001/*
002 * Copyright 2012-2017 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.social;
018
019import java.util.List;
020
021import org.thymeleaf.spring4.resourceresolver.SpringResourceResourceResolver;
022
023import org.springframework.beans.factory.ObjectProvider;
024import org.springframework.boot.autoconfigure.AutoConfigureAfter;
025import org.springframework.boot.autoconfigure.AutoConfigureBefore;
026import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
027import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
028import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
029import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
030import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
031import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
032import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
033import org.springframework.boot.autoconfigure.thymeleaf.ThymeleafAutoConfiguration;
034import org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration;
035import org.springframework.context.annotation.Bean;
036import org.springframework.context.annotation.Configuration;
037import org.springframework.core.Ordered;
038import org.springframework.security.core.Authentication;
039import org.springframework.security.core.context.SecurityContext;
040import org.springframework.security.core.context.SecurityContextHolder;
041import org.springframework.social.UserIdSource;
042import org.springframework.social.config.annotation.EnableSocial;
043import org.springframework.social.config.annotation.SocialConfigurerAdapter;
044import org.springframework.social.connect.ConnectionFactoryLocator;
045import org.springframework.social.connect.ConnectionRepository;
046import org.springframework.social.connect.UsersConnectionRepository;
047import org.springframework.social.connect.web.ConnectController;
048import org.springframework.social.connect.web.ConnectInterceptor;
049import org.springframework.social.connect.web.DisconnectInterceptor;
050import org.springframework.social.connect.web.ProviderSignInController;
051import org.springframework.social.connect.web.ProviderSignInInterceptor;
052import org.springframework.social.connect.web.SignInAdapter;
053import org.springframework.social.connect.web.thymeleaf.SpringSocialDialect;
054import org.springframework.util.Assert;
055import org.springframework.util.CollectionUtils;
056import org.springframework.web.servlet.view.BeanNameViewResolver;
057
058/**
059 * {@link EnableAutoConfiguration Auto-configuration} for Spring Social's web connection
060 * support.
061 *
062 * @author Craig Walls
063 * @since 1.1.0
064 */
065@Configuration
066@ConditionalOnClass({ ConnectController.class, SocialConfigurerAdapter.class })
067@ConditionalOnBean({ ConnectionFactoryLocator.class, UsersConnectionRepository.class })
068@AutoConfigureBefore(ThymeleafAutoConfiguration.class)
069@AutoConfigureAfter(WebMvcAutoConfiguration.class)
070public class SocialWebAutoConfiguration {
071
072        @Configuration
073        @EnableSocial
074        @ConditionalOnWebApplication
075        protected static class SocialAutoConfigurationAdapter
076                        extends SocialConfigurerAdapter {
077
078                private final List<ConnectInterceptor<?>> connectInterceptors;
079
080                private final List<DisconnectInterceptor<?>> disconnectInterceptors;
081
082                private final List<ProviderSignInInterceptor<?>> signInInterceptors;
083
084                public SocialAutoConfigurationAdapter(
085                                ObjectProvider<List<ConnectInterceptor<?>>> connectInterceptorsProvider,
086                                ObjectProvider<List<DisconnectInterceptor<?>>> disconnectInterceptorsProvider,
087                                ObjectProvider<List<ProviderSignInInterceptor<?>>> signInInterceptorsProvider) {
088                        this.connectInterceptors = connectInterceptorsProvider.getIfAvailable();
089                        this.disconnectInterceptors = disconnectInterceptorsProvider.getIfAvailable();
090                        this.signInInterceptors = signInInterceptorsProvider.getIfAvailable();
091                }
092
093                @Bean
094                @ConditionalOnMissingBean(ConnectController.class)
095                public ConnectController connectController(
096                                ConnectionFactoryLocator factoryLocator,
097                                ConnectionRepository repository) {
098                        ConnectController controller = new ConnectController(factoryLocator,
099                                        repository);
100                        if (!CollectionUtils.isEmpty(this.connectInterceptors)) {
101                                controller.setConnectInterceptors(this.connectInterceptors);
102                        }
103                        if (!CollectionUtils.isEmpty(this.disconnectInterceptors)) {
104                                controller.setDisconnectInterceptors(this.disconnectInterceptors);
105                        }
106                        return controller;
107                }
108
109                @Bean
110                @ConditionalOnMissingBean
111                @ConditionalOnProperty(prefix = "spring.social", name = "auto-connection-views")
112                public BeanNameViewResolver beanNameViewResolver() {
113                        BeanNameViewResolver viewResolver = new BeanNameViewResolver();
114                        viewResolver.setOrder(Ordered.HIGHEST_PRECEDENCE);
115                        return viewResolver;
116                }
117
118                @Bean
119                @ConditionalOnBean(SignInAdapter.class)
120                @ConditionalOnMissingBean
121                public ProviderSignInController signInController(
122                                ConnectionFactoryLocator factoryLocator,
123                                UsersConnectionRepository usersRepository, SignInAdapter signInAdapter) {
124                        ProviderSignInController controller = new ProviderSignInController(
125                                        factoryLocator, usersRepository, signInAdapter);
126                        if (!CollectionUtils.isEmpty(this.signInInterceptors)) {
127                                controller.setSignInInterceptors(this.signInInterceptors);
128                        }
129                        return controller;
130                }
131
132        }
133
134        @Configuration
135        @EnableSocial
136        @ConditionalOnWebApplication
137        @ConditionalOnMissingClass("org.springframework.security.core.context.SecurityContextHolder")
138        protected static class AnonymousUserIdSourceConfig extends SocialConfigurerAdapter {
139
140                @Override
141                public UserIdSource getUserIdSource() {
142                        return new UserIdSource() {
143                                @Override
144                                public String getUserId() {
145                                        return "anonymous";
146                                }
147                        };
148                }
149
150        }
151
152        @Configuration
153        @EnableSocial
154        @ConditionalOnWebApplication
155        @ConditionalOnClass(SecurityContextHolder.class)
156        protected static class AuthenticationUserIdSourceConfig
157                        extends SocialConfigurerAdapter {
158
159                @Override
160                public UserIdSource getUserIdSource() {
161                        return new SecurityContextUserIdSource();
162                }
163
164        }
165
166        @Configuration
167        @ConditionalOnClass(SpringResourceResourceResolver.class)
168        protected static class SpringSocialThymeleafConfig {
169
170                @Bean
171                @ConditionalOnMissingBean
172                public SpringSocialDialect springSocialDialect() {
173                        return new SpringSocialDialect();
174                }
175
176        }
177
178        private static class SecurityContextUserIdSource implements UserIdSource {
179
180                @Override
181                public String getUserId() {
182                        SecurityContext context = SecurityContextHolder.getContext();
183                        Authentication authentication = context.getAuthentication();
184                        Assert.state(authentication != null,
185                                        "Unable to get a " + "ConnectionRepository: no user signed in");
186                        return authentication.getName();
187                }
188
189        }
190
191}