Get MP4/OGG download links from Youtube videos. A little ytdl-core server implementation (https://github.com/fent/node-ytdl-core).

ytdl-core-server.js

const http = require('http');
const ytdl = require('ytdl-core');

const getInfo = async youtubeUrl => {
  const data = await ytdl.getInfo(youtubeUrl);
  let result = {
    id: data.video_id,
    url: data.video_url,
    title: data.title,
    description: data.description,
    author: data.author,
    thumbnail: data.thumbnail_url,
    formats: data.formats
  }
  return JSON.stringify(result);
}

http.createServer((req, res) => {
  try {
    res.writeHead(200, {
      'Content-Type': 'application/json',
      'Access-Control-Allow-Origin': '*'
    });

    const sentData = req.url.substring(1);
    console.log("Received : ", sentData)
    if (sentData.match(/(?:youtube\.com\/(?:watch\?v=|embed\/)|youtu.be\/).+/)) {
      getInfo(sentData)
        .then(result => {
          console.log("Valid youtube video ID :", sentData);
          res.write(result);
          res.end();
        })
        .catch(err => {
          console.error("Invalid youtube video ID :", sentData);
          res.write("{error: 'Invalid youtube video ID'}");
          res.end();
        });
    }
    else {
      res.write("{error: 'The provided URL is invalid'}");
      res.end();
    }
  }
  catch (e) {
    console.error(e);
    res.writeHead(500, {
      'Access-Control-Allow-Origin': '*'
    });
    res.end();
  }
}).listen(8080);
console.log("Server is listening on 127.0.0.1:8080");


/*
# ytdl-core-server
Get MP4/OGG download links from Youtube videos. A little ytdl-core server implementation (https://github.com/fent/node-ytdl-core).

## Install

    $ mkdir ytdl-core-server && cd ytdl-core-server && npm init -y && npm i ytdl-core

Download the ytdl-core-server.js file in this directory.

## Start 

    $ node ytdl-core-server.js

## Usage
The server will start on 127.0.0.1:8080. You simply need to to add your Youtube URL at the end.

  http://127.0.0.1:8080/https://www.youtube.com/watch?v=KMU0tzLwhbE
  
  http://127.0.0.1:8080/https://www.youtube.com/embed/KMU0tzLwhbE
  
  http://127.0.0.1:8080/https://youtu.be/KMU0tzLwhbE
  
## License
The MIT License
Copyright (c) 2018 < rigwild >. https://asauvage.fr/
*/