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Improve CDM detection

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Automatically checks all files in the directory for a valid CDM
This commit is contained in:
AnimeDL 2024-03-19 16:27:00 -07:00
parent 1852ce1282
commit 0b22b4ec36
1 changed files with 26 additions and 4 deletions
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30
modules/widevine.ts
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@ -7,13 +7,35 @@ import path from 'path';
import { ReadError, Response } from 'got';
//read cdm files located in the same directory
let privateKey: Buffer, identifierBlob: Buffer;
let privateKey: Buffer = Buffer.from([]), identifierBlob: Buffer = Buffer.from([]);
export let canDecrypt: boolean;
try {
privateKey = fs.readFileSync(path.join(workingDir, 'widevine', 'device_private_key'));
identifierBlob = fs.readFileSync(path.join(workingDir, 'widevine', 'device_client_id_blob'));
canDecrypt = true;
const files = fs.readdirSync(path.join(workingDir, 'widevine'));
files.forEach(function(file) {
file = path.join(workingDir, 'widevine', file);
const stats = fs.statSync(file);
if (stats.size < 1024*8) {
const fileContents = fs.readFileSync(file, {'encoding': 'utf8'});
if (fileContents.includes('-BEGIN RSA PRIVATE KEY-')) {
privateKey = fs.readFileSync(file);
}
if (fileContents.includes('widevine_cdm_version')) {
identifierBlob = fs.readFileSync(file);
}
}
});
if (privateKey.length !== 0 && identifierBlob.length !== 0) {
canDecrypt = true;
} else if (privateKey.length == 0) {
console.warn('Private key missing');
canDecrypt = false;
} else if (identifierBlob.length == 0) {
console.warn('Identifier blob missing');
canDecrypt = false;
}
} catch (e) {
console.error(e);
canDecrypt = false;
}