/**
* Copyright (C) 2010 Peter Karich <jetwick_@_pannous_._info>
*
* 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 de.jetwick.ui;
import de.jetwick.tw.TwitterSearch;
import org.apache.wicket.Page;
import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.protocol.http.WebResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import twitter4j.auth.AccessToken;
/**
*
* @author Peter Karich, peat_hal 'at' users 'dot' sourceforge 'dot' net
*/
public class Login extends JetwickPage {
private final Logger logger = LoggerFactory.getLogger(getClass());
public final static String CALLBACK = "callback";
public final static String LOGOUT = "logout";
public final static String TW_VERIFIER = "oauth_verifier";
public final static String TW_TOKEN = "oauth_token";
public Login(PageParameters parameters) {
boolean slide = false;
String callback = parameters.getString(CALLBACK);
if ("true".equals(callback)) {
// redirect to remove ugly and insecure data
setRedirect(true);
boolean success = initCallback(parameters);
parameters.remove(CALLBACK);
parameters.remove(TW_VERIFIER);
parameters.remove(TW_TOKEN);
if (success) {
success(false, parameters);
} else
// we want to have the error message so don't use "Login.class, parameters"
setResponsePage(new Login(parameters));
return;
}
boolean logout = parameters.getBoolean(LOGOUT);
if (logout) {
getMySession().logout(uindexProvider.get(), (WebResponse) getResponse(), true);
parameters.remove(LOGOUT);
info("Successfully logged out!");
success(slide, parameters);
}
final String appName;
final Class<? extends Page> page;
appName = "Jetwick";
page = TweetSearchPage.class;
Link backLink = new Link("backLink") {
@Override
public void onClick() {
setResponsePage(page);
}
};
add(backLink);
backLink.add(new Label("appName", appName));
add(new Label("appName", appName));
add(new Label("title", "Login to " + appName));
add(new FeedbackPanel("feedback"));
add(new LoginPanel("login", parameters));
}
private boolean initCallback(PageParameters parameters) {
// when log out on error then do not invalidate session as we don't want to get session timeout
try {
logger.info("Received callback via slide=false Session=" + getSession().getId());
String oAuthVerifier = parameters.getString(TW_VERIFIER);
if (oAuthVerifier == null)
throw new IllegalArgumentException("Cannot get authorization data from twitter");
AccessToken token = getTwitterSearch().oAuthOnCallBack(oAuthVerifier);
getMySession().afterLogin(token, uindexProvider.get(), (WebResponse) getResponse());
return true;
} catch (IllegalArgumentException ex) {
logger.error(ex.getMessage());
error(ex.getMessage());
getMySession().logout(uindexProvider.get(), (WebResponse) getResponse(), false);
} catch (Exception ex) {
logger.error("Error while receiving callback.", ex);
String msg = TwitterSearch.getMessage(ex);
if (msg.length() > 0)
error(msg);
else
error("Error when getting information from twitter! Please try again!");
getMySession().logout(uindexProvider.get(), (WebResponse) getResponse(), false);
}
return false;
}
private void success(boolean slide, PageParameters parameters) {
// 1. avoid showing the url parameters (e.g. refresh would let it fail)
// 2. setResponsePage(TweetSearchPage.class); fails sometimes for firefox!?
setResponsePage(TweetSearchPage.class, parameters);
}
}