/**
* 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;
import java.util.List;
import java.util.logging.Logger;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.MessageUtils;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.apache.wss4j.common.ext.WSSecurityException;
import org.apache.wss4j.stax.ext.WSSConstants;
import org.apache.wss4j.stax.securityEvent.OperationSecurityEvent;
import org.apache.wss4j.stax.securityEvent.WSSecurityEventConstants;
import org.apache.xml.security.stax.ext.XMLSecurityConstants;
import org.apache.xml.security.stax.securityEvent.SecurityEvent;
import org.apache.xml.security.stax.securityEvent.SecurityEventConstants.Event;
/**
* This interceptor handles parsing the StaX WS-Security results (events) + checks to see
* whether the required Actions were fulfilled. If no Actions were defined in the configuration,
* then no checking is done on the received security events.
*/
public class StaxActionInInterceptor extends AbstractPhaseInterceptor<SoapMessage> {
private static final Logger LOG =
LogUtils.getL7dLogger(StaxActionInInterceptor.class);
private final List<XMLSecurityConstants.Action> inActions;
public StaxActionInInterceptor(List<XMLSecurityConstants.Action> inActions) {
super(Phase.PRE_PROTOCOL);
this.inActions = inActions;
this.getBefore().add(StaxSecurityContextInInterceptor.class.getName());
}
@Override
public void handleMessage(SoapMessage soapMessage) throws Fault {
if (inActions == null || inActions.size() == 0) {
return;
}
@SuppressWarnings("unchecked")
final List<SecurityEvent> incomingSecurityEventList =
(List<SecurityEvent>)soapMessage.get(SecurityEvent.class.getName() + ".in");
if (incomingSecurityEventList == null) {
LOG.warning("Security processing failed (actions mismatch)");
WSSecurityException ex =
new WSSecurityException(WSSecurityException.ErrorCode.SECURITY_ERROR);
throw WSS4JUtils.createSoapFault(soapMessage, soapMessage.getVersion(), ex);
}
// First check for a SOAP Fault with no security header if we are the client
if (MessageUtils.isRequestor(soapMessage)
&& isEventInResults(WSSecurityEventConstants.NO_SECURITY, incomingSecurityEventList)) {
OperationSecurityEvent securityEvent =
(OperationSecurityEvent)findEvent(
WSSecurityEventConstants.OPERATION, incomingSecurityEventList
);
if (securityEvent != null
&& soapMessage.getVersion().getFault().equals(securityEvent.getOperation())) {
LOG.warning("Request does not contain Security header, but it's a fault.");
return;
}
}
for (XMLSecurityConstants.Action action : inActions) {
Event requiredEvent = null;
if (WSSConstants.TIMESTAMP.equals(action)) {
requiredEvent = WSSecurityEventConstants.TIMESTAMP;
} else if (WSSConstants.USERNAMETOKEN.equals(action)) {
requiredEvent = WSSecurityEventConstants.USERNAME_TOKEN;
} else if (WSSConstants.SIGNATURE.equals(action)) {
requiredEvent = WSSecurityEventConstants.SignatureValue;
} else if (WSSConstants.SAML_TOKEN_SIGNED.equals(action)
|| WSSConstants.SAML_TOKEN_UNSIGNED.equals(action)) {
requiredEvent = WSSecurityEventConstants.SAML_TOKEN;
}
if (requiredEvent != null
&& !isEventInResults(requiredEvent, incomingSecurityEventList)) {
LOG.warning("Security processing failed (actions mismatch)");
WSSecurityException ex =
new WSSecurityException(WSSecurityException.ErrorCode.SECURITY_ERROR);
throw WSS4JUtils.createSoapFault(soapMessage, soapMessage.getVersion(), ex);
}
if (WSSConstants.ENCRYPT.equals(action)) {
boolean foundEncryptionPart =
isEventInResults(WSSecurityEventConstants.ENCRYPTED_PART, incomingSecurityEventList);
if (!foundEncryptionPart) {
foundEncryptionPart =
isEventInResults(WSSecurityEventConstants.EncryptedElement, incomingSecurityEventList);
}
if (!foundEncryptionPart) {
LOG.warning("Security processing failed (actions mismatch)");
WSSecurityException ex =
new WSSecurityException(WSSecurityException.ErrorCode.SECURITY_ERROR);
throw WSS4JUtils.createSoapFault(soapMessage, soapMessage.getVersion(), ex);
}
}
}
}
private boolean isEventInResults(Event event, List<SecurityEvent> incomingSecurityEventList) {
for (SecurityEvent incomingEvent : incomingSecurityEventList) {
if (event == incomingEvent.getSecurityEventType()) {
return true;
}
}
return false;
}
private SecurityEvent findEvent(Event event, List<SecurityEvent> incomingSecurityEventList) {
for (SecurityEvent incomingEvent : incomingSecurityEventList) {
if (event == incomingEvent.getSecurityEventType()) {
return incomingEvent;
}
}
return null;
}
}