/*

  * Copyright 2006-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.ksb.security.soap;

 import java.util.Properties;

 import org.apache.cxf.binding.soap.SoapMessage;

 import org.apache.cxf.ws.security.wss4j.WSS4JOutInterceptor;

 import org.apache.log4j.Logger;

 import org.apache.ws.security.components.crypto.Crypto;

 import org.apache.ws.security.components.crypto.Merlin;

 import org.apache.ws.security.handler.RequestData;

 import org.apache.ws.security.handler.WSHandlerConstants;

 import org.kuali.rice.core.api.config.property.ConfigContext;

 import org.kuali.rice.core.api.exception.RiceRuntimeException;

 import org.kuali.rice.core.util.ClassLoaderUtils;

 import org.kuali.rice.ksb.config.wss4j.CryptoPasswordCallbackHandler;

 /**

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class CXFWSS4JOutInterceptor extends WSS4JOutInterceptor {

         private static final Logger LOG = Logger.getLogger(CXFWSS4JOutInterceptor.class);

         private final boolean busSecurity;

         public CXFWSS4JOutInterceptor(boolean busSecurity) {

                 this.busSecurity = busSecurity;

                 this.setProperty(WSHandlerConstants.ACTION, WSHandlerConstants.SIGNATURE);

                 this.setProperty(WSHandlerConstants.PW_CALLBACK_CLASS, CryptoPasswordCallbackHandler.class.getName());

                 this.setProperty(WSHandlerConstants.SIG_KEY_ID, "IssuerSerial");

                 this.setProperty(WSHandlerConstants.USER, ConfigContext.getCurrentContextConfig().getKeystoreAlias());

         }

         @Override

         public Crypto loadSignatureCrypto(RequestData reqData) {

                 try {

                         return new Merlin(getMerlinProperties(), ClassLoaderUtils.getDefaultClassLoader());

                 } catch (Exception e) {

                         throw new RiceRuntimeException(e);

                 }

         }

         @Override

         public Crypto loadDecryptionCrypto(RequestData reqData) {

                 return loadSignatureCrypto(reqData);

         }

         protected Properties getMerlinProperties() {

                 Properties props = new Properties();

                 props.put("org.apache.ws.security.crypto.merlin.keystore.type", "jks");

                 props.put("org.apache.ws.security.crypto.merlin.keystore.password", ConfigContext.getCurrentContextConfig().getKeystorePassword());

                 props.put("org.apache.ws.security.crypto.merlin.alias.password", ConfigContext.getCurrentContextConfig().getKeystorePassword());

                 props.put("org.apache.ws.security.crypto.merlin.keystore.alias", ConfigContext.getCurrentContextConfig().getKeystoreAlias());

                 props.put("org.apache.ws.security.crypto.merlin.file", ConfigContext.getCurrentContextConfig().getKeystoreFile());

                 if (LOG.isDebugEnabled()) {

                         LOG.debug("Using keystore location " + ConfigContext.getCurrentContextConfig().getKeystoreFile());

                 }

                 return props;

         }

         /**

          * This overridden method will not apply security headers if bus security is disabled.

          * 

          * @see org.apache.cxf.ws.security.wss4j.WSS4JOutInterceptor#handleMessage(org.apache.cxf.binding.soap.SoapMessage)

          */

         @Override

         public void handleMessage(SoapMessage mc) {

                 if (busSecurity) {

                         super.handleMessage(mc);

                 }

         }

 }