const express = require('express'); const app = express(); const port = 2428; const server = app.listen(port, () => console.log(`ARNweb API running on port ${port}`)) var io = require('socket.io').listen(server, { path: '/chat/socket.io' }) var striptags = require('striptags'); var MarkdownIt = require('markdown-it'), md = new MarkdownIt(); var users = []; const os = require("os"); const si = require('systeminformation'); var sysInfo; const gameQuery = require('game-server-query'); const fs = require('fs'); let rawdata = fs.readFileSync(__dirname + "/node_modules/game-server-query/games.json"); const games = JSON.parse(rawdata); // Request documentation app.get('/', (req, res) => res.sendFile(__dirname + "/index.html") ); // Function for easy server broadcasts function serverMsg(content) { return { 'username': 'Server', 'mailHash': '470965550d3f019830c421f0535d9268', 'message': content } } // Socket.io server side io.on('connection', function (socket) { // Send identification request to client socket.emit('user_identify'); // Bind username and mailhash to client socket.on('user_login', function (user) { socket.username = user.username; socket.mailHash = user.mailHash; if (users.length > 0) { socket.emit('message_receive', serverMsg(`Hello ${socket.username}, welcome to ARNweb Chat. The following people are currently online: ${users.join(', ')}`)); } else { socket.emit('message_receive', serverMsg(`Hello ${socket.username}, welcome to ARNweb Chat. You are the only one here at the moment`)); } io.emit('message_receive', serverMsg(`${socket.username} has connected`)); users.push(socket.username); }); // Send disconnect broadcast to all clients socket.on('disconnect', function () { io.emit('message_receive', serverMsg(`${socket.username} has disconnected`)); users.splice(users.indexOf(socket.username), 1); }); // Handle messages socket.on('message_send', function (message) { // Build message data for clients var message = striptags(message, '
'); if (message !== '') { message = md.render(message); message = message.replace(/\r?\n/g, '
'); var msg = { 'username': socket.username, 'mailHash': socket.mailHash, 'message': message } // Send message to clients io.emit('message_receive', msg); } else { socket.emit('message_receive', serverMsg(`Empty messages will not be sent.`)); } }); }); // Chat socket and info app.get('/chat/', function (req, res) { // Server browser res.json({ "status": "online", "users": users }); }); // System info app.get('/system/', function (req, res) { var time = new Date(); sysInfo = { "hostname": os.hostname(), "type": os.type(), "load": os.loadavg(), "time": si.time() }; si.cpuTemperature(function (data) { sysInfo["temp"] = data; }); si.mem(function (data) { sysInfo["mem"] = data; res.json(sysInfo); }); }); app.get('/css/:stylesheet', function (req, res) { res.sendFile(__dirname + '/css/' + req.params.stylesheet); }) // Game servers app.get('/:type/:host', function (req, res) { if (games[req.params.type] != undefined) { gameQuery( { type: req.params.type, host: req.params.host }, function (state) { res.json(state); } ); } else { res.json({ "error": "Error: Game type unknown." }); } });