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creating, seeding and downloading torrent complete

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This commit is contained in:
Abhishek Sinha 2018-08-15 16:00:07 +05:30
parent ccd26d19b4
commit 64cbb24cda
8 changed files with 210 additions and 253 deletions
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2
package.json
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@ -31,7 +31,7 @@
"watch": "watchify public/js/main.js -o public/js/bundle.js",
"prestart": "npm run build",
"start": "nodemon --ignore public/js/bundle.js index.js",
"poststart": "npm run watch"
"poststart":"npm run watch"
},
"author": "",
"license": "ISC"

45
public/css/main.css
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@ -12,4 +12,47 @@ footer {
position:fixed;
bottom:0;
left:0;
}
}
#output video {
width: 100%;
}
#progressBar {
height: 5px;
width: 0%;
background-color: #35b44f;
transition: width .4s ease-in-out;
}
body.is-seed .show-seed {
display: inline;
}
body.is-seed .show-leech {
display: none;
}
.show-seed {
display: none;
}
#status code {
font-size: 90%;
font-weight: 700;
margin-left: 3px;
margin-right: 3px;
border-bottom: 1px dashed rgba(255,255,255,0.3);
}
.is-seed #hero {
background-color: #154820;
transition: .5s .5s background-color ease-in-out;
}
#hero {
background-color: #2a3749;
}
#status {
color: #fff;
font-size: 17px;
padding: 5px;
}
a:link, a:visited {
color: #30a247;
text-decoration: none;
}

1
public/js/drag-drop.js Normal file
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File diff suppressed because one or more lines are too long

45
public/js/main.js
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@ -1,49 +1,10 @@
window.$ = window.jQuery = require('jquery');
var bootstrap = require('bootstrap');
let buffer = require('buffer')
var client = new WebTorrent()
client.on('error', function (err) {
console.error('ERROR: ' + err.message)
})
// You can pass in a DOM node or a selector string!
DragDrop('.drop-div', function (files, pos, fileList, directories) {
console.log('Here are the dropped files', files)
console.log('Dropped at coordinates', pos.x, pos.y)
console.log('Here is the raw FileList object if you need it:', fileList)
console.log('Here is the list of directories:', directories)
client.seed(files, function (torrent) {
console.log(torrent);
console.log('Client is seeding ' + torrent.magnetURI)
let t = ``;
t += `Client is seeding <strong>${torrent.magnetURI}</strong>`;
t += `<p>Name: ${torrent.name}</p>`;
t += `<p>Name: ${torrent.path}</p>`;
var hexdata = torrent.torrentFile.toString('hex');
t += `<p>Torrent: ${hexdata}</p>`;
t += `<p></p>`;
t += `<h5>Files hash</h5>`;
for (let h = 0; h < torrent._hashes.length; h++) {
const hash = torrent._hashes[h];
t += `<p>${hash}</p>`;
}
t += `<h5>Peers</h5>`;
for (let p = 0; p < torrent._peers.length; p++) {
const peer = torrent._peers[p];
t += `<p>Peer: ${peer}</p>`;
}
t += `<h5>Trackers</h5>`;
for (let r = 0; r < torrent.discovery._announce.length; r++) {
const tracker = torrent.discovery._announce[r];
t += `<p>${tracker}</p>`;
}
$("#seed-result").html(t);
})
})

1
routes.js
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@ -3,7 +3,6 @@ const router = express.Router();
const { check, validationResult } = require('express-validator/check')
const { matchedData } = require('express-validator/filter')
const _ = require('lodash');
//const fetch = require('node-fetch');
var path = require('path')
var fs = require('fs');

309
views/download.ejs
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@ -1,188 +1,89 @@
<!doctype html>
<html>
<body>
<h1>Download files using the WebTorrent protocol (BitTorrent over WebRTC).</h1>
<%include partials/header.ejs %>
<form>
<label for="torrentId">Download from a magnet link: </label>
<input name="torrentId", placeholder="magnet:" value="magnet:?xt=urn:btih:08ada5a7a6183aae1e09d831df6748d566095a10&dn=Sintel&tr=udp%3A%2F%2Fexplodie.org%3A6969&tr=udp%3A%2F%2Ftracker.coppersurfer.tk%3A6969&tr=udp%3A%2F%2Ftracker.empire-js.us%3A1337&tr=udp%3A%2F%2Ftracker.leechers-paradise.org%3A6969&tr=udp%3A%2F%2Ftracker.opentrackr.org%3A1337&tr=wss%3A%2F%2Ftracker.btorrent.xyz&tr=wss%3A%2F%2Ftracker.fastcast.nz&tr=wss%3A%2F%2Ftracker.openwebtorrent.com&ws=https%3A%2F%2Fwebtorrent.io%2Ftorrents%2F&xs=https%3A%2F%2Fwebtorrent.io%2Ftorrents%2Fsintel.torrent">
<button type="submit">Download</button>
</form>
<div class="container">
<h1>Download files using the WebTorrent protocol (BitTorrent over WebRTC).</h1>
<small><a target="_blank" href="https://github.com/webtorrent/webtorrent/blob/master/docs/free-torrents.md">Sample torrents</a></small>
<h2>Log</h2>
<div class="log"></div>
<!-- Include the latest version of WebTorrent -->
<script src="https://cdn.jsdelivr.net/webtorrent/latest/webtorrent.min.js"></script>
<script>
var client = new WebTorrent()
client.on('error', function (err) {
console.error('ERROR: ' + err.message)
})
document.querySelector('form').addEventListener('submit', function (e) {
e.preventDefault() // Prevent page refresh
var torrentId = document.querySelector('form input[name=torrentId]').value
log('Adding ' + torrentId)
client.add(torrentId, onTorrent)
})
function onTorrent (torrent) {
log('Got torrent metadata!')
log(
'Torrent info hash: ' + torrent.infoHash + ' ' +
'<a href="' + torrent.magnetURI + '" target="_blank">[Magnet URI]</a> ' +
'<a href="' + torrent.torrentFileBlobURL + '" target="_blank" download="' + torrent.name + '.torrent">[Download .torrent]</a>'
)
// Print out progress every 5 seconds
var interval = setInterval(function () {
log('Progress: ' + (torrent.progress * 100).toFixed(1) + '%')
}, 5000)
torrent.on('done', function () {
log('Progress: 100%')
clearInterval(interval)
})
// Render all files into to the page
torrent.files.forEach(function (file) {
file.appendTo('.log')
log('(Blob URLs only work if the file is loaded from a server. "http//localhost" works. "file://" does not.)')
file.getBlobURL(function (err, url) {
if (err) return log(err.message)
log('File done.')
log('<a href="' + url + '">Download full file: ' + file.name + '</a>')
})
})
}
function log (str) {
var p = document.createElement('p')
p.innerHTML = str
document.querySelector('.log').appendChild(p)
}
</script>
</body>
</html>
HTML example with status showing UI
This complete HTML example mimics the UI of the webtorrent.io homepage. It downloads the sintel.torrent file, streams it in the browser and outputs some statistics to the user (peers, progress, remaining time, speed...).
You can try it right now on CodePen to see what it looks like and play around with it!
Feel free to replace torrentId with other torrent files, or magnet links, but keep in mind that the browser can only download torrents that are seeded by WebRTC peers (web peers). Use WebTorrent Desktop or Instant.io to seed torrents to the WebTorrent network.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>WebTorrent video player</title>
<style>
#output video {
width: 100%;
}
#progressBar {
height: 5px;
width: 0%;
background-color: #35b44f;
transition: width .4s ease-in-out;
}
body.is-seed .show-seed {
display: inline;
}
body.is-seed .show-leech {
display: none;
}
.show-seed {
display: none;
}
#status code {
font-size: 90%;
font-weight: 700;
margin-left: 3px;
margin-right: 3px;
border-bottom: 1px dashed rgba(255,255,255,0.3);
}
.is-seed #hero {
background-color: #154820;
transition: .5s .5s background-color ease-in-out;
}
#hero {
background-color: #2a3749;
}
#status {
color: #fff;
font-size: 17px;
padding: 5px;
}
a:link, a:visited {
color: #30a247;
text-decoration: none;
}
</style>
</head>
<body>
<div id="hero">
<div id="output">
<div id="progressBar"></div>
<!-- The video player will be added here -->
<div id="hero">
<div id="output">
<div id="progressBar"></div>
<!-- The video player will be added here -->
</div>
<!-- Statistics -->
<div id="status">
<div>
<span class="show-seed">Seeding </span>
<label for="torrent_url">Enter a .torrent file url: (Torrent file must contain .mp4, .webm, .avi, .pdf or .mp3 file only)</label>
<input type="text" name="torrent_url" id="torrent_url" class="form-control">
<button id="btn-download" class="btn btn-primary">Start Download</button>
<span class="show-leech">Downloading torent file</span>
<span class="show-leech"> from </span>
<span class="show-seed"> to </span>
<code id="numPeers">0 peers</code>.
</div>
<!-- Statistics -->
<div id="status">
<div>
<span class="show-leech">Downloading </span>
<span class="show-seed">Seeding </span>
<code>
<!-- Informative link to the torrent file -->
<a id="torrentLink" href="https://webtorrent.io/torrents/sintel.torrent">sintel.torrent</a>
</code>
<span class="show-leech"> from </span>
<span class="show-seed"> to </span>
<code id="numPeers">0 peers</code>.
</div>
<div>
<code id="downloaded"></code>
of <code id="total"></code>
— <span id="remaining"></span><br/>
&#x2198;<code id="downloadSpeed">0 b/s</code>
/ &#x2197;<code id="uploadSpeed">0 b/s</code>
</div>
<div>
<code id="downloaded"></code>
of <code id="total"></code>
— <span id="remaining"></span><br/>
&#x2198;<code id="downloadSpeed">0 b/s</code>
/ &#x2197;<code id="uploadSpeed">0 b/s</code>
</div>
</div>
<!-- Include the latest version of WebTorrent -->
<script src="https://cdn.jsdelivr.net/webtorrent/latest/webtorrent.min.js"></script>
</div>
<!-- Moment is used to show a human-readable remaining time -->
<script src="http://momentjs.com/downloads/moment.min.js"></script>
</div>
<script>
var torrentId = 'https://webtorrent.io/torrents/sintel.torrent'
<%include partials/footer.ejs %>
var client = new WebTorrent()
<script>
// HTML elements
var $body = document.body
var $progressBar = document.querySelector('#progressBar')
var $numPeers = document.querySelector('#numPeers')
var $downloaded = document.querySelector('#downloaded')
var $total = document.querySelector('#total')
var $remaining = document.querySelector('#remaining')
var $uploadSpeed = document.querySelector('#uploadSpeed')
var $downloadSpeed = document.querySelector('#downloadSpeed')
function file_ext(file) {
return filename.substring(filename.lastIndexOf('.')+1, filename.length) || filename;
}
// Download the torrent
client.add(torrentId, function (torrent) {
//http://www.ytsyify.org/[EZTV]/(eztvtorrent.net)%20The%20Originals%20(S05E04)%20(480p).torrent
$(document).on('click', '#btn-download', function() {
var torrentId = $('#torrent_url').val();
// Torrents can contain many files. Let's use the .mp4 file
var file = torrent.files.find(function (file) {
return file.name.endsWith('.mp4')
})
var client = new WebTorrent()
// HTML elements
var $body = document.body
var $progressBar = document.querySelector('#progressBar')
var $numPeers = document.querySelector('#numPeers')
var $downloaded = document.querySelector('#downloaded')
var $total = document.querySelector('#total')
var $remaining = document.querySelector('#remaining')
var $uploadSpeed = document.querySelector('#uploadSpeed')
var $downloadSpeed = document.querySelector('#downloadSpeed')
if ($.trim(torrentId).length<1) {
alert("Please specify a valid .torrent file.");
return;
}
// Download the torrent
client.add(torrentId, function (torrent) {
// Torrents can contain many files. Let's use the .mp4 file
var file = torrent.files.find(function (file) {
if (file.name.endsWith('.mp4')) {
return file.name.endsWith('.mp4')
} else if (file.name.endsWith('.webm')) {
return file.name.endsWith('.webm')
} else if (file.name.endsWith('.avi')) {
return file.name.endsWith('.avi')
} else if (file.name.endsWith('.pdf')) {
return file.name.endsWith('.pdf')
} else if (file.name.endsWith('.mp3')) {
return file.name.endsWith('.mp3')
}
})
if (typeof file==undefined) {
alert("Unsupported files: Torrent file must contain .mp4, .webm, .avi, .pdf or .mp3 file only.");
return false;
}
// Stream the file in the browser
file.appendTo('#output')
@ -192,39 +93,39 @@ Feel free to replace torrentId with other torrent files, or magnet links, but ke
setInterval(onProgress, 500)
onProgress()
// Statistics
function onProgress () {
// Peers
$numPeers.innerHTML = torrent.numPeers + (torrent.numPeers === 1 ? ' peer' : ' peers')
// Statistics
function onProgress () {
// Peers
$numPeers.innerHTML = torrent.numPeers + (torrent.numPeers === 1 ? ' peer' : ' peers')
// Progress
var percent = Math.round(torrent.progress * 100 * 100) / 100
$progressBar.style.width = percent + '%'
$downloaded.innerHTML = prettyBytes(torrent.downloaded)
$total.innerHTML = prettyBytes(torrent.length)
// Progress
var percent = Math.round(torrent.progress * 100 * 100) / 100
$progressBar.style.width = percent + '%'
$downloaded.innerHTML = prettyBytes(torrent.downloaded)
$total.innerHTML = prettyBytes(torrent.length)
// Remaining time
var remaining
if (torrent.done) {
// Remaining time
var remaining
if (torrent.done) {
remaining = 'Done.'
} else {
} else {
remaining = moment.duration(torrent.timeRemaining / 1000, 'seconds').humanize()
remaining = remaining[0].toUpperCase() + remaining.substring(1) + ' remaining.'
}
$remaining.innerHTML = remaining
// Speed rates
$downloadSpeed.innerHTML = prettyBytes(torrent.downloadSpeed) + '/s'
$uploadSpeed.innerHTML = prettyBytes(torrent.uploadSpeed) + '/s'
}
function onDone () {
$body.className += ' is-seed'
onProgress()
}
})
$remaining.innerHTML = remaining
// Human readable bytes util
function prettyBytes(num) {
// Speed rates
$downloadSpeed.innerHTML = prettyBytes(torrent.downloadSpeed) + '/s'
$uploadSpeed.innerHTML = prettyBytes(torrent.uploadSpeed) + '/s'
}
function onDone () {
$body.className += ' is-seed'
onProgress()
}
})
// Human readable bytes util
function prettyBytes(num) {
var exponent, unit, neg = num < 0, units = ['B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
if (neg) num = -num
if (num < 1) return (neg ? '-' : '') + num + ' B'
@ -232,7 +133,7 @@ Feel free to replace torrentId with other torrent files, or magnet links, but ke
num = Number((num / Math.pow(1000, exponent)).toFixed(2))
unit = units[exponent]
return (neg ? '-' : '') + num + ' ' + unit
}
</script>
</body>
</html>
}
});
</script>

3
views/partials/footer.ejs
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@ -2,7 +2,8 @@
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<script src="https://cdn.jsdelivr.net/npm/webtorrent@latest/webtorrent.min.js"></script>
<script src="https://rawgit.com/feross/drag-drop/master/dragdrop.min.js"></script>
<!-- Moment is used to show a human-readable remaining time -->
<script src="http://momentjs.com/downloads/moment.min.js"></script>
<script src="/js/bundle.js"></script>
<!-- FOOTER -->

57
views/seed.ejs
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@ -1,7 +1,7 @@
<%include partials/header.ejs %>
<div class="container">
<p id='#drag'>hello</p>
<p id='#drag'>Drop a file to make it a torrent file:</p>
<div class="card drop-div" id="_drop"></div>
<div class="card">
@ -11,7 +11,58 @@
</div>
<%include partials/footer.ejs %>
<script>
//const funcs = require('./public/js/main')
funcs.seedTorrent()
$(document).ready(function() {
seeding();
});
// You can pass in a DOM node or a selector string!
let seeding = () => {
DragDrop('.drop-div', function (files, pos, fileList, directories) {
console.log('Here are the dropped files', files)
console.log('Dropped at coordinates', pos.x, pos.y)
console.log('Here is the raw FileList object if you need it:', fileList)
console.log('Here is the list of directories:', directories)
var client = new WebTorrent()
client.seed(files, function (torrent) {
console.log(torrent);
console.log('Client is seeding ' + torrent.magnetURI)
let t = ``;
t += `Client is seeding <strong>${torrent.magnetURI}</strong>`;
t += `<p>Name: ${torrent.name}</p>`;
t += `<p>Path: ${torrent.path}</p>`;
var hexdata = torrent.torrentFile.toString('hex');
t += `<p>Torrent: ${hexdata}</p>`;
t += `<p></p>`;
t += `<h5>Files hash</h5>`;
for (let h = 0; h < torrent._hashes.length; h++) {
const hash = torrent._hashes[h];
t += `<p>${hash}</p>`;
}
t += `<h5>Peers</h5>`;
for (let p = 0; p < torrent._peers.length; p++) {
const peer = torrent._peers[p];
t += `<p>Peer: ${peer}</p>`;
}
t += `<h5>Trackers</h5>`;
for (let r = 0; r < torrent.discovery._announce.length; r++) {
const tracker = torrent.discovery._announce[r];
t += `<p>${tracker}</p>`;
}
$("#seed-result").html(t);
})
})
}
</script>