feat: 网关添加请求头过滤器

Author: cadecode

gateway/src/main/java/com/github/cadecode/uniboot/gateway/filter/RequestHeaderFilter.java

@@ -0,0 +1,30 @@
+package com.github.cadecode.uniboot.gateway.filter;
+
+import org.springframework.cloud.gateway.filter.GatewayFilterChain;
+import org.springframework.cloud.gateway.filter.GlobalFilter;
+import org.springframework.http.server.reactive.ServerHttpRequest;
+import org.springframework.stereotype.Component;
+import org.springframework.web.server.ServerWebExchange;
+import reactor.core.publisher.Mono;
+
+/**
+ * 请求头统一过滤
+ *
+ * @author Cade Li
+ * @since 2023/8/8
+ */
+@Component
+public class RequestHeaderFilter implements GlobalFilter {
+
+    @Override
+    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
+        // 去掉内部调用专用的请求头，防止伪造
+        ServerHttpRequest request = exchange.getRequest().mutate()
+                .headers(h -> {
+                    h.remove("from-source");
+                    h.remove("inner-user-details");
+                })
+                .build();
+        return chain.filter(exchange.mutate().request(request).build());
+    }
+}