/**
* 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.wss4j.saml;
import org.apache.wss4j.common.ext.WSSecurityException;
import org.apache.wss4j.common.saml.OpenSAMLUtil;
import org.apache.wss4j.common.saml.SamlAssertionWrapper;
import org.apache.wss4j.stax.impl.securityToken.SamlSecurityTokenImpl;
import org.apache.wss4j.stax.securityToken.SamlSecurityToken;
import org.apache.wss4j.stax.validate.SamlTokenValidatorImpl;
import org.apache.wss4j.stax.validate.TokenContext;
import org.apache.xml.security.stax.securityToken.InboundSecurityToken;
/**
* A trivial custom Validator for a SAML Assertion. It makes sure that the issuer is
* "www.example.com", checks the version of the assertion, and checks the subject confirmation
* method.
*/
public class CustomStaxSamlValidator extends SamlTokenValidatorImpl {
private boolean requireSAML1Assertion = true;
private boolean requireSenderVouches = true;
public void setRequireSAML1Assertion(boolean requireSAML1Assertion) {
this.requireSAML1Assertion = requireSAML1Assertion;
}
public void setRequireSenderVouches(boolean requireSenderVouches) {
this.requireSenderVouches = requireSenderVouches;
}
@SuppressWarnings("unchecked")
@Override
public <T extends SamlSecurityToken & InboundSecurityToken> T validate(
final SamlAssertionWrapper samlAssertionWrapper,
final InboundSecurityToken subjectSecurityToken,
final TokenContext tokenContext
) throws WSSecurityException {
//jdk 1.6 compiler bug? http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6302954
//type parameters of <T>T cannot be determined; no unique maximal instance exists for type variable T with
// upper bounds org.apache.wss4j.stax.securityToken.SamlSecurityToken,
// org.apache.wss4j.stax.securityToken.SamlSecurityToken,
// org.apache.xml.security.stax.ext.securityToken.InboundSecurityToken
//works fine on jdk 1.7
final SamlSecurityToken token =
super.</*fake @see above*/SamlSecurityTokenImpl>
validate(samlAssertionWrapper, subjectSecurityToken, tokenContext);
//
// Do some custom validation on the assertion
//
if (!"www.example.com".equals(samlAssertionWrapper.getIssuerString())) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
if (requireSAML1Assertion && samlAssertionWrapper.getSaml1() == null) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
} else if (!requireSAML1Assertion && samlAssertionWrapper.getSaml2() == null) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
String confirmationMethod = samlAssertionWrapper.getConfirmationMethods().get(0);
if (confirmationMethod == null) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
if (requireSenderVouches && !OpenSAMLUtil.isMethodSenderVouches(confirmationMethod)) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
} else if (!requireSenderVouches
&& !OpenSAMLUtil.isMethodHolderOfKey(confirmationMethod)) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
return (T)token;
}
}