/* * Copyright 2015-2015 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.cloud.security.oauth2.client; import java.util.ArrayList; import java.util.List; import org.springframework.boot.autoconfigure.AutoConfigureAfter; import org.springframework.boot.autoconfigure.condition.ConditionalOnBean; import org.springframework.boot.autoconfigure.condition.ConditionalOnClass; import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; import org.springframework.boot.autoconfigure.security.oauth2.OAuth2AutoConfiguration; import org.springframework.boot.autoconfigure.security.oauth2.resource.UserInfoRestTemplateCustomizer; import org.springframework.cloud.client.loadbalancer.LoadBalancerInterceptor; import org.springframework.cloud.client.loadbalancer.RetryLoadBalancerInterceptor; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.http.client.ClientHttpRequestInterceptor; import org.springframework.security.oauth2.client.OAuth2RestTemplate; /** * @author Dave Syer * */ @Configuration(proxyBeanMethods = false) @ConditionalOnClass(OAuth2RestTemplate.class) @ConditionalOnProperty(value = "security.oauth2.resource.loadBalanced", matchIfMissing = false) @AutoConfigureAfter(OAuth2AutoConfiguration.class) public class OAuth2LoadBalancerClientAutoConfiguration { @Configuration(proxyBeanMethods = false) @ConditionalOnBean(LoadBalancerInterceptor.class) protected static class UserInfoLoadBalancerConfig { @Bean public UserInfoRestTemplateCustomizer loadBalancedUserInfoRestTemplateCustomizer( final LoadBalancerInterceptor loadBalancerInterceptor) { return new UserInfoRestTemplateCustomizer() { @Override public void customize(OAuth2RestTemplate restTemplate) { List<ClientHttpRequestInterceptor> interceptors = new ArrayList<>( restTemplate.getInterceptors()); interceptors.add(loadBalancerInterceptor); restTemplate.setInterceptors(interceptors); } }; } } @Configuration(proxyBeanMethods = false) @ConditionalOnBean(RetryLoadBalancerInterceptor.class) protected static class UserInfoRetryLoadBalancerConfig { @Bean public UserInfoRestTemplateCustomizer retryLoadBalancedUserInfoRestTemplateCustomizer( final RetryLoadBalancerInterceptor loadBalancerInterceptor) { return new UserInfoRestTemplateCustomizer() { @Override public void customize(OAuth2RestTemplate restTemplate) { List<ClientHttpRequestInterceptor> interceptors = new ArrayList<>( restTemplate.getInterceptors()); interceptors.add(loadBalancerInterceptor); restTemplate.setInterceptors(interceptors); } }; } } }