/**
* 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.wss4j.policy.stax.assertionStates;
import javax.xml.namespace.QName;
import org.apache.wss4j.common.WSSPolicyException;
import org.apache.wss4j.policy.SPConstants;
import org.apache.wss4j.policy.model.AbstractSecurityAssertion;
import org.apache.wss4j.policy.model.AbstractToken;
import org.apache.wss4j.policy.model.KerberosToken;
import org.apache.wss4j.policy.stax.PolicyAsserter;
import org.apache.wss4j.stax.securityToken.KerberosServiceSecurityToken;
import org.apache.wss4j.stax.securityToken.WSSecurityTokenConstants;
import org.apache.xml.security.stax.securityEvent.SecurityEventConstants;
import org.apache.xml.security.stax.securityEvent.TokenSecurityEvent;
import org.apache.xml.security.stax.securityToken.SecurityToken;
import org.apache.xml.security.stax.securityToken.SecurityTokenConstants.KeyIdentifier;
import org.apache.wss4j.stax.securityEvent.KerberosTokenSecurityEvent;
import org.apache.wss4j.stax.securityEvent.WSSecurityEventConstants;
/**
* WSP1.3, 5.4.4 KerberosToken Assertion
*/
public class KerberosTokenAssertionState extends TokenAssertionState {
public KerberosTokenAssertionState(AbstractSecurityAssertion assertion, boolean asserted,
PolicyAsserter policyAsserter, boolean initiator) {
super(assertion, asserted, policyAsserter, initiator);
if (asserted) {
KerberosToken token = (KerberosToken) getAssertion();
String namespace = token.getName().getNamespaceURI();
if (token.isRequireKeyIdentifierReference()) {
getPolicyAsserter().assertPolicy(new QName(namespace, SPConstants.REQUIRE_KEY_IDENTIFIER_REFERENCE));
}
if (token.getApReqTokenType() != null) {
getPolicyAsserter().assertPolicy(new QName(namespace, token.getApReqTokenType().name()));
}
}
}
@Override
public SecurityEventConstants.Event[] getSecurityEventType() {
return new SecurityEventConstants.Event[]{
WSSecurityEventConstants.KERBEROS_TOKEN
};
}
@Override
public boolean assertToken(TokenSecurityEvent<? extends SecurityToken> tokenSecurityEvent,
AbstractToken abstractToken) throws WSSPolicyException {
if (!(tokenSecurityEvent instanceof KerberosTokenSecurityEvent)) {
throw new WSSPolicyException("Expected a KerberosTokenSecurityEvent but got " + tokenSecurityEvent.getClass().getName());
}
KerberosToken kerberosToken = (KerberosToken) abstractToken;
KerberosTokenSecurityEvent kerberosTokenSecurityEvent = (KerberosTokenSecurityEvent) tokenSecurityEvent;
KerberosServiceSecurityToken kerberosServiceSecurityToken = kerberosTokenSecurityEvent.getSecurityToken();
if (kerberosToken.getIssuerName() != null
&& !kerberosToken.getIssuerName().equals(kerberosTokenSecurityEvent.getIssuerName())) {
setErrorMessage("IssuerName in Policy (" + kerberosToken.getIssuerName() + ") didn't match with the one in the IssuedToken ("
+ kerberosTokenSecurityEvent.getIssuerName() + ")");
getPolicyAsserter().unassertPolicy(getAssertion(), getErrorMessage());
return false;
}
String namespace = getAssertion().getName().getNamespaceURI();
if (kerberosToken.isRequireKeyIdentifierReference()) {
KeyIdentifier kerberosKeyIdentifier = kerberosServiceSecurityToken.getKeyIdentifier();
if (!WSSecurityTokenConstants.KEYIDENTIFIER_EMBEDDED_KEY_IDENTIFIER_REF.equals(kerberosKeyIdentifier)) {
setErrorMessage("Policy enforces KeyIdentifierReference but we got " + kerberosKeyIdentifier);
getPolicyAsserter().unassertPolicy(new QName(namespace, SPConstants.REQUIRE_KEY_IDENTIFIER_REFERENCE),
getErrorMessage());
return false;
} else {
getPolicyAsserter().assertPolicy(new QName(namespace, SPConstants.REQUIRE_KEY_IDENTIFIER_REFERENCE));
}
}
if (kerberosToken.getApReqTokenType() != null) {
switch (kerberosToken.getApReqTokenType()) {
case WssKerberosV5ApReqToken11:
if (!kerberosTokenSecurityEvent.isKerberosV5ApReqToken11()) {
setErrorMessage("Policy enforces " + kerberosToken.getApReqTokenType());
getPolicyAsserter().unassertPolicy(new QName(namespace, "WssKerberosV5ApReqToken11"),
getErrorMessage());
return false;
}
getPolicyAsserter().assertPolicy(new QName(namespace, "WssKerberosV5ApReqToken11"));
break;
case WssGssKerberosV5ApReqToken11:
if (!kerberosTokenSecurityEvent.isGssKerberosV5ApReqToken11()) {
setErrorMessage("Policy enforces " + kerberosToken.getApReqTokenType());
getPolicyAsserter().unassertPolicy(new QName(namespace, "WssGssKerberosV5ApReqToken11"),
getErrorMessage());
return false;
}
getPolicyAsserter().assertPolicy(new QName(namespace, "WssGssKerberosV5ApReqToken11"));
break;
}
}
//always return true to prevent false alarm in case additional tokens with the same usage
//appears in the message but do not fulfill the policy and are also not needed to fulfil the policy.
getPolicyAsserter().assertPolicy(getAssertion());
return true;
}
}