/**
* Copyright 2010 Daniel Guermeur and Amy Unruh
*
* 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.
*
* See http://connectrapp.appspot.com/ for a demo, and links to more information
* about this app and the book that it accompanies.
*/
package com.metadot.book.connectr.server.servlets;
import java.io.IOException;
import java.util.logging.Logger;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.User;
import twitter4j.http.RequestToken;
import com.metadot.book.connectr.server.LoginHelper;
import com.metadot.book.connectr.server.domain.UserAccount;
import com.metadot.book.connectr.server.utils.AuthenticationProvider;
@SuppressWarnings("serial") public class LoginTwitterCallbackServlet extends HttpServlet {
private static Logger log = Logger.getLogger(LoginTwitterCallbackServlet.class.getName());
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
Twitter twitter = new TwitterFactory().getInstance();
String key = AuthenticationProvider.getProp("twitter-consumer-key");
String secret = AuthenticationProvider.getProp("twitter-consumer-secret");
RequestToken token = (RequestToken) request.getSession().getAttribute("requestToken");
String verifier = request.getParameter("oauth_verifier");
twitter.setOAuthConsumer(key, secret);
try {
twitter.getOAuthAccessToken(token, verifier);
User user = twitter.verifyCredentials();
log.info("Twitter user found:" + user.getName());
request.getSession().removeAttribute("requestToken");
String sid = ((Integer) user.getId()).toString();
UserAccount u = new UserAccount(sid, AuthenticationProvider.TWITTER);
// use screen name for uid
u.setName(user.getScreenName());
UserAccount connectr = new LoginHelper().loginStarts(request.getSession(), u);
log.info("User id:" + connectr.getId().toString());
} catch (TwitterException e) {
e.printStackTrace();
}
response.sendRedirect(LoginHelper.getApplitionURL(request));
}
}