BortalRealm.java

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package fi.insomnia.bortal;

import java.util.Enumeration;
import java.util.Properties;

import javax.naming.InitialContext;
import javax.naming.NamingException;

import com.sun.appserv.security.AppservRealm;
import com.sun.enterprise.security.auth.realm.BadRealmException;
import com.sun.enterprise.security.auth.realm.InvalidOperationException;
import com.sun.enterprise.security.auth.realm.NoSuchRealmException;
import com.sun.enterprise.security.auth.realm.NoSuchUserException;

/**
 * 
 * @author nithyasubramanian SampleRealm - class extending AppservRealm Sample
 *         Custom Realm Class that stores user-group information
 */

public class BortalRealm extends AppservRealm {

	// private static final Logger logger =
	// LoggerFactory.getLogger(BortalRealm.class);

	private static final String JAAS_BEAN_JNDI = "java:global/LanBortal/LanBortalBeans/JaasBean!fi.insomnia.bortal.beans.JaasBeanRemote";

	/**
	 * Initialization - set the jaas-context property, Set UserA to devGroup and
	 * user B to testGroup
	 * 
	 * @param properties
	 *            - Key-Value pairs defined in the Realm
	 * @throws com.sun.enterprise.security.auth.realm.BadRealmException
	 * @throws com.sun.enterprise.security.auth.realm.NoSuchRealmException
	 */
	@Override
	public void init(Properties properties)
			throws BadRealmException, NoSuchRealmException {
		super.init(properties);
		log("Init BortalRealm");
		String propJaasContext = properties.getProperty(JAAS_CONTEXT_PARAM);
		if (propJaasContext != null) {
			setProperty(JAAS_CONTEXT_PARAM, propJaasContext);
		}

	}

	/**
	 * 
	 * @return authType
	 */
	@Override
	public String getAuthType() {
		return "Omnia Lan system authentication Realm";
	}

	/**
	 * 
	 * @param user
	 * @return Enumeration - List of groups to which user belongs
	 * @throws com.sun.enterprise.security.auth.realm.InvalidOperationException
	 * @throws com.sun.enterprise.security.auth.realm.NoSuchUserException
	 */
	@Override
	public Enumeration<String> getGroupNames(String user)
			throws InvalidOperationException, NoSuchUserException {

		return getAuthBean().getGroupNames(user);
	}

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

	public static RealmBeanRemote getAuthBean() {
		Object beanObj = null;
		try {
			beanObj = new InitialContext().lookup(JAAS_BEAN_JNDI);
		} catch (NamingException e) {
			log("Error fetching LoginHandlerRemote bean from initial context");
			e.printStackTrace();
			return null;
		}
		if (beanObj instanceof RealmBeanRemote) {
			return (RealmBeanRemote) beanObj;
		}
		return null;

	}

}