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…rmance, and 10M scale architecture Full codebase analysis covering 130 findings across 5 areas: - 27 critical issues (RCE, auth bypass, SSRF, IDOR, default credentials) - 43 high-severity issues (error handling, validation, dependency vulnerabilities) - Architecture optimization roadmap for 10M concurrent requests - 6-phase implementation plan with cost projections https://claude.ai/code/session_01KCbLtPYD29xF1zCFukZmbQ
…ge (86 tests) Security fixes: - Fix JWT auth bypass: catch block no longer silently swallows errors - Add timing-safe comparison for API key validation (crypto.timingSafeEqual) - Replace jwt.decode with jwt.verify in UserSession decorator - Add SSRF protection utility blocking private IPs, localhost, cloud metadata - Fix path traversal in FileNameService with path.basename + backslash normalization - Add file size validation (10MB limit) to prevent DoS via large uploads - Replace insecure hat library with crypto.randomBytes(32) for API keys (256-bit) - Fix IDOR in template deletion by requiring _projectId ownership check - Add input validation to DTOs (URL, cron, length limits on all string fields) - Add security headers (X-Frame-Options, X-Content-Type-Options, HSTS, etc.) - Enable ValidationPipe whitelist to prevent mass assignment attacks - Restrict Swagger to non-production environments - Add CORS origin filtering with .filter(Boolean) Queue reliability: - Switch all queues to durable: true for persistence across restarts - Switch from noAck: true to manual acknowledgment (noAck: false) - Add dead letter exchange (impler-dlx) and dead-letter-queue - Add channel.prefetch(10) to prevent consumer overload - Add createSafeConsumer wrapper with proper ack/nack error handling - Set persistent: true on published messages Error handling: - Fix @catch() decorator on SentryFilter (was called as function) - Add proper catch method that only sends non-HTTP exceptions to Sentry - Add graceful shutdown hooks (app.enableShutdownHooks) - Add axios timeout (30s) and maxRedirects (5) on queue consumer HTTP calls Test coverage (86 passing tests across 9 test files): - URL validator SSRF protection (20 tests) - DTO validation for auth and import-job DTOs (18 tests) - File name service path traversal protection (11 tests) - Security headers, CORS, ValidationPipe config (10 tests) - Auth guard timing-safe comparison and JWT verify (9 tests) - File upload size and MIME validation (9 tests) - Queue reliability configuration (9 tests) - API key cryptographic generation (6 tests) - Exception filter error categorization (3 tests) https://claude.ai/code/session_01KCbLtPYD29xF1zCFukZmbQ
…tests (148 total) IDOR Protection (CRITICAL): - Project switch: verify user belongs to project before allowing switch - Template destination update: scope queries with _projectId - Team member update/delete: verify _projectId ownership before operations Empty Catch Blocks Fixed (HIGH): - Webhook consumer: log error and update upload status on failure - bulkWrite in re-review: log error on flush failure - JSON.parse in download-sample, make-upload-entry, file.service: log warnings - S3 deleteFolder: log error on deletion failure Fire-and-Forget Async Fixes (HIGH): - Add await to publishToQueue in start-process usecase - Replace forEach(async) with Promise.all(map()) in start-process and webhook consumer Pagination & Input Validation (HIGH): - Cap pagination limit at 1000 and page at 10000 in review, upload, project controllers - Add @maxlength to upload DTO fields (authHeaderValue, extra, maxRecords) External Service Error Handling (HIGH): - Wrap SES email sendEmail in try/catch with logging - Wrap S3 uploadFile in try/catch with re-throw - Add try/catch to GitHub OAuth callback with redirect on error Rate Limiting (MEDIUM): - Add in-memory per-IP rate limiter middleware (200 req/min general, 20 req/min auth) - Periodic cleanup of expired rate limit entries Prototype Pollution Protection (MEDIUM): - Add safeJsonParse utility stripping __proto__, constructor, prototype keys - Apply to recordFormat and chunkFormat parsing in webhook consumer JWT Token Expiry (HIGH): - Reduce maxAge from 24 hours to 4 hours Aggregate Query Validation (HIGH): - Block $out and $merge stages in base repository aggregate method - Prevent data exfiltration via MongoDB aggregation pipeline MongoDB Connection Pool (MEDIUM): - Configure maxPoolSize: 100, minPoolSize: 10, socketTimeoutMS: 30000 - Enable retryWrites, set serverSelectionTimeoutMS: 5000 Composite Database Indexes (MEDIUM): - Add { _projectId: 1, createdAt: -1 } on templates - Add { _templateId: 1, uploadedDate: -1 } on uploads - Add { status: 1 } on uploads New test coverage (62 tests in 7 new spec files): - IDOR protection (7 tests) - Pagination limits (12 tests) - Rate limiting (6 tests) - Prototype pollution (7 tests) - Async patterns (5 tests) - Aggregate validation (8 tests) - DB connection pool + JWT expiry (8 tests) Total test suite: 148 tests passing across 16 spec files. https://claude.ai/code/session_01KCbLtPYD29xF1zCFukZmbQ
- Update tsconfig target from es5 to es2020 for modern JS features - Remove X-Powered-By header to prevent server fingerprinting - Add Permissions-Policy header (camera, microphone, geolocation denied) - Add CORS preflight cache (maxAge: 86400) to reduce OPTIONS requests - Rename auth.gaurd.ts to auth.guard.ts and update all 11 controller imports - Add WebSocket authentication with JWT verification on connection - Add session ID format validation to prevent injection attacks - Replace console.log/error/warn with NestJS Logger in critical services: - FailedWebhookRetry usecase - UploadCleanupScheduler service - AuthController - Normalize error responses in production (exception filter hides internals) - Add 19 new tests covering all LOW severity fixes https://claude.ai/code/session_01KCbLtPYD29xF1zCFukZmbQ
…vices - Exclude spec files from tsconfig.build.json in queue-manager, dal, services, and shared to prevent mocha/chai type errors during production builds - Fix NODE_ENV comparisons from 'production' to 'prod' in bootstrap.ts and exception.filter.ts to match the typed enum in env.d.ts - Fix IDOR checks in delete/update team member use cases by replacing invalid teamMember._projectId access (not on IApiKey) with getProjectTeamMembers membership lookup - Fix amqp-connection-manager sendToQueue persistent option by using deliveryMode: 2 with type assertion (@types/amqplib not installed) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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