49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
var express = require('express');
|
|
var fs = require('fs');
|
|
var io = require('socket.io');
|
|
var crypto = require('crypto');
|
|
|
|
var app = express.createServer();
|
|
var staticDir = express.static;
|
|
|
|
io = io.listen(app);
|
|
|
|
var opts = {
|
|
port: 1948,
|
|
baseDir : __dirname + '/../../'
|
|
};
|
|
|
|
io.sockets.on('connection', function(socket) {
|
|
socket.on('slidechanged', function(slideData) {
|
|
if (createHash(slideData.secret) === slideData.socketId) {
|
|
slideData.secret = null;
|
|
socket.broadcast.emit(slideData.socketId, slideData);
|
|
};
|
|
});
|
|
});
|
|
|
|
app.configure(function() {
|
|
[ 'css', 'js', 'plugin', 'lib' ].forEach(function(dir) {
|
|
app.use('/' + dir, staticDir(opts.baseDir + dir));
|
|
});
|
|
});
|
|
|
|
app.get("/", function(req, res) {
|
|
fs.createReadStream(opts.baseDir + '/index.html').pipe(res);
|
|
});
|
|
|
|
app.get("/token", function(req,res) {
|
|
var ts = new Date().getTime();
|
|
var rand = Math.floor(Math.random()*9999999);
|
|
var secret = ts.toString() + rand.toString();
|
|
res.send({secret: secret, socketId: createHash(secret)});
|
|
});
|
|
|
|
var createHash = function(secret) {
|
|
var cipher = crypto.createCipher('blowfish', secret);
|
|
return(cipher.final('hex'));
|
|
};
|
|
|
|
// Actually listen
|
|
app.listen(opts.port || null);
|