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server.js
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server.js
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var ssdp = require("peer-ssdp"),
peer = ssdp.createPeer(),
uuid = require('node-uuid'),
myUuid = uuid.v4(),
fs = require('fs'),
express = require('express'),
http = require('http'),
app = express(),
querystring = require('querystring'),
request = require('superagent')
logger = require('morgan')
bodyParser = require('body-parser')
methodOverride = require('method-override');
var argv = require('optimist')
.usage('Usage: $0 --name [name]')
.demand(['name'])
.argv;
var name = argv.name;
app.set('port', 8008);
app.use(function(req, res, next) {
var data = '';
req.setEncoding('utf8');
req.on('data', function(chunk) {
data += chunk;
});
req.on('end', function() {
req.rawBody = data;
next();
});
});
app.disable('x-powered-by');
app.use(express.static(__dirname + '/public'));
app.use(logger());
app.use(bodyParser());
app.use(methodOverride());
app.use(function (req, res, next) {
res.removeHeader("Connection");
next();
});
app.disable('x-powered-by');
var server = http.createServer(app);
server.listen(app.get('port'), function(){
console.log('Express server listening on port ' + app.get('port'));
});
var WebSocketServer = require('websocket').server;
var WebSocketRouter = require('websocket').router;
var wsServer = new WebSocketServer({
httpServer: server,
// You should not use autoAcceptConnections for production
// applications, as it defeats all standard cross-origin protection
// facilities built into the protocol and the browser. You should
// *always* verify the connection's origin and decide whether or not
// to accept it.
autoAcceptConnections: false
});
var wssRouter = new WebSocketRouter();
wssRouter.attachServer(wsServer);
wsServer.on('request', function(request) {
});
wssRouter.mount('/stage','', function(request) {
global.stageConnection = request.accept(request.origin);
global.stageConnection.send(JSON.stringify({
cmd: "idle"
}));
});
wssRouter.mount('/system/control','', function(request) {
var connection = request.accept(request.origin);
console.log("system/control");
});
wssRouter.mount('/connection','', function(request) {
var connection = request.accept(request.origin);
var name;
connection.on('message', function(message) {
var cmd = JSON.parse(message.utf8Data);
if(cmd.type == "REGISTER") {
name = cmd.name;
connection.send(JSON.stringify({
type: "CHANNELREQUEST",
"senderId": 1,
"requestId": 1
}));
wssRouter.mount("/receiver/"+cmd.name, '', function(request) {
var receiverConnection = request.accept(request.origin);
var appName = request.resourceURL.pathname.replace('/receiver/','').replace('Dev','');
Apps.registered[appName].registerReceiver(receiverConnection);
});
} else if(cmd.type == "CHANNELRESPONSE") {
connection.send(JSON.stringify({
type: "NEWCHANNEL",
"senderId": 1,
"requestId": 1,
"URL": "ws://localhost:8008/receiver/"+name
}));
}
});
});
var regex = new RegExp('^/session/.*$');
wssRouter.mount(regex, '', function(request) {
var sessionConn = request.accept(request.origin);
console.log("Session up");
var appName = request.resourceURL.pathname.replace('/session/','');
var sessionId = request.resourceURL.search.replace('?','');
var targetApp = Apps.registered[appName];
if(targetApp) {
targetApp.registerSession(sessionConn);
}
});
function getIPAddress() {
var n = require('os').networkInterfaces();
var ip = []
for (var k in n) {
var inter = n[k];
for (var j in inter) {
if (inter[j].family === 'IPv4' && !inter[j].internal) {
return inter[j].address
}
}
}
}
var addr = getIPAddress();
console.log(addr);
setupApps(addr);
setupRoutes(addr);
setupSSDP(addr);
var Apps;
function setupApps(addr) {
Apps = require('./apps/apps.js');
Apps.init(fs, app);
Apps.registerApp(app, addr, "ChromeCast", "https://www.gstatic.com/cv/receiver.html?$query", "");
Apps.registerApp(app, addr, "YouTube", "https://www.youtube.com/tv?$query", "");
Apps.registerApp(app, addr, "PlayMovies", "https://play.google.com/video/avi/eureka?$query", "");
Apps.registerApp(app, addr, "GoogleMusic", "https://jmt17.google.com/sjdev/cast/player", "");
Apps.registerApp(app, addr, "GoogleCastSampleApp", "http://anzymrcvr.appspot.com/receiver/anzymrcvr.html", "");
Apps.registerApp(app, addr, "GoogleCastPlayer", "https://www.gstatic.com/eureka/html/gcp.html", "");
Apps.registerApp(app, addr, "Fling", "$query", "");
Apps.registerApp(app, addr, "TicTacToe", "http://www.gstatic.com/eureka/sample/tictactoe/tictactoe.html", "");
}
function setupRoutes(addr) {
app.get("/ssdp/device-desc.xml", function(req, res) {
fs.readFile('./device-desc.xml', 'utf8', function (err,data) {
data = data.replace("#uuid#", myUuid).replace("#base#","http://"+req.headers.host).replace("#name#", name);
res.type('xml');
res.setHeader("Access-Control-Allow-Method", "GET, POST, DELETE, OPTIONS");
res.setHeader("Access-Control-Expose-Headers", "Location");
res.setHeader("Application-Url", "http://"+req.headers.host+"/apps");
res.send(data);
});
});
app.post('/connection/:app', function(req, res) {
console.log("Connecting App "+ req.params.app);
res.setHeader("Access-Control-Allow-Method", "POST, OPTIONS");
res.setHeader("Access-Control-Allow-Headers", "Content-Type");
res.type("json");
res.send(JSON.stringify({
URL: "ws://"+addr+":8008/session/"+req.params.app+"?1",
pingInterval: 3
}))
});
app.get('/apps', function(req, res){
for (var key in Apps.registered) {
if(Apps.registered[key].config.state == "running") {
console.log("Redirecting to"+ key);
res.redirect('/apps/'+key);
return;
}
}
res.setHeader("Access-Control-Allow-Method", "GET, POST, DELETE, OPTIONS");
res.setHeader("Access-Control-Expose-Headers", "Location");
res.setHeader("Content-Length", "0");
res.setHeader("Content-Type", "text/html; charset=UTF-8");
res.send(204, "");
});
}
function setupSSDP(addr) {
peer.on("ready",function(){
});
peer.on("notify",function(headers, address){
});
peer.on("search",function(headers, address){
if(headers.ST.indexOf("dial-multiscreen-org:service:dial:1") != -1) {
peer.reply({
LOCATION: "http://"+addr+":8008/ssdp/device-desc.xml",
ST: "urn:dial-multiscreen-org:service:dial:1",
"CONFIGID.UPNP.ORG": 7337,
"BOOTID.UPNP.ORG": 7337,
USN: "uuid:"+myUuid
}, address);
}
});
peer.start();
}
//