/**
* 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.systest.sts.claims;
import java.util.List;
import org.w3c.dom.Element;
import org.apache.cxf.sts.claims.ClaimTypes;
import org.apache.wss4j.common.ext.WSSecurityException;
import org.apache.wss4j.common.saml.SamlAssertionWrapper;
import org.apache.wss4j.dom.handler.RequestData;
import org.apache.wss4j.dom.validate.Credential;
import org.apache.wss4j.dom.validate.SamlAssertionValidator;
import org.opensaml.core.xml.XMLObject;
/**
* This class validates a SAML Assertion and checks that it has an "AuthenticatedRole" attribute
* corresponding to "admin-user". Note that it only throws an error if the role has the wrong
* value, not if the role doesn't exist. This is because the WS-SecurityPolicy validation will
* check to make sure that the correct defined Claims have been met in the token.
*/
public class ClaimsValidator extends SamlAssertionValidator {
@Override
public Credential validate(Credential credential, RequestData data) throws WSSecurityException {
Credential validatedCredential = super.validate(credential, data);
SamlAssertionWrapper assertion = validatedCredential.getSamlAssertion();
boolean valid = false;
if (assertion.getSaml1() != null) {
valid = handleSAML1Assertion(assertion.getSaml1());
} else if (assertion.getSaml2() != null) {
valid = handleSAML2Assertion(assertion.getSaml2());
}
if (valid) {
return validatedCredential;
}
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
private boolean handleSAML1Assertion(
org.opensaml.saml.saml1.core.Assertion assertion
) throws WSSecurityException {
List<org.opensaml.saml.saml1.core.AttributeStatement> attributeStatements =
assertion.getAttributeStatements();
if (attributeStatements == null || attributeStatements.isEmpty()) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
for (org.opensaml.saml.saml1.core.AttributeStatement statement : attributeStatements) {
List<org.opensaml.saml.saml1.core.Attribute> attributes = statement.getAttributes();
for (org.opensaml.saml.saml1.core.Attribute attribute : attributes) {
if (!ClaimTypes.URI_BASE.toString().equals(attribute.getAttributeNamespace())) {
continue;
}
for (XMLObject attributeValue : attribute.getAttributeValues()) {
Element attributeValueElement = attributeValue.getDOM();
String text = attributeValueElement.getTextContent();
if (!"admin-user".equals(text)) {
return false;
}
}
}
}
return true;
}
private boolean handleSAML2Assertion(
org.opensaml.saml.saml2.core.Assertion assertion
) throws WSSecurityException {
List<org.opensaml.saml.saml2.core.AttributeStatement> attributeStatements =
assertion.getAttributeStatements();
if (attributeStatements == null || attributeStatements.isEmpty()) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILURE, "invalidSAMLsecurity");
}
for (org.opensaml.saml.saml2.core.AttributeStatement statement : attributeStatements) {
List<org.opensaml.saml.saml2.core.Attribute> attributes = statement.getAttributes();
for (org.opensaml.saml.saml2.core.Attribute attribute : attributes) {
if (!attribute.getName().startsWith(ClaimTypes.URI_BASE.toString())) {
continue;
}
for (XMLObject attributeValue : attribute.getAttributeValues()) {
Element attributeValueElement = attributeValue.getDOM();
String text = attributeValueElement.getTextContent();
if (!"admin-user".equals(text)) {
return false;
}
}
}
}
return true;
}
}