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This commit is contained in:
Saúl Ibarra Corretgé
parent
48fc7767bd
commit
e6789b111f
3 changed files with 92 additions and 70 deletions
20
package-lock.json
generated
20
package-lock.json
generated
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@ -24,6 +24,7 @@
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},
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"devDependencies": {
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"@jitsi/eslint-config": "^4.1.0",
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"@types/dotenv": "^8.2.0",
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"@typescript-eslint/eslint-plugin": "5.30.5",
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"@typescript-eslint/parser": "5.30.4",
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"eslint": "8.1.0",
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@ -620,6 +621,16 @@
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"resolved": "https://registry.npmjs.org/@types/debug/-/debug-4.1.5.tgz",
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"integrity": "sha512-Q1y515GcOdTHgagaVFhHnIFQ38ygs/kmxdNpvpou+raI9UO3YZcHDngBSYKQklcKlvA7iuQlmIKbzvmxcOE9CQ=="
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},
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"node_modules/@types/dotenv": {
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"version": "8.2.0",
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"resolved": "https://registry.npmjs.org/@types/dotenv/-/dotenv-8.2.0.tgz",
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"integrity": "sha512-ylSC9GhfRH7m1EUXBXofhgx4lUWmFeQDINW5oLuS+gxWdfUeW4zJdeVTYVkexEW+e2VUvlZR2kGnGGipAWR7kw==",
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"deprecated": "This is a stub types definition. dotenv provides its own type definitions, so you do not need this installed.",
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"dev": true,
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"dependencies": {
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"dotenv": "*"
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}
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},
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"node_modules/@types/express": {
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"version": "4.17.11",
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"resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.11.tgz",
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@ -5282,6 +5293,15 @@
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"resolved": "https://registry.npmjs.org/@types/debug/-/debug-4.1.5.tgz",
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"integrity": "sha512-Q1y515GcOdTHgagaVFhHnIFQ38ygs/kmxdNpvpou+raI9UO3YZcHDngBSYKQklcKlvA7iuQlmIKbzvmxcOE9CQ=="
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},
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"@types/dotenv": {
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"version": "8.2.0",
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"resolved": "https://registry.npmjs.org/@types/dotenv/-/dotenv-8.2.0.tgz",
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"integrity": "sha512-ylSC9GhfRH7m1EUXBXofhgx4lUWmFeQDINW5oLuS+gxWdfUeW4zJdeVTYVkexEW+e2VUvlZR2kGnGGipAWR7kw==",
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"dev": true,
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"requires": {
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"dotenv": "*"
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}
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},
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"@types/express": {
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"version": "4.17.11",
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"resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.11.tgz",
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@ -36,6 +36,7 @@
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},
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"devDependencies": {
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"@jitsi/eslint-config": "^4.1.0",
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"@types/dotenv": "^8.2.0",
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"@typescript-eslint/eslint-plugin": "5.30.5",
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"@typescript-eslint/parser": "5.30.4",
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"eslint": "8.1.0",
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141
src/index.ts
141
src/index.ts
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@ -1,100 +1,101 @@
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import debug from "debug";
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import express from "express";
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import http from "http";
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import socketIO from "socket.io";
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import * as prometheus from "socket.io-prometheus-metrics";
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import debug from 'debug';
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import dotenv from 'dotenv';
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import express from 'express';
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import http from 'http';
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import socketIO from 'socket.io';
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import * as prometheus from 'socket.io-prometheus-metrics';
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const serverDebug = debug("server");
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const ioDebug = debug("io");
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const socketDebug = debug("socket");
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const serverDebug = debug('server');
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const ioDebug = debug('io');
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const socketDebug = debug('socket');
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require("dotenv").config(
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process.env.NODE_ENV !== "development"
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? { path: ".env.production" }
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: { path: ".env.development" },
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dotenv.config(
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process.env.NODE_ENV === 'development'
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? { path: '.env.development' }
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: { path: '.env.production' }
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);
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const app = express();
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const port = process.env.PORT || 80; // default port to listen
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app.use(express.static("public"));
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app.use(express.static('public'));
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app.get("/", (req, res) => {
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res.send("Excalidraw backend is up :)");
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app.get('/', (req, res) => {
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res.send('Excalidraw backend is up :)');
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});
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const server = http.createServer(app);
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server.listen(port, () => {
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serverDebug(`listening on port: ${port}`);
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serverDebug(`listening on port: ${port}`);
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});
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const io = socketIO(server, {
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handlePreflightRequest: (req, res) => {
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const headers = {
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"Access-Control-Allow-Headers": "Content-Type, Authorization",
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"Access-Control-Allow-Origin":
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(req.header && req.header.origin) || "https://meet.jit.si",
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"Access-Control-Allow-Credentials": true,
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};
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res.writeHead(200, headers);
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res.end();
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},
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handlePreflightRequest: (req, res) => {
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const headers = {
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'Access-Control-Allow-Headers': 'Content-Type, Authorization',
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'Access-Control-Allow-Origin': req.header?.origin ?? 'https://meet.jit.si',
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'Access-Control-Allow-Credentials': true
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};
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res.writeHead(200, headers);
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res.end();
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}
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});
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// listens on host:9090/metrics
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prometheus.metrics(io, {
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collectDefaultMetrics: true
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collectDefaultMetrics: true
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});
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io.on("connection", (socket) => {
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ioDebug("connection established!");
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io.to(`${socket.id}`).emit("init-room");
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socket.on("join-room", (roomID) => {
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socketDebug(`${socket.id} has joined ${roomID}`);
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socket.join(roomID);
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if (io.sockets.adapter.rooms[roomID].length <= 1) {
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io.to(`${socket.id}`).emit("first-in-room");
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} else {
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socket.broadcast.to(roomID).emit("new-user", socket.id);
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io.on('connection', socket => {
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ioDebug('connection established!');
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io.to(`${socket.id}`).emit('init-room');
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socket.on('join-room', roomID => {
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socketDebug(`${socket.id} has joined ${roomID}`);
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socket.join(roomID);
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if (io.sockets.adapter.rooms[roomID].length <= 1) {
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io.to(`${socket.id}`).emit('first-in-room');
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} else {
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socket.broadcast.to(roomID).emit('new-user', socket.id);
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}
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io.in(roomID).emit(
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'room-user-change',
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Object.keys(io.sockets.adapter.rooms[roomID].sockets)
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);
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});
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socket.on(
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'server-broadcast',
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(roomID: string, encryptedData: ArrayBuffer, iv: Uint8Array) => {
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socketDebug(`${socket.id} sends update to ${roomID}`);
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socket.broadcast.to(roomID).emit('client-broadcast', encryptedData, iv);
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}
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io.in(roomID).emit(
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"room-user-change",
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Object.keys(io.sockets.adapter.rooms[roomID].sockets),
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);
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});
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socket.on(
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"server-broadcast",
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socket.on(
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'server-volatile-broadcast',
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(roomID: string, encryptedData: ArrayBuffer, iv: Uint8Array) => {
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socketDebug(`${socket.id} sends update to ${roomID}`);
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socket.broadcast.to(roomID).emit("client-broadcast", encryptedData, iv);
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},
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);
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socket.on(
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"server-volatile-broadcast",
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(roomID: string, encryptedData: ArrayBuffer, iv: Uint8Array) => {
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socketDebug(`${socket.id} sends volatile update to ${roomID}`);
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socket.volatile.broadcast
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socketDebug(`${socket.id} sends volatile update to ${roomID}`);
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socket.volatile.broadcast
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.to(roomID)
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.emit("client-broadcast", encryptedData, iv);
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},
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);
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socket.on("disconnecting", () => {
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const rooms = io.sockets.adapter.rooms;
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for (const roomID in socket.rooms) {
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const clients = Object.keys(rooms[roomID].sockets).filter(
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(id) => id !== socket.id,
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);
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if (clients.length > 0) {
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socket.broadcast.to(roomID).emit("room-user-change", clients);
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}
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.emit('client-broadcast', encryptedData, iv);
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}
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});
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);
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socket.on("disconnect", () => {
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socket.removeAllListeners();
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});
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socket.on('disconnecting', () => {
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const rooms = io.sockets.adapter.rooms;
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for (const roomID of Object.keys(socket.rooms)) {
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const clients = Object.keys(rooms[roomID].sockets).filter(id => id !== socket.id);
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if (clients.length > 0) {
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socket.broadcast.to(roomID).emit('room-user-change', clients);
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}
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}
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});
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socket.on('disconnect', () => {
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socket.removeAllListeners();
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});
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});
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