JOSSOIdentityServiceImpl.java

/******************************************************************************
 * 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.josso.jbportal27.agent;

import java.util.Iterator;
import java.util.Set;

import javax.naming.InitialContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.hibernate.SessionFactory;
import org.hibernate.Session;
import org.hibernate.Transaction;

import org.jboss.portal.identity.Role;
import org.jboss.portal.identity.UserModule;
import org.jboss.portal.identity.UserProfileModule;
import org.jboss.portal.identity.MembershipModule;
import org.jboss.portal.identity.User;
import org.josso.jbportal27.agent.JOSSOIdentityService;

/*
 * Created on May 24, 2007
 * 
 * @author <a href="mailto:sshah@redhat.com">Sohil Shah</a>
 */
public class JOSSOIdentityServiceImpl implements JOSSOIdentityService
{
//   private static Logger log = Logger.getLogger(JOSSOIdentityServiceImpl.class);
	private static final Log logger = LogFactory.getLog(JOSSOIdentityServiceImpl.class);
   
   private UserModule userModule = null;
   private UserProfileModule profileModule = null;
   private MembershipModule membershipModule = null;
   
   /**
    * 
    *
    */
   public void start()
   {
      try
      {
         InitialContext initialContext = new InitialContext();
         
         this.userModule = (UserModule)initialContext.lookup("java:/portal/UserModule");
         this.profileModule = (UserProfileModule)initialContext.lookup("java:/portal/UserProfileModule");
         this.membershipModule = (MembershipModule)initialContext.lookup("java:/portal/MembershipModule");
      }
      catch(Exception e)
      {
    	  logger.error(this, e);
         this.stop();
      }
   }
   
   /**
    * 
    *
    */
   public void stop()
   {
      this.userModule = null;
      this.profileModule = null;
      this.membershipModule = null;
   }
      
   /**
    * 
    * @param username
    * @return
    */
   public String[] getUserRoles(String username)
   {
      Session session = null;
      Transaction tx = null;
      try
      {
         String[] userRoles = null;    
         
         InitialContext initialContext = new InitialContext();
         SessionFactory sessionFactory = (SessionFactory)initialContext.lookup("java:/portal/IdentitySessionFactory");
         session = sessionFactory.openSession();
         tx = session.beginTransaction();
         
         User user = this.userModule.findUserByUserName(username);
         if(user != null && user.getUserName().trim().equals(username.trim()))
         {
            Set roles = this.membershipModule.getRoles(user);
            userRoles = new String[roles.size()+1];
            userRoles[0] = "Authenticated";
            int index = 1;
            for(Iterator itr=roles.iterator();itr.hasNext();)
            {
               Role role = (Role)itr.next();
               userRoles[index++] = role.getName();
            }
         }
                  
         return userRoles;
      }
      catch(Exception e)
      {
    	  logger.error(this, e);
         throw new RuntimeException(e);
      }
      finally
      {
         tx.commit();
         session.close();
      }
   }
   
   /**
    * 
    * @param username
    * @return
    */
   public boolean exists(String username)
   {
      Session session = null;
      Transaction tx = null;
      try
      {
         boolean exists = false;   
         
         InitialContext initialContext = new InitialContext();
         SessionFactory sessionFactory = (SessionFactory)initialContext.lookup("java:/portal/IdentitySessionFactory");
         session = sessionFactory.openSession();
         tx = session.beginTransaction();
         
         User user = this.userModule.findUserByUserName(username);
         if(user != null && user.getUserName().trim().equals(username.trim()))
         {
            exists = true;
         }
                  
         return exists;
      }
      catch(Exception e)
      {
    	  logger.error(this, e);
         throw new RuntimeException(e);
      }
      finally
      {
         tx.commit();
         session.close();
      }
   }
   
   /**
    * 
    */
   public boolean authenticate(String username, String password)
   {
      Session session = null;
      Transaction tx = null;
      try
      {
         boolean status = false;
         
         InitialContext initialContext = new InitialContext();
         SessionFactory sessionFactory = (SessionFactory)initialContext.lookup("java:/portal/IdentitySessionFactory");
         session = sessionFactory.openSession();
         tx = session.beginTransaction();
         
         User user = this.userModule.findUserByUserName(username);         
         if(user != null)
         {
            //Check and make sure the user account is enabled
            Boolean enabled = (Boolean)this.profileModule.getProperty(user, User.INFO_USER_ENABLED);
            if(enabled != null || enabled.booleanValue())
            {               
               //Now perform validation
               status = user.validatePassword(password);
            }
         }         
                  
         return status;
      }
      catch(Exception e)
      {
    	  logger.error(this, e);
         return false;
      }
      finally
      {
         tx.commit();
         session.close();
      }
   }
}