From dc51e6bf7f20b2786bd16dc3e951ab8a299f4a34 Mon Sep 17 00:00:00 2001
From: Junjie <fallin.jie@qq.com>
Date: 星期三, 09 八月 2023 09:32:12 +0800
Subject: [PATCH] 接口频率限制注解

---
 src/main/java/com/zy/common/config/AdminInterceptor.java |   19 +++++++++++++++++--
 1 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/zy/common/config/AdminInterceptor.java b/src/main/java/com/zy/common/config/AdminInterceptor.java
index 85d7e4a..2db00f8 100644
--- a/src/main/java/com/zy/common/config/AdminInterceptor.java
+++ b/src/main/java/com/zy/common/config/AdminInterceptor.java
@@ -4,8 +4,10 @@
 import com.core.annotations.ManagerAuth;
 import com.core.common.BaseRes;
 import com.core.common.Cools;
+import com.google.common.util.concurrent.RateLimiter;
 import com.zy.asrs.entity.ApiConfig;
 import com.zy.asrs.service.ApiConfigService;
+import com.zy.common.model.annotations.RateLimit;
 import com.zy.common.utils.Http;
 import com.zy.system.entity.Permission;
 import com.zy.system.entity.RolePermission;
@@ -14,6 +16,7 @@
 import com.zy.system.service.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpStatus;
 import org.springframework.lang.Nullable;
 import org.springframework.stereotype.Component;
 import org.springframework.web.method.HandlerMethod;
@@ -23,6 +26,7 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.lang.reflect.Method;
+import java.util.concurrent.TimeUnit;
 
 /**
  * Created by vincent on 2019-06-13
@@ -45,12 +49,25 @@
     @Autowired
     private ApiConfigService apiConfigService;
 
+    private final RateLimiter rateLimiter = RateLimiter.create(10);// 榛樿姣忕鏈�澶氬鐞� 10 涓姹�
+
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
         cors(response);
         if (handler instanceof org.springframework.web.servlet.resource.ResourceHttpRequestHandler) {
             return true;
         }
+        HandlerMethod handlerMethod = (HandlerMethod) handler;
+        Method method = handlerMethod.getMethod();
+        if (method.isAnnotationPresent(RateLimit.class)){
+            RateLimit annotation = method.getAnnotation(RateLimit.class);
+            rateLimiter.setRate(annotation.value());
+            if (!rateLimiter.tryAcquire(annotation.value(), TimeUnit.SECONDS)) {
+                response.setStatus(HttpStatus.TOO_MANY_REQUESTS.value());
+                return false;
+            }
+        }
+
         // super璐﹀彿
         String token = request.getHeader("token");
         if (token!=null) {
@@ -70,8 +87,6 @@
         }
         // 璺ㄥ煙璁剧疆
         // response.setHeader("Access-Control-Allow-Origin", "*");
-        HandlerMethod handlerMethod = (HandlerMethod) handler;
-        Method method = handlerMethod.getMethod();
         if (method.isAnnotationPresent(ManagerAuth.class)){
             ManagerAuth annotation = method.getAnnotation(ManagerAuth.class);
             if (annotation.value().equals(ManagerAuth.Auth.CHECK)){

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