支持mg源逐字歌词的播放
lyswhut
parent
f2e3d4a53d
commit
bb8509a21c
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@ -5,6 +5,7 @@
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### 优化
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- 添加歌曲到“我的列表”时，若按住`ctrl`键（Mac对应`Command`），则不会自动关闭添加窗口，这对想要将同一首（一批）歌曲添加到多个列表时会很有用
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- 支持mg源逐字歌词的播放，感谢 @mozbugbox 提供的帮助
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### 修复
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@ -238,6 +238,7 @@ const actions = {
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switch (musicInfo.source) {
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case 'kg':
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case 'kw':
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case 'mg':
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break
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default:
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return buildLyricInfo(lrcInfo, musicInfo)
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@ -148,6 +148,8 @@ export default {
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img: item.albumImgs && item.albumImgs.length ? item.albumImgs[0].img : null,
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lrc: null,
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lrcUrl: item.lrcUrl,
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mrcUrl: item.mrcUrl,
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trcUrl: item.trcUrl,
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otherSource: null,
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types,
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_types,
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@ -1,14 +1,112 @@
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import { httpFetch } from '../../request'
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import musicSearch from './musicSearch'
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import { decrypt } from './mrc'
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const mrcTools = {
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rxps: {
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lineTime: /^\s*\[(\d+),\d+\]/,
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wordTime: /\(\d+,\d+\)/,
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wordTimeAll: /(\(\d+,\d+\))/g,
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},
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parseLyric(str) {
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str = str.replace(/\r/g, '')
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const lines = str.split('\n')
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const lxlrcLines = []
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const lrcLines = []
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for (const line of lines) {
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if (line.length < 6) continue
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let result = this.rxps.lineTime.exec(line)
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if (!result) continue
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const startTime = parseInt(result[1])
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let time = startTime
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let ms = time % 1000
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time /= 1000
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let m = parseInt(time / 60).toString().padStart(2, '0')
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time %= 60
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let s = parseInt(time).toString().padStart(2, '0')
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time = `${m}:${s}.${ms}`
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let words = line.replace(this.rxps.lineTime, '')
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lrcLines.push(`[${time}]${words.replace(this.rxps.wordTimeAll, '')}`)
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let times = words.match(this.rxps.wordTimeAll)
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if (!times) continue
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times = times.map(time => {
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const result = /\((\d+),(\d+)\)/.exec(time)
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return `<${parseInt(result[1]) - startTime},${result[2]}>`
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})
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const wordArr = words.split(this.rxps.wordTime)
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const newWords = times.map((time, index) => `${time}${wordArr[index]}`).join('')
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lxlrcLines.push(`[${time}]${newWords}`)
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}
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return {
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lyric: lrcLines.join('\n'),
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lxlyric: lxlrcLines.join('\n'),
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}
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},
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getText(url, tryNum = 0) {
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const requestObj = httpFetch(url, {
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headers: {
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Referer: 'https://app.c.nf.migu.cn/',
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'User-Agent': 'Mozilla/5.0 (Linux; Android 5.1.1; Nexus 6 Build/LYZ28E) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Mobile Safari/537.36',
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channel: '0146921',
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},
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})
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return requestObj.promise.then(({ statusCode, body }) => {
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if (statusCode == 200) return body
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if (tryNum > 5 || statusCode == 404) return Promise.reject('歌词获取失败')
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return this.getText(url, ++tryNum)
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})
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},
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getMrc(url) {
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return this.getText(url).then(text => {
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return this.parseLyric(decrypt(text))
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})
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},
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getLrc(url) {
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return this.getText(url).then(text => ({ lxlyric: '', lyric: text }))
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},
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getTrc(url) {
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if (!url) return Promise.resolve('')
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return this.getText(url)
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},
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getMusicInfo(songInfo) {
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return songInfo.mrcUrl == null
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? musicSearch.search(`${songInfo.name} ${songInfo.singer || ''}`.trim(), 1, { limit: 25 }).then(({ list }) => {
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const targetSong = list.find(s => s.songmid == songInfo.songmid)
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return targetSong ? { lrcUrl: targetSong.lrcUrl, mrcUrl: targetSong.mrcUrl, trcUrl: targetSong.trcUrl } : Promise.reject('获取歌词失败')
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})
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: Promise.resolve({ lrcUrl: songInfo.lrcUrl, mrcUrl: songInfo.mrcUrl, trcUrl: songInfo.trcUrl })
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},
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getLyric(songInfo) {
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return {
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promise: this.getMusicInfo(songInfo).then(info => {
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let p
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if (info.mrcUrl) p = this.getMrc(info.mrcUrl)
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else if (info.lrcUrl) p = this.getLrc(info.lrcUrl)
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if (p == null) return Promise.reject('获取歌词失败')
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return Promise.all([p, this.getTrc(info.trcUrl)]).then(([lrcInfo, tlyric]) => {
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lrcInfo.tlyric = tlyric
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return lrcInfo
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})
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}),
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cancelHttp() {},
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}
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},
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}
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export default {
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getLyric(songInfo, tryNum = 0) {
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getLyricWeb(songInfo, tryNum = 0) {
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// console.log(songInfo.copyrightId)
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if (songInfo.lrcUrl) {
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let requestObj = httpFetch(songInfo.lrcUrl)
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requestObj.promise = requestObj.promise.then(({ body, statusCode }) => {
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if (statusCode !== 200) {
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if (tryNum > 5) return Promise.reject('歌词获取失败')
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let tryRequestObj = this.getLyric(songInfo, ++tryNum)
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let tryRequestObj = this.getLyricWeb(songInfo, ++tryNum)
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requestObj.cancelHttp = tryRequestObj.cancelHttp.bind(tryRequestObj)
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return tryRequestObj.promise
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}
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@ -19,15 +117,15 @@ export default {
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})
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return requestObj
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} else {
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let requestObj = httpFetch(`http://music.migu.cn/v3/api/music/audioPlayer/getLyric?copyrightId=${songInfo.copyrightId}`, {
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let requestObj = httpFetch(`https://music.migu.cn/v3/api/music/audioPlayer/getLyric?copyrightId=${songInfo.copyrightId}`, {
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headers: {
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Referer: 'http://music.migu.cn/v3/music/player/audio?from=migu',
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Referer: 'https://music.migu.cn/v3/music/player/audio?from=migu',
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},
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})
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requestObj.promise = requestObj.promise.then(({ body }) => {
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if (body.returnCode !== '000000' || !body.lyric) {
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if (tryNum > 5) return Promise.reject(new Error('Get lyric failed'))
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let tryRequestObj = this.getLyric(songInfo, ++tryNum)
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let tryRequestObj = this.getLyricWeb(songInfo, ++tryNum)
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requestObj.cancelHttp = tryRequestObj.cancelHttp.bind(tryRequestObj)
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return tryRequestObj.promise
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}
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@ -39,4 +137,14 @@ export default {
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return requestObj
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}
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},
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getLyric(songInfo) {
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let requestObj = mrcTools.getLyric(songInfo)
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requestObj.promise = requestObj.promise.catch(() => {
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let webRequestObj = this.getLyricWeb(songInfo)
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requestObj.cancelHttp = webRequestObj.cancelHttp.bind(webRequestObj)
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return webRequestObj.promise
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})
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return requestObj
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},
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}
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@ -0,0 +1,104 @@
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// const key = 'karakal@123Qcomyidongtiantianhaoting'
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const DELTA = 2654435769n
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const MIN_LENGTH = 32
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// const SPECIAL_CHAR = '0'
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const keyArr = [
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27303562373562475n,
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18014862372307051n,
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22799692160172081n,
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34058940340699235n,
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30962724186095721n,
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27303523720101991n,
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27303523720101998n,
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31244139033526382n,
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28992395054481524n,
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]
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const teaDecrypt = (data, key) => {
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const length = data.length
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const lengthBitint = BigInt(length)
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if (length >= 1) {
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// let j = data[data.length - 1];
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let j2 = data[0]
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let j3 = toLong((6n + (52n / lengthBitint)) * DELTA)
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while (true) {
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let j4 = j3
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if (j4 == 0n) break
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let j5 = toLong(3n & toLong(j4 >> 2n))
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let j6 = lengthBitint
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while (true) {
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j6--
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if (j6 > 0n) {
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let j7 = data[(j6 - 1n)]
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let i = j6
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j2 = toLong(data[i] - (toLong(toLong(j2 ^ j4) + toLong(j7 ^ key[toLong(toLong(3n & j6) ^ j5)])) ^ toLong(toLong(toLong(j7 >> 5n) ^ toLong(j2 << 2n)) + toLong(toLong(j2 >> 3n) ^ toLong(j7 << 4n)))))
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data[i] = j2
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} else break
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}
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let j8 = data[lengthBitint - 1n]
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j2 = toLong(data[0n] - toLong(toLong(toLong(key[toLong(toLong(j6 & 3n) ^ j5)] ^ j8) + toLong(j2 ^ j4)) ^ toLong(toLong(toLong(j8 >> 5n) ^ toLong(j2 << 2n)) + toLong(toLong(j2 >> 3n) ^ toLong(j8 << 4n)))))
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data[0] = j2
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j3 = toLong(j4 - DELTA)
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}
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}
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return data
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}
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const longArrToString = (data) => {
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const arrayList = []
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for (const j of data) arrayList.push(longToBytes(j).toString('utf16le'))
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return arrayList.join('')
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}
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// https://stackoverflow.com/a/29132118
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const longToBytes = (l) => {
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const result = Buffer.alloc(8)
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for (let i = 0; i < 8; i++) {
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result[i] = parseInt(l & 0xFFn)
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l >>= 8n
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}
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return result
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}
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const toBigintArray = (data) => {
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const length = Math.floor(data.length / 16)
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const jArr = Array(length)
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for (let i = 0; i < length; i++) {
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jArr[i] = toLong(data.substring(i * 16, (i * 16) + 16))
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}
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return jArr
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}
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// https://github.com/lyswhut/lx-music-desktop/issues/445#issuecomment-1139338682
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const MAX = 9223372036854775807n
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const MIN = -9223372036854775808n
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const toLong = str => {
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const num = typeof str == 'string' ? BigInt('0x' + str) : str
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if (num > MAX) return toLong(num - (1n << 64n))
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else if (num < MIN) return toLong(num + (1n << 64n))
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return num
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}
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export const decrypt = (data) => {
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// console.log(data.length)
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// -3551594764563790630
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// console.log(toLongArrayFromArr(Buffer.from(key)))
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// console.log(teaDecrypt(toBigintArray(data), keyArr))
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// console.log(longArrToString(teaDecrypt(toBigintArray(data), keyArr)))
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// console.log(toByteArray(teaDecrypt(toBigintArray(data), keyArr)))
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return (data == null || data.length < MIN_LENGTH)
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? data
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: longArrToString(teaDecrypt(toBigintArray(data), keyArr))
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}
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// console.log(14895149309145760986n - )
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// console.log(toLong('14895149309145760986'))
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// console.log(decrypt(str))
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// console.log(decrypt(str))
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// console.log(toByteArray([6048138644744000495n]))
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// console.log(toByteArray([16325999628386395n]))
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// console.log(toLong(90994076459972177136n))
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@ -89,7 +89,7 @@ export default {
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name: item.name,
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albumName: albumNInfo.name,
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albumId: albumNInfo.id,
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songmid: item.id,
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songmid: item.copyrightId,
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songId: item.songId,
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copyrightId: item.copyrightId,
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source: 'mg',
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@ -97,6 +97,8 @@ export default {
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img: item.imgItems && item.imgItems.length ? item.imgItems[0].img : null,
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lrc: null,
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lrcUrl: item.lyricUrl,
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mrcUrl: item.mrcurl,
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trcUrl: item.trcUrl,
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otherSource: null,
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types,
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_types,
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@ -212,6 +212,8 @@ export default {
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img: item.albumImgs && item.albumImgs.length ? item.albumImgs[0].img : null,
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lrc: null,
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lrcUrl: item.lrcUrl,
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mrcUrl: item.mrcUrl,
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trcUrl: item.trcUrl,
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otherSource: null,
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types,
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_types,
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