/*
* 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.jboss.identity.federation.api.soap;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import org.jboss.identity.federation.core.exceptions.ConfigurationException;
import org.jboss.identity.federation.core.exceptions.ProcessingException;
import org.jboss.identity.federation.core.factories.SOAPFactory;
import org.jboss.identity.federation.core.saml.v2.factories.SAMLAssertionFactory;
import org.jboss.identity.federation.core.saml.v2.util.SOAPSAMLXACMLUtil;
import org.jboss.identity.federation.core.saml.v2.util.XMLTimeUtil;
import org.jboss.identity.federation.org.xmlsoap.schemas.soap.envelope.Body;
import org.jboss.identity.federation.org.xmlsoap.schemas.soap.envelope.Envelope;
import org.jboss.identity.federation.org.xmlsoap.schemas.soap.envelope.Fault;
import org.jboss.identity.federation.saml.v2.assertion.AssertionType;
import org.jboss.identity.federation.saml.v2.assertion.NameIDType;
import org.jboss.identity.federation.saml.v2.profiles.xacml.assertion.XACMLAuthzDecisionStatementType;
import org.jboss.identity.federation.saml.v2.profiles.xacml.protocol.XACMLAuthzDecisionQueryType;
import org.jboss.identity.federation.saml.v2.protocol.ResponseType;
import org.jboss.security.xacml.core.model.context.DecisionType;
import org.jboss.security.xacml.core.model.context.RequestType;
import org.jboss.security.xacml.core.model.context.ResultType;
/**
* Class that deals with sending XACML
* Request Response bundled in SAML pay load
* as SOAP Requests
* @author Anil.Saldhana@redhat.com
* @since Jul 30, 2009
*/
public class SOAPSAMLXACML
{
/**
* Given an xacml request
* @param endpoint
* @param issuer
* @param xacmlRequest
* @return
* @throws ProcessingException
*/
public Result send(String endpoint, String issuer, RequestType xacmlRequest) throws ProcessingException
{
try
{
XACMLAuthzDecisionQueryType queryType = SOAPSAMLXACMLUtil.createXACMLAuthzDecisionQueryType();
queryType.setRequest(xacmlRequest);
//Create Issue Instant
queryType.setIssueInstant(XMLTimeUtil.getIssueInstant());
//Create Issuer
NameIDType nameIDType = SAMLAssertionFactory.getObjectFactory().createNameIDType();
nameIDType.setValue(issuer);
queryType.setIssuer(nameIDType);
JAXBElement<?> jaxbQueryType = SOAPSAMLXACMLUtil.getJAXB(queryType);
Envelope envelope = createEnvelope(jaxbQueryType);
JAXBElement<?> soapRequest = SOAPFactory.getObjectFactory().createEnvelope(envelope);
Marshaller marshaller = SOAPSAMLXACMLUtil.getMarshaller();
Unmarshaller unmarshaller = SOAPSAMLXACMLUtil.getUnmarshaller();
//Send it across the wire
URL url = new URL(endpoint);
URLConnection conn = url.openConnection();
conn.setDoOutput(true);
marshaller.marshal(soapRequest, conn.getOutputStream());
JAXBElement<?> result = (JAXBElement<?>) unmarshaller.unmarshal(conn.getInputStream());
Envelope resultEnvelope = (Envelope) result.getValue();
JAXBElement<?> samlResponse = (JAXBElement<?>) resultEnvelope.getBody().getAny().get(0);
Object response = samlResponse.getValue();
if(response instanceof Fault)
{
Fault fault = (Fault) response;
return new Result(null,fault);
}
ResponseType responseType = (ResponseType) response;
AssertionType at = (AssertionType) responseType.getAssertionOrEncryptedAssertion().get(0);
XACMLAuthzDecisionStatementType xst = (XACMLAuthzDecisionStatementType) at.getStatementOrAuthnStatementOrAuthzDecisionStatement().get(0);
ResultType rt = xst.getResponse().getResult().get(0);
DecisionType dt = rt.getDecision();
return new Result(dt,null);
}
catch (JAXBException e)
{
throw new ProcessingException(e);
}
catch (IOException e)
{
throw new ProcessingException(e);
}
catch (ConfigurationException e)
{
throw new ProcessingException(e);
}
}
private Envelope createEnvelope(JAXBElement<?> jaxbElement)
{
Envelope envelope = SOAPFactory.getObjectFactory().createEnvelope();
Body body = SOAPFactory.getObjectFactory().createBody();
body.getAny().add(jaxbElement);
envelope.setBody(body);
return envelope;
}
public static class Result
{
private Fault fault = null;
private DecisionType decisionType;
Result(DecisionType decision, Fault fault)
{
this.decisionType = decision;
this.fault = fault;
}
public boolean isResponseAvailable()
{
return decisionType != null;
}
public boolean isFault()
{
return fault != null;
}
public DecisionType getDecision()
{
return decisionType;
}
public Fault getFault()
{
return fault;
}
public boolean isPermit()
{
return decisionType == DecisionType.PERMIT;
}
public boolean isDeny()
{
return decisionType == DecisionType.DENY;
}
}
}