| /** |
| * 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.swssf.policy.assertionStates; |
| |
| import org.apache.ws.secpolicy.AssertionState; |
| import org.apache.ws.secpolicy.WSSPolicyException; |
| import org.apache.ws.secpolicy.model.AbstractSecurityAssertion; |
| import org.apache.ws.secpolicy.model.AbstractSymmetricAsymmetricBinding; |
| import org.apache.xml.security.stax.securityEvent.EncryptedElementSecurityEvent; |
| import org.apache.xml.security.stax.securityEvent.SecurityEvent; |
| import org.apache.xml.security.stax.securityEvent.SecurityEventConstants; |
| import org.swssf.policy.Assertable; |
| import org.swssf.wss.ext.WSSConstants; |
| import org.swssf.wss.ext.WSSUtils; |
| import org.swssf.wss.securityEvent.WSSecurityEventConstants; |
| |
| import javax.xml.namespace.QName; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| /** |
| * WSP1.3, 6.4 Signature Protection Property |
| * |
| * @author $Author$ |
| * @version $Revision$ $Date$ |
| */ |
| public class SignatureProtectionAssertionState extends AssertionState implements Assertable { |
| |
| private final List<List<QName>> elementPaths = new ArrayList<List<QName>>(); |
| |
| public SignatureProtectionAssertionState(AbstractSecurityAssertion assertion, boolean asserted) { |
| super(assertion, asserted); |
| List<QName> signature11Path = new LinkedList<QName>(); |
| signature11Path.addAll(WSSConstants.SOAP_11_HEADER_PATH); |
| signature11Path.add(WSSConstants.TAG_wsse_Security); |
| signature11Path.add(WSSConstants.TAG_dsig_Signature); |
| elementPaths.add(signature11Path); |
| |
| List<QName> signatureConfirmation11Path = new LinkedList<QName>(); |
| signatureConfirmation11Path.addAll(WSSConstants.SOAP_11_HEADER_PATH); |
| signatureConfirmation11Path.add(WSSConstants.TAG_wsse_Security); |
| signatureConfirmation11Path.add(WSSConstants.TAG_wsse11_SignatureConfirmation); |
| elementPaths.add(signatureConfirmation11Path); |
| } |
| |
| @Override |
| public SecurityEventConstants.Event[] getSecurityEventType() { |
| return new SecurityEventConstants.Event[]{ |
| WSSecurityEventConstants.EncryptedElement |
| }; |
| } |
| |
| @Override |
| public boolean assertEvent(SecurityEvent securityEvent) throws WSSPolicyException { |
| EncryptedElementSecurityEvent encryptedElementSecurityEvent = (EncryptedElementSecurityEvent) securityEvent; |
| AbstractSymmetricAsymmetricBinding abstractSymmetricAsymmetricBinding = (AbstractSymmetricAsymmetricBinding) getAssertion(); |
| //todo better matching until we have a streaming xpath evaluation engine (work in progress) |
| |
| Iterator<List<QName>> pathElementsIterator = elementPaths.iterator(); |
| while (pathElementsIterator.hasNext()) { |
| List<QName> qNameList = pathElementsIterator.next(); |
| if (WSSUtils.pathMatches(qNameList, encryptedElementSecurityEvent.getElementPath(), true, false)) { |
| if (encryptedElementSecurityEvent.isEncrypted()) { |
| if (abstractSymmetricAsymmetricBinding.isEncryptSignature()) { |
| setAsserted(true); |
| return true; |
| } else { |
| setAsserted(false); |
| setErrorMessage("Element " + WSSUtils.pathAsString(encryptedElementSecurityEvent.getElementPath()) + " must not be encrypted"); |
| return false; |
| } |
| } else { |
| if (abstractSymmetricAsymmetricBinding.isEncryptSignature()) { |
| setAsserted(false); |
| setErrorMessage("Element " + WSSUtils.pathAsString(encryptedElementSecurityEvent.getElementPath()) + " must be encrypted"); |
| return false; |
| } else { |
| setAsserted(true); |
| return true; |
| } |
| } |
| } |
| } |
| //if we return false here other encrypted elements will trigger a PolicyViolationException |
| return true; |
| } |
| } |