JASPICallbackHandler.java

/*
 * JOSSO: Java Open Single Sign-On
 *
 * Copyright 2004-2009, Atricore, Inc.
 *
 * 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.jaspi.agent;

import java.io.IOException;

import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.auth.message.callback.CallerPrincipalCallback;
import javax.security.auth.message.callback.GroupPrincipalCallback;
import javax.security.auth.message.callback.PasswordValidationCallback;

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

/**
 * Callback handler for JASPI Web Profile.
 */
public class JASPICallbackHandler implements CallbackHandler {

	private static final Log log = LogFactory.getLog(JASPICallbackHandler.class);
	
	private CallerPrincipalCallback callerPrincipalCallback;
	private PasswordValidationCallback passwordValidationCallback;
	private GroupPrincipalCallback groupPrincipalCallback;
	
	public void handle(Callback[] callbacks) throws IOException,
			UnsupportedCallbackException {
		if (callbacks.length > 0) {
			for (Callback callback : callbacks) {
				if (callback instanceof CallerPrincipalCallback) {
					callback = this.callerPrincipalCallback;
				} else if (callback instanceof PasswordValidationCallback) {
					callback = this.passwordValidationCallback;
				} else if (callback instanceof GroupPrincipalCallback) {
					callback = this.groupPrincipalCallback;
				} else
					log.trace("Callback "
							+ callback.getClass().getCanonicalName()
							+ " not supported");
			}
		}
	}

	/**
	 * @return the callerPrincipalCallback
	 */
	public CallerPrincipalCallback getCallerPrincipalCallback() {
		return callerPrincipalCallback;
	}

	/**
	 * @param callerPrincipalCallback the callerPrincipalCallback to set
	 */
	public void setCallerPrincipalCallback(
			CallerPrincipalCallback callerPrincipalCallback) {
		this.callerPrincipalCallback = callerPrincipalCallback;
	}

	/**
	 * @return the passwordValidationCallback
	 */
	public PasswordValidationCallback getPasswordValidationCallback() {
		return passwordValidationCallback;
	}

	/**
	 * @param passwordValidationCallback the passwordValidationCallback to set
	 */
	public void setPasswordValidationCallback(
			PasswordValidationCallback passwordValidationCallback) {
		this.passwordValidationCallback = passwordValidationCallback;
	}

	/**
	 * @return the groupPrincipalCallback
	 */
	public GroupPrincipalCallback getGroupPrincipalCallback() {
		return groupPrincipalCallback;
	}

	/**
	 * @param groupPrincipalCallback the groupPrincipalCallback to set
	 */
	public void setGroupPrincipalCallback(
			GroupPrincipalCallback groupPrincipalCallback) {
		this.groupPrincipalCallback = groupPrincipalCallback;
	}

}