From a03a6c98a94510025d4574fbd06b3d70b1d58ba1 Mon Sep 17 00:00:00 2001
From: puzhibing <393733352@qq.com>
Date: 星期三, 26 八月 2026 09:08:06 +0800
Subject: [PATCH] 增加管理后台登录频次校验和连续错误登录后限制登录 修改管理后台验证码生成和登录校验

---
 ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/ValidateCodeFilter.java |   86 ++++++++++++++++++++++---------------------
 1 files changed, 44 insertions(+), 42 deletions(-)

diff --git a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/ValidateCodeFilter.java b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/ValidateCodeFilter.java
index 02d7bb4..1a469d2 100644
--- a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/ValidateCodeFilter.java
+++ b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/ValidateCodeFilter.java
@@ -1,8 +1,6 @@
 package com.ruoyi.gateway.filter;
 
-import java.nio.CharBuffer;
 import java.nio.charset.StandardCharsets;
-import java.util.concurrent.atomic.AtomicReference;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.cloud.gateway.filter.GatewayFilter;
@@ -10,13 +8,16 @@
 import org.springframework.core.io.buffer.DataBuffer;
 import org.springframework.core.io.buffer.DataBufferUtils;
 import org.springframework.http.server.reactive.ServerHttpRequest;
+import org.springframework.http.server.reactive.ServerHttpRequestDecorator;
 import org.springframework.stereotype.Component;
+
 import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.JSONObject;
 import com.ruoyi.common.core.utils.ServletUtils;
 import com.ruoyi.common.core.utils.StringUtils;
 import com.ruoyi.gateway.config.properties.CaptchaProperties;
 import com.ruoyi.gateway.service.ValidateCodeService;
+
 import reactor.core.publisher.Flux;
 
 /**
@@ -26,44 +27,45 @@
  */
 @Component
 public class ValidateCodeFilter extends AbstractGatewayFilterFactory<Object> {
-	private final static String[] VALIDATE_URL = new String[]{"/auth/login", "/auth/register"};
-	private static final String CODE = "code";
-	private static final String UUID = "uuid";
-	@Autowired
-	private ValidateCodeService validateCodeService;
-	@Autowired
-	private CaptchaProperties captchaProperties;
-	
-	@Override
-	public GatewayFilter apply(Object config) {
-		return (exchange, chain) -> {
-			ServerHttpRequest request = exchange.getRequest();
-			
-			// 非登录/注册请求或验证码关闭,不处理
-			if (!StringUtils.containsAnyIgnoreCase(request.getURI().getPath(), VALIDATE_URL) || !captchaProperties.getEnabled()) {
-				return chain.filter(exchange);
-			}
-			
-			try {
-				String rspStr = resolveBodyFromRequest(request);
-				JSONObject obj = JSON.parseObject(rspStr);
-				validateCodeService.checkCaptcha(obj.getString(CODE), obj.getString(UUID));
-			} catch (Exception e) {
-				return ServletUtils.webFluxResponseWriter(exchange.getResponse(), e.getMessage());
-			}
-			return chain.filter(exchange);
-		};
-	}
-	
-	private String resolveBodyFromRequest(ServerHttpRequest serverHttpRequest) {
-		// 获取请求体
-		Flux<DataBuffer> body = serverHttpRequest.getBody();
-		AtomicReference<String> bodyRef = new AtomicReference<>();
-		body.subscribe(buffer -> {
-			CharBuffer charBuffer = StandardCharsets.UTF_8.decode(buffer.asByteBuffer());
-			DataBufferUtils.release(buffer);
-			bodyRef.set(charBuffer.toString());
-		});
-		return bodyRef.get();
-	}
+    private static final String[] VALIDATE_URL = new String[] { "/auth/login", "/auth/register" };
+    private static final String CODE = "code";
+    private static final String UUID = "uuid";
+
+    @Autowired
+    private ValidateCodeService validateCodeService;
+
+    @Autowired
+    private CaptchaProperties captchaProperties;
+
+    @Override
+    public GatewayFilter apply(Object config) {
+        return (exchange, chain) -> {
+            ServerHttpRequest request = exchange.getRequest();
+            if (!StringUtils.containsAnyIgnoreCase(request.getURI().getPath(), VALIDATE_URL)
+                    || !captchaProperties.getEnabled()) {
+                return chain.filter(exchange);
+            }
+
+            return DataBufferUtils.join(request.getBody()).flatMap(dataBuffer -> {
+                byte[] body = new byte[dataBuffer.readableByteCount()];
+                dataBuffer.read(body);
+                DataBufferUtils.release(dataBuffer);
+
+                try {
+                    JSONObject json = JSON.parseObject(new String(body, StandardCharsets.UTF_8));
+                    validateCodeService.checkCaptcha(json.getString(CODE), json.getString(UUID));
+                } catch (Exception e) {
+                    return ServletUtils.webFluxResponseWriter(exchange.getResponse(), e.getMessage());
+                }
+
+                ServerHttpRequest decoratedRequest = new ServerHttpRequestDecorator(request) {
+                    @Override
+                    public Flux<DataBuffer> getBody() {
+                        return Flux.just(exchange.getResponse().bufferFactory().wrap(body));
+                    }
+                };
+                return chain.filter(exchange.mutate().request(decoratedRequest).build());
+            });
+        };
+    }
 }

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