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PicketLink Federation Core contains the core infrastructure code
/*
* JBoss, Home of Professional Open Source
*
* Copyright 2013 Red Hat, Inc. and/or its affiliates.
*
* 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.picketlink.identity.federation.api.soap;
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;
import org.picketlink.common.PicketLinkLogger;
import org.picketlink.common.PicketLinkLoggerFactory;
import org.picketlink.common.constants.JBossSAMLConstants;
import org.picketlink.common.exceptions.ConfigurationException;
import org.picketlink.common.exceptions.ParsingException;
import org.picketlink.common.exceptions.ProcessingException;
import org.picketlink.common.util.DocumentUtil;
import org.picketlink.common.util.StaxParserUtil;
import org.picketlink.common.util.StaxUtil;
import org.picketlink.identity.federation.core.parsers.saml.SAMLResponseParser;
import org.picketlink.identity.federation.core.saml.v2.common.IDGenerator;
import org.picketlink.identity.federation.core.saml.v2.util.XMLTimeUtil;
import org.picketlink.identity.federation.core.saml.v2.writers.SAMLRequestWriter;
import org.picketlink.identity.federation.core.util.SOAPUtil;
import org.picketlink.identity.federation.saml.v2.assertion.AssertionType;
import org.picketlink.identity.federation.saml.v2.assertion.NameIDType;
import org.picketlink.identity.federation.saml.v2.profiles.xacml.assertion.XACMLAuthzDecisionStatementType;
import org.picketlink.identity.federation.saml.v2.protocol.ResponseType;
import org.picketlink.identity.federation.saml.v2.protocol.XACMLAuthzDecisionQueryType;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.xml.soap.SOAPConnection;
import javax.xml.soap.SOAPConnectionFactory;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPMessage;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamWriter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URL;
/**
* Class that deals with sending XACML Request Response bundled in SAML pay load as SOAP Requests
*
* @author [email protected]
* @since Jul 30, 2009
*/
public class SOAPSAMLXACML {
private static final PicketLinkLogger logger = PicketLinkLoggerFactory.getLogger();
/**
* Given an xacml request
*
* @param endpoint
* @param issuer
* @param xacmlRequest
*
* @return
*
* @throws ProcessingException
* @throws SOAPException
* @throws ParsingException
*/
public Result send(String endpoint, String issuer, RequestType xacmlRequest) throws ProcessingException, SOAPException,
ParsingException {
try {
String id = IDGenerator.create("ID_");
XACMLAuthzDecisionQueryType queryType = new XACMLAuthzDecisionQueryType(id, XMLTimeUtil.getIssueInstant());
queryType.setRequest(xacmlRequest);
// Create Issuer
NameIDType nameIDType = new NameIDType();
nameIDType.setValue(issuer);
queryType.setIssuer(nameIDType);
SOAPMessage soapMessage = SOAPUtil.create();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
XMLStreamWriter xmlStreamWriter = StaxUtil.getXMLStreamWriter(baos);
SAMLRequestWriter samlRequestWriter = new SAMLRequestWriter(xmlStreamWriter);
samlRequestWriter.write(queryType);
logger.trace("Sending XACML Decision Query: " + new String(baos.toByteArray()));
Document reqDocument = DocumentUtil.getDocument(new ByteArrayInputStream(baos.toByteArray()));
soapMessage.getSOAPBody().addDocument(reqDocument);
/*
* Envelope envelope = createEnvelope(jaxbQueryType);
*
* JAXBElement soapRequest = SOAPFactory.getObjectFactory().createEnvelope(envelope);
*
* Marshaller marshaller = SOAPSAMLXACMLUtil.getMarshaller(); Unmarshaller unmarshaller =
* SOAPSAMLXACMLUtil.getUnmarshaller();
*/
SOAPConnectionFactory connectFactory = SOAPConnectionFactory.newInstance();
SOAPConnection connection = connectFactory.createConnection();
// Send it across the wire
URL url = new URL(endpoint);
SOAPMessage response = connection.call(soapMessage, url);
NodeList nl = response.getSOAPBody().getChildNodes();
Node node = null;
int length = nl != null ? nl.getLength() : 0;
for (int i = 0; i < length; i++) {
Node n = nl.item(i);
String localName = n.getLocalName();
if (localName.contains(JBossSAMLConstants.RESPONSE.get())) {
node = n;
break;
}
}
if (node == null)
throw logger.nullValueError("Did not find Response node");
XMLEventReader xmlEventReader = StaxParserUtil.getXMLEventReader(DocumentUtil.getNodeAsStream(node));
SAMLResponseParser samlResponseParser = new SAMLResponseParser();
ResponseType responseType = (ResponseType) samlResponseParser.parse(xmlEventReader);
// ResponseType responseType = (ResponseType) response;
AssertionType at = responseType.getAssertions().get(0).getAssertion();
XACMLAuthzDecisionStatementType xst = (XACMLAuthzDecisionStatementType) at.getStatements().iterator().next();
ResultType rt = xst.getResponse().getResult().get(0);
DecisionType dt = rt.getDecision();
return new Result(dt, null);
} catch (IOException e) {
throw logger.processingError(e);
} catch (ConfigurationException e) {
throw logger.processingError(e);
}
}
public static class Result {
private Element fault = null;
private final DecisionType decisionType;
Result(DecisionType decision, Element 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 Element getFault() {
return fault;
}
public boolean isPermit() {
return decisionType == DecisionType.PERMIT;
}
public boolean isDeny() {
return decisionType == DecisionType.DENY;
}
}
}