Dependency upgrade + lib_um_crypto_rust (#78)

Co-authored-by: 鲁树人 <lu.shuren@um-react.app>
Co-committed-by: 鲁树人 <lu.shuren@um-react.app>

src/decrypt-worker/decipher/KugouMusic.ts

@@ -0,0 +1,33 @@
+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers';
+import { KuGou } from '@unlock-music/crypto';
+import type { DecryptCommandOptions } from '~/decrypt-worker/types.ts';
+import { chunkBuffer } from '~/decrypt-worker/util/buffer.ts';
+
+export class KugouMusicDecipher implements DecipherInstance {
+  cipherName = 'Kugou';
+
+  async decrypt(buffer: Uint8Array, _options: DecryptCommandOptions): Promise<DecipherResult | DecipherOK> {
+    let kgm: KuGou | undefined;
+
+    try {
+      kgm = KuGou.from_header(buffer.subarray(0, 0x400));
+
+      const audioBuffer = new Uint8Array(buffer.subarray(0x400));
+      for (const [block, offset] of chunkBuffer(audioBuffer)) {
+        kgm.decrypt(block, offset);
+      }
+
+      return {
+        status: Status.OK,
+        cipherName: this.cipherName,
+        data: audioBuffer,
+      };
+    } finally {
+      kgm?.free();
+    }
+  }
+
+  public static make() {
+    return new KugouMusicDecipher();
+  }
+}

src/decrypt-worker/decipher/KuwoMusic.ts

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+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers';
+import { KuwoHeader, KWMDecipher } from '@unlock-music/crypto';
+import type { DecryptCommandOptions } from '~/decrypt-worker/types.ts';
+import { chunkBuffer } from '~/decrypt-worker/util/buffer.ts';
+
+export class KuwoMusicDecipher implements DecipherInstance {
+  cipherName = 'Kuwo';
+
+  async decrypt(buffer: Uint8Array, options: DecryptCommandOptions): Promise<DecipherResult | DecipherOK> {
+    let header: KuwoHeader | undefined;
+    let kwm: KWMDecipher | undefined;
+
+    try {
+      header = KuwoHeader.parse(buffer.subarray(0, 0x400));
+      kwm = new KWMDecipher(header, options.kwm2key);
+
+      const audioBuffer = new Uint8Array(buffer.subarray(0x400));
+      for (const [block, offset] of chunkBuffer(audioBuffer)) {
+        kwm.decrypt(block, offset);
+      }
+      return {
+        status: Status.OK,
+        cipherName: this.cipherName,
+        data: audioBuffer,
+      };
+    } finally {
+      kwm?.free();
+      header?.free();
+    }
+  }
+
+  public static make() {
+    return new KuwoMusicDecipher();
+  }
+}

src/decrypt-worker/decipher/Migu3d.ts

@@ -0,0 +1,27 @@
+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers.ts';
+import { chunkBuffer } from '~/decrypt-worker/util/buffer.ts';
+import { Migu3D } from '@unlock-music/crypto';
+
+export class Migu3DKeylessDecipher implements DecipherInstance {
+  cipherName = 'Migu3D (Keyless)';
+
+  async decrypt(buffer: Uint8Array): Promise<DecipherResult | DecipherOK> {
+    const mg3d = Migu3D.fromHeader(buffer.subarray(0, 0x100));
+    const audioBuffer = new Uint8Array(buffer);
+
+    for (const [block, i] of chunkBuffer(audioBuffer)) {
+      mg3d.decrypt(block, i);
+    }
+    mg3d.free();
+
+    return {
+      cipherName: this.cipherName,
+      status: Status.OK,
+      data: audioBuffer,
+    };
+  }
+
+  public static make() {
+    return new Migu3DKeylessDecipher();
+  }
+}

src/decrypt-worker/decipher/NetEaseCloudMusic.ts

@@ -0,0 +1,42 @@
+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers';
+import { NCMFile } from '@unlock-music/crypto';
+import { chunkBuffer } from '~/decrypt-worker/util/buffer.ts';
+import { UnsupportedSourceFile } from '~/decrypt-worker/util/DecryptError.ts';
+
+export class NetEaseCloudMusicDecipher implements DecipherInstance {
+  cipherName = 'NCM/PC';
+
+  tryInit(ncm: NCMFile, buffer: Uint8Array) {
+    let neededLength = 1024;
+    while (neededLength !== 0) {
+      console.debug('NCM/open: read %d bytes', neededLength);
+      neededLength = ncm.open(buffer.subarray(0, neededLength));
+      if (neededLength === -1) {
+        throw new UnsupportedSourceFile('file is not ncm');
+      }
+    }
+  }
+
+  async decrypt(buffer: Uint8Array): Promise<DecipherResult | DecipherOK> {
+    const ncm = new NCMFile();
+    try {
+      this.tryInit(ncm, buffer);
+
+      const audioBuffer = buffer.slice(ncm.audioOffset);
+      for (const [block, offset] of chunkBuffer(audioBuffer)) {
+        ncm.decrypt(block, offset);
+      }
+      return {
+        status: Status.OK,
+        cipherName: this.cipherName,
+        data: audioBuffer,
+      };
+    } finally {
+      ncm.free();
+    }
+  }
+
+  public static make() {
+    return new NetEaseCloudMusicDecipher();
+  }
+}

src/decrypt-worker/decipher/QQMusic.ts

@@ -0,0 +1,74 @@
+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers';
+import { decryptQMC1, QMC2, QMCFooter } from '@unlock-music/crypto';
+import { chunkBuffer } from '~/decrypt-worker/util/buffer.ts';
+import type { DecryptCommandOptions } from '~/decrypt-worker/types.ts';
+import { UnsupportedSourceFile } from '~/decrypt-worker/util/DecryptError.ts';
+import { isDataLooksLikeAudio } from '~/decrypt-worker/util/audioType.ts';
+
+export class QQMusicV1Decipher implements DecipherInstance {
+  cipherName = 'QQMusic/QMC1';
+
+  async decrypt(buffer: Uint8Array): Promise<DecipherResult | DecipherOK> {
+    const header = buffer.slice(0, 0x20);
+    decryptQMC1(header, 0);
+    if (!isDataLooksLikeAudio(header)) {
+      throw new UnsupportedSourceFile('does not look like QMC file');
+    }
+
+    const audioBuffer = new Uint8Array(buffer);
+    for (const [block, offset] of chunkBuffer(audioBuffer)) {
+      decryptQMC1(block, offset);
+    }
+    return {
+      status: Status.OK,
+      cipherName: this.cipherName,
+      data: audioBuffer,
+    };
+  }
+
+  public static create() {
+    return new QQMusicV1Decipher();
+  }
+}
+
+export class QQMusicV2Decipher implements DecipherInstance {
+  cipherName: string;
+
+  constructor(private readonly useUserKey: boolean) {
+    this.cipherName = `QQMusic/QMC2(user_key=${+useUserKey})`;
+  }
+
+  async decrypt(buffer: Uint8Array, options: DecryptCommandOptions): Promise<DecipherResult | DecipherOK> {
+    const footer = QMCFooter.parse(buffer.subarray(buffer.byteLength - 1024));
+    if (!footer) {
+      throw new UnsupportedSourceFile('Not QMC2 File');
+    }
+
+    const audioBuffer = buffer.slice(0, buffer.byteLength - footer.size);
+    const ekey = this.useUserKey ? options.qmc2Key : footer.ekey;
+    footer.free();
+    if (!ekey) {
+      throw new Error('EKey missing');
+    }
+
+    const qmc2 = new QMC2(ekey);
+    for (const [block, offset] of chunkBuffer(audioBuffer)) {
+      qmc2.decrypt(block, offset);
+    }
+    qmc2.free();
+
+    return {
+      status: Status.OK,
+      cipherName: this.cipherName,
+      data: audioBuffer,
+    };
+  }
+
+  public static createWithUserKey() {
+    return new QQMusicV2Decipher(true);
+  }
+
+  public static createWithEmbeddedEKey() {
+    return new QQMusicV2Decipher(false);
+  }
+}

src/decrypt-worker/decipher/QingTingFM.ts

@@ -0,0 +1,37 @@
+import type { DecryptCommandOptions } from '~/decrypt-worker/types.ts';
+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers.ts';
+import { QingTingFM } from '@unlock-music/crypto';
+import { chunkBuffer } from '~/decrypt-worker/util/buffer.ts';
+import { unhex } from '~/util/hex.ts';
+
+export class QignTingFMDecipher implements DecipherInstance {
+  cipherName = 'QingTingFM (Android, qta)';
+
+  async decrypt(buffer: Uint8Array, opts: DecryptCommandOptions): Promise<DecipherResult | DecipherOK> {
+    const key = unhex(opts.qingTingAndroidKey || '');
+    const iv = QingTingFM.getFileIV(opts.fileName);
+
+    if (key.byteLength !== 16 || iv.byteLength !== 16) {
+      return {
+        status: Status.FAILED,
+        message: 'device key or iv invalid',
+      };
+    }
+
+    const qtfm = new QingTingFM(key, iv);
+    const audioBuffer = new Uint8Array(buffer);
+    for (const [block, i] of chunkBuffer(audioBuffer)) {
+      qtfm.decrypt(block, i);
+    }
+
+    return {
+      cipherName: this.cipherName,
+      status: Status.OK,
+      data: audioBuffer,
+    };
+  }
+
+  public static make() {
+    return new QignTingFMDecipher();
+  }
+}

src/decrypt-worker/decipher/Transparent.ts

@@ -0,0 +1,18 @@
+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers.ts';
+
+export class TransparentDecipher implements DecipherInstance {
+  cipherName = 'none';
+
+  async decrypt(buffer: Uint8Array): Promise<DecipherResult | DecipherOK> {
+    return {
+      cipherName: 'None',
+      status: Status.OK,
+      data: buffer,
+      message: 'No decipher applied',
+    };
+  }
+
+  public static make() {
+    return new TransparentDecipher();
+  }
+}

src/decrypt-worker/decipher/XiamiMusic.ts

@@ -0,0 +1,28 @@
+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers.ts';
+import { Xiami } from '@unlock-music/crypto';
+import { chunkBuffer } from '~/decrypt-worker/util/buffer.ts';
+
+export class XiamiDecipher implements DecipherInstance {
+  cipherName = 'Xiami (XM)';
+
+  async decrypt(buffer: Uint8Array): Promise<DecipherResult | DecipherOK> {
+    const xm = Xiami.from_header(buffer.subarray(0, 0x10));
+    const { copyPlainLength } = xm;
+    const audioBuffer = buffer.slice(0x10);
+
+    for (const [block] of chunkBuffer(audioBuffer.subarray(copyPlainLength))) {
+      xm.decrypt(block);
+    }
+    xm.free();
+
+    return {
+      cipherName: this.cipherName,
+      status: Status.OK,
+      data: audioBuffer,
+    };
+  }
+
+  public static make() {
+    return new XiamiDecipher();
+  }
+}

src/decrypt-worker/decipher/Ximalaya.ts

@@ -0,0 +1,71 @@
+import { DecipherInstance, DecipherOK, DecipherResult, Status } from '~/decrypt-worker/Deciphers';
+import type { DecryptCommandOptions } from '~/decrypt-worker/types.ts';
+import { decryptX2MHeader, decryptX3MHeader, XmlyPC } from '@unlock-music/crypto';
+import { isDataLooksLikeAudio } from '~/decrypt-worker/util/audioType.ts';
+import { UnsupportedSourceFile } from '~/decrypt-worker/util/DecryptError.ts';
+
+export class XimalayaAndroidDecipher implements DecipherInstance {
+  cipherName: string;
+
+  constructor(
+    private decipher: (buffer: Uint8Array) => void,
+    private cipherType: string,
+  ) {
+    this.cipherName = `Ximalaya (Android, ${cipherType})`;
+  }
+
+  async decrypt(buffer: Uint8Array, _options: DecryptCommandOptions): Promise<DecipherResult | DecipherOK> {
+    // Detect with first 0x400 bytes
+    const slice = buffer.slice(0, 0x400);
+    this.decipher(slice);
+    if (!isDataLooksLikeAudio(slice)) {
+      throw new UnsupportedSourceFile(`Not a Xmly android file (${this.cipherType})`);
+    }
+    const result = new Uint8Array(buffer);
+    result.set(slice, 0);
+    return {
+      cipherName: this.cipherName,
+      status: Status.OK,
+      data: result,
+    };
+  }
+
+  public static makeX2M() {
+    return new XimalayaAndroidDecipher(decryptX2MHeader, 'X2M');
+  }
+
+  public static makeX3M() {
+    return new XimalayaAndroidDecipher(decryptX3MHeader, 'X3M');
+  }
+}
+
+export class XimalayaPCDecipher implements DecipherInstance {
+  cipherName = 'Ximalaya (PC)';
+
+  async decrypt(buffer: Uint8Array, _options: DecryptCommandOptions): Promise<DecipherResult | DecipherOK> {
+    // Detect with first 0x400 bytes
+    const headerSize = XmlyPC.getHeaderSize(buffer.subarray(0, 1024));
+    const xm = new XmlyPC(buffer.subarray(0, headerSize));
+    const { audioHeader, encryptedHeaderOffset, encryptedHeaderSize } = xm;
+    const plainAudioDataOffset = encryptedHeaderOffset + encryptedHeaderSize;
+    const plainAudioDataLength = buffer.byteLength - plainAudioDataOffset;
+    const encryptedAudioPart = buffer.slice(encryptedHeaderOffset, plainAudioDataOffset);
+    const encryptedAudioPartLen = xm.decrypt(encryptedAudioPart);
+    const audioSize = audioHeader.byteLength + encryptedAudioPartLen + plainAudioDataLength;
+    xm.free();
+
+    const result = new Uint8Array(audioSize);
+    result.set(audioHeader);
+    result.set(encryptedAudioPart, audioHeader.byteLength);
+    result.set(buffer.subarray(plainAudioDataOffset), audioHeader.byteLength + encryptedAudioPartLen);
+    return {
+      status: Status.OK,
+      data: result,
+      cipherName: this.cipherName,
+    };
+  }
+
+  public static make() {
+    return new XimalayaPCDecipher();
+  }
+}