/**
* 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.policy.interceptors;
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.cxf.ws.policy.AssertionInfo;
import org.apache.cxf.ws.policy.AssertionInfoMap;
import org.apache.cxf.ws.policy.PolicyException;
import org.apache.cxf.ws.security.policy.PolicyUtils;
import org.apache.wss4j.policy.SP12Constants;
import org.apache.wss4j.policy.SPConstants;
/**
* Interceptor verifies critical policy security assertions for client side
*/
public class SecurityVerificationOutInterceptor extends AbstractPhaseInterceptor<SoapMessage> {
public static final SecurityVerificationOutInterceptor INSTANCE =
new SecurityVerificationOutInterceptor();
private static final Logger LOG = LogUtils.getL7dLogger(SecurityVerificationOutInterceptor.class);
public SecurityVerificationOutInterceptor() {
super(Phase.PRE_LOGICAL);
}
/**
* Checks if some security assertions are specified without binding assertion and cannot be fulfilled.
* Throw PolicyException in this case
*
* @param message
* @throws PolicyException if assertions are specified without binding
*/
public void handleMessage(SoapMessage message) throws Fault {
if (MessageUtils.isRequestor(message)) {
AssertionInfoMap aim = message.get(AssertionInfoMap.class);
if (aim != null && PolicyUtils.getSecurityBinding(aim) == null) {
AssertionInfo assertion = getSecuredPart(aim);
if (assertion != null) {
String error = String
.format("%s assertion cannot be fulfilled without binding. "
+ "At least one binding assertion (%s, %s, %s) must be specified in policy.",
assertion.getAssertion().getName(),
SP12Constants.TRANSPORT_BINDING.getLocalPart(),
SP12Constants.ASYMMETRIC_BINDING.getLocalPart(),
SP12Constants.SYMMETRIC_BINDING.getLocalPart());
assertion.setNotAsserted(error);
LOG.severe(error);
throw new PolicyException(assertion);
}
}
}
}
private AssertionInfo getSecuredPart(AssertionInfoMap aim) {
AssertionInfo assertion =
PolicyUtils.getFirstAssertionByLocalname(aim, SPConstants.SIGNED_PARTS);
if (assertion != null) {
return assertion;
}
assertion =
PolicyUtils.getFirstAssertionByLocalname(aim, SPConstants.SIGNED_ELEMENTS);
if (assertion != null) {
return assertion;
}
assertion =
PolicyUtils.getFirstAssertionByLocalname(aim, SPConstants.ENCRYPTED_PARTS);
if (assertion != null) {
return assertion;
}
assertion =
PolicyUtils.getFirstAssertionByLocalname(aim, SPConstants.ENCRYPTED_ELEMENTS);
if (assertion != null) {
return assertion;
}
assertion =
PolicyUtils.getFirstAssertionByLocalname(aim, SPConstants.CONTENT_ENCRYPTED_ELEMENTS);
if (assertion != null) {
return assertion;
}
return null;
}
}