增加磁链测活功能

src/app/api/acg/health/route.ts

@@ -0,0 +1,78 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { NextRequest, NextResponse } from 'next/server';
+
+import { getAuthInfoFromCookie } from '@/lib/auth';
+import { getConfig } from '@/lib/config';
+import {
+  getMagnetHealthConcurrency,
+  MagnetHealthBusyError,
+  probeMagnetHealth,
+} from '@/lib/magnet-health';
+import { hasFeaturePermission } from '@/lib/permissions';
+
+export const runtime = 'nodejs';
+
+/**
+ * POST /api/acg/health
+ * 单条磁力/种子 Tracker scrape 测活（动漫磁链搜索 / 网盘搜索磁力类型共用）
+ * body: { url: string, skipCache?: boolean }
+ * 全站同时测活上限：环境变量 MAGNET_HEALTH_MAX_CONCURRENT（默认 10）
+ */
+export async function POST(req: NextRequest) {
+  try {
+    const authInfo = getAuthInfoFromCookie(req);
+    if (!authInfo?.username) {
+      return NextResponse.json({ error: '无权限访问' }, { status: 403 });
+    }
+
+    const canUse =
+      (await hasFeaturePermission(authInfo.username, 'magnet_search')) ||
+      (await hasFeaturePermission(authInfo.username, 'netdisk_search'));
+    if (!canUse) {
+      return NextResponse.json({ error: '无权限访问' }, { status: 403 });
+    }
+
+    const body = await req.json().catch(() => ({}));
+    const url = typeof body?.url === 'string' ? body.url.trim() : '';
+    const skipCache = Boolean(body?.skipCache);
+
+    if (!url) {
+      return NextResponse.json({ error: '链接不能为空' }, { status: 400 });
+    }
+
+    // 粗限长度，避免乱丢超大 body
+    if (url.length > 8192) {
+      return NextResponse.json({ error: '链接过长' }, { status: 400 });
+    }
+
+    const config = await getConfig();
+    const result = await probeMagnetHealth({
+      url,
+      proxy: config.SiteConfig.MagnetProxy || undefined,
+      skipCache,
+    });
+
+    return NextResponse.json({
+      success: true,
+      ...result,
+      concurrency: getMagnetHealthConcurrency(),
+    });
+  } catch (error: any) {
+    if (error instanceof MagnetHealthBusyError || error?.code === 'MAGNET_HEALTH_BUSY') {
+      return NextResponse.json(
+        {
+          error: error.message || '测活繁忙，请稍后再试',
+          code: 'MAGNET_HEALTH_BUSY',
+          concurrency: getMagnetHealthConcurrency(),
+        },
+        { status: 429 }
+      );
+    }
+
+    console.error('磁力测活失败:', error);
+    return NextResponse.json(
+      { error: error?.message || '测活失败' },
+      { status: 500 }
+    );
+  }
+}