001/* 002 * Copyright 2012-2018 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.autoconfigure.security.reactive; 018 019import reactor.core.publisher.Flux; 020 021import org.springframework.boot.autoconfigure.EnableAutoConfiguration; 022import org.springframework.boot.autoconfigure.condition.ConditionalOnClass; 023import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; 024import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication; 025import org.springframework.boot.autoconfigure.security.SecurityProperties; 026import org.springframework.boot.context.properties.EnableConfigurationProperties; 027import org.springframework.context.annotation.Configuration; 028import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity; 029import org.springframework.security.web.server.WebFilterChainProxy; 030 031/** 032 * {@link EnableAutoConfiguration Auto-configuration} for Spring Security in a reactive 033 * application. Switches on {@link EnableWebFluxSecurity} for a reactive web application 034 * if this annotation has not been added by the user. It delegates to Spring Security's 035 * content-negotiation mechanism for authentication. This configuration also backs off if 036 * a bean of type {@link WebFilterChainProxy} has been configured in any other way. 037 * 038 * @author Madhura Bhave 039 * @since 2.0.0 040 */ 041@Configuration 042@EnableConfigurationProperties(SecurityProperties.class) 043@ConditionalOnClass({ Flux.class, EnableWebFluxSecurity.class, 044 WebFilterChainProxy.class }) 045public class ReactiveSecurityAutoConfiguration { 046 047 @Configuration 048 @ConditionalOnMissingBean(WebFilterChainProxy.class) 049 @ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE) 050 @EnableWebFluxSecurity 051 static class EnableWebFluxSecurityConfiguration { 052 053 } 054 055}