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/*
* Copyright (c) 2010, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/*
* SignaturePolicyVerifier.java
*
* Created on August 7, 2005, 9:06 PM
*/
package com.sun.xml.wss.impl.policy.verifier;
import com.sun.xml.wss.impl.PolicyTypeUtil;
import com.sun.xml.wss.impl.PolicyViolationException;
import com.sun.xml.wss.impl.policy.spi.PolicyVerifier;
import com.sun.xml.wss.impl.policy.SecurityPolicy;
import com.sun.xml.wss.impl.policy.mls.AuthenticationTokenPolicy.SAMLAssertionBinding;
import com.sun.xml.wss.impl.policy.mls.AuthenticationTokenPolicy.X509CertificateBinding;
import com.sun.xml.wss.impl.policy.mls.SignaturePolicy;
import com.sun.xml.wss.impl.FilterProcessingContext;
import com.sun.xml.wss.impl.WSSAssertion;
import com.sun.xml.wss.impl.MessageConstants;
/**
*
* @author [email protected]
*/
public class SignaturePolicyVerifier implements PolicyVerifier{
FilterProcessingContext context;
/** Creates a new instance of SignaturePolicyVerifier */
public SignaturePolicyVerifier (FilterProcessingContext context) {
this.context = context;
}
/**
*
* @param configPolicy Policy configured for the incoming message.
* @param recvdPolicy policy inferred from the incoming message.
* @throws PolicyViolationException when policy infered from incoming message does not match with what
* is configured.
*
*/
/*
* Note : Right now we dont check Signature Target requirements here. We should come up
* with a better and yet performant design as policy requirements get clear.
*
*/
public void verifyPolicy (SecurityPolicy configPolicy, SecurityPolicy recvdPolicy) throws PolicyViolationException {
if(PolicyTypeUtil.signaturePolicy (configPolicy) && PolicyTypeUtil.signaturePolicy (recvdPolicy)){
SignaturePolicy rsignPolicy = (SignaturePolicy)recvdPolicy;
SignaturePolicy csignPolicy = (SignaturePolicy)configPolicy;
SignaturePolicy.FeatureBinding rfBinding = (SignaturePolicy.FeatureBinding)rsignPolicy.getFeatureBinding ();
SignaturePolicy.FeatureBinding cfBinding = (SignaturePolicy.FeatureBinding)csignPolicy.getFeatureBinding ();
String cCanonAlgo = cfBinding.getCanonicalizationAlgorithm ();
String rCanonAlgo = rfBinding.getCanonicalizationAlgorithm ();
if(cCanonAlgo == null || rCanonAlgo == null ){
throw new PolicyViolationException("Either Policy configured or Policy inferred is null "
+"while verifying inferredPolicy with configuredPolicy");
}
if(cCanonAlgo.length () >0 && rCanonAlgo.length () >0 ){
if(!rCanonAlgo.equals (cCanonAlgo)){
throw new PolicyViolationException ("Receiver side requirement verification failed,"+
" canonicalization algorithm received in the message is "+ rfBinding.getCanonicalizationAlgorithm ()
+ " policy requires "+cfBinding.getCanonicalizationAlgorithm ());
}
}
/*
WSSPolicy ckeyBinding = (WSSPolicy) csignPolicy.getKeyBinding ();
if(ckeyBinding != null){
String cKeyType = ckeyBinding.getType ();
WSSPolicy rkeyBinding = (WSSPolicy) rsignPolicy.getKeyBinding ();
if(rkeyBinding == null){
throw new PolicyViolationException ("KeyType used to sign the message doesnot match with " +
" the receiver side requirements. Configured KeyType is "+ckeyBinding+
" KeyType inferred from the message is "+ rkeyBinding);
}
String rKeyType = rkeyBinding.getType ();
//TODO: Verification of KeyBinding later
if(rKeyType != cKeyType){
throw new PolicyViolationException ("KeyType used to sign the message doesnot match with " +
" the receiver side requirements. Configured KeyType is "+ckeyBinding+
" KeyType inferred from the message is "+ rkeyBinding);
//log propert error message.
}
if(cKeyType == PolicyTypeUtil.SAMLASSERTION_TYPE){
// checkSAMLAssertionBinding ((SAMLAssertionBinding)ckeyBinding,(SAMLAssertionBinding)rkeyBinding);
}else if(cKeyType == PolicyTypeUtil.X509CERTIFICATE_TYPE ){
checkX509CertificateBinding ((X509CertificateBinding)ckeyBinding,(X509CertificateBinding)rkeyBinding);
}
}*/
}
}
/**
* verifies whether the configured and received policies are same or not
* @param configPolicy SAMLAssertionBinding
* @param recvdPolicy SAMLAssertionBinding
* @throws com.sun.xml.wss.impl.PolicyViolationException
*/
private void checkSAMLAssertionBinding (SAMLAssertionBinding configPolicy , SAMLAssertionBinding recvdPolicy)throws PolicyViolationException {
boolean matched = true;
String _cAI = configPolicy.getAuthorityIdentifier ();
String _rAI = recvdPolicy.getAuthorityIdentifier ();
if((_cAI != null && _cAI.length () > 0 ) && _rAI != null){
matched = _cAI.equals (_rAI);
_throwError (configPolicy,recvdPolicy,matched);
}
}
/**
* verifies whether the configured and received policies are same or not
* @param configPolicy X509CertificateBinding
* @param recvdPolicy X509CertificateBinding
* @throws com.sun.xml.wss.impl.PolicyViolationException
*/
private void checkX509CertificateBinding (X509CertificateBinding configPolicy , X509CertificateBinding recvdPolicy)throws PolicyViolationException {
boolean matched = true;
configPolicy = setReferenceType(configPolicy);
String ckeyAlg = configPolicy.getKeyAlgorithm ();
String rkeyAlg = recvdPolicy.getKeyAlgorithm ();
if(ckeyAlg != null && ckeyAlg.length () > 0 && rkeyAlg.length () > 0){
matched = ckeyAlg.equals (rkeyAlg);
}
_throwError (configPolicy,recvdPolicy,matched);
/*String cRT = configPolicy.getReferenceType ();
String rRT = recvdPolicy.getReferenceType ();
if(cRT != null && cRT.length () > 0 ){
matched = cRT.equals (rRT);
}
_throwError (configPolicy,recvdPolicy,matched);*/
String cVT = configPolicy.getValueType ();
String rVT = recvdPolicy.getValueType ();
if(cVT != null && cVT.length () > 0 && rVT.length () >0){
matched = cVT.equals (rVT);
}
_throwError (configPolicy,recvdPolicy,matched);
/*
String cCI = configPolicy.getCertificateIdentifier ();
String rCI = recvdPolicy.getCertificateIdentifier ();
if(cCI != null && cCI.length () > 0 ){
matched = cCI.equals (rCI);
}
_throwError (configPolicy,recvdPolicy,matched);
*/
/*if(!matched){
throw new PolicyViolationException ("KeyType used to sign the message doesnot match with " +
" the receiver side requirements. Configured KeyType is "+configPolicy+
" KeyType inferred from the message is "+ recvdPolicy);
}*/
}
/**
* throws policy violation exception if the received policy and configured policy do not match
* @param configPolicy SecurityPolicy
* @param recvdPolicy SecurityPolicy
* @param matched boolean
* @throws com.sun.xml.wss.impl.PolicyViolationException
*/
private final void _throwError (SecurityPolicy configPolicy, SecurityPolicy recvdPolicy, boolean matched)throws PolicyViolationException {
if(!matched){
throw new PolicyViolationException ("KeyType used to sign the message doesnot match with " +
" the receiver side requirements. Configured KeyType is "+configPolicy+
" KeyType inferred from the message is "+ recvdPolicy);
}
}
/**
* sets the reference type like Direct type or Thumbprint type in the configPolicy
* @param configPolicy X509CertificateBinding
* @return configPolicy X509CertificateBinding
*/
private X509CertificateBinding setReferenceType(X509CertificateBinding configPolicy){
//Token policyToken = configPolicy.getPolicyToken();
//if (policyToken != null) {
if (configPolicy.policyTokenWasSet()) {
if(configPolicy.INCLUDE_NEVER.equals(configPolicy.getIncludeToken()) ||
configPolicy.INCLUDE_NEVER_VER2.equals(configPolicy.getIncludeToken())){
WSSAssertion wssAssertion = context.getWSSAssertion();
if(MessageConstants.DIRECT_REFERENCE_TYPE.equals(configPolicy.getReferenceType())){
if(wssAssertion != null){
if(wssAssertion.getRequiredProperties().contains(WSSAssertion.MUST_SUPPORT_REF_KEYIDENTIFIER))
configPolicy.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
else if(wssAssertion.getRequiredProperties().contains(WSSAssertion.MUSTSUPPORT_REF_THUMBPRINT))
configPolicy.setReferenceType(MessageConstants.THUMB_PRINT_TYPE);
} else{
// when wssAssertion is not set use KeyIdentifier
configPolicy.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
}
}
}
}
return configPolicy;
}
}