BortalLoginModule.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
 * 
 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package fi.insomnia.bortal;

import java.util.Enumeration;

import javax.security.auth.login.LoginException;

import com.sun.appserv.security.AppservPasswordLoginModule;
import com.sun.enterprise.security.auth.realm.InvalidOperationException;
import com.sun.enterprise.security.auth.realm.NoSuchUserException;

import fi.insomnia.bortal.beans.JaasBeanRemote;

/**
 * 
 * @author nithyasubramanian SampleLoginModule - extends
 *         AppservPasswordLoginModule Sample class to be referenced by the
 *         SampleRealm class . Overrides the authenticateUser() method that
 *         authenticates the user using user-password information and calls
 *         commitUserAuthentication
 */

public class BortalLoginModule extends AppservPasswordLoginModule {

	// private static final org.slf4j.Logger logger =
	// LoggerFactory.getLogger(BortalLoginModule.class);

	/**
	 * Overrides the authenticateUser() method in AppservPasswordLoginModule
	 * Performs authentication of user
	 * 
	 * @throws javax.security.auth.login.LoginException
	 */

	protected void authenticateUser() throws LoginException {
		log((new StringBuilder()).append("CustomRealm Auth Info:_username:")
				.append(_username).append(";_password:").append(_passwd)
					.append(";_currentrealm:").append(_currentRealm).toString());

		// Check if the given realm is SampleRealm
		if (!(_currentRealm instanceof BortalRealm)) {
			throw new LoginException("Realm not SampleRealm");
		}

		JaasBeanRemote authbean = BortalRealm.getAuthBean();
		if (authbean == null) {
			throw new LoginException("Error. Could not get authentication bean!");
		}

		// Authenticate User
		BortalRealm samplerealm = (BortalRealm) _currentRealm;
		if (!authbean.authenticate(_username, new String(_passwd))) {
			// Login fails
			throw new LoginException((new StringBuilder())
					.append("customrealm:Login Failed for user  ")
						.append(_username).toString());
		}

		// Login succeeds
		log((new StringBuilder()).append("SimpleRealm:login succeeded for  ")
				.append(_username).toString());

		// Get group names for the authenticated user from the Realm class
		Enumeration<String> enumeration = null;
		String authenticatedGroups[] = new String[2];
		try {
			enumeration = samplerealm.getGroupNames(_username);
		} catch (InvalidOperationException invalidoperationexception) {
			throw new LoginException((new StringBuilder())
					.append("An InvalidOperationException was thrown " +
							"   while calling getGroupNames() on the SampleRealm ")
						.append(invalidoperationexception).toString());
		} catch (NoSuchUserException nosuchuserexception) {
			throw new LoginException((new StringBuilder())
					.append("A NoSuchUserException was thrown " +
							"   while calling getGroupNames() on the SampleRealm ")
						.append(nosuchuserexception).toString());
		}
		for (int i = 0; enumeration != null && enumeration.hasMoreElements(); i++)
			authenticatedGroups[i] = (String) enumeration.nextElement();

		// Call commitUserAuthentication with the groupNames the user belongs to
		commitUserAuthentication(authenticatedGroups);
	}

	private void log(String s) {
		System.out.println((new StringBuilder())
				.append("SimpleCustomLoginModule::").append(s).toString());
	}

}