/*
* Copyright 2003-2004 The Apache Software Foundation.
*
* Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
*
* 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.apache.ws.axis.security.trust;
import org.apache.axis.AxisFault;
import org.apache.axis.Message;
import org.apache.axis.MessageContext;
import org.apache.axis.SOAPPart;
import org.apache.axis.handlers.BasicHandler;
import org.apache.axis.message.SOAPEnvelope;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ws.security.trust.STSManager;
import org.apache.xml.security.utils.XMLUtils;
import org.w3c.dom.Document;
import javax.xml.soap.SOAPHeader;
import java.io.ByteArrayOutputStream;
/**
* @author Malinda Kaushalye
* <p/>
* <p/>
* <code>STSServerHandler</code> is a handler which resides in the response path
* of the Security Token Service end.
* <code>STSServerHandler</code> currently performs following tasks
* <ul>
* <li>
* Get the request from the message context
* </li>
* <li>
* Create an <code>STSManager</code> and handover the task to be carried out.
* </li>
* <li>
* Get the resulted SOAP enevelop from <code>STSManager</code>
* </li>
* <li>
* Set the current message of the message context
* </li>
* <p/>
* </ul>
*/
public class STSServerHandler extends BasicHandler {
static Log log = LogFactory.getLog(STSServerHandler.class.getName());
public STSServerHandler() {
}
/**
* Invoke method of handler
*/
public void invoke(MessageContext msgCntxt) throws AxisFault {
log.debug("STSServerHandler: invoked");
if (msgCntxt.getPastPivot()) {
doRequest(msgCntxt);
} else {
}
}
/**
* Processing the outgoing msg
*
* @param msgCntxt
* @throws AxisFault
*/
private void doRequest(MessageContext msgCntxt) throws AxisFault {
log.debug("STSServerHandler: doRequest");
SOAPHeader sHeader = null;
//get the request msg
Message smReq = msgCntxt.getRequestMessage();
//get the response msg
Message smCurr = msgCntxt.getCurrentMessage();
//get the request msg as a SOAP part
SOAPPart sPartReq = (org.apache.axis.SOAPPart) smReq.getSOAPPart();
//get the response msg as a SOAP part
SOAPPart sPartRes = (org.apache.axis.SOAPPart) smCurr.getSOAPPart();
Document docReq, docRes = null;
try {
//initialize xml security
org.apache.xml.security.Init.init();
docReq = ((SOAPEnvelope) sPartReq.getEnvelope()).getAsDocument();
docRes = ((SOAPEnvelope) sPartRes.getEnvelope()).getAsDocument();
ByteArrayOutputStream osReq = new ByteArrayOutputStream();
XMLUtils.outputDOM(docReq, osReq, true);
ByteArrayOutputStream osRes = new ByteArrayOutputStream();
XMLUtils.outputDOM(docRes, osRes, true);
//creates an STSManager and handover server-config.wsdd parameters in a hash table
log.debug("STSServerHandler: calling STSManager");
STSManager stsMgr =
new STSManager(this.getOptions());
docRes = stsMgr.handleRequest(docReq, docRes);
log.debug("STSServerHandler: STSManager has done the job");
ByteArrayOutputStream os = new ByteArrayOutputStream();
XMLUtils.outputDOM(docRes, os, true);
//modify the current message
sPartRes.setCurrentMessage(os.toByteArray(), SOAPPart.FORM_BYTES);
//set current message to the context
msgCntxt.setCurrentMessage(sPartRes.getMessage());
} catch (Exception ex) {
throw new AxisFault("STSServerHandler-dorequest:Response failed due to a problem in issuence process",
ex);
}
}
}