/*
* JBoss, a division of Red Hat
* Copyright 2006, 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.sso.agent.login;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.login.LoginException;
import org.exoplatform.container.ExoContainer;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.security.Authenticator;
import org.exoplatform.services.security.Identity;
import org.exoplatform.services.security.UsernameCredential;
import org.exoplatform.services.security.jaas.AbstractLoginModule;
import org.exoplatform.web.security.Credentials;
import org.exoplatform.web.security.security.CookieTokenService;
import org.exoplatform.web.security.security.TransientTokenService;
/**
* @author <a href="mailto:sshah@redhat.com">Sohil Shah</a>
*/
public final class SSOLoginModule extends AbstractLoginModule
{
private static final Log LOG = ExoLogger.getLogger(SSOLoginModule.class
.getName());
protected Log getLogger()
{
return LOG;
}
public boolean login() throws LoginException
{
try
{
Callback[] callbacks = new Callback[2];
callbacks[0] = new NameCallback("Username");
callbacks[1] = new PasswordCallback("Password", false);
callbackHandler.handle(callbacks);
String password = new String(((PasswordCallback) callbacks[1])
.getPassword());
ExoContainer container = getContainer();
Object o = ((TransientTokenService) container
.getComponentInstanceOfType(TransientTokenService.class))
.validateToken(password, true);
if (o == null)
o = ((CookieTokenService) container
.getComponentInstanceOfType(CookieTokenService.class))
.validateToken(password, false);
String username = null;
if (o instanceof Credentials)
{
Credentials wc = (Credentials)o;
username = wc.getUsername();
}
if (username == null)
{
//SSO token could not be validated...hence a user id cannot be found
LOG.error("---------------------------------------------------------");
LOG.error("SSOLogin Failed. Credential Not Found!!");
LOG.error("---------------------------------------------------------");
return false;
}
Authenticator authenticator = (Authenticator) getContainer()
.getComponentInstanceOfType(Authenticator.class);
if (authenticator == null)
{
throw new LoginException(
"No Authenticator component found, check your configuration");
}
Identity identity = authenticator.createIdentity(username);
sharedState.put("exo.security.identity", identity);
sharedState.put("javax.security.auth.login.name", username);
subject.getPublicCredentials().add(new UsernameCredential(username));
return true;
}
catch (final Throwable e)
{
throw new LoginException(e.getMessage());
}
}
public boolean logout() throws LoginException
{
return true;
}
public boolean abort() throws LoginException
{
return true;
}
public boolean commit() throws LoginException
{
return true;
}
}