上传 upload.html client.seed
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>文件上传与哈希值</title>
<script src="https://cdn.jsdelivr.net/npm/webtorrent/webtorrent.min.js"></script>
</head>
<body>
<h1>文件上传与哈希值</h1>
<input type="file" id="fileInput" multiple>
<button id="uploadButton">上传并获取哈希值</button>
<div id="hashOutput"></div>
<div id="magnetOutput"></div>
<script>
const client = new WebTorrent();
document.getElementById('uploadButton').onclick = function () {
const fileInput = document.getElementById('fileInput');
const files = fileInput.files;
if (files.length === 0) {
alert('请先选择一个文件。');
return;
}
const torrentId = files[0].name; // 你可以选择使用文件名或自定义的 ID
// 创建一个新的 torrent 并为其播种（Node.js）https://webtorrent.io/intro
client.seed(files, { name: torrentId }, function (torrent) {
const hash = torrent.infoHash; // 获取哈希值
document.getElementById('hashOutput').innerText = '文件哈希: ' + hash ;
document.getElementById('magnetOutput').innerText = '文件链接: ' + torrent.magnetURI;
console.log('哈希值:', hash);
console.log('Client is seeding ' + torrent.magnetURI)
});
};
</script>
</body>
</html>
下载 download.html client.add
- 下载界面的代码来源,其中用到的文件解析与渲染的appendTo()函数。
<!doctype html>
<html>
<body>
<h1>Download files using the WebTorrent protocol (BitTorrent over WebRTC).</h1>
<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>
<h2>Log</h2>
<div class="log"></div>
<!-- Include the latest version of WebTorrent -->
<script src="https://cdn.jsdelivr.net/npm/webtorrent@latest/webtorrent.min.js"></script>
<script>
const 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
const 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
const 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') // !!Render a file into to the page!!!
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) {
const p = document.createElement('p')
p.innerHTML = str
document.querySelector('.log').appendChild(p)
}
</script>
</body>
</html>
效果
上传
下载
CG
-
torrent.createServer([opts]):
Create an http server to serve the contents of this torrent, dynamically fetching the needed torrent pieces to satisfy http requests. Range requests are supported. -
render-media：在浏览器中智能呈现媒体文件
-
【p2p、分布式，区块链笔记 Torrent】: WebTorrent & GitTorrent & bittorrent-dht & bep0044
