feat: QPS Limit middleware (#2956)

* feat: QPS Limit middleware

* chore: use request-ip to get client ip

* feat: frequencyLimit schema

packages/service/common/system/frequencyLimit/utils.ts

@@ -0,0 +1,32 @@
+import { AuthFrequencyLimitProps } from '@fastgpt/global/common/frequenctLimit/type';
+import { MongoFrequencyLimit } from './schema';
+import { readFromSecondary } from '../../mongo/utils';
+
+export const authFrequencyLimit = async ({
+  eventId,
+  maxAmount,
+  expiredTime
+}: AuthFrequencyLimitProps) => {
+  try {
+    // 对应 eventId 的 account+1, 不存在的话，则创建一个
+    const result = await MongoFrequencyLimit.findOneAndUpdate(
+      {
+        eventId
+      },
+      {
+        $inc: { amount: 1 },
+        $setOnInsert: { expiredTime }
+      },
+      {
+        upsert: true,
+        new: true,
+        ...readFromSecondary
+      }
+    );
+
+    // 因为始终会返回+1的结果，所以这里不能直接等，需要多一个。
+    if (result.amount > maxAmount) {
+      return Promise.reject(result);
+    }
+  } catch (error) {}
+};