1
0
forked from um/web
qqmusicunlock/src/decrypt/qmc.test.ts
MengYX c4177be7df fix(QMCv2): overflow error in js decoder
(cherry picked from commit 191ac6a932efb290f49e2824839db20ac6ff47ca)
2022-01-09 10:46:55 +08:00

30 lines
960 B
TypeScript

import fs from 'fs';
import { QmcDecoder } from '@/decrypt/qmc';
import { BytesEqual } from '@/decrypt/utils';
function loadTestDataDecoder(name: string): {
cipherText: Uint8Array;
clearText: Uint8Array;
} {
const cipherBody = fs.readFileSync(`./testdata/${name}_raw.bin`);
const cipherSuffix = fs.readFileSync(`./testdata/${name}_suffix.bin`);
const cipherText = new Uint8Array(cipherBody.length + cipherSuffix.length);
cipherText.set(cipherBody);
cipherText.set(cipherSuffix, cipherBody.length);
return {
cipherText,
clearText: fs.readFileSync(`testdata/${name}_target.bin`),
};
}
test('qmc: real file', async () => {
const cases = ['mflac0_rc4', 'mflac_rc4', 'mflac_map', 'mgg_map', 'qmc0_static'];
for (const name of cases) {
const { clearText, cipherText } = loadTestDataDecoder(name);
const c = new QmcDecoder(cipherText);
const buf = c.decrypt();
expect(BytesEqual(buf, clearText)).toBeTruthy();
}
});