snowy-yang
8c02fb5c15
- 删除旧 sdk/request.ts，全部 import 收敛到 sdk/common/request.ts（85 文件） - 注释死代码 630+ 行、裸 console.log 吞错 6 处、未使用符号 26 处清零 - bili 状态校验去重；utils DNS 预解析失败日志改 warn 带上下文 - CODE-AUDIT.md：第四节 P2 清理记录 + 第八节线索逐条复核结论（kw/kg/tx/wy parse 骨架相似实质各异，不抽公共层）
112 lines
4.5 KiB
TypeScript
112 lines
4.5 KiB
TypeScript
// 酷狗链接解析
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// 歌曲：https://www.kugou.com/song/#hash=<32位hash>（含 &album_id=... 等尾串）、裸 hash
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// 上游对应：music-lib/kugou/song.go Parse / kugou.go fetchSongInfo
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// 元数据 m.kugou.com/app/i/getSongInfo.php（songName/author_name/timeLength/album_img/bitRate）
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// 另尽力合并 musicInfo.getMusicInfo 的专辑/多档 hash，直链取流失败不影响返回（上游为必得 URL）。
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import { httpFetch } from '../common/request.ts'
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import { formatPlayTime, decodeName } from '../index.ts'
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import kgApi from '../apis/kg.ts'
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import { getMusicInfo } from './musicInfo.ts'
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import album from './album.ts'
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import playlist from './playlist.ts'
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const UA = 'Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1'
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const HASH_RE = /hash=([a-fA-F0-9]{32})/i
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const RAW_HASH_RE = /^[a-fA-F0-9]{32}$/
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/** 链接/裸 hash → 32 位小写 hash（上游 Parse 的 `(?i)hash=([a-f0-9]{32})`，另接受裸 hash） */
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export const extractHash = (link: any): string => {
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const raw = String(link ?? '').trim()
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const match = raw.match(HASH_RE)
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if (match) return match[1]!.toLowerCase()
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return RAW_HASH_RE.test(raw) ? raw.toLowerCase() : ''
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}
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/** 上游 fetchSongInfo：m.kugou.com playInfo（返回元数据 + 直链，付费曲无 url） */
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const fetchSongInfoPhp = async(hash: string) => {
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const { statusCode, body } = await httpFetch(`http://m.kugou.com/app/i/getSongInfo.php?cmd=playInfo&hash=${hash}`, {
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method: 'get',
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headers: { 'User-Agent': UA, Referer: 'http://m.kugou.com' },
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timeout: 15000,
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}).promise
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if (statusCode !== 200 || typeof body !== 'object' || body == null) return null
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if (Number(body.errcode ?? 0) !== 0 || !body.hash) return null
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return body
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}
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/** 上游 Parse：酷狗歌曲链接（或裸 hash）→ Song，尽力附带直链 */
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export const parseSong = async(link: string) => {
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const hash = extractHash(link)
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if (!hash) throw new Error('无效的酷狗歌曲链接（未找到 32 位 hash）')
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let [raw, info] = await Promise.all([
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fetchSongInfoPhp(hash).catch(() => null),
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getMusicInfo(hash).catch(() => undefined),
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])
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if (!raw && !info) throw new Error('酷狗歌曲不存在或已下架')
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const fileName = String(raw?.fileName ?? '')
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const name = decodeName(String(raw?.songName ?? '').trim() || fileName.split(' - ').slice(1).join(' - ') || info?.name || '')
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const singer = decodeName(String(raw?.author_name ?? '').trim() || info?.singer || '')
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const duration = Number(raw?.timeLength ?? 0) || 0
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const song: any = {
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songmid: String(info?.songmid ?? raw?.audio_id ?? '').trim(),
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hash: String(raw?.hash ?? hash).toLowerCase(),
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name,
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singer,
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albumName: decodeName(String(info?.albumName ?? '').trim()),
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albumId: String(info?.albumId ?? raw?.albumid ?? raw?.req_albumid ?? '').trim(),
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interval: duration > 0 ? formatPlayTime(duration) : (info?.interval ?? '--/--'),
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img: String(raw?.album_img ?? '').replace('{size}', '240') || info?.img || null,
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lrc: null,
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otherSource: null,
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types: info?.types ?? [],
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_types: info?._types ?? {},
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typeUrl: {},
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source: 'kg' as const,
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extra: {
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hash: String(raw?.hash ?? hash).toLowerCase(),
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url: String(raw?.url ?? ''),
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backup_url: raw?.backup_url ?? [],
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bitrate: Number(raw?.bitRate ?? 0) || 0,
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link: `https://www.kugou.com/song/#hash=${hash}`,
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},
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}
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// 上游 fetchSongInfo 必得 URL：playInfo 的 url/backup_url 优先（官方直链，付费曲为空）
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if (!song.url) {
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const rawUrl = String(raw?.url ?? '') || String(raw?.backup_url?.[0] ?? '')
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if (rawUrl) {
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song.url = rawUrl
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song.type = Number(raw?.bitRate ?? 0) >= 320000 ? '320k' : '128k'
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}
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}
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// 仍无直链时（风控/付费）用 apis/kg 的签名通道尽力补一次；失败仅返回元数据
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if (!song.url) {
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try {
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const hit = await kgApi.getMusicUrl({
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hash: song.hash,
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albumId: song.albumId,
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songmid: song.songmid,
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_types: song._types,
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} as any, '128k').promise
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if (hit?.url) {
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song.url = hit.url
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song.type = hit.type
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}
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} catch {
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// 忽略：与上游付费曲无直链的失败语义一致（元数据仍返回）
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}
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}
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return song
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}
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export const parseAlbum = async(link: string) => album.parseAlbumLink(link)
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export const parsePlaylist = async(link: string) => playlist.parsePlaylistLink(link)
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export default { parseSong, parseAlbum, parsePlaylist }
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