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b8e521f4e7909524114df1500fbb7ae926aa4672
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6 Commits
Author SHA1 Message Date
popertots f9e8385d5a fix: auth/2FA security — stdout-log code delivery is dev/test-only, production fails closed until email/SMS; verification-code hashing, lockout recovery, sabredav fail-closed 
- TWO_FACTOR_ALLOW_LOG_DELIVERY production opt-in REMOVED: plaintext codes are written to the stdout log ([2FA]/[VERIFY]) only in dev/test builds as a local DEV ONLY feature while email/SMS delivery (P6) is implemented. Production builds have no delivery channel and code issuance fails closed (503) under any configuration — no silent log-based code leak
- verification/2FA codes hashed at rest (HMAC-SHA256 via TWO_FACTOR_PEPPER, CHAR(64)); [VERIFY] dev log relay; per-user brute-force budget; password_reset purpose clears lockout for self-service recovery; dummy-bcrypt on login no-user path kills timing oracle
- sabredav weak-password list + entropy gate; .env.example ships fail-closed DAV_ADMIN_PASSWORD
- delete-account re-auth (current_password + fresh 2FA code when enforced)
- prod-tag suite (run-prod-tag-tests.sh) compiles and runs the production 2FA issuance gate: production ALWAYS reports no delivery channel and refuses issuance after the pepper check
- startup_checks_test SNAPSHOT_ENC_KEY values built at runtime so gitleaks sees no secret-shaped literals
- env-docs parity updated (flag removed, 38 vars)
 2026-08-22 00:34:50 +01:00
popertots 2cdbad0cea feat: SCA-only saved-card charges — 2FA charge fallback removed (C6), versioned consent fields, token provenance 
PSR 2017 reg 100 makes SCA mandatory and non-waivable for customer-initiated
stored-credential charges; a merchant-side 2FA check cannot legally substitute
for it (authorising a token-less charge via 2FA leaves the MERCHANT liable for
ECI 7 / SLI 210 chargebacks and reg 77(6) compensation regardless of consent).

- payments/twofa.go: the homegrown 2FA fallback for token-less saved-card
  charges is REMOVED ENTIRELY. requireTwoFactorForCardAccess is now SCA-only:
  a non-empty Square verification_token (charge surfaces, token forwarded to
  Square) skips the gate; anything else is refused 402 verification_required.
  enforceSCAFallbackConsent is a compile-compatible no-op (fallback never runs).
- New requireTwoFactorForCardAccessWithTokenValidation distinguishes surfaces
  where the token IS forwarded to Square (charge — Square validates it) from
  card-SAVE surfaces (token client-asserted, never forwarded: a non-empty token
  must NOT skip the save gate, auth-F1).
- SCA tokenize-result wire contract (C1): a saved card charged with a fresh
  one-time tokenize-result sends the token as the charge SOURCE (new_card_token
  -> source_id) alongside saved_card_id, never a separate verification_token.
  resolveChargeSource resolves the saved-card branch FIRST (customer from the
  card row, token as source) so combined token+card requests are SCA-clean.
- C6 consent fields (consent_version / consent_accepted) added to the booking/
  tip/till/gift-card charge requests, enforced server-side before any fallback
  charge could reach Square and recorded on the 2fa_fallback_charge audit row;
  logVerificationTokenProvenance traces minted tokens to their charge.
- user 2FA issuance gate refactored into pure build-agnostic functions
  (twoFAPepperConfigured / twoFADeliveryChannelConfigured /
  twoFAEnsureIssueAllowedStrict) shared with the payments re-issue path and
  exercised directly by the test,dev suite; TWO_FACTOR_FALLBACK switch and
  .env.example entry removed; startup posture notes updated.
- Test coverage: fail-closed 2FA production gates (pepper/delivery), token
  validation on save vs charge surfaces, completion idempotency, idempotency
  key determinism, refund-policy 72h/24h epsilon boundaries, VAT parity.
 2026-08-22 00:34:50 +01:00
popertots dfe856b181 fix: loop-B adversarial (503c326 baseline) — IDEMPOTENCY_KEY_REUSED reclassified ambiguous, 2FA reissue fail-closed alerts, family-cache crash window, consolidation regression checks 
Loop B red-team (money/security/dup-mod adversarial) findings on the full payments overhaul:

- CRITICAL-ish: IDEMPOTENCY_KEY_REUSED (409) no longer classified as a definitive
  402 in chargeFailureStatus — it means the ORIGINAL charge may have landed with
  a different body, so it is now AMBIGUOUS (503): the frontend keeps the same
  idempotency key, the pending row stays rescuable by the sweep (which already
  treated it as ambiguous), and the frontend no longer regenerates the key into
  a possible double charge. SCA verification-required codes remain definitive 402.
- HIGH: reissueTwoFACodeAfterFailedCharge now writes a CRITICAL admin notification
  (insertCriticalPaymentNotification) when issuance is refused (missing pepper /
  unavailable delivery) instead of silently stranding the customer; documented that
  a pepper CHANGE invalidates all pending codes.
- MEDIUM: family-alive cache invalidation crash window documented (invalidate-after-
  commit leaves up to 30s warm on a crash; the near-TTL DB re-check bounds it).
- Consolidation regression checks (8b2fe3b helpers): writeChargeSnapshot guard
  preserved at all sites, postChargeRecheck identical, squareRefundStatusToLocal
  mappings verified, reissue fresh-only semantics confirmed at all 5 call sites.

Verified: 26/26 dev packages, both vet tags, frontend tests + build, env-docs 42/42.
 2026-08-22 00:34:50 +01:00
popertots 7c424b28b8 fix: loop-B adversarial findings — tip-type double-charge, tip-refund capacity, loyalty stamp farming, gate ordering, auth amplification, admin audit log 
Loop B restart (money/security/dup-mod adversarial) fixes:
- CRITICAL: CreateTerminalPayment rejects payment_type='tip' (mirrors CreateBookingPayment) — a tip-typed admin charge no longer records the FULL amount as a tip and double-collects (all is-paid computations exclude tip rows)
- HIGH: tip refunds can no longer re-open booking capacity — refunded_total subqueries filter payment_type <> 'tip' (service.go) and RefundPayment rejects tip rows
- MEDIUM: loyalty-stamp farming closed — stamp award once-per-booking via loyalty_stamp_awarded_at column (init-script.sql) + existing same-day guard
- MEDIUM: CreateTipPayment/CreateBookingPayment 2FA gates moved AFTER the idempotency completed-dedup (code consumed only on new money paths; terminal path already correct) — lost-response retries return the completed payment instead of 400
- MEDIUM: replayRescueLowerBoundSkew widened to 5m (DB-clock-skew stranded originals now rescued)
- MEDIUM-1: verifyFamilyAlive DB amplification reduced via 30s bounded family-alive cache; admin route group rate-limited
- MEDIUM-3: admin saved-card charges now write admin_audit_log (handlers.go helper + till); [2FA] log line decoupled from user identity
- LOW-1: logout scoped to the presented token's family (no cross-session kill)
- LOW-2: refresh-reuse grace widened for same-IP replays
- LOW-4: squareEnvironmentMismatch enforced for empty env
- LOW-5: uuid.ts hard-fails on Math.random fallback (crypto.randomUUID)
- Cash/giftcard tip-enabled overflow mirrors the card-terminal carve

26/26 backend packages; 72/72 frontend tests + build; env-docs 41/41.
 2026-08-22 00:34:50 +01:00
popertots fe88f2084d fix: review-loop B — adversarial findings (sweep auto-refund, admin clamp, 2FA real challenge, opaque refresh tokens, gated client IP, GBP pence) 
Loop B aggressive adversarial round (3 attack agents) + fix + secondary + verification:
- CRITICAL: sweep replay auto-refunds provably-created-later duplicate charges (gated on parseable CreatedAt); 22h legitimate-retry window == 22h sweep cutoff (no dead zone)
- HIGH: admin Take Payment clamps to remaining obligation (cash/giftcard/saved-card/terminal); no unintended tip from overflow; campaign credit against remaining
- HIGH: /api/services/eligible-for/{id} requires auth + owner-or-admin (DOB/age + patch-test health-data leak closed)
- HIGH: opaque refresh-token rotation (login/refresh return {token, jti, refreshToken}; refresh REQUIRES opaque token; single-use rotation; logout revokes; access token rejected at refresh)
- HIGH: saved-card charges require a REAL 2FA verification code (B6/B10) — backend gate on all 8 charge paths + shared TwoFactorCodeInput frontend component on all 7 surfaces; 2FA gate is no longer setup-flag-only
- MEDIUM: ungated CF-Connecting-IP in reserve/admin_reserve gated via exported mw.ClientIP; 2FA limiter keyed on userID alone (no header-rotation bypass); ChangePassword actually revokes JTI + refresh tokens; 2FA setup mint cooldown + persistent failed-attempt counter; campaign redemption race surfaces campaign_fully_redeemed
- Terminal saved-card VAT applied (was under-collected); age-guard reconcile failures notify; isWeakJWTSecret entropy gate; gift-card redeem per-card counter + per-user limiter; webhook signature key startup validation
- NEW internal/twofa package (single source of truth breaking the payments<->user import cycle); consolidation of duplicate 2FA hash/verify
- Frontend: refresh-token storage + rotation, TwoFactorCodeInput component, amountPaidPence in admin modal, B5/B6/B10 contract wiring; 70 frontend tests
- Tests: loop_b_fixes_test.go, internal/twofa tests, updated auth/services/profile/twofa/mw tests

All 26 backend packages pass (incl. internal/twofa); frontend 70/70 + build clean; env-docs 41/41.
 2026-08-22 00:34:50 +01:00
popertots 78e6d00dc5 fix: payments review rounds — money-safety, GDPR, security, gift-card cancel, modal stacking 
Money-safety:
- Deterministic till idempotency fallback (Square-charging only); cash/on_the_house keep unique keys; £250 till gift-card cap; 45-char key validation
- Gift-card admin caps £250/tx + £5,000/day; user buy £500/day; BuyGiftCard allowlist unchanged
- CancelGiftCard: CCR 2013 14-day right with partial-spend refund of the unspent balance (spend verified via payments.gift_card_id); atomic vs redeem/transfer; refunds stay pending until reversal commits; admin cancel surface (AdminCancelGiftCard)
- Sweep: cancelled-booking charges failed+notified instead of silently completed; source-override replay uses live square_source_id; legacy square-less refund sweep; snapshot refresh on pending reuse
- Refund lock consolidation; recordTerminalPaymentTx shared recorder; structured Square error codes; terminal checkout CustomerID

GDPR / security:
- Notes retained as de-identified medical/safety record at erasure (single field treated as health data; rest of record wiped, no re-identification map) + comments updated per UK GDPR/Art 9/Equality Act 2010
- square_request_snapshot PII scrubbed on all erasure paths; delete_guest_user FK unlinks; verification codes + dispute reasons handled; idle/stale-guest erasure deletes Square cards/customers + CardDAV/R2
- Durable square-erasure outbox job (retry-square-erasures); 2FA dev/prod build split, pepper fail-closed, no prod code-in-log; prod 2FA delivery fail-loud without a channel
- Webhook unknown-type family split (non-money acked, money retried); untracked dispute notifications; rate-limit CF/X-Real-IP trust gating; nginx CSP nonce + api_limit

Frontend:
- Dynamic z-index stack (ui/dialog/zindex.ts) claimed in open order via data-state observer; re-claims on every reopen; removes stale !z-* overrides — nested modals (booking→user→booking) always paint newest-on-top (browser-verified 3-level + reopen)
- Mobile: iOS zoom fixes, bottom-sheet dialogs, 44px touch targets, inputmode decimal, dvh
- Gift-card buy/cancel UI, admin £250 + daily limits, cancellation/privacy/terms policy accuracy

S3:
- Connect() creates buckets before probing; in-memory fallback only on genuine unreachability; health reports degraded; stale S3_PUBLIC_URL documented (host-specific)

Tests/docs:
- 2263 test functions; all 22 backend packages green; round8/9/10 regression suites; NextEditWindowTime removes wall-clock flake; docs reconciled (notes retention, gift-card partial-use, modal T15 future work)
 2026-08-22 00:34:50 +01:00