
- 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.
42 lines
885 B
JavaScript
42 lines
885 B
JavaScript
'use strict';
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const { PassThrough } = require('stream');
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module.exports = function (/*streams...*/) {
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var sources = []
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var output = new PassThrough({objectMode: true})
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output.setMaxListeners(0)
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output.add = add
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output.isEmpty = isEmpty
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output.on('unpipe', remove)
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Array.prototype.slice.call(arguments).forEach(add)
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return output
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function add (source) {
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if (Array.isArray(source)) {
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source.forEach(add)
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return this
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}
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sources.push(source);
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source.once('end', remove.bind(null, source))
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source.once('error', output.emit.bind(output, 'error'))
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source.pipe(output, {end: false})
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return this
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}
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function isEmpty () {
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return sources.length == 0;
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}
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function remove (source) {
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sources = sources.filter(function (it) { return it !== source })
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if (!sources.length && output.readable) { output.end() }
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}
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}
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