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index.js
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index.js
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// require('events').EventEmitter.defaultMaxListeners = 0
var express = require("express");
var app = express();
var path = require("path");
var storage = require('node-persist');
var WebTorrent = require('webtorrent-hybrid')
var client = new WebTorrent()
storage.initSync();
app.use(express.static('public'));
// Allow Cross-Origin requests
app.use(function(req, res, next) {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Methods', 'OPTIONS, POST, GET, PUT, DELETE');
res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
next();
});
var buildMagnetURI = function(infoHash) {
return 'magnet:?xt=urn:btih:' + infoHash + '&tr=udp%3A%2F%2Ftracker.publicbt.com%3A80&tr=udp%3A%2F%2Ftracker.openbittorrent.com%3A80&tr=udp%3A%2F%2Ftracker.ccc.de%3A80&tr=udp%3A%2F%2Ftracker.istole.it%3A80&tr=udp%3A%2F%2Fopen.demonii.com%3A1337&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp://tracker.coppersurfer.tk/announce&tr=udp://tracker.coppersurfer.tk:6969&tr=udp://tracker.leechers-paradise.org:6969/announce&tr=udp://tracker.coppersurfer.tk:6969/announce&tr=udp://tracker.ilibr.org:6969/announce&tr=http://tracker.mininova.org/announce&tr=http://tracker.frostwire.com:6969/announce&tr=udp://tracker.openbittorrent.com:80';
};
var getLargestFile = function (torrent) {
var file;
for(i = 0; i < torrent.files.length; i++) {
if (!file || file.length < torrent.files[i].length) {
file = torrent.files[i];
}
}
return file;
};
// Home
///////////////////////////////
app.get('/',function(req,res){
res.sendFile(path.join(__dirname+'/index.html'));
});
// Debug part, can be removed
///////////////////////////////
app.get('/clear/:infoHash',function(req,res){
storage.clear()
client.remove(req.params.infoHash);
res.status(200).send('clear!');
});
// Debug part, can be removed
///////////////////////////////
app.get('/clear',function(req,res){
// client.destroy();
storage.clear()
res.status(200).send('clear!');
});
// Debug part, can be removed
///////////////////////////////
app.get('/info',function(req,res){
storage.forEach(function(key, value) {
console.log('key:', key)
console.log('value:', value)
});
res.status(200).send('info!');
});
// Add torrent
///////////////////////////////
app.get('/add/:infoHash', function(req, res) {
var add = new Object();
// Check if torrent exist
var exist = false;
storage.forEach(function(key, value) {
if(req.params.infoHash === key) {
exist = true;
res.status(200).send('Torrent exist!'); return;
}
});
if(exist === false) {
var magnetURI = buildMagnetURI(req.params.infoHash);
try {
client.add(magnetURI, function (torrent) {
console.log('Client is downloading:', torrent.infoHash)
torrent.files.forEach(function (file) {
console.log('name', file.name)
})
storage.setItemSync(req.params.infoHash,'true');
res.status(200).send('Torrent added');
})
} catch (err) {
res.status(200).send(err.toString());
}
}
});
// Statistic torrent
///////////////////////////////
app.get('/stats/:infoHash', function(req, res) {
var torrent = req.params.infoHash
var torrent = client.get(torrent);
var stats = new Object();
stats.downloaded = torrent.downloaded
stats.downloadSpeed = torrent.downloadSpeed
stats.progress = torrent.progress
stats.numPeers = torrent.numPeers
res.status(200).send(JSON.stringify(stats));
});
// The stream torrent
///////////////////////////////
app.get('/stream/:infoHash.mp4', function(req, res, next) {
var torrent = req.params.infoHash
try {
var torrent = client.get(torrent);
var file = getLargestFile(torrent);
var total = file.length;
if(typeof req.headers.range != 'undefined') {
var range = req.headers.range;
var parts = range.replace(/bytes=/, "").split("-");
var partialstart = parts[0];
var partialend = parts[1];
var start = parseInt(partialstart, 10);
var end = partialend ? parseInt(partialend, 10) : total - 1;
var chunksize = (end - start) + 1;
var test = total / 2;
} else {
var start = 0; var end = total;
}
var stream = file.createReadStream({start: start, end: end});
res.writeHead(206, { 'Content-Range': 'bytes ' + start + '-' + end + '/' + total, 'Accept-Ranges': 'bytes', 'Content-Length': chunksize, 'Content-Type': 'video/mp4' });
stream.pipe(res);
} catch (err) {
res.status(500).send('Error: ' + err.toString());
}
});
app.listen(3000);
console.log("Running at Port 3000");