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

91 lines
3.1 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.hmac = exports.HMAC = void 0;
/**
* HMAC: RFC2104 message authentication code.
* @module
*/
const utils_ts_1 = require("./utils.js");
class HMAC extends utils_ts_1.Hash {
constructor(hash, _key) {
super();
this.finished = false;
this.destroyed = false;
(0, utils_ts_1.ahash)(hash);
const key = (0, utils_ts_1.toBytes)(_key);
this.iHash = hash.create();
if (typeof this.iHash.update !== 'function')
throw new Error('Expected instance of class which extends utils.Hash');
this.blockLen = this.iHash.blockLen;
this.outputLen = this.iHash.outputLen;
const blockLen = this.blockLen;
const pad = new Uint8Array(blockLen);
// blockLen can be bigger than outputLen
pad.set(key.length > blockLen ? hash.create().update(key).digest() : key);
for (let i = 0; i < pad.length; i++)
pad[i] ^= 0x36;
this.iHash.update(pad);
// By doing update (processing of first block) of outer hash here we can re-use it between multiple calls via clone
this.oHash = hash.create();
// Undo internal XOR && apply outer XOR
for (let i = 0; i < pad.length; i++)
pad[i] ^= 0x36 ^ 0x5c;
this.oHash.update(pad);
(0, utils_ts_1.clean)(pad);
}
update(buf) {
(0, utils_ts_1.aexists)(this);
this.iHash.update(buf);
return this;
}
digestInto(out) {
(0, utils_ts_1.aexists)(this);
(0, utils_ts_1.abytes)(out, this.outputLen);
this.finished = true;
this.iHash.digestInto(out);
this.oHash.update(out);
this.oHash.digestInto(out);
this.destroy();
}
digest() {
const out = new Uint8Array(this.oHash.outputLen);
this.digestInto(out);
return out;
}
_cloneInto(to) {
// Create new instance without calling constructor since key already in state and we don't know it.
to || (to = Object.create(Object.getPrototypeOf(this), {}));
const { oHash, iHash, finished, destroyed, blockLen, outputLen } = this;
to = to;
to.finished = finished;
to.destroyed = destroyed;
to.blockLen = blockLen;
to.outputLen = outputLen;
to.oHash = oHash._cloneInto(to.oHash);
to.iHash = iHash._cloneInto(to.iHash);
return to;
}
clone() {
return this._cloneInto();
}
destroy() {
this.destroyed = true;
this.oHash.destroy();
this.iHash.destroy();
}
}
exports.HMAC = HMAC;
/**
* HMAC: RFC2104 message authentication code.
* @param hash - function that would be used e.g. sha256
* @param key - message key
* @param message - message data
* @example
* import { hmac } from '@noble/hashes/hmac';
* import { sha256 } from '@noble/hashes/sha2';
* const mac1 = hmac(sha256, 'key', 'message');
*/
const hmac = (hash, key, message) => new HMAC(hash, key).update(message).digest();
exports.hmac = hmac;
exports.hmac.create = (hash, key) => new HMAC(hash, key);
//# sourceMappingURL=hmac.js.map