1 var http = require('http');
2 var express = require('express');
3 var fs = require('fs');
4 var io = require('socket.io');
5 var crypto = require('crypto');
8 var staticDir = express.static;
9 var server = http.createServer(app);
14 port: process.env.PORT || 1948,
15 baseDir : __dirname + '/../../'
18 io.on( 'connection', function( socket ) {
19 socket.on('multiplex-statechanged', function(data) {
20 if (typeof data.secret == 'undefined' || data.secret == null || data.secret === '') return;
21 if (createHash(data.secret) === data.socketId) {
23 socket.broadcast.emit(data.socketId, data);
28 [ 'css', 'js', 'plugin', 'lib' ].forEach(function(dir) {
29 app.use('/' + dir, staticDir(opts.baseDir + dir));
32 app.get("/", function(req, res) {
33 res.writeHead(200, {'Content-Type': 'text/html'});
34 fs.createReadStream(opts.baseDir + '/index.html').pipe(res);
37 app.get("/token", function(req,res) {
38 var ts = new Date().getTime();
39 var rand = Math.floor(Math.random()*9999999);
40 var secret = ts.toString() + rand.toString();
41 res.send({secret: secret, socketId: createHash(secret)});
44 var createHash = function(secret) {
45 var cipher = crypto.createCipher('blowfish', secret);
46 return(cipher.final('hex'));
50 server.listen( opts.port || null );
52 var brown = '\033[33m',
56 console.log( brown + "reveal.js:" + reset + " Multiplex running on port " + green + opts.port + reset );