/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.picketlink.identity.federation.core.parsers.saml;
import javax.xml.datatype.XMLGregorianCalendar;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.StartElement;
import org.picketlink.identity.federation.PicketLinkLogger;
import org.picketlink.identity.federation.PicketLinkLoggerFactory;
import org.picketlink.identity.federation.core.exceptions.ParsingException;
import org.picketlink.identity.federation.core.parsers.ParserNamespaceSupport;
import org.picketlink.identity.federation.core.parsers.util.SAML11ParserUtil;
import org.picketlink.identity.federation.core.parsers.util.StaxParserUtil;
import org.picketlink.identity.federation.core.saml.v1.SAML11Constants;
import org.picketlink.identity.federation.core.saml.v2.constants.JBossSAMLConstants;
import org.picketlink.identity.federation.core.saml.v2.constants.JBossSAMLURIConstants;
import org.picketlink.identity.federation.core.saml.v2.util.XMLTimeUtil;
import org.picketlink.identity.federation.saml.v1.protocol.SAML11AttributeQueryType;
import org.picketlink.identity.federation.saml.v1.protocol.SAML11AuthenticationQueryType;
import org.picketlink.identity.federation.saml.v1.protocol.SAML11AuthorizationDecisionQueryType;
import org.picketlink.identity.federation.saml.v1.protocol.SAML11RequestType;
/**
* Parse the SAML2 AuthnRequest
*
* @author Anil.Saldhana@redhat.com
* @since June 24, 2011
*/
public class SAML11RequestParser implements ParserNamespaceSupport {
private static final PicketLinkLogger logger = PicketLinkLoggerFactory.getLogger();
protected SAML11RequestType parseRequiredAttributes(StartElement startElement) throws ParsingException {
Attribute idAttr = startElement.getAttributeByName(new QName(SAML11Constants.REQUEST_ID));
if (idAttr == null)
throw logger.parserRequiredAttribute(SAML11Constants.REQUEST_ID);
String id = StaxParserUtil.getAttributeValue(idAttr);
Attribute issueInstantAttr = startElement.getAttributeByName(new QName(SAML11Constants.ISSUE_INSTANT));
if (issueInstantAttr == null)
throw logger.parserRequiredAttribute(SAML11Constants.ISSUE_INSTANT);
XMLGregorianCalendar issueInstant = XMLTimeUtil.parse(StaxParserUtil.getAttributeValue(issueInstantAttr));
return new SAML11RequestType(id, issueInstant);
}
/**
* @see {@link ParserNamespaceSupport#parse(XMLEventReader)}
*/
public Object parse(XMLEventReader xmlEventReader) throws ParsingException {
// Get the startelement
StartElement startElement = StaxParserUtil.getNextStartElement(xmlEventReader);
StaxParserUtil.validate(startElement, SAML11Constants.REQUEST);
SAML11RequestType request = parseRequiredAttributes(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 (SAML11Constants.ATTRIBUTE_QUERY.equals(elementName)) {
startElement = StaxParserUtil.getNextStartElement(xmlEventReader);
SAML11AttributeQueryType query = SAML11ParserUtil.parseSAML11AttributeQuery(xmlEventReader);
request.setQuery(query);
} else if (SAML11Constants.AUTHENTICATION_QUERY.equals(elementName)) {
startElement = StaxParserUtil.getNextStartElement(xmlEventReader);
SAML11AuthenticationQueryType query = SAML11ParserUtil.parseSAML11AuthenticationQuery(xmlEventReader);
request.setQuery(query);
} else if (SAML11Constants.ASSERTION_ARTIFACT.equals(elementName)) {
startElement = StaxParserUtil.getNextStartElement(xmlEventReader);
request.addAssertionArtifact(StaxParserUtil.getElementText(xmlEventReader));
} else if (SAML11Constants.AUTHORIZATION_DECISION_QUERY.equals(elementName)) {
startElement = StaxParserUtil.getNextStartElement(xmlEventReader);
SAML11AuthorizationDecisionQueryType query = SAML11ParserUtil
.parseSAML11AuthorizationDecisionQueryType(xmlEventReader);
request.setQuery(query);
} else if (elementName.equals(JBossSAMLConstants.SIGNATURE.get())) {
request.setSignature(StaxParserUtil.getDOMElement(xmlEventReader));
} else if (SAML11Constants.ASSERTION_ID_REF.equals(elementName)) {
startElement = StaxParserUtil.getNextStartElement(xmlEventReader);
request.addAssertionIDRef(StaxParserUtil.getElementText(xmlEventReader));
} else
throw logger.parserUnknownStartElement(elementName, startElement.getLocation());
}
return request;
}
/**
* @see {@link ParserNamespaceSupport#supports(QName)}
*/
public boolean supports(QName qname) {
return JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(qname.getNamespaceURI());
}
}