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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.cxf.ws.security.wss4j.policyvalidators;
import java.util.Collection;
import java.util.List;
import org.w3c.dom.Element;
import org.apache.cxf.message.Message;
import org.apache.cxf.ws.policy.AssertionInfo;
import org.apache.cxf.ws.policy.AssertionInfoMap;
import org.apache.cxf.ws.security.policy.SP12Constants;
import org.apache.cxf.ws.security.policy.model.SymmetricBinding;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.WSSecurityEngineResult;
/**
* Validate a SymmetricBinding policy.
*/
public class SymmetricBindingPolicyValidator extends AbstractBindingPolicyValidator {
public boolean validatePolicy(
AssertionInfoMap aim,
Message message,
Element soapBody,
List results,
List signedResults,
List encryptedResults
) {
Collection ais = aim.get(SP12Constants.SYMMETRIC_BINDING);
if (ais == null || ais.isEmpty()) {
return true;
}
boolean hasDerivedKeys = false;
for (WSSecurityEngineResult result : results) {
Integer actInt = (Integer)result.get(WSSecurityEngineResult.TAG_ACTION);
if (actInt.intValue() == WSConstants.DKT) {
hasDerivedKeys = true;
break;
}
}
for (AssertionInfo ai : ais) {
SymmetricBinding binding = (SymmetricBinding)ai.getAssertion();
ai.setAsserted(true);
// Check the protection order
if (!checkProtectionOrder(binding, ai, results)) {
return false;
}
// Check various properties of the binding
if (!checkProperties(binding, ai, aim, results, signedResults, message)) {
return false;
}
// Check various tokens of the binding
if (!checkTokens(binding, ai, aim, hasDerivedKeys, signedResults, encryptedResults)) {
return false;
}
}
return true;
}
/**
* Check various tokens of the binding
*/
private boolean checkTokens(
SymmetricBinding binding,
AssertionInfo ai,
AssertionInfoMap aim,
boolean hasDerivedKeys,
List signedResults,
List encryptedResults
) {
if (binding.getEncryptionToken() != null) {
assertPolicy(aim, binding.getEncryptionToken());
if (!checkDerivedKeys(
binding.getEncryptionToken(), hasDerivedKeys, signedResults, encryptedResults
)) {
ai.setNotAsserted("Message fails the DerivedKeys requirement");
return false;
}
}
if (binding.getSignatureToken() != null) {
assertPolicy(aim, binding.getSignatureToken());
if (!checkDerivedKeys(
binding.getSignatureToken(), hasDerivedKeys, signedResults, encryptedResults
)) {
ai.setNotAsserted("Message fails the DerivedKeys requirement");
return false;
}
}
if (binding.getProtectionToken() != null) {
assertPolicy(aim, binding.getProtectionToken());
if (!checkDerivedKeys(
binding.getProtectionToken(), hasDerivedKeys, signedResults, encryptedResults
)) {
ai.setNotAsserted("Message fails the DerivedKeys requirement");
return false;
}
}
return true;
}
}