/*
* Copyright 1999-2004 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.sandesha.server;
import org.apache.axis.AxisFault;
import org.apache.axis.MessageContext;
import org.apache.axis.components.logger.LogFactory;
import org.apache.axis.message.addressing.AddressingHeaders;
import org.apache.commons.logging.Log;
import org.apache.sandesha.Constants;
import org.apache.sandesha.IStorageManager;
import org.apache.sandesha.RMMessageContext;
import org.apache.sandesha.client.ClientStorageManager;
import org.apache.sandesha.ws.rm.RMHeaders;
import org.apache.sandesha.ws.rm.Sequence;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPException;
/**
* This will validate all the incoming messages receiving through the RMProvider.
*
* @author Jaliya Ekanayake
*/
public final class MessageValidator {
private static IStorageManager storageMgr;
private static final Log log = LogFactory.getLog(MessageValidator.class.getName());
public static void validate(RMMessageContext rmMsgContext, boolean client) throws AxisFault {
if (client)
storageMgr = new ClientStorageManager();
else
storageMgr = new ServerStorageManager();
MessageContext msgContext = rmMsgContext.getMsgContext();
try {
AddressingHeaders aHeaders = (AddressingHeaders) rmMsgContext.getMsgContext()
.getProperty(org.apache.axis.message.addressing.Constants.ENV_ADDRESSING_REQUEST_HEADERS);
if (aHeaders == null)
throw new AxisFault(new QName(Constants.FaultCodes.IN_CORRECT_MESSAGE),
Constants.FaultMessages.NO_ADDRESSING_HEADERS, null, null);
AddressingHeaders addrHeaders = new AddressingHeaders(msgContext.getRequestMessage().getSOAPEnvelope());
validateAddrHeaders(addrHeaders);
rmMsgContext.setAddressingHeaders(addrHeaders);
RMHeaders rmHeaders = new RMHeaders();
rmHeaders.fromSOAPEnvelope(msgContext.getRequestMessage().getSOAPEnvelope());
validateRMHeaders(rmHeaders);
rmMsgContext.setRMHeaders(rmHeaders);
validateForFaults(rmMsgContext);
} catch (SOAPException e) {
log.error(e);
throw new AxisFault(new QName(Constants.FaultCodes.IN_CORRECT_MESSAGE), e.getMessage(),
null, null);
} catch (Exception e) {
log.error(e);
throw new AxisFault(new QName(Constants.FaultCodes.IN_CORRECT_MESSAGE), e.getMessage(),
null, null);
}
}
private static void validateRMHeaders(RMHeaders rmHeaders) throws AxisFault {
if (rmHeaders.getSequence() != null)
return;
if (rmHeaders.getAckRequest() != null)
return;
if (rmHeaders.getSequenceAcknowledgement() != null)
return;
if (rmHeaders.getTerminateSequence() != null)
return;
if (rmHeaders.getCreateSequence() != null)
return;
if (rmHeaders.getCreateSequenceResponse() != null)
return;
throw new AxisFault(new QName(Constants.FaultCodes.IN_CORRECT_MESSAGE),
Constants.FaultMessages.NO_RM_HEADES, null, null);
}
private static void validateForFaults(RMMessageContext rmMsgCtx) throws AxisFault {
RMHeaders rmHeaders = rmMsgCtx.getRMHeaders();
Sequence sequence = rmHeaders.getSequence();
if (sequence != null) {
String seqId = sequence.getIdentifier().getIdentifier();
if (!storageMgr.isRequestedSeqPresent(seqId)) {
throw new AxisFault(new QName(Constants.FaultCodes.WSRM_FAULT_UNKNOWN_SEQUENCE),
Constants.FaultMessages.UNKNOWN_SEQUENCE, null, null);
}
if (sequence.getMessageNumber() != null) {
long msgNo = sequence.getMessageNumber().getMessageNumber();
if (storageMgr.hasLastIncomingMsgReceived(sequence.getIdentifier().getIdentifier())) {
long lastMsg = storageMgr.getLastIncomingMsgNo(seqId);
if (msgNo > lastMsg)
throw new AxisFault(new QName(Constants.FaultCodes.WSRM_FAULR_LAST_MSG_NO_EXCEEDED),
Constants.FaultMessages.LAST_MSG_NO_EXCEEDED, null, null);
}
}
}
}
private static void validateAddrHeaders(AddressingHeaders addrHeaders) throws AxisFault {
if (addrHeaders == null)
throw new AxisFault(new QName(Constants.FaultCodes.IN_CORRECT_MESSAGE),
Constants.FaultMessages.NO_ADDRESSING_HEADERS, null, null);
if (addrHeaders.getTo() == null)
throw new AxisFault(new QName(Constants.FaultCodes.IN_CORRECT_MESSAGE),
Constants.FaultMessages.NO_TO, null, null);
if (addrHeaders.getAction() == null)
throw new AxisFault(new QName(Constants.FaultCodes.IN_CORRECT_MESSAGE),
Constants.FaultMessages.NO_TO, null, null);
}
}