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feat: support for qmcv2 musicex tail

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鲁树人
2023-12-24 12:15:56 +01:00
parent 6c21150fc8
commit fcc4b14211
14 changed files with 93 additions and 48 deletions
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5
src/decrypt-worker/crypto/qmc/qmc_v2.ts
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@@ -1,10 +1,9 @@
import { transformBlob } from '~/decrypt-worker/util/transformBlob';
import type { CryptoBase } from '../CryptoBase';
import type { DecryptCommandOptions } from '~/decrypt-worker/types.ts';
import { SEED, ENC_V2_KEY_1, ENC_V2_KEY_2 } from './qmc_v2.key.ts';
import { fetchParakeet } from '@jixun/libparakeet';
import { stringToUTF8Bytes } from '~/decrypt-worker/util/utf8Encoder.ts';
import { makeQMCv2KeyCrypto } from '~/decrypt-worker/util/qmc2KeyCrypto.ts';
import { makeQMCv2FooterParser, makeQMCv2KeyCrypto } from '~/decrypt-worker/util/qmc2KeyCrypto.ts';
export class QMC2Crypto implements CryptoBase {
cryptoName = 'QMC/v2';
@@ -12,7 +11,7 @@ export class QMC2Crypto implements CryptoBase {
async decrypt(buffer: ArrayBuffer): Promise<Blob> {
const parakeet = await fetchParakeet();
const footerParser = parakeet.make.QMCv2FooterParser(SEED, ENC_V2_KEY_1, ENC_V2_KEY_2);
const footerParser = makeQMCv2FooterParser(parakeet);
return transformBlob(buffer, (p) => p.make.QMCv2(footerParser), {
parakeet,
cleanup: () => footerParser.delete(),