/**
* 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.common.saml.builder.SAML1Constants;
import org.apache.wss4j.common.saml.builder.SAML2Constants;
import org.apache.wss4j.dom.handler.RequestData;
import org.apache.wss4j.dom.validate.Credential;
import org.apache.wss4j.dom.validate.SamlAssertionValidator;
/**
* 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 CustomSamlValidator extends SamlAssertionValidator {
private boolean requireSAML1Assertion = true;
private boolean requireSenderVouches = true;
private boolean requireBearer;
public void setRequireSAML1Assertion(boolean requireSAML1Assertion) {
this.requireSAML1Assertion = requireSAML1Assertion;
}
public void setRequireSenderVouches(boolean requireSenderVouches) {
this.requireSenderVouches = requireSenderVouches;
}
public void setRequireBearer(boolean requireBearer) {
this.requireBearer = requireBearer;
}
@Override
public Credential validate(Credential credential, RequestData data) throws WSSecurityException {
Credential returnedCredential = super.validate(credential, data);
//
// Do some custom validation on the assertion
//
SamlAssertionWrapper assertion = credential.getSamlAssertion();
if (!"www.example.com".equals(assertion.getIssuerString())) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
if (requireSAML1Assertion && assertion.getSaml1() == null) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
} else if (!requireSAML1Assertion && assertion.getSaml2() == null) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
String confirmationMethod = assertion.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 (requireBearer && !(SAML2Constants.CONF_BEARER.equals(confirmationMethod)
|| SAML1Constants.CONF_BEARER.equals(confirmationMethod))) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
} else if (!requireBearer && !requireSenderVouches
&& !OpenSAMLUtil.isMethodHolderOfKey(confirmationMethod)) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
return returnedCredential;
}
}