SAMLAssertionParser.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.AssertionType;
import org.keycloak.saml.common.ErrorCodes;
import org.keycloak.saml.common.exceptions.ParsingException;
import org.keycloak.saml.common.util.StaxParserUtil;
import org.keycloak.saml.processing.core.parsers.util.SAMLParserUtil;
import org.keycloak.saml.processing.core.saml.v2.util.XMLTimeUtil;
import javax.xml.datatype.XMLGregorianCalendar;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.events.StartElement;
/**
* Parse the saml assertion
*
* @since Oct 12, 2010
*/
public class SAMLAssertionParser extends AbstractStaxSamlAssertionParser<AssertionType> {
private static final String VERSION_2_0 = "2.0";
private static final SAMLAssertionParser INSTANCE = new SAMLAssertionParser();
private SAMLAssertionParser() {
super(SAMLAssertionQNames.ASSERTION);
}
public static SAMLAssertionParser getInstance() {
return INSTANCE;
}
@Override
protected AssertionType instantiateElement(XMLEventReader xmlEventReader, StartElement nextElement) throws ParsingException {
SAMLParserUtil.validateAttributeValue(nextElement, SAMLAssertionQNames.ATTR_VERSION, VERSION_2_0);
String id = StaxParserUtil.getRequiredAttributeValue(nextElement, SAMLAssertionQNames.ATTR_ID);
XMLGregorianCalendar issueInstant = XMLTimeUtil.parse(StaxParserUtil.getRequiredAttributeValue(nextElement, SAMLAssertionQNames.ATTR_ISSUE_INSTANT));
return new AssertionType(id, issueInstant);
}
@Override
protected void processSubElement(XMLEventReader xmlEventReader, AssertionType target, SAMLAssertionQNames element, StartElement elementDetail) throws ParsingException {
switch (element) {
case ISSUER:
target.setIssuer(SAMLParserUtil.parseNameIDType(xmlEventReader));
break;
case SIGNATURE:
target.setSignature(StaxParserUtil.getDOMElement(xmlEventReader));
break;
case SUBJECT:
target.setSubject(SAMLSubjectParser.getInstance().parse(xmlEventReader));
break;
case CONDITIONS:
target.setConditions(SAMLConditionsParser.getInstance().parse(xmlEventReader));
break;
case ADVICE:
StaxParserUtil.bypassElementBlock(xmlEventReader);
// Ignored
break;
case STATEMENT:
elementDetail = StaxParserUtil.getNextStartElement(xmlEventReader);
String xsiTypeValue = StaxParserUtil.getXSITypeValue(elementDetail);
throw new RuntimeException(ErrorCodes.UNKNOWN_XSI + xsiTypeValue);
case AUTHN_STATEMENT:
target.addStatement(SAMLAuthnStatementParser.getInstance().parse(xmlEventReader));
break;
case AUTHZ_DECISION_STATEMENT:
StaxParserUtil.bypassElementBlock(xmlEventReader);
// Ignored
break;
case ATTRIBUTE_STATEMENT:
target.addStatement(SAMLAttributeStatementParser.getInstance().parse(xmlEventReader));
break;
default:
throw LOGGER.parserUnknownTag(StaxParserUtil.getElementName(elementDetail), elementDetail.getLocation());
}
}
}