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@ -4,9 +4,18 @@ 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 {Server} from 'socket.io';
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/*
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import * as prometheus from 'socket.io-prometheus-metrics';
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do not use anymore, since 3 years no further progression, depends on debug 4.1.1,
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wich is moderate vulnerable to regular expression denial of service when untrusted user
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input is passed into the o formatter.
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alternatively could be used prom-client
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import
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*/
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const serverDebug = debug('server');
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dotenv.config(
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@ -28,25 +37,34 @@ server.listen(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': 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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const io = require("socket.io")(Server, {
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cors: {
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origin: "https://meet.jit.si",
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credentials: true
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},
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maxHttpBufferSize: 10e6,
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pingTimeout: 10000
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});
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// listens on host:9090/metrics
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/* do not use
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prometheus.metrics(io, {
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collectDefaultMetrics: true
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});
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*/
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/* alternatively could be used:
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const client = require('prom-client');
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const collectDefaultMetrics = client.collectDefaultMetrics;
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const Registry = client.Registry;
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const register = new Registry();
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collectDefaultMetrics({ register });
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or more:
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https://codersociety.com/blog/articles/nodejs-application-monitoring-with-prometheus-and-grafana
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*/
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io.on('connection', socket => {
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serverDebug(`connection established! ${socket.conn.request.url}`);
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