From 360ccc7adc703d3aeb3dacf54a8a1936168f7466 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Tue, 16 Nov 2021 18:50:17 +0800
Subject: [PATCH] 修复响应体过大出现的乱码问题

---
 ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/XssFilter.java |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 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..08307fc 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;
@@ -70,10 +72,12 @@
             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);

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