From bc1c1dbfa7640856d57d6538056d7e98f43d1dbc Mon Sep 17 00:00:00 2001
From: ylwang <ylwang@makwing.com>
Date: Mon, 21 Nov 2022 16:58:44 +0800
Subject: [PATCH] 此处修改曾导致 nacos修改xss开关时，spring容器未重启，filter仍起效。故增加参数判断，参数刷新后，xss开关正常关闭。 此处修改曾导致 nacos修改xss开关时，spring容器未重启，filter仍起效。故增加参数判断，参数刷新后，xss开关正常关闭。
---
ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java | 37 ++++++++++++-------------------------
1 files changed, 12 insertions(+), 25 deletions(-)
diff --git a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java
index 2045d3e..94c6cb5 100644
--- a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java
+++ b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/filter/CacheRequestFilter.java
@@ -6,16 +6,17 @@
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.OrderedGatewayFilter;
import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
-import org.springframework.core.io.buffer.DataBuffer;
-import org.springframework.core.io.buffer.DataBufferFactory;
-import org.springframework.core.io.buffer.DataBufferUtils;
+import org.springframework.cloud.gateway.support.ServerWebExchangeUtils;
import org.springframework.http.HttpMethod;
-import org.springframework.http.server.reactive.ServerHttpRequestDecorator;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
-import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
+/**
+ * 获取body请求数据（解决流不能重复读取问题）
+ *
+ * @author ruoyi
+ */
@Component
public class CacheRequestFilter extends AbstractGatewayFilterFactory<CacheRequestFilter.Config>
{
@@ -49,30 +50,16 @@
{
// GET DELETE 不过滤
HttpMethod method = exchange.getRequest().getMethod();
- if (method == null || method.matches("GET") || method.matches("DELETE"))
+ if (method == null || method == HttpMethod.GET || method == HttpMethod.DELETE)
{
return chain.filter(exchange);
}
- return DataBufferUtils.join(exchange.getRequest().getBody()).map(dataBuffer -> {
- byte[] bytes = new byte[dataBuffer.readableByteCount()];
- dataBuffer.read(bytes);
- DataBufferUtils.release(dataBuffer);
- return bytes;
- }).defaultIfEmpty(new byte[0]).flatMap(bytes -> {
- DataBufferFactory dataBufferFactory = exchange.getResponse().bufferFactory();
- ServerHttpRequestDecorator decorator = new ServerHttpRequestDecorator(exchange.getRequest())
+ return ServerWebExchangeUtils.cacheRequestBodyAndRequest(exchange, (serverHttpRequest) -> {
+ if (serverHttpRequest == exchange.getRequest())
{
- @Override
- public Flux<DataBuffer> getBody()
- {
- if (bytes.length > 0)
- {
- return Flux.just(dataBufferFactory.wrap(bytes));
- }
- return Flux.empty();
- }
- };
- return chain.filter(exchange.mutate().request(decorator).build());
+ return chain.filter(exchange);
+ }
+ return chain.filter(exchange.mutate().request(serverHttpRequest).build());
});
}
}
--
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