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pn-new-crm/docs/audit-findings-tmp/03-routes-auth.md
Matt 4b5f85cb7d fix(audit): comprehensive 2026-05-15 audit fix wave + Documenso v2 polish
Bundles the prior session's 50-task fix sweep (Documenso v2 + EOI/signing-
progress redesign + env-to-admin migration + dev-mode banner) with the
2026-05-18 audit fix wave (3 CRITICAL, 14 HIGH, 28 MEDIUM, 6 LOW).

CRITICAL (3):
 - C-01 interest-berths INNER JOIN -> LEFT JOIN so hard-deleted berths
   no longer silently drop interest links
 - C-02 /setup added to PUBLIC_PATHS; fresh-deploy bootstrap loop fixed
 - C-03 generic PATCH /interests/[id] no longer accepts pipelineStage —
   callers must go through /stage with the override-guard chain

HIGH (14/15):
 - H-01 explicit ON DELETE on previously-implicit NO ACTION FKs across
   interests/documents/reservations/reminders/invoices (migration 0070)
 - H-02 login page reads ?redirect= param with same-origin guard
 - H-03 CRM invite token moves to URL fragment so it never lands in
   nginx access logs / Referer headers
 - H-04 Retry-After header on sign-in-by-identifier 429 (RFC 6585 §4)
 - H-05 toggleAccount writes an audit row
 - H-06 upsertSetting masks any value whose key ends with _encrypted
 - H-07 archiveClient cascade fires per-interest audit rows
 - H-08 createSalesTransporter applies SMTP_TIMEOUTS
 - H-09 AppShell stable children — viewport flip across breakpoint no
   longer destroys in-progress form drafts
 - H-10 portal documents page swaps Unicode glyph status icons for
   Lucide CheckCircle2/XCircle/Circle + aria-labels
 - H-12 list components swap alert(...) for toast.warning(...)
 - H-13 5 icon-only buttons gain aria-label
 - H-14 parseBody treats empty bodies as {}
 - H-15 admin layout renders a 403 panel instead of silent bounce
 - H-11 not applicable — mobile-search-overlay IS a mobile bottom-sheet

MEDIUM (28+):
 - M-MT01-05 defense-in-depth port_id/parent-id filters on UPDATE/DELETE
   WHEREs across custom-fields, notes (all 6 entity types x update +
   delete), client-contacts, yacht ownerClient lookup, webhook reads
 - M-D01 documents-hub realtime event-name typo (file:created -> uploaded)
 - M-EM01 portal-auth emails thread through portId
 - M-EM02 sendEmail accepts cc/bcc params
 - M-EM04 notification_digest catalog key
 - M-IN01 portal presigned download URLs use 4h TTL
 - M-IN02 OpenAI client lazy-instantiated
 - M-IN04 stale pdfme refs updated to pdf-lib AcroForm
 - M-IN05 umami.testConnection returns tagged union
 - M-L01 reservations tenure_type unified with berths
 - M-L02 report-generators canonicalize stage values
 - M-AU01 audit log placeholder copy fixed
 - M-AU04 outcome_set / outcome_cleared distinct audit verbs
 - M-NEW-2 activity feed entity name+type separator
 - M-R01 portal allowlist narrowed + portal_session backstop in proxy
 - M-SC02 companies archived partial index
 - M-SC04 audit_logs.searchText documented as DB-managed
 - M-S01 storage_s3_access_key_encrypted admin field
 - M-U01 audit log empty state uses <EmptyState>
 - M-U09 invoice delete dialog -> <AlertDialog>
 - M-U10 toast.success on ClientForm + InterestForm create/edit
 - M-U11 settings-form-card logo preview alt text
 - M-U14 mobile topbar title on clients/yachts/interests/berths
 - M-U15 Invoices in mobile More-sheet

LOW (6/8):
 - L-AU01 severity defaults for security-relevant verbs
 - L-AU02 +13 missing actions in admin audit filter
 - L-AU03 +7 missing entity types in admin audit filter
 - L-AU04 dead listAuditLogs stubbed
 - L-D02 CLAUDE.md Owner-wins chain tightened

Bonus — Document detail polish (#67 partial, 3/6 deliverables):
 - state-aware action button per signer
 - watcher Add UI with display-name resolution
 - cleanSignerName cleanup

Prior session work bundled in:
 - Documenso v2 webhook + envelope-ID normalization + sequential signing
 - SigningProgress UI redesign (avatars, per-signer state, timestamps)
 - env->admin settings registry + RegistryDrivenForm + encrypted creds
 - Embedded-signing card + Test connection + setup help
 - Dev-mode EMAIL_REDIRECT_TO banner
 - Pipeline rules admin page
 - Sales email config card
 - Audit log details Sheet
 - EOI tab: Finalising badge, absolute timestamps, sequential indicator
 - Notes pipeline_stage_at_creation (migration 0069)
 - Documenso numeric ID dual-key webhook (migration 0068)
 - Dimensions criterion copy (migration 0067)

Tests: 1374/1374 vitest pass. tsc clean. lint clean.

See docs/AUDIT-FIX-WAVE-2026-05-18.md for the full progress report and
the user-input items still pending.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-18 13:28:50 +02:00

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7.2 KiB
Markdown

# Routes/Middleware/Auth Audit (R-016-029, S-09-13, S-17-19) — agent #3
**Headline:** 1 critical (`/setup` unreachable on fresh DB — middleware redirect loop), 3 high (post-login `?redirect=` ignored; CRM invite token in query string leaks to access logs; missing `Retry-After` on sign-in 429), 2 medium (broad portal allowlist, no OPTIONS handlers), 13 clean.
**Counts:** 1 critical · 3 high · 2 medium · 0 low · 13 passing
---
## 🔴 CRITICAL R-021: `/setup` missing from `PUBLIC_PATHS` — bootstrap unreachable on fresh DB
- **File:** `src/proxy.ts:51-73`
- **What:** `PUBLIC_PATHS` includes `/api/v1/bootstrap/` but NOT `/setup`. Comment at lines 60-62 says login + setup pages call bootstrap status, but `/setup` itself is not exempt from the session guard. Unauthenticated user → `/setup` → middleware redirects to `/login?redirect=/setup`. Login useEffect fetches bootstrap status, calls `router.replace('/setup')` → middleware again → infinite redirect loop.
- **Why it matters:** Fresh deployment (no super admin) is functionally deadlocked. First operator cannot reach setup without already having a session (impossible on fresh DB).
- **Suggested fix:** Add `'/setup'` to `PUBLIC_PATHS`. `POST /api/v1/bootstrap/super-admin` already self-protects with `hasAnySuperAdmin()`.
## 🟠 HIGH R-017/018: CRM post-login redirect ignores `?redirect=` — deep links silently dropped
- **File:** `src/app/(auth)/login/page.tsx:79`
- **What:** Middleware redirects unauthenticated → `/login?redirect=<path>`. Login page never reads `useSearchParams()`; always `router.push('/dashboard')`.
- **Why it matters:** Email/bookmark/shared deep links into specific clients/interests silently dump to dashboard after login.
- **Suggested fix:** Read `searchParams.get('redirect')`, validate same-origin (starts with `/`, not `//`), use as push target if valid.
## 🟠 HIGH R-023: CRM invite token in query string leaks to access logs
- **File:** `src/lib/services/crm-invite.service.ts:71,233`
- **What:** `${env.APP_URL}/set-password?token=${raw}` — raw 32-byte token in query param. Set-password page reads via `useSearchParams()`. Portal flow was migrated to `#token=` fragment in 2026-05-14 specifically to keep tokens out of logs/Referer; CRM invite path missed the migration.
- **Why it matters:** Every nginx/Caddy access log line for `GET /set-password?token=<raw>` persists token to disk. Forwarded to SIEM/S3/monitoring → token visible to anyone with log access. Token grants account creation.
- **Suggested fix:** Change `createCrmInvite` + `resendCrmInvite` to emit `${env.APP_URL}/set-password#token=${encodeURIComponent(raw)}`. Update `set-password/page.tsx` to use the fragment-reading pattern from `PasswordSetForm` (`readTokenFromUrl()`) with `?token=` back-compat for outstanding tokens.
## 🟠 HIGH R-029: `sign-in-by-identifier` 429 missing `Retry-After`
- **File:** `src/app/api/auth/sign-in-by-identifier/route.ts:47-51`
- **What:** Builds 429 response with `headers: rateLimitHeaders(rl)` which only emits `X-RateLimit-Limit/Remaining/Reset` (`src/lib/rate-limit.ts:79-85`). `enforcePublicRateLimit` adds `Retry-After`; this route uses `checkRateLimit` directly and skips it.
- **Why it matters:** RFC 6585 §4 requires `Retry-After` on 429. Automated clients can't back off correctly. Inconsistent with other public endpoints.
- **Suggested fix:** Add `'Retry-After': Math.max(1, Math.ceil((rl.resetAt - Date.now()) / 1000)).toString()`.
## 🟡 MEDIUM R-016: `/portal/` blanket allowlist removes middleware as backstop
- **File:** `src/proxy.ts:65`
- **What:** `'/portal/'` in `PUBLIC_PATHS` — every `/portal/*` is exempt from middleware session check. Per-page `getPortalSession()` is the only gate.
- **Why it matters:** Defense-in-depth gap. Per-page checks all in place today; but a future portal page added without `getPortalSession()` has no middleware backstop. Fragile vs CRM's primary middleware gate.
- **Suggested fix:** Allowlist only the unauthenticated portal routes individually (`/portal/login`, `/portal/activate`, `/portal/reset-password`, `/portal/forgot-password`). Add middleware portal-cookie check.
## 🟡 MEDIUM R-028: No explicit `OPTIONS` handlers, no CORS headers
- **File:** All `route.ts` files under `src/app/api/`
- **What:** No `OPTIONS` exports. No `Access-Control-Allow-*` headers anywhere. Next.js will 405 on unhandled OPTIONS.
- **Why it matters:** Acceptable for same-origin CRM. Becomes an issue if marketing-site browser JS calls `/api/public/berths` cross-origin.
- **Suggested fix:** Defer until cross-origin consumer exists. When marketing site lives, add explicit `Access-Control-Allow-Origin: <marketing-domain>` to public routes (not wildcard).
---
## ✅ Passing checks
- R-016 allow-list anchor — `startsWith('/api/public/')` correctly rejects `'/api/publicX-evil'` (no regex anchor concern)
- S-09 open redirect on next/redirect — CRM login ignores param (no risk because unused); portal `safeNextPath()` (portal/login/page.tsx:20-27) rejects non-`/portal/` paths and `//`-protocol-relative
- S-10 CSRF — defense-in-depth: `proxy.ts originAllowed()` (lines 104-122) rejects state-changing `/api/v1/**` where Origin/Referer don't match in prod; better-auth has its own origin check for `/api/auth/**`; dev bypass intentional
- S-11 cookie flags — CRM: `httpOnly`, `secure` (prod), `sameSite: 'strict'` (`src/lib/auth/index.ts:107-110`); Portal: `httpOnly`, `secure` (prod), `sameSite: 'lax'` (`src/app/api/portal/auth/sign-in/route.ts:43-45`)
- S-12 CSP — per-request nonce-based CSP via `proxy.ts:buildCspWithNonce()` for page routes in prod (`'nonce-<n>' 'strict-dynamic'`); fallback CSP in `next.config.ts:55-66`; `frame-ancestors: 'none'` + `X-Frame-Options: DENY`; HSTS, X-Content-Type-Options, Referrer-Policy, Permissions-Policy all present
- S-13 CORS — no `Access-Control-Allow-Origin: *` anywhere (correct for same-origin CRM)
- R-019/020 portal `client_portal_enabled` gate — `src/app/(portal)/layout.tsx:22` calls `isPortalDisabledGlobally()`; per-page `getPortalSession()` additionally guards
- R-022 reset-password tokens — Portal: single-use `consumeToken` setting `usedAt`, 30min TTL, SHA-256 hashed in DB. Better-auth CRM: 1h TTL, `revokeSessionsOnPasswordReset: true`
- R-023 portal half — `portal/activate/page.tsx` uses `PasswordSetForm` with `useSyncExternalStore + readTokenFromUrl()` reading `window.location.hash` client-side; SSR-safe via `null` server snapshot
- R-025 public berths cache headers `s-maxage=300, stale-while-revalidate=60` confirmed in both list + single endpoints
- R-026/027 public health: anonymous `{status,timestamp}` only never 503; `X-Intake-Secret` `timingSafeEqual` (lines 57-64); authenticated runs DB+Redis dep checks in parallel, 503 on either failure
- S-17 session fixation — better-auth creates fresh session row on every sign-in; portal sign-in always issues new JWT via `createPortalToken`
- S-18 token expiry/refresh — CRM 24h absolute, 6h sliding refresh window (`src/lib/auth/index.ts:99-103`); Portal JWT 24h checked against `passwordChangedAt` watermark per request
- S-19 audit log tamper-resistance — `audit_logs` has no `updated_at`; no `UPDATE` calls in app code (only INSERT/SELECT and time-based retention DELETE bounded by `AUDIT_LOGS_RETENTION_DAYS`)