sharedrop/app/server.js

105 lines
3.1 KiB
JavaScript

// TODO:
// - require process.env.SECRET
module.exports.server = function (options) {
// Room server
var http = require('http'),
util = require('util'),
path = require('path'),
express = require('express'),
uuid = require('node-uuid'),
crypto = require('crypto'),
extend = require('deep-extend'),
persona = require('express-persona'),
socketIo = require('socket.io'),
app = express(),
host = process.env.HOST,
port = process.env.PORT,
webPort = process.env.WEB_PORT, // 80 or 443
secret = process.env.SECRET,
server, io, base;
options = options || {};
base = options.base || ['.'];
app.use(express.logger());
app.use(express.urlencoded());
app.use(express.cookieParser());
app.use(express.session({ secret: secret }));
app.use(express.compress());
app.use(express.json());
base.forEach(function (dir) {
app.use('/scripts', express.static(dir + '/scripts'));
app.use('/styles', express.static(dir + '/styles'));
app.use('/fonts', express.static(dir + '/fonts'));
});
//
// Web server
//
// Handle Persona authentication
persona(app, { audience: 'http://' + host + ':' + webPort });
app.get('/', function (req, res) {
var root = path.join(__dirname, '..', base[0]);
res.sendfile(root + '/index.html');
});
app.get('/room', function (req, res) {
var ip = req.headers['x-forwarded-for'] || req.ip,
name = crypto.createHmac('md5', secret).update(ip).digest('hex');
res.json({ name: name, uuid: uuid.v1(), public_ip: ip });
});
//
// Room server
//
server = http.createServer(app);
io = socketIo.listen(server);
io.sockets.on('connection', function (client) {
// When a peer joins a room, send back list of other peers already there
client.on('join', function (data) {
var room = data.room,
peer = data.peer;
console.log('#join data: ', data);
client.peer = peer;
var clients = io.sockets.clients(room),
peers = clients.map(function (client) {return client.peer;});
// Send back list of other peers in the room
client.emit('user_list', peers);
// Join the room
client.join(room);
// Notify other peers that a new peer has joined the room
client.broadcast.to(room).emit('user_added', client.peer);
// Notify other peers when a peer leaves the room
client.on('disconnect', function () {
client.broadcast.to(room).emit('user_removed', client.peer);
});
console.log('#join peers already in the room: ', peers);
});
client.on('update', function (data) {
var room = data.room,
peer = data.peer;
extend(client.peer, peer);
client.broadcast.to(room).emit('user_changed', client.peer);
});
});
return server;
};