org.tynamo.examples.federatedaccounts.pages.Index.java Source code

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Here is the source code for org.tynamo.examples.federatedaccounts.pages.Index.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.tynamo.examples.federatedaccounts.pages;

import java.util.List;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.apache.tapestry5.Block;
import org.apache.tapestry5.annotations.InjectComponent;
import org.apache.tapestry5.annotations.Property;
import org.apache.tapestry5.annotations.SessionState;
import org.apache.tapestry5.corelib.components.Zone;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.apache.tapestry5.ioc.annotations.Symbol;
import org.apache.tapestry5.services.ApplicationStateManager;
import org.apache.tapestry5.services.ExceptionReporter;
import org.apache.tapestry5.services.Request;
import org.tynamo.examples.federatedaccounts.session.CurrentUser;
import org.tynamo.security.federatedaccounts.facebook.FacebookAccessToken;
import org.tynamo.security.federatedaccounts.oauth.tokens.OauthAccessToken;
import org.tynamo.security.federatedaccounts.twitter.TwitterAccessToken;
import org.tynamo.security.federatedaccounts.twitter.services.TwitterRealm;
import org.tynamo.security.services.SecurityService;

import twitter4j.Status;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.auth.AccessToken;

import com.restfb.DefaultFacebookClient;
import com.restfb.FacebookClient;
import com.restfb.types.User;

public class Index implements ExceptionReporter {

    @SuppressWarnings("unused")
    @SessionState(create = false)
    @Property
    private CurrentUser currentUser;

    private Throwable exception;

    @Override
    public void reportException(Throwable exception) {
        this.exception = exception;
    }

    public Throwable getException() {
        return exception;
    }

    public String getMessage() {
        if (exception != null) {
            return exception.getMessage() + " Try login.";
        } else {
            return "";
        }
    }

    @Inject
    private ApplicationStateManager applicationStateManager;

    @Inject
    private SecurityService securityService;

    void onActivate() {
        if (securityService.getSubject().isAuthenticated() && !applicationStateManager.exists(CurrentUser.class)) {
            CurrentUser currentUser = applicationStateManager.get(CurrentUser.class);
            currentUser.merge(securityService.getSubject().getPrincipal());
        }

    }

    @Inject
    private Request request;

    Object onActionFromLogout() {
        // Need to call this explicitly to invoke onlogout handlers (for remember me etc.)
        SecurityUtils.getSubject().logout();
        try {
            // the session is already invalidated, but need to cause an exception since tapestry doesn't know about it
            // and you'll get a container exception message instead without this. Unfortunately, there's no way of
            // configuring Shiro to not invalidate sessions right now. See DefaultSecurityManager.logout()
            // There's a similar issues in Tapestry - Howard has fixed, but no in T5.2.x releases yet
            request.getSession(false).invalidate();
        } catch (Exception e) {
        }

        return this;
    }

    @InjectComponent
    private Zone friendResults;

    @Property
    private List<User> friends;

    @Property
    private User friend;

    @RequiresPermissions("facebook")
    Block onActionFromListFriends() {
        OauthAccessToken accessToken = securityService.getSubject().getPrincipals()
                .oneByType(FacebookAccessToken.class);
        // could check for expiration
        FacebookClient facebookClient = new DefaultFacebookClient(accessToken.toString());

        friends = facebookClient.fetchConnection("me/friends", User.class).getData();
        return friendResults.getBody();
    }

    @Inject
    private TwitterFactory twitterFactory;

    @Inject
    @Symbol(TwitterRealm.TWITTER_CLIENTID)
    private String oauthClientId;

    @Inject
    @Symbol(TwitterRealm.TWITTER_CLIENTSECRET)
    private String oauthClientSecret;

    @InjectComponent
    private Zone tweetResults;

    @Property
    private List<Status> tweets;

    @Property
    private Status tweet;

    @RequiresPermissions("twitter")
    Block onActionFromListTweets() throws TwitterException {
        OauthAccessToken accessToken = securityService.getSubject().getPrincipals()
                .oneByType(TwitterAccessToken.class);
        Twitter twitter = twitterFactory.getInstance();
        twitter.setOAuthConsumer(oauthClientId, oauthClientSecret);
        twitter.setOAuthAccessToken((AccessToken) accessToken.getCredentials());
        tweets = twitter.getHomeTimeline();
        return tweetResults.getBody();

    }

}