feat: align with upstream 1.5.9.9
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@@ -0,0 +1,267 @@
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import crypto from 'node:crypto'
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export const txHeaders = {
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'User-Agent': 'QQMusic 14090508(android 12)'
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}
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export const TX_MUSICU_URL = 'https://u.y.qq.com/cgi-bin/musicu.fcg'
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const QQ_MID_PREFIX_RE = /^qqmid:/i
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const QQ_LEGACY_ID_RE = /^\d+$/
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const TX_DETAIL_CACHE_TTL = 6 * 60 * 60 * 1000
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// 签名算法常量
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const PART_1_INDEXES = [23, 14, 6, 36, 16, 40, 7, 19]
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const PART_2_INDEXES = [16, 1, 32, 12, 19, 27, 8, 5]
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const SCRAMBLE_VALUES = [89, 39, 179, 150, 218, 82, 58, 252, 177, 52, 186, 123, 120, 64, 242, 133, 143, 161, 121, 179]
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function pickHashByIdx(hash: string, indexes: number[]) {
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return indexes.map((idx) => hash[idx]).join('')
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}
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function base64Encode(data: Buffer | string) {
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return Buffer.from(data)
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.toString('base64')
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.replace(/[\\/+=]/g, '')
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}
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/**
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* zzcSign 签名算法
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* 模拟官方客户端签名，抗封锁能力更强
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*/
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export async function zzcSign(text: string) {
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const hash = crypto.createHash('sha1').update(text).digest('hex')
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const part1 = pickHashByIdx(hash, PART_1_INDEXES)
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const part2 = pickHashByIdx(hash, PART_2_INDEXES)
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const part3 = SCRAMBLE_VALUES.map((value, i) => value ^ parseInt(hash.slice(i * 2, i * 2 + 2), 16))
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const b64Part = base64Encode(Buffer.from(part3)).replace(/[\\/+=]/g, '')
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return `zzc${part1}${b64Part}${part2}`.toLowerCase()
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}
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/**
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* 使用签名请求 QQ 音乐 API
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* 相比普通 musicu.fcg，musics.fcg?sign=... 的签名请求更稳定
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*/
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export const txSignedRequest = async (body: any, options: { signal?: AbortSignal } = {}) => {
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const sign = await zzcSign(JSON.stringify(body))
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try {
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const response = await $fetch(`https://u.y.qq.com/cgi-bin/musics.fcg?sign=${sign}`, {
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method: 'POST',
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headers: txHeaders,
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body,
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responseType: 'json',
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signal: options.signal
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})
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return response
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} catch (error) {
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console.error('TX Signed Request Error:', error)
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throw error
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}
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}
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type TxIdType = 'legacy-id' | 'mid'
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interface TxNormalizedMusicId {
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rawMusicId: string
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normalizedMusicId: string
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idType: TxIdType
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}
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interface TxSongPlayableInfo extends TxNormalizedMusicId {
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songmid: string
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songId?: string
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strMediaMid?: string
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}
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const txSongDetailCache = new Map<
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string,
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{
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expiresAt: number
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value: TxSongPlayableInfo
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}
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>()
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/**
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* PC 客户端版 searchid：32 位大写十六进制 GUID + 5 位补零随机数（37 字符）
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*/
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const getTxSearchId = () => {
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let guid = ''
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for (let i = 0; i < 32; i++) guid += Math.floor(Math.random() * 16).toString(16)
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return guid.toUpperCase() + String(Math.floor(Math.random() * 100000)).padStart(5, '0')
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}
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export const createTxSearchBody = (str: string, page: number, limit: number) => {
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return {
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comm: {
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_channelid: '0',
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_os_version: '6.2.9200-2',
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ct: '19',
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cv: '2151',
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guid: '1F70E520B2EAA7D25E11760783C53CA9',
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patch: '118',
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psrf_access_token_expiresAt: 0,
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psrf_qqaccess_token: '',
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psrf_qqopenid: '',
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psrf_qqunionid: '',
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tmeAppID: 'qqmusic',
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tmeLoginType: 0,
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uin: '0',
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wid: '7223299733393904640'
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},
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'music.search.SearchCgiService': {
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module: 'music.search.SearchCgiService',
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method: 'DoSearchForQQMusicDesktop',
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param: {
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grp: 1,
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num_per_page: limit,
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page_num: page,
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query: str,
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remoteplace: 'txt.newclient.top',
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search_type: 0,
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searchid: getTxSearchId()
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}
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}
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}
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}
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export const normalizeTxMusicId = (musicId: string | number): TxNormalizedMusicId => {
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const rawMusicId = String(musicId ?? '').trim()
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const normalizedMusicId = rawMusicId.replace(QQ_MID_PREFIX_RE, '').trim()
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if (!normalizedMusicId) {
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throw createError({ statusCode: 400, message: '缺少 QQ 音乐ID' })
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}
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return {
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rawMusicId,
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normalizedMusicId,
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idType: QQ_LEGACY_ID_RE.test(normalizedMusicId) ? 'legacy-id' : 'mid'
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}
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}
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export const upgradeTxAudioUrl = (url: string) => {
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return url.startsWith('http://') ? url.replace('http://', 'https://') : url
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}
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export const createTxSongDetailBody = (musicId: TxNormalizedMusicId) => {
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const param =
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musicId.idType === 'legacy-id'
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? { song_type: 0, song_id: Number(musicId.normalizedMusicId) }
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: { song_type: 0, song_mid: musicId.normalizedMusicId }
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return {
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comm: {
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ct: '19',
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cv: '1859',
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uin: '0'
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},
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req: {
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module: 'music.pf_song_detail_svr',
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method: 'get_song_detail_yqq',
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param
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}
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}
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}
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const getCachedTxSongDetail = (key: string) => {
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const cached = txSongDetailCache.get(key)
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if (!cached) return null
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if (cached.expiresAt <= Date.now()) {
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txSongDetailCache.delete(key)
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return null
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}
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return cached.value
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}
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const setCachedTxSongDetail = (key: string, value: TxSongPlayableInfo) => {
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if (txSongDetailCache.size >= 1000) {
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const firstKey = txSongDetailCache.keys().next().value
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if (firstKey !== undefined) {
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txSongDetailCache.delete(firstKey)
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}
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}
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txSongDetailCache.set(key, {
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expiresAt: Date.now() + TX_DETAIL_CACHE_TTL,
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value
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})
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}
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export const getTxSongPlayableInfo = async (
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musicId: string | number
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): Promise<TxSongPlayableInfo> => {
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const normalized = normalizeTxMusicId(musicId)
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const cacheKey = `${normalized.idType}:${normalized.normalizedMusicId}`
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const cached = getCachedTxSongDetail(cacheKey)
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if (cached) return cached
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// 旧 QQ 数字 ID 只在播放时转 MID，避免批量改历史数据。
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let result: any
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try {
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result = await txRequest(TX_MUSICU_URL, createTxSongDetailBody(normalized))
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} catch (error) {
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if (normalized.idType === 'mid') {
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const value = {
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...normalized,
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songmid: normalized.normalizedMusicId
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}
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setCachedTxSongDetail(cacheKey, value)
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return value
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}
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throw error
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}
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if (!result || result.code !== 0 || result.req?.code !== 0) {
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if (normalized.idType === 'mid') {
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const value = {
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...normalized,
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songmid: normalized.normalizedMusicId
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}
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setCachedTxSongDetail(cacheKey, value)
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return value
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}
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throw createError({ statusCode: 502, message: 'QQ 音乐详情接口异常' })
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}
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const trackInfo = result.req?.data?.track_info
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const songmid = trackInfo?.mid || normalized.normalizedMusicId
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if (!songmid) {
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throw createError({ statusCode: 502, message: 'QQ 音乐详情缺少 MID' })
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}
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const value = {
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...normalized,
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songmid,
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songId: String(trackInfo?.id || normalized.normalizedMusicId),
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strMediaMid: trackInfo?.file?.media_mid
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}
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setCachedTxSongDetail(cacheKey, value)
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setCachedTxSongDetail(`mid:${songmid}`, {
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...value,
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normalizedMusicId: songmid,
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idType: 'mid'
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})
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return value
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}
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export const txRequest = async (
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url: string,
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body: any,
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options: { signal?: AbortSignal } = {}
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) => {
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try {
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const response = await $fetch(url, {
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method: 'POST',
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headers: txHeaders,
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body,
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responseType: 'json',
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signal: options.signal
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})
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return response
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} catch (error) {
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console.error('TX Request Error:', error)
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throw error
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}
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}
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