/*
* 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.namespace.QName;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.XMLEvent;
import org.picketlink.identity.federation.core.ErrorCodes;
import org.picketlink.identity.federation.core.exceptions.ParsingException;
import org.picketlink.identity.federation.core.parsers.AbstractParser;
import org.picketlink.identity.federation.core.parsers.ParserNamespaceSupport;
import org.picketlink.identity.federation.core.parsers.saml.metadata.SAMLEntitiesDescriptorParser;
import org.picketlink.identity.federation.core.parsers.saml.metadata.SAMLEntityDescriptorParser;
import org.picketlink.identity.federation.core.parsers.saml.xacml.SAMLXACMLRequestParser;
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;
/**
* Parse SAML payload
*
* @author Anil.Saldhana@redhat.com
* @since Oct 12, 2010
*/
public class SAMLParser extends AbstractParser {
/**
* @see {@link ParserNamespaceSupport#parse(XMLEventReader)}
*/
public Object parse(XMLEventReader xmlEventReader) throws ParsingException {
while (xmlEventReader.hasNext()) {
XMLEvent xmlEvent = StaxParserUtil.peek(xmlEventReader);
if (xmlEvent instanceof StartElement) {
StartElement startElement = (StartElement) xmlEvent;
QName startElementName = startElement.getName();
String nsURI = startElementName.getNamespaceURI();
String localPart = startElementName.getLocalPart();
String elementName = StaxParserUtil.getStartElementName(startElement);
if (elementName.equalsIgnoreCase(JBossSAMLConstants.ASSERTION.get())
|| elementName.equals(JBossSAMLConstants.ENCRYPTED_ASSERTION.get())) {
if (nsURI.equals(SAML11Constants.ASSERTION_11_NSURI)) {
SAML11AssertionParser saml11AssertionParser = new SAML11AssertionParser();
return saml11AssertionParser.parse(xmlEventReader);
}
SAMLAssertionParser assertionParser = new SAMLAssertionParser();
return assertionParser.parse(xmlEventReader);
} else if (JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(nsURI)
&& JBossSAMLConstants.AUTHN_REQUEST.get().equals(startElementName.getLocalPart())) {
SAMLAuthNRequestParser authNRequestParser = new SAMLAuthNRequestParser();
return authNRequestParser.parse(xmlEventReader);
} else if (JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(nsURI)
&& JBossSAMLConstants.LOGOUT_REQUEST.get().equals(startElementName.getLocalPart())) {
SAMLSloRequestParser sloParser = new SAMLSloRequestParser();
return sloParser.parse(xmlEventReader);
} else if (JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(nsURI)
&& JBossSAMLConstants.LOGOUT_RESPONSE.get().equals(startElementName.getLocalPart())) {
SAMLSloResponseParser sloParser = new SAMLSloResponseParser();
return sloParser.parse(xmlEventReader);
} else if (JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(nsURI)
&& JBossSAMLConstants.RESPONSE.get().equals(startElementName.getLocalPart())) {
SAMLResponseParser responseParser = new SAMLResponseParser();
return responseParser.parse(xmlEventReader);
} else if (JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(nsURI)
&& JBossSAMLConstants.REQUEST_ABSTRACT.get().equals(startElementName.getLocalPart())) {
String xsiTypeValue = StaxParserUtil.getXSITypeValue(startElement);
if (xsiTypeValue.contains(JBossSAMLConstants.XACML_AUTHZ_DECISION_QUERY_TYPE.get())) {
SAMLXACMLRequestParser samlXacmlParser = new SAMLXACMLRequestParser();
return samlXacmlParser.parse(xmlEventReader);
}
throw new RuntimeException(ErrorCodes.UNKNOWN_XSI + xsiTypeValue);
} else if (JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(nsURI)
&& JBossSAMLConstants.ARTIFACT_RESOLVE.get().equals(startElementName.getLocalPart())) {
SAMLArtifactResolveParser artifactResolverParser = new SAMLArtifactResolveParser();
return artifactResolverParser.parse(xmlEventReader);
} else if (JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(nsURI)
&& JBossSAMLConstants.ARTIFACT_RESPONSE.get().equals(startElementName.getLocalPart())) {
SAMLArtifactResponseParser responseParser = new SAMLArtifactResponseParser();
return responseParser.parse(xmlEventReader);
} else if (JBossSAMLURIConstants.PROTOCOL_NSURI.get().equals(nsURI)
&& JBossSAMLConstants.ATTRIBUTE_QUERY.get().equals(startElementName.getLocalPart())) {
SAMLAttributeQueryParser responseParser = new SAMLAttributeQueryParser();
return responseParser.parse(xmlEventReader);
} else if (JBossSAMLConstants.XACML_AUTHZ_DECISION_QUERY.get().equals(localPart)) {
SAMLXACMLRequestParser samlXacmlParser = new SAMLXACMLRequestParser();
return samlXacmlParser.parse(xmlEventReader);
} else if (JBossSAMLConstants.ENTITY_DESCRIPTOR.get().equals(localPart)) {
SAMLEntityDescriptorParser entityDescriptorParser = new SAMLEntityDescriptorParser();
return entityDescriptorParser.parse(xmlEventReader);
} else if (JBossSAMLConstants.ENTITIES_DESCRIPTOR.get().equals(localPart)) {
SAMLEntitiesDescriptorParser entityDescriptorParser = new SAMLEntitiesDescriptorParser();
return entityDescriptorParser.parse(xmlEventReader);
} else if (SAML11Constants.PROTOCOL_11_NSURI.equals(nsURI)
&& JBossSAMLConstants.RESPONSE.get().equals(startElementName.getLocalPart())) {
SAML11ResponseParser responseParser = new SAML11ResponseParser();
return responseParser.parse(xmlEventReader);
} else if (SAML11Constants.PROTOCOL_11_NSURI.equals(nsURI)
&& SAML11Constants.REQUEST.equals(startElementName.getLocalPart())) {
SAML11RequestParser reqParser = new SAML11RequestParser();
return reqParser.parse(xmlEventReader);
} else
throw new RuntimeException(ErrorCodes.UNKNOWN_START_ELEMENT + elementName + "::location="
+ startElement.getLocation());
} else {
StaxParserUtil.getNextEvent(xmlEventReader);
}
}
throw new RuntimeException(ErrorCodes.FAILED_PARSING + "SAML Parsing has failed");
}
/**
* @see {@link ParserNamespaceSupport#supports(QName)}
*/
public boolean supports(QName qname) {
return JBossSAMLURIConstants.ASSERTION_NSURI.get().equals(qname.getNamespaceURI());
}
}