64 lines
No EOL
1.8 KiB
JavaScript
Executable file
64 lines
No EOL
1.8 KiB
JavaScript
Executable file
var http = require('http');
|
|
var express = require('express');
|
|
var fs = require('fs');
|
|
var io = require('socket.io');
|
|
var crypto = require('crypto');
|
|
|
|
var app = express();
|
|
var staticDir = express.static;
|
|
var server = http.createServer(app);
|
|
|
|
io = io(server);
|
|
|
|
var opts = {
|
|
port: process.env.PORT || 1948,
|
|
baseDir : __dirname + '/../../'
|
|
};
|
|
|
|
io.on( 'connection', function( socket ) {
|
|
socket.on('multiplex-statechanged', function(data) {
|
|
if (typeof data.secret == 'undefined' || data.secret == null || data.secret === '') return;
|
|
if (createHash(data.secret) === data.socketId) {
|
|
data.secret = null;
|
|
socket.broadcast.emit(data.socketId, data);
|
|
};
|
|
});
|
|
});
|
|
|
|
[ 'css', 'js', 'plugin', 'lib' ].forEach(function(dir) {
|
|
app.use('/' + dir, staticDir(opts.baseDir + dir));
|
|
});
|
|
|
|
app.get("/", function(req, res) {
|
|
res.writeHead(200, {'Content-Type': 'text/html'});
|
|
|
|
var stream = fs.createReadStream(opts.baseDir + '/index.html');
|
|
stream.on('error', function( error ) {
|
|
res.write('<style>body{font-family: sans-serif;}</style><h2>reveal.js multiplex server.</h2><a href="/token">Generate token</a>');
|
|
res.end();
|
|
});
|
|
stream.on('readable', function() {
|
|
stream.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
|
|
server.listen( opts.port || null );
|
|
|
|
var brown = '\033[33m',
|
|
green = '\033[32m',
|
|
reset = '\033[0m';
|
|
|
|
console.log( brown + "reveal.js:" + reset + " Multiplex running on port " + green + opts.port + reset ); |