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 */
016package org.springframework.boot.autoconfigure.security.oauth2.client.reactive;
017
018import java.util.ArrayList;
019import java.util.List;
020
021import reactor.core.publisher.Flux;
022
023import org.springframework.boot.autoconfigure.AutoConfigureBefore;
024import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
025import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
026import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
027import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
028import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
029import org.springframework.boot.autoconfigure.condition.NoneNestedConditions;
030import org.springframework.boot.autoconfigure.security.oauth2.client.ClientsConfiguredCondition;
031import org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientProperties;
032import org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientPropertiesRegistrationAdapter;
033import org.springframework.boot.autoconfigure.security.reactive.ReactiveSecurityAutoConfiguration;
034import org.springframework.boot.context.properties.EnableConfigurationProperties;
035import org.springframework.context.annotation.Bean;
036import org.springframework.context.annotation.Conditional;
037import org.springframework.context.annotation.Configuration;
038import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
039import org.springframework.security.oauth2.client.InMemoryReactiveOAuth2AuthorizedClientService;
040import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientService;
041import org.springframework.security.oauth2.client.registration.ClientRegistration;
042import org.springframework.security.oauth2.client.registration.InMemoryReactiveClientRegistrationRepository;
043import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository;
044import org.springframework.security.oauth2.client.web.server.AuthenticatedPrincipalServerOAuth2AuthorizedClientRepository;
045import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository;
046
047/**
048 * {@link EnableAutoConfiguration Auto-configuration} for Spring Security's Reactive
049 * OAuth2 client.
050 *
051 * @author Madhura Bhave
052 * @since 2.1.0
053 */
054@Configuration
055@AutoConfigureBefore(ReactiveSecurityAutoConfiguration.class)
056@EnableConfigurationProperties(OAuth2ClientProperties.class)
057@Conditional(ReactiveOAuth2ClientAutoConfiguration.NonServletApplicationCondition.class)
058@ConditionalOnClass({ Flux.class, EnableWebFluxSecurity.class, ClientRegistration.class })
059public class ReactiveOAuth2ClientAutoConfiguration {
060
061        private final OAuth2ClientProperties properties;
062
063        public ReactiveOAuth2ClientAutoConfiguration(OAuth2ClientProperties properties) {
064                this.properties = properties;
065        }
066
067        @Bean
068        @Conditional(ClientsConfiguredCondition.class)
069        @ConditionalOnMissingBean(ReactiveClientRegistrationRepository.class)
070        public InMemoryReactiveClientRegistrationRepository clientRegistrationRepository() {
071                List<ClientRegistration> registrations = new ArrayList<>(
072                                OAuth2ClientPropertiesRegistrationAdapter
073                                                .getClientRegistrations(this.properties).values());
074                return new InMemoryReactiveClientRegistrationRepository(registrations);
075        }
076
077        @Bean
078        @ConditionalOnBean(ReactiveClientRegistrationRepository.class)
079        @ConditionalOnMissingBean
080        public ReactiveOAuth2AuthorizedClientService authorizedClientService(
081                        ReactiveClientRegistrationRepository clientRegistrationRepository) {
082                return new InMemoryReactiveOAuth2AuthorizedClientService(
083                                clientRegistrationRepository);
084        }
085
086        @Bean
087        @ConditionalOnBean(ReactiveOAuth2AuthorizedClientService.class)
088        @ConditionalOnMissingBean
089        public ServerOAuth2AuthorizedClientRepository authorizedClientRepository(
090                        ReactiveOAuth2AuthorizedClientService authorizedClientService) {
091                return new AuthenticatedPrincipalServerOAuth2AuthorizedClientRepository(
092                                authorizedClientService);
093        }
094
095        static class NonServletApplicationCondition extends NoneNestedConditions {
096
097                NonServletApplicationCondition() {
098                        super(ConfigurationPhase.PARSE_CONFIGURATION);
099                }
100
101                @ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
102                static class ServletApplicationCondition {
103
104                }
105
106        }
107
108}