/*
* Copyright 2012-2014 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
*
* http://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.boot.autoconfigure.social;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.thymeleaf.ThymeleafAutoConfiguration;
import org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.social.UserIdSource;
import org.springframework.social.config.annotation.EnableSocial;
import org.springframework.social.config.annotation.SocialConfigurerAdapter;
import org.springframework.social.connect.ConnectionFactoryLocator;
import org.springframework.social.connect.ConnectionRepository;
import org.springframework.social.connect.UsersConnectionRepository;
import org.springframework.social.connect.web.ConnectController;
import org.springframework.social.connect.web.ConnectInterceptor;
import org.springframework.social.connect.web.DisconnectInterceptor;
import org.springframework.social.connect.web.ProviderSignInController;
import org.springframework.social.connect.web.ProviderSignInInterceptor;
import org.springframework.social.connect.web.SignInAdapter;
import org.springframework.social.connect.web.thymeleaf.SpringSocialDialect;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.view.BeanNameViewResolver;
import org.thymeleaf.spring4.SpringTemplateEngine;
/**
* {@link EnableAutoConfiguration Auto-configuration} for Spring Social's web connection
* support.
*
* @author Craig Walls
* @since 1.1.0
*/
@Configuration
@ConditionalOnClass({ ConnectController.class, SocialConfigurerAdapter.class })
@ConditionalOnBean({ ConnectionFactoryLocator.class, UsersConnectionRepository.class })
@AutoConfigureBefore(ThymeleafAutoConfiguration.class)
@AutoConfigureAfter(WebMvcAutoConfiguration.class)
public class SocialWebAutoConfiguration {
@Configuration
@EnableSocial
@ConditionalOnWebApplication
protected static class SocialAutoConfigurationAdapter extends SocialConfigurerAdapter {
@Autowired(required = false)
private List<ConnectInterceptor<?>> connectInterceptors;
@Autowired(required = false)
private List<DisconnectInterceptor<?>> disconnectInterceptors;
@Autowired(required = false)
private List<ProviderSignInInterceptor<?>> signInInterceptors;
@Bean
@ConditionalOnMissingBean(ConnectController.class)
public ConnectController connectController(
ConnectionFactoryLocator factoryLocator, ConnectionRepository repository) {
ConnectController controller = new ConnectController(factoryLocator,
repository);
if (!CollectionUtils.isEmpty(this.connectInterceptors)) {
controller.setConnectInterceptors(this.connectInterceptors);
}
if (!CollectionUtils.isEmpty(this.disconnectInterceptors)) {
controller.setDisconnectInterceptors(this.disconnectInterceptors);
}
return controller;
}
@Bean
@ConditionalOnMissingBean(BeanNameViewResolver.class)
@ConditionalOnProperty(prefix = "spring.social", name = "auto-connection-views")
public ViewResolver beanNameViewResolver() {
BeanNameViewResolver viewResolver = new BeanNameViewResolver();
viewResolver.setOrder(Integer.MIN_VALUE);
return viewResolver;
}
@Bean
@ConditionalOnBean(SignInAdapter.class)
@ConditionalOnMissingBean(ProviderSignInController.class)
public ProviderSignInController signInController(
ConnectionFactoryLocator factoryLocator,
UsersConnectionRepository usersRepository, SignInAdapter signInAdapter) {
ProviderSignInController controller = new ProviderSignInController(
factoryLocator, usersRepository, signInAdapter);
if (!CollectionUtils.isEmpty(this.signInInterceptors)) {
controller.setSignInInterceptors(this.signInInterceptors);
}
return controller;
}
}
@Configuration
@EnableSocial
@ConditionalOnWebApplication
@ConditionalOnMissingClass(name = "org.springframework.security.core.context.SecurityContextHolder")
protected static class AnonymousUserIdSourceConfig extends SocialConfigurerAdapter {
@Override
public UserIdSource getUserIdSource() {
return new UserIdSource() {
@Override
public String getUserId() {
return "anonymous";
}
};
}
}
@Configuration
@EnableSocial
@ConditionalOnWebApplication
@ConditionalOnClass(SecurityContextHolder.class)
protected static class AuthenticationUserIdSourceConfig extends
SocialConfigurerAdapter {
@Override
public UserIdSource getUserIdSource() {
return new SecurityContextUserIdSource();
}
}
@Configuration
@ConditionalOnClass(SpringTemplateEngine.class)
protected static class SpringSocialThymeleafConfig {
@Bean
@ConditionalOnMissingBean
public SpringSocialDialect springSocialDialect() {
return new SpringSocialDialect();
}
}
private static class SecurityContextUserIdSource implements UserIdSource {
@Override
public String getUserId() {
SecurityContext context = SecurityContextHolder.getContext();
Authentication authentication = context.getAuthentication();
Assert.state(authentication != null, "Unable to get a "
+ "ConnectionRepository: no user signed in");
return authentication.getName();
}
}
}