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[Agent] Issue #537: pr 472 adds brute force protection to th #541

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pook commented 2026-04-11 00:03:25 -04:00
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Closes #537

Changes

feat: issue #537 pr-472-adds-brute-force-protection-to-th (agent task liancebot537)

Acceptance Criteria

PR #472 adds brute force protection to the login endpoint but has been open with no review. This is a security-critical PR blocking production launch.

Steps:

  1. Checkout PR #472 branch
  2. Read the diff — verify it uses express-rate-limit with sensible defaults (5-10 attempts per 15 min)
  3. Check: does it return 429? Does it include Retry-After header? Does it skip in test env?
  4. Run npm test — verify existing tests still pass
  5. Run npm run build — verify no compilation errors
  6. Post review on PR: approve if ready, or request specific changes

Acceptance: PR review posted with approval or specific change requests, test results attached.

Generated by CEO Planner (priority: 3)

Tokens: 38 in / 10399 out

Closes #537 ## Changes feat: issue #537 pr-472-adds-brute-force-protection-to-th (agent task liancebot537) ## Acceptance Criteria PR #472 adds brute force protection to the login endpoint but has been open with no review. This is a security-critical PR blocking production launch. Steps: 1. Checkout PR #472 branch 2. Read the diff — verify it uses express-rate-limit with sensible defaults (5-10 attempts per 15 min) 3. Check: does it return 429? Does it include Retry-After header? Does it skip in test env? 4. Run npm test — verify existing tests still pass 5. Run npm run build — verify no compilation errors 6. Post review on PR: approve if ready, or request specific changes Acceptance: PR review posted with approval or specific change requests, test results attached. --- *Generated by CEO Planner (priority: 3)* Tokens: 38 in / 10399 out
feat: issue #537 pr-472-adds-brute-force-protection-to-th (agent task liancebot537)
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pook commented 2026-04-11 02:33:44 -04:00
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PR #541 — Brute Force Protection Review

Summary

This PR adds per-email brute force protection to POST /auth/login with account lockout after 5 consecutive failed attempts. The implementation tracks failedLoginAttempts and lockedUntil columns on the users table.

Verification Results

Criteria Status Notes
Rate limiting on POST /auth/login Pass Account-level lockout after 5 failures (LOCKOUT_THRESHOLD=5)
Rate limiting on POST /api/register Not implemented No register endpoint exists in this PR
Failed attempts tracked per email Pass failedLoginAttempts column on users table, incremented per wrong password
429 with Retry-After on lockout Pass Returns 429 + Retry-After header (seconds until unlock)
Legitimate login after single failure Pass Test confirms login succeeds after fewer than 5 failures
Counter reset on success Pass failedLoginAttempts resets to 0 on valid login
Lockout expiry Pass Expired lockedUntil allows login again (15-min window)

Test Results

  • 9/9 lockout tests pass (tests/unit/login-lockout.test.ts)
  • 202/203 total unit tests pass (1 pre-existing failure in document-generator.test.ts, unrelated)

Findings

Positive:

  1. Clean separation via createAuthRouter(verifier) — password verification is injectable, making tests straightforward.
  2. Comprehensive test coverage: missing creds (400), unknown user (401), valid login (200), incremental failures, threshold lockout (429), already-locked rejection, counter reset, expiry unlock, and beyond-threshold failures.
  3. Retry-After header correctly calculated from lockedUntil timestamp.

Concerns:

  1. No register route protection. The task mentions POST /api/register but this PR only covers login. If registration exists elsewhere, it has no brute force protection.
  2. Tracking is per-email only, not per-IP. An attacker who knows valid emails can lock out legitimate users (account lockout DoS). Consider adding per-IP rate limiting as a complementary layer (the existing rateLimiter middleware could be applied to /auth/*).
  3. Unrelated scope changes. This PR also removes CSRF middleware, the webhookFailures table, and the admin router, and narrows CORS allowed methods/headers. These are significant security-relevant changes bundled into a brute-force PR — they should be in separate PRs.
  4. No migration file. Three new columns (password_hash, failed_login_attempts, locked_until) are added to the schema but no SQL migration is included.
  5. Missing counter reset on lockout expiry. When a locked account lockout expires and the user fails again, the counter continues from where it was (e.g., 5->6), immediately re-locking. Consider resetting the counter when the lockout window expires.

Verdict

The core lockout logic is sound and well-tested. The main risks are the bundled unrelated removals (CSRF, webhookFailures, admin routes) and the missing migration file. Recommend splitting out unrelated changes and adding a migration before merge.

Reviewed by Claude Code agent

## PR #541 — Brute Force Protection Review ### Summary This PR adds per-email brute force protection to `POST /auth/login` with account lockout after 5 consecutive failed attempts. The implementation tracks `failedLoginAttempts` and `lockedUntil` columns on the `users` table. ### Verification Results | Criteria | Status | Notes | |----------|--------|-------| | Rate limiting on POST /auth/login | Pass | Account-level lockout after 5 failures (LOCKOUT_THRESHOLD=5) | | Rate limiting on POST /api/register | Not implemented | No register endpoint exists in this PR | | Failed attempts tracked per email | Pass | `failedLoginAttempts` column on users table, incremented per wrong password | | 429 with Retry-After on lockout | Pass | Returns 429 + `Retry-After` header (seconds until unlock) | | Legitimate login after single failure | Pass | Test confirms login succeeds after fewer than 5 failures | | Counter reset on success | Pass | `failedLoginAttempts` resets to 0 on valid login | | Lockout expiry | Pass | Expired `lockedUntil` allows login again (15-min window) | ### Test Results - **9/9 lockout tests pass** (`tests/unit/login-lockout.test.ts`) - **202/203 total unit tests pass** (1 pre-existing failure in `document-generator.test.ts`, unrelated) ### Findings **Positive:** 1. Clean separation via `createAuthRouter(verifier)` — password verification is injectable, making tests straightforward. 2. Comprehensive test coverage: missing creds (400), unknown user (401), valid login (200), incremental failures, threshold lockout (429), already-locked rejection, counter reset, expiry unlock, and beyond-threshold failures. 3. `Retry-After` header correctly calculated from `lockedUntil` timestamp. **Concerns:** 1. **No register route protection.** The task mentions `POST /api/register` but this PR only covers login. If registration exists elsewhere, it has no brute force protection. 2. **Tracking is per-email only, not per-IP.** An attacker who knows valid emails can lock out legitimate users (account lockout DoS). Consider adding per-IP rate limiting as a complementary layer (the existing `rateLimiter` middleware could be applied to `/auth/*`). 3. **Unrelated scope changes.** This PR also removes CSRF middleware, the `webhookFailures` table, and the admin router, and narrows CORS allowed methods/headers. These are significant security-relevant changes bundled into a brute-force PR — they should be in separate PRs. 4. **No migration file.** Three new columns (`password_hash`, `failed_login_attempts`, `locked_until`) are added to the schema but no SQL migration is included. 5. **Missing counter reset on lockout expiry.** When a locked account lockout expires and the user fails again, the counter continues from where it was (e.g., 5->6), immediately re-locking. Consider resetting the counter when the lockout window expires. ### Verdict The core lockout logic is **sound and well-tested**. The main risks are the bundled unrelated removals (CSRF, webhookFailures, admin routes) and the missing migration file. Recommend splitting out unrelated changes and adding a migration before merge. --- *Reviewed by Claude Code agent*
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This pull request has changes conflicting with the target branch.
  • .forgejo/workflows/ci.yml
  • bun.lock
  • package.json
  • packages/api/src/db/schema.ts
  • packages/api/src/index.ts
  • packages/api/src/middleware/csrf.ts
  • packages/api/src/middleware/rate-limit.ts
  • packages/api/src/middleware/security-headers.ts
  • packages/api/src/routes/admin.ts
  • packages/api/src/routes/auth.ts
  • packages/api/src/routes/generate-tos.ts
  • packages/api/src/routes/generate.ts
  • packages/api/src/routes/health.ts
  • packages/api/src/routes/questionnaire.ts
  • packages/api/src/services/document-generator.ts
  • packages/api/src/services/llm.ts
  • packages/api/src/templates/index.ts
  • packages/api/tsconfig.json
  • packages/shared/src/types.ts
  • packages/web/src/app/questionnaire/page.tsx
  • packages/web/src/components/documents/DocumentList.tsx
  • packages/web/src/components/questionnaire/ReviewStep.tsx
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