完善小雅

src/app/api/xiaoya/play/route.ts

@@ -8,9 +8,58 @@ import { XiaoyaClient } from '@/lib/xiaoya.client';
 
 export const runtime = 'nodejs';
 
+/**
+ * 使用 HEAD 请求跟随重定向获取最终 URL（直连方法 - 降级使用）
+ */
+async function getFinalUrl(url: string, maxRedirects = 5): Promise<string> {
+  let currentUrl = url;
+  let redirectCount = 0;
+
+  while (redirectCount < maxRedirects) {
+    try {
+      const response = await fetch(currentUrl, {
+        method: 'HEAD',
+        redirect: 'manual',
+        headers: {
+          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
+        },
+      });
+
+      if (response.status >= 300 && response.status < 400) {
+        const location = response.headers.get('location');
+        if (!location) {
+          return currentUrl;
+        }
+
+        if (location.startsWith('http://') || location.startsWith('https://')) {
+          currentUrl = location;
+        } else if (location.startsWith('/')) {
+          const urlObj = new URL(currentUrl);
+          currentUrl = `${urlObj.protocol}//${urlObj.host}${location}`;
+        } else {
+          const urlObj = new URL(currentUrl);
+          const pathParts = urlObj.pathname.split('/');
+          pathParts.pop();
+          pathParts.push(location);
+          currentUrl = `${urlObj.protocol}//${urlObj.host}${pathParts.join('/')}`;
+        }
+
+        redirectCount++;
+      } else {
+        return currentUrl;
+      }
+    } catch (error) {
+      console.error('[xiaoya/play] 获取最终 URL 失败:', error);
+      return currentUrl;
+    }
+  }
+
+  return currentUrl;
+}
+
 /**
  * GET /api/xiaoya/play?path=<path>
- * 获取小雅视频的播放链接
+ * 获取小雅视频的播放链接（优先使用视频预览流，失败时降级到直连）
  */
 export async function GET(request: NextRequest) {
   try {
@@ -44,10 +93,70 @@ export async function GET(request: NextRequest) {
       xiaoyaConfig.Token
     );
 
-    const playUrl = await client.getDownloadUrl(path);
+    // 优先尝试视频预览流方法
+    try {
+      const token = await client.getToken();
 
-    // 返回 302 重定向到播放链接
-    return NextResponse.redirect(playUrl);
+      const response = await fetch(`${xiaoyaConfig.ServerURL}/api/fs/other`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          'Authorization': token,
+        },
+        body: JSON.stringify({
+          path: path,
+          method: 'video_preview',
+          password: '',
+        }),
+      });
+
+      if (!response.ok) {
+        throw new Error(`视频预览请求失败: ${response.status}`);
+      }
+
+      const data = await response.json();
+
+      if (data.code !== 200) {
+        throw new Error(`视频预览失败: ${data.message}`);
+      }
+
+      const taskList = data.data?.video_preview_play_info?.live_transcoding_task_list;
+      if (!taskList || taskList.length === 0) {
+        throw new Error('未找到可用的播放链接');
+      }
+
+      const qualityOrder: Record<string, number> = {
+        'FHD': 1,
+        'HD': 2,
+        'SD': 3,
+        'LD': 4,
+      };
+
+      const qualities = taskList
+        .filter((task: any) => task.status === 'finished')
+        .map((task: any) => ({
+          name: task.template_id,
+          url: task.url,
+        }))
+        .sort((a, b) => (qualityOrder[a.name] || 999) - (qualityOrder[b.name] || 999));
+
+      if (qualities.length === 0) {
+        throw new Error('未找到已完成的播放链接');
+      }
+
+      return NextResponse.json({
+        url: qualities[0].url,
+        qualities
+      });
+    } catch (error) {
+      // 视频预览流失败，降级到直连方法
+      console.log('[xiaoya/play] 视频预览流失败，降级到直连方法:', (error as Error).message);
+
+      const playUrl = await client.getDownloadUrl(path);
+      const finalUrl = await getFinalUrl(playUrl);
+
+      return NextResponse.json({ url: finalUrl });
+    }
   } catch (error) {
     return NextResponse.json(
       { error: (error as Error).message },