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fix: generateId() fallback for insecure-context origins

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Problem
  The phone-preview path (http://192.168.1.167:5173) is a non-secure
  origin. `window.crypto.randomUUID` is gated behind secure contexts
  (HTTPS / localhost / 127.0.0.1 / file://) so it's undefined there,
  and every optimistic-id call site crashed handleAdd with
  `TypeError: crypto.randomUUID is not a function`.

Fix
  apps/web/src/lib/utils/id.ts — generateId() uses crypto.randomUUID()
    when available, otherwise falls back to crypto.getRandomValues()
    + RFC 4122 §4.4 byte assembly. getRandomValues IS exposed on
    insecure contexts (unlike subtle), so the fallback is v4-compliant
    and cryptographically acceptable for client-side optimistic ids.
  Replaced crypto.randomUUID() at every call site:
    stores/lists.ts, stores/tasks.ts, sync/queue.ts, sync/undoQueue.ts
    routes/(app)/lists/[id]/+page.svelte
    routes/(app)/tasks/[id]/+page.svelte
  CLAUDE.md gotcha added: never call crypto.randomUUID() directly —
    always import generateId from $lib/utils/id.

Tests (written first, confirmed failing on main)
  src/lib/utils/id.test.ts (4 tests)
    U-01 returns UUID v4 when randomUUID is available
    U-02 falls back when randomUUID is undefined
    U-03 50 fallback-generated ids are all unique
    U-04 prefers randomUUID when present (doesn't drop into fallback)
  tests/e2e/insecure-context.test.ts (1 test)
    INS-01 stubs crypto.randomUUID = undefined via addInitScript,
      drives the add-item flow, confirms the row renders (if the
      old call site were still there, handleAdd would throw).

Verification
  just test-all → exit 0, 233 green, 2 skipped:
    34 pgTAP (unchanged)
    140 Vitest integration + 2 skipped presence (unchanged)
    15 Vitest unit (was 11, +4 generateId)
    44 Playwright (was 43, +1 INS-01)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Oier Bravo
2026-04-14 02:41:39 +02:00
parent ab8ac08226
commit 53de447aa5
12 changed files with 181 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
README.md
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@@ -16,7 +16,7 @@
| Fase 3 — Tareas y Notas | ✅ Completa |
| Fase 4 — Búsqueda y Pulido | 🟡 Búsqueda + RLS audit completos; PWA install/push/rate-limit/JWT rotation diferidos a sprint de deploy |
| Fase 5 — Rediseño UX Mobile | ✅ Completa en scope automatizable (shell + masthead + big-button create + row redesign + selection mode + sticky detail chrome); presence avatars en cards + M-swipe/SEL-long-press touch E2E diferidos a WebKit install |
| Suite de tests (pgTAP + Vitest + Playwright) | ✅ 228 tests verdes (34 pgTAP + 140 integración + 11 unit + 43 E2E), 4 skipped, ejecutables con `just test-all` |
| Suite de tests (pgTAP + Vitest + Playwright) | ✅ 233 tests verdes (34 pgTAP + 140 integración + 15 unit + 44 E2E), 2 skipped, ejecutables con `just test-all` |
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