
- Complete NestJS TypeScript implementation with WebSocket support - Direct messaging (DM) and group chat functionality - End-to-end encryption with AES encryption and key pairs - Media file support (images, videos, audio, documents) up to 100MB - Push notifications with Firebase Cloud Messaging integration - Mention alerts and real-time typing indicators - User authentication with JWT and Passport - SQLite database with TypeORM entities and relationships - Comprehensive API documentation with Swagger/OpenAPI - File upload handling with secure access control - Online/offline status tracking and presence management - Message editing, deletion, and reply functionality - Notification management with automatic cleanup - Health check endpoint for monitoring - CORS configuration for cross-origin requests - Environment-based configuration management - Structured for Flutter SDK integration Features implemented: ✅ Real-time messaging with Socket.IO ✅ User registration and authentication ✅ Direct messages and group chats ✅ Media file uploads and management ✅ End-to-end encryption ✅ Push notifications ✅ Mention alerts ✅ Typing indicators ✅ Message read receipts ✅ Online status tracking ✅ File access control ✅ Comprehensive API documentation Ready for Flutter SDK development and production deployment.
17 lines
619 B
BNF
17 lines
619 B
BNF
range-set ::= range ( logical-or range ) *
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logical-or ::= ( ' ' ) * '||' ( ' ' ) *
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range ::= hyphen | simple ( ' ' simple ) * | ''
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hyphen ::= partial ' - ' partial
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simple ::= primitive | partial | tilde | caret
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primitive ::= ( '<' | '>' | '>=' | '<=' | '=' ) partial
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partial ::= xr ( '.' xr ( '.' xr qualifier ? )? )?
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xr ::= 'x' | 'X' | '*' | nr
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nr ::= '0' | [1-9] ( [0-9] ) *
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tilde ::= '~' partial
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caret ::= '^' partial
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qualifier ::= ( '-' pre )? ( '+' build )?
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pre ::= parts
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build ::= parts
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parts ::= part ( '.' part ) *
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part ::= nr | [-0-9A-Za-z]+
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