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/**
* 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 java.util.List;
import javax.security.auth.callback.CallbackHandler;
import org.apache.cxf.Bus;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.interceptor.Interceptor;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.service.Service;
import org.apache.cxf.service.invoker.Invoker;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.transport.Destination;
import org.apache.cxf.ws.addressing.MAPAggregator;
import org.apache.cxf.ws.addressing.policy.MetadataConstants;
import org.apache.cxf.ws.policy.AssertionInfo;
import org.apache.cxf.ws.policy.AssertionInfoMap;
import org.apache.cxf.ws.policy.EndpointPolicy;
import org.apache.cxf.ws.policy.PolicyEngine;
import org.apache.cxf.ws.policy.builder.primitive.PrimitiveAssertion;
import org.apache.cxf.ws.security.SecurityConstants;
import org.apache.cxf.ws.security.policy.SP11Constants;
import org.apache.cxf.ws.security.policy.SP12Constants;
import org.apache.cxf.ws.security.policy.model.AlgorithmSuite;
import org.apache.cxf.ws.security.policy.model.Binding;
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.MemoryTokenStore;
import org.apache.cxf.ws.security.tokenstore.SecurityToken;
import org.apache.cxf.ws.security.tokenstore.TokenStore;
import org.apache.cxf.ws.security.trust.STSUtils;
import org.apache.neethi.Assertion;
import org.apache.neethi.Policy;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.WSSecurityEngineResult;
import org.apache.ws.security.conversation.ConversationConstants;
import org.apache.ws.security.conversation.ConversationException;
import org.apache.ws.security.handler.WSHandlerConstants;
import org.apache.ws.security.handler.WSHandlerResult;
import org.apache.ws.security.message.token.SecurityContextToken;
/**
* This is a collection of utility methods for use in negotiation exchanges such as WS-SecureConversation
* and WS-Trust for SPNEGO.
*/
final class NegotiationUtils {
private NegotiationUtils() {
// complete
}
static Trust10 getTrust10(AssertionInfoMap aim) {
Collection ais = aim.get(SP12Constants.TRUST_10);
if (ais == null || ais.isEmpty()) {
ais = aim.get(SP11Constants.TRUST_10);
}
if (ais == null || ais.isEmpty()) {
return null;
}
return (Trust10)ais.iterator().next().getAssertion();
}
static Trust13 getTrust13(AssertionInfoMap aim) {
Collection ais = aim.get(SP12Constants.TRUST_13);
if (ais == null || ais.isEmpty()) {
return null;
}
return (Trust13)ais.iterator().next().getAssertion();
}
static TokenStore getTokenStore(Message message) {
EndpointInfo info = message.getExchange().get(Endpoint.class).getEndpointInfo();
synchronized (info) {
TokenStore tokenStore = (TokenStore)message.getContextualProperty(TokenStore.class.getName());
if (tokenStore == null) {
tokenStore = (TokenStore)info.getProperty(TokenStore.class.getName());
}
if (tokenStore == null) {
tokenStore = new MemoryTokenStore();
info.setProperty(TokenStore.class.getName(), tokenStore);
}
return tokenStore;
}
}
static Assertion getAddressingPolicy(AssertionInfoMap aim, boolean optional) {
Collection lst = aim.get(MetadataConstants.USING_ADDRESSING_2004_QNAME);
Assertion assertion = null;
if (null != lst && !lst.isEmpty()) {
assertion = lst.iterator().next().getAssertion();
}
if (assertion == null) {
lst = aim.get(MetadataConstants.USING_ADDRESSING_2005_QNAME);
if (null != lst && !lst.isEmpty()) {
assertion = lst.iterator().next().getAssertion();
}
}
if (assertion == null) {
lst = aim.get(MetadataConstants.USING_ADDRESSING_2006_QNAME);
if (null != lst && !lst.isEmpty()) {
assertion = lst.iterator().next().getAssertion();
}
}
if (assertion == null) {
return new PrimitiveAssertion(MetadataConstants.USING_ADDRESSING_2006_QNAME,
optional);
} else if (optional) {
return new PrimitiveAssertion(assertion.getName(),
optional);
}
return assertion;
}
static AlgorithmSuite getAlgorithmSuite(AssertionInfoMap aim) {
Binding transport = null;
Collection ais = aim.get(SP12Constants.TRANSPORT_BINDING);
if (ais != null) {
for (AssertionInfo ai : ais) {
transport = (Binding)ai.getAssertion();
}
} else {
ais = aim.get(SP12Constants.ASYMMETRIC_BINDING);
if (ais != null) {
for (AssertionInfo ai : ais) {
transport = (Binding)ai.getAssertion();
}
} else {
ais = aim.get(SP12Constants.SYMMETRIC_BINDING);
if (ais != null) {
for (AssertionInfo ai : ais) {
transport = (Binding)ai.getAssertion();
}
}
}
}
if (transport != null) {
return transport.getAlgorithmSuite();
}
return null;
}
static int getWSCVersion(String tokenTypeValue) throws ConversationException {
if (tokenTypeValue == null) {
return ConversationConstants.DEFAULT_VERSION;
}
if (tokenTypeValue.startsWith(ConversationConstants.WSC_NS_05_02)) {
return ConversationConstants.getWSTVersion(ConversationConstants.WSC_NS_05_02);
} else if (tokenTypeValue.startsWith(ConversationConstants.WSC_NS_05_12)) {
return ConversationConstants.getWSTVersion(ConversationConstants.WSC_NS_05_12);
} else {
throw new ConversationException("unsupportedSecConvVersion");
}
}
static void recalcEffectivePolicy(
SoapMessage message,
String namespace,
Policy policy,
Invoker invoker,
boolean secConv
) {
Exchange ex = message.getExchange();
Bus bus = ex.getBus();
PolicyEngine pe = bus.getExtension(PolicyEngine.class);
if (null == pe) {
return;
}
Destination destination = ex.getDestination();
try {
Endpoint endpoint = message.getExchange().getEndpoint();
TokenStore store = (TokenStore)message.getContextualProperty(TokenStore.class.getName());
if (store == null) {
store = new MemoryTokenStore();
endpoint.getEndpointInfo().setProperty(TokenStore.class.getName(), store);
}
if (secConv) {
endpoint = STSUtils.createSCEndpoint(bus,
namespace,
endpoint.getEndpointInfo().getTransportId(),
destination.getAddress().getAddress().getValue(),
message.getVersion().getBindingId(),
policy);
} else {
endpoint = STSUtils.createSTSEndpoint(bus,
namespace,
endpoint.getEndpointInfo().getTransportId(),
destination.getAddress().getAddress().getValue(),
message.getVersion().getBindingId(),
policy,
null);
}
endpoint.getEndpointInfo().setProperty(TokenStore.class.getName(), store);
message.getExchange().put(TokenStore.class.getName(), store);
EndpointPolicy ep = pe.getServerEndpointPolicy(endpoint.getEndpointInfo(), destination);
List> interceptors = ep.getInterceptors();
for (Interceptor i : interceptors) {
message.getInterceptorChain().add(i);
}
Collection assertions = ep.getVocabulary();
if (null != assertions) {
message.put(AssertionInfoMap.class, new AssertionInfoMap(assertions));
}
endpoint.getService().setInvoker(invoker);
ex.put(Endpoint.class, endpoint);
ex.put(Service.class, endpoint.getService());
ex.put(org.apache.cxf.binding.Binding.class, endpoint.getBinding());
ex.remove(BindingOperationInfo.class);
message.put(MAPAggregator.ACTION_VERIFIED, Boolean.TRUE);
} catch (Exception exc) {
throw new Fault(exc);
}
}
/**
* Return true on successfully parsing a SecurityContextToken result
*/
static boolean parseSCTResult(SoapMessage message) {
List results =
CastUtils.cast((List)message.get(WSHandlerConstants.RECV_RESULTS));
if (results == null) {
return false;
}
for (WSHandlerResult rResult : results) {
List wsSecEngineResults = rResult.getResults();
for (WSSecurityEngineResult wser : wsSecEngineResults) {
Integer actInt = (Integer)wser.get(WSSecurityEngineResult.TAG_ACTION);
if (actInt.intValue() == WSConstants.SCT) {
SecurityContextToken tok =
(SecurityContextToken)wser.get(WSSecurityEngineResult.TAG_SECURITY_CONTEXT_TOKEN);
message.getExchange().put(SecurityConstants.TOKEN_ID, tok.getIdentifier());
byte[] secret = (byte[])wser.get(WSSecurityEngineResult.TAG_SECRET);
if (secret != null) {
SecurityToken token = new SecurityToken(tok.getIdentifier());
token.setToken(tok.getElement());
token.setSecret(secret);
token.setTokenType(tok.getTokenType());
message.getExchange().put(SecurityConstants.TOKEN, token);
}
return true;
}
}
}
return false;
}
static CallbackHandler getCallbackHandler(Object o, Class clazz) {
CallbackHandler handler = null;
if (o instanceof CallbackHandler) {
handler = (CallbackHandler)o;
} else if (o instanceof String) {
try {
handler =
(CallbackHandler)ClassLoaderUtils.loadClass((String)o, clazz).newInstance();
} catch (Exception e) {
handler = null;
}
}
return handler;
}
}