BortalLoginModule.java

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package fi.insomnia.bortal;

import java.util.ArrayList;
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;

/**
 * 
 * @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
	 */

	@Override
	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");
		}

		RealmBeanRemote 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;
		try {
			enumeration = samplerealm.getGroupNames(_username);
		} catch (InvalidOperationException invalidoperationexception) {
			throw new LoginException(
					(new StringBuilder())
							.append("An InvalidOperationException was thrown "
							).append("   while calling getGroupNames() on the SampleRealm ")
							.append(invalidoperationexception).toString());
		} catch (NoSuchUserException nosuchuserexception) {
			throw new LoginException(
					(new StringBuilder())
							.append("A NoSuchUserException was thrown "
							).append("   while calling getGroupNames() on the SampleRealm ")
							.append(nosuchuserexception).toString());
		}
		ArrayList<String> authenticatedGroups = new ArrayList<String>();

		if (enumeration != null) {
			while (enumeration.hasMoreElements()) {
				authenticatedGroups.add(enumeration.nextElement());
			}
		}

		// Call commitUserAuthentication with the groupNames the user belongs to
		String[] groups = authenticatedGroups.toArray(new String[authenticatedGroups.size()]);
		// System.out.println("groups: " + groups.length);
		// for (String str : groups) {
		// System.out.println("Str " + str);
		// }
		commitUserAuthentication(groups);

	}

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

}