From 2eaabefeac5122c180c2c3a88ecec80469417372 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Fri, 10 Nov 2023 16:18:24 +0800
Subject: [PATCH] 修改权限字符匹配方式

---
 ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/XssFilter.java |   23 ++++++++++++++++-------
 1 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/XssFilter.java b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/XssFilter.java
index 021cf43..a82ee84 100644
--- a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/XssFilter.java
+++ b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/XssFilter.java
@@ -7,7 +7,9 @@
 import org.springframework.cloud.gateway.filter.GlobalFilter;
 import org.springframework.core.Ordered;
 import org.springframework.core.io.buffer.DataBuffer;
+import org.springframework.core.io.buffer.DataBufferFactory;
 import org.springframework.core.io.buffer.DataBufferUtils;
+import org.springframework.core.io.buffer.DefaultDataBufferFactory;
 import org.springframework.core.io.buffer.NettyDataBufferFactory;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
@@ -40,9 +42,14 @@
     public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain)
     {
         ServerHttpRequest request = exchange.getRequest();
+        // xss开关未开启 或 通过nacos关闭,不过滤
+        if (!xss.getEnabled())
+        {
+            return chain.filter(exchange);
+        }
         // GET DELETE 不过滤
         HttpMethod method = request.getMethod();
-        if (method == null || method.matches("GET") || method.matches("DELETE"))
+        if (method == null || method == HttpMethod.GET || method == HttpMethod.DELETE)
         {
             return chain.filter(exchange);
         }
@@ -70,15 +77,17 @@
             public Flux<DataBuffer> getBody()
             {
                 Flux<DataBuffer> body = super.getBody();
-                return body.map(dataBuffer -> {
-                    byte[] content = new byte[dataBuffer.readableByteCount()];
-                    dataBuffer.read(content);
-                    DataBufferUtils.release(dataBuffer);
+                return body.buffer().map(dataBuffers -> {
+                    DataBufferFactory dataBufferFactory = new DefaultDataBufferFactory();
+                    DataBuffer join = dataBufferFactory.join(dataBuffers);
+                    byte[] content = new byte[join.readableByteCount()];
+                    join.read(content);
+                    DataBufferUtils.release(join);
                     String bodyStr = new String(content, StandardCharsets.UTF_8);
                     // 防xss攻击过滤
                     bodyStr = EscapeUtil.clean(bodyStr);
                     // 转成字节
-                    byte[] bytes = bodyStr.getBytes();
+                    byte[] bytes = bodyStr.getBytes(StandardCharsets.UTF_8);
                     NettyDataBufferFactory nettyDataBufferFactory = new NettyDataBufferFactory(ByteBufAllocator.DEFAULT);
                     DataBuffer buffer = nettyDataBufferFactory.allocateBuffer(bytes.length);
                     buffer.write(bytes);
@@ -104,7 +113,7 @@
     /**
      * 是否是Json请求
      * 
-     * @param request
+     * @param exchange HTTP请求
      */
     public boolean isJsonRequest(ServerWebExchange exchange)
     {

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