feat: align with upstream 1.5.9.9

server/utils/songDurationFetcher.ts

@@ -0,0 +1,81 @@
+import {
+  createTxSongDetailBody,
+  normalizeTxMusicId,
+  txHeaders
+} from '~~/server/utils/native_tx'
+
+/**
+ * 按平台获取歌曲时长（秒）
+ * 返回 null 表示获取失败
+ */
+export async function fetchSongDuration(platform: string, musicId: string): Promise<number | null> {
+  if (!platform || !musicId) return null
+
+  try {
+    if (platform === 'netease' || platform === 'netease-podcast') {
+      const response: any = await $fetch('/api/api-enhanced/netease/song/url/v1', {
+        params: { id: musicId, level: 'standard' },
+        timeout: 10000
+      })
+      const timeMs = response?.data?.[0]?.time
+      if (typeof timeMs === 'number' && timeMs > 0) {
+        const seconds = Math.floor(timeMs / 1000)
+        // 网易云固定返回 30 秒时通常是试听片段，不作为歌曲完整时长。
+        if (seconds >= 30 && seconds <= 3600 && seconds !== 30) return seconds
+      }
+      return null
+    }
+
+    if (platform === 'tencent') {
+      const normalized = normalizeTxMusicId(musicId)
+      const result: any = await $fetch('https://u.y.qq.com/cgi-bin/musicu.fcg', {
+        method: 'POST',
+        headers: txHeaders,
+        body: createTxSongDetailBody(normalized),
+        responseType: 'json',
+        timeout: 10000
+      })
+      const interval = result?.req?.data?.track_info?.interval
+      if (typeof interval === 'number' && interval > 0) {
+        const seconds = Math.floor(interval)
+        if (seconds >= 30 && seconds <= 3600) return seconds
+      }
+      return null
+    }
+
+    if (platform === 'migu') {
+      const info: any = await $fetch(
+        `https://app.c.nf.migu.cn/resource/song/by-contentids/v2.0?contentId=${encodeURIComponent(musicId)}`,
+        { timeout: 10000 }
+      )
+      const duration = info?.data?.[0]?.duration
+      if (typeof duration === 'number' && duration > 0) {
+        const seconds = Math.floor(duration)
+        if (seconds >= 30 && seconds <= 3600) return seconds
+      }
+      return null
+    }
+
+    if (platform === 'bilibili') {
+      const parts = String(musicId).split(':')
+      const bvid = parts[0]
+      const page = parts.length > 2 ? Number(parts[2]) : 1
+      if (parts.length > 2 && (!Number.isInteger(page) || page < 1)) return null
+      const viewResp: any = await $fetch('https://api.bilibili.com/x/web-interface/view', {
+        params: { bvid },
+        headers: { Cookie: 'buvid3=0', Referer: 'https://www.bilibili.com/' },
+        timeout: 10000
+      })
+      const pageIdx = page > 1 ? Math.max(0, page - 1) : 0
+      const duration = viewResp?.data?.pages?.[pageIdx]?.duration
+      if (typeof duration === 'number' && duration > 0) {
+        const seconds = Math.floor(duration)
+        if (seconds >= 30 && seconds <= 3600) return seconds
+      }
+      return null
+    }
+  } catch {
+    // 外部接口失败时静默降级
+  }
+  return null
+}