40 lines
1.9 KiB
TypeScript
40 lines
1.9 KiB
TypeScript
// 猫耳FM URL 获取（App API 通道）
|
||
// 链路：HMAC-SHA256(appsecret) 签名 → app.missevan.com/sound/sound → 免签名明文直链
|
||
// soundurl/soundurl_64 = 原文件（码率视源，常见 192k AAC）
|
||
// soundurl_128 = 128k m4a；soundurl_32 = 192k 变体（字段命名与实际码率错位，以实测为准）
|
||
// 实测（2026-10-02）匿名可取免费声音，直链首字节 ftyp M4A 明文可播；
|
||
// 付费声音需 /login/me 绑定含 token 的 cookie 后由服务端携带
|
||
// 统一接口约定：apis('me').getMusicUrl(songInfo, type) → { promise, cancelHttp }
|
||
// promise resolve → { type, url }（type 为实际命中档位，可能低于请求值）
|
||
|
||
import { getSoundInfo } from '../me/musicInfo.ts'
|
||
|
||
// 音质 → 字段优先级（原文件可能高于 128k，128k 档固定 m4a）
|
||
const QUALITY_FIELDS: Record<string, string[]> = {
|
||
'128k': ['soundurl_128', 'soundurl', 'soundurl_64', 'soundurl_32'],
|
||
'64k': ['soundurl_64', 'soundurl', 'soundurl_128', 'soundurl_32'],
|
||
}
|
||
export const supportQualitys = ['64k', '128k']
|
||
|
||
export const getMusicUrl = (songInfo, type) => {
|
||
const requestObj = { cancelHttp() {}, promise: null as any }
|
||
const soundId = String(songInfo.songmid ?? '')
|
||
|
||
requestObj.promise = (async() => {
|
||
const info = await getSoundInfo(soundId)
|
||
const fields = QUALITY_FIELDS[type] ?? QUALITY_FIELDS['128k']
|
||
let url = ''
|
||
for (const field of fields) {
|
||
const v = info?.[field]
|
||
if (v && String(v).startsWith('http')) { url = String(v); break }
|
||
}
|
||
if (!url) throw new Error('无可用音频资源（付费内容需 POST /login/me 绑定 token）')
|
||
// -128k 变体归 128k 桶，原文件按 64k 桶展示（原始码率不固定，多为 192k）
|
||
const hit128 = url.includes('-128k') || type === '128k'
|
||
return { type: hit128 ? '128k' : '64k', url }
|
||
})()
|
||
return requestObj
|
||
}
|
||
|
||
export default { getMusicUrl }
|