Use Universal Decoder for Qmc,Mgg,Mflac
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MengYX
parent
47cea6eae9
commit
41a45176be
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@ -1,8 +1,6 @@
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const NcmDecrypt = require("./ncm");
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const QmcDecrypt = require("./qmc");
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const RawDecrypt = require("./raw");
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const MFlacDecrypt = require("./mflac");
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const MggDecrypt = require("./mgg");
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const TmDecrypt = require("./tm");
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@ -31,13 +29,9 @@ export async function CommonDecrypt(file) {
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case "tkm"://QQ Music Accompaniment M4a
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case "bkcmp3"://Moo Music Mp3
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case "bkcflac"://Moo Music Flac
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rt_data = await QmcDecrypt.Decrypt(file.raw, raw_filename, raw_ext);
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break;
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case "mflac"://QQ Music Desktop Flac
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rt_data = await MFlacDecrypt.Decrypt(file.raw, raw_filename, raw_ext);
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break;
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case "mgg":
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rt_data = await MggDecrypt.Decrypt(file.raw, raw_filename, raw_ext);
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case "mgg": //QQ Music Desktop Ogg
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rt_data = await QmcDecrypt.Decrypt(file.raw, raw_filename, raw_ext);
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break;
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case "tm2":// QQ Music IOS M4a
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case "tm6":// QQ Music IOS M4a
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@ -1,55 +0,0 @@
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const musicMetadata = require("music-metadata-browser");
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import {GetArrayBuffer, GetCoverURL, GetFileInfo} from "./util"
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import * as mask from "./qmcmask"
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export async function Decrypt(file, raw_filename, raw_ext) {
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// 获取扩展名
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if (raw_ext !== "mflac") return {
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status: false,
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message: "File type is incorrect!",
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};
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// 读取文件
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const fileBuffer = await GetArrayBuffer(file);
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const audioData = new Uint8Array(fileBuffer.slice(0, -0x170));
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//const audioDataLen = audioData.length;
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// 转换数据
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const seed = mask.QmcMaskDetectMflac(audioData);
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if (seed === undefined) return {
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status: false,
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message: "此音乐无法解锁，目前mflac格式不提供完整支持",
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};
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const dec = seed.Decrypt(audioData);
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// 导出
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const musicData = new Blob([dec], {type: "audio/flac"});
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// 读取Meta
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let tag = await musicMetadata.parseBlob(musicData);
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const info = GetFileInfo(tag.common.artist, tag.common.title, raw_filename);
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//reportKeyInfo(new Uint8Array(fileBuffer.slice(-0x170)), seed.mask128,
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// info.artist, info.title, tag.common.album, raw_filename);
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// 返回
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return {
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status: true,
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title: info.title,
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artist: info.artist,
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ext: 'flac',
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album: tag.common.album,
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picture: GetCoverURL(tag),
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file: URL.createObjectURL(musicData),
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mime: "audio/flac"
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}
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}
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function reportKeyInfo(keyData, maskData, artist, title, album, filename) {
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fetch("https://stats.ixarea.com/collect/mflac/mask", {
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method: "POST",
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headers: {"Content-Type": "application/json"},
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body: JSON.stringify({
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Mask: Array.from(maskData), Key: Array.from(keyData),
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Artist: artist, Title: title, Album: album, Filename: filename
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}),
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}).then().catch()
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}
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@ -1,60 +0,0 @@
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const musicMetadata = require("music-metadata-browser");
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const util = require("./util");
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import * as mask from "./qmcmask"
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//todo: combine qmc mflac mgg
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export async function Decrypt(file, raw_filename, raw_ext) {
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// 获取扩展名
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if (raw_ext !== "mgg") return {
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status: false,
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message: "File type is incorrect!",
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};
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// 读取文件
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const fileBuffer = await util.GetArrayBuffer(file);
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const audioData = new Uint8Array(fileBuffer.slice(0, -0x170));
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const audioDataLen = audioData.length;
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const keyData = new Uint8Array(fileBuffer.slice(-0x170));
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const headData = new Uint8Array(fileBuffer.slice(0, 170));
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let seed = mask.QmcMaskDetectMgg(headData);
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if (seed === undefined) {
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return {
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status: false,
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message: "此音乐无法解锁，目前mgg格式仅提供试验性支持",
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};
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/*try {
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let resp = await queryKeyInfo(keyData, headData, raw_filename);
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let data = await resp.json();
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seed = mask.QmcMaskCreate128(data.Mask);
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} catch (e) {}*/
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}
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const dec = seed.Decrypt(audioData);
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// 导出
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const musicData = new Blob([dec], {type: "audio/ogg"});
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// 读取Meta
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let tag = await musicMetadata.parseBlob(musicData);
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const info = util.GetFileInfo(tag.common.artist, tag.common.title, raw_filename);
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// 返回
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return {
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status: true,
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title: info.title,
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artist: info.artist,
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ext: 'ogg',
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album: tag.common.album,
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picture: util.GetCoverURL(tag),
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file: URL.createObjectURL(musicData),
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mime: "audio/ogg"
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}
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}
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function queryKeyInfo(keyData, headData, filename) {
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return fetch("http://127.0.0.1:6580/mgg/query", {
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method: "POST",
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headers: {"Content-Type": "application/json"},
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body: JSON.stringify({Key: Array.from(keyData), Head: Array.from(headData), Filename: filename}),
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})
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}
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@ -1,46 +1,78 @@
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const musicMetadata = require("music-metadata-browser");
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const util = require("./util");
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import * as mask from "./qmcmask"
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import {AudioMimeType, GetArrayBuffer, GetCoverURL, GetFileInfo} from "./util";
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import * as mask from "./qmcMask"
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const OriginalExtMap = {
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"qmc0": "mp3",
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"qmc3": "mp3",
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"qmcogg": "ogg",
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"qmcflac": "flac",
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"bkcmp3": "mp3",
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"bkcflac": "flac",
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"tkm": "m4a"
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const musicMetadata = require("music-metadata-browser");
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const HandlerMap = {
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"mgg": {handler: mask.QmcMaskDetectMgg, ext: "ogg", detect: true},
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"mflac": {handler: mask.QmcMaskDetectMflac, ext: "flac", detect: true},
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"qmc0": {handler: mask.QmcMaskGetDefault, ext: "mp3", detect: false},
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"qmc3": {handler: mask.QmcMaskGetDefault, ext: "mp3", detect: false},
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"qmcogg": {handler: mask.QmcMaskGetDefault, ext: "ogg", detect: false},
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"qmcflac": {handler: mask.QmcMaskGetDefault, ext: "flac", detect: false},
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"bkcmp3": {handler: mask.QmcMaskGetDefault, ext: "mp3", detect: false},
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"bkcflac": {handler: mask.QmcMaskGetDefault, ext: "flac", detect: false},
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"tkm": {handler: mask.QmcMaskGetDefault, ext: "m4a", detect: false}
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};
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//todo: use header to detect media type
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export async function Decrypt(file, raw_filename, raw_ext) {
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// 获取扩展名
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if (!(raw_ext in OriginalExtMap)) {
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return {status: false, message: "File type is incorrect!"}
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}
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const new_ext = OriginalExtMap[raw_ext];
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const mime = util.AudioMimeType[new_ext];
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// 读取文件
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const fileBuffer = await util.GetArrayBuffer(file);
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const audioData = new Uint8Array(fileBuffer);
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// 转换数据
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const seed = mask.QmcMaskGetDefault();
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const dec = seed.Decrypt(audioData);
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// 导出
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const musicData = new Blob([dec], {type: mime});
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// 读取Meta
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const tag = await musicMetadata.parseBlob(musicData);
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const info = util.GetFileInfo(tag.common.artist, tag.common.title, raw_filename);
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if (!(raw_ext in HandlerMap)) return {status: false, message: "File type is incorrect!"};
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const handler = HandlerMap[raw_ext];
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// 返回
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const fileData = new Uint8Array(await GetArrayBuffer(file));
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let audioData, seed, keyData;
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if (handler.detect) {
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audioData = fileData.slice(0, -0x170);
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seed = handler.handler(audioData);
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keyData = fileData.slice(-0x170);
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if (seed === undefined) seed = await queryKeyInfo(keyData, raw_filename, raw_ext);
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if (seed === undefined) return {status: false, message: "此格式仅提供实验性支持！"};
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} else {
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audioData = fileData;
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seed = handler.handler(audioData);
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}
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const dec = seed.Decrypt(audioData);
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const mime = AudioMimeType[handler.ext];
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const musicData = new Blob([dec], {type: mime});
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const tag = await musicMetadata.parseBlob(musicData);
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const info = GetFileInfo(tag.common.artist, tag.common.title, raw_filename);
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if (handler.detect) reportKeyUsage(keyData, seed.Matrix128,
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info.artist, info.title, tag.common.album, raw_filename, raw_ext);
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return {
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status: true,
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title: info.title,
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artist: info.artist,
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ext: new_ext,
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ext: handler.ext,
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album: tag.common.album,
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picture: util.GetCoverURL(tag),
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picture: GetCoverURL(tag),
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file: URL.createObjectURL(musicData),
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mime: mime
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}
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}
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function reportKeyUsage(keyData, maskData, artist, title, album, filename, format) {
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fetch("https://stats.ixarea.com/collect/qmcmask/usage", {
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method: "POST",
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headers: {"Content-Type": "application/json"},
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body: JSON.stringify({
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Mask: Array.from(maskData), Key: Array.from(keyData),
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Artist: artist, Title: title, Album: album, Filename: filename, Format: format
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}),
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}).then().catch()
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}
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async function queryKeyInfo(keyData, filename, format) {
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try {
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const resp = await fetch("https://stats.ixarea.com/collect/qmcmask/query", {
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method: "POST",
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headers: {"Content-Type": "application/json"},
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body: JSON.stringify({Format: format, Key: Array.from(keyData), Filename: filename}),
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});
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let data = await resp.json();
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return mask.QmcMaskCreate58(data.Matrix58, data.Super58A, data.Super58B);
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} catch (e) {
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}
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}
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