snowy-yang
6b05fde64b
安卓自签 crypto/ 整目录（11 文件）与 device.ts 设备注册删除，audiodecrypt 上移 qs/ 根，getDeviceIds 并入 passport（_qs_passport_device 持久化）； musicSearch 去指纹搜索（需 PC 签名，匿名搜索下线）；mssdk 签名供给改三级： QS_SIGN_SERVER 显式 → 本机 16689 /healthz 自动探测（qs-signer 的 mssdk-sign） → data/qs-sign.json 固定值兜底。
190 lines
8.1 KiB
TypeScript
190 lines
8.1 KiB
TypeScript
// 汽水音乐 URL 获取（直连）
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// 两条取流通道：
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// 匿名（未登录）: seo_track → url_player_info（VOD GetPlayInfo 免登录）→ 未加密试听直链（30s 132k）
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// 登录态: 官方 PC 签名 X-Helios/X-Medusa（见 sdk/qs/mssdk.ts）→ /luna/pc/track_v2
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// → 加密音频（cenc-aes-ctr）→ spade key 解密 → /stream/qs/:id 代理端点回明文流
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// （相对地址，路由层负责补全 origin）
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// 实测（2026-10-01）: track_v2 匿名=加密试听；完整曲目需登录 sessionid（汽水音乐 APP 扫码 /login/qs/qr）。
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// 登录请求失败自动降级匿名试听。
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// 统一接口约定：apis('qs').getMusicUrl(songInfo, type) → { promise, cancelHttp }
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// promise resolve → { type, url }
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import { httpFetch } from '../common/request.ts'
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import { createHash, randomBytes } from 'node:crypto'
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import musicInfo from '../qs/musicInfo.ts'
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import { getCookie, getSessionId } from '../qs/passport.ts'
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import { mssdkAvailable, signQishuiRequest, pcCommonParams, PC_UA } from '../qs/mssdk.ts'
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import { decryptAudioBuffer, resolveAudioKey } from '../qs/audiodecrypt.ts'
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import type { HttpResponse } from '../types.ts'
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// 官方直连接口支持的音质：授权曲匿名只有 30 秒试听 128k（登录态取码率最高条目，324k/hi_res 视权益）；
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// 用户上传曲匿名即可整曲（实测 2026-10-02：DJ 版整曲 204.84s / 三档 68k・132k・260k）
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export const supportQualitys = ['128k', '320k']
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const TRACK_V2_URL = 'https://api.qishui.com/luna/pc/track_v2'
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const STREAM_PREFIX = '/stream/qs/'
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const STREAM_CACHE_TTL = 10 * 60_000
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const STREAM_CACHE_MAX = 3
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interface StreamEntry {
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buffer: Buffer
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contentType: string
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bitrate: number
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size: number
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resolvedAt: number
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}
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// 已解密音频缓存（/url 解析一次，/stream 直接消费；LRU + TTL）
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const streamCache = new Map<string, StreamEntry>()
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const inflight = new Map<string, Promise<StreamEntry>>()
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const cachePut = (trackId: string, entry: StreamEntry) => {
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streamCache.delete(trackId) // 重新插入以刷新 LRU 顺序
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streamCache.set(trackId, entry)
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while (streamCache.size > STREAM_CACHE_MAX) {
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streamCache.delete(streamCache.keys().next().value!)
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}
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}
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/** 已缓存的明文音频（/stream/qs/:id 用；缓存未命中返回 null，由路由触发重解析） */
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export const getCachedStream = (trackId: string): StreamEntry | null => {
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const entry = streamCache.get(trackId)
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if (!entry) return null
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if (Date.now() - entry.resolvedAt > STREAM_CACHE_TTL) {
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streamCache.delete(trackId)
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return null
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}
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return entry
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}
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// 匿名通道：码率最高的未加密条目（带 PlayAuth = 加密，直接回 URL 不可播，跳过）
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const pickPlainAudioUrl = (playInfoList: any): string | null => {
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const entries = (playInfoList || []).filter(item => item?.MainPlayUrl && !item.PlayAuth)
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if (!entries.length) return null
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entries.sort((a, b) => (b.Bitrate || 0) - (a.Bitrate || 0))
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return entries[0].MainPlayUrl
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}
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const anonymousPreviewUrl = async (trackId: string): Promise<string> => {
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const body = await musicInfo(trackId).promise
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const playerInfoUrl = body?.track_player?.url_player_info
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if (!playerInfoUrl) throw new Error('获取失败')
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const { statusCode, body: playInfo } = await httpFetch(playerInfoUrl, { method: 'get', timeout: 15000 }).promise
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const url = statusCode == 200 ? pickPlainAudioUrl(playInfo?.Result?.Data?.PlayInfoList) : null
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if (!url) throw new Error('获取失败')
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return url
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}
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// 登录态通道：官方 PC 客户端签名 X-Helios/X-Medusa（签名服务器或固定值，见 sdk/qs/mssdk.ts）
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const pickBestEntry = (playInfoList: any) => {
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const entries = (playInfoList || []).filter(item => item?.MainPlayUrl)
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if (!entries.length) return null
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entries.sort((a, b) => (b.Bitrate || 0) - (a.Bitrate || 0))
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return entries[0]
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}
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const fetchTrackPlayer = async (url: string, headers: Record<string, string>, requestBody: string) => {
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const { statusCode, body } = (await httpFetch(url, {
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method: 'post',
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headers,
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body: requestBody,
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timeout: 15000,
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}).promise) as HttpResponse
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const trackPlayer = (body as any)?.track_player
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if (statusCode != 200 || !trackPlayer?.url_player_info) {
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const errMsg = (body as any)?.status_info?.status_msg || (body as any)?.message || ''
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throw new Error(`track_v2 获取失败: HTTP ${statusCode} ${errMsg}`.trim())
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}
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return trackPlayer as { url_player_info: string }
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}
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const TRACK_V2_BODY = (trackId: string) =>
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JSON.stringify({ track_id: trackId, media_type: 'track', queue_type: 'search_one_track', scene_name: 'search' })
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const fetchTrackPlayerByPc = async (trackId: string) => {
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const sessionId = getSessionId()
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if (!mssdkAvailable()) throw new Error('PC 签名不可用（16689 未探测到签名服务，可配置 QS_SIGN_SERVER 或 data/qs-sign.json，见 qs-signer 仓库）')
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const url = `${TRACK_V2_URL}?${new URLSearchParams(pcCommonParams()).toString()}`
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const requestBody = TRACK_V2_BODY(trackId)
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const headers: Record<string, string> = {
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'content-type': 'application/json; charset=utf-8',
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'user-agent': PC_UA,
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'x-luna-background-type': 'foreground',
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'x-luna-is-background-req': '0',
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'x-luna-is-local-user': '0',
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'x-tt-trace-id': `00-${randomBytes(8).toString('hex')}-${randomBytes(8).toString('hex')}-01`,
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'x-ss-stub': createHash('md5').update(requestBody).digest('hex').toUpperCase(),
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...(sessionId ? { cookie: getCookie() || `sessionid=${sessionId}` } : {}),
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}
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const signed = await signQishuiRequest(url, headers, requestBody)
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if (!signed) throw new Error('官方签名失败')
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return fetchTrackPlayer(url, { ...headers, ...signed }, requestBody)
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}
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const resolveSignedStream = async (trackId: string): Promise<StreamEntry> => {
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const trackPlayer = await fetchTrackPlayerByPc(trackId)
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const playInfoRes = await httpFetch(trackPlayer.url_player_info, { method: 'get', timeout: 15000 }).promise
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const entry = pickBestEntry((playInfoRes.body as any)?.Result?.Data?.PlayInfoList)
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if (!entry) throw new Error('无可用音频资源')
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const audioRes = await httpFetch(entry.MainPlayUrl, { method: 'get', timeout: 30000 }).promise
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const encrypted = audioRes.raw
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if (!encrypted?.length) throw new Error('音频下载失败')
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let buffer: Buffer = encrypted
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let contentType = 'audio/mp4'
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if (entry.PlayAuth) {
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const hexKey = resolveAudioKey({ spade_a: entry.PlayAuth })
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const decrypted = decryptAudioBuffer(new Uint8Array(encrypted), hexKey)
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buffer = Buffer.from(decrypted.buffer)
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contentType = decrypted.content_type
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}
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const streamEntry: StreamEntry = {
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buffer,
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contentType,
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bitrate: entry.Bitrate || 0,
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size: buffer.length,
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resolvedAt: Date.now(),
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}
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cachePut(trackId, streamEntry)
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return streamEntry
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}
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/** 解析明文音频流（/stream/qs/:id 用；先查缓存，未命中重新解析） */
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export const getStreamBuffer = async (trackId: string): Promise<StreamEntry> => {
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const cached = getCachedStream(trackId)
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if (cached) return cached
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let work = inflight.get(trackId)
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if (!work) {
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work = resolveSignedStream(trackId).finally(() => inflight.delete(trackId))
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inflight.set(trackId, work)
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}
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return work
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}
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export const getMusicUrl = (songInfo, type) => {
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const requestObj = { cancelHttp() {}, promise: null as any }
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const trackId = String(songInfo.songmid ?? '')
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const sessionId = getSessionId()
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if (sessionId) {
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// 登录态：签名 track_v2 + 服务端解密，/url 阶段完成解析（快速失败），/stream 直接消费缓存
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requestObj.promise = getStreamBuffer(trackId)
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.then(entry => {
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console.log(`[qs/url] ${trackId} 解密流就绪 bitrate=${entry.bitrate} size=${entry.size}`)
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return { type, url: `${STREAM_PREFIX}${trackId}` }
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})
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.catch(err => {
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console.log(`[qs/url] ${trackId} 登录态取流失败，降级匿名试听: ${err.message}`)
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return anonymousPreviewUrl(trackId).then(url => ({ type, url }))
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})
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return requestObj
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}
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// 匿名：未加密试听直链
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requestObj.promise = anonymousPreviewUrl(trackId).then(url => ({ type, url }))
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return requestObj
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}
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export default { getMusicUrl, getStreamBuffer, getCachedStream }
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