unblocker
Version:
Web proxy for evading internet censorship & general-purpose library for rewriting remote websites.
47 lines (38 loc) • 1.59 kB
JavaScript
;
const ytdl = require('ytdl-core');
// handles youtube video pages and replaces them with a custom page that just streams the video
function processRequest(data) {
const { hostname, pathname } = new URL(data.url);
if (hostname === 'www.youtube.com' && pathname === "/watch") {
const res = data.clientResponse;
// if we write headers, unblocker will detect that and stop trying to process this request
res.writeHead(200, {"content-type": "text/html; charset=utf-8"});
// todo: use config.prefix instead of hard-coding '/proxy/' into the url
ytdl.getInfo(data.url).then(info => {
// only use formats with combined audio and video (note these tend to be lower resolution)
const formats = ytdl.filterFormats(info.formats, 'audioandvideo');
const thumb = info.videoDetails.thumbnails.pop();
res.end(
`<!DOCTYPE html>
<head>
<title>${info.videoDetails.title}</title>
<meta name="ROBOTS" content="NOINDEX, NOFOLLOW"/>
</head>
<body>
<h1>${info.videoDetails.title}</h1>
<video controls poster="${thumb.url}" style="width: 100%">
${formats.map(format => ` <source type="${format.mimeType.split(';').shift()}" src="/proxy/${format.url.replace(/&/g, '&')}">`).join('\n')}
</video>
<p>${info.videoDetails.description.replace(/[\n]/g, '\n<br>')}</p>
</body>
</html>
`);
}).catch(err => {
console.error(`Error getting info for ${data.url}`, err);
res.end('Error retrieving video info');
})
}
}
module.exports = {
processRequest,
}