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import { PrismaRepository } from '@api/repository/repository.service';
import { WAMonitoringService } from '@api/services/monitor.service';
import { Auth, configService, Cors, Log, Websocket } from '@config/env.config';
import { Logger } from '@config/logger.config';
import { Server } from 'http';
import { Server as SocketIO } from 'socket.io';
import { EmitData, EventController, EventControllerInterface } from '../event.controller';
export class WebsocketController extends EventController implements EventControllerInterface {
private io: SocketIO;
private corsConfig: Array<any>;
private readonly logger = new Logger('WebsocketController');
constructor(prismaRepository: PrismaRepository, waMonitor: WAMonitoringService) {
super(prismaRepository, waMonitor, configService.get<Websocket>('WEBSOCKET')?.ENABLED, 'websocket');
this.cors = configService.get<Cors>('CORS').ORIGIN;
}
public init(httpServer: Server): void {
if (!this.status) {
return;
}
this.socket = new SocketIO(httpServer, {
cors: { origin: this.cors },
allowRequest: async (req, callback) => {
try {
const url = new URL(req.url || '', 'http://localhost');
const params = new URLSearchParams(url.search);
const { remoteAddress } = req.socket;
const websocketConfig = configService.get<Websocket>('WEBSOCKET');
const allowedHosts = websocketConfig.ALLOWED_HOSTS || '127.0.0.1,::1,::ffff:127.0.0.1';
const isAllowedHost = allowedHosts
.split(',')
.map((h) => h.trim())
.includes(remoteAddress);
if (params.has('EIO') && isAllowedHost) {
return callback(null, true);
}
const apiKey = params.get('apikey') || (req.headers.apikey as string);
if (!apiKey) {
this.logger.error('Connection rejected: apiKey not provided');
return callback('apiKey is required', false);
}
const instance = await this.prismaRepository.instance.findFirst({ where: { token: apiKey } });
if (!instance) {
const globalToken = configService.get<Auth>('AUTHENTICATION').API_KEY.KEY;
if (apiKey !== globalToken) {
this.logger.error('Connection rejected: invalid global token');
return callback('Invalid global token', false);
}
}
callback(null, true);
} catch (error) {
this.logger.error('Authentication error:');
this.logger.error(error);
callback('Authentication error', false);
}
},
});
this.socket.on('connection', (socket) => {
this.logger.info('User connected');
socket.on('disconnect', () => {
this.logger.info('User disconnected');
});
socket.on('sendNode', async (data) => {
try {
await this.waMonitor.waInstances[data.instanceId].baileysSendNode(data.stanza);
this.logger.info('Node sent successfully');
} catch (error) {
this.logger.error('Error sending node:');
this.logger.error(error);
}
});
});
this.logger.info('Socket.io initialized');
}
private set cors(cors: Array<any>) {
this.corsConfig = cors;
}
private get cors(): string | Array<any> {
return this.corsConfig?.includes('*') ? '*' : this.corsConfig;
}
private set socket(socket: SocketIO) {
this.io = socket;
}
public get socket(): SocketIO {
return this.io;
}
public async emit({
instanceName,
origin,
event,
data,
serverUrl,
dateTime,
sender,
apiKey,
integration,
}: EmitData): Promise<void> {
if (integration && !integration.includes('websocket')) {
return;
}
if (!this.status) {
return;
}
const configEv = event.replace(/[.-]/gm, '_').toUpperCase();
const logEnabled = configService.get<Log>('LOG').LEVEL.includes('WEBSOCKET');
const message = {
event,
instance: instanceName,
data,
server_url: serverUrl,
date_time: dateTime,
sender,
apikey: apiKey,
};
if (configService.get<Websocket>('WEBSOCKET')?.GLOBAL_EVENTS) {
this.socket.emit(event, message);
if (logEnabled) {
this.logger.log({ local: `${origin}.sendData-WebsocketGlobal`, ...message });
}
}
try {
const instance = await this.get(instanceName);
if (!instance?.enabled) {
return;
}
if (Array.isArray(instance?.events) && instance?.events.includes(configEv)) {
this.socket.of(`/${instanceName}`).emit(event, message);
if (logEnabled) {
this.logger.log({ local: `${origin}.sendData-Websocket`, ...message });
}
}
} catch (err) {
if (logEnabled) {
this.logger.log(err);
}
}
}
}
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