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com.sun.xml.wss.impl.dsig.KeySelectorImpl Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 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
*/
/**
* KeySelectorImpl.java
*
* Created on February 25, 2005, 4:36 PM
*/
package com.sun.xml.wss.impl.dsig;
import com.sun.xml.ws.api.security.secconv.client.SCTokenConfiguration;
import com.sun.xml.wss.impl.FilterProcessingContext;
import com.sun.xml.wss.impl.policy.mls.AuthenticationTokenPolicy;
import com.sun.xml.wss.impl.policy.mls.SignaturePolicy;
import com.sun.xml.wss.logging.LogDomainConstants;
import com.sun.xml.wss.impl.MessageConstants;
import com.sun.xml.wss.impl.SecurableSoapMessage;
import com.sun.xml.wss.impl.XMLUtil;
import com.sun.xml.wss.XWSSecurityException;
import com.sun.xml.wss.saml.AssertionUtil;
import com.sun.xml.wss.saml.SAMLException;
import com.sun.xml.wss.core.ReferenceElement;
import com.sun.xml.wss.core.SecurityToken;
import com.sun.xml.wss.core.SecurityTokenReference;
import com.sun.xml.wss.core.X509SecurityToken;
import com.sun.xml.wss.core.reference.DirectReference;
import com.sun.xml.wss.core.reference.KeyIdentifier;
import com.sun.xml.wss.core.EncryptedKeyToken;
import com.sun.xml.wss.core.KeyInfoHeaderBlock;
import com.sun.xml.wss.core.SecurityContextTokenImpl;
import com.sun.xml.ws.security.SecurityContextToken;
import com.sun.xml.wss.core.DerivedKeyTokenHeaderBlock;
import com.sun.xml.ws.security.impl.DerivedKeyTokenImpl;
import com.sun.xml.ws.security.DerivedKeyToken;
import com.sun.xml.ws.security.IssuedTokenContext;
import com.sun.xml.wss.impl.misc.DefaultSecurityEnvironmentImpl;
import com.sun.xml.wss.impl.misc.Base64;
import com.sun.xml.wss.saml.Assertion;
import com.sun.xml.wss.saml.util.SAMLUtil;
import java.math.BigInteger;
import java.security.Key;
import java.security.KeyException;
import java.security.PublicKey;
import java.security.MessageDigest;
import java.security.cert.X509Certificate;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.crypto.AlgorithmMethod;
import javax.xml.crypto.KeySelector;
import javax.xml.crypto.KeySelectorException;
import javax.xml.crypto.KeySelectorResult;
import javax.xml.crypto.MarshalException;
import javax.xml.crypto.NodeSetData;
import javax.xml.crypto.URIDereferencer;
import javax.xml.crypto.URIReference;
import javax.xml.crypto.URIReferenceException;
import javax.xml.crypto.XMLCryptoContext;
import javax.xml.crypto.XMLStructure;
import javax.xml.crypto.KeySelector.Purpose;
import javax.xml.crypto.dom.DOMStructure;
import javax.xml.crypto.dsig.SignatureMethod;
import javax.xml.crypto.dsig.keyinfo.KeyInfo;
import javax.xml.crypto.dsig.keyinfo.KeyInfoFactory;
import javax.xml.crypto.dsig.keyinfo.KeyName;
import javax.xml.crypto.dsig.keyinfo.KeyValue;
import javax.xml.crypto.dsig.keyinfo.X509Data;
import javax.xml.crypto.dsig.keyinfo.X509IssuerSerial;
import com.sun.xml.wss.impl.policy.MLSPolicy;
import com.sun.xml.wss.impl.policy.mls.DerivedTokenKeyBinding;
import com.sun.xml.wss.impl.policy.mls.SymmetricKeyBinding;
import com.sun.xml.wss.impl.policy.mls.SecureConversationTokenKeyBinding;
import com.sun.xml.wss.impl.policy.mls.IssuedTokenKeyBinding;
import jakarta.xml.soap.SOAPElement;
import javax.xml.namespace.QName;
import com.sun.xml.wss.impl.policy.SecurityPolicy;
import com.sun.xml.wss.impl.policy.mls.WSSPolicy;
import com.sun.xml.wss.impl.policy.mls.MessagePolicy;
import com.sun.xml.wss.impl.PolicyTypeUtil;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.crypto.spec.SecretKeySpec;
import com.sun.xml.wss.impl.misc.SecurityUtil;
import com.sun.xml.wss.impl.AlgorithmSuite;
import com.sun.xml.ws.security.trust.elements.BinarySecret;
import com.sun.xml.ws.security.trust.WSTrustElementFactory;
import com.sun.xml.ws.api.security.trust.WSTrustException;
import com.sun.xml.ws.api.security.trust.client.IssuedTokenManager;
import com.sun.xml.wss.impl.misc.KeyResolver;
import javax.security.auth.Subject;
import com.sun.xml.ws.runtime.dev.SessionManager;
import com.sun.xml.ws.security.SecurityContextTokenInfo;
import com.sun.xml.ws.security.secconv.WSSecureConversationException;
import com.sun.xml.ws.security.secconv.impl.client.DefaultSCTokenConfiguration;
import com.sun.xml.wss.logging.impl.dsig.LogStringsMessages;
import java.net.URI;
/**
* Implementation of JSR 105 KeySelector interface.
* Supports resolving Key information from
* SecurityTokenReference elements, KeyName,
* X509Data and KeyValue.
* @author [email protected] ,XWS-Security team
*/
public class KeySelectorImpl extends KeySelector{
private static KeySelectorImpl keyResolver = null;
private static Logger logger = Logger.getLogger(LogDomainConstants.IMPL_SIGNATURE_DOMAIN,
LogDomainConstants.IMPL_SIGNATURE_DOMAIN_BUNDLE);
/** Creates a new instance of KeySelectorImpl */
static{
keyResolver = new KeySelectorImpl();
}
private KeySelectorImpl() {
}
/**
*
* @return
*/
public static KeySelector getInstance(){
return keyResolver;
}
/**
*
* @param keyInfo
* @param purpose
* @param method
* @param context
* @throws KeySelectorException
* @return
*/
public KeySelectorResult select(KeyInfo keyInfo, Purpose purpose, AlgorithmMethod method, XMLCryptoContext context) throws KeySelectorException {
if (keyInfo == null) {
if(logger.getLevel() == Level.SEVERE){
logger.log(Level.SEVERE,LogStringsMessages.WSS_1317_KEYINFO_NULL());
}
throw new KeySelectorException("Null KeyInfo object!");
}
if(logger.isLoggable(Level.FINEST)){
logger.log(Level.FINEST, "KeySelectorResult::select Purpose = "+purpose);
logger.log(Level.FINEST, "KeySelectorResult::select Algorithm is "+method.getAlgorithm());
logger.log(Level.FINEST, "KeySelectorResult::select ParameterSpec is "+method.getParameterSpec());
}
try{
SignatureMethod sm = (SignatureMethod) method;
List list = keyInfo.getContent();
FilterProcessingContext wssContext = (FilterProcessingContext)context.get(MessageConstants.WSS_PROCESSING_CONTEXT);
SecurityPolicy securityPolicy = wssContext.getSecurityPolicy();
boolean isBSP = false;
if(securityPolicy != null) {
if (PolicyTypeUtil.messagePolicy(securityPolicy)) {
isBSP = ((MessagePolicy)securityPolicy).isBSP();
} else {
isBSP = ((WSSPolicy)securityPolicy).isBSP();
}
}
if (isBSP && list.size() > 1) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1350_ILLEGAL_BSP_VIOLATION_KEY_INFO());
throw SecurableSoapMessage.newSOAPFaultException(MessageConstants.WSSE_INVALID_SECURITY_TOKEN,
"BSP Violation of R5402: KeyInfo MUST have exactly one child", null);
}
boolean isStr = false;
for (int i = 0; i < list.size(); i++) {
XMLStructure xmlStructure = (XMLStructure) list.get(i);
if (xmlStructure instanceof KeyValue) {
PublicKey pk = null;
try {
pk = ((KeyValue)xmlStructure).getPublicKey();
} catch (KeyException ke) {
logger.log(Level.SEVERE,LogStringsMessages.WSS_1351_EXCEPTION_KEYSELECTOR_PUBLICKEY(), ke);
throw new KeySelectorException(ke);
}
//if the purpose is signature verification, we need to make sure we
//trust the certificate. in case of HOK SAML this can be the cert of the IP
if (purpose == Purpose.VERIFY) {
X509Certificate cert = wssContext.getSecurityEnvironment().getCertificate(wssContext.getExtraneousProperties(),pk,false);
wssContext.getSecurityEnvironment().validateCertificate(cert, wssContext.getExtraneousProperties());
}
// make sure algorithm is compatible with method
if (algEquals(sm.getAlgorithm(), pk.getAlgorithm())) {
return new SimpleKeySelectorResult(pk);
}
} else if(xmlStructure instanceof DOMStructure) {
SOAPElement reference = (SOAPElement)((DOMStructure)xmlStructure).getNode();
if(isSecurityTokenReference(reference)){
isStr = true;
final Key key = resolve(reference, context, purpose);
return new KeySelectorResult(){
public Key getKey(){
return key;
}
};
}
}else if (xmlStructure instanceof KeyName) {
KeyName keyName = (KeyName) xmlStructure;
Key returnKey = wssContext.getSecurityEnvironment().getSecretKey(
wssContext.getExtraneousProperties(),keyName.getName(),false);
if(returnKey == null){
X509Certificate cert = wssContext.getSecurityEnvironment().getCertificate(
wssContext.getExtraneousProperties(),keyName.getName(), false);
if (cert != null && algEquals(sm.getAlgorithm(),cert.getPublicKey().getAlgorithm())) {
//update other party subject here
wssContext.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(wssContext), cert);
return new SimpleKeySelectorResult(cert.getPublicKey());
}
}else{
return new SimpleKeySelectorResult(returnKey);
}
}else if (xmlStructure instanceof X509Data){
Key key = resolveX509Data(wssContext, (X509Data)xmlStructure, purpose);
return new SimpleKeySelectorResult(key);
}
}
if (isBSP && !isStr) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1379_ILLEGAL_BSP_VIOLATION_OF_R_5409());
throw SecurableSoapMessage.newSOAPFaultException(MessageConstants.WSSE_INVALID_SECURITY_TOKEN,
"BSP Violation of R5409: Child element of KeyInfo MUST be a STR element", null);
}
}catch(KeySelectorException kse){
logger.log(Level.SEVERE, LogStringsMessages.WSS_1352_EXCEPTION_KEYSELECTOR(), kse);
throw kse;
}catch(Exception ex){
logger.log(Level.SEVERE,LogStringsMessages.WSS_1353_UNABLE_RESOLVE_KEY_INFORMATION(),ex.getMessage());
throw new KeySelectorException(ex);
}
logger.log(Level.SEVERE, LogStringsMessages.WSS_1354_NULL_KEY_VALUE());
throw new KeySelectorException("No KeyValue element found!");
}
//@@@FIXME: this should also work for key types other than DSA/RSA
/**
*
* @param algURI
* @param algName
* @return
*/
static boolean algEquals(String algURI, String algName) {
if (algName.equalsIgnoreCase("DSA") &&
algURI.equalsIgnoreCase(SignatureMethod.DSA_SHA1)) {
return true;
} else if (algName.equalsIgnoreCase("RSA") &&
algURI.equalsIgnoreCase(SignatureMethod.RSA_SHA1)) {
return true;
} else {
return false;
}
}
private static class SimpleKeySelectorResult implements KeySelectorResult {
private Key pk;
SimpleKeySelectorResult(Key pk) {
this.pk = pk;
}
public Key getKey() { return pk; }
}
@SuppressWarnings("unchecked")
private static Key resolve(SOAPElement securityTokenReference,XMLCryptoContext context, Purpose purpose)throws KeySelectorException {
try{
FilterProcessingContext wssContext = (FilterProcessingContext)context.get(MessageConstants.WSS_PROCESSING_CONTEXT);
SecurableSoapMessage secureMsg = wssContext.getSecurableSoapMessage();
AlgorithmSuite algSuite = wssContext.getAlgorithmSuite();
String encAlgo = null;
boolean isPolicyRecipient = (wssContext.getMode()== FilterProcessingContext.WSDL_POLICY);
if(algSuite != null){
encAlgo = algSuite.getEncryptionAlgorithm();
}
SecurityPolicy securityPolicy = wssContext.getSecurityPolicy();
boolean isBSP = false;
if(securityPolicy != null) {
if (PolicyTypeUtil.messagePolicy(securityPolicy)) {
isBSP = ((MessagePolicy)securityPolicy).isBSP();
} else {
isBSP = ((WSSPolicy)securityPolicy).isBSP();
}
}
SecurityTokenReference str = new SecurityTokenReference(securityTokenReference, isBSP);
ReferenceElement refElement = str.getReference();
HashMap tokenCache = wssContext.getTokenCache();
HashMap insertedX509Cache = wssContext.getInsertedX509Cache();
SignaturePolicy policy = (SignaturePolicy)wssContext.getInferredPolicy();
SignaturePolicy inferredSignaturePolicy = null;
if(isPolicyRecipient){
int i = wssContext.getInferredSecurityPolicy().size() - 1;
//When we call SigProc.verifySignature for a SAMLAssertion from KeyResolver
if (PolicyTypeUtil.signaturePolicy(wssContext.getInferredSecurityPolicy().get(i))) {
inferredSignaturePolicy = (SignaturePolicy)wssContext.getInferredSecurityPolicy().get(i);
}
}
// will be only during verify.
AuthenticationTokenPolicy.X509CertificateBinding keyBinding = null;
//TODO: what is this case here
if(policy != null) {
keyBinding = (AuthenticationTokenPolicy.X509CertificateBinding) policy.newX509CertificateKeyBinding();
}
Key returnKey = null;
boolean isSymmetric = false;
if (refElement instanceof KeyIdentifier) {
KeyIdentifier keyId = (KeyIdentifier)refElement;
if(keyBinding != null){
keyBinding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
keyBinding.setValueType(keyId.getValueType());
}
if (MessageConstants.X509SubjectKeyIdentifier_NS.equals(keyId.getValueType()) ||
MessageConstants.X509v3SubjectKeyIdentifier_NS.equals(keyId.getValueType())) {
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
x509Binding.setValueType(MessageConstants.X509SubjectKeyIdentifier_NS);
x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(x509Binding);
} else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
isSymmetric = true;
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
if(dktBind.getOriginalKeyBinding() == null)
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding())){
dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
isSymmetric = true;
}
}
}
if (purpose == Purpose.VERIFY) {
byte[] keyIdBytes = XMLUtil.getDecodedBase64EncodedData(keyId.getReferenceValue());
wssContext.setExtraneousProperty(MessageConstants.REQUESTER_KEYID, new String(keyIdBytes));
// add missing update to other party certificate
X509Certificate cert = wssContext.getSecurityEnvironment().getCertificate(
wssContext.getExtraneousProperties(),keyIdBytes);
if (!isSymmetric) {
wssContext.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(wssContext), cert);
}
returnKey = cert.getPublicKey();
} else if(purpose == Purpose.SIGN){
returnKey =wssContext.getSecurityEnvironment().getPrivateKey(
wssContext.getExtraneousProperties(),
XMLUtil.getDecodedBase64EncodedData(keyId.getReferenceValue()));
}
} else if (MessageConstants.ThumbPrintIdentifier_NS.equals(keyId.getValueType())) {
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
x509Binding.setValueType(MessageConstants.ThumbPrintIdentifier_NS);
x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(x509Binding);
} else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
isSymmetric = true;
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
if(dktBind.getOriginalKeyBinding() == null)
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding())){
dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
isSymmetric = true;
}
}
}
if (purpose == Purpose.VERIFY) {
byte[] keyIdBytes = XMLUtil.getDecodedBase64EncodedData(keyId.getReferenceValue());
wssContext.setExtraneousProperty(MessageConstants.REQUESTER_KEYID, new String(keyIdBytes));
//update other party subject
X509Certificate cert = wssContext.getSecurityEnvironment().getCertificate(
wssContext.getExtraneousProperties(),keyIdBytes, MessageConstants.THUMB_PRINT_TYPE);
if (!isSymmetric) {
wssContext.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(wssContext), cert);
}
returnKey = cert.getPublicKey();
} else if(purpose == Purpose.SIGN){
returnKey =wssContext.getSecurityEnvironment().getPrivateKey(
wssContext.getExtraneousProperties(),
XMLUtil.getDecodedBase64EncodedData(keyId.getReferenceValue()), MessageConstants.THUMB_PRINT_TYPE);
}
}else if (MessageConstants.EncryptedKeyIdentifier_NS.equals(keyId.getValueType())){
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
SymmetricKeyBinding skBinding = new SymmetricKeyBinding();
AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
skBinding.setKeyBinding(x509Binding);
//TODO: ReferenceType and ValueType not set on X509Binding
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(skBinding);
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(skBinding);
}
}
//Set return key here
String ekSha1RefValue = (String)wssContext.getExtraneousProperty("EncryptedKeySHA1");
Key secretKey = (Key)wssContext.getExtraneousProperty("SecretKey");
String keyRefValue = keyId.getReferenceValue();
if(ekSha1RefValue != null && secretKey != null){
if(ekSha1RefValue.equals(keyRefValue))
returnKey = secretKey;
}else{
String message = "EncryptedKeySHA1 reference not correct";
logger.log(Level.SEVERE,LogStringsMessages.WSS_1306_UNSUPPORTED_KEY_IDENTIFIER_REFERENCE_TYPE(), new Object[] {message});
throw new KeySelectorException(message);
}
//returnKey = null;
} else if (MessageConstants.WSSE_SAML_KEY_IDENTIFIER_VALUE_TYPE.equals(keyId.getValueType()) ||
MessageConstants.WSSE_SAML_v2_0_KEY_IDENTIFIER_VALUE_TYPE.equals (keyId.getValueType ())) {
String assertionID = keyId.getReferenceValue();
Element tokenElement = wssContext.getIssuedSAMLToken();
if (tokenElement == null) {
Assertion samlAssertion = (Assertion)tokenCache.get(assertionID);
if (samlAssertion == null) {
if (str.getSamlAuthorityBinding() != null) {
tokenElement = wssContext.getSecurityEnvironment().
locateSAMLAssertion(
wssContext.getExtraneousProperties(), str.getSamlAuthorityBinding(), assertionID, secureMsg.getSOAPPart());
} else {
tokenElement = SAMLUtil.locateSamlAssertion(assertionID,secureMsg.getSOAPPart());
if (!("true".equals((String)wssContext.getExtraneousProperty(MessageConstants.SAML_SIG_RESOLVED))) ||
"false".equals((String)wssContext.getExtraneousProperty(MessageConstants.SAML_SIG_RESOLVED))){
wssContext.setExtraneousProperty(MessageConstants.SAML_SIG_RESOLVED,"false");
}
}
} else {
try {
tokenElement = samlAssertion.toElement(null);
} catch (Exception e) {
logger.log(Level.SEVERE,LogStringsMessages.WSS_1355_UNABLETO_RESOLVE_SAML_ASSERTION(),e.getMessage());
throw new KeySelectorException(e);
}
}
}
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
IssuedTokenKeyBinding itkBinding = new IssuedTokenKeyBinding();
if(inferredKB == null){
if (wssContext.hasIssuedToken()){
inferredSignaturePolicy.setKeyBinding(itkBinding);
}else{
inferredSignaturePolicy.setKeyBinding(new AuthenticationTokenPolicy.SAMLAssertionBinding());
}
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(itkBinding);
}
}
returnKey = resolveSamlAssertion(context,tokenElement, purpose, assertionID);
addAuthorityId(tokenElement,wssContext);
if (wssContext.hasIssuedToken() && returnKey != null){
SecurityUtil.initInferredIssuedTokenContext(wssContext, str, returnKey);
}
} else {
// it could be SAML AssertionID without ValueType on KeyIdentifier
String assertionID = keyId.getDecodedReferenceValue();
Element samlAssertion = null;
try {
samlAssertion = resolveSAMLToken(str, assertionID, wssContext);
} catch (Exception e) {
if(logger.isLoggable(Level.FINEST)){
logger.log(Level.FINEST,"Error occurred while trying " +
"to resolve SAML assertion"+e.getMessage());
}
}
if (samlAssertion != null) {
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
IssuedTokenKeyBinding itkBinding = new IssuedTokenKeyBinding();
if(inferredKB == null){
if (wssContext.hasIssuedToken()){
inferredSignaturePolicy.setKeyBinding(itkBinding);
}else{
inferredSignaturePolicy.setKeyBinding(new AuthenticationTokenPolicy.SAMLAssertionBinding());
}
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(itkBinding);
}
}
returnKey = resolveSamlAssertion(context,samlAssertion, purpose, assertionID);
addAuthorityId(samlAssertion,wssContext);
//whenever we have SAML we want to record the proofkey and str
if (wssContext.hasIssuedToken() && returnKey != null){
SecurityUtil.initInferredIssuedTokenContext(wssContext, str, returnKey);
}
} else {
// now assume its an X509Token
// Note: the code below assumes base64 EncodingType for X509 SKI
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
x509Binding.setValueType(MessageConstants.X509SubjectKeyIdentifier_NS);
x509Binding.setReferenceType(MessageConstants.KEY_INDETIFIER_TYPE);
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(x509Binding);
} else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
if(dktBind.getOriginalKeyBinding() == null)
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(x509Binding);
else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding())){
dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
}
}
}
if (purpose == Purpose.VERIFY) {
byte[] keyIdBytes = XMLUtil.getDecodedBase64EncodedData(keyId.getReferenceValue());
wssContext.setExtraneousProperty(MessageConstants.REQUESTER_KEYID, new String(keyIdBytes));
//update other party certificate
X509Certificate cert = wssContext.getSecurityEnvironment().getCertificate(
wssContext.getExtraneousProperties(),
XMLUtil.getDecodedBase64EncodedData(keyId.getReferenceValue()));
wssContext.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(wssContext), cert);
returnKey = cert.getPublicKey();
} else if(purpose == Purpose.SIGN){
returnKey =wssContext.getSecurityEnvironment().getPrivateKey(
wssContext.getExtraneousProperties(),
XMLUtil.getDecodedBase64EncodedData(keyId.getReferenceValue()));
}
}
}
} else if (refElement instanceof DirectReference) {
if(keyBinding != null){
keyBinding.setReferenceType(MessageConstants.DIRECT_REFERENCE_TYPE);
}
String uri = ((DirectReference) refElement).getURI();
if (isBSP && !uri.startsWith("#")) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1356_VIOLATION_BSP_R_5204());
throw new XWSSecurityException("Violation of BSP R5204 "
+ ": When a SECURITY_TOKEN_REFERENCE uses a Direct Reference to an INTERNAL_SECURITY_TOKEN, it MUST use a Shorthand XPointer Reference");
}
String valueType = ((DirectReference) refElement).getValueType();
if (MessageConstants.DKT_VALUETYPE.equals(valueType) ||
MessageConstants.DKT_13_VALUETYPE.equals(valueType)){
//TODO: this will work for now but need to handle this case here later
valueType = null;
}
if (MessageConstants.X509v3_NS.equals(valueType)||MessageConstants.X509v1_NS.equals(valueType)) {
// its an X509 Token
if(keyBinding != null){
keyBinding.setValueType(valueType);
}
String wsuId = secureMsg.getIdFromFragmentRef(uri);
X509SecurityToken token = (X509SecurityToken) insertedX509Cache.get(wsuId);
//if(token == null)
// token =(X509SecurityToken) tokenCache.get(wsuId);
if(token == null){
token = (X509SecurityToken)resolveToken(wsuId,context);
if(token == null){
logger.log(Level.SEVERE, LogStringsMessages.WSS_1357_UNABLETO_LOCATE_TOKEN());
throw new KeySelectorException("Token with Id "+wsuId+ "not found");
}else{
tokenCache.put(wsuId, token);
}
}
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
x509Binding.setReferenceType(MessageConstants.DIRECT_REFERENCE_TYPE);
x509Binding.setValueType(valueType);
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(x509Binding);
} else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
isSymmetric = true;
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
if(dktBind.getOriginalKeyBinding() == null)
dktBind.setOriginalKeyBinding(x509Binding);
else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding())){
dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
isSymmetric = true;
}
}
}
returnKey = resolveX509Token(wssContext, token, purpose, isSymmetric);
} else if(MessageConstants.EncryptedKey_NS.equals(valueType)) {
String wsuId = secureMsg.getIdFromFragmentRef(uri);
SecurityToken token = (SecurityToken)tokenCache.get(wsuId);
if(token == null){
token = resolveToken(wsuId, context);
if(token == null){
logger.log(Level.SEVERE, LogStringsMessages.WSS_1357_UNABLETO_LOCATE_TOKEN());
throw new KeySelectorException("Token with Id "+wsuId+ "not found");//TODO LOG ::Venu
}else{
tokenCache.put(wsuId, token);
}
}
KeyInfoHeaderBlock kiHB = ((EncryptedKeyToken)token).getKeyInfo();
SecurityTokenReference sectr = kiHB.getSecurityTokenReference(0);
SOAPElement se = sectr.getAsSoapElement();
ReferenceElement refElem = sectr.getReference();
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
SymmetricKeyBinding skBinding = new SymmetricKeyBinding();
AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
skBinding.setKeyBinding(x509Binding);
//TODO: ReferenceType and ValueType not set on X509Binding
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(skBinding);
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(skBinding);
}
}
Key privKey = resolve(se, context, Purpose.SIGN);
Element cipherData = (Element)((EncryptedKeyToken)token).getAsSoapElement().getChildElements(new QName(MessageConstants.XENC_NS, "CipherData", MessageConstants.XENC_PREFIX)).next();
String cipherValue = cipherData.getElementsByTagNameNS(MessageConstants.XENC_NS, "CipherValue").item(0).getTextContent();
byte[] decodedCipher = Base64.decode(cipherValue);
byte[] ekSha1 = MessageDigest.getInstance("SHA-1").digest(decodedCipher);
String encEkSha1 = Base64.encode(ekSha1);
wssContext.setExtraneousProperty(MessageConstants.EK_SHA1_VALUE, encEkSha1);
returnKey = ((EncryptedKeyToken)token).getSecretKey(privKey, encAlgo);
wssContext.setExtraneousProperty(MessageConstants.SECRET_KEY_VALUE, returnKey);
} else if (MessageConstants.SCT_VALUETYPE.equals(valueType) || MessageConstants.SCT_13_VALUETYPE.equals(valueType)) {
// could be wsuId or SCT Session Id
String sctId = secureMsg.getIdFromFragmentRef(uri);
SecurityToken token = (SecurityToken)tokenCache.get(sctId);
if(token == null){
token = SecurityUtil.locateBySCTId(wssContext, uri);
if (token == null) {
token = resolveToken(sctId, context);
}
if(token == null){
logger.log(Level.SEVERE, LogStringsMessages.WSS_1358_UNABLETO_LOCATE_SCT_TOKEN());
throw new KeySelectorException("SCT Token with Id "+sctId+ "not found");
}else{
tokenCache.put(sctId, token);
}
}
if (token instanceof SecurityContextToken) {
//handling for SecurityContext Token
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
SecureConversationTokenKeyBinding sctBinding = new SecureConversationTokenKeyBinding();
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(sctBinding);
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(sctBinding);
}
}
returnKey = resolveSCT(wssContext, (SecurityContextTokenImpl)token, purpose);
} else {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1359_INVALID_VALUETYPE_NON_SC_TTOKEN());
throw new KeySelectorException("Incorrect ValueType: " + MessageConstants.SCT_VALUETYPE + ", specified for a Non SCT Token");
}
} else if (null == valueType) {
// Log fails BSP:R3059 and R3058
//logger.log(Level.WARNING, "Fails BSP requirements R3058 and 3059");
// Do default processing
String wsuId = secureMsg.getIdFromFragmentRef(uri);
SecurityToken token = (SecurityToken)tokenCache.get(wsuId);
if(token == null){
token = resolveToken(wsuId, context);
if (token == null) {
token = SecurityUtil.locateBySCTId(wssContext, uri);
}
if(token == null){
logger.log(Level.SEVERE, LogStringsMessages.WSS_1357_UNABLETO_LOCATE_TOKEN());
throw new KeySelectorException("Token with Id "+wsuId+ "not found");
}else{
tokenCache.put(wsuId, token);
}
}
if (token instanceof X509SecurityToken) {
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
x509Binding.setReferenceType(MessageConstants.DIRECT_REFERENCE_TYPE);
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(x509Binding);
} else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
isSymmetric = true;
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
if(dktBind.getOriginalKeyBinding() == null)
dktBind.setOriginalKeyBinding(x509Binding);
else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding())){
dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
isSymmetric = true;
}
}
}
returnKey = resolveX509Token(wssContext,(X509SecurityToken)token, purpose, isSymmetric);
} else if (token instanceof EncryptedKeyToken) {
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
SymmetricKeyBinding skBinding = new SymmetricKeyBinding();
AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
skBinding.setKeyBinding(x509Binding);
//TODO: ReferenceType and ValueType not set on X509Binding
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(skBinding);
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
if(((DerivedTokenKeyBinding)inferredKB).getOriginalKeyBinding() == null)
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(skBinding);
}
}
KeyInfoHeaderBlock kiHB = ((EncryptedKeyToken)token).getKeyInfo();
SecurityTokenReference sectr = kiHB.getSecurityTokenReference(0);
SOAPElement se = sectr.getAsSoapElement();
ReferenceElement refElem = sectr.getReference();
Key privKey = resolve(se, context, Purpose.SIGN);
Element cipherData = (Element)((EncryptedKeyToken)token).getAsSoapElement().getChildElements(new QName(MessageConstants.XENC_NS, "CipherData", MessageConstants.XENC_PREFIX)).next();
String cipherValue = cipherData.getElementsByTagNameNS(MessageConstants.XENC_NS, "CipherValue").item(0).getTextContent();
byte[] decodedCipher = Base64.decode(cipherValue);
byte[] ekSha1 = MessageDigest.getInstance("SHA-1").digest(decodedCipher);
String encEkSha1 = Base64.encode(ekSha1);
wssContext.setExtraneousProperty(MessageConstants.EK_SHA1_VALUE, encEkSha1);
returnKey = ((EncryptedKeyToken)token).getSecretKey(privKey, encAlgo);
wssContext.setExtraneousProperty(MessageConstants.SECRET_KEY_VALUE, returnKey);
} else if (token instanceof SecurityContextToken) {
//handling for SecurityContext Token
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
SecureConversationTokenKeyBinding sctBinding = new SecureConversationTokenKeyBinding();
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(sctBinding);
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
((DerivedTokenKeyBinding)inferredKB).setOriginalKeyBinding(sctBinding);
}
}
returnKey = resolveSCT(wssContext, (SecurityContextTokenImpl)token, purpose);
} else if (token instanceof DerivedKeyTokenHeaderBlock){
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
DerivedTokenKeyBinding dtkBinding = new DerivedTokenKeyBinding();
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(dtkBinding);
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)) {
//already set - do nothing
} else{
logger.log(Level.SEVERE,LogStringsMessages.WSS_1360_INVALID_DERIVED_KEY_TOKEN());
throw new XWSSecurityException("A derived Key Token should be a top level key binding");
}
}
returnKey = resolveDKT(context, (DerivedKeyTokenHeaderBlock)token);
}
else {
String message = " Cannot Resolve URI " + uri;
logger.log(Level.SEVERE,LogStringsMessages.WSS_1307_UNSUPPORTED_DIRECTREF_MECHANISM(message), new Object[] {message});
KeySelectorException xwsse = new KeySelectorException(message);
//throw xwsse;
throw SecurableSoapMessage.newSOAPFaultException(MessageConstants.WSSE_SECURITY_TOKEN_UNAVAILABLE,xwsse.getMessage(),xwsse);
}
} else {
logger.log(Level.SEVERE,LogStringsMessages.WSS_1307_UNSUPPORTED_DIRECTREF_MECHANISM( new Object[] {((DirectReference)refElement).getValueType()}));
throw SecurableSoapMessage.newSOAPFaultException(MessageConstants.WSSE_INVALID_SECURITY_TOKEN,
"unsupported directreference ValueType "+ ((DirectReference) refElement).getValueType(),null);
}
} else if (refElement instanceof com.sun.xml.wss.core.reference.X509IssuerSerial) {
if(keyBinding != null){
keyBinding.setReferenceType(MessageConstants.X509_ISSUER_TYPE);
}
com.sun.xml.wss.core.reference.X509IssuerSerial xisElement=
(com.sun.xml.wss.core.reference.X509IssuerSerial)refElement;
BigInteger serialNumber = xisElement.getSerialNumber();
String issuerName = xisElement.getIssuerName();
if(isPolicyRecipient && inferredSignaturePolicy != null){
MLSPolicy inferredKB = inferredSignaturePolicy.getKeyBinding();
AuthenticationTokenPolicy.X509CertificateBinding x509Binding = new AuthenticationTokenPolicy.X509CertificateBinding();
x509Binding.setReferenceType(MessageConstants.X509_ISSUER_TYPE);
if(inferredKB == null){
inferredSignaturePolicy.setKeyBinding(x509Binding);
} else if(PolicyTypeUtil.symmetricKeyBinding(inferredKB)){
((SymmetricKeyBinding)inferredKB).setKeyBinding(x509Binding);
} else if(PolicyTypeUtil.derivedTokenKeyBinding(inferredKB)){
DerivedTokenKeyBinding dktBind = (DerivedTokenKeyBinding)inferredKB;
if(dktBind.getOriginalKeyBinding() == null)
dktBind.setOriginalKeyBinding(x509Binding);
else if(PolicyTypeUtil.symmetricKeyBinding(dktBind.getOriginalKeyBinding()))
dktBind.getOriginalKeyBinding().setKeyBinding(x509Binding);
}
}
if (purpose == Purpose.VERIFY) {
wssContext.setExtraneousProperty(MessageConstants.REQUESTER_SERIAL, serialNumber);
wssContext.setExtraneousProperty(MessageConstants.REQUESTER_ISSUERNAME, issuerName);
//update other party certificate
X509Certificate cert = wssContext.getSecurityEnvironment().getCertificate(
wssContext.getExtraneousProperties(),serialNumber, issuerName);
wssContext.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(wssContext), cert);
returnKey = cert.getPublicKey();
} else if(purpose== Purpose.SIGN){
returnKey = wssContext.getSecurityEnvironment().getPrivateKey(
wssContext.getExtraneousProperties(),serialNumber, issuerName);
}
} else {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1308_UNSUPPORTED_REFERENCE_MECHANISM());
KeySelectorException xwsse = new KeySelectorException(
"Key reference mechanism not supported");
//throw xwsse;
throw SecurableSoapMessage.newSOAPFaultException(
MessageConstants.WSSE_UNSUPPORTED_SECURITY_TOKEN,xwsse.getMessage(),xwsse);
}
return returnKey;
}catch(XWSSecurityException xwsExp){
logger.log(Level.SEVERE,LogStringsMessages.WSS_1353_UNABLE_RESOLVE_KEY_INFORMATION(),xwsExp);
throw new KeySelectorException(xwsExp);
}catch(MarshalException me){
logger.log(Level.SEVERE,LogStringsMessages.WSS_1353_UNABLE_RESOLVE_KEY_INFORMATION(),me);
throw new KeySelectorException(me);
}catch(Exception ex){
logger.log(Level.SEVERE,LogStringsMessages.WSS_1353_UNABLE_RESOLVE_KEY_INFORMATION(),ex);
throw new KeySelectorException(ex);
}
}
@SuppressWarnings("unchecked")
private static Key resolveSamlAssertion(XMLCryptoContext dsigContext, Element samlAssertion, Purpose purpose, String assertionID)
throws MarshalException, KeySelectorException, XWSSecurityException{
FilterProcessingContext context = (FilterProcessingContext)dsigContext.get(MessageConstants.WSS_PROCESSING_CONTEXT);
String samlSignatureResolved = (String)context.getExtraneousProperty(MessageConstants.SAML_SIG_RESOLVED);
Element elem = null;
Key key = (Key) context.getSamlIdVSKeyCache().get(assertionID);
if (key != null){
return key;
}
if (samlAssertion == null) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1355_UNABLETO_RESOLVE_SAML_ASSERTION());
throw new XWSSecurityException("Cannot Resolve SAML Assertion");
}
if (purpose == Purpose.VERIFY || "false".equals(samlSignatureResolved)) {
NodeList nl = samlAssertion.getElementsByTagNameNS(MessageConstants.DSIG_NS, "Signature");
//verify the signature inside the SAML assertion
if ( nl.getLength() == 0) {
XWSSecurityException e = new XWSSecurityException("Unsigned SAML Assertion encountered");
logger.log(Level.SEVERE, LogStringsMessages.WSS_1309_SAML_SIGNATURE_VERIFY_FAILED(), e);
throw SecurableSoapMessage.newSOAPFaultException(
MessageConstants.WSSE_INVALID_SECURITY,
"Exception during Signature verfication in SAML Assertion",
e);
}else{
boolean topLevelSigElement = false;
int returnSigNodeIndex = 0;
// Skipping Advice saml assertion inside saml:Advice element
for(int i = 0; i < nl.getLength(); i++){
if(nl.item(i).getParentNode().getParentNode().getLocalName().equals("Advice")){
//skip this node and we don't validate signature under Advice element
}else{
topLevelSigElement = true;
returnSigNodeIndex = i;
break;
}
}
if(topLevelSigElement){
elem = (Element)nl.item(returnSigNodeIndex);
}else{
XWSSecurityException e = new XWSSecurityException("Unsigned SAML Assertion encountered");
logger.log(Level.SEVERE, LogStringsMessages.WSS_1309_SAML_SIGNATURE_VERIFY_FAILED(), e);
throw SecurableSoapMessage.newSOAPFaultException(
MessageConstants.WSSE_INVALID_SECURITY,
"Exception during Signature verfication in SAML Assertion",
e);
}
}
SignaturePolicy policy = (SignaturePolicy)context.getInferredPolicy();
// will be only during verify.
AuthenticationTokenPolicy.SAMLAssertionBinding keyBinding = null;
if(policy != null){
keyBinding = (AuthenticationTokenPolicy.SAMLAssertionBinding) policy.newSAMLAssertionKeyBinding();
}
try {
if ( !SignatureProcessor.verifySignature(elem, context)) {
logger.log(Level.SEVERE,LogStringsMessages.WSS_1310_SAML_SIGNATURE_INVALID());
throw SecurableSoapMessage.newSOAPFaultException(
MessageConstants.WSSE_FAILED_AUTHENTICATION,
"SAML Assertion has invalid Signature",
new Exception(
"SAML Assertion has invalid Signature"));
}
} catch (XWSSecurityException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1310_SAML_SIGNATURE_INVALID());
throw SecurableSoapMessage.newSOAPFaultException(
MessageConstants.WSSE_FAILED_AUTHENTICATION,
"SAML Assertion has invalid Signature",
ex);
}
}
if ( "false".equals(samlSignatureResolved) ) {
context.setExtraneousProperty(MessageConstants.SAML_SIG_RESOLVED,"true");
}
Element keyInfoElem = AssertionUtil.getSubjectConfirmationKeyInfo(samlAssertion);
KeyInfo keyInfo = KeyInfoFactory.getInstance().unmarshalKeyInfo(new DOMStructure(keyInfoElem));
List keyInfoList = keyInfo.getContent();
Iterator content = keyInfoList.iterator();
while(content.hasNext()){
Object data = content.next();
if(data instanceof KeyName){
logger.log(Level.SEVERE, LogStringsMessages.WSS_1361_UNSUPPORTED_KEY_NAME_SAML());
throw new XWSSecurityException("Unsupported KeyName under SAML SubjectConfirmation");
}else if(data instanceof KeyValue){
key = resolveKeyValue(context, (KeyValue)data, purpose);
break;
}else if (data instanceof X509Data){
key = resolveSAMLX509Data(context, (X509Data)data, purpose);
break;
} else if (data instanceof DOMStructure) {
// we will support STR, EK and wst:BinarySecret
SOAPElement reference = (SOAPElement)((DOMStructure)data).getNode();
if (isSecurityTokenReference(reference)){
key = resolve(reference,dsigContext, purpose);
break;
} else if (SecurityUtil.isBinarySecret(reference)) {
BinarySecret bs = null;
try {
bs = WSTrustElementFactory.newInstance().createBinarySecret(reference);
}catch (WSTrustException ex) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1362_EXCEPTION_WS_TRUST_CREATING_BINARY_SECRET(), ex);
throw new XWSSecurityException(ex);
}
// assuming the Binary Secret is of Type
if ((bs.getType() == null) || bs.getType().equals(BinarySecret.SYMMETRIC_KEY_TYPE)) {
String algo = "AES"; // hardcoding for now
if (context.getAlgorithmSuite() != null) {
algo = SecurityUtil.getSecretKeyAlgorithm(context.getAlgorithmSuite().getEncryptionAlgorithm());
}
key = new SecretKeySpec(bs.getRawValue(), algo);
break;
} else {
logger.log(Level.SEVERE,LogStringsMessages.WSS_1312_UNSUPPORTED_KEYINFO());
throw new KeySelectorException("Unsupported wst:BinarySecret Type");
}
} else if (SecurityUtil.isEncryptedKey(reference)) {
EncryptedKeyToken ekToken = new EncryptedKeyToken(reference);
KeyInfoHeaderBlock kiHB = ekToken.getKeyInfo();
// assume it contains STR
if (kiHB.containsSecurityTokenReference()) {
//SecurityTokenReference str = kiHB.getSecurityTokenReference(0);
Key privKey = KeyResolver.processSTR(kiHB, false, context);
//Default algo
String dataEncAlgo = MessageConstants.AES_BLOCK_ENCRYPTION_128;
if (context.getAlgorithmSuite() != null) {
dataEncAlgo = context.getAlgorithmSuite().getEncryptionAlgorithm();
}
key = ekToken.getSecretKey(privKey, dataEncAlgo);
break;
} else {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1312_UNSUPPORTED_KEYINFO());
throw new KeySelectorException("Unsupported Key Information Inside EncryptedKey");
}
} else {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1312_UNSUPPORTED_KEYINFO());
throw new KeySelectorException("Unsupported Key Information");
}
}else {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1312_UNSUPPORTED_KEYINFO());
throw new KeySelectorException("Unsupported Key Information");
}
}
context.getSamlIdVSKeyCache().put(assertionID, key);
context.setExtraneousProperty(MessageConstants.INCOMING_SAML_ASSERTION, samlAssertion);
//set the SAML Assertion as Public Credential inside the requester Subject
try {
context.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(context), AssertionUtil.fromElement(samlAssertion));
} catch (SAMLException ex) {
//ignore
}
return key;
}
private static Key resolveKeyValue( FilterProcessingContext context, KeyValue keyValue, Purpose purpose) throws KeySelectorException {
try {
if (purpose == Purpose.VERIFY) {
return keyValue.getPublicKey();
} else if(purpose == Purpose.SIGN){
return context.getSecurityEnvironment().getPrivateKey(
context.getExtraneousProperties(), keyValue.getPublicKey(), true);
}
} catch (Exception e) {
logger.log(Level.SEVERE,LogStringsMessages.WSS_1313_ILLEGAL_KEY_VALUE(""),e.getMessage());
throw new KeySelectorException(e);
}
return null;
}
private static Key resolveX509Data(FilterProcessingContext context,X509Data x509Data, Purpose purpose) throws KeySelectorException {
X509Certificate cert = null;
try {
List data = x509Data.getContent();
Iterator iterator = data.iterator();
while(iterator.hasNext()){//will break for in single loop;
Object content = iterator.next();
if (content instanceof X509Certificate) {
cert = (X509Certificate)content;
if (purpose == Purpose.VERIFY) {
//this could be the cert of the IP in SAML HOK scenarios
context.getSecurityEnvironment().validateCertificate(cert, context.getExtraneousProperties());
context.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(context),cert);
return cert.getPublicKey();
} else if(purpose == Purpose.SIGN){
return context.getSecurityEnvironment().getPrivateKey(
context.getExtraneousProperties(), cert);
}
} else if(content instanceof byte[]) {
byte[] ski = (byte[]) content;
if (purpose == Purpose.VERIFY) {
//update other party subject
cert =context.getSecurityEnvironment().getCertificate(context.getExtraneousProperties(), ski);
context.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(context),cert);
return cert.getPublicKey();
} else if(purpose == Purpose.SIGN){
return context.getSecurityEnvironment().getPrivateKey(
context.getExtraneousProperties(), ski);
}
} else if (content instanceof String) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1312_UNSUPPORTED_KEYINFO());
throw new KeySelectorException(
"X509SubjectName child element of X509Data is not yet supported by our implementation");
} else if (content instanceof X509IssuerSerial) {
X509IssuerSerial xis = (X509IssuerSerial) content;
if (purpose == Purpose.VERIFY) {
//update other party certificate
cert = context.getSecurityEnvironment().getCertificate(
context.getExtraneousProperties(), xis.getSerialNumber(), xis.getIssuerName());
context.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(context),cert);
return cert.getPublicKey();
} else if(purpose == Purpose.SIGN){
return context.getSecurityEnvironment().getPrivateKey(
context.getExtraneousProperties(), xis.getSerialNumber(), xis.getIssuerName());
}
} else {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1312_UNSUPPORTED_KEYINFO());
throw new KeySelectorException(
"Unsupported child element of X509Data encountered");
}
}
} catch (Exception e) {
logger.log(Level.SEVERE,LogStringsMessages.WSS_1314_ILLEGAL_X_509_DATA(""), e.getMessage());
throw new KeySelectorException(e);
}
return null;//Should never come here.
}
private static Key resolveSAMLX509Data(FilterProcessingContext context,X509Data x509Data, Purpose purpose) throws KeySelectorException {
X509Certificate cert = null;
try {
List data = x509Data.getContent();
Iterator iterator = data.iterator();
while(iterator.hasNext()){//will break for in single loop;
Object content = iterator.next();
if (content instanceof X509Certificate) {
cert = (X509Certificate)content;
context.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(context),cert);
if (purpose == Purpose.VERIFY) {
return cert.getPublicKey();
} else {
return context.getSecurityEnvironment().getPrivateKey(context.getExtraneousProperties(), cert);
}
} else if(content instanceof byte[]) {
byte[] ski = (byte[]) content;
cert= context.getSecurityEnvironment().getCertificate(context.getExtraneousProperties(), ski);
context.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(context),cert);
if (purpose == Purpose.VERIFY) {
return cert.getPublicKey();
} else {
return context.getSecurityEnvironment().getPrivateKey(context.getExtraneousProperties(), cert);
}
} else if (content instanceof String) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1312_UNSUPPORTED_KEYINFO());
throw new KeySelectorException(
"X509SubjectName child element of X509Data is not yet supported by our implementation");
} else if (content instanceof X509IssuerSerial) {
X509IssuerSerial xis = (X509IssuerSerial) content;
//update other party certificate
cert = context.getSecurityEnvironment().getCertificate(
context.getExtraneousProperties(), xis.getSerialNumber(), xis.getIssuerName());
context.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(context),cert);
if (purpose == Purpose.VERIFY) {
return cert.getPublicKey();
} else {
return context.getSecurityEnvironment().getPrivateKey(context.getExtraneousProperties(), cert);
}
} else {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1312_UNSUPPORTED_KEYINFO());
throw new KeySelectorException(
"Unsupported child element of X509Data encountered");
}
}
} catch (Exception e) {
logger.log(Level.SEVERE,LogStringsMessages.WSS_1314_ILLEGAL_X_509_DATA(""), e.getMessage());
throw new KeySelectorException(e);
}
return null;//Should never come here.
}
private static Key resolveX509Token(
FilterProcessingContext context, X509SecurityToken token, Purpose purpose, boolean isSymmetric)
throws XWSSecurityException {
if (purpose == Purpose.VERIFY) {
// Update the Subject of the sender
//SecurableSoapMessage secureMsg = context.getSecurableSoapMessage();
X509Certificate cert = token.getCertificate();
if (!isSymmetric) {
context.getSecurityEnvironment().updateOtherPartySubject(
DefaultSecurityEnvironmentImpl.getSubject(context), cert);
}
return cert.getPublicKey();
} else if(purpose == Purpose.SIGN || purpose == Purpose.DECRYPT) {
return context.getSecurityEnvironment().getPrivateKey(
context.getExtraneousProperties(), token.getCertificate());
}
return null;
}
private static boolean isSecurityTokenReference(Element reference){
if(MessageConstants.WSSE_SECURITY_TOKEN_REFERENCE_LNAME.equals(reference.getLocalName()))
return true;
return false;
}
/**
* BinaryTokens if found would be cached into {@link FilterProcessingContext}.
* @param uri
* @param context
* @throws URIReferenceException
* @throws XWSSecurityException
* @return
*/
protected static SecurityToken resolveToken(final String uri, XMLCryptoContext context) throws URIReferenceException, XWSSecurityException{
URIDereferencer resolver = context.getURIDereferencer();
URIReference uriRef = new URIReference(){
public String getURI(){
return uri;
}
public String getType(){
return null;
}
};
FilterProcessingContext wssContext = (FilterProcessingContext)context.get(MessageConstants.WSS_PROCESSING_CONTEXT);
SecurityPolicy securityPolicy = wssContext.getSecurityPolicy();
boolean isBSP = false;
if( securityPolicy != null) {
if (PolicyTypeUtil.messagePolicy(securityPolicy)) {
isBSP = ((MessagePolicy)securityPolicy).isBSP();
} else {
isBSP = ((WSSPolicy)securityPolicy).isBSP();
}
}
try{
NodeSetData set =(NodeSetData) resolver.dereference(uriRef,context);
Iterator itr = set.iterator();
while(itr.hasNext()){
Node node = (Node)itr.next();
if(MessageConstants.WSSE_BINARY_SECURITY_TOKEN_LNAME.equals(node.getLocalName())){
X509SecurityToken token = new X509SecurityToken((SOAPElement)node, isBSP);
X509Certificate cert = null;
try{
cert = token.getCertificate();
}catch(XWSSecurityException xwe){
logger.log(Level.SEVERE,LogStringsMessages.WSS_1363_INVALID_SECURITY_TOKEN());
throw SecurableSoapMessage.newSOAPFaultException(MessageConstants.WSSE_INVALID_SECURITY_TOKEN,
"A Invalid security token was provided ", xwe);
}
if(!wssContext.getSecurityEnvironment().validateCertificate(cert, wssContext.getExtraneousProperties())){
logger.log(Level.SEVERE,LogStringsMessages.WSS_1364_UNABLETO_VALIDATE_CERTIFICATE());
throw SecurableSoapMessage.newSOAPFaultException(MessageConstants.WSSE_INVALID_SECURITY_TOKEN,
"Certificate validation failed", null);
}
return token;
}else if(MessageConstants.ENCRYPTEDKEY_LNAME.equals(node.getLocalName())){
return new EncryptedKeyToken((SOAPElement)node);
} else if (MessageConstants.SECURITY_CONTEXT_TOKEN_LNAME.equals(node.getLocalName())){
return new SecurityContextTokenImpl((SOAPElement)node);
} else if (MessageConstants.DERIVEDKEY_TOKEN_LNAME.equals(node.getLocalName())){
return new DerivedKeyTokenHeaderBlock((SOAPElement)node);
}
}
}catch(URIReferenceException ure){
logger.log(Level.SEVERE,LogStringsMessages.WSS_1304_FC_SECURITY_TOKEN_UNAVAILABLE(),ure);
throw SecurableSoapMessage.newSOAPFaultException(
MessageConstants.WSSE_SECURITY_TOKEN_UNAVAILABLE,
"Referenced Security Token could not be retrieved",
ure);
}
logger.log(Level.SEVERE,LogStringsMessages.WSS_1305_UN_SUPPORTED_SECURITY_TOKEN());
throw SecurableSoapMessage.newSOAPFaultException(MessageConstants.WSSE_UNSUPPORTED_SECURITY_TOKEN, "A Unsupported token was provided ", null);
}
private static Element resolveSAMLToken(SecurityTokenReference tokenRef, String assertionId,
FilterProcessingContext context)throws XWSSecurityException {
/*
Assertion ret = (Assertion)context.getTokenCache().get(assertionId);
if (ret != null)
return ret;
*/
// first check if this is a Trust Issued Token
Element tokenElement = context.getIssuedSAMLToken();
if (tokenElement != null){
context.setExtraneousProperty(MessageConstants.SAML_SIG_RESOLVED,"false");
}
if (tokenElement == null) {
if (tokenRef.getSamlAuthorityBinding() != null) {
tokenElement = context.getSecurityEnvironment().
locateSAMLAssertion(
context.getExtraneousProperties(),
tokenRef.getSamlAuthorityBinding(),
assertionId,
context.getSOAPMessage().getSOAPPart());
} else {
tokenElement = SAMLUtil.locateSamlAssertion(
assertionId, context.getSOAPMessage().getSOAPPart());
if (!("true".equals((String)context.getExtraneousProperty(MessageConstants.SAML_SIG_RESOLVED))) ||
"false".equals((String)context.getExtraneousProperty(MessageConstants.SAML_SIG_RESOLVED))){
context.setExtraneousProperty(MessageConstants.SAML_SIG_RESOLVED,"false");
}
}
}
//TODO: expensive conversion happening here
try {
// if it is an Encrypted SAML Assertion we cannot decrypt it
// on the client side since we don't have the Private Key
if ("EncryptedData".equals(tokenElement.getLocalName())) {
// do nothing
}
} catch (Exception e) {
logger.log(Level.SEVERE,LogStringsMessages.WSS_1355_UNABLETO_RESOLVE_SAML_ASSERTION(),e);
throw new XWSSecurityException(e);
}
return tokenElement;
}
private static void addAuthorityId(Element assertion , FilterProcessingContext fp){
String issuer = null;
SignaturePolicy ep = (SignaturePolicy)fp.getInferredPolicy();
if( ep != null){
AuthenticationTokenPolicy.SAMLAssertionBinding kb =
(AuthenticationTokenPolicy.SAMLAssertionBinding ) ep.newSAMLAssertionKeyBinding();
if(assertion.getAttributeNode("ID") != null){
NodeList nl = assertion.getElementsByTagNameNS(MessageConstants.SAML_v2_0_NS, "Issuer");
Element issuerElement = (Element)nl.item(0);
issuer = issuerElement.getTextContent();
// System.out.println("Issuer 000000000000 :" + issuerElement.getTextContent());
}else{
issuer = assertion.getAttribute("Issuer");
}
kb.setAuthorityIdentifier(issuer);
}
}
// this method would be called on incoming client/server messages
@SuppressWarnings("unchecked")
private static Key resolveSCT(
FilterProcessingContext context, SecurityContextTokenImpl token, Purpose purpose)
throws XWSSecurityException {
// first set it into Extraneous Properties
context.setExtraneousProperty(MessageConstants.INCOMING_SCT, token);
// now get the SC ID
String scId = token.getSCId();
IssuedTokenContext ctx = null;
//String protocol = null;
String protocol = context.getWSSCVersion(context.getSecurityPolicyVersion());
if(context.isClient()){
SCTokenConfiguration config = new DefaultSCTokenConfiguration(protocol, scId, !context.isExpired(), !context.isInboundMessage());
ctx =IssuedTokenManager.getInstance().createIssuedTokenContext(config, null);
try{
IssuedTokenManager.getInstance().getIssuedToken(ctx);
}catch(WSTrustException e){
throw new XWSSecurityException(e);
}
//Retrive the context from issuedTokenContextMap
// Enumeration elements = context.getIssuedTokenContextMap().elements();
// while (elements.hasMoreElements()) {
// IssuedTokenContext ictx = (IssuedTokenContext)elements.nextElement();
// Object tok = ictx.getSecurityToken();
// String ctxid = null;
// if (tok instanceof SecurityContextToken) {
// ctxid = ((SecurityContextToken)tok).getIdentifier().toString();
// if (ctxid.equals(scId)) {
// ctx = ictx;
// break;
// }
// }
// }
}else{
//Retrive the context from Session Manager's cache
ctx = ((SessionManager)context.getExtraneousProperty("SessionManager")).getSecurityContext(scId, !context.isExpired());
URI sctId = null;
String sctIns = null;
String wsuId = null;
SecurityContextToken sct = (SecurityContextToken)ctx.getSecurityToken();
if (sct != null){
sctId = sct.getIdentifier();
sctIns = sct.getInstance();
wsuId = sct.getWsuId();
}else {
SecurityContextTokenInfo sctInfo = ctx.getSecurityContextTokenInfo();
sctId = URI.create(sctInfo.getIdentifier());
sctIns = sctInfo.getInstance();
wsuId = sctInfo.getExternalId();
}
ctx.setSecurityToken(WSTrustElementFactory.newInstance(protocol).createSecurityContextToken(sctId, sctIns, wsuId));
}
if (ctx == null) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1365_UNABLETO_LOCATE_SECURE_CONVERSATION_SESSION());
throw new XWSSecurityException("Could not locate SecureConversation session for Id:" + scId);
}
byte[] proofKey = null;
com.sun.xml.ws.security.SecurityContextToken scToken = (com.sun.xml.ws.security.SecurityContextToken)ctx.getSecurityToken();
if(scToken.getInstance() != null){
if(context.isExpired()){
proofKey = ctx.getProofKey();
}else{
SecurityContextTokenInfo sctInstanceInfo = ctx.getSecurityContextTokenInfo();
proofKey = sctInstanceInfo.getInstanceSecret(scToken.getInstance());
}
}else{
proofKey = ctx.getProofKey();
}
// this is because the key would be used for Signatures
//TODO: PLUGFEST : change this to globally available encryption algo
if (proofKey == null) {
logger.log(Level.SEVERE, LogStringsMessages.WSS_1365_UNABLETO_LOCATE_SECURE_CONVERSATION_SESSION());
throw new XWSSecurityException("Could not locate SecureConversation session for Id:" + scId);
}
String algo = "AES"; // hardcoding for now
if (context.getAlgorithmSuite() != null) {
algo = SecurityUtil.getSecretKeyAlgorithm(context.getAlgorithmSuite().getEncryptionAlgorithm());
}
SecretKeySpec key = new SecretKeySpec(proofKey, algo);
if (purpose == Purpose.VERIFY) {
Subject subj = ctx.getRequestorSubject();
if (subj != null) {
// subj will be null if this is the client side execution
if (context.getExtraneousProperty(MessageConstants.SCBOOTSTRAP_CRED_IN_SUBJ) == null) {
//do it only once
context.getSecurityEnvironment().updateOtherPartySubject(
SecurityUtil.getSubject(context.getExtraneousProperties()),subj);
context.getExtraneousProperties().put(MessageConstants.SCBOOTSTRAP_CRED_IN_SUBJ, "true");
}
}
}
return key;
}
private static Key resolveDKT(XMLCryptoContext context,
DerivedKeyTokenHeaderBlock token) throws XWSSecurityException{
FilterProcessingContext wssContext = (FilterProcessingContext)context.get(MessageConstants.WSS_PROCESSING_CONTEXT);
AlgorithmSuite algSuite = wssContext.getAlgorithmSuite();
//TODO: hardcoded for testing -- need to obtain this from somewhere
String algorithm = MessageConstants.AES_BLOCK_ENCRYPTION_128;
if(algSuite != null)
algorithm = algSuite.getEncryptionAlgorithm();
try{
SecurityTokenReference sectr = token.getDerivedKeyElement();
SOAPElement se = sectr.getAsSoapElement();
//ReferenceElement refElem = sectr.getReference();
Key encKey = resolve(se, context, Purpose.SIGN);
byte[] secret = encKey.getEncoded();
byte[] nonce = token.getNonce();
long length = token.getLength();
long offset = token.getOffset();
String label = token.getLabel();
DerivedKeyToken dkt = new DerivedKeyTokenImpl(offset, length, secret, nonce, label);
String jceAlgo = SecurityUtil.getSecretKeyAlgorithm(algorithm);
Key returnKey = dkt.generateSymmetricKey(jceAlgo);
return returnKey;
} catch (Exception e){
logger.log(Level.SEVERE, LogStringsMessages.WSS_1366_UNABLE_GENERATE_SYMMETRIC_KEY_DKT(), e);
throw new XWSSecurityException(e);
}
}
}
