From 7c29866c4128380b81d0065dfdc838b9ad4c242f Mon Sep 17 00:00:00 2001 From: Jixun Wu Date: Sat, 13 May 2023 15:55:02 +0100 Subject: [PATCH] chore: experimental work on bridge libparakeet --- package.json | 2 +- pnpm-lock.yaml | 8 ++-- src/decrypt-worker/crypto/qmc/qmc_v1.ts | 51 +++++++++++++++++++++++++ src/decrypt-worker/worker.ts | 3 ++ 4 files changed, 59 insertions(+), 5 deletions(-) create mode 100644 src/decrypt-worker/crypto/qmc/qmc_v1.ts diff --git a/package.json b/package.json index f48bc7a..4cc9696 100644 --- a/package.json +++ b/package.json @@ -14,7 +14,7 @@ "@chakra-ui/react": "^2.6.1", "@emotion/react": "^11.11.0", "@emotion/styled": "^11.11.0", - "@jixun/libparakeet": "0.0.0-exp6", + "@jixun/libparakeet": "0.0.0-exp.10", "@reduxjs/toolkit": "^1.9.5", "framer-motion": "^10.12.8", "nanoid": "^4.0.2", diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index d1388dd..1ae68ae 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -14,8 +14,8 @@ dependencies: specifier: ^11.11.0 version: 11.11.0(@emotion/react@11.11.0)(@types/react@18.0.28)(react@18.2.0) '@jixun/libparakeet': - specifier: 0.0.0-exp6 - version: 0.0.0-exp6 + specifier: 0.0.0-exp.10 + version: 0.0.0-exp.10 '@reduxjs/toolkit': specifier: ^1.9.5 version: 1.9.5(react-redux@8.0.5)(react@18.2.0) @@ -1780,8 +1780,8 @@ packages: resolution: {integrity: sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==} dev: true - /@jixun/libparakeet@0.0.0-exp6: - resolution: {integrity: sha512-hxItnn7nMKnmgSEnFXtbkud9KmxtQrBQzM/oMRpl4hfgVL0PxnTMJtoyKCYR0MGOuQ/+M+Ehc8rLi4Ex/rRdTg==} + /@jixun/libparakeet@0.0.0-exp.10: + resolution: {integrity: sha512-mDV3aBhWytgvr8gRza28+bDyCKLFet3qqrw+tos8Cz/Bg/tZneYlS5qP4w24cEfrV83OxI2NSOVYgZIN4S2RUw==} dev: false /@jridgewell/gen-mapping@0.3.3: diff --git a/src/decrypt-worker/crypto/qmc/qmc_v1.ts b/src/decrypt-worker/crypto/qmc/qmc_v1.ts new file mode 100644 index 0000000..c44706b --- /dev/null +++ b/src/decrypt-worker/crypto/qmc/qmc_v1.ts @@ -0,0 +1,51 @@ +import type { CryptoBase } from '../CryptoBase'; +import { loadLibParakeet, factory, BlobSink, createArrayBufferReader, TransformResult } from '@jixun/libparakeet'; + +const key = new Uint8Array([ + 0x77, 0x48, 0x32, 0x73, 0xde, 0xf2, 0xc0, 0xc8, 0x95, 0xec, 0x30, 0xb2, 0x51, 0xc3, 0xe1, 0xa0, 0x9e, 0xe6, 0x9d, + 0xcf, 0xfa, 0x7f, 0x14, 0xd1, 0xce, 0xb8, 0xdc, 0xc3, 0x4a, 0x67, 0x93, 0xd6, 0x28, 0xc2, 0x91, 0x70, 0xca, 0x8d, + 0xa2, 0xa4, 0xf0, 0x08, 0x61, 0x90, 0x7e, 0x6f, 0xa2, 0xe0, 0xeb, 0xae, 0x3e, 0xb6, 0x67, 0xc7, 0x92, 0xf4, 0x91, + 0xb5, 0xf6, 0x6c, 0x5e, 0x84, 0x40, 0xf7, 0xf3, 0x1b, 0x02, 0x7f, 0xd5, 0xab, 0x41, 0x89, 0x28, 0xf4, 0x25, 0xcc, + 0x52, 0x11, 0xad, 0x43, 0x68, 0xa6, 0x41, 0x8b, 0x84, 0xb5, 0xff, 0x2c, 0x92, 0x4a, 0x26, 0xd8, 0x47, 0x6a, 0x7c, + 0x95, 0x61, 0xcc, 0xe6, 0xcb, 0xbb, 0x3f, 0x47, 0x58, 0x89, 0x75, 0xc3, 0x75, 0xa1, 0xd9, 0xaf, 0xcc, 0x08, 0x73, + 0x17, 0xdc, 0xaa, 0x9a, 0xa2, 0x16, 0x41, 0xd8, 0xa2, 0x06, 0xc6, 0x8b, 0xfc, 0x66, 0x34, 0x9f, 0xcf, 0x18, 0x23, + 0xa0, 0x0a, 0x74, 0xe7, 0x2b, 0x27, 0x70, 0x92, 0xe9, 0xaf, 0x37, 0xe6, 0x8c, 0xa7, 0xbc, 0x62, 0x65, 0x9c, 0xc2, + 0x08, 0xc9, 0x88, 0xb3, 0xf3, 0x43, 0xac, 0x74, 0x2c, 0x0f, 0xd4, 0xaf, 0xa1, 0xc3, 0x01, 0x64, 0x95, 0x4e, 0x48, + 0x9f, 0xf4, 0x35, 0x78, 0x95, 0x7a, 0x39, 0xd6, 0x6a, 0xa0, 0x6d, 0x40, 0xe8, 0x4f, 0xa8, 0xef, 0x11, 0x1d, 0xf3, + 0x1b, 0x3f, 0x3f, 0x07, 0xdd, 0x6f, 0x5b, 0x19, 0x30, 0x19, 0xfb, 0xef, 0x0e, 0x37, 0xf0, 0x0e, 0xcd, 0x16, 0x49, + 0xfe, 0x53, 0x47, 0x13, 0x1a, 0xbd, 0xa4, 0xf1, 0x40, 0x19, 0x60, 0x0e, 0xed, 0x68, 0x09, 0x06, 0x5f, 0x4d, 0xcf, + 0x3d, 0x1a, 0xfe, 0x20, 0x77, 0xe4, 0xd9, 0xda, 0xf9, 0xa4, 0x2b, 0x76, 0x1c, 0x71, 0xdb, 0x00, 0xbc, 0xfd, 0x0c, + 0x6c, 0xa5, 0x47, 0xf7, 0xf6, 0x00, 0x79, 0x4a, 0x11, +]); + +export class QMC1Crypto implements CryptoBase { + async isSupported(_blob: Blob): Promise { + return true; + } + + async decrypt(blob: Blob): Promise { + const cleanup: (() => void)[] = []; + + try { + const mod = await loadLibParakeet(); + const transformer = factory.CreateQMCv1Transformer(mod, key); + cleanup.push(() => transformer.delete()); + + const reader = createArrayBufferReader(await blob.arrayBuffer(), mod); + cleanup.push(() => reader.delete()); + + const sink = new BlobSink(mod); + const writer = sink.getWriter(); + cleanup.push(() => writer.delete()); + + const result = transformer.Transform(writer, reader); + if (result !== TransformResult.OK) { + throw new Error(`transform failed with error: ${TransformResult[result]} (${result})`); + } + + return sink.collectBlob(); + } finally { + cleanup.forEach((clean) => clean()); + } + } +} diff --git a/src/decrypt-worker/worker.ts b/src/decrypt-worker/worker.ts index 3b03ae6..453cadc 100644 --- a/src/decrypt-worker/worker.ts +++ b/src/decrypt-worker/worker.ts @@ -3,6 +3,7 @@ import { DECRYPTION_WORKER_ACTION_NAME } from './constants'; import type { CryptoFactory } from './crypto/CryptoBase'; import { XiamiCrypto } from './crypto/xiami/xiami'; +import { QMC1Crypto } from './crypto/qmc/qmc_v1'; const bus = new WorkerServerBus(); onmessage = bus.onmessage; @@ -10,9 +11,11 @@ onmessage = bus.onmessage; const decryptorFactories: CryptoFactory[] = [ // Xiami (*.xm) () => new XiamiCrypto(), + () => new QMC1Crypto(), ]; bus.addEventHandler(DECRYPTION_WORKER_ACTION_NAME.DECRYPT, async (blobURI) => { + debugger; const blob = await fetch(blobURI).then((r) => r.blob()); for (const factory of decryptorFactories) {