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37 changes: 37 additions & 0 deletions
37
...ay/gateway-web/src/main/java/com/springboot/cloud/gateway/filter/SwaggerHeaderFilter.java
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package com.springboot.cloud.gateway.filter; | ||
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import com.springboot.cloud.gateway.config.SwaggerProvider; | ||
import lombok.extern.slf4j.Slf4j; | ||
import org.apache.commons.lang3.StringUtils; | ||
import org.springframework.cloud.gateway.filter.GatewayFilterChain; | ||
import org.springframework.cloud.gateway.filter.GlobalFilter; | ||
import org.springframework.core.Ordered; | ||
import org.springframework.http.server.reactive.ServerHttpRequest; | ||
import org.springframework.web.server.ServerWebExchange; | ||
import reactor.core.publisher.Mono; | ||
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//@Component | ||
@Slf4j | ||
public class SwaggerHeaderFilter implements GlobalFilter, Ordered { | ||
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private static final String HEADER_NAME = "X-Forwarded-Prefix"; | ||
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@Override | ||
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) { | ||
ServerHttpRequest request = exchange.getRequest(); | ||
String path = request.getURI().getPath(); | ||
if (!StringUtils.endsWithIgnoreCase(path, SwaggerProvider.API_URI)) { | ||
return chain.filter(exchange); | ||
} | ||
String basePath = path.substring(0, path.lastIndexOf(SwaggerProvider.API_URI)); | ||
log.info("basePath: {}", basePath); | ||
ServerHttpRequest newRequest = request.mutate().header(HEADER_NAME, basePath).build(); | ||
ServerWebExchange newExchange = exchange.mutate().request(newRequest).build(); | ||
return chain.filter(newExchange); | ||
} | ||
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@Override | ||
public int getOrder() { | ||
return -200; | ||
} | ||
} |
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