Automated Action 545563e776 Implement comprehensive real-time chat API with NestJS
- 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.
2025-06-21 17:13:05 +00:00

139 lines
3.5 KiB
JavaScript

;(function (root, factory, undef) {
if (typeof exports === "object") {
// CommonJS
module.exports = exports = factory(require("./core"), require("./enc-base64"), require("./md5"), require("./evpkdf"), require("./cipher-core"));
}
else if (typeof define === "function" && define.amd) {
// AMD
define(["./core", "./enc-base64", "./md5", "./evpkdf", "./cipher-core"], factory);
}
else {
// Global (browser)
factory(root.CryptoJS);
}
}(this, function (CryptoJS) {
(function () {
// Shortcuts
var C = CryptoJS;
var C_lib = C.lib;
var StreamCipher = C_lib.StreamCipher;
var C_algo = C.algo;
/**
* RC4 stream cipher algorithm.
*/
var RC4 = C_algo.RC4 = StreamCipher.extend({
_doReset: function () {
// Shortcuts
var key = this._key;
var keyWords = key.words;
var keySigBytes = key.sigBytes;
// Init sbox
var S = this._S = [];
for (var i = 0; i < 256; i++) {
S[i] = i;
}
// Key setup
for (var i = 0, j = 0; i < 256; i++) {
var keyByteIndex = i % keySigBytes;
var keyByte = (keyWords[keyByteIndex >>> 2] >>> (24 - (keyByteIndex % 4) * 8)) & 0xff;
j = (j + S[i] + keyByte) % 256;
// Swap
var t = S[i];
S[i] = S[j];
S[j] = t;
}
// Counters
this._i = this._j = 0;
},
_doProcessBlock: function (M, offset) {
M[offset] ^= generateKeystreamWord.call(this);
},
keySize: 256/32,
ivSize: 0
});
function generateKeystreamWord() {
// Shortcuts
var S = this._S;
var i = this._i;
var j = this._j;
// Generate keystream word
var keystreamWord = 0;
for (var n = 0; n < 4; n++) {
i = (i + 1) % 256;
j = (j + S[i]) % 256;
// Swap
var t = S[i];
S[i] = S[j];
S[j] = t;
keystreamWord |= S[(S[i] + S[j]) % 256] << (24 - n * 8);
}
// Update counters
this._i = i;
this._j = j;
return keystreamWord;
}
/**
* Shortcut functions to the cipher's object interface.
*
* @example
*
* var ciphertext = CryptoJS.RC4.encrypt(message, key, cfg);
* var plaintext = CryptoJS.RC4.decrypt(ciphertext, key, cfg);
*/
C.RC4 = StreamCipher._createHelper(RC4);
/**
* Modified RC4 stream cipher algorithm.
*/
var RC4Drop = C_algo.RC4Drop = RC4.extend({
/**
* Configuration options.
*
* @property {number} drop The number of keystream words to drop. Default 192
*/
cfg: RC4.cfg.extend({
drop: 192
}),
_doReset: function () {
RC4._doReset.call(this);
// Drop
for (var i = this.cfg.drop; i > 0; i--) {
generateKeystreamWord.call(this);
}
}
});
/**
* Shortcut functions to the cipher's object interface.
*
* @example
*
* var ciphertext = CryptoJS.RC4Drop.encrypt(message, key, cfg);
* var plaintext = CryptoJS.RC4Drop.decrypt(ciphertext, key, cfg);
*/
C.RC4Drop = StreamCipher._createHelper(RC4Drop);
}());
return CryptoJS.RC4;
}));