From b37ee5f26d08e8e24d2eae2b1aa101f6c9b62b8c Mon Sep 17 00:00:00 2001 From: Cavero Barca Date: Tue, 21 Apr 2020 15:29:47 +0200 Subject: [PATCH] Add WebFilter Factories examples configured through yaml and Java DSL --- spring-cloud/spring-cloud-gateway/pom.xml | 12 ++- .../WebFilterGatewayApplication.java | 15 +++ .../config/ModifyBodyRouteConfig.java | 49 ++++++++++ .../main/resources/application-webfilters.yml | 93 +++++++++++++++++++ 4 files changed, 165 insertions(+), 4 deletions(-) create mode 100644 spring-cloud/spring-cloud-gateway/src/main/java/com/baeldung/springcloudgateway/webfilters/WebFilterGatewayApplication.java create mode 100644 spring-cloud/spring-cloud-gateway/src/main/java/com/baeldung/springcloudgateway/webfilters/config/ModifyBodyRouteConfig.java create mode 100644 spring-cloud/spring-cloud-gateway/src/main/resources/application-webfilters.yml diff --git a/spring-cloud/spring-cloud-gateway/pom.xml b/spring-cloud/spring-cloud-gateway/pom.xml index 0f62c031cf..ada32ae85f 100644 --- a/spring-cloud/spring-cloud-gateway/pom.xml +++ b/spring-cloud/spring-cloud-gateway/pom.xml @@ -49,6 +49,12 @@ spring-cloud-starter-gateway + + + org.springframework.cloud + spring-cloud-starter-circuitbreaker-reactor-resilience4j + + org.hibernate hibernate-validator-cdi @@ -84,10 +90,8 @@ - Greenwich.SR3 - - - 2.1.9.RELEASE + Hoxton.SR3 + 2.2.6.RELEASE 6.0.2.Final diff --git a/spring-cloud/spring-cloud-gateway/src/main/java/com/baeldung/springcloudgateway/webfilters/WebFilterGatewayApplication.java b/spring-cloud/spring-cloud-gateway/src/main/java/com/baeldung/springcloudgateway/webfilters/WebFilterGatewayApplication.java new file mode 100644 index 0000000000..3b45e9013f --- /dev/null +++ b/spring-cloud/spring-cloud-gateway/src/main/java/com/baeldung/springcloudgateway/webfilters/WebFilterGatewayApplication.java @@ -0,0 +1,15 @@ +package com.baeldung.springcloudgateway.webfilters; + +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.boot.builder.SpringApplicationBuilder; + +@SpringBootApplication +public class WebFilterGatewayApplication { + + public static void main(String[] args) { + new SpringApplicationBuilder(WebFilterGatewayApplication.class) + .profiles("webfilters") + .run(args); + } + +} \ No newline at end of file diff --git a/spring-cloud/spring-cloud-gateway/src/main/java/com/baeldung/springcloudgateway/webfilters/config/ModifyBodyRouteConfig.java b/spring-cloud/spring-cloud-gateway/src/main/java/com/baeldung/springcloudgateway/webfilters/config/ModifyBodyRouteConfig.java new file mode 100644 index 0000000000..ccc789f287 --- /dev/null +++ b/spring-cloud/spring-cloud-gateway/src/main/java/com/baeldung/springcloudgateway/webfilters/config/ModifyBodyRouteConfig.java @@ -0,0 +1,49 @@ +package com.baeldung.springcloudgateway.webfilters.config; + +import org.springframework.cloud.gateway.route.RouteLocator; +import org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.http.MediaType; + +import reactor.core.publisher.Mono; + +@Configuration +public class ModifyBodyRouteConfig { + + @Bean + public RouteLocator routes(RouteLocatorBuilder builder) { + return builder.routes() + .route("modify_request_body", r -> r.path("/post") + .filters(f -> f.modifyRequestBody(String.class, Hello.class, MediaType.APPLICATION_JSON_VALUE, + (exchange, s) -> Mono.just(new Hello(s.toUpperCase())))).uri("https://httpbin.org")) + .build(); + } + + @Bean + public RouteLocator responseRoutes(RouteLocatorBuilder builder) { + return builder.routes() + .route("modify_response_body", r -> r.path("/put/**") + .filters(f -> f.modifyResponseBody(String.class, Hello.class, MediaType.APPLICATION_JSON_VALUE, + (exchange, s) -> Mono.just(new Hello("New Body")))).uri("https://httpbin.org")) + .build(); + } + + static class Hello { + String message; + + public Hello() { } + + public Hello(String message) { + this.message = message; + } + + public String getMessage() { + return message; + } + + public void setMessage(String message) { + this.message = message; + } + } +} diff --git a/spring-cloud/spring-cloud-gateway/src/main/resources/application-webfilters.yml b/spring-cloud/spring-cloud-gateway/src/main/resources/application-webfilters.yml new file mode 100644 index 0000000000..9b3ec64f96 --- /dev/null +++ b/spring-cloud/spring-cloud-gateway/src/main/resources/application-webfilters.yml @@ -0,0 +1,93 @@ +spring: + cloud: + gateway: + routes: + - id: request_header_route + uri: https://httpbin.org + predicates: + - Path=/get/** + filters: + - AddRequestHeader=My-Header-Good,Good + - AddRequestHeader=My-Header-Remove,Remove + - AddRequestParameter=var, good + - AddRequestParameter=var2, remove + - MapRequestHeader=My-Header-Good, My-Header-Bad + - MapRequestHeader=My-Header-Set, My-Header-Bad + - SetRequestHeader=My-Header-Set, Set + - RemoveRequestHeader=My-Header-Remove + - RemoveRequestParameter=var2 + - PreserveHostHeader + + - id: response_header_route + uri: https://httpbin.org + predicates: + - Path=/header/post/** + filters: + - AddResponseHeader=My-Header-Good,Good + - AddResponseHeader=My-Header-Set,Good + - AddResponseHeader=My-Header-Rewrite, password=12345678 + - DedupeResponseHeader=Access-Control-Allow-Credentials Access-Control-Allow-Origin + - AddResponseHeader=My-Header-Remove,Remove + - SetResponseHeader=My-Header-Set, Set + - RemoveResponseHeader=My-Header-Remove + - RewriteResponseHeader=My-Header-Rewrite, password=[^&]+, password=*** + - RewriteLocationResponseHeader=AS_IN_REQUEST, Location, , + - StripPrefix=1 + + - id: path_route + uri: https://httpbin.org + predicates: + - Path=/new/post/** + filters: + - RewritePath=/new(?/?.*), $\{segment} + - SetPath=/post + + - id: redirect_route + uri: https://httpbin.org + predicates: + - Path=/fake/post/** + filters: + - RedirectTo=302, https://httpbin.org + + - id: status_route + uri: https://httpbin.org + predicates: + - Path=/delete/** + filters: + - SetStatus=401 + + - id: size_route + uri: https://httpbin.org + predicates: + - Path=/anything + filters: + - name: RequestSize + args: + maxSize: 5000000 + + - id: retry_test + uri: https://httpbin.org + predicates: + - Path=/status/502 + filters: + - name: Retry + args: + retries: 3 + statuses: BAD_GATEWAY + methods: GET,POST + backoff: + firstBackoff: 10ms + maxBackoff: 50ms + factor: 2 + basedOnPreviousValue: false + + - id: circuitbreaker_route + uri: https://httpbin.org + predicates: + - Path=/status/504 + filters: + - name: CircuitBreaker + args: + name: myCircuitBreaker + fallbackUri: forward:/anything + - RewritePath=/status/504, /anything \ No newline at end of file