4.8.12 test fix (#2988)

* perf: qps limit

* perf: http response data

* perf: json path check

* fix: ts

* loop support reference parent variable

packages/service/common/middle/reqFrequencyLimit.ts

@@ -0,0 +1,32 @@
+import { ApiRequestProps } from '../../type/next';
+import requestIp from 'request-ip';
+import { ERROR_ENUM } from '@fastgpt/global/common/error/errorCode';
+import { authFrequencyLimit } from '../system/frequencyLimit/utils';
+import { addSeconds } from 'date-fns';
+import { NextApiResponse } from 'next';
+import { jsonRes } from '../response';
+
+// unit: times/s
+// how to use?
+// export default NextAPI(useQPSLimit(10), handler); // limit 10 times per second for a ip
+export function useReqFrequencyLimit(seconds: number, limit: number) {
+  return async (req: ApiRequestProps, res: NextApiResponse) => {
+    const ip = requestIp.getClientIp(req);
+    if (!ip && process.env.USE_IP_LIMIT !== 'true') {
+      return;
+    }
+    try {
+      await authFrequencyLimit({
+        eventId: 'ip-qps-limit' + ip,
+        maxAmount: limit,
+        expiredTime: addSeconds(new Date(), seconds)
+      });
+    } catch (_) {
+      res.status(429);
+      jsonRes(res, {
+        code: 429,
+        message: ERROR_ENUM.tooManyRequest
+      });
+    }
+  };
+}