SAMLAuthnContextParser.java
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed 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.keycloak.saml.processing.core.parsers.saml.assertion;
import org.keycloak.dom.saml.v2.assertion.AuthnContextClassRefType;
import org.keycloak.dom.saml.v2.assertion.AuthnContextDeclRefType;
import org.keycloak.dom.saml.v2.assertion.AuthnContextDeclType;
import org.keycloak.dom.saml.v2.assertion.AuthnContextType;
import org.keycloak.saml.common.exceptions.ParsingException;
import org.keycloak.saml.common.util.StaxParserUtil;
import java.net.URI;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.events.StartElement;
import org.w3c.dom.Element;
/**
* Parse the <conditions> in the saml assertion
*
* @since Oct 14, 2010
*/
public class SAMLAuthnContextParser extends AbstractStaxSamlAssertionParser<AuthnContextType> {
private static final SAMLAuthnContextParser INSTANCE = new SAMLAuthnContextParser();
private SAMLAuthnContextParser() {
super(SAMLAssertionQNames.AUTHN_CONTEXT);
}
public static SAMLAuthnContextParser getInstance() {
return INSTANCE;
}
@Override
protected AuthnContextType instantiateElement(XMLEventReader xmlEventReader, StartElement element) throws ParsingException {
return new AuthnContextType();
}
@Override
protected void processSubElement(XMLEventReader xmlEventReader, AuthnContextType target, SAMLAssertionQNames element, StartElement elementDetail) throws ParsingException {
String text;
AuthnContextType.AuthnContextTypeSequence authnContextSequence;
switch (element) {
case AUTHN_CONTEXT_DECL:
Element dom = StaxParserUtil.getDOMElement(xmlEventReader);
AuthnContextDeclType authnContextDecl = new AuthnContextDeclType(dom);
authnContextSequence = target.getSequence() != null ? target.getSequence() : new AuthnContextType.AuthnContextTypeSequence();
authnContextSequence.setAuthnContextDecl(authnContextDecl);
target.setSequence(authnContextSequence);
break;
case AUTHN_CONTEXT_DECL_REF:
StaxParserUtil.advance(xmlEventReader);
text = StaxParserUtil.getElementText(xmlEventReader);
AuthnContextDeclRefType authnContextDeclRef = new AuthnContextDeclRefType(URI.create(text));
target.addURIType(authnContextDeclRef);
break;
case AUTHN_CONTEXT_CLASS_REF:
StaxParserUtil.advance(xmlEventReader);
text = StaxParserUtil.getElementText(xmlEventReader);
AuthnContextClassRefType authnContextClassRef = new AuthnContextClassRefType(URI.create(text));
authnContextSequence = target.getSequence() != null ? target.getSequence() : new AuthnContextType.AuthnContextTypeSequence();
authnContextSequence.setClassRef(authnContextClassRef);
target.setSequence(authnContextSequence);
break;
case AUTHENTICATING_AUTHORITY:
StaxParserUtil.advance(xmlEventReader);
text = StaxParserUtil.getElementText(xmlEventReader);
target.addAuthenticatingAuthority(URI.create(text));
break;
default:
throw LOGGER.parserUnknownTag(StaxParserUtil.getElementName(elementDetail), elementDetail.getLocation());
}
}
}