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/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ws.extensions.security;
import java.util.ArrayList;
import java.util.Collection;
import org.apache.xml.security.exceptions.XMLSecurityException;
import org.apache.xml.security.signature.SignedInfo;
import org.apache.xml.security.signature.XMLSignature;
import org.apache.xml.security.signature.XMLSignatureException;
import org.jboss.ws.extensions.security.element.SecurityHeader;
import org.jboss.ws.extensions.security.element.SecurityProcess;
import org.jboss.ws.extensions.security.element.Signature;
import org.jboss.ws.extensions.security.exception.FailedCheckException;
import org.jboss.ws.extensions.security.exception.WSSecurityException;
import org.w3c.dom.Document;
public class SignatureVerificationOperation implements DecodingOperation
{
private SecurityHeader header;
private SecurityStore store;
public SignatureVerificationOperation(SecurityHeader header, SecurityStore store) throws WSSecurityException
{
this.header = header;
this.store = store;
}
public Collection<String> process(Document message, SecurityProcess process) throws WSSecurityException
{
Signature signature = (Signature) process;
XMLSignature xmlSig = signature.getSignature();
xmlSig.addResourceResolver(new WsuIdResolver(message));
STRTransform.setSecurityStore(store);
try
{
if (! xmlSig.checkSignatureValue(signature.getPublicKey()))
throw new FailedCheckException("Signature is invalid.");
}
catch (XMLSignatureException e)
{
throw new WSSecurityException("An unexpected error occured while verifying signature", e);
}
finally
{
STRTransform.setSecurityStore(null);
}
SignedInfo info = xmlSig.getSignedInfo();
int length = info.getLength();
Collection<String> processed = new ArrayList<String>(length);
try
{
for (int i = 0; i < length; i++)
{
String uri = info.item(i).getURI();
if (uri != null && uri.length() > 1 && uri.charAt(0)=='#')
processed.add(uri.substring(1));
}
}
catch (XMLSecurityException e)
{
throw new WSSecurityException("Could not extract references", e);
}
return processed;
}
}
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