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.
59 lines
1.3 KiB
JavaScript
59 lines
1.3 KiB
JavaScript
'use strict';
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const {Transform, PassThrough} = require('stream');
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const zlib = require('zlib');
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const mimicResponse = require('mimic-response');
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module.exports = response => {
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const contentEncoding = (response.headers['content-encoding'] || '').toLowerCase();
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if (!['gzip', 'deflate', 'br'].includes(contentEncoding)) {
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return response;
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}
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// TODO: Remove this when targeting Node.js 12.
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const isBrotli = contentEncoding === 'br';
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if (isBrotli && typeof zlib.createBrotliDecompress !== 'function') {
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response.destroy(new Error('Brotli is not supported on Node.js < 12'));
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return response;
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}
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let isEmpty = true;
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const checker = new Transform({
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transform(data, _encoding, callback) {
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isEmpty = false;
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callback(null, data);
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},
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flush(callback) {
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callback();
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}
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});
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const finalStream = new PassThrough({
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autoDestroy: false,
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destroy(error, callback) {
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response.destroy();
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callback(error);
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}
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});
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const decompressStream = isBrotli ? zlib.createBrotliDecompress() : zlib.createUnzip();
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decompressStream.once('error', error => {
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if (isEmpty && !response.readable) {
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finalStream.end();
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return;
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}
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finalStream.destroy(error);
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});
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mimicResponse(response, finalStream);
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response.pipe(checker).pipe(decompressStream).pipe(finalStream);
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return finalStream;
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};
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