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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.ArrayList;
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.SPConstants;
import org.apache.cxf.ws.security.policy.model.X509Token;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.WSSecurityEngineResult;
import org.apache.ws.security.message.token.BinarySecurity;
import org.apache.ws.security.util.WSSecurityUtil;
/**
* Validate an X509 Token policy.
*/
public class X509TokenPolicyValidator extends AbstractTokenPolicyValidator implements TokenPolicyValidator {
private static final String X509_V3_VALUETYPE = WSConstants.X509TOKEN_NS + "#X509v3";
private static final String PKI_VALUETYPE = WSConstants.X509TOKEN_NS + "#X509PKIPathv1";
public boolean validatePolicy(
AssertionInfoMap aim,
Message message,
Element soapBody,
List results,
List signedResults
) {
Collection ais = aim.get(SP12Constants.X509_TOKEN);
if (ais == null || ais.isEmpty()) {
return true;
}
List bstResults = new ArrayList();
WSSecurityUtil.fetchAllActionResults(results, WSConstants.BST, bstResults);
for (AssertionInfo ai : ais) {
X509Token x509TokenPolicy = (X509Token)ai.getAssertion();
ai.setAsserted(true);
if (!isTokenRequired(x509TokenPolicy, message)) {
continue;
}
if (bstResults.isEmpty()) {
ai.setNotAsserted(
"The received token does not match the token inclusion requirement"
);
return false;
}
if (!checkTokenType(x509TokenPolicy.getTokenVersionAndType(), bstResults)) {
ai.setNotAsserted("An incorrect X.509 Token Type is detected");
return false;
}
}
return true;
}
/**
* Check that at least one received token matches the token type.
*/
private boolean checkTokenType(
String requiredVersionAndType,
List bstResults
) {
if (bstResults.isEmpty()) {
return false;
}
String requiredType = X509_V3_VALUETYPE;
if (SPConstants.WSS_X509_PKI_PATH_V1_TOKEN10.equals(requiredType)
|| SPConstants.WSS_X509_PKI_PATH_V1_TOKEN11.equals(requiredType)) {
requiredType = PKI_VALUETYPE;
}
for (WSSecurityEngineResult result : bstResults) {
BinarySecurity binarySecurityToken =
(BinarySecurity)result.get(WSSecurityEngineResult.TAG_BINARY_SECURITY_TOKEN);
if (binarySecurityToken != null) {
String type = binarySecurityToken.getValueType();
if (requiredType.equals(type)) {
return true;
}
}
}
return false;
}
}