org.apache.cxf.ws.security.trust.delegation.ReceivedTokenCallbackHandler Maven / Gradle / Ivy
/**
* 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.trust.delegation;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.util.List;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import org.w3c.dom.Element;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.PhaseInterceptorChain;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.WSSecurityEngineResult;
import org.apache.ws.security.handler.WSHandlerConstants;
import org.apache.ws.security.handler.WSHandlerResult;
import org.apache.ws.security.message.token.BinarySecurity;
import org.apache.ws.security.message.token.UsernameToken;
import org.apache.ws.security.saml.ext.AssertionWrapper;
/**
* This CallbackHandler implementation obtains the previously received message from a
* DelegationCallback object, and obtains a received token
* (SAML/UsernameToken/BinarySecurityToken) from it to be used as the delegation token.
*/
public class ReceivedTokenCallbackHandler implements CallbackHandler {
@SuppressWarnings("unchecked")
public void handle(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
for (int i = 0; i < callbacks.length; i++) {
if (callbacks[i] instanceof DelegationCallback) {
DelegationCallback callback = (DelegationCallback) callbacks[i];
Message message = callback.getCurrentMessage();
if (message != null
&& message.get(PhaseInterceptorChain.PREVIOUS_MESSAGE) != null) {
WeakReference wr =
(WeakReference)
message.get(PhaseInterceptorChain.PREVIOUS_MESSAGE);
SoapMessage previousSoapMessage = wr.get();
Element token = getTokenFromMessage(previousSoapMessage);
if (token != null) {
callback.setToken(token);
}
}
} else {
throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback");
}
}
}
private Element getTokenFromMessage(SoapMessage soapMessage) {
if (soapMessage != null) {
List results =
CastUtils.cast((List)soapMessage.get(WSHandlerConstants.RECV_RESULTS));
if (results != null) {
for (WSHandlerResult rResult : results) {
Element token = findToken(rResult.getResults());
if (token != null) {
return token;
}
}
}
}
return null;
}
private Element findToken(
List wsSecEngineResults
) {
for (WSSecurityEngineResult wser : wsSecEngineResults) {
Integer actInt = (Integer)wser.get(WSSecurityEngineResult.TAG_ACTION);
if (actInt.intValue() == WSConstants.ST_SIGNED
|| actInt.intValue() == WSConstants.ST_UNSIGNED) {
AssertionWrapper assertion =
(AssertionWrapper)wser.get(WSSecurityEngineResult.TAG_SAML_ASSERTION);
return assertion.getElement();
} else if (actInt.intValue() == WSConstants.UT
|| actInt.intValue() == WSConstants.UT_NOPASSWORD) {
UsernameToken token =
(UsernameToken)wser.get(WSSecurityEngineResult.TAG_USERNAME_TOKEN);
return token.getElement();
} else if (actInt.intValue() == WSConstants.BST) {
BinarySecurity token =
(BinarySecurity)wser.get(WSSecurityEngineResult.TAG_BINARY_SECURITY_TOKEN);
return token.getElement();
}
}
return null;
}
}