001/**
002 * Copyright 2005-2017 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.ksb.messaging.servicehandlers;
017
018import java.io.IOException;
019
020import javax.security.auth.callback.Callback;
021import javax.security.auth.callback.CallbackHandler;
022import javax.security.auth.callback.UnsupportedCallbackException;
023import javax.xml.namespace.QName;
024
025import org.apache.wss4j.common.ext.WSPasswordCallback;
026import org.kuali.rice.core.api.exception.RiceRuntimeException;
027import org.kuali.rice.ksb.service.KSBServiceLocator;
028
029/**
030 * CallbackHandler that verifies the password and username is correct for a service
031 * secured with basic authentication.
032 *
033 * @author Kuali Rice Team (rice.collab@kuali.org)
034 */
035public class BasicAuthenticationHandler implements CallbackHandler {
036
037    private String serviceNameSpaceURI;
038    private QName localServiceName;
039
040    /**
041     * Initialize the BasicAuthenticationHandler with the serviceNameSpaceURI and localServiceName
042     *
043     * @param serviceNameSpaceURI the serviceNameSpaceURI to use
044     * @param serviceName the serviceName to use
045     */
046    public BasicAuthenticationHandler(String serviceNameSpaceURI, QName serviceName) {
047        this.serviceNameSpaceURI = serviceNameSpaceURI;
048        this.localServiceName = serviceName;
049    }
050
051    /**
052     * @param callbacks an array of Callback objects
053     * @throws RiceRuntimeException if the username or password is invalid
054     * @see javax.security.auth.callback.CallbackHandler#handle(javax.security.auth.callback.Callback[])
055     */
056    public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
057        if (callbacks[0] != null && callbacks[0] instanceof WSPasswordCallback) {
058            WSPasswordCallback pc = (WSPasswordCallback) callbacks[0];
059            String password = KSBServiceLocator.getBasicAuthenticationService().getPasswordForService(this.serviceNameSpaceURI,
060                    this.localServiceName, pc.getIdentifier());
061            pc.setPassword(password);
062        }
063    }
064}