/*******************************************************************************
*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
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* 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.
*
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* permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
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* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
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* 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.wssecurity;
import java.util.Collection;
import java.util.Vector;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMException;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.axiom.soap.SOAPEnvelope;
import org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder;
import org.apache.log4j.Logger;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.WSEncryptionPart;
import org.apache.ws.security.WSSecurityException;
import org.apache.ws.security.message.WSSecHeader;
import org.apache.ws.security.message.WSSecSignature;
import org.apache.ws.security.message.WSSecTimestamp;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipelineCoverage;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.MessageEvent;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import com.eucalyptus.binding.HoldMe;
import com.eucalyptus.http.MappingHttpMessage;
import com.eucalyptus.ws.handlers.MessageStackHandler;
import com.eucalyptus.ws.util.CredentialProxy;
@ChannelPipelineCoverage( "all" )
public abstract class WsSecHandler extends MessageStackHandler {
private static Logger LOG = Logger.getLogger( WsSecHandler.class );
private final CredentialProxy credentials;
public WsSecHandler( final CredentialProxy credentials ) {
this.credentials = credentials;
}
@Override
public void outgoingMessage( final ChannelHandlerContext ctx, final MessageEvent event ) {
final Object o = event.getMessage( );
if ( o instanceof MappingHttpMessage ) {
try {
final MappingHttpMessage httpRequest = ( MappingHttpMessage ) o;
OMElement elem = null;
Document doc = null;
SOAPEnvelope env = httpRequest.getSoapEnvelope( );
HoldMe.canHas.lock( );
try {
final StAXOMBuilder doomBuilder = HoldMe.getStAXOMBuilder( HoldMe.getDOOMFactory( ), env.getXMLStreamReader( ) );
elem = doomBuilder.getDocumentElement( );
elem.build( );
doc = ( ( Element ) elem ).getOwnerDocument( );
} finally {
HoldMe.canHas.unlock( );
}
final Vector v = new Vector( );
final WSSecHeader wsheader = new WSSecHeader( "", false );
wsheader.insertSecurityHeader( doc );
final WSSecSignature signer = new WSSecSignature( );
signer.setKeyIdentifierType( WSConstants.BST_DIRECT_REFERENCE );
signer.setSigCanonicalization( WSConstants.C14N_EXCL_OMIT_COMMENTS );
try {
signer.prepare( doc, this.credentials, wsheader );
} catch ( WSSecurityException e ) {
LOG.error( e, e );
Channels.fireExceptionCaught( ctx, e );
}
if ( this.shouldTimeStamp( ) ) {
final WSSecTimestamp ts = new WSSecTimestamp( );
ts.setTimeToLive( 300 );
ts.prepare( doc );
ts.prependToHeader( wsheader );
}
v.addAll( this.getSignatureParts( ) );
signer.appendBSTElementToHeader( wsheader );
signer.appendToHeader( wsheader );
try {
signer.addReferencesToSign( v, wsheader );
} catch ( WSSecurityException e ) {
LOG.error( e, e );
Channels.fireExceptionCaught( ctx, e );
}
try {
signer.computeSignature( );
} catch ( WSSecurityException e ) {
LOG.error( e, e );
Channels.fireExceptionCaught( ctx, e );
}
SOAPEnvelope envelope = null;
HoldMe.canHas.lock( );
try {
final StAXSOAPModelBuilder stAXSOAPModelBuilder = new StAXSOAPModelBuilder( elem.getXMLStreamReader( ), HoldMe.getOMSOAP11Factory( ), null );
envelope = stAXSOAPModelBuilder.getSOAPEnvelope( );
if(envelope != null)
envelope.build( );
} finally {
HoldMe.canHas.unlock( );
}
httpRequest.setSoapEnvelope( envelope );
} catch ( OMException e ) {
LOG.error( e, e );
Channels.fireExceptionCaught( ctx, e );
}
}
}
public abstract Collection<WSEncryptionPart> getSignatureParts( );
public abstract boolean shouldTimeStamp( );
@Override
public void incomingMessage( final ChannelHandlerContext ctx, final MessageEvent event ) throws Exception {
}
}