mirror of
https://github.com/LuanRT/YouTube.js.git
synced 2026-06-19 20:41:17 +00:00
71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
'use strict';
|
||
|
||
const Crypto = require('crypto');
|
||
const UserAgent = require('user-agents');
|
||
|
||
function getRandomUserAgent(type) {
|
||
switch (type) {
|
||
case 'mobile':
|
||
return new UserAgent(/Android/).data;
|
||
case 'desktop':
|
||
return new UserAgent({ deviceCategory: 'desktop' }).data;
|
||
default:
|
||
}
|
||
}
|
||
|
||
function generateSidAuth(sid) {
|
||
const youtube = 'https://www.youtube.com';
|
||
const timestamp = Math.floor(new Date().getTime() / 1000);
|
||
const input = [timestamp, sid, youtube].join(' ');
|
||
|
||
let hash = Crypto.createHash('sha1');
|
||
let data = hash.update(input, 'utf-8');
|
||
let gen_hash = data.digest('hex');
|
||
|
||
return ['SAPISIDHASH', [timestamp, gen_hash].join('_')].join(' ');
|
||
}
|
||
|
||
function getStringBetweenStrings(data, start_string, end_string) {
|
||
const regex = new RegExp(`${escapeStringRegexp(start_string)}(.*?)${escapeStringRegexp(end_string)}`, "s");
|
||
const match = data.match(regex);
|
||
return match ? match[1] : undefined;
|
||
}
|
||
|
||
function escapeStringRegexp(string) {
|
||
return string.replace(/[|\\{}()[\]^$+*?.]/g, "\\$&").replace(/-/g, "\\x2d");
|
||
}
|
||
|
||
function createFunction(input, raw_code) { // I hate this
|
||
return new Function(input, raw_code);
|
||
}
|
||
|
||
function encodeVideoId(id) {
|
||
return encodeURIComponent(`${Buffer.from(` ` + id + `*`).toString('base64').slice(0, -1)}BQBw==`);
|
||
}
|
||
|
||
function encodeChannelId(id, notification_pref) {
|
||
const buff_start = `
|
||
`;
|
||
const buff_end = [
|
||
``, // all
|
||
``, // none
|
||
``, // personalized
|
||
];
|
||
|
||
let encodedId = Buffer.from([buff_start, id, buff_end[notification_pref]].join('')).toString('base64');
|
||
return encodeURIComponent(`${encodedId}GAAgBA==`);
|
||
}
|
||
|
||
function encodeChannelIdWithVideoId(channel_id, video_id) {
|
||
const buff_start = `
|
||
)*'
|
||
`;
|
||
const buff_middle = ` `;
|
||
const buff_end = ``;
|
||
|
||
// Yes, we also have to base64 these twice lol
|
||
let encodedIds = Buffer.from([buff_start, channel_id, buff_middle, video_id, buff_end].join('')).toString('base64');
|
||
return `${Buffer.from(encodedIds).toString('base64').slice(0, -4)}JTNE`;
|
||
}
|
||
|
||
module.exports = { getRandomUserAgent, generateSidAuth, getStringBetweenStrings, createFunction, encodeChannelIdWithVideoId, encodeVideoId, encodeChannelId }; |