百度网盘在线播放

src/app/api/netdisk/baidu/proxy/route.ts

@@ -0,0 +1,70 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+import { getAuthInfoFromCookie } from '@/lib/auth';
+import { getBaiduDirectPlayUrl } from '@/lib/netdisk/baidu.client';
+import { resolveBaiduSession } from '@/lib/netdisk/baidu-session-resolver';
+
+export const runtime = 'nodejs';
+
+export async function GET(request: NextRequest) {
+  try {
+    const authInfo = getAuthInfoFromCookie(request);
+    if (!authInfo?.username) {
+      return NextResponse.json({ error: '未授权' }, { status: 401 });
+    }
+
+    const { searchParams } = new URL(request.url);
+    const id = searchParams.get('id');
+    const episodeIndexRaw = searchParams.get('episodeIndex');
+    if (!id || episodeIndexRaw == null) {
+      return NextResponse.json({ error: '缺少参数' }, { status: 400 });
+    }
+
+    const episodeIndex = Number.parseInt(episodeIndexRaw, 10);
+    if (!Number.isInteger(episodeIndex) || episodeIndex < 0) {
+      return NextResponse.json({ error: '无效的 episodeIndex' }, { status: 400 });
+    }
+
+    const { session, cookie } = await resolveBaiduSession(id);
+    const file = session.files[episodeIndex];
+    if (!file) {
+      return NextResponse.json({ error: '播放文件不存在' }, { status: 404 });
+    }
+
+    const { url, headers } = await getBaiduDirectPlayUrl(session.meta, file.fid, cookie);
+    const range = request.headers.get('range');
+    const upstream = await fetch(url, {
+      headers: {
+        ...headers,
+        Cookie: cookie,
+        ...(range ? { Range: range } : {}),
+      },
+      cache: 'no-store',
+    });
+
+    if (!upstream.ok || !upstream.body) {
+      return NextResponse.json(
+        { error: `百度网盘视频代理失败 (${upstream.status})` },
+        { status: upstream.status || 500 }
+      );
+    }
+
+    const responseHeaders = new Headers();
+    const copyHeaders = ['content-type', 'content-length', 'content-range', 'accept-ranges', 'etag', 'last-modified'];
+    copyHeaders.forEach((name) => {
+      const value = upstream.headers.get(name);
+      if (value) responseHeaders.set(name, value);
+    });
+    responseHeaders.set('Cache-Control', 'private, no-store');
+
+    return new Response(upstream.body, {
+      status: range && upstream.headers.get('content-range') ? 206 : 200,
+      headers: responseHeaders,
+    });
+  } catch (error) {
+    return NextResponse.json(
+      { error: error instanceof Error ? error.message : '百度网盘代理失败' },
+      { status: 500 }
+    );
+  }
+}