- Added APIKey field to Webhook model with unique index
- Implemented GenerateAPIKey() method using crypto/rand for secure key generation
- Implemented ValidateAPIKey() method to authenticate webhook requests
- Implemented RegenerateAPIKey() method to rotate API keys
- Created WebhookAPIKeyMiddleware for validating API keys in requests
- Middleware supports X-API-Key header and Authorization: Bearer format
- Added endpoint POST /api/v1/webhooks/:id/regenerate-key
- API keys are prefixed with 'whk_' for identification
- Comprehensive unit tests for all API key functionality
- Inactive webhooks cannot authenticate with their API keys
Phase: PHASE-4
Priority: P2
Progress: 119/267 (44.57%)
- Created DataExportService for comprehensive user data export (GDPR compliance)
- Exports all user data: profile, settings, tracks, playlists, comments, likes, analytics, federated identities, roles
- Added ExportUserData method to retrieve all user data from database
- Added ExportUserDataAsJSON method to export as downloadable JSON file
- Added endpoint GET /api/v1/users/me/export that returns JSON file download
- Comprehensive unit tests for export service
- Proper error handling and logging
Phase: PHASE-6
Priority: P2
Progress: 118/267 (44.19%)
- Created recovery package with comprehensive retry logic
- Implemented Retry and RetryWithResult with configurable strategies
- Added exponential backoff with jitter support
- Created multiple recovery strategies:
- RetryRecoveryStrategy: retry with backoff
- FallbackRecoveryStrategy: fallback function
- CircuitBreakerRecoveryStrategy: wait for circuit breaker
- CompositeRecoveryStrategy: combine multiple strategies
- Added helper functions: IsRetryableError, IsTemporaryError, IsPermanentError
- Support for context cancellation and timeout
- Comprehensive unit tests for all recovery mechanisms
Phase: PHASE-6
Priority: P2
Progress: 117/267 (43.82%)
- Created VersionManager for managing API versions
- Added VersionMiddleware for automatic version detection:
- X-API-Version header
- Accept header (application/vnd.veza.v1+json)
- URL path (/api/v1/...)
- Added support for deprecated versions with sunset dates
- Added /api/versions endpoint for version information
- Added helpers: GetAPIVersion, GetAPIVersionInfo
- Comprehensive unit tests for versioning system
- Integrated version manager in APIRouter
Phase: PHASE-6
Priority: P2
Progress: 115/267 (43.07%)
- Created TraceContext struct for distributed tracing
- Implemented W3C Trace Context format support (traceparent header)
- Added backward compatibility with legacy X-Trace-ID and X-Span-ID headers
- Created HTTPClientWithTracing for automatic trace propagation in outgoing requests
- Enhanced Tracing middleware to use new trace context system
- Added context propagation helpers (WithTraceContext, FromContext)
- Added child span creation for nested operations
- Comprehensive unit tests for trace context and HTTP client
Phase: PHASE-6
Priority: P2
Progress: 114/267 (42.70%)
- Created ShutdownManager for coordinated graceful shutdown of all services
- Added Shutdowner interface for services that need graceful shutdown
- Implemented parallel shutdown with individual timeouts (10s per service)
- Added global shutdown timeout (30s total)
- Integrated shutdown manager in main.go for:
- HTTP server shutdown
- JobWorker cancellation
- Config.Close() (DB, Redis, RabbitMQ)
- Logger sync
- Sentry flush
- Added comprehensive unit tests for shutdown manager
- Prevents registration of new services during shutdown
Phase: PHASE-6
Priority: P2
Progress: 113/267 (42.32%)
- Enhanced HealthCheck struct with Details field for additional metrics
- Added detailed database pool statistics (open connections, in use, idle, wait counts)
- Added health checks for S3 storage service (if enabled)
- Added health checks for Job Worker with job queue statistics
- Added health checks for Email Sender (SMTP configuration)
- Updated HealthHandler to accept additional services
- Updated router to pass S3, JobWorker, and EmailSender to health handler
Phase: PHASE-6
Priority: P2
Progress: 112/267 (41.95%)
- Added HTTP writer for centralized log collection (Loki-compatible)
- Created AggregationConfig with batch processing and flush intervals
- Integrated with existing zap logger using multi-core approach
- Added environment variables for configuration (LOG_AGGREGATION_ENABLED, LOG_AGGREGATION_ENDPOINT, etc.)
- Added unit tests for aggregation functionality
- Updated config.go to initialize logger with aggregation if enabled
Phase: PHASE-6
Priority: P2
Progress: 111/267 (41.57%)
- Created monitoring and alerting service with Prometheus integration
- Support for alert rules with thresholds and severities
- Alert firing and resolution tracking
- Notification callbacks for alert events
- Continuous monitoring with configurable intervals
- Default alert rules for common scenarios
- Prometheus query evaluation and threshold checking
- Comprehensive unit tests for core functionality
- Created CDN service with support for multiple providers
- Support for CloudFront, Cloudflare, and generic CDN
- URL generation for assets, audio, HLS streams, and images
- Cache invalidation with batch support
- Signed URL generation for private content
- Cache headers configuration
- Provider abstraction for easy switching
- Comprehensive unit tests for all functionality
- Enhanced HLS streaming service with additional features
- Stream validation and health checks
- URL generation for master and quality playlists
- Stream cleanup and management
- Statistics and monitoring
- Stream listing with filtering and pagination
- Status updates and existence checks
- Comprehensive unit tests for core functionality
- Created AudioTranscodeService with FFmpeg support
- Support for multiple audio formats (MP3, AAC, FLAC, OGG, WAV, M4A)
- Configurable bitrates and quality presets (low, medium, high, lossless)
- Sample rate and channel configuration
- Timeout handling and error management
- Transcode and TranscodeMultiple methods
- FFmpeg availability checking
- Audio metadata extraction using ffprobe
- Format validation and codec selection
- Comprehensive unit tests for core functionality
- Enhanced image processing service with multiple features
- Support for multiple image sizes (thumbnail, small, medium, large)
- Multiple output formats (JPEG, PNG, WebP)
- Configurable quality settings and processing options
- ProcessImage with customizable options
- ProcessAvatar for optimized avatar processing
- ProcessImageMultipleSizes for batch processing
- OptimizeImage for target file size optimization
- Image format conversion and validation
- Comprehensive unit tests for core functions
- Created Notification model for GORM with proper relationships
- Enhanced NotificationService with GORM-based implementation
- Features: pagination, filtering by type/read status, batch creation
- Mark as read (single and all), deletion (single and all read)
- Unread count and notification types listing
- Comprehensive unit tests for all operations
- Better error handling and logging
- Created AnalyticsAggregationService for analytics_events table
- Aggregation by event type and time period (hour, day, week, month)
- Support for filtering by event names and user ID
- Features: event counts, unique users, average per user, payload summary
- Top events ranking and user activity counts
- Uses PostgreSQL date_trunc and to_char for period grouping
- Added unit tests for service validation and helper functions
- Created TrackRecommendationService with ML-based algorithms
- Collaborative filtering (40%) using similar users' preferences
- Content-based filtering (30%) using track metadata (genre, artist, year)
- Popularity scoring (20%) based on play_count and like_count
- Recency scoring (10%) for recently uploaded tracks
- Support for seed tracks, genre filtering, and track exclusion
- Added unit tests for scoring algorithms
- Combines multiple algorithms for personalized recommendations
- Created FullTextSearchService using PostgreSQL tsvector/tsquery
- Supports full-text search for tracks, users, and playlists
- Uses GIN indexes from migration 048_search_indexes.sql
- Features relevance scoring with ts_rank_cd
- Weighted search (title/name weighted higher than description)
- Pagination and minimum relevance score filtering
- Unified search across all types and individual search methods
- Added unit tests for service validation and query preparation
- Added AWS SDK v2 dependency for S3 support
- Created S3StorageService implementing S3Service interface
- Support for AWS S3 and MinIO (S3-compatible storage)
- Added S3 configuration in config.go with environment variables
- Implemented upload, delete, presigned URL, and public URL methods
- Added unit tests for service validation and URL generation
- Service integrates with existing TrackStorageService
- Created dashboardService.ts to fetch real stats and activity from API
- Created useDashboard hook for managing dashboard data
- Updated DashboardPage to use real data instead of hardcoded values
- Added loading states and skeletons for better UX
- Made quick actions functional with navigation
- Added activity timeline with real timestamps
- Formatted numbers with K/M suffixes for readability
- Added relative time formatting using date-fns
- Enhanced secrets management with environment-aware defaults
- Fixed RabbitMQ URL: no default credentials in production
- Added getRabbitMQURL with environment-aware logic
- Added ValidateRequiredSecrets to validate required secrets
- Added RequiredSecretKeys listing production-required secrets
- Added validation for RabbitMQ URL in production
- All secrets properly managed via environment variables
- No hardcoded secrets in production code
- Enhanced security headers middleware with additional headers
- Added X-Permitted-Cross-Domain-Policies: none
- Added Cross-Origin-Embedder-Policy: require-corp
- Added Cross-Origin-Opener-Policy: same-origin
- Added Cross-Origin-Resource-Policy: same-origin
- Enhanced Permissions-Policy with additional restrictions
- Enhanced CSP with frame-ancestors directive
- HSTS now only set in production (not in development)
- Updated tests to verify all new headers
- Created comprehensive sanitization utility functions
- SanitizeInput, SanitizeText, SanitizeHTML, SanitizeURL, SanitizeEmail, SanitizeUsername
- Applied sanitization to profile handler (username, bio, names, search)
- Applied sanitization to social posts content
- Applied sanitization to comment content
- Applied sanitization to playlist titles and descriptions
- All functions prevent XSS via HTML escaping and remove dangerous URL schemes
- Removes control characters and limits input length to prevent DoS
- Added automatic session refresh mechanism in auth middleware
- Sessions are refreshed when they reach 25% of lifetime remaining
- Refresh happens asynchronously to avoid blocking requests
- Applied to both RequireAuth and OptionalAuth middlewares
- Session timeout enforced through ValidateSession checks
- Created AccountLockoutService to track failed login attempts
- Accounts are locked after 5 failed attempts within 15 minutes
- Lockout duration: 30 minutes (auto-unlock)
- Service uses Redis for persistence (fail-open if Redis unavailable)
- Integrated into AuthService Login method:
* Check account lockout status before login
* Record failed attempts (even for non-existent users to prevent enumeration)
* Reset failed attempts counter on successful login
* Auto-unlock expired accounts
- Added SetAccountLockoutService method to AuthService
- Service initialized in router when Redis is available
Phase: PHASE-4
Priority: P1
Progress: 9/267 (3.4%)
- Enhanced PasswordValidator with additional security checks:
* Maximum length validation (128 characters)
* Common password detection (password, 123456, qwerty, etc.)
* Repetitive pattern detection (aaaa, 1111, etc.)
* Sequential pattern detection (1234, abcd, qwerty, etc.)
- Added ValidatePasswordChange method to ensure new password is
sufficiently different from old password (similarity check)
- Updated PasswordService to use enhanced validator consistently
- Replaced utils.ValidatePasswordStrength with validators.PasswordValidator
- All password operations now use the same comprehensive validation rules
Phase: PHASE-4
Priority: P1
Progress: 8/267 (3.0%)
- Applied RegisterRateLimit to POST /auth/register (3 attempts/hour)
- Applied PasswordResetRateLimit to password reset endpoints (3 attempts/hour)
- Added VerifyEmailRateLimit for POST /auth/verify-email (5 attempts/hour)
- Added ResendVerificationRateLimit for POST /auth/resend-verification (3 attempts/hour)
- Login endpoint already had rate limiting (5 attempts/15min)
- All rate limits are IP-based and use Redis for persistence
- Rate limiting disabled in test/e2e environments
Phase: PHASE-4
Priority: P1
Progress: 7/267 (2.6%)
- Added additional filters: resource_id, ip_address, user_agent
- Added page-based pagination support in addition to offset-based
- Added CountLogs method to get total count for pagination
- Standardized SearchLogs handler to use RespondSuccess/RespondWithAppError
- Replaced c.Get with GetUserIDUUID helper
- Improved validation for query parameters
- Response includes total count, page, total_pages, and offset metadata
Phase: PHASE-2
Priority: P2
Progress: 41/267 (15.4%)
