/**
* 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.Collection;
import javax.security.auth.callback.CallbackHandler;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.ws.addressing.AddressingProperties;
import org.apache.cxf.ws.policy.AssertionInfo;
import org.apache.cxf.ws.policy.AssertionInfoMap;
import org.apache.cxf.ws.security.SecurityConstants;
import org.apache.cxf.ws.security.policy.SP12Constants;
import org.apache.cxf.ws.security.policy.model.Trust10;
import org.apache.cxf.ws.security.policy.model.Trust13;
import org.apache.cxf.ws.security.tokenstore.SecurityToken;
import org.apache.cxf.ws.security.trust.STSClient;
import org.apache.cxf.ws.security.trust.STSUtils;
import org.apache.ws.security.WSSecurityException;
import org.apache.ws.security.spnego.SpnegoClientAction;
import org.apache.ws.security.spnego.SpnegoTokenContext;
import org.apache.ws.security.util.Base64;
class SpnegoContextTokenOutInterceptor extends AbstractPhaseInterceptor<SoapMessage> {
public SpnegoContextTokenOutInterceptor() {
super(Phase.PREPARE_SEND);
}
public void handleMessage(SoapMessage message) throws Fault {
AssertionInfoMap aim = message.get(AssertionInfoMap.class);
// extract Assertion information
if (aim != null) {
Collection<AssertionInfo> ais = aim.get(SP12Constants.SPNEGO_CONTEXT_TOKEN);
if (ais == null || ais.isEmpty()) {
return;
}
if (isRequestor(message)) {
SecurityToken tok = (SecurityToken)message.getContextualProperty(SecurityConstants.TOKEN);
if (tok == null) {
String tokId = (String)message.getContextualProperty(SecurityConstants.TOKEN_ID);
if (tokId != null) {
tok = NegotiationUtils.getTokenStore(message).getToken(tokId);
}
}
if (tok != null && tok.isExpired()) {
message.getExchange().get(Endpoint.class).remove(SecurityConstants.TOKEN_ID);
message.getExchange().remove(SecurityConstants.TOKEN_ID);
NegotiationUtils.getTokenStore(message).remove(tok);
tok = null;
}
if (tok == null) {
tok = issueToken(message, aim);
}
if (tok != null) {
for (AssertionInfo ai : ais) {
ai.setAsserted(true);
}
message.getExchange().get(Endpoint.class).put(SecurityConstants.TOKEN_ID, tok.getId());
message.getExchange().put(SecurityConstants.TOKEN_ID, tok.getId());
NegotiationUtils.getTokenStore(message).add(tok);
}
} else {
// server side should be checked on the way in
for (AssertionInfo ai : ais) {
ai.setAsserted(true);
}
}
}
}
private SecurityToken issueToken(SoapMessage message, AssertionInfoMap aim) {
//
// Get a SPNEGO token
//
String jaasContext =
(String)message.getContextualProperty(SecurityConstants.KERBEROS_JAAS_CONTEXT_NAME);
String kerberosSpn =
(String)message.getContextualProperty(SecurityConstants.KERBEROS_SPN);
CallbackHandler callbackHandler =
NegotiationUtils.getCallbackHandler(
message.getContextualProperty(SecurityConstants.CALLBACK_HANDLER), this.getClass()
);
SpnegoTokenContext spnegoToken = new SpnegoTokenContext();
Object spnegoClientAction =
message.getContextualProperty(SecurityConstants.SPNEGO_CLIENT_ACTION);
if (spnegoClientAction instanceof SpnegoClientAction) {
spnegoToken.setSpnegoClientAction((SpnegoClientAction)spnegoClientAction);
}
try {
spnegoToken.retrieveServiceTicket(jaasContext, callbackHandler, kerberosSpn);
} catch (WSSecurityException e) {
throw new Fault(e);
}
//
// Now initiate WS-Trust exchange
//
STSClient client = STSUtils.getClient(message, "spnego");
AddressingProperties maps =
(AddressingProperties)message.get("javax.xml.ws.addressing.context.outbound");
if (maps == null) {
maps = (AddressingProperties)message.get("javax.xml.ws.addressing.context");
}
synchronized (client) {
try {
String s = SpnegoTokenInterceptorProvider.setupClient(client, message, aim);
if (maps != null) {
client.setAddressingNamespace(maps.getNamespaceURI());
}
SecurityToken tok = client.requestSecurityToken(s, Base64.encode(spnegoToken.getToken()));
byte[] wrappedTok = spnegoToken.unwrapKey(tok.getSecret());
tok.setSecret(wrappedTok);
spnegoToken.clear();
return tok;
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new Fault(e);
} finally {
client.setTrust((Trust10)null);
client.setTrust((Trust13)null);
client.setTemplate(null);
client.setLocation(null);
client.setAddressingNamespace(null);
}
}
}
}