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refactor: descramble n token algorithm instead of executing it directly for better security

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LuanRT
2021-10-24 17:03:09 -03:00
parent 47ea630329
commit 3a9d8a411e
7 changed files with 169 additions and 36 deletions
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5
lib/Innertube.js
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@@ -5,6 +5,7 @@ const Stream = require('stream');
const OAuth = require('./OAuth');
const Utils = require('./Utils');
const Player = require('./Player');
const NToken = require('./NToken');
const Actions = require('./Actions');
const Livechat = require('./Livechat');
const Constants = require('./Constants');
@@ -308,12 +309,12 @@ class Innertube extends EventEmitter {
format.url = format.url || format.signatureCipher || format.cipher;
if (format.signatureCipher || format.cipher) {
format.url = new SigDecipher(format.url, this.context.client.clientVersion, this.player.sig_decipher_sc, this.player.encodeN).decipher();
format.url = new SigDecipher(format.url, this.context.client.clientVersion, this.player).decipher();
} else {
const url_components = new URL(format.url);
url_components.searchParams.set('cver', this.context.client.clientVersion);
url_components.searchParams.set('ratebypass', 'yes');
url_components.searchParams.set('n', this.player.encodeN(url_components.searchParams.get('n')));
url_components.searchParams.set('n', new NToken(this.player.ntoken_sc).transform(url_components.searchParams.get('n')));
format.url = url_components.toString();
}