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.
46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
'use strict';
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var punycode = require('punycode/');
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var $encode = punycode.ucs2.encode;
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var regexTest = require('safe-regex-test');
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var callBound = require('call-bound');
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var $TypeError = require('es-errors/type');
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var entities = require('./entities.json');
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var endsInSemicolon = regexTest(/;$/);
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var $replace = callBound('String.prototype.replace');
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var $exec = callBound('RegExp.prototype.exec');
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var $parseInt = parseInt;
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module.exports = function decode(str) {
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if (typeof str !== 'string') {
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throw new $TypeError('Expected a String');
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}
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return $replace(str, /&(#?[^;\W]+;?)/g, function (_, match) {
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var m = $exec(/^#(\d+);?$/, match);
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if (m) {
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return $encode([$parseInt(m[1], 10)]);
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}
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var m2 = $exec(/^#[Xx]([A-Fa-f0-9]+);?/, match);
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if (m2) {
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return $encode([$parseInt(m2[1], 16)]);
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}
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// named entity
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var hasSemi = endsInSemicolon(match);
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var withoutSemi = hasSemi ? $replace(match, /;$/, '') : match;
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var target = entities[withoutSemi] || (hasSemi && entities[match]);
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if (typeof target === 'number') {
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return $encode([target]);
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} else if (typeof target === 'string') {
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return target;
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}
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return '&' + match;
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});
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};
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