🛡️ Sentinel: [Security Enhancement] Enforce input limits and strengthen password policy #134
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…en password policy **Severity:** MEDIUM **Vulnerability:** 1. **DoS/Storage Exhaustion:** Firestore array fields (`unlockedWorlds`, `achievements`, etc.) were unbounded, allowing potential storage exhaustion or performance degradation via massive payloads. 2. **Weak Password Policy:** The minimum password length was 6 characters, which is considered weak by modern standards. **Fix:** 1. **Firestore Rules:** Introduced `isValidList(field, maxSize)` helper and applied size limits to all list fields in `users` and `gamification` collections (limits range from 50 to 1000 items). 2. **Register Page:** Increased minimum password length to 8 characters in `RegisterPage.tsx` (both HTML validation and React state validation). **Verification:** 1. **Tests:** Ran full test suite (`npm test`) - 504 tests passed. 2. **Frontend:** Verified `RegisterPage` validation behavior with Playwright script (native browser validation prevents submission of short passwords). 3. **Static Analysis:** Verified `firestore.rules` syntax and placement of new helper function.
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Visit the preview URL for this PR (updated for commit 6081a48): https://pyexplorer-cd32d--pr134-sentinel-security-fi-y41n7dcs.web.app (expires Mon, 02 Feb 2026 18:34:40 GMT) 🔥 via Firebase Hosting GitHub Action 🌎 Sign: 916b4905e0cdc420f3368c8eb19b2f2e90c3be61 |
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🛡️ Sentinel: [Security Enhancement] Enforce input limits and strengthen password policy
Severity: MEDIUM
Vulnerability:
unlockedWorlds,achievements, etc.) were unbounded, allowing potential storage exhaustion or performance degradation via massive payloads.Fix:
isValidList(field, maxSize)helper and applied size limits to all list fields inusersandgamificationcollections (limits range from 50 to 1000 items).RegisterPage.tsx(both HTML validation and React state validation).Verification:
npm test) - 504 tests passed.RegisterPagevalidation behavior with Playwright script (native browser validation prevents submission of short passwords).firestore.rulessyntax and placement of new helper function.PR created automatically by Jules for task 13143021496259646930 started by @albertoivo