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com.sun.xml.wss.saml.assertion.saml20.jaxb20.Assertion Maven / Gradle / Ivy
/*
* Copyright (c) 2010, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/*
* $Id: Assertion.java,v 1.2 2010-10-21 15:38:03 snajper Exp $
*/
package com.sun.xml.wss.saml.assertion.saml20.jaxb20;
import com.sun.xml.wss.core.SecurityTokenReference;
import com.sun.xml.wss.impl.dsig.WSSPolicyConsumerImpl;
import com.sun.xml.wss.saml.SAMLException;
import com.sun.xml.wss.saml.util.SAMLUtil;
import com.sun.xml.wss.saml.internal.saml20.jaxb20.AssertionType;
import com.sun.xml.wss.saml.internal.saml20.jaxb20.NameIDType;
import java.util.GregorianCalendar;
import jakarta.xml.bind.JAXBElement;
import javax.xml.datatype.DatatypeFactory;
import java.lang.reflect.Constructor;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import com.sun.xml.wss.logging.LogDomainConstants;
import com.sun.xml.wss.impl.XMLUtil;
import com.sun.xml.wss.impl.MessageConstants;
import com.sun.xml.wss.XWSSecurityException;
import com.sun.xml.wss.core.reference.X509SubjectKeyIdentifier;
import com.sun.xml.wss.impl.misc.Base64;
import com.sun.xml.wss.saml.internal.saml20.jaxb20.AttributeStatementType;
import com.sun.xml.wss.saml.internal.saml20.jaxb20.AuthnStatementType;
import com.sun.xml.wss.saml.internal.saml20.jaxb20.AuthzDecisionStatementType;
import com.sun.xml.wss.saml.util.SAML20JAXBUtil;
import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.Map;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import jakarta.xml.bind.JAXBContext;
import java.util.Set;
import java.util.Iterator;
import java.util.logging.Logger;
import javax.xml.crypto.*;
import javax.xml.crypto.dom.DOMStructure;
import javax.xml.crypto.dsig.*;
import javax.xml.crypto.dsig.dom.DOMSignContext;
import javax.xml.crypto.dsig.dom.DOMValidateContext;
import javax.xml.crypto.dsig.keyinfo.*;
import javax.xml.crypto.dsig.spec.*;
import jakarta.xml.soap.MessageFactory;
import jakarta.xml.soap.SOAPException;
//import com.sun.xml.wss.saml.Assertion20;
import org.w3c.dom.NodeList;
/**
* This object stands for Assertion element. An Assertion is a package
* of information that supplies one or more Statement made by an
* issuer. There are three kinds of assertions Au
* {@code
* [java]
* [java]
* [java] CN=SAML User,OU=SU,O=SAML
* User,L=Los Angeles,ST=CA,C=US
* [java]
* [java] urn:oasis:names:tc:SAML:1.0:cm:sender-vouches
* [java]
* [java]
* [java]
* [java] ATTRIBUTE1
* [java]
* }
* thentication, Authorization
* Decision and Attribute assertion.
*/
public class Assertion extends AssertionType implements com.sun.xml.wss.saml.Assertion {
private Element signedAssertion = null;
private NameIDType issuerValue = null;
private java.math.BigInteger majorValue = null;
private java.math.BigInteger minorValue = null;
//private Element processedAssertionElement = null;
private List statementList = null;
private String canonicalizationMethod = CanonicalizationMethod.EXCLUSIVE;
private JAXBContext jc;
/**
* XML Information Set REC
* all namespace attributes (including those named xmlns,
* whose [prefix] property has no value) have a namespace URI of http://www.w3.org/2000/xmlns/
*/
public final static String XMLNS_URI = "http://www.w3.org/2000/xmlns/".intern();
public Assertion(AssertionType assertion) {
this.setID(assertion.getID());
this.setIssueInstant(assertion.getIssueInstant());
this.setIssuer(assertion.getIssuer());
this.setAdvice(assertion.getAdvice());
this.setConditions(assertion.getConditions());
this.setSubject(assertion.getSubject());
this.setVersion(assertion.getVersion());
this.setSignature(assertion.getSignature());
this.setStatement(assertion.getStatementOrAuthnStatementOrAuthzDecisionStatement());
}
protected static final Logger log = Logger.getLogger(
LogDomainConstants.WSS_API_DOMAIN,
LogDomainConstants.WSS_API_DOMAIN_BUNDLE);
public java.math.BigInteger getMajorVersion(){
return this.majorValue;
}
public java.math.BigInteger getMinorVersion(){
return this.minorValue;
}
public void setMajorVersion(java.math.BigInteger majorValue){
this.majorValue = majorValue;
}
public void setMinorVersion(java.math.BigInteger minorValue){
this.minorValue = minorValue;
}
public String getAssertionID(){
return getID();
}
public String getSamlIssuer(){
this.issuerValue = this.getIssuer();
return issuerValue.getValue();
}
public String getIssueInstance(){
if(this.issueInstant != null){
return this.issueInstant.toString();
}
return null;
}
@Override
public Conditions getConditions(){
Conditions cond = new Conditions(super.getConditions());
return cond;
}
@Override
public Advice getAdvice(){
Advice adv = new Advice(super.getAdvice());
return adv;
}
@Override
public Subject getSubject(){
Subject subj = new Subject(super.getSubject());
return subj;
}
/**
* sign the saml assertion (Enveloped Signature)
* @param pubKey PublicKey to be used for Signature verification
* @param privKey PrivateKey to be used for Signature calculation
*/
public Element sign(PublicKey pubKey, PrivateKey privKey) throws SAMLException {
//Check if the signature is already calculated
if ( signedAssertion != null) {
return signedAssertion;
}
//Calculate the enveloped signature
try {
XMLSignatureFactory fac = WSSPolicyConsumerImpl.getInstance().getSignatureFactory();
return sign(fac.newDigestMethod(DigestMethod.SHA1,null),SignatureMethod.RSA_SHA1, pubKey,privKey);
} catch (Exception ex) {
// log here
throw new SAMLException(ex);
}
}
public Element sign(X509Certificate cert, PrivateKey privKey, boolean alwaysIncludeCert) throws SAMLException {
//Check if the signature is already calculated
if ( signedAssertion != null) {
return signedAssertion;
}
//Calculate the enveloped signature
try {
XMLSignatureFactory fac = WSSPolicyConsumerImpl.getInstance().getSignatureFactory();
return sign(fac.newDigestMethod(DigestMethod.SHA1,null),SignatureMethod.RSA_SHA1, cert,privKey, alwaysIncludeCert);
} catch (Exception ex) {
// log here
throw new SAMLException(ex);
}
}
public Element sign(X509Certificate cert, PrivateKey privKey, boolean alwaysIncludeCert, String sigAlgorithm, String canonicalizationAlgorithm) throws SAMLException {
//Check if the signature is already calculated
if ( signedAssertion != null) {
return signedAssertion;
}
if(sigAlgorithm == null){
sigAlgorithm = SignatureMethod.RSA_SHA1;
}
if(canonicalizationAlgorithm != null){
this.canonicalizationMethod = canonicalizationAlgorithm;
}
//Calculate the enveloped signature
try {
XMLSignatureFactory fac = WSSPolicyConsumerImpl.getInstance().getSignatureFactory();
return sign(fac.newDigestMethod(DigestMethod.SHA1,null),sigAlgorithm, cert,privKey, alwaysIncludeCert);
} catch (Exception ex) {
// log here
throw new SAMLException(ex);
}
}
public Element sign(X509Certificate cert, PrivateKey privKey) throws SAMLException {
//Check if the signature is already calculated
if ( signedAssertion != null) {
return signedAssertion;
}
//Calculate the enveloped signature
try {
XMLSignatureFactory fac = WSSPolicyConsumerImpl.getInstance().getSignatureFactory();
return sign(fac.newDigestMethod(DigestMethod.SHA1,null),SignatureMethod.RSA_SHA1, cert,privKey);
} catch (Exception ex) {
// log here
throw new SAMLException(ex);
}
}
/**
* sign the saml assertion (Enveloped Signature)
* @param digestMethod DigestMethod to be used
* @param signatureMethod SignatureMethod to be used.
* @param pubKey PublicKey to be used for Signature verification
* @param privKey PrivateKey to be used for Signature calculation
*/
@SuppressWarnings("unchecked")
public Element sign(DigestMethod digestMethod, String signatureMethod,PublicKey pubKey, PrivateKey privKey) throws SAMLException {
//Check if the signature is already calculated
if ( signedAssertion != null) {
return signedAssertion;
//return;
}
//Calculate the enveloped signature
try {
XMLSignatureFactory fac = WSSPolicyConsumerImpl.getInstance().getSignatureFactory();
ArrayList transformList = new ArrayList();
Transform tr1 = fac.newTransform(Transform.ENVELOPED, (TransformParameterSpec) null);
Transform tr2 = fac.newTransform(CanonicalizationMethod.EXCLUSIVE, (TransformParameterSpec) null);
transformList.add(tr1);
transformList.add(tr2);
String uri = "#" + this.getID();
Reference ref = fac.newReference(uri,digestMethod,transformList, null, null);
// Create the SignedInfo
SignedInfo si = fac.newSignedInfo
(fac.newCanonicalizationMethod
(CanonicalizationMethod.EXCLUSIVE,(C14NMethodParameterSpec) null),
fac.newSignatureMethod(signatureMethod, null),
Collections.singletonList(ref));
// Create a KeyValue containing the DSA PublicKey that was generated
KeyInfoFactory kif = fac.getKeyInfoFactory();
KeyValue kv = kif.newKeyValue(pubKey);
// Create a KeyInfo and add the KeyValue to it
KeyInfo ki = kif.newKeyInfo(Collections.singletonList(kv));
// Instantiate the document to be signed
Document doc = XMLUtil.newDocument();
//Document document;
//Element assertionElement = this.toElement(doc);
Element assertionElement = this.toElement(doc);
//try {
// DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
// DocumentBuilder builder = factory.newDocumentBuilder();
// document = builder.newDocument();
//} catch (Exception ex) {
// throw new XWSSecurityException("Unable to create Document : " + ex.getMessage());
//}
//document.appendChild(assertionElement);
//doc.appendChild(assertionElement);
// Create a DOMSignContext and specify the DSA PrivateKey and
// location of the resulting XMLSignature's parent element
DOMSignContext dsc = null;
KeySelector ks = KeySelector.singletonKeySelector(privKey);
NodeList nl = assertionElement.getElementsByTagNameNS(assertionElement.getNamespaceURI(), "Issuer");
Node issuer = null;
if (nl != null && nl.getLength() > 0) {
issuer = nl.item(0);
}
Node nextSibling = (issuer != null) ? issuer.getNextSibling():null;
if (nextSibling != null) {
dsc = new DOMSignContext(ks, assertionElement, nextSibling);
} else {
dsc = new DOMSignContext(privKey, assertionElement);
}
HashMap map = new HashMap();
map.put(this.getID(),assertionElement);
dsc.setURIDereferencer(new DSigResolver(map,assertionElement));
XMLSignature signature = fac.newXMLSignature(si, ki);
dsc.putNamespacePrefix("http://www.w3.org/2000/09/xmldsig#", "ds");
// Marshal, generate (and sign) the enveloped signature
signature.sign(dsc);
signedAssertion = assertionElement;
return assertionElement;
} catch (Exception ex) {
// log here
throw new SAMLException(ex);
}
//return signedAssertion;
}
@SuppressWarnings("unchecked")
public Element sign(DigestMethod digestMethod, String signatureMethod, X509Certificate cert, PrivateKey privKey, boolean includeCert) throws SAMLException {
//Check if the signature is already calculated
if ( signedAssertion != null) {
return signedAssertion;
//return;
}
//Calculate the enveloped signature
try {
XMLSignatureFactory fac = WSSPolicyConsumerImpl.getInstance().getSignatureFactory();
ArrayList transformList = new ArrayList();
Transform tr1 = fac.newTransform(Transform.ENVELOPED, (TransformParameterSpec) null);
Transform tr2 = fac.newTransform(canonicalizationMethod, (TransformParameterSpec) null);
transformList.add(tr1);
transformList.add(tr2);
String uri = "#" + this.getID();
Reference ref = fac.newReference(uri,digestMethod,transformList, null, null);
// Create the SignedInfo
SignedInfo si = fac.newSignedInfo
(fac.newCanonicalizationMethod
(canonicalizationMethod,
(C14NMethodParameterSpec) null),
fac.newSignatureMethod(signatureMethod, null),
Collections.singletonList(ref));
// Instantiate the document to be signed
Document doc = MessageFactory.newInstance().createMessage().getSOAPPart();
KeyInfoFactory kif = fac.getKeyInfoFactory();
KeyInfo ki = null;
if (!includeCert){
byte[] skid = X509SubjectKeyIdentifier.getSubjectKeyIdentifier(cert);
if (skid != null){
X509SubjectKeyIdentifier keyIdentifier = new X509SubjectKeyIdentifier(doc);
keyIdentifier.setCertificate(cert);
keyIdentifier.setReferenceValue(Base64.encode(skid));
SecurityTokenReference str = new SecurityTokenReference();
str.setReference(keyIdentifier);
DOMStructure domKeyInfo = new DOMStructure(str.getAsSoapElement());
ki = kif.newKeyInfo(Collections.singletonList(domKeyInfo));
}
}
if (ki == null){
X509Data x509Data = kif.newX509Data(Collections.singletonList(cert));
ki = kif.newKeyInfo(Collections.singletonList(x509Data));
}
/* KeyIdentifier kid = new KeyIdentifierImpl(MessageConstants.X509SubjectKeyIdentifier_NS, MessageConstants.MessageConstants.BASE64_ENCODING_NS);
kid.setValue(Base64.encode(X509SubjectKeyIdentifier.getSubjectKeyIdentifier(cert)));
SecurityTokenReference str = new SecurityTokenReferenceImpl(kid);*/
Element assertionElement = this.toElement(doc);
//try {
// DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
// DocumentBuilder builder = factory.newDocumentBuilder();
// document = builder.newDocument();
//} catch (Exception ex) {
// throw new XWSSecurityException("Unable to create Document : " + ex.getMessage());
//}
//document.appendChild(assertionElement);
//doc.appendChild(assertionElement);
// Create a DOMSignContext and specify the DSA PrivateKey and
// location of the resulting XMLSignature's parent element
DOMSignContext dsc = null;
KeySelector ks = KeySelector.singletonKeySelector(privKey);
NodeList nl = assertionElement.getElementsByTagNameNS(assertionElement.getNamespaceURI(), "Issuer");
Node issuer = null;
if (nl != null && nl.getLength() > 0) {
issuer = nl.item(0);
}
Node nextSibling = (issuer != null) ? issuer.getNextSibling():null;
if (nextSibling != null) {
dsc = new DOMSignContext(ks, assertionElement, nextSibling);
} else {
dsc = new DOMSignContext(privKey, assertionElement);
}
HashMap map = new HashMap();
map.put(this.getID(),assertionElement);
dsc.setURIDereferencer(new DSigResolver(map,assertionElement));
XMLSignature signature = fac.newXMLSignature(si, ki);
dsc.putNamespacePrefix("http://www.w3.org/2000/09/xmldsig#", "ds");
// Marshal, generate (and sign) the enveloped signature
signature.sign(dsc);
signedAssertion = assertionElement;
return assertionElement;
} catch (XWSSecurityException ex) {
throw new SAMLException(ex);
} catch (MarshalException ex) {
throw new SAMLException(ex);
} catch (NoSuchAlgorithmException ex) {
throw new SAMLException(ex);
} catch (SOAPException ex) {
throw new SAMLException(ex);
} catch (XMLSignatureException ex) {
throw new SAMLException(ex);
} catch (InvalidAlgorithmParameterException ex) {
throw new SAMLException(ex);
}
}
public Element sign(DigestMethod digestMethod, String signatureMethod, X509Certificate cert, PrivateKey privKey) throws SAMLException {
return sign(digestMethod, signatureMethod, cert, privKey, false);
}
public Element toElement(Node doc) throws XWSSecurityException {
if ( signedAssertion == null) {
signedAssertion = SAMLUtil.toElement(doc, this,jc);
if (signedAssertion == null ){
return signedAssertion;
}
if ( System.getProperty("com.sun.xml.wss.saml.binding.jaxb") == null) {
signedAssertion.setAttributeNS(XMLNS_URI, "xmlns:xs", MessageConstants.XSD_NS);
}
}
return signedAssertion;
}
public boolean isSigned() {
return signature != null?true:false;
}
/**
* This constructor is used to build Assertion object from a
* block of existing XML that has already been built into a DOM.
*
* @param element A org.w3c.dom.Element representing
* DOM tree for Assertion object
* @exception SAMLException if it could not process the Element properly,
* implying that there is an error in the sender or in the
* element definition.
*/
public static Assertion fromElement(org.w3c.dom.Element element)
throws SAMLException {
try {
JAXBContext jc = SAML20JAXBUtil.getJAXBContext();
jakarta.xml.bind.Unmarshaller u = jc.createUnmarshaller();
Object el = u.unmarshal(element);
//return new Assertion((AssertionType)u.unmarshal(element));
return new Assertion((AssertionType)((JAXBElement)el).getValue());
} catch ( Exception ex) {
// log here
throw new SAMLException(ex);
}
}
@SuppressWarnings("unchecked")
private void setStatement(List statement) {
this.statementOrAuthnStatementOrAuthzDecisionStatement = statement;
}
public String getType() {
return MessageConstants.SAML_v2_0_NS;
}
public Object getTokenValue() {
try {
Document doc = XMLUtil.newDocument();
return this.toElement(doc);
} catch (ParserConfigurationException ex) {
} catch (XWSSecurityException ex) {
}
return null;
}
/**
* This constructor is used to populate the data members: the
* assertionID, the issuer, time when assertion issued,
* the conditions when creating a new assertion , Advice
* applicable to this Assertion and a set of
* Statement(s) in the assertion.
*
* @param assertionID AssertionID object contained within this
* Assertion if null its generated internally.
* @param issuer The issuer of this assertion.
* @param issueInstant Time instant of the issue. It has type
* dateTime which is built in to the W3C XML Schema
* Types specification. if null, current time is used.
* @param conditions Conditions under which the this
* Assertion is valid.
* @param advice Advice applicable for this
* Assertion.
* @param statements List of Statement objects within this
* Assertion. It could be of type
* AuthenticationStatement,
* AuthorizationDecisionStatement and
* AttributeStatement. Each Assertion can have
* multiple type of statements in it.
* @exception SAMLException if there is an error in processing input.
*/
public Assertion(
String assertionID, NameID issuer, GregorianCalendar issueInstant,
Conditions conditions, Advice advice, Subject subject, List statements)
throws SAMLException {
if ( assertionID != null)
setID(assertionID);
if ( issuer != null)
setIssuer(issuer);
if ( issueInstant != null) {
try {
DatatypeFactory factory = DatatypeFactory.newInstance();
setIssueInstant(factory.newXMLGregorianCalendar(issueInstant));
} catch (Exception e) {
//ignore
}
}
if ( conditions != null)
setConditions(conditions);
if ( advice != null)
setAdvice(advice);
if ( statements != null)
setStatement(statements);
if ( subject != null)
setSubject(subject);
setVersion("2.0");
}
/**
* This constructor is used to populate the data members: the
* assertionID, the issuer, time when assertion issued,
* the conditions when creating a new assertion , Advice
* applicable to this Assertion ,a set of
* Statement(s) and a JAXBContext for the assertion.
*
* @param assertionID AssertionID object contained within this
* Assertion if null its generated internally.
* @param issuer The issuer of this assertion.
* @param issueInstant Time instant of the issue. It has type
* dateTime which is built in to the W3C XML Schema
* Types specification. if null, current time is used.
* @param conditions Conditions under which the this
* Assertion is valid.
* @param advice Advice applicable for this
* Assertion.
* @param statements List of Statement objects within this
* Assertion. It could be of type
* AuthenticationStatement,
* AuthorizationDecisionStatement and
* AttributeStatement. Each Assertion can have
* multiple type of statements in it.
* @param jcc JAXBContext to be used for marshaling and unmarshalling the asertions.
* @exception SAMLException if there is an error in processing input.
*/
public Assertion(
String assertionID, NameID issuer, GregorianCalendar issueInstant,
Conditions conditions, Advice advice, Subject subject, List statements,JAXBContext jcc)
throws SAMLException {
this( assertionID, issuer, issueInstant,
conditions, advice, subject, statements);
jc=jcc;
}
@SuppressWarnings("unchecked")
private static class DSigResolver implements URIDereferencer{
//TODO : Convert DSigResolver to singleton class.
Element elem = null;
Map map = null;
Class _nodeSetClass = null;
String optNSClassName = "org.apache.jcp.xml.dsig.internal.dom.DOMSubTreeData";
Constructor _constructor = null;
Boolean _false = Boolean.valueOf(false);
DSigResolver(Map map,Element elem){
this.elem = elem;
this.map = map;
init();
}
void init(){
try{
_nodeSetClass = Class.forName(optNSClassName);
_constructor = _nodeSetClass.getConstructor(new Class [] {org.w3c.dom.Node.class,boolean.class});
}catch(LinkageError le){
// logger.log (Level.FINE,"Not able load JSR 105 RI specific NodeSetData class ",le);
}catch(ClassNotFoundException cne){
// logger.log (Level.FINE,"Not able load JSR 105 RI specific NodeSetData class ",cne);
}catch(NoSuchMethodException ne){
}
}
public Data dereference(URIReference uriRef, XMLCryptoContext context) throws URIReferenceException {
try{
String uri = null;
uri = uriRef.getURI();
return dereferenceURI(uri,context);
}catch(Exception ex){
// log here
throw new URIReferenceException(ex);
}
}
Data dereferenceURI(String uri, XMLCryptoContext context) throws URIReferenceException{
if(uri.charAt(0) == '#'){
uri = uri.substring(1,uri.length());
Element el = elem.getOwnerDocument().getElementById(uri);
if(el == null){
el = (Element)map.get(uri);
}
if(_constructor != null){
try{
return (Data)_constructor.newInstance(new Object[] {el,_false});
}catch(Exception ex){
// TODO: igonore this ?
ex.printStackTrace();
}
}else{
final HashSet nodeSet = new HashSet();
toNodeSet(el,nodeSet);
return new NodeSetData(){
public Iterator iterator(){
return nodeSet.iterator();
}
};
}
}
return null;
//throw new URIReferenceException("Resource "+uri+" was not found");
}
void toNodeSet(final Node rootNode,final Set result){
switch (rootNode.getNodeType()) {
case Node.ELEMENT_NODE:
result.add(rootNode);
Element el=(Element)rootNode;
if (el.hasAttributes()) {
NamedNodeMap nl = ((Element)rootNode).getAttributes();
for (int i=0;i getStatements() {
if(statementList == null){
statementList = new ArrayList();
}else{
return statementList;
}
List list = super.getStatementOrAuthnStatementOrAuthzDecisionStatement();
Iterator ite = list.iterator();
while (ite.hasNext()) {
Object object = ite.next();
if (object instanceof AttributeStatementType) {
AttributeStatement attStmt = new AttributeStatement((AttributeStatementType) object);
statementList.add(attStmt);
} else if (object instanceof AuthnStatementType) {
AuthnStatement authStmt = new AuthnStatement((AuthnStatementType) object);
statementList.add(authStmt);
} else if (object instanceof AuthzDecisionStatementType) {
AuthzDecisionStatement authDesStmt = new AuthzDecisionStatement((AuthzDecisionStatementType) object);
statementList.add(authDesStmt);
}else if((object instanceof AttributeStatement) ||
(object instanceof AuthnStatement) ||
(object instanceof AuthzDecisionStatement)){
statementList = list;
return statementList;
}
}
return statementList;
}
@SuppressWarnings("unchecked")
public boolean verifySignature(PublicKey pubKey) throws SAMLException {
try {
Document doc = XMLUtil.newDocument();
Element samlAssertion = this.toElement(doc);
HashMap map = new HashMap();
map.put(this.getID(), samlAssertion);
NodeList nl = samlAssertion.getElementsByTagNameNS(MessageConstants.DSIG_NS, "Signature");
//verify the signature inside the SAML assertion
if (nl.getLength() == 0) {
throw new SAMLException("Unsigned SAML Assertion encountered while verifying the SAML signature");
}
Element signElement = (Element) nl.item(0);
DOMValidateContext validationContext = new DOMValidateContext(pubKey, signElement);
XMLSignatureFactory signatureFactory = WSSPolicyConsumerImpl.getInstance().getSignatureFactory();
// unmarshal the XMLSignature
XMLSignature xmlSignature = signatureFactory.unmarshalXMLSignature(validationContext);
validationContext.setURIDereferencer(new DSigResolver(map, samlAssertion));
boolean coreValidity = xmlSignature.validate(validationContext);
return coreValidity;
} catch (Exception ex) {
throw new SAMLException(ex);
}
}
}
