com.kdubb.socialshowcaseboot.config.SocialConfig.java Source code

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Here is the source code for com.kdubb.socialshowcaseboot.config.SocialConfig.java

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/*
 * Copyright 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 com.kdubb.socialshowcaseboot.config;

import javax.inject.Inject;
import javax.sql.DataSource;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.core.env.Environment;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.encrypt.Encryptors;
import org.springframework.security.web.savedrequest.HttpSessionRequestCache;
import org.springframework.social.UserIdSource;
import org.springframework.social.config.annotation.ConnectionFactoryConfigurer;
import org.springframework.social.config.annotation.EnableSocial;
import org.springframework.social.config.annotation.SocialConfigurer;
import org.springframework.social.connect.Connection;
import org.springframework.social.connect.ConnectionFactoryLocator;
import org.springframework.social.connect.ConnectionRepository;
import org.springframework.social.connect.UsersConnectionRepository;
import org.springframework.social.connect.jdbc.JdbcUsersConnectionRepository;
import org.springframework.social.connect.web.ConnectController;
import org.springframework.social.connect.web.ProviderSignInController;
import org.springframework.social.connect.web.ReconnectFilter;
import org.springframework.social.facebook.api.Facebook;
import org.springframework.social.facebook.connect.FacebookConnectionFactory;
import org.springframework.social.facebook.web.DisconnectController;
import org.springframework.social.linkedin.api.LinkedIn;
import org.springframework.social.linkedin.connect.LinkedInConnectionFactory;
import org.springframework.social.twitter.api.Twitter;
import org.springframework.social.twitter.connect.TwitterConnectionFactory;

import com.kdubb.socialshowcaseboot.facebook.PostToWallAfterConnectInterceptor;
import com.kdubb.socialshowcaseboot.signin.SimpleSignInAdapter;
import com.kdubb.socialshowcaseboot.twitter.TweetAfterConnectInterceptor;

/**
 * Spring Social Configuration.
 * This configuration demonstrates the use of the simplified Spring Social configuration options from Spring Social 1.1.
 * 
 * @author Craig Walls
 */
@Configuration
@EnableSocial
public class SocialConfig implements SocialConfigurer {

    @Inject
    private DataSource dataSource;

    //
    // SocialConfigurer implementation methods
    //

    @Override
    public void addConnectionFactories(ConnectionFactoryConfigurer cfConfig, Environment env) {
        cfConfig.addConnectionFactory(new TwitterConnectionFactory(env.getProperty("twitter.appKey"),
                env.getProperty("twitter.appSecret")));
        cfConfig.addConnectionFactory(new FacebookConnectionFactory(env.getProperty("facebook.appKey"),
                env.getProperty("facebook.appSecret")));
        cfConfig.addConnectionFactory(new LinkedInConnectionFactory(env.getProperty("linkedin.appKey"),
                env.getProperty("linkedin.appSecret")));
    }

    @Override
    public UserIdSource getUserIdSource() {
        return new UserIdSource() {
            @Override
            public String getUserId() {
                Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
                if (authentication == null) {
                    throw new IllegalStateException("Unable to get a ConnectionRepository: no user signed in");
                }
                return authentication.getName();
            }
        };
    }

    @Override
    public UsersConnectionRepository getUsersConnectionRepository(
            ConnectionFactoryLocator connectionFactoryLocator) {
        return new JdbcUsersConnectionRepository(dataSource, connectionFactoryLocator, Encryptors.noOpText());
    }

    //
    // API Binding Beans
    //

    @Bean
    @Scope(value = "request", proxyMode = ScopedProxyMode.INTERFACES)
    public Facebook facebook(ConnectionRepository repository) {
        Connection<Facebook> connection = repository.findPrimaryConnection(Facebook.class);
        return connection != null ? connection.getApi() : null;
    }

    @Bean
    @Scope(value = "request", proxyMode = ScopedProxyMode.INTERFACES)
    public Twitter twitter(ConnectionRepository repository) {
        Connection<Twitter> connection = repository.findPrimaryConnection(Twitter.class);
        return connection != null ? connection.getApi() : null;
    }

    @Bean
    @Scope(value = "request", proxyMode = ScopedProxyMode.INTERFACES)
    public LinkedIn linkedin(ConnectionRepository repository) {
        Connection<LinkedIn> connection = repository.findPrimaryConnection(LinkedIn.class);
        return connection != null ? connection.getApi() : null;
    }

    //
    // Web Controller and Filter Beans
    //
    @Bean
    public ConnectController connectController(ConnectionFactoryLocator connectionFactoryLocator,
            ConnectionRepository connectionRepository) {
        ConnectController connectController = new ConnectController(connectionFactoryLocator, connectionRepository);
        connectController.addInterceptor(new PostToWallAfterConnectInterceptor());
        connectController.addInterceptor(new TweetAfterConnectInterceptor());
        return connectController;
    }

    @Bean
    public ProviderSignInController providerSignInController(ConnectionFactoryLocator connectionFactoryLocator,
            UsersConnectionRepository usersConnectionRepository) {
        return new ProviderSignInController(connectionFactoryLocator, usersConnectionRepository,
                new SimpleSignInAdapter(new HttpSessionRequestCache()));
    }

    @Bean
    public DisconnectController disconnectController(UsersConnectionRepository usersConnectionRepository,
            Environment env) {
        return new DisconnectController(usersConnectionRepository, env.getProperty("facebook.appSecret"));
    }

    @Bean
    public ReconnectFilter apiExceptionHandler(UsersConnectionRepository usersConnectionRepository,
            UserIdSource userIdSource) {
        return new ReconnectFilter(usersConnectionRepository, userIdSource);
    }

}