| /** |
| * 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.wss4j.dom.saml; |
| |
| import org.apache.wss4j.common.saml.SamlAssertionWrapper; |
| import org.apache.wss4j.dom.WSConstants; |
| import org.apache.wss4j.dom.common.AbstractSAMLCallbackHandler; |
| import org.apache.wss4j.dom.common.KeystoreCallbackHandler; |
| import org.apache.wss4j.dom.common.SAML1CallbackHandler; |
| import org.apache.wss4j.dom.common.SAML2CallbackHandler; |
| import org.apache.wss4j.dom.common.SOAPUtil; |
| |
| import org.apache.wss4j.dom.engine.WSSConfig; |
| import org.apache.wss4j.dom.engine.WSSecurityEngine; |
| import org.apache.wss4j.dom.handler.RequestData; |
| import org.apache.wss4j.dom.handler.WSHandlerResult; |
| import org.apache.wss4j.common.crypto.Crypto; |
| import org.apache.wss4j.common.crypto.CryptoFactory; |
| import org.apache.wss4j.common.crypto.CryptoType; |
| import org.apache.wss4j.common.crypto.Merlin; |
| import org.apache.wss4j.common.ext.WSSecurityException; |
| import org.apache.wss4j.common.saml.SAMLCallback; |
| import org.apache.wss4j.common.saml.SAMLUtil; |
| import org.apache.wss4j.common.saml.bean.SubjectBean; |
| import org.apache.wss4j.common.saml.bean.Version; |
| import org.apache.wss4j.common.saml.builder.SAML1Constants; |
| import org.apache.wss4j.common.saml.builder.SAML2Constants; |
| import org.apache.wss4j.common.util.Loader; |
| import org.apache.wss4j.common.util.XMLUtils; |
| import org.apache.wss4j.dom.message.WSSecHeader; |
| import org.apache.wss4j.dom.message.WSSecSAMLToken; |
| |
| import org.junit.jupiter.api.Test; |
| import org.w3c.dom.Document; |
| |
| import javax.security.auth.callback.Callback; |
| import javax.security.auth.callback.CallbackHandler; |
| import javax.security.auth.callback.UnsupportedCallbackException; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.security.KeyStore; |
| |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NodeList; |
| |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| import static org.junit.jupiter.api.Assertions.fail; |
| |
| /** |
| * This is a set of test-cases where the SAML Assertion is altered in some way and so |
| * we expect an exception to be thrown when processing it. |
| */ |
| public class SamlNegativeTest { |
| private static final org.slf4j.Logger LOG = |
| org.slf4j.LoggerFactory.getLogger(SamlNegativeTest.class); |
| private WSSecurityEngine secEngine = new WSSecurityEngine(); |
| private CallbackHandler callbackHandler = new KeystoreCallbackHandler(); |
| private Crypto trustCrypto; |
| private Crypto issuerCrypto; |
| private Crypto userCrypto = CryptoFactory.getInstance("wss40.properties"); |
| |
| public SamlNegativeTest() throws Exception { |
| WSSConfig config = WSSConfig.getNewInstance(); |
| secEngine.setWssConfig(config); |
| |
| // Load the issuer keystore |
| issuerCrypto = new Merlin(); |
| KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType()); |
| ClassLoader loader = Loader.getClassLoader(SamlNegativeTest.class); |
| InputStream input = Merlin.loadInputStream(loader, "keys/wss40_server.jks"); |
| keyStore.load(input, "security".toCharArray()); |
| input.close(); |
| ((Merlin)issuerCrypto).setKeyStore(keyStore); |
| |
| // Load the server truststore |
| trustCrypto = new Merlin(); |
| KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType()); |
| input = Merlin.loadInputStream(loader, "keys/wss40CA.jks"); |
| trustStore.load(input, "security".toCharArray()); |
| input.close(); |
| ((Merlin)trustCrypto).setTrustStore(trustStore); |
| } |
| |
| /** |
| * Test that creates, sends and processes a signed SAML 2 sender-vouches |
| * authentication assertion. The assertion is altered and so the signature validation |
| * should fail. |
| */ |
| @Test |
| public void testSAML2AuthnAssertionModified() throws Exception { |
| SAML2CallbackHandler callbackHandler = new SAML2CallbackHandler(); |
| callbackHandler.setStatement(SAML2CallbackHandler.Statement.AUTHN); |
| callbackHandler.setConfirmationMethod(SAML2Constants.CONF_SENDER_VOUCHES); |
| callbackHandler.setIssuer("www.example.com"); |
| |
| SAMLCallback samlCallback = new SAMLCallback(); |
| SAMLUtil.doSAMLCallback(callbackHandler, samlCallback); |
| SamlAssertionWrapper samlAssertion = new SamlAssertionWrapper(samlCallback); |
| |
| Document doc = SOAPUtil.toSOAPPart(SOAPUtil.SAMPLE_SOAP_MSG); |
| WSSecHeader secHeader = new WSSecHeader(doc); |
| secHeader.insertSecurityHeader(); |
| |
| WSSecSignatureSAML wsSign = new WSSecSignatureSAML(secHeader); |
| wsSign.setKeyIdentifierType(WSConstants.BST_DIRECT_REFERENCE); |
| |
| Document signedDoc = |
| wsSign.build( |
| null, samlAssertion, userCrypto, "wss40", "security" |
| ); |
| |
| // |
| // Modify the assertion |
| // |
| Element envelope = signedDoc.getDocumentElement(); |
| NodeList list = envelope.getElementsByTagNameNS(WSConstants.SAML2_NS, "Assertion"); |
| Element assertionElement = (Element)list.item(0); |
| assertionElement.setAttributeNS(null, "MinorVersion", "5"); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("SAML 2 Authn Assertion (sender vouches):"); |
| String outputString = |
| XMLUtils.prettyDocumentToString(signedDoc); |
| LOG.debug(outputString); |
| } |
| |
| try { |
| verify(signedDoc, trustCrypto); |
| fail("Failure expected on a modified SAML Assertion"); |
| } catch (WSSecurityException ex) { |
| assertTrue(ex.getErrorCode() == WSSecurityException.ErrorCode.FAILED_CHECK); |
| } |
| } |
| |
| /** |
| * Test that creates a signed SAML 1.1 Assertion using HOK, but then modifies the signature |
| * object by replacing the enveloped transform with the exclusive c14n transform. |
| * The signature validation should then fail - the enveloped transform is mandatory for |
| * a signed assertion. |
| */ |
| @Test |
| public void testSAML1SignedKeyHolderSigModified() throws Exception { |
| SAML1CallbackHandler callbackHandler = new SAML1CallbackHandler(); |
| callbackHandler.setStatement(SAML1CallbackHandler.Statement.AUTHN); |
| callbackHandler.setConfirmationMethod(SAML1Constants.CONF_HOLDER_KEY); |
| callbackHandler.setIssuer("www.example.com"); |
| |
| SAMLCallback samlCallback = new SAMLCallback(); |
| SAMLUtil.doSAMLCallback(callbackHandler, samlCallback); |
| SamlAssertionWrapper samlAssertion = new SamlAssertionWrapper(samlCallback); |
| |
| samlAssertion.signAssertion("wss40_server", "security", issuerCrypto, false); |
| |
| Document doc = SOAPUtil.toSOAPPart(SOAPUtil.SAMPLE_SOAP_MSG); |
| WSSecHeader secHeader = new WSSecHeader(doc); |
| secHeader.insertSecurityHeader(); |
| |
| WSSecSAMLToken wsSign = new WSSecSAMLToken(secHeader); |
| |
| Document signedDoc = wsSign.build(samlAssertion); |
| |
| // |
| // Modify the assertion |
| // |
| Element envelope = signedDoc.getDocumentElement(); |
| NodeList list = envelope.getElementsByTagNameNS(WSConstants.SAML_NS, "Assertion"); |
| Element assertionElement = (Element)list.item(0); |
| list = assertionElement.getElementsByTagNameNS(WSConstants.SIG_NS, "Signature"); |
| Element sigElement = (Element)list.item(0); |
| list = sigElement.getElementsByTagNameNS(WSConstants.SIG_NS, "Transform"); |
| Element transformElement = (Element)list.item(0); |
| transformElement.setAttributeNS(null, "Algorithm", WSConstants.C14N_EXCL_OMIT_COMMENTS); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Signed (modified) SAML message (key holder):"); |
| String outputString = |
| XMLUtils.prettyDocumentToString(signedDoc); |
| LOG.debug(outputString); |
| } |
| |
| try { |
| verify(signedDoc, trustCrypto); |
| fail("Expected failure on a modified signature"); |
| } catch (WSSecurityException ex) { |
| assertTrue(ex.getErrorCode() == WSSecurityException.ErrorCode.FAILURE); |
| } |
| } |
| |
| /** |
| * Test that creates a signed SAML 2 Assertion using HOK, but then modifies the assertion. |
| * The signature verification should then fail. |
| */ |
| @Test |
| public void testSAML2SignedKeyHolderKeyModified() throws Exception { |
| SAML2CallbackHandler callbackHandler = new SAML2CallbackHandler(); |
| callbackHandler.setStatement(SAML2CallbackHandler.Statement.AUTHN); |
| callbackHandler.setConfirmationMethod(SAML2Constants.CONF_HOLDER_KEY); |
| callbackHandler.setIssuer("www.example.com"); |
| |
| SAMLCallback samlCallback = new SAMLCallback(); |
| SAMLUtil.doSAMLCallback(callbackHandler, samlCallback); |
| SamlAssertionWrapper samlAssertion = new SamlAssertionWrapper(samlCallback); |
| |
| samlAssertion.signAssertion("wss40_server", "security", issuerCrypto, false); |
| |
| Document doc = SOAPUtil.toSOAPPart(SOAPUtil.SAMPLE_SOAP_MSG); |
| WSSecHeader secHeader = new WSSecHeader(doc); |
| secHeader.insertSecurityHeader(); |
| |
| WSSecSAMLToken wsSign = new WSSecSAMLToken(secHeader); |
| |
| Document signedDoc = wsSign.build(samlAssertion); |
| // |
| // Modify the assertion |
| // |
| Element envelope = signedDoc.getDocumentElement(); |
| NodeList list = envelope.getElementsByTagNameNS(WSConstants.SAML2_NS, "Assertion"); |
| Element assertionElement = (Element)list.item(0); |
| assertionElement.setAttributeNS(null, "MinorVersion", "5"); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Signed (modified) SAML message (key holder):"); |
| String outputString = |
| XMLUtils.prettyDocumentToString(signedDoc); |
| LOG.debug(outputString); |
| } |
| |
| try { |
| verify(signedDoc, trustCrypto); |
| fail("Expected failure on a modified signature"); |
| } catch (WSSecurityException ex) { |
| assertTrue(ex.getErrorCode() == WSSecurityException.ErrorCode.FAILURE); |
| } |
| } |
| |
| /** |
| * Test that creates a signed SAML 1.1 authentication assertion that uses holder-of-key, but |
| * does not include a KeyInfo in the Subject, and hence will fail processing. |
| */ |
| @Test |
| public void testHOKNoKeyInfo() throws Exception { |
| SAML1HOKNoKeyInfoCallbackHandler callbackHandler = |
| new SAML1HOKNoKeyInfoCallbackHandler(); |
| callbackHandler.setStatement(SAML1CallbackHandler.Statement.AUTHN); |
| callbackHandler.setIssuer("www.example.com"); |
| |
| SAMLCallback samlCallback = new SAMLCallback(); |
| SAMLUtil.doSAMLCallback(callbackHandler, samlCallback); |
| SamlAssertionWrapper samlAssertion = new SamlAssertionWrapper(samlCallback); |
| |
| samlAssertion.signAssertion("wss40_server", "security", issuerCrypto, false); |
| |
| Document doc = SOAPUtil.toSOAPPart(SOAPUtil.SAMPLE_SOAP_MSG); |
| WSSecHeader secHeader = new WSSecHeader(doc); |
| secHeader.insertSecurityHeader(); |
| |
| WSSecSAMLToken wsSign = new WSSecSAMLToken(secHeader); |
| Document signedDoc = wsSign.build(samlAssertion); |
| |
| String outputString = |
| XMLUtils.prettyDocumentToString(signedDoc); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("SAML 1.1 Authn Assertion (key holder):"); |
| LOG.debug(outputString); |
| } |
| |
| try { |
| verify(signedDoc, trustCrypto); |
| fail("Expected failure on a holder-of-key confirmation method with no KeyInfo"); |
| } catch (WSSecurityException ex) { |
| assertTrue(ex.getErrorCode() == WSSecurityException.ErrorCode.FAILURE); |
| } |
| } |
| |
| /** |
| * Test that creates a SAML 1.1 authentication assertion that uses holder-of-key, but is |
| * not signed, and hence will fail processing. |
| */ |
| @Test |
| public void testHOKNotSigned() throws Exception { |
| SAML1CallbackHandler callbackHandler = new SAML1CallbackHandler(); |
| callbackHandler.setStatement(SAML1CallbackHandler.Statement.AUTHN); |
| callbackHandler.setConfirmationMethod(SAML1Constants.CONF_HOLDER_KEY); |
| |
| SAMLCallback samlCallback = new SAMLCallback(); |
| SAMLUtil.doSAMLCallback(callbackHandler, samlCallback); |
| |
| SamlAssertionWrapper samlAssertion = new SamlAssertionWrapper(samlCallback); |
| |
| samlCallback.setIssuer("www.example.com"); |
| samlCallback.setIssuerCrypto(issuerCrypto); |
| samlCallback.setIssuerKeyName("wss40_server"); |
| samlCallback.setIssuerKeyPassword("security"); |
| // saml.setSignAssertion(true); |
| |
| Document doc = SOAPUtil.toSOAPPart(SOAPUtil.SAMPLE_SOAP_MSG); |
| WSSecHeader secHeader = new WSSecHeader(doc); |
| secHeader.insertSecurityHeader(); |
| |
| WSSecSAMLToken wsSign = new WSSecSAMLToken(secHeader); |
| Document signedDoc = wsSign.build(samlAssertion); |
| |
| String outputString = |
| XMLUtils.prettyDocumentToString(signedDoc); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("SAML 1.1 Authn Assertion (unsigned key holder):"); |
| LOG.debug(outputString); |
| } |
| |
| try { |
| verify(signedDoc, trustCrypto); |
| fail("Expected failure on an unsigned assertion with holder-of-key confirmation method"); |
| } catch (WSSecurityException ex) { |
| assertTrue(ex.getMessage().contains("SAML token security failure")); |
| } |
| } |
| |
| /** |
| * Test that creates, sends and processes a signed SAML 2 authentication assertion, but it |
| * is rejected in processing as the signature on the assertion is not trusted. |
| */ |
| @Test |
| public void testSAML2TrustFailure() throws Exception { |
| SAML2CallbackHandler callbackHandler = new SAML2CallbackHandler(); |
| callbackHandler.setStatement(SAML2CallbackHandler.Statement.AUTHN); |
| callbackHandler.setConfirmationMethod(SAML2Constants.CONF_HOLDER_KEY); |
| callbackHandler.setIssuer("www.example.com"); |
| |
| SAMLCallback samlCallback = new SAMLCallback(); |
| SAMLUtil.doSAMLCallback(callbackHandler, samlCallback); |
| SamlAssertionWrapper samlAssertion = new SamlAssertionWrapper(samlCallback); |
| |
| samlAssertion.signAssertion( |
| "16c73ab6-b892-458f-abf5-2f875f74882e", "security", |
| CryptoFactory.getInstance("crypto.properties"), false |
| ); |
| |
| Document doc = SOAPUtil.toSOAPPart(SOAPUtil.SAMPLE_SOAP_MSG); |
| WSSecHeader secHeader = new WSSecHeader(doc); |
| secHeader.insertSecurityHeader(); |
| |
| WSSecSignatureSAML wsSign = new WSSecSignatureSAML(secHeader); |
| wsSign.setUserInfo("wss40", "security"); |
| wsSign.setDigestAlgo("http://www.w3.org/2001/04/xmlenc#sha256"); |
| wsSign.setSignatureAlgorithm("http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"); |
| wsSign.setKeyIdentifierType(WSConstants.BST_DIRECT_REFERENCE); |
| |
| Document signedDoc = |
| wsSign.build(userCrypto, samlAssertion, null, null, null); |
| |
| String outputString = |
| XMLUtils.prettyDocumentToString(signedDoc); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Untrusted signed SAML 2 Authn Assertion (key holder):"); |
| LOG.debug(outputString); |
| } |
| |
| try { |
| verify(signedDoc, trustCrypto); |
| fail ("Failure expected on an untrusted signed assertion"); |
| } catch (WSSecurityException ex) { |
| assertTrue(ex.getErrorCode() == WSSecurityException.ErrorCode.FAILURE); |
| } |
| } |
| |
| /** |
| * Verifies the soap envelope |
| * |
| * @param doc |
| * @throws Exception Thrown when there is a problem in verification |
| */ |
| private WSHandlerResult verify(Document doc, Crypto sigCrypto) throws Exception { |
| RequestData requestData = new RequestData(); |
| requestData.setCallbackHandler(callbackHandler); |
| requestData.setDecCrypto(userCrypto); |
| requestData.setSigVerCrypto(sigCrypto); |
| requestData.setValidateSamlSubjectConfirmation(false); |
| |
| WSHandlerResult results = secEngine.processSecurityHeader(doc, requestData); |
| |
| String outputString = |
| XMLUtils.prettyDocumentToString(doc); |
| assertTrue(outputString.indexOf("counter_port_type") > 0 ? true : false); |
| return results; |
| } |
| |
| /** |
| * A CallbackHandler that creates a SAML 1.1 Authentication Assertion using holder-of-key, |
| * but does not include a KeyInfo in the Subject. |
| */ |
| private static class SAML1HOKNoKeyInfoCallbackHandler extends AbstractSAMLCallbackHandler { |
| |
| public SAML1HOKNoKeyInfoCallbackHandler() throws Exception { |
| Crypto crypto = CryptoFactory.getInstance("wss40.properties"); |
| CryptoType cryptoType = new CryptoType(CryptoType.TYPE.ALIAS); |
| cryptoType.setAlias("wss40"); |
| certs = crypto.getX509Certificates(cryptoType); |
| |
| subjectName = "uid=joe,ou=people,ou=saml-demo,o=example.com"; |
| subjectQualifier = "www.example.com"; |
| confirmationMethod = SAML1Constants.CONF_HOLDER_KEY; |
| } |
| |
| public void handle(Callback[] callbacks) |
| throws IOException, UnsupportedCallbackException { |
| for (int i = 0; i < callbacks.length; i++) { |
| if (callbacks[i] instanceof SAMLCallback) { |
| SAMLCallback callback = (SAMLCallback) callbacks[i]; |
| SubjectBean subjectBean = |
| new SubjectBean( |
| subjectName, subjectQualifier, confirmationMethod |
| ); |
| createAndSetStatement(subjectBean, callback); |
| callback.setSamlVersion(Version.SAML_11); |
| } else { |
| throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback"); |
| } |
| } |
| } |
| } |
| |
| } |