/*
* 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;
import org.keycloak.dom.saml.v2.assertion.NameIDType;
import org.keycloak.dom.saml.v2.protocol.ArtifactResponseType;
import org.keycloak.dom.saml.v2.protocol.AuthnRequestType;
import org.keycloak.dom.saml.v2.protocol.ResponseType;
import org.keycloak.dom.saml.v2.protocol.StatusResponseType;
import org.keycloak.saml.common.ErrorCodes;
import org.keycloak.saml.common.constants.JBossSAMLConstants;
import org.keycloak.saml.common.constants.JBossSAMLURIConstants;
import org.keycloak.saml.common.exceptions.ParsingException;
import org.keycloak.saml.common.parsers.ParserNamespaceSupport;
import org.keycloak.saml.common.util.StaxParserUtil;
import org.w3c.dom.Element;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.events.StartElement;
/**
* Parse the SAML Response
*
* @author Anil.Saldhana@redhat.com
* @since July 1, 2011
*/
public class SAMLArtifactResponseParser extends SAMLStatusResponseTypeParser implements ParserNamespaceSupport {
private final String ARTIFACT_RESPONSE = JBossSAMLConstants.ARTIFACT_RESPONSE.get();
/**
* @see {@link ParserNamespaceSupport#parse(XMLEventReader)}
*/
public Object parse(XMLEventReader xmlEventReader) throws ParsingException {
// Get the startelement
StartElement startElement = StaxParserUtil.getNextStartElement(xmlEventReader);
StaxParserUtil.validate(startElement, ARTIFACT_RESPONSE);
ArtifactResponseType response = (ArtifactResponseType) parseBaseAttributes(startElement);
while (xmlEventReader.hasNext()) {
// Let us peek at the next start element
startElement = StaxParserUtil.peekNextStartElement(xmlEventReader);
if (startElement == null)
break;
String elementName = StaxParserUtil.getStartElementName(startElement);
if (JBossSAMLConstants.ISSUER.get().equals(elementName)) {
startElement = StaxParserUtil.getNextStartElement(xmlEventReader);
NameIDType issuer = new NameIDType();
issuer.setValue(StaxParserUtil.getElementText(xmlEventReader));
response.setIssuer(issuer);
} else if (JBossSAMLConstants.SIGNATURE.get().equals(elementName)) {
Element sig = StaxParserUtil.getDOMElement(xmlEventReader);
response.setSignature(sig);
} else if (JBossSAMLConstants.EXTENSIONS.get().equals(elementName)) {
SAMLExtensionsParser extensionsParser = new SAMLExtensionsParser();
response.setExtensions(extensionsParser.parse(xmlEventReader));
} else if (JBossSAMLConstants.AUTHN_REQUEST.get().equals(elementName)) {
SAMLAuthNRequestParser authnParser = new SAMLAuthNRequestParser();
AuthnRequestType authn = (AuthnRequestType) authnParser.parse(xmlEventReader);
response.setAny(authn);
} else if (JBossSAMLConstants.RESPONSE.get().equals(elementName)) {
SAMLResponseParser authnParser = new SAMLResponseParser();
ResponseType authn = (ResponseType) authnParser.parse(xmlEventReader);
response.setAny(authn);
} else if (JBossSAMLConstants.STATUS.get().equals(elementName)) {
response.setStatus(parseStatus(xmlEventReader));
} else
throw new RuntimeException(ErrorCodes.UNKNOWN_START_ELEMENT + elementName + "::location="
+ startElement.getLocation());
}
return response;
}
/**
* @see {@link ParserNamespaceSupport#supports(QName)}
*/
public boolean supports(QName qname) {
return JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(qname.getNamespaceURI())
&& ARTIFACT_RESPONSE.equals(qname.getLocalPart());
}
/**
* Parse the attributes at the response element
*
* @param startElement
*
* @return
*
* @throws ParsingException
*/
protected StatusResponseType parseBaseAttributes(StartElement startElement) throws ParsingException {
ArtifactResponseType response = new ArtifactResponseType(super.parseBaseAttributes(startElement));
return response;
}
}