feat: add song download url api end point for 302

* This will redirect access from http://localhost:3000/song/url/v1?id=2756058128&level=exhigh to actual resource url

module/song_download_url_v1_302.js

@@ -0,0 +1,53 @@
+// 获取客户端歌曲下载链接 - v1
+// 此版本不再采用 br 作为音质区分的标准
+// 而是采用 standard, exhigh, lossless, hires, jyeffect(高清环绕声), sky(沉浸环绕声), jymaster(超清母带) 进行音质判断
+
+const createOption = require('../util/option.js')
+module.exports = async (query, request) => {
+  const data = {
+    id: query.id,
+    immerseType: 'c51',
+    level: query.level,
+  }
+  const response = await request(
+    `/api/song/enhance/download/url/v1`,
+    data,
+    createOption(query),
+  )
+  let url = response?.body?.data?.[0]?.url
+
+  if (!url) {
+    const fallbackData = {
+      ids: `[${query.id}]`,
+      level: query.level,
+      encodeType: 'flac',
+    }
+    if (query.level === 'sky') {
+      fallbackData.immerseType = 'c51'
+    }
+    const fallback = await request(
+      `/api/song/enhance/player/url/v1`,
+      fallbackData,
+      createOption(query),
+    )
+    url = fallback?.body?.data?.[0]?.url
+
+    if (!url) {
+      return fallback
+    }
+
+    return {
+      status: 302,
+      body: '',
+      cookie: fallback.cookie || [],
+      redirectUrl: url,
+    }
+  }
+
+  return {
+    status: 302,
+    body: '',
+    cookie: response.cookie || [],
+    redirectUrl: url,
+  }
+}