/*
* JBoss, a division of Red Hat
* Copyright 2013, Red Hat Middleware, LLC, and individual
* contributors as indicated by the @authors tag. See the
* copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.security.oauth.web.twitter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.gatein.security.oauth.spi.InteractionState;
import org.gatein.security.oauth.common.OAuthConstants;
import org.gatein.security.oauth.spi.OAuthPrincipal;
import org.gatein.security.oauth.spi.OAuthProviderType;
import org.gatein.security.oauth.exception.OAuthException;
import org.gatein.security.oauth.exception.OAuthExceptionCode;
import org.gatein.security.oauth.twitter.TwitterAccessTokenContext;
import org.gatein.security.oauth.twitter.TwitterProcessor;
import org.gatein.security.oauth.utils.OAuthUtils;
import org.gatein.security.oauth.web.OAuthProviderFilter;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.User;
/**
* Filter for integration with authentication handhsake via Twitter with usage of OAuth1
*
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class TwitterFilter extends OAuthProviderFilter<TwitterAccessTokenContext> {
@Override
protected OAuthProviderType<TwitterAccessTokenContext> getOAuthProvider() {
return getOauthProvider(OAuthConstants.OAUTH_PROVIDER_KEY_TWITTER, TwitterAccessTokenContext.class);
}
@Override
protected void initInteraction(HttpServletRequest request, HttpServletResponse response) {
request.getSession().removeAttribute(OAuthConstants.ATTRIBUTE_TWITTER_REQUEST_TOKEN);
}
@Override
protected OAuthPrincipal<TwitterAccessTokenContext> getOAuthPrincipal(HttpServletRequest request, HttpServletResponse response,
InteractionState<TwitterAccessTokenContext> interactionState) {
TwitterAccessTokenContext accessTokenContext = interactionState.getAccessTokenContext();
Twitter twitter = ((TwitterProcessor)getOauthProviderProcessor()).getAuthorizedTwitterInstance(accessTokenContext);
User twitterUser;
try {
twitterUser = twitter.verifyCredentials();
} catch (TwitterException te) {
throw new OAuthException(OAuthExceptionCode.TWITTER_ERROR, "Error when obtaining user", te);
}
OAuthPrincipal<TwitterAccessTokenContext> oauthPrincipal = OAuthUtils.convertTwitterUserToOAuthPrincipal(twitterUser,
accessTokenContext, getOAuthProvider());
return oauthPrincipal;
}
}