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org.apache.cxf.ws.security.wss4j.policyhandlers.TransportBindingHandler Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.ws.security.wss4j.policyhandlers;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.xml.crypto.dsig.Reference;
import javax.xml.soap.SOAPMessage;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.ws.policy.AssertionInfo;
import org.apache.cxf.ws.policy.AssertionInfoMap;
import org.apache.cxf.ws.security.SecurityConstants;
import org.apache.cxf.ws.security.policy.SP12Constants;
import org.apache.cxf.ws.security.policy.model.AlgorithmSuite;
import org.apache.cxf.ws.security.policy.model.Header;
import org.apache.cxf.ws.security.policy.model.IssuedToken;
import org.apache.cxf.ws.security.policy.model.KerberosToken;
import org.apache.cxf.ws.security.policy.model.KeyValueToken;
import org.apache.cxf.ws.security.policy.model.SamlToken;
import org.apache.cxf.ws.security.policy.model.SecureConversationToken;
import org.apache.cxf.ws.security.policy.model.SecurityContextToken;
import org.apache.cxf.ws.security.policy.model.SignedEncryptedParts;
import org.apache.cxf.ws.security.policy.model.SupportingToken;
import org.apache.cxf.ws.security.policy.model.Token;
import org.apache.cxf.ws.security.policy.model.TokenWrapper;
import org.apache.cxf.ws.security.policy.model.TransportBinding;
import org.apache.cxf.ws.security.policy.model.TransportToken;
import org.apache.cxf.ws.security.policy.model.UsernameToken;
import org.apache.cxf.ws.security.policy.model.X509Token;
import org.apache.cxf.ws.security.tokenstore.SecurityToken;
import org.apache.ws.security.WSConstants;
import org.apache.ws.security.WSEncryptionPart;
import org.apache.ws.security.WSPasswordCallback;
import org.apache.ws.security.WSSConfig;
import org.apache.ws.security.components.crypto.Crypto;
import org.apache.ws.security.conversation.ConversationConstants;
import org.apache.ws.security.message.WSSecDKSign;
import org.apache.ws.security.message.WSSecEncryptedKey;
import org.apache.ws.security.message.WSSecHeader;
import org.apache.ws.security.message.WSSecSignature;
import org.apache.ws.security.message.WSSecTimestamp;
import org.apache.ws.security.message.WSSecUsernameToken;
import org.apache.ws.security.message.token.SecurityTokenReference;
import org.apache.ws.security.saml.ext.AssertionWrapper;
/**
*
*/
public class TransportBindingHandler extends AbstractBindingBuilder {
TransportBinding tbinding;
public TransportBindingHandler(WSSConfig config,
TransportBinding binding,
SOAPMessage saaj,
WSSecHeader secHeader,
AssertionInfoMap aim,
SoapMessage message) {
super(config, binding, saaj, secHeader, aim, message);
this.tbinding = binding;
}
private void addSignedSupportingTokens(SupportingToken sgndSuppTokens)
throws Exception {
for (Token token : sgndSuppTokens.getTokens()) {
if (token instanceof UsernameToken) {
WSSecUsernameToken utBuilder = addUsernameToken((UsernameToken)token);
if (utBuilder != null) {
utBuilder.prepare(saaj.getSOAPPart());
utBuilder.appendToHeader(secHeader);
}
} else if (token instanceof IssuedToken || token instanceof KerberosToken) {
SecurityToken secTok = getSecurityToken();
if (includeToken(token.getInclusion())) {
//Add the token
addEncryptedKeyElement(cloneElement(secTok.getToken()));
}
} else if (token instanceof SamlToken) {
AssertionWrapper assertionWrapper = addSamlToken((SamlToken)token);
if (assertionWrapper != null) {
addSupportingElement(assertionWrapper.toDOM(saaj.getSOAPPart()));
}
} else {
//REVISIT - not supported for signed. Exception?
}
}
}
private static void addSig(List signatureValues, byte[] val) {
if (val != null) {
signatureValues.add(val);
}
}
public void handleBinding() {
WSSecTimestamp timestamp = createTimestamp();
handleLayout(timestamp);
try {
if (this.isRequestor()) {
TransportToken transportTokenWrapper = tbinding.getTransportToken();
if (transportTokenWrapper != null) {
Token transportToken = transportTokenWrapper.getToken();
if (transportToken instanceof IssuedToken) {
SecurityToken secToken = getSecurityToken();
if (secToken == null) {
policyNotAsserted(transportToken, "No transport token id");
return;
} else {
policyAsserted(transportToken);
}
if (includeToken(transportToken.getInclusion())) {
Element el = secToken.getToken();
addEncryptedKeyElement(cloneElement(el));
}
}
handleNonEndorsingSupportingTokens();
handleEndorsingSupportingTokens();
}
} else {
addSignatureConfirmation(null);
}
} catch (Exception e) {
throw new Fault(e);
}
}
/**
* Handle the non-endorsing supporting tokens
*/
private void handleNonEndorsingSupportingTokens() throws Exception {
Collection ais;
ais = aim.get(SP12Constants.SIGNED_SUPPORTING_TOKENS);
if (ais != null) {
for (AssertionInfo ai : ais) {
SupportingToken sgndSuppTokens = (SupportingToken)ai.getAssertion();
if (sgndSuppTokens != null) {
addSignedSupportingTokens(sgndSuppTokens);
}
ai.setAsserted(true);
}
}
ais = aim.get(SP12Constants.SIGNED_ENCRYPTED_SUPPORTING_TOKENS);
if (ais != null) {
for (AssertionInfo ai : ais) {
SupportingToken sgndSuppTokens = (SupportingToken)ai.getAssertion();
if (sgndSuppTokens != null) {
addSignedSupportingTokens(sgndSuppTokens);
}
ai.setAsserted(true);
}
}
ais = aim.get(SP12Constants.ENCRYPTED_SUPPORTING_TOKENS);
if (ais != null) {
for (AssertionInfo ai : ais) {
SupportingToken encrSuppTokens = (SupportingToken)ai.getAssertion();
if (encrSuppTokens != null) {
addSignedSupportingTokens(encrSuppTokens);
}
ai.setAsserted(true);
}
}
ais = aim.get(SP12Constants.SUPPORTING_TOKENS);
if (ais != null) {
for (AssertionInfo ai : ais) {
SupportingToken suppTokens = (SupportingToken)ai.getAssertion();
if (suppTokens != null && suppTokens.getTokens() != null
&& suppTokens.getTokens().size() > 0) {
handleSupportingTokens(suppTokens, false);
}
ai.setAsserted(true);
}
}
}
/**
* Handle the endorsing supporting tokens
*/
private void handleEndorsingSupportingTokens() throws Exception {
Collection ais;
List signatureValues = new ArrayList();
ais = aim.get(SP12Constants.SIGNED_ENDORSING_SUPPORTING_TOKENS);
if (ais != null) {
SupportingToken sgndSuppTokens = null;
for (AssertionInfo ai : ais) {
sgndSuppTokens = (SupportingToken)ai.getAssertion();
ai.setAsserted(true);
}
if (sgndSuppTokens != null) {
for (Token token : sgndSuppTokens.getTokens()) {
handleEndorsingToken(token, sgndSuppTokens, signatureValues);
}
}
}
ais = aim.get(SP12Constants.ENDORSING_SUPPORTING_TOKENS);
if (ais != null) {
SupportingToken endSuppTokens = null;
for (AssertionInfo ai : ais) {
endSuppTokens = (SupportingToken)ai.getAssertion();
ai.setAsserted(true);
}
if (endSuppTokens != null) {
for (Token token : endSuppTokens.getTokens()) {
handleEndorsingToken(token, endSuppTokens, signatureValues);
}
}
}
ais = aim.get(SP12Constants.ENDORSING_ENCRYPTED_SUPPORTING_TOKENS);
if (ais != null) {
SupportingToken endSuppTokens = null;
for (AssertionInfo ai : ais) {
endSuppTokens = (SupportingToken)ai.getAssertion();
ai.setAsserted(true);
}
if (endSuppTokens != null) {
for (Token token : endSuppTokens.getTokens()) {
handleEndorsingToken(token, endSuppTokens, signatureValues);
}
}
}
ais = aim.get(SP12Constants.SIGNED_ENDORSING_ENCRYPTED_SUPPORTING_TOKENS);
if (ais != null) {
SupportingToken endSuppTokens = null;
for (AssertionInfo ai : ais) {
endSuppTokens = (SupportingToken)ai.getAssertion();
ai.setAsserted(true);
}
if (endSuppTokens != null) {
for (Token token : endSuppTokens.getTokens()) {
handleEndorsingToken(token, endSuppTokens, signatureValues);
}
}
}
}
private void handleEndorsingToken(
Token token, SupportingToken wrapper, List signatureValues
) throws Exception {
SignedEncryptedParts signdParts = wrapper.getSignedParts();
if (token instanceof IssuedToken
|| token instanceof SecureConversationToken
|| token instanceof SecurityContextToken
|| token instanceof KeyValueToken
|| token instanceof KerberosToken) {
addSig(
signatureValues,
doIssuedTokenSignature(token, signdParts, wrapper)
);
} else if (token instanceof X509Token
|| token instanceof KeyValueToken) {
addSig(
signatureValues,
doX509TokenSignature(token, signdParts, wrapper)
);
} else if (token instanceof SamlToken) {
AssertionWrapper assertionWrapper = addSamlToken((SamlToken)token);
assertionWrapper.toDOM(saaj.getSOAPPart());
storeAssertionAsSecurityToken(assertionWrapper);
addSig(
signatureValues,
doIssuedTokenSignature(token, signdParts, wrapper)
);
}
}
private byte[] doX509TokenSignature(Token token, SignedEncryptedParts signedParts,
TokenWrapper wrapper)
throws Exception {
Document doc = saaj.getSOAPPart();
List sigParts = new ArrayList();
if (timestampEl != null) {
WSEncryptionPart timestampPart = convertToEncryptionPart(timestampEl.getElement());
sigParts.add(timestampPart);
}
if (signedParts != null) {
if (signedParts.isBody()) {
WSEncryptionPart bodyPart = convertToEncryptionPart(saaj.getSOAPBody());
sigParts.add(bodyPart);
}
for (Header header : signedParts.getHeaders()) {
WSEncryptionPart wep = new WSEncryptionPart(header.getName(),
header.getNamespace(),
"Content");
sigParts.add(wep);
}
}
if (token.isDerivedKeys()) {
WSSecEncryptedKey encrKey = getEncryptedKeyBuilder(wrapper, token);
Element bstElem = encrKey.getBinarySecurityTokenElement();
if (bstElem != null) {
addTopDownElement(bstElem);
}
encrKey.appendToHeader(secHeader);
WSSecDKSign dkSig = new WSSecDKSign(wssConfig);
dkSig.setSigCanonicalization(binding.getAlgorithmSuite().getInclusiveC14n());
dkSig.setSignatureAlgorithm(binding.getAlgorithmSuite().getSymmetricSignature());
dkSig.setDerivedKeyLength(binding.getAlgorithmSuite().getSignatureDerivedKeyLength() / 8);
dkSig.setExternalKey(encrKey.getEphemeralKey(), encrKey.getId());
dkSig.prepare(doc, secHeader);
dkSig.setParts(sigParts);
List referenceList = dkSig.addReferencesToSign(sigParts, secHeader);
//Do signature
dkSig.appendDKElementToHeader(secHeader);
dkSig.computeSignature(referenceList, false, null);
return dkSig.getSignatureValue();
} else {
WSSecSignature sig = getSignatureBuilder(wrapper, token, false);
if (sig != null) {
sig.prependBSTElementToHeader(secHeader);
List referenceList = sig.addReferencesToSign(sigParts, secHeader);
if (bottomUpElement == null) {
sig.computeSignature(referenceList, false, null);
} else {
sig.computeSignature(referenceList, true, bottomUpElement);
}
bottomUpElement = sig.getSignatureElement();
mainSigId = sig.getId();
return sig.getSignatureValue();
} else {
return null;
}
}
}
private byte[] doIssuedTokenSignature(
Token token, SignedEncryptedParts signdParts, TokenWrapper wrapper
) throws Exception {
boolean tokenIncluded = false;
// Get the issued token
SecurityToken secTok = getSecurityToken();
List sigParts = new ArrayList();
if (includeToken(token.getInclusion())) {
//Add the token
Element el = cloneElement(secTok.getToken());
//if (securityTok != null) {
//do we need to sign this as well?
//String id = addWsuIdToElement(el);
//sigParts.add(new WSEncryptionPart(id));
//}
addEncryptedKeyElement(el);
tokenIncluded = true;
}
if (timestampEl != null) {
WSEncryptionPart timestampPart = convertToEncryptionPart(timestampEl.getElement());
sigParts.add(timestampPart);
}
if (signdParts != null) {
if (signdParts.isBody()) {
WSEncryptionPart bodyPart = convertToEncryptionPart(saaj.getSOAPBody());
sigParts.add(bodyPart);
}
if (secTok.getX509Certificate() != null) {
//the "getX509Certificate" this is to workaround an issue in WCF
//In WCF, for TransportBinding, in most cases, it doesn't want any of
//the headers signed even if the policy says so. HOWEVER, for KeyValue
//IssuedTokens, it DOES want them signed
for (Header header : signdParts.getHeaders()) {
WSEncryptionPart wep = new WSEncryptionPart(header.getName(),
header.getNamespace(),
"Content");
sigParts.add(wep);
}
}
}
if (token.isDerivedKeys()) {
return doDerivedKeySignature(tokenIncluded, secTok, token, sigParts);
} else {
return doSignature(tokenIncluded, secTok, token, wrapper, sigParts);
}
}
private byte[] doDerivedKeySignature(
boolean tokenIncluded,
SecurityToken secTok,
Token token,
List sigParts
) throws Exception {
//Do Signature with derived keys
WSSecDKSign dkSign = new WSSecDKSign(wssConfig);
AlgorithmSuite algorithmSuite = tbinding.getAlgorithmSuite();
//Setting the AttachedReference or the UnattachedReference according to the flag
Element ref;
if (tokenIncluded) {
ref = secTok.getAttachedReference();
} else {
ref = secTok.getUnattachedReference();
}
if (ref != null) {
dkSign.setExternalKey(secTok.getSecret(), cloneElement(ref));
} else {
dkSign.setExternalKey(secTok.getSecret(), secTok.getId());
}
// Set the algo info
dkSign.setSignatureAlgorithm(algorithmSuite.getSymmetricSignature());
dkSign.setDerivedKeyLength(algorithmSuite.getSignatureDerivedKeyLength() / 8);
if (token.getSPConstants() == SP12Constants.INSTANCE) {
dkSign.setWscVersion(ConversationConstants.VERSION_05_12);
}
Document doc = saaj.getSOAPPart();
dkSign.prepare(doc, secHeader);
addDerivedKeyElement(dkSign.getdktElement());
dkSign.setParts(sigParts);
List referenceList = dkSign.addReferencesToSign(sigParts, secHeader);
//Do signature
dkSign.computeSignature(referenceList, false, null);
return dkSign.getSignatureValue();
}
private byte[] doSignature(
boolean tokenIncluded,
SecurityToken secTok,
Token token,
TokenWrapper wrapper,
List sigParts
) throws Exception {
WSSecSignature sig = new WSSecSignature(wssConfig);
//Setting the AttachedReference or the UnattachedReference according to the flag
Element ref;
if (tokenIncluded) {
ref = secTok.getAttachedReference();
} else {
ref = secTok.getUnattachedReference();
}
if (ref != null) {
SecurityTokenReference secRef =
new SecurityTokenReference(cloneElement(ref), false);
sig.setSecurityTokenReference(secRef);
sig.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
} else if (secTok.getTokenType() == null) {
sig.setCustomTokenId(secTok.getId());
sig.setCustomTokenValueType(WSConstants.WSS_SAML_KI_VALUE_TYPE);
sig.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
} else {
String id = secTok.getWsuId();
if (id == null) {
sig.setCustomTokenId(secTok.getId());
sig.setKeyIdentifierType(WSConstants.CUSTOM_SYMM_SIGNING_DIRECT);
} else {
sig.setCustomTokenId(secTok.getWsuId());
sig.setKeyIdentifierType(WSConstants.CUSTOM_SYMM_SIGNING);
}
String tokenType = secTok.getTokenType();
if (WSConstants.WSS_SAML_TOKEN_TYPE.equals(tokenType)
|| WSConstants.SAML_NS.equals(tokenType)) {
sig.setCustomTokenValueType(WSConstants.WSS_SAML_KI_VALUE_TYPE);
sig.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
} else if (WSConstants.WSS_SAML2_TOKEN_TYPE.equals(tokenType)
|| WSConstants.SAML2_NS.equals(tokenType)) {
sig.setCustomTokenValueType(WSConstants.WSS_SAML2_KI_VALUE_TYPE);
sig.setKeyIdentifierType(WSConstants.CUSTOM_KEY_IDENTIFIER);
} else {
sig.setCustomTokenValueType(tokenType);
}
}
Crypto crypto = null;
if (secTok.getSecret() == null) {
sig.setX509Certificate(secTok.getX509Certificate());
crypto = secTok.getCrypto();
if (crypto == null) {
crypto = getSignatureCrypto(wrapper);
}
String uname = crypto.getX509Identifier(secTok.getX509Certificate());
if (uname == null) {
String userNameKey = SecurityConstants.SIGNATURE_USERNAME;
uname = (String)message.getContextualProperty(userNameKey);
}
String password = getPassword(uname, token, WSPasswordCallback.SIGNATURE);
if (password == null) {
password = "";
}
sig.setUserInfo(uname, password);
sig.setSignatureAlgorithm(binding.getAlgorithmSuite().getAsymmetricSignature());
} else {
crypto = getSignatureCrypto(wrapper);
sig.setSecretKey(secTok.getSecret());
sig.setSignatureAlgorithm(binding.getAlgorithmSuite().getSymmetricSignature());
}
sig.setSigCanonicalization(binding.getAlgorithmSuite().getInclusiveC14n());
Document doc = saaj.getSOAPPart();
sig.prepare(doc, crypto, secHeader);
sig.setParts(sigParts);
List referenceList = sig.addReferencesToSign(sigParts, secHeader);
//Do signature
if (bottomUpElement == null) {
sig.computeSignature(referenceList, false, null);
} else {
sig.computeSignature(referenceList, true, bottomUpElement);
}
bottomUpElement = sig.getSignatureElement();
mainSigId = sig.getId();
return sig.getSignatureValue();
}
}
