/*******************************************************************************
*Copyright (c) 2009 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, only version 3 of the License.
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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Please contact Eucalyptus Systems, Inc., 130 Castilian
* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
* if you need additional information or have any questions.
*
* This file may incorporate work covered under the following copyright and
* permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
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* Redistribution and use of this software in source and binary forms, with
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*
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* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
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*******************************************************************************/
/*
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.ws.handlers.soap;
import java.util.Iterator;
import java.util.List;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.soap.SOAPEnvelope;
import org.apache.axiom.soap.SOAPFault;
import org.apache.axiom.soap.SOAPHeader;
import org.apache.axiom.soap.SOAPHeaderBlock;
import org.apache.log4j.Logger;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipelineCoverage;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.handler.codec.http.HttpResponseStatus;
import com.eucalyptus.binding.Binding;
import com.eucalyptus.binding.HoldMe;
import com.eucalyptus.http.MappingHttpMessage;
import com.eucalyptus.http.MappingHttpResponse;
import com.eucalyptus.ws.EucalyptusRemoteFault;
import com.eucalyptus.ws.handlers.MessageStackHandler;
import com.google.common.collect.Lists;
import edu.ucsb.eucalyptus.msgs.EucalyptusErrorMessageType;
@ChannelPipelineCoverage( "all" )
public class SoapHandler extends MessageStackHandler {
private static Logger LOG = Logger.getLogger( SoapHandler.class );
@Override
public void incomingMessage( final ChannelHandlerContext ctx, final MessageEvent event ) throws Exception {
if ( event.getMessage( ) instanceof MappingHttpMessage ) {
final MappingHttpMessage message = ( MappingHttpMessage ) event.getMessage( );
final SOAPEnvelope env = message.getSoapEnvelope( );
if ( !env.hasFault( ) ) {
message.setOmMessage( env.getBody( ).getFirstElement( ) );
} else {
final SOAPHeader header = env.getHeader( );
if(header != null) {
final List<SOAPHeaderBlock> headers = Lists.newArrayList( header.examineAllHeaderBlocks( ) );
// :: try to get the fault info from the soap header -- hello there? :://
String action = "ProblemAction";
String relatesTo = "RelatesTo";
for ( final SOAPHeaderBlock headerBlock : headers ) {
if ( action.equals( headerBlock.getLocalName( ) ) ) {
action = headerBlock.getText( );
} else if ( relatesTo.equals( headerBlock.getLocalName( ) ) ) {
relatesTo = headerBlock.getText( );
}
}
// :: process the real fault :://
final SOAPFault fault = env.getBody( ).getFault( );
if(fault != null) {
String faultReason = "";
final Iterator children = fault.getChildElements( );
while ( children.hasNext( ) ) {
final OMElement child = ( OMElement ) children.next( );
faultReason += child.getText( );
}
final String faultCode = fault.getCode( ).getText( );
faultReason = faultReason.replaceAll( faultCode, "" );
throw new EucalyptusRemoteFault( action, relatesTo, faultCode, faultReason );
}
}
}
}
}
@Override
public void outgoingMessage( final ChannelHandlerContext ctx, final MessageEvent event ) throws Exception {
if ( event.getMessage( ) instanceof MappingHttpMessage ) {
final MappingHttpMessage httpMessage = ( MappingHttpMessage ) event.getMessage( );
if( httpMessage.getMessage( ) instanceof EucalyptusErrorMessageType ) {
EucalyptusErrorMessageType errMsg = (EucalyptusErrorMessageType) httpMessage.getMessage( );
httpMessage.setSoapEnvelope( Binding.createFault( errMsg.getSource( ), errMsg.getMessage( ), errMsg.getStatusMessage( ) ) );
if( httpMessage instanceof MappingHttpResponse ) {
((MappingHttpResponse) httpMessage).setStatus( HttpResponseStatus.INTERNAL_SERVER_ERROR );
}
} else {
// :: assert sourceElem != null :://
httpMessage.setSoapEnvelope( HoldMe.getOMSOAP11Factory( ).getDefaultEnvelope( ) );
httpMessage.getSoapEnvelope( ).getBody( ).addChild( httpMessage.getOmMessage( ) );
}
}
}
}