545563e776
- 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.
20 lines
407 B
JavaScript
20 lines
407 B
JavaScript
const { random } = require('@lukeed/csprng');
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var IDX=256, HEX=[], SIZE=256*16, BUFFER;
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while (IDX--) HEX[IDX] = (IDX + 256).toString(16).substring(1);
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function uid(len) {
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var str='', tmp=(len || 11), num=(1+tmp) / 2 | 0;
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if (!BUFFER || ((IDX + num) > SIZE)) {
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BUFFER = random(SIZE);
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IDX = 0;
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}
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while (num--) {
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str += HEX[BUFFER[IDX++]];
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}
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return str.substring(0, tmp);
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}
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exports.uid = uid; |