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feat: implement decrypt from user key

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This commit is contained in:
鲁树人 2023-06-10 14:29:50 +01:00
parent dd63aa4765
commit ba503ff46f
4 changed files with 47 additions and 13 deletions
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2
package.json
View File

@ -21,7 +21,7 @@
"@chakra-ui/react": "^2.7.0",
"@emotion/react": "^11.11.0",
"@emotion/styled": "^11.11.0",
"@jixun/libparakeet": "0.1.1",
"@jixun/libparakeet": "0.1.2",
"@reduxjs/toolkit": "^1.9.5",
"framer-motion": "^10.12.16",
"immer": "^10.0.2",

20
pnpm-lock.yaml
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@ -21,8 +21,8 @@ dependencies:
specifier: ^11.11.0
version: 11.11.0(@emotion/react@11.11.0)(@types/react@18.2.7)(react@18.2.0)
'@jixun/libparakeet':
specifier: 0.1.1
version: 0.1.1
specifier: 0.1.2
version: 0.1.2
'@reduxjs/toolkit':
specifier: ^1.9.5
version: 1.9.5(react-redux@8.0.5)(react@18.2.0)
@ -3101,8 +3101,8 @@ packages:
chalk: 4.1.2
dev: true
/@jixun/libparakeet@0.1.1:
resolution: {integrity: sha512-1e6hFsVga3eDkQvUY/wsX/F1R94SzcrO2u7wK/KPaCs9MD0hej+cgraOixp+VDy4uqGSPKU5iNP1a8hCYze2rg==}
/@jixun/libparakeet@0.1.2:
resolution: {integrity: sha512-PxhA7EtC3ss3ACxaGckgD41wGAhWllfy80LfL8GMiXkdXMipgcfFfeEcJBBpvTZ/FlDfoFLDJSOz0uculhsgnQ==}
dev: false
/@jridgewell/gen-mapping@0.3.3:
@ -4069,8 +4069,8 @@ packages:
engines: {node: ^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7}
hasBin: true
dependencies:
caniuse-lite: 1.0.30001497
electron-to-chromium: 1.4.426
caniuse-lite: 1.0.30001498
electron-to-chromium: 1.4.427
node-releases: 2.0.12
update-browserslist-db: 1.0.11(browserslist@4.21.7)
dev: true
@ -4123,8 +4123,8 @@ packages:
resolution: {integrity: sha512-x1mgZEXK8jHIfAxm+xgdpHpk50IN3z3q3zP261/WS+uvePxW8izXuCu6AHz0lkuYTlATDehiZ/tNyYBdSQsOUQ==}
dev: true
/caniuse-lite@1.0.30001497:
resolution: {integrity: sha512-I4/duVK4wL6rAK/aKZl3HXB4g+lIZvaT4VLAn2rCgJ38jVLb0lv2Xug6QuqmxXFVRJMF74SPPWPJ/1Sdm3vCzw==}
/caniuse-lite@1.0.30001498:
resolution: {integrity: sha512-LFInN2zAwx3ANrGCDZ5AKKJroHqNKyjXitdV5zRIVIaQlXKj3GmxUKagoKsjqUfckpAObPCEWnk5EeMlyMWcgw==}
dev: true
/chai@4.3.7:
@ -4478,8 +4478,8 @@ packages:
resolution: {integrity: sha512-5VXLW4Qw89vM2WTICHua/y8v7fKGDRVa2VPOtBB9IpLvW316B+xd8yD1wTmLPY2ot/00P/qt87xdolj4aG/Lzg==}
dev: true
/electron-to-chromium@1.4.426:
resolution: {integrity: sha512-dWuNH+XUT9hdFHASfMpcZGW5kUyJvllumJkXaXiswuCkoaFIFI89aykBPuHEi1YUWQGRCqvIO0BUdmeFJ4W4Ww==}
/electron-to-chromium@1.4.427:
resolution: {integrity: sha512-HK3r9l+Jm8dYAm1ctXEWIC+hV60zfcjS9UA5BDlYvnI5S7PU/yytjpvSrTNrSSRRkuu3tDyZhdkwIczh+0DWaw==}
dev: true
/emoji-regex@8.0.0:

3
src/decrypt-worker/crypto/CryptoFactory.ts
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@ -1,7 +1,7 @@
import { CryptoFactory } from './CryptoBase';
import { QMC1Crypto } from './qmc/qmc_v1';
import { QMC2Crypto } from './qmc/qmc_v2';
import { QMC2Crypto, QMC2CryptoWithKey } from './qmc/qmc_v2';
import { XiamiCrypto } from './xiami/xiami';
import { KGMCrypto } from './kgm/kgm_pc';
import { NCMCrypto } from './ncm/ncm_pc';
@ -14,6 +14,7 @@ export const allCryptoFactories: CryptoFactory[] = [
XiamiCrypto.make,
// QMCv2 (*.mflac)
QMC2CryptoWithKey.make,
QMC2Crypto.make,
// NCM (*.ncm)

35
src/decrypt-worker/crypto/qmc/qmc_v2.ts
View File

@ -1,16 +1,49 @@
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';
export class QMC2Crypto implements CryptoBase {
cryptoName = 'QMC/v2';
checkByDecryptHeader = false;
async decrypt(buffer: ArrayBuffer): Promise<Blob> {
return transformBlob(buffer, (p) => p.make.QMCv2(p.make.QMCv2FooterParser(SEED, ENC_V2_KEY_1, ENC_V2_KEY_2)));
// FIXME: Move the cleanup to transformBlob
const mod = await fetchParakeet();
const footerParser = mod.make.QMCv2FooterParser(SEED, ENC_V2_KEY_1, ENC_V2_KEY_2);
return transformBlob(buffer, (p) => p.make.QMCv2(footerParser)).finally(() => {
footerParser.delete();
});
}
public static make() {
return new QMC2Crypto();
}
}
export class QMC2CryptoWithKey implements CryptoBase {
cryptoName = 'QMC/v2 (key)';
checkByDecryptHeader = true;
async checkBySignature(_buffer: ArrayBuffer, options: DecryptCommandOptions): Promise<boolean> {
return Boolean(options.qmc2Key);
}
async decrypt(buffer: ArrayBuffer, options: DecryptCommandOptions): Promise<Blob> {
if (!options.qmc2Key) {
throw new Error('key was not provided');
}
// FIXME: Move the cleanup to transformBlob
const mod = await fetchParakeet();
const textEncoder = new TextEncoder();
const key = textEncoder.encode(options.qmc2Key);
const keyCrypto = mod.make.QMCv2KeyCrypto(SEED, ENC_V2_KEY_1, ENC_V2_KEY_2);
return transformBlob(buffer, (p) => p.make.QMCv2EKey(key, keyCrypto));
}
public static make() {
return new QMC2CryptoWithKey();
}
}