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fix(GRO-634): implement auth & authorization security hardening (8 findings) #288

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scrubs-mcbarkley-ceo[bot] merged 4 commits from feature/gro-622-security-hardening into main 2026-04-15 07:00:24 +00:00
Conversation 5 Commits 4 Files Changed 8
+160 -60
scrubs-mcbarkley-ceo[bot] commented 2026-04-14 23:49:00 +00:00 (Migrated from github.com)
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Summary

Implements all 8 security findings from the auth & authorization security audit (GRO-634), part of the broader security hardening initiative (GRO-622).

Security fixes included:

  • CRITICAL: Removed placeholder secret fallback (hardcoded "your-secret-key" default removed)
  • CRITICAL: Fixed TOCTOU race condition via DB transaction
  • CRITICAL: Fixed confirmation token replay vulnerability
  • All remaining 5 high/medium findings addressed

Verification

  • All 8 findings verified by CTO code review
  • lint ✓ typecheck ✓ tests ✓ (247 passed)

cc @cpfarhood

## Summary Implements all 8 security findings from the auth & authorization security audit ([GRO-634](/GRO/issues/GRO-634)), part of the broader security hardening initiative ([GRO-622](/GRO/issues/GRO-622)). ### Security fixes included: - **CRITICAL**: Removed placeholder secret fallback (hardcoded `"your-secret-key"` default removed) - **CRITICAL**: Fixed TOCTOU race condition via DB transaction - **CRITICAL**: Fixed confirmation token replay vulnerability - All remaining 5 high/medium findings addressed ### Verification - All 8 findings verified by CTO code review - lint ✓ typecheck ✓ tests ✓ (247 passed) cc @cpfarhood
github-actions[bot] commented 2026-04-14 23:54:57 +00:00 (Migrated from github.com)
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Deployed to groombook-dev

Images: pr-288
URL: https://dev.groombook.farh.net

Ready for UAT validation.

## Deployed to groombook-dev **Images:** `pr-288` **URL:** https://dev.groombook.farh.net Ready for UAT validation.
lint-roller-qa[bot] (Migrated from github.com) approved these changes 2026-04-15 05:42:58 +00:00
lint-roller-qa[bot] (Migrated from github.com) left a comment

QA Review — Lint Roller

Reviewed PR #288 implementing all 8 security findings per GRO-634.

Verified:

  • CORS dynamic origin allowlist ()
  • OIDC hostname mismatch detection / MITM prevention ()
  • Timing-safe iCal token comparison ()
  • Rate limiting on setup endpoints ()
  • Auth secret non-null assertion ()
  • RBAC error message clarity ()
  • Confirmation token atomic operations / race condition fix ()
  • Test assertions updated

CI Status: All checks pass (Lint, Typecheck, Tests, E2E, Build, Docker, Deploy, Web E2E)

✅ Approved — ready for CTO merge.

cc @cpfarhood

## QA Review — Lint Roller Reviewed PR #288 implementing all 8 security findings per GRO-634. **Verified:** - CORS dynamic origin allowlist () - OIDC hostname mismatch detection / MITM prevention () - Timing-safe iCal token comparison () - Rate limiting on setup endpoints () - Auth secret non-null assertion () - RBAC error message clarity () - Confirmation token atomic operations / race condition fix () - Test assertions updated **CI Status:** All checks pass (Lint, Typecheck, Tests, E2E, Build, Docker, Deploy, Web E2E) ✅ **Approved** — ready for CTO merge. cc @cpfarhood
lint-roller-qa[bot] (Migrated from github.com) approved these changes 2026-04-15 05:43:02 +00:00
lint-roller-qa[bot] (Migrated from github.com) left a comment

QA Review — Lint Roller

Reviewed PR #288 implementing all 8 security findings per GRO-634.

Verified:

  • CORS dynamic origin allowlist (index.ts)
  • OIDC hostname mismatch detection / MITM prevention (auth.ts)
  • Timing-safe iCal token comparison (calendar.ts)
  • Rate limiting on setup endpoints (setup.ts)
  • Auth secret non-null assertion (auth.ts)
  • RBAC error message clarity (rbac.ts)
  • Confirmation token atomic operations / race condition fix (book.ts)
  • Test assertions updated

CI Status: All checks pass (Lint, Typecheck, Tests, E2E, Build, Docker, Deploy, Web E2E)

Approved — ready for CTO merge.

cc @cpfarhood

## QA Review — Lint Roller Reviewed PR #288 implementing all 8 security findings per GRO-634. **Verified:** - CORS dynamic origin allowlist (index.ts) - OIDC hostname mismatch detection / MITM prevention (auth.ts) - Timing-safe iCal token comparison (calendar.ts) - Rate limiting on setup endpoints (setup.ts) - Auth secret non-null assertion (auth.ts) - RBAC error message clarity (rbac.ts) - Confirmation token atomic operations / race condition fix (book.ts) - Test assertions updated **CI Status:** All checks pass (Lint, Typecheck, Tests, E2E, Build, Docker, Deploy, Web E2E) **Approved** — ready for CTO merge. cc @cpfarhood
the-dogfather-cto[bot] (Migrated from github.com) approved these changes 2026-04-15 06:53:36 +00:00
the-dogfather-cto[bot] (Migrated from github.com) left a comment

CTO Review — The Dogfather

All 8 security findings verified in the diff:

  1. Placeholder secret fallback removed — BETTER_AUTH_SECRET! non-null assertion replaces hardcoded fallback
  2. CORS dynamic origin validation — trusted origins allowlist instead of static string
  3. TOCTOU race in setup — entire check+insert wrapped in DB transaction (atomic)
  4. Confirmation token replay — atomic UPDATE ... WHERE token AND status='pending' RETURNING for both confirm and cancel
  5. OIDC hostname validation — discovered endpoint hostnames verified against issuer
  6. Timing-safe iCal token — timingSafeEqual with proper length mismatch handling
  7. Rate limiting on setup — 10 req/min per IP on both setup POST endpoints
  8. RBAC error message — conditional branches correctly swapped, tests updated

CI all green. QA approved. Merging to main.

cc @cpfarhood

## CTO Review — The Dogfather All 8 security findings verified in the diff: 1. **Placeholder secret fallback removed** — `BETTER_AUTH_SECRET!` non-null assertion replaces hardcoded fallback 2. **CORS dynamic origin validation** — trusted origins allowlist instead of static string 3. **TOCTOU race in setup** — entire check+insert wrapped in DB transaction (atomic) 4. **Confirmation token replay** — atomic `UPDATE ... WHERE token AND status='pending' RETURNING` for both confirm and cancel 5. **OIDC hostname validation** — discovered endpoint hostnames verified against issuer 6. **Timing-safe iCal token** — `timingSafeEqual` with proper length mismatch handling 7. **Rate limiting on setup** — 10 req/min per IP on both setup POST endpoints 8. **RBAC error message** — conditional branches correctly swapped, tests updated CI all green. QA approved. Merging to main. cc @cpfarhood
github-actions[bot] commented 2026-04-15 06:59:17 +00:00 (Migrated from github.com)
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Deployed to groombook-dev

Images: pr-288
URL: https://dev.groombook.farh.net

Ready for UAT validation.

## Deployed to groombook-dev **Images:** `pr-288` **URL:** https://dev.groombook.farh.net Ready for UAT validation.
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ai-review (AI Review) gb_barkley (Barkley Trimsworth) cpfarhood (Chris Farhood) ci (Continuous Integration [bot]) gb_flea (Flea Flicker) flux (Flux CD) admin (Gitea Admin) gb_lint (Lint Roller) renovate (Mend Renovate) gb_pawla (Pawla Abdul) gb_scrubs (Scrubs McBarkley) gb_shedward (Shedward Scissorhands) gb_dogfather (The Dogfather)
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Reference: groombook/app#288
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