  calls the new constructor; NewDB stays for compat at the default 25.

OPS-L1 — Chart version 0.1.0 → 1.0.0. Chart has shipped through 8 audit
  closures since 2026-02 (M-018, U-1, U-2, U-3, H-1, G-1, B1, B2);
  pre-1.0 version was implying instability the chart no longer has.

OPS-L2 — External-Postgres path is now properly documented in values.yaml
  (externalDatabase block with mode-2 example), README install command
  links the existing examples/values-external-db.yaml, and the chart
  truth table above proves the external mode renders cleanly.

Receipts:
  helm lint deploy/helm/certctl/                                # clean
  helm template c deploy/helm/certctl/ \
      --set server.tls.existingSecret=ci \
      --set postgresql.auth.password=p \
      --set server.auth.apiKey=k                                # 12 kinds, default
  helm template c deploy/helm/certctl/ \
      --set server.tls.existingSecret=ci \
      --set postgresql.enabled=false \
      --set externalDatabase.url='postgres://u:p@h:5432/db?sslmode=require' \
      --set server.auth.apiKey=k                                # 9 kinds, no postgres-*
  helm template c deploy/helm/certctl/ \
      --set server.tls.certManager.enabled=true \
      --set server.tls.certManager.issuerRef.name=letsencrypt \
      --set postgresql.auth.password=p --set server.auth.apiKey=k
                                                                # +1 Certificate (cert-manager)
  helm template c deploy/helm/certctl/ \
      --set server.tls.existingSecret=ci \
      --set postgresql.auth.password=p --set server.auth.apiKey=k \
      --set server.replicas=3 \
      --set monitoring.enabled=true \
      --set monitoring.serviceMonitor.enabled=true \
      --set podDisruptionBudget.enabled=true \
      --set networkPolicy.enabled=true                          # +ServiceMonitor +PDB +NetworkPolicy
  (TLS both-set + missing apiKey + missing pg password + missing extDb URL all REFUSED.)

  gofmt -l                                                      # clean
  go vet ./internal/repository/postgres ./cmd/server            # clean
  go build ./cmd/server                                         # clean
  bash scripts/ci-guards/B3-helm-chart-coherence.sh             # clean

Remaining operator warnings (deferred, tracked in WORKSPACE-ROADMAP.md):
  - Backup CronJob + restore script (D6 + OPS-H1): operator chooses
    target (S3, GCS, Azure Blob, NFS). Sample CronJob yaml may ship
    in deploy/helm/examples/ once an operator workstation has run
    one full backup-restore cycle.
  - Distributed tracing (OPS-M2): otel/* are go.mod indirect deps,
    not actively instrumented. Adding spans is a v3 work item.
  - Prometheus client_golang migration (OPS-M1): the hand-rolled
    /metrics/prometheus exposition format works today; client_golang
    migration unlocks histograms + exemplars + native label sets.

Audit-Closes: BUNDLE-3 C2 C3 D1 D2 D3 D5 D7 D11 D12 OPS-L1 OPS-L2
Audit-Defers: D6 D10 OPS-H1 OPS-M1 OPS-M2
2026-05-13 00:40:42 +00:00
shankar0123 a849c8b8cf fix(security): close BUNDLE 2 — safe first run, demo mode, agent bootstrap
Bundle 2 closure (2026-05-12 acquisition diligence audit). Closes the
"docker compose up == accidental production" hazard: pre-Bundle-2 the
base deploy/docker-compose.yml WAS the demo path (AUTH_TYPE=none +
DEMO_MODE_ACK=true + KEYGEN_MODE=server + DEMO_SEED=true + literal
change-me-... placeholder creds), the README claimed "drop the demo
overlay for a clean install", and ENVIRONMENTS.md table documented
auth-type default as api-key — three contradictory stories layered on
the same compose file.

Source findings closed:
  R2 R3 C1 D9 finding-2 S9               (repo audit)
  SEC-H2 SEC-M1 SEC-M3 OPS-M3 LOW-5 HIGH-6 (cowork audit)

Compose split (deploy/docker-compose.yml + deploy/docker-compose.demo.yml):
The base now ships production-shaped — no AUTH_TYPE override, no
KEYGEN_MODE override, no DEMO_MODE_ACK, no DEMO_SEED, no literal
placeholder fallbacks. POSTGRES_PASSWORD / CERTCTL_AUTH_SECRET /
CERTCTL_CONFIG_ENCRYPTION_KEY / CERTCTL_API_KEY / CERTCTL_AGENT_ID
must come from deploy/.env (sample template in deploy/.env.example +
root .env.example). The demo overlay carries the full demo posture
(every env var + every placeholder credential) so the
`-f docker-compose.demo.yml` one-flag flip remains a zero-config
populated-dashboard path.

Fail-closed startup guards (internal/config/config.go::Validate):
Three new gates layered on the existing HIGH-12 demo-mode listen-bind
guard. All three exempt CERTCTL_DEMO_MODE_ACK=true so the demo overlay
keeps working:
  • HIGH-6:  AUTH_SECRET = "change-me-in-production"        → refuse
  • HIGH-6:  CONFIG_ENCRYPTION_KEY = "change-me-32-char..." → refuse
  • LOW-5:   CORS_ORIGINS contains "*"  (CWE-942 + CWE-352) → refuse

Visible DEMO MODE banner (cmd/server/main.go): every boot under
DEMO_MODE_ACK=true now emits a prominent WARN line with a 6-step
production-promotion checklist. The 2026-04-19 incident (a screenshot
run that kept running for three days) drove this; the per-startup
banner makes the posture unmissable in any log scraper.

Agent enrollment doc alignment:
  • docs/reference/configuration.md L83: corrected the non-existent
    URL `POST /api/v1/agents/register` to the real route
    `POST /api/v1/agents`; added the bootstrap-token note and the
    install-agent.sh handoff sequence.
  • docs/reference/architecture.md L154: replaced "agents register
    themselves at first heartbeat" (false — cmd/agent/main.go fail-
    fasts when CERTCTL_AGENT_ID is unset) with the actual two-step
    operator-driven flow (REST or GUI registration first, returned ID
    fed to install-agent.sh second).

Tests + CI guard:
  • 9 new TestValidate_Bundle2_* cases in internal/config/config_test.go
    covering: placeholder-secret refused + demo-ack exempt; placeholder
    encryption-key refused + demo-ack exempt; real key not mistaken for
    placeholder; wildcard CORS refused + demo-ack exempt; wildcard mixed
    into a concrete allowlist still refused; concrete allowlist accepted.
  • scripts/ci-guards/B2-compose-base-no-demo-env.sh: greps the base
    compose for any of the demo-mode env vars + placeholder credentials.
    Comments stripped before checking so the narrative header in the
    base file can still reference the overlay's posture in prose.

Cold-DB CI smoke (.github/workflows/ci.yml::cold-db-compose-smoke):
Switched to layering -f docker-compose.demo.yml on top of the base —
the new production base requires real env vars the smoke doesn't have,
and the smoke's purpose (catch migration-on-cold-DB regressions + the
bootstrap-token mint path) is orthogonal to which auth posture the
boot lands in.

Receipts:
  • Current first-run truth table
        compose flag                                  → posture
        -f docker-compose.yml                          (production)
                                                       → requires .env;
                                                       fail-fasts on
                                                       missing AUTH_SECRET
                                                       / CONFIG_ENCRYPTION
                                                       _KEY / POSTGRES
                                                       _PASSWORD; agent
                                                       fail-fasts on
                                                       missing AGENT_ID
        -f docker-compose.yml -f docker-compose.demo.yml  (demo)
                                                       → zero-config;
                                                       AUTH_TYPE=none +
                                                       DEMO_MODE_ACK=true
                                                       + KEYGEN=server +
                                                       DEMO_SEED=true;
                                                       boot banner WARN
        -f docker-compose.yml -f docker-compose.dev.yml   (dev)
                                                       → base + PgAdmin
                                                       + debug logging
        -f docker-compose.test.yml                     (test, standalone)
                                                       → production-shape
                                                       posture, real CA
                                                       backends
  • Verification (PATH=/tmp/go/bin export GO* paths to /tmp):
        gofmt -l                                      # clean (no diffs)
        go vet ./internal/config ./cmd/server         # clean
        go test -short -count=1 ./internal/config/... # PASS (cumulative +
                                                       all 9 new Bundle 2
                                                       cases green)
        go test -short -count=1                       # PASS (no regression
            ./internal/connector/target/configcheck    in the Bundle 1 -
                                                       closure tests)
        go build ./cmd/server ./cmd/agent             # clean
            ./cmd/cli ./cmd/mcp-server
        bash scripts/ci-guards/B2-compose-base-no-demo-env.sh  # clean
        bash scripts/ci-guards/H-1-encryption-key-min-length.sh # clean
        bash scripts/ci-guards/G-3-env-docs-drift.sh           # clean

Remaining operator warnings (not blocking; tracked in CLAUDE.md
"Open decisions"):
  • The first `docker compose -f docker-compose.yml up -d` against a
    pre-Bundle-2 .env (placeholder values still in place) will now
    fail-fast. This is the intended posture but operators upgrading
    from v2.0.x via .env-from-old-master need to rotate before
    upgrading. The CHANGELOG note for the v2.1.0 release should
    call this out alongside Auth Bundle 2's other breaking changes.

Audit-Closes: BUNDLE-2 R2 R3 C1 D9 S9 SEC-H2 SEC-M1 SEC-M3 OPS-M3 LOW-5 HIGH-6
2026-05-13 00:14:59 +00:00
shankar0123 d60a0ac297 fix(security): close BUNDLE 1 — server+agent connector config validation chain
Bundle 1 closure (2026-05-12 acquisition diligence audit). Closes the
acquisition-blocker chain: target.edit (default r-operator grant per
migrations/000029_rbac.up.sql:196) → arbitrary reload_command stored
without validation → agent createTargetConnector json.Unmarshal-only
→ sh -c on agent host. README's 'shell injection prevention on all
connector scripts' claim is now true at the chain level.

Server-side: new internal/connector/target/configcheck package + a
configcheck.Validate call in target.go::Create + ::Update +
::CreateTarget + ::UpdateTarget (all 4 entry points). Rejects shell
metacharacters in reload_command / validate_command / restart_command
for nginx, apache, haproxy, postfix/dovecot, javakeystore, ssh. Sentinel
errors.Is(err, service.ErrInvalidConnectorConfig) available for handler
400 mapping. Non-shell connector types (F5, IIS, Caddy, Traefik, Envoy,
cloud targets, K8s) are no-ops by design.

Agent-side: defense-in-depth connector.ValidateConfig(ctx, configJSON)
call in cmd/agent/main.go inserted between createTargetConnector and
DeployCertificate. This catches (a) configs pre-dating the server gate,
(b) encrypted-blob tampering, (c) per-connector filesystem invariants
that the server can't check.

F5 (S2 finding): proven docs-vs-code drift, not a security bug. The
applyDefaults function never set Insecure=true; runtime default has
always been Go zero-value (false → TLS verified). Three lying 'default
true' comments in f5/f5.go (lines 30, 45-47, 126) rewritten to match
actual code behavior.

Docs (C4 + C9): README L12 + L68 narrowed — 'any CA / any server' →
'Twelve native CA connectors plus an OpenSSL adapter; fifteen native
deployment-target connectors plus a proxy-agent pattern.' 'Every deploy
goes through atomic-write + ...' narrowed to file-based connectors with
inline link to per-target guarantee matrix. New deployment-model.md §1.6
ships a 15-target × 8-property guarantee table covering atomic write /
owner-perms / SHA-256 idempotency / pre-deploy snapshot / on-failure
rollback / post-deploy TLS verify / Prometheus counters / shell-injection
validation — including the K8s preview honesty marker (CLAIM-H4).

Tests: internal/connector/target/configcheck/configcheck_test.go covers
14 shell-injection payloads (semicolon, pipe, backtick, dollar-paren,
redirect, and-chain, newline, double-quote, escape, dollar-var) × 7
shell-using connectors + benign-command acceptance + non-shell no-op
behavior + empty config + malformed JSON. All pass.

Verification (run from /sessions/gifted-blissful-pasteur/mnt/cowork/certctl):
  go fmt ./...              # clean (no diffs)
  go vet ./...              # clean (no findings)
  go test -short -count=1 ./internal/... ./cmd/...
                            # 60+ packages all ok, zero FAIL

Audit-Closes: BUNDLE-1 RT-C1 SEC-M4 CLAIM-M2 CLAIM-L3
Audit-Verifies-False: S2 (F5 'default insecure' was a comment lie, code was always secure)
2026-05-12 23:48:08 +00:00
shankar0123 b4378942fc fix(ciparity): drop unused methodPathRe regex (golangci-lint cleanup)
golangci-lint v2.11.4 surfaced one finding against the bundle's new
code: 'var methodPathRe is unused' in
internal/ciparity/surface_parity_test.go:46.

The regex was leftover scaffolding from when I drafted the file as a
package-router test before moving it into the stdlib-only ciparity
package. The router-route scanner in this package uses its own
inline regex (registerRe + muxHandleRe via scanRouterRoutes) and
never reads methodPathRe.

Verified clean against the two bundle packages:
  - golangci-lint run --timeout 5m ./internal/ciparity/... ./internal/config/... → 0 issues
  - gofmt -l → no output
  - go vet → clean
  - go test -short -count=1 → ciparity 0.017s, config 0.727s

Audit-Closes: post-v2.1.0-anti-rot/item-2
2026-05-12 14:25:37 +00:00
shankar0123 e3a9317693 feat(ci): item-2 cross-surface contract parity (stdlib-only package)
internal/ciparity/ — new stdlib-only package with four tests:

1. TestSurfaceParity_MCPToolCatalogue (HARD GATE):
   - Every MCP tool name conforms to certctl_<word>(_<word>)*
   - No duplicate names across the five tools*.go files
   - Total tools ≥ mcpBaselineFloor (150; current count 155)
   Catches accidental tool deletions + naming-convention drift.

2. TestSurfaceParity_CLICommandCatalogue (INFORMATIONAL):
   Walks cmd/cli/main.go's switch-case dispatcher. Logs the 31
   distinct verbs. Per frozen decision 0.9, warn-only until the CLI
   surface stabilizes.

3. TestSurfaceParity_OpenAPI_MCPHeuristicCoverage (INFORMATIONAL):
   Reports the fraction of OpenAPI ops whose path tokens overlap
   with MCP tool name tokens. Trend metric; current coverage 92%.

4. TestSurfaceParity_Summary (INFORMATIONAL):
   One-glance count of router routes / OpenAPI ops / MCP tools / CLI
   verbs. Easy eyeball for a PR reviewer.

Verified in sandbox:
  - gofmt clean
  - go vet clean
  - go test -short -count=1: all four PASS in 0.017s

Stdlib-only by design — the tests read source files with os.ReadFile +
regexp + go/ast. Keeps the test runnable without pulling in the rest
of the codebase's transitive deps; fast self-contained signal.

Router ↔ OpenAPI parity (TestRouter_OpenAPIParity) stays in
internal/api/router/openapi_parity_test.go where it already lives.
This bundle does not duplicate it.

Allowlist scaffold at scripts/ci-guards/surface-parity-mcp-exemptions.yaml
for the day TestSurfaceParity_OpenAPI_MCP* is promoted from
informational to hard gate.

Audit-Closes: post-v2.1.0-anti-rot/item-2
2026-05-12 14:09:32 +00:00
shankar0123 0ab6bc4a73 feat(ci): item-1 complete-path config-coverage guard (PARTIAL — sandbox could not verify Go test)
Shell guard verified working in sandbox:
  - Green on clean repo: 'OK — every CERTCTL_* env var (194) has at least
    one non-config-package consumer.'
  - Red on injected orphan: '::error::Orphan env vars — defined in
    config.go but no consumer found outside internal/config/' with three
    remediation paths listed.

Go test internal/config/coverage_test.go written but NOT verified —
sandbox Go 1.25.9 < go.mod's 1.25.10 requirement; toolchain
auto-download fails (disk full). Operator must run `make verify` from
workstation before merge.

Allowlist scaffold at scripts/ci-guards/complete-path-config-coverage-exceptions.yaml.
Every entry requires name + justification + expires fields; expired
entries fail the guard.

Catches the lying-field bug class — env var defined in config.go that no
business-logic code reads. The 2026-04-29 SCEP MustStaple Phase 5.6 gap
(domain field shipped, service layer never read profile.MustStaple) is
the canonical case this guard would have caught at commit time.

Audit-Closes: post-v2.1.0-anti-rot/item-1
2026-05-12 14:02:04 +00:00
shankar0123 1b03d0c594 fix(repo/job): split UNION ALL + FOR UPDATE into two queries (Postgres-correctness)
Phase-9 docker compose smoke surfaced a latent production-breaking
bug introduced by commit 89b910a (H-6 atomic pending-job claim). The
ClaimPendingByAgentID query in internal/repository/postgres/job.go
combined UNION ALL with FOR UPDATE SKIP LOCKED in a single statement.
Postgres rejects this with:

  ERROR: FOR UPDATE is not allowed with UNION/INTERSECT/EXCEPT

Every agent work-poll returns HTTP 500 in any real deployment where
an agent is actually polling. From the compose log:

  request_id=6da47015-... GET /api/v1/agents/agent-demo-1/work
  status=500 duration_ms=2

The schema-per-test unit harness in internal/repository/postgres/
*_test.go never inserted jobs and polled, so the SQL execution path
was never exercised. The bug has been latent in master since 89b910a
landed.

Fix: split the UNION ALL into two separate FOR UPDATE SKIP LOCKED
queries within the existing transaction. The H-6 atomicity invariant
(concurrent pollers never see the same Pending row) is preserved
because:

  1. The two queries run inside the same transaction (tx).
  2. Each query independently locks its result rows with
     FOR UPDATE SKIP LOCKED.
  3. The subsequent UPDATE that flips Pending -> Running runs in
     the same transaction, so the rows stay invisible to concurrent
     callers from initial SELECT through final COMMIT.
  4. The transaction is the unit of consistency, not the single
     SQL statement.

Two queries:
  - Branch 1 (direct): jobs.agent_id =  + status='Pending' +
    type='Deployment'. ORDER BY created_at ASC, FOR UPDATE SKIP LOCKED.
  - Branch 2 (fallback): jobs.agent_id IS NULL + INNER JOIN
    deployment_targets dt ON jobs.target_id = dt.id WHERE
    dt.agent_id = . ORDER BY j.created_at ASC, FOR UPDATE OF j
    SKIP LOCKED (FOR UPDATE OF needed because the join brings in dt).

Branch 3 (AwaitingCSR) is unchanged — already a single SELECT,
not affected by the UNION restriction.

Inline comment explains the fix's load-bearing-ness so a future
refactor doesn't merge them back into one UNION query.

Verify (sandbox): go vet clean; go test -short -count=1 PASS on
internal/repository/postgres/. Workstation re-runs 'docker compose
up' to confirm the agent's GET /work returns 200 with the next
pending-deployment claim.

Note: this is NOT a regression introduced by Auth Bundle 2 or the
2026-05-11 audit fixes; it's a pre-existing latent defect from H-6.
Including in v2.1.0 because shipping with a broken agent work-poll
would block the demo path on day one of release.
2026-05-11 16:11:33 +00:00
shankar0123 aa1efd0676 fix(oidc/testfixtures): set legacy KEYCLOAK_ADMIN* env vars for start-dev master-admin bootstrap
Phase-10 live-IdP smoke (post-iss-param fix landing in 360e744) advanced
4 of 6 integration tests to green. The remaining 2 — the realm-key
rotation tests — failed with:

  admin-cli token: HTTP 401

at the master-realm token endpoint. Root cause: Keycloak 26.x has TWO
admin-bootstrap env-var pairs and the right pair depends on the launch
command:

  - 'start' (production):  KC_BOOTSTRAP_ADMIN_USERNAME +
                           KC_BOOTSTRAP_ADMIN_PASSWORD
  - 'start-dev':           KEYCLOAK_ADMIN + KEYCLOAK_ADMIN_PASSWORD

The fixture sets KC_BOOTSTRAP_ADMIN_USERNAME + KC_BOOTSTRAP_ADMIN_PASSWORD
but runs 'start-dev'. The bootstrap pair is silently ignored in dev-mode,
leaving the master realm with no admin user → admin-cli token endpoint
returns 401 → RotateRealmKeys can't authenticate to the Admin API.

The 4 auth-code flow tests passed because they authenticate the engineer /
viewer test users INSIDE the certctl realm (created by the realm import),
which doesn't need a master admin.

Fix: set BOTH pairs as belt-and-braces. The legacy KEYCLOAK_ADMIN pair
covers start-dev today; the KC_BOOTSTRAP_ADMIN_* pair keeps a future flip
to 'start' working. Inline comment in the fixture explains the why so a
future reader doesn't drop one back.

Verify (sandbox): go vet -tags=integration clean; gofmt clean. Workstation
re-runs 'make keycloak-integration-test' to confirm the 2 rotation tests
now reach + execute the Admin API successfully.
2026-05-11 15:49:25 +00:00
shankar0123 360e7449ad fix(oidc/integration): pass fx.IssuerURL as callbackIss arg in 7 HandleCallback call sites
Phase-10 live-IdP smoke (post-Enabled-true fix landing in 1b52998)
surfaced the next layer: 5 of 6 testcontainers-Keycloak integration
tests failed with 'oidc: provider advertises iss-parameter support
but callback omitted it'.

Root cause: Keycloak's discovery doc advertises
authorization_response_iss_parameter_supported=true. The Audit
2026-05-10 MED-17 closure (RFC 9207) gates the callback path:
when the IdP advertises iss-param support, HandleCallback requires
a non-empty callbackIss arg that matches the provider's IssuerURL,
else ErrIssParamMissing. The 7 HandleCallback call sites in the
integration tests were passing '' for the callbackIss arg — the
synthetic test code never simulated the real browser's
'?iss=<issuer>' query param.

Fix: replace '' with fx.IssuerURL at all 7 sites:
- integration_keycloak_test.go: 5 sites
  (TestKeycloakIntegration_AuthCodeFlow_HappyPath,
   TestKeycloakIntegration_LogoutRevokesSession,
   TestKeycloakIntegration_JWKSRotation_RefreshKeysPicksUpNewKey
     pre+post HandleCallback,
   TestKeycloakIntegration_UnmappedGroupsFailsClosed)
- integration_keycloak_rotate_test.go: 2 sites
  (TestKeycloakIntegration_MED6_AutoRefreshOnKidMiss pre+post)

Inline note on the first site explains the rationale so future
test-writers don't drop back to ''.

Verify (sandbox): go vet -tags=integration ./internal/auth/oidc/...
clean; gofmt clean; grep for remaining empty-iss callsites returns
0 matches. Workstation re-runs 'make keycloak-integration-test' to
confirm the 5 affected tests advance past the iss-param check
against a real Keycloak 26.x.
2026-05-11 15:44:39 +00:00
shankar0123 1b529985be fix(oidc/testfixtures): set Enabled=true on Keycloak integration-test provider
Phase-10 live-IdP smoke re-run (after the alg-downgrade relax landed in
fefeccf) surfaced the next layer: 5 of 6 testcontainers-Keycloak
integration tests failed with 'oidc: provider is disabled'.

Root cause: the OIDCProvider struct literal in
internal/auth/oidc/testfixtures/keycloak.go omits the Enabled field.
Enabled was added by Audit 2026-05-11 MED-9 (Bundle 2 Fix 13 Phase B);
pre-fix the field didn't exist and HandleAuthRequest always proceeded.
Post-fix the default zero-value false gates every integration test
behind ErrProviderDisabled at service.go L478.

Fix: add Enabled: true to the struct literal + inline comment explaining
why the field is required for integration tests. The check is the right
behavior for production (operator-driven disable kill-switch); just
needed to be reflected in the testfixture.

Verify (sandbox): go vet -tags=integration ./internal/auth/oidc/...
clean. Workstation re-runs 'make keycloak-integration-test' to confirm
the 5 affected tests now pass against a real Keycloak 26.x.
2026-05-11 15:39:07 +00:00
shankar0123 fefeccfa59 harden(oidc): relax alg-downgrade IdP-bind check to intersection-empty (Keycloak compat)
Phase-10 live-IdP smoke (Keycloak 26.x via testcontainers-go) revealed
the IdP-bind alg-downgrade check was too strict for real-world IdPs.
6 of the integration tests in internal/auth/oidc/integration_keycloak*_test.go
were failing with:

  oidc: IdP advertises weak signing algorithms (HS*/none);
  refusing to use as defense against downgrade attacks: HS256

Keycloak 26.x (and several other real-world IdPs — Auth0 when HS-mode is
enabled, some Authentik configs) advertise EVERY alg they're capable of
in the discovery doc's id_token_signing_alg_values_supported field, even
when the realm only signs with RS256 in practice. Pre-fix the IdP-bind
check refused on ANY HS* or 'none' advertisement → no real Keycloak deploy
could ever bind a provider row, hence the integration-test failures.

The strict-deny check was defense-in-depth on top of the load-bearing
per-token alg-pin at sig-verify time (isDisallowedAlg, service.go L1177):
that check rejects every ID token whose JWS header carries an alg outside
DefaultAllowedAlgs, regardless of what the discovery doc advertises.
A forged HS256 token signed with the IdP's RS256 pubkey as HMAC secret
is rejected at sig-verify time → the actual algorithm-confusion attack
is closed by the per-token pin, NOT by the discovery-doc check.

Fix: relax the IdP-bind check to refuse only when the intersection of
advertised vs DefaultAllowedAlgs is EMPTY (the pathological all-weak-alg
IdP case). Keycloak (RS256 + HS256 advertised) now binds successfully;
an HS-only IdP still fails closed.

Changes:
- internal/auth/oidc/service.go: rewrite the alg-check loop at L1067 in
  getOrLoad / RefreshKeys to compute the intersection set; refuse only
  when no acceptable alg is advertised. ErrIdPDowngradeAdvertised
  docstring updated to reflect new contract. DefaultAllowedAlgs
  docstring + the package-level design-comment block at L40-72 updated
  with v2.1.0-relaxed semantics callouts.
- internal/auth/oidc/test_discovery.go: TestDiscovery dry-run validator
  rewritten to surface HS*/none alongside RS* as an informational note
  ('note: IdP advertises weak algorithms %v alongside acceptable ones')
  rather than a hard-fail error. HS-only / none-only still hard-fails.
- internal/auth/oidc/service_test.go: TestService_IdPDowngradeDefense_*
  tests updated. Renamed:
  - RejectsHSAdvertised → RS256PlusHS256_BindsSuccessfully (positive)
  - RejectsNoneAdvertised → RejectsHSOnlyAdvertised (intersection-empty)
  - RefreshKeys_CatchesPostLoadDowngrade rotated to HS-only post-load
- internal/auth/oidc/coverage_fill_test.go: TestTestDiscovery_AlgDowngradeDetected
  split into _HS256AlongsideRS256_BindsWithNote (positive, asserts note
  but no hard-fail) + _HSOnly_StillTrips_HardFail (intersection-empty).
- docs/operator/auth-threat-model.md: OIDC token-validation alg-allow-list
  section rewritten to call out the load-bearing-defense hierarchy
  (per-token pin first, IdP-bind check defense-in-depth) and document
  the v2.1.0 relaxation rationale.
- CHANGELOG.md: ### Security entry under Unreleased.

Verify: go test ./internal/auth/oidc/ -short PASS; gofmt clean; go vet
clean. The Keycloak integration tests should now pass when the operator
re-runs 'make keycloak-integration-test'.
2026-05-11 15:34:59 +00:00
shankar0123 80cbd2db59 test(coverage): backfill 5 packages to clear v2.1.0 release-gate Phase 3 floors
Phase 3 of /Users/shankar/Desktop/cowork/v2.1.0-release-gate.md surfaced
four packages below their coverage floors. All four are regressions from
new code shipped in the audit-2026-05-10/11 fix bundles that didn't get
per-function tests:

  internal/auth/breakglass    87.5% -> 93.3% (floor: 90%)
    + List (was 0%) — 3 tests (disabled, empty+populated, repo err)
    + RemoveCredential, Unlock disabled-branch tests

  internal/auth/oidc          89.4% -> 95.4% (floor: 90%)
    + JWKSStatus (was 0%) — 2 tests (unknown provider, after AuthRequest)
    + TestDiscovery (was 0%) — 5 tests (discovery failure, happy path,
      HS256 alg-downgrade detected, missing jwks_uri, JWKS 500 fetch)

  internal/auth/session       89.9% -> 94.4% (floor: 90%)
    + SetTrustedProxies (was 0%) — round-trip + clear
    + ComputeCookieHMAC (was 0%) — determinism + key/inputs differ
    + DecryptKeyMaterial (was 0%) — round-trip + wrong-passphrase

  internal/api/handler        73.2% -> 75.5% (floor: 75%)
    + 6 auth_breakglass handler funcs (were all 0%) — 14 tests
      (disabled/404, invalid JSON, empty fields, service err, happy
      path with cookies, admin endpoints, ListCredentials no
      password_hash on the wire)
    + WithPermissionChecker setter test (was 0%, Bundle 2 MED-2)
    + NewAdminCRLCacheServiceImpl + CacheRows (were 0%) — 3 tests
    + itoaForRetryAfter + challengeURLBuilder ACME helpers (were 0%) —
      4 tests

All five coverage gates green:

  internal/service                                    72.7% (floor: 70%)
  internal/api/handler                                75.5% (floor: 75%)
  internal/api/middleware                             67.9% (floor: 30%)
  internal/auth                                       93.3% (floor: 85%)
  internal/service/auth                               91.8% (floor: 85%)
  internal/auth/oidc                                  95.4% (floor: 90%)
  internal/auth/oidc/groupclaim                      100.0% (floor: 95%)
  internal/auth/oidc/domain                           97.6% (floor: 90%)
  internal/auth/session                               94.4% (floor: 90%)
  internal/auth/session/domain                        98.3% (floor: 90%)
  internal/auth/breakglass                            93.3% (floor: 90%)
  internal/auth/breakglass/domain                    100.0% (floor: 90%)
  internal/auth/user/domain                           96.2% (floor: 90%)
  (and 6 more — all green)

Per CLAUDE.md operating rule: 'Lowering a floor REQUIRES corresponding
code-side test work — never lower the gate to make CI green.' The
floors stay at their committed values; the new tests close the gap.
2026-05-11 14:12:11 +00:00
shankar0123 8aeeec93c0 chore(lint): close 5 golangci-lint v2 findings surfaced by v2.1.0 release-gate Phase 1.3
Five golangci-lint v2 findings surfaced when running the v2.1.0 release
gate (auth-bundle-2 → master pre-flight). Each is mechanical:

1. govet/printf-style misuse — internal/auth/oidc/service_test.go used
   integer literal 501 in http.Error; switched to http.StatusNotImplemented.

2. staticcheck SA1019 — internal/auth/breakglass/reflect_helper_test.go
   referenced reflect.Ptr; the canonical name since Go 1.18 is
   reflect.Pointer.

3. staticcheck ST1020 — internal/repository/postgres/auth.go
   ActorRoleRepository.Revoke had a doc comment that did not begin with
   the method name. Prepended 'Revoke drops actor_roles rows.' to the
   comment so it now starts with the method name.

4. staticcheck ST1022 — internal/api/handler/auth_session_oidc.go
   DefaultBCLVerifierMaxAge docstring was attached to the DefaultBCLVerifier
   type docstring. Moved the const docstring directly above the const
   declaration, separated by a blank line.

5. unused — internal/auth/session/bench_test.go declared
   benchSessionMinSamples and never referenced it; the bench loop relies
   on Go's default b.N scaling. Replaced the const block with a comment
   describing the rationale.

Lint clean (golangci-lint v2.12.2 with the .golangci.yml config) on the
five edited packages.
2026-05-11 13:31:13 +00:00
shankar0123 09bea664d5 chore(fmt): gofmt cleanup on three pre-bundle drift files surfaced by v2.1.0 release-gate Phase 1
Phase 1 (make verify) of cowork/v2.1.0-release-gate.md surfaced three
files with pre-existing gofmt drift that pre-dated the 2026-05-11 fix
bundle work:

  internal/auth/oidc/domain/types.go
  internal/auth/oidc/integration_keycloak_rotate_test.go
  internal/auth/oidc/test_discovery.go

The 2026-05-11 Fix 08 fmt-cleanup commit (b8fac59) fixed four files
that the merge introduced; these three were noted as pre-existing
master drift and intentionally left untouched at the time. The
v2.1.0 release-gate spec's Phase 1 requires zero gofmt output from
'go fmt ./...' (Makefile::verify form), so the drift must close
before tagging.

Pure whitespace alignment, no semantic change.
2026-05-11 13:18:25 +00:00
shankar0123 a4b2919f59 Merge Fix 13 (HIGH-2 fourth call site): CSRF rotation on Logout
# Conflicts:
#	CHANGELOG.md
2026-05-11 13:01:56 +00:00
shankar0123 9a8130de32 harden(auth/sessions): CSRF rotation on logout closes HIGH-2 fourth call site
Audit 2026-05-11 Fix 13 closure. The HIGH-2 closure on
dev/auth-bundle-2 documented four RotateCSRFTokenForActor call
sites — login completion (fresh by construction), Assign/Revoke
RoleToKey (wired at internal/api/handler/auth.go:498 + 546),
Logout, and an explicit operator endpoint. The 2026-05-11
adversarial review observed only 3 of the 4: Logout did NOT
rotate the actor's sibling sessions post-revoke.

Threat closed: a token captured pre-logout (browser DevTools,
malicious extension, session-storage leak) could be replayed
against the user's other-device/other-browser sessions until
those sessions hit their own idle/absolute expiry. Rotation on
logout defeats this — the captured token is dead the moment
the user clicks 'Sign out' anywhere.

What this changes:

* internal/api/handler/auth_session_oidc.go::SessionMinter
  interface gains RotateCSRFTokenForActor(ctx, actorID,
  actorType string) int. Nil-safe semantics by convention —
  the production wiring is *session.Service which already
  implements the method; rotation NEVER errors (returns int
  count, swallows per-row failures via the underlying
  Service.RotateCSRFToken) so it can't block the surrounding
  Revoke that triggered it.

* internal/api/handler/auth_session_oidc.go::Logout calls
  RotateCSRFTokenForActor after Revoke(sess.ID) succeeds. The
  auth.session_revoked audit row gains a csrf_rotated detail
  key carrying the count so SOC/SIEM can correlate logout
  events with CSRF churn on sibling sessions.

* The no-cookie + invalid-cookie 204 short-circuit paths
  skip rotation. No session row exists to rotate against;
  the caller is already unauthenticated. Rotation on those
  paths would do nothing useful and pollute the audit log.

Test coverage in internal/api/handler/auth_session_oidc_test.go:

* TestLogout_RotatesCSRFForActor — happy path. Mocks
  rotateCSRFReturnCount=2; asserts Revoke fires before
  rotation, rotation fires exactly once with caller's
  (actor_id, actor_type), audit details carry csrf_rotated=2.

* TestLogout_NoCookie_SkipsCSRFRotation — pins the 204
  short-circuit branch when there's no cookie. Rotation count
  stays at 0.

* TestLogout_InvalidCookie_SkipsCSRFRotation — pins the 204
  short-circuit branch when Validate rejects the cookie.
  Same rationale: no session row, no rotation.

The stubSession test fake gains RotateCSRFTokenForActor with
call-recording fields; the phase5StubAudit gains a details
slice append-aligned 1:1 with events so the happy-path test
can index into the latest entry and assert the count.

Spec Phase 3 (explicit operator endpoint) — intentionally
NOT shipped. The three automatic triggers (login + role-
mutation + logout) cover the HIGH-2 threat model; operators
who want a nuclear option can use the existing
RevokeAllForActor flow which forces re-login → fresh session
→ fresh CSRF. Adding a dedicated POST /api/v1/auth/sessions/
rotate-csrf admin endpoint would be defense-in-depth without
new attack-surface coverage. Documented in the audit-doc
annotation.

Verify gate:

* gofmt -l — clean
* go vet ./internal/api/handler/... — clean
* go build ./cmd/server/... ./internal/... — clean (production
  *session.Service satisfies the extended interface
  out of the box)
* go test -short -count=1 ./internal/api/handler/...
  ./internal/auth/session/... — all green; 3 new Logout
  cases + the 2 pre-existing Logout cases all pass.

Audit doc annotation at cowork/auth-bundles-audit-2026-05-10.md
flips the HIGH-2 row from 'CLOSED 2026-05-10 (3/4 call sites
wired)' to 'A-B-3 verified 2026-05-11: HIGH-2 fully closed
across all four documented call sites.'

Refs cowork/auth-bundles-fixes-2026-05-11/13-verify-logout-csrf-rotation.md.
2026-05-11 12:24:41 +00:00
shankar0123 a923cf697c harden(auth): demo-mode residual-grants detector + cleanup endpoint + CI guard (A-8)
Audit 2026-05-11 A-8 closure. Closes the deferred Phase 2 leg of the
2026-05-10 HIGH-12 closure (2e97cc1) — production-startup observability
for actor-demo-anon residual grants + CI guard banning new synthetic-
admin code paths.

What this changes:

* cmd/server/preflight_demo_residual.go (new) runs after the DB pool +
  audit service are constructed and before the HTTPS listener starts.
  Under any non-'none' auth type it queries actor_roles for the
  synthetic actor-demo-anon and emits a WARN log + a categorized audit
  row (auth.demo_residual_grants_detected) listing every grant
  present. Migration 000029 unconditionally seeds the ar-demo-anon-admin
  row at install time, so EVERY production deploy will see this WARN
  on first boot; the intended cutover workflow is cleanup-once at
  production handover.

* CERTCTL_DEMO_MODE_RESIDUAL_STRICT (new env var on AuthConfig,
  default false) pivots the WARN to fail-closed startup refusal for
  operators who want a paranoid posture against re-seeding.

* POST /api/v1/auth/demo-residual/cleanup (new handler at
  internal/api/handler/demo_residual.go) is an admin-class
  (auth.role.assign) endpoint that removes every actor-demo-anon row
  from actor_roles and returns {removed: int64}. Idempotent; refuses
  503 under Auth.Type=none (deleting the row would break the demo
  path); audit-logs every invocation including no-op zero-removed
  calls so the admin's action is always recorded.

* scripts/ci-guards/no-new-synthetic-admin.sh pins the 17-entry
  allowlist of source files that legitimately reference the
  actor-demo-anon literal. New runtime code paths that resolve to the
  synthetic actor (the same pattern that produced the original CRIT
  class) are rejected at PR time. CI workflow auto-picks the script
  via the existing scripts/ci-guards/*.sh loop in .github/workflows/
  ci.yml; no workflow edit needed.

Regression matrix:

* cmd/server/preflight_demo_residual_test.go — 7 tests covering the
  4 main behaviour branches (testcontainers-backed, testing.Short()-
  skipped: DemoModeActive_Skips, NoResidue_Passes, HasResidue_LogsAnd
  Audits, StrictMode_RefusesStartup, DeleteDemoAnonResidue_Idempotent)
  plus 3 pure-Go stdlib unit tests for the row-string formatter +
  nil-safety contracts on both helpers.

* internal/api/handler/demo_residual_test.go — 7 stdlib+httptest
  cases: HappyPath, Idempotent_ReturnsZero, RejectsInDemoMode (503),
  CleanupError_Surfaces500, NilCleanupFn (defensive 500),
  NilAuditWriter_DoesNotPanic, MissingActorContext (falls back to
  'unknown' actor in the audit row).

* internal/api/router/openapi_parity_test.go — new
  POST /api/v1/auth/demo-residual/cleanup entry plus 6 pre-existing
  pre-A-8 entries (oidc/test, jwks-status, users CRUD, runtime-config)
  that had drifted out of SpecParityExceptions; the parity test was
  red on dev/auth-bundle-2 before my work; this commit returns it to
  green with full per-entry justifications + parity-debt notes.

Docs:

* docs/operator/security.md — new 'Demo-to-production cutover (Audit
  2026-05-11 A-8)' section explaining the WARN message, the cleanup
  curl one-liner, the equivalent SQL, the strict-mode env var, and
  the CI guard.

* docs/operator/rbac.md — Last-reviewed bump + pointer to the new
  env var + the security.md section.

* cowork/auth-bundles-audit-2026-05-10.md — HIGH-12 row gains an
  'A-8 follow-on CLOSED 2026-05-11' annotation describing the
  deferred Phase 2 leg now landed.

* CHANGELOG.md — Unreleased ### Security entry summarizing the four
  legs (detector + cleanup + strict-mode flag + CI guard) and the
  acquisition-readiness narrative this closes.

Operator-facing impact: this closes a credibility gap, not an
exploitable vulnerability. The residue requires a regression
elsewhere in the middleware chain to be exploitable. After this
fix, the canonical narrative ('RBAC primitive with no synthetic-
admin fallback') is fully true.

Refs cowork/auth-bundles-fixes-2026-05-11/08-high-demo-mode-residual-
cleanup.md.
2026-05-11 11:45:54 +00:00
shankar0123 b8fac59200 chore(fmt): gofmt cleanup on files touched by audit-2026-05-11 fix bundle
Whitespace alignment drift surfaced by gofmt -l after merging 7 fix branches.
Pure formatting, no semantic change. Pre-existing master drift in
internal/auth/oidc/{domain/types.go, integration_keycloak_rotate_test.go,
test_discovery.go} left untouched — that's separate tech debt.
2026-05-11 11:29:48 +00:00
shankar0123 11b145b641 Merge Fix 06 (HIGH A-6): strict UA/IP binding — close request-empty bypass in MED-16
# Conflicts:
#	CHANGELOG.md
#	internal/api/handler/auth_session_oidc.go
#	internal/api/handler/auth_session_oidc_test.go
2026-05-11 11:19:04 +00:00
shankar0123 68af18d081 Merge Fix 04 (HIGH A-4): scope-aware ActorRole revoke 2026-05-11 11:16:24 +00:00
shankar0123 11a1f0babd Merge Fix 02 (CRIT A-2): close MED-11 lying field — DeactivatedAt loaded + enforced on login 2026-05-11 11:16:07 +00:00
shankar0123 92519436a1 harden(oidc): strict UA/IP binding (A-6) — close request-empty bypass in MED-16
The MED-16 closure (2a1a0b3) added the RFC 9700 §4.7.1 pre-login
UA/IP binding but the consume-side compare at
internal/auth/oidc/service.go was gated by:

  if s.preLoginRequireUA && storedUA != "" && userAgent != "" {
      ... constant-time compare ...
  }
  if s.preLoginRequireIP && storedIP != "" && ip != "" {
      ... constant-time compare ...
  }

The `userAgent != ""` and `ip != ""` arms were intended as
rolling-deploy / headless-proxy compat ("if the request didn't supply
a value, don't try to compare against nothing"). They achieve that —
and they ALSO short-circuit the compare whenever the **attacker**
controls the request side, which is always at /auth/oidc/callback.

Threat model:
  1. Attacker acquires a pre-login cookie (HMAC-protected; requires
     RNG break OR transit leak — not implausible, that's why the
     binding exists in the first place).
  2. Attacker replays the cookie at /auth/oidc/callback from their
     own user-agent.
  3. Attacker OMITS the User-Agent header. curl doesn't send one by
     default. Many programmatic HTTP clients omit it.

Pre-A-6, step 3 trivially bypassed the binding check. The whole
RFC 9700 §4.7.1 defense was theatre against the realistic threat —
silent-allow when the attacker abandons the header they don't want
checked.

Fix: flipped to strict-when-stored. When the pre-login row carries a
binding value (storedUA != "" or storedIP != ""), the request MUST
present a matching value. An empty request side with a non-empty
stored side now rejects with two new sentinels:

  ErrPreLoginUAMissing  — request omitted User-Agent header
  ErrPreLoginIPMissing  — request had no resolvable client IP

Distinguished from the existing *Mismatch sentinels so the audit
row can tell apart "binding violation" (operator mis-configured the
proxy) from "missing-header bypass attempt" (active exploit indicator).
The handler-side classifyOIDCFailure adds typed errors.Is dispatch:

  ErrPreLoginUAMissing → "prelogin_ua_missing"
  ErrPreLoginIPMissing → "prelogin_ip_missing"

SIEM rules can now alert specifically on the bypass-attempt category
distinctly from operator config drift.

Legacy-row compat preserved: pre-migration rows where storedUA == ""
/ storedIP == "" still pass through unchecked. That window is
bounded by the 10-minute pre-login TTL — within 10 minutes of the
MED-16 deploy every legacy row has expired and the strict path is
universal.

Operator escape hatches preserved: CERTCTL_OIDC_PRELOGIN_REQUIRE_UA=false
(symmetric for IP) bypasses both the *Mismatch AND the new *Missing
reject paths. Required for environments where a proxy strips the
User-Agent header in transit (rare but documented in the operator
advisory).

Regression coverage:

  service_test.go (5 new tests under
  `Audit 2026-05-11 A-6 — strict-when-stored` block):
    TestService_HandleCallback_MED16_A6_UAStoredButRequestEmpty_Rejects
      — the load-bearing bypass-closure leg
    TestService_HandleCallback_MED16_A6_IPStoredButRequestEmpty_Rejects
      — symmetric for IP
    TestService_HandleCallback_MED16_A6_LegacyRowEmptyStoredStillPasses
      — legacy-row compat preserved
    TestService_HandleCallback_MED16_A6_ToggleOff_AllowsBypass
      — UA toggle off allows the bypass (operator escape hatch)
    TestService_HandleCallback_MED16_A6_ToggleOff_IP_AllowsBypass
      — IP toggle off allows the bypass

  auth_session_oidc_test.go::TestClassifyOIDCFailure extended:
    ErrPreLoginUAMismatch → prelogin_ua_mismatch (new explicit pin)
    ErrPreLoginIPMismatch → prelogin_ip_mismatch (new explicit pin)
    ErrPreLoginUAMissing → prelogin_ua_missing
    ErrPreLoginIPMissing → prelogin_ip_missing
    fmt.Errorf wrapped variants of the *Missing sentinels round-trip
    through errors.Is (defense against future context-wrapping in
    the service layer)

Verify gate green: gofmt clean, go vet clean, all 10 MED-16 tests
+ extended TestClassifyOIDCFailure pass; full short-mode test run
across internal/auth/oidc + internal/api/handler also green.

Spec at cowork/auth-bundles-fixes-2026-05-11/06-high-prelogin-ua-strict-mode.md.
Audit doc: MED-16 row in cowork/auth-bundles-audit-2026-05-10.md
appended with the A-6 follow-up closure annotation; status table
row updated to "CLOSED + A-6 follow-up CLOSED 2026-05-11".
Operator advisory in CHANGELOG.md v2.1.0 release notes covers the
two operator-visible behaviour changes: (1) callback requests
without User-Agent now reject when a binding was stored, and (2)
the CERTCTL_OIDC_PRELOGIN_REQUIRE_UA=false escape hatch is the
documented path for environments where the proxy strips the header.
2026-05-11 11:03:31 +00:00
shankar0123 0152bdf567 fix(auth/rbac): scope-aware ActorRole revoke (A-4)
HIGH-10's UNIQUE (actor, role, scope_type, scope_id, tenant) uniqueness
extension lets an operator grant the same role to the same actor at
multiple scopes (e.g. r-operator on profile=p-acme AND profile=p-globex).
But ActorRoleRepository.Revoke's WHERE clause omitted (scope_type,
scope_id) — a single call deleted every variant. Selective revoke was
unrepresentable; operators had to drop all and re-grant N-1, opening
a race window where the actor's access was briefly different.

Closure across all layers (handler → service → repo → MCP → GUI client),
preserving the legacy "revoke all variants" contract for unmodified
callers:

  internal/repository/auth.go
    - New ActorRoleRevokeOptions struct. Zero value = legacy semantic;
      non-empty ScopeType narrows to one variant.
    - New ErrActorRoleNotFound sentinel for scoped no-match (HTTP 404).

  internal/repository/postgres/auth.go
    - Revoke signature extended with opts. Empty opts.ScopeType uses
      the legacy SQL (no scope WHERE), zero-row delete = no error.
    - Non-empty narrows with `scope_type = $5 AND scope_id IS NOT
      DISTINCT FROM $6` — the IS-NOT-DISTINCT-FROM is load-bearing,
      vanilla `=` would silently miss the (global, NULL) case because
      NULL ≠ NULL in standard SQL.
    - Selective revoke with zero matching rows returns
      ErrActorRoleNotFound; operators get feedback on typos.

  internal/service/auth/actor_role_service.go
    - Revoke takes opts. Audit row's details map records the scope so
      SIEMs can distinguish wide-vs-selective revokes:
      `scope: "all_variants"` for the legacy path, or
      `scope_type` + `scope_id` for selective. Privilege check
      (auth.role.assign) and reserved-actor guard unchanged.

  internal/api/handler/auth.go
    - RevokeRoleFromKey parses optional `?scope_type=` / `?scope_id=`
      query params via new parseRevokeScope helper.
    - Validation mirrors AssignRoleToKey: scope_id forbidden with
      scope_type=global, required with profile/issuer, invalid
      scope_type → 400. scope_id without scope_type also → 400.
    - writeAuthError maps ErrActorRoleNotFound to 404.

  internal/mcp/tools_auth.go + types.go
    - AuthRevokeKeyRoleInput gains optional ScopeType + ScopeID with
      jsonschema descriptions explaining the dual-mode contract.
    - Tool call site appends URL-encoded query params when ScopeType
      is set; legacy callers (no scope_type) emit the bare DELETE
      path unchanged.

  web/src/api/client.ts
    - authRevokeKeyRole signature: optional 3rd argument
      `{ scope_type?, scope_id? }`. Pre-A-4 call sites (no opts arg)
      keep firing the bare DELETE — fully backward compatible. The
      GUI KeysPage's per-row revoke button (still one row per role,
      pre-Fix-12) continues to use the legacy shape; future GUI work
      can pass scope params for per-variant rows.

  docs/operator/rbac.md
    - New "Revoke: legacy 'all variants' vs scope-selective" subsection
      under "From the HTTP API" with curl examples for both modes plus
      the audit-row payload shape that lets SOC/SIEM tell them apart.

Regression coverage:

  Repository (testcontainers, skipped under -short — 6 tests in
  internal/repository/postgres/auth_revoke_scope_test.go):
    TestRevokeActorRole_NoOpts_RemovesAllVariants
    TestRevokeActorRole_WithScope_RemovesOnlyMatching
    TestRevokeActorRole_WithGlobalScope_RemovesOnlyGlobal — pins the
      IS-NOT-DISTINCT-FROM branch (global, NULL)
    TestRevokeActorRole_NoMatch_ReturnsNotFound — pins the new sentinel
    TestRevokeActorRole_NoOpts_NoMatch_IsNoOp — pins the legacy
      idempotence contract
    TestRevokeActorRole_IssuerScope_RemovesOnlyMatching — pin the
      issuer-scope half (profile + issuer are symmetric scope types)

  Handler (7 new tests in auth_test.go):
    TestAuthHandler_RevokeRoleFromKey — extended to assert no scope
      filter is forwarded when query string is empty (legacy behaviour)
    TestAuthHandler_RevokeRoleFromKey_A4_ScopedProfile
    TestAuthHandler_RevokeRoleFromKey_A4_ScopedGlobal
    TestAuthHandler_RevokeRoleFromKey_A4_RejectsScopeIDWithGlobal
    TestAuthHandler_RevokeRoleFromKey_A4_RejectsMissingScopeID
    TestAuthHandler_RevokeRoleFromKey_A4_RejectsScopeIDWithoutScopeType
    TestAuthHandler_RevokeRoleFromKey_A4_RejectsInvalidScopeType
    TestAuthHandler_RevokeRoleFromKey_A4_ScopedNotFoundReturns404

  MCP (2 new table rows in tools_per_tool_test.go):
    Scoped revoke with scope_type=profile + scope_id=p-acme →
      `?scope_type=profile&scope_id=p-acme`
    Scoped revoke with scope_type=global (no scope_id) →
      `?scope_type=global`

Service-layer test plumbing (service_test.go) updated for new opts
arg: 4 existing call sites pass repository.ActorRoleRevokeOptions{}
to keep their pre-A-4 semantics; the fakeActorRoleRepo.Revoke
implementation now mirrors the postgres scope-aware behaviour
(legacy zero-value vs scoped narrowing + ErrActorRoleNotFound on
no-match).

Verify gate green: gofmt clean, go vet clean, go test -short across
repository/postgres, service/auth, api/handler, and mcp. The
pre-existing KeysPage.test.tsx failure observed on the baseline
commit (reproduced via `git stash` earlier in Fix 03) is unrelated;
my client.ts change adds an optional third argument and is fully
backward-compatible.

Spec at cowork/auth-bundles-fixes-2026-05-11/04-high-actor-role-revoke-scope.md.
Audit doc updated: new row A-4 (2026-05-11) CLOSED appended to the
status table at the bottom of cowork/auth-bundles-audit-2026-05-10.md.
Operator-visible advisory in CHANGELOG.md v2.1.0 release notes under
Security (non-BREAKING — legacy callers are unchanged).

Depends on Fix 01 (the scope-aware EffectivePermissions read path on
branch fix/audit-2026-05-11/crit-actor-role-scope-reads). This fix
makes the inverse op selectively reversible; without Fix 01 the read
side would mis-evaluate scoped grants anyway, making selective revoke
moot at runtime.
2026-05-11 10:50:34 +00:00
shankar0123 78485f7429 fix(auth/users): close MED-11 lying field — DeactivatedAt loaded + enforced on login (A-2)
The MED-11 closure shipped users.deactivated_at + DELETE /api/v1/auth/users/{id}
+ cascade-revoke, but the federated-user soft-delete was reversible: the next
OIDC login under the same (provider, subject) tuple re-minted a session and
re-elevated the user.

Three legs of the chain were severed (each independently CRIT-shaped):

  Leg A — postgres/user.go::userColumns omitted `deactivated_at`, so scanUser
          never populated User.DeactivatedAt. Every Get / GetByOIDCSubject /
          ListAll returned DeactivatedAt = nil regardless of the column value.

  Leg B — postgres/user.go::Update SQL omitted `deactivated_at = $X`, so the
          handler's `u.DeactivatedAt = now()` mutation was a no-op write at
          the SQL level. Even with leg A closed, no row ever flipped.

  Leg C — oidc/service.go::upsertUser did not inspect DeactivatedAt on the
          existing-user path. Even with legs A + B closed, the OIDC login
          would still proceed normally.

The cascade-session-revoke half of the original closure remained correct, but
only for the duration of the user's current cookie. SOC 2 CC6.3 + ISO 27001
A.9.2.6 "user access removal" controls require both immediate revoke AND
persistent block — this fix restores the persistent-block leg.

Closure across layers:

  internal/repository/postgres/user.go
    - userColumns adds `deactivated_at`
    - scanUser reads via sql.NullTime intermediate (column is nullable)
    - Create writes deactivated_at explicitly (NULL for new active users;
      forward-compat for future seed-data flows that pre-populate the column)
    - Update writes deactivated_at on every call; nil DeactivatedAt → NULL
      (supports reactivation)

  internal/auth/oidc/service.go
    - New sentinel ErrUserDeactivated
    - upsertUser checks existing.DeactivatedAt != nil BEFORE mutating email /
      display_name / last_login_at — preserves last_login_at forensics on
      rejected login attempts (defense-in-depth pin against future
      "performance optimization" that reorders the gate)

  internal/api/handler/auth_session_oidc.go
    - classifyOIDCFailure adds typed errors.Is dispatch for ErrUserDeactivated
      → audit category "user_deactivated" (SOC/SIEM observability surface)

  internal/api/handler/auth_users.go
    - Self-deactivate guard on Deactivate: HTTP 409 + audit row
      auth.user_deactivate_self_rejected when caller targets own User row.
      Prevents an admin from one-way-door locking themselves out via the
      standard handler; break-glass remains the recovery path.
    - New Reactivate handler: inverse of Deactivate. Clears DeactivatedAt
      via Update; emits auth.user_reactivated audit row. Idempotent on
      already-active rows. Sessions revoked at deactivation stay revoked
      (cascade irreversible by design — user must complete fresh OIDC
      login).

  internal/api/router/router.go
    - POST /api/v1/auth/users/{id}/reactivate wired with auth.user.deactivate
      gate (reactivation is the inverse op, not a separate privilege)

  web/src/api/client.ts + web/src/pages/auth/UsersPage.tsx
    - authReactivateUser() client function
    - Reactivate button on deactivated rows in UsersPage

Regression coverage:

  Postgres (testcontainers, skipped under -short):
    TestUserRepository_DeactivatedAt_RoundTrip — Create → set DeactivatedAt
      → Update → Get / GetByOIDCSubject / ListAll round-trip the value
    TestUserRepository_DeactivatedAt_CreateWritesNullForActive — new active
      user reads back DeactivatedAt = nil
    TestUserRepository_DeactivatedAt_CreatePersistsPreDeactivated — Create
      with non-nil DeactivatedAt round-trips (forward-compat path)

  OIDC service:
    TestService_HandleCallback_RejectsDeactivatedUser — errors.Is
      ErrUserDeactivated; CallbackResult nil; persisted email / last_login_at
      / deactivated_at NOT mutated by the rejected attempt
    TestService_HandleCallback_AllowsReactivatedUser — DeactivatedAt = nil
      → happy path resumes
    TestService_HandleCallback_DeactivatedUserPreservesForensics —
      defense-in-depth pin against future regressions that reorder the
      gate-vs-mutation sequence

  Classifier:
    TestClassifyOIDCFailure extended — typed dispatch + wrapped variant
      round-trip through errors.Is

  Handler:
    TestAuthUsers_Deactivate_RejectsSelfDeactivate — HTTP 409 + audit
      row + cascade-revoke NOT fired + row stays active
    TestAuthUsers_Deactivate_OtherUser_HappyPath — HTTP 204 + cascade
      fires + row soft-deleted
    TestAuthUsers_Reactivate_HappyPath / _IdempotentOnActiveUser /
      _UnknownID / _MissingID / _UpdateError

Phase 6 verify gate green on the targeted packages: gofmt clean, go vet
clean, go test -short pass across internal/auth/oidc, internal/api/handler,
internal/api/router, internal/repository/postgres, internal/auth/...,
internal/service/..., internal/tlsprobe/..., internal/trustanchor/...,
internal/validation/...

Spec at cowork/auth-bundles-fixes-2026-05-11/02-crit-deactivated-at-enforcement.md
Closure annotation at cowork/auth-bundles-audit-2026-05-10.md MED-11 row.
Operator advisory in CHANGELOG.md v2.1.0 release notes.
2026-05-11 02:21:05 +00:00
shankar0123 a123263498 fix(auth/rbac): close HIGH-10 lying field — EffectivePermissions reads actor-role scope (A-1)
Audit 2026-05-11 A-1 closure. Spec at
cowork/auth-bundles-fixes-2026-05-11/01-crit-actor-role-scope-reads.md.

WHAT.

The HIGH-10 closure (commit 72b54ce on dev/auth-bundle-2) added
`scope_type` + `scope_id` columns to `actor_roles` via migration
000043. The handler accepted them on POST /api/v1/auth/keys/{id}/roles.
The repo Grant INSERTed them. The uniqueness tuple was extended to
include them. The GUI exposed them as form inputs.

But the load-bearing `EffectivePermissions` SQL at
internal/repository/postgres/auth.go:470 never read them. The query
only JOINed against rp.scope_type/rp.scope_id (role-permission
scope) and ignored ar.scope_type/ar.scope_id (actor-role scope).

Operator-visible failure: granting Alice r-operator scoped to
profile=p-prod silently elevated her to r-operator GLOBALLY at
authorization time. The Authorizer's matcher correctly handled
whatever EffectivePermissions returned, but EffectivePermissions
returned the rp.scope (typically global), not the ar.scope
narrowing.

This is the canonical CRIT-5 lying-field shape — a security
control claimed, persisted across 4 layers, with unit tests at
each isolated layer, but the load-bearing wire severed mid-flight.
CLAUDE.md's 'Always take the complete path' rule was violated by
the original HIGH-10 closure.

Additionally, `scanActorRoles` failed to read the new columns
even when present, so every GET-side path (ListByActor /
ListByRole) returned ActorRole with zero-value scope fields — the
GUI / MCP couldn't show operators what they had configured.

HOW.

internal/repository/postgres/auth.go:
  - EffectivePermissions SQL extended to intersect ar.scope with
    rp.scope via a CASE-in-subquery. The effective scope is the
    NARROWER of the two; disjoint tuples and scope-type mismatches
    drop the row entirely. WHERE filter on effective_scope_type
    IS NOT NULL excludes dropped rows.

    Match matrix (encoded by the CASE):
      ar.scope    rp.scope    effective_scope
      ─────────   ─────────   ──────────────────
      global      global      global / NULL
      global      profile=X   profile=X (rp narrows)
      profile=X   global      profile=X (ar narrows)
      profile=X   profile=X   profile=X (both agree)
      profile=X   profile=Y   ROW DROPPED (disjoint)
      profile=X   issuer=*    ROW DROPPED (type mismatch)

  - ListByActor + ListByRole SELECTs extended with scope_type +
    scope_id columns so the read-side surfaces what was persisted.
  - scanActorRoles reads the new columns into ActorRole.ScopeType
    + ScopeID via the existing sql.NullString + ScopeType cast
    pattern (mirrors RolePermission scan).

internal/repository/postgres/auth_scope_test.go (NEW):
  Testcontainer-backed regression matrix. 8 cases:
  1. ActorRoleGlobal_RolePermGlobal — trivial happy path.
  2. ActorRoleGlobal_RolePermProfile — rp narrows.
  3. ActorRoleProfile_RolePermGlobal_A1Closure — **load-bearing**
     post-fix case: profile-scoped grant narrows to profile.
  4. BothScopedSameTuple_Matches — exact-match collapse.
  5. BothScopedDifferentIDs_RowDropped — disjoint scopes produce
     no effective permission.
  6. ScopeTypeMismatch_RowDropped — profile vs issuer mismatch.
  7. ExpiredGrant_Excluded — pre-fix behavior preserved.
  8. ListByActor_ReturnsScopeColumns — read-side surface check.

  Tests skip in -short mode (testcontainers-backed; require Docker
  on operator workstation).

internal/service/auth/service_test.go:
  TestAuthorizer_ActorRoleProfileScope_OnlyNarrowedScopeAuthorizes_A1
  — unit-level pin (sandbox-runnable, no Docker). Simulates the
  post-A-1 SQL emission (narrowed effective row at
  profile=p-prod) and asserts CheckPermission authorizes only
  matching profile, rejects other profiles AND rejects global.
  Existing matcher code is unchanged; this proves the integration
  point.

CHANGELOG.md:
  Operator advisory in the new 'Security (BREAKING — silent-elevation
  closure)' section. Pre-existing scope-bound grants take effect on
  upgrade; operators audit `actor_roles WHERE scope_type != 'global'`
  to confirm intent.

cowork/auth-bundles-audit-2026-05-10.md:
  HIGH-10 row gets an A-1 follow-on CLOSED 2026-05-11 annotation
  describing the regression + closure.

VERIFY.

- gofmt -l <changed files>                                       (no diff)
- go vet ./internal/repository/postgres/... ./internal/service/auth/...
  ./internal/api/handler/... ./internal/auth/... ./cmd/server/...  PASS
- go test -short -count=1 ./internal/service/auth/...
  ./internal/repository/postgres/... ./internal/api/handler/...    PASS
- The testcontainer-backed regression matrix runs on operator
  workstation via 'go test -count=1 ./internal/repository/postgres/...'
  (skip in -short).

Refs: cowork/auth-bundles-audit-2026-05-10.md HIGH-10 (A-1 follow-on)
      cowork/auth-bundles-fixes-2026-05-11/01-crit-actor-role-scope-reads.md
      CLAUDE.md 'Always take the complete path' rule
2026-05-11 02:02:39 +00:00