diff options
Diffstat (limited to 'id/server/stork2-saml-engine/src/main/java/eu/stork/peps/auth/engine/core/impl/SignSW.java')
-rw-r--r-- | id/server/stork2-saml-engine/src/main/java/eu/stork/peps/auth/engine/core/impl/SignSW.java | 1065 |
1 files changed, 527 insertions, 538 deletions
diff --git a/id/server/stork2-saml-engine/src/main/java/eu/stork/peps/auth/engine/core/impl/SignSW.java b/id/server/stork2-saml-engine/src/main/java/eu/stork/peps/auth/engine/core/impl/SignSW.java index 4554a9586..e31688069 100644 --- a/id/server/stork2-saml-engine/src/main/java/eu/stork/peps/auth/engine/core/impl/SignSW.java +++ b/id/server/stork2-saml-engine/src/main/java/eu/stork/peps/auth/engine/core/impl/SignSW.java @@ -1,538 +1,527 @@ -/*
- * Licensed under the EUPL, Version 1.1 or – as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence. You may
- * obtain a copy of the Licence at:
- *
- * http://www.osor.eu/eupl/european-union-public-licence-eupl-v.1.1
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * Licence for the specific language governing permissions and limitations under
- * the Licence.
- */
-
-package eu.stork.peps.auth.engine.core.impl;
-
-import java.io.ByteArrayInputStream;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.security.GeneralSecurityException;
-import java.security.KeyStore;
-import java.security.KeyStoreException;
-import java.security.NoSuchAlgorithmException;
-import java.security.PrivateKey;
-import java.security.Provider;
-import java.security.Security;
-import java.security.UnrecoverableKeyException;
-import java.security.cert.CertificateExpiredException;
-import java.security.cert.CertificateFactory;
-import java.security.cert.CertificateNotYetValidException;
-import java.security.cert.X509Certificate;
-import java.util.ArrayList;
-import java.util.Enumeration;
-import java.util.InvalidPropertiesFormatException;
-import java.util.List;
-import java.util.Properties;
-
-import eu.stork.peps.auth.engine.SAMLEngineUtils;
-import eu.stork.peps.auth.engine.X509PrincipalUtil;
-import org.apache.commons.io.IOUtils;
-import org.apache.commons.lang.NotImplementedException;
-import org.bouncycastle.jce.X509Principal;
-import org.bouncycastle.jce.provider.BouncyCastleProvider;
-import org.opensaml.Configuration;
-import org.opensaml.common.SAMLObject;
-import org.opensaml.common.SignableSAMLObject;
-import org.opensaml.saml2.core.Assertion;
-import org.opensaml.saml2.core.LogoutResponse;
-import org.opensaml.saml2.core.Response;
-import org.opensaml.security.SAMLSignatureProfileValidator;
-import org.opensaml.xml.io.MarshallingException;
-import org.opensaml.xml.security.SecurityConfiguration;
-import org.opensaml.xml.security.SecurityException;
-import org.opensaml.xml.security.credential.Credential;
-import org.opensaml.xml.security.keyinfo.KeyInfoGenerator;
-import org.opensaml.xml.security.keyinfo.KeyInfoGeneratorFactory;
-import org.opensaml.xml.security.keyinfo.KeyInfoGeneratorManager;
-import org.opensaml.xml.security.keyinfo.NamedKeyInfoGeneratorManager;
-import org.opensaml.xml.security.trust.ExplicitKeyTrustEvaluator;
-import org.opensaml.xml.security.trust.ExplicitX509CertificateTrustEvaluator;
-import org.opensaml.xml.security.x509.BasicX509Credential;
-import org.opensaml.xml.signature.KeyInfo;
-import org.opensaml.xml.signature.Signature;
-import org.opensaml.xml.signature.SignatureConstants;
-import org.opensaml.xml.signature.SignatureException;
-import org.opensaml.xml.signature.SignatureValidator;
-import org.opensaml.xml.signature.Signer;
-import org.opensaml.xml.util.Base64;
-import org.opensaml.xml.validation.ValidationException;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import eu.stork.peps.auth.engine.core.CustomAttributeQuery;
-import eu.stork.peps.auth.engine.core.SAMLEngineSignI;
-import eu.stork.peps.configuration.ConfigurationReader;
-import eu.stork.peps.exceptions.SAMLEngineException;
-
-
-/**
- * The Class SWSign. Class responsible for signing and validating of messages
- * SAML with a certificate store software.
- *
- * @author fjquevedo
- */
-public class SignSW implements SAMLEngineSignI {
-
- /** The Constant KEYSTORE_TYPE. */
- private static final String KEYSTORE_TYPE = "keystoreType";
-
- /** The Constant KEY_STORE_PASSWORD. */
- private static final String KEY_STORE_PASS = "keyStorePassword";
-
- /** The logger. */
- private static final Logger LOG = LoggerFactory.getLogger(SignSW.class
- .getName());
-
- /** The stork own key store. */
- private KeyStore storkOwnKeyStore = null;
-
- /**
- * The instance.
- *
- * @return the properties
- */
-
- public final Properties getProperties() {
- return properties;
- }
-
- /**
- * Gets the stork own key store.
- *
- * @return the stork own key store
- */
- public final KeyStore getStorkOwnKeyStore() {
- return storkOwnKeyStore;
- }
-
- /**
- * Gets the stork trustStore.
- *
- * @return the stork own key store
- */
- public KeyStore getTrustStore() {
- return storkOwnKeyStore;
- }
-
- /**
- * Sets the stork own key store.
- *
- * @param newkOwnKeyStore the new stork own key store
- */
- public final void setStorkOwnKeyStore(final KeyStore newkOwnKeyStore) {
- this.storkOwnKeyStore = newkOwnKeyStore;
- }
-
- /**
- * Sets the properties.
- *
- * @param newProperties the new properties
- */
- public final void setProperties(final Properties newProperties) {
- this.properties = newProperties;
- }
-
- /** The SW sign prop. */
- private Properties properties = null;
-
-
- /**
- * Inits the file configuration.
- *
- * @param fileConf name of the file configuration
- *
- * @throws SAMLEngineException error at the load from file configuration
- */
- public final void init(final String fileConf)
- throws SAMLEngineException {
- InputStream fileProperties = null;
- try {
- // fetch base from system properties, give a default if there is nothing configured
- String base = System.getProperty("eu.stork.samlengine.config.location");
- if(null != base)
- if(!base.endsWith("/"))
- base += "/";
-
- if(null != base)
- fileProperties = new FileInputStream(base + fileConf);
- else
- fileProperties = SignSW.class.getResourceAsStream("/" + fileConf);
- properties = new Properties();
-
- properties.loadFromXML(fileProperties);
- fileProperties.close();
- } catch (InvalidPropertiesFormatException e) {
- LOG.info("Exception: invalid properties format.");
- throw new SAMLEngineException(e);
- } catch (IOException e) {
- LOG.info("Exception: invalid file: " + fileConf);
- throw new SAMLEngineException(e);
- } finally {
- IOUtils.closeQuietly(fileProperties);
- }
- }
-
- /**
- * @see eu.stork.peps.auth.engine.core.SAMLEngineSignI#getCertificate()
- * @return the X509Certificate
- */
- public final X509Certificate getCertificate() {
- throw new NotImplementedException();
- }
-
-
- /**
- * Sign the token SAML.
- *
- * @param tokenSaml the token SAML.
- *
- * @return the SAML object
- *
- * @throws SAMLEngineException the SAML engine exception
- *
- */
- public final SAMLObject sign(final SignableSAMLObject tokenSaml)
- throws SAMLEngineException {
- LOG.info("Start Sign process.");
- try {
- final String serialNumber = properties.getProperty("serialNumber");
- final String issuer = properties.getProperty("issuer");
-
- String alias = null;
- String aliasCert;
- X509Certificate certificate;
- boolean find = false;
-
- for (final Enumeration<String> e = storkOwnKeyStore.aliases(); e
- .hasMoreElements() && !find; ) {
- aliasCert = e.nextElement();
- certificate = (X509Certificate) storkOwnKeyStore
- .getCertificate(aliasCert);
-
- final String serialNum = certificate.getSerialNumber()
- .toString(16);
-
- X509Principal issuerDN = new X509Principal(certificate.getIssuerDN().getName());
- X509Principal issuerDNConf = new X509Principal(issuer);
-
- if(serialNum.equalsIgnoreCase(serialNumber)
- && X509PrincipalUtil.equals(issuerDN, issuerDNConf)){
- alias = aliasCert;
- find = true;
- }
- }
- if (!find) {
- throw new SAMLEngineException("Certificate cannot be found in keystore ");
- }
- certificate = (X509Certificate) storkOwnKeyStore.getCertificate(alias);
- final PrivateKey privateKey = (PrivateKey) storkOwnKeyStore.getKey(
- alias, properties.getProperty("keyPassword").toCharArray());
-
- LOG.info("Recover BasicX509Credential.");
- final BasicX509Credential credential = new BasicX509Credential();
-
- LOG.debug("Load certificate");
- credential.setEntityCertificate(certificate);
-
- LOG.debug("Load privateKey");
- credential.setPrivateKey(privateKey);
-
- LOG.debug("Begin signature with openSaml");
- final Signature signature = (Signature) Configuration
- .getBuilderFactory().getBuilder(
- Signature.DEFAULT_ELEMENT_NAME).buildObject(
- Signature.DEFAULT_ELEMENT_NAME);
-
- signature.setSigningCredential(credential);
- signature.setSignatureAlgorithm(
- SignatureConstants.ALGO_ID_SIGNATURE_RSA_SHA256);
-
-
- final SecurityConfiguration secConfiguration = Configuration
- .getGlobalSecurityConfiguration();
- final NamedKeyInfoGeneratorManager keyInfoManager = secConfiguration
- .getKeyInfoGeneratorManager();
- final KeyInfoGeneratorManager keyInfoGenManager = keyInfoManager
- .getDefaultManager();
- final KeyInfoGeneratorFactory keyInfoGenFac = keyInfoGenManager
- .getFactory(credential);
- final KeyInfoGenerator keyInfoGenerator = keyInfoGenFac
- .newInstance();
-
- KeyInfo keyInfo = keyInfoGenerator.generate(credential);
-
- signature.setKeyInfo(keyInfo);
- signature.setCanonicalizationAlgorithm(
- SignatureConstants.ALGO_ID_C14N_EXCL_OMIT_COMMENTS);
-
- //Create a second signature which will be used when signing assertion and response
- final Signature signature2 = (Signature) Configuration
- .getBuilderFactory().getBuilder(
- Signature.DEFAULT_ELEMENT_NAME).buildObject(
- Signature.DEFAULT_ELEMENT_NAME);
- final SecurityConfiguration secConfiguration2 = Configuration
- .getGlobalSecurityConfiguration();
- final NamedKeyInfoGeneratorManager keyInfoManager2 = secConfiguration2
- .getKeyInfoGeneratorManager();
- final KeyInfoGeneratorManager keyInfoGenManager2 = keyInfoManager2
- .getDefaultManager();
- final KeyInfoGeneratorFactory keyInfoGenFac2 = keyInfoGenManager2
- .getFactory(credential);
- final KeyInfoGenerator keyInfoGenerator2 = keyInfoGenFac2
- .newInstance();
-
- KeyInfo keyInfo2 = keyInfoGenerator2.generate(credential);
- signature2.setSigningCredential(credential);
- signature2.setSignatureAlgorithm(
- SignatureConstants.ALGO_ID_SIGNATURE_RSA_SHA256);
- signature2.setKeyInfo(keyInfo2);
- signature2.setCanonicalizationAlgorithm(
- SignatureConstants.ALGO_ID_C14N_EXCL_OMIT_COMMENTS);
-
-
- LOG.info("Marshall samlToken.");
- String qn = tokenSaml.getElementQName().toString();
-
- if (qn.endsWith(CustomAttributeQuery.DEFAULT_ELEMENT_LOCAL_NAME))
- {
- tokenSaml.setSignature(signature);
- CustomAttributeQueryMarshaller mars = new CustomAttributeQueryMarshaller();
- mars.marshall(tokenSaml);
- Signer.signObject(signature);
- }
- else if (qn.endsWith(Response.DEFAULT_ELEMENT_LOCAL_NAME) && !qn.contains(LogoutResponse.DEFAULT_ELEMENT_LOCAL_NAME))
- {
- Response res = (Response)tokenSaml;
- List<Assertion> asserts = res.getAssertions();
- //If multiple assertions we just sign the response and not the assertion
- if (asserts.size() > 1)
- {
- tokenSaml.setSignature(signature);
- Configuration.getMarshallerFactory().getMarshaller(tokenSaml)
- .marshall(tokenSaml);
- LOG.info("Sign samlToken.");
- Signer.signObject(signature);
- }
- //If single assertion we sign the assertion and response
- else
- {
- Assertion assertion = (Assertion)asserts.get(0);
- assertion.setSignature(signature);
- tokenSaml.setSignature(signature2);
- Configuration.getMarshallerFactory().getMarshaller(tokenSaml)
- .marshall(tokenSaml);
- LOG.info("Sign samlToken.");
- Signer.signObject(signature);
- Signer.signObject(signature2);
- }
- }
- //Normally we just sign the total saml response
- else
- {
- tokenSaml.setSignature(signature);
- Configuration.getMarshallerFactory().getMarshaller(tokenSaml)
- .marshall(tokenSaml);
- LOG.info("Sign samlToken.");
- Signer.signObject(signature);
- }
-
-
- } catch (MarshallingException e) {
- LOG.error("MarshallingException");
- throw new SAMLEngineException(e);
- } catch (NoSuchAlgorithmException e) {
- LOG.error("A 'xmldsig#rsa-sha1' cryptographic algorithm is requested but is not available in the environment.");
- throw new SAMLEngineException(e);
- } catch (KeyStoreException e) {
- LOG.error("Generic KeyStore exception.");
- throw new SAMLEngineException(e);
- } catch (SignatureException e) {
- LOG.error("Signature exception.");
- throw new SAMLEngineException(e);
- } catch (SecurityException e) {
- LOG.error("Security exception.");
- throw new SAMLEngineException(e);
- } catch (UnrecoverableKeyException e) {
- LOG.error("UnrecoverableKey exception.");
- throw new SAMLEngineException(e);
- }
-
- return tokenSaml;
- }
-
- /**
- * @see eu.stork.peps.auth.engine.core.SAMLEngineSignI#validateSignature(org.opensaml.common.SignableSAMLObject)
- * @param tokenSaml token SAML
- * @return the SAMLObject validated.
- * @throws SAMLEngineException error validate signature
- */
- public final SAMLObject validateSignature(final SignableSAMLObject tokenSaml)
- throws SAMLEngineException {
- LOG.info("Start signature validation.");
- try {
-
- // Validate structure signature
- final SAMLSignatureProfileValidator sigProfValidator =
- new SAMLSignatureProfileValidator();
- try {
- // Indicates signature id conform to SAML Signature profile
- sigProfValidator.validate(tokenSaml.getSignature());
- } catch (ValidationException e) {
- LOG.error("ValidationException: signature isn't conform to SAML Signature profile.");
- throw new SAMLEngineException(e);
- }
-
- String aliasCert = null;
- X509Certificate certificate;
-
- /*final List<Credential> trustCred = new ArrayList<Credential>();
-
- for (final Enumeration<String> e = storkOwnKeyStore.aliases(); e
- .hasMoreElements();) {
- aliasCert = e.nextElement();
- final BasicX509Credential credential = new BasicX509Credential();
- certificate = (X509Certificate) storkOwnKeyStore
- .getCertificate(aliasCert);
- credential.setEntityCertificate(certificate);
- trustCred.add(credential);
- }*/
-
- final KeyInfo keyInfo = tokenSaml.getSignature().getKeyInfo();
-
- final org.opensaml.xml.signature.X509Certificate xmlCert = keyInfo
- .getX509Datas().get(0).getX509Certificates().get(0);
-
- final CertificateFactory certFact = CertificateFactory
- .getInstance("X.509");
- final ByteArrayInputStream bis = new ByteArrayInputStream(Base64
- .decode(xmlCert.getValue()));
- final X509Certificate cert = (X509Certificate) certFact
- .generateCertificate(bis);
-
- // Exist only one certificate
- final BasicX509Credential entityX509Cred = new BasicX509Credential();
- entityX509Cred.setEntityCertificate(cert);
-
- try {
- cert.checkValidity();
- }
- catch (CertificateExpiredException exp) {
- throw new SAMLEngineException("Certificate expired.");
- }
- catch (CertificateNotYetValidException exp) {
- throw new SAMLEngineException("Certificate not yet valid.");
- }
-
- boolean trusted = false;
-
- for (final Enumeration<String> e = storkOwnKeyStore.aliases(); e.hasMoreElements();)
- {
- aliasCert = e.nextElement();
- certificate = (X509Certificate) storkOwnKeyStore.getCertificate(aliasCert);
- try {
- cert.verify(certificate.getPublicKey());
- trusted = true;
- break;
- }
- catch (Exception ex) {
- //Do nothing - cert not trusted yet
- }
- }
-
- if (!trusted)
- throw new SAMLEngineException("Certificate is not trusted.");
-
- /*
- // Validate trust certificates
- final ExplicitX509CertificateTrustEvaluator chainTrustEvaluator = new ExplicitX509CertificateTrustEvaluator();
-
- if (!chainTrustEvaluator.validate(entityX509Cred, trustCred)) {
- throw new SAMLEngineException("Certificate is not trusted.");
- }
- /*final ExplicitKeyTrustEvaluator keyTrustEvaluator =
- new ExplicitKeyTrustEvaluator();
-
- if (!keyTrustEvaluator.validate(entityX509Cred, trustCred)) {
- throw new SAMLEngineException("Certificate is not trusted.");
- }*/
-
- // Validate signature
- final SignatureValidator sigValidator = new SignatureValidator(
- entityX509Cred);
- sigValidator.validate(tokenSaml.getSignature());
-
- } catch (ValidationException e) {
- LOG.error("ValidationException.");
- throw new SAMLEngineException(e);
- } catch (KeyStoreException e) {
- LOG.error("KeyStoreException.", e);
- throw new SAMLEngineException(e);
- } catch (GeneralSecurityException e) {
- LOG.error("GeneralSecurityException.", e);
- throw new SAMLEngineException(e);
- }
- LOG.info(tokenSaml.getSignatureReferenceID());
- LOG.info("Start signature validation - END." );
- return tokenSaml;
- }
-
-
- /**
- * Load cryptographic service provider.
- *
- * @throws SAMLEngineException the SAML engine exception
- */
- public final void loadCryptServiceProvider() throws SAMLEngineException {
- LOG.info("Load Cryptographic Service Provider");
- FileInputStream fis = null;
- try {
- // Dynamically register Bouncy Castle provider.
- boolean found = false;
- // Check if BouncyCastle is already registered as a provider
- final Provider[] providers = Security.getProviders();
- for (int i = 0; i < providers.length; i++) {
- if (providers[i].getName().equals(
- BouncyCastleProvider.PROVIDER_NAME)) {
- found = true;
- }
- }
-
- // Register only if the provider has not been previously registered
- if (!found) {
- LOG.info("SAMLCore: Register Bouncy Castle provider.");
- Security.insertProviderAt(new BouncyCastleProvider(), Security
- .getProviders().length);
- }
-
- storkOwnKeyStore = KeyStore.getInstance(properties
- .getProperty(KEYSTORE_TYPE));
-
- LOG.info("Loading KeyInfo from keystore file " + properties.getProperty("keystorePath"));
- fis = new FileInputStream(properties
- .getProperty("keystorePath"));
-
- storkOwnKeyStore.load(fis, properties.getProperty(
- KEY_STORE_PASS).toCharArray());
-
- } catch (Exception e) {
- LOG.error("Error loading CryptographicServiceProvider", e);
- throw new SAMLEngineException(
- "Error loading CryptographicServiceProvider", e);
- } finally {
- IOUtils.closeQuietly(fis);
- }
- }
-}
+/* + * Licensed under the EUPL, Version 1.1 or – as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. You may + * obtain a copy of the Licence at: + * + * http://www.osor.eu/eupl/european-union-public-licence-eupl-v.1.1 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * Licence for the specific language governing permissions and limitations under + * the Licence. + */ + +package eu.stork.peps.auth.engine.core.impl; + +import eu.stork.peps.auth.engine.X509PrincipalUtil; +import eu.stork.peps.auth.engine.core.CustomAttributeQuery; +import eu.stork.peps.auth.engine.core.SAMLEngineSignI; +import eu.stork.peps.exceptions.SAMLEngineException; +import org.apache.commons.io.IOUtils; +import org.apache.commons.lang.NotImplementedException; +import org.bouncycastle.jce.X509Principal; +import org.bouncycastle.jce.provider.BouncyCastleProvider; +import org.opensaml.Configuration; +import org.opensaml.common.SAMLObject; +import org.opensaml.common.SignableSAMLObject; +import org.opensaml.saml2.core.Assertion; +import org.opensaml.saml2.core.LogoutResponse; +import org.opensaml.saml2.core.Response; +import org.opensaml.security.SAMLSignatureProfileValidator; +import org.opensaml.xml.io.MarshallingException; +import org.opensaml.xml.security.SecurityConfiguration; +import org.opensaml.xml.security.SecurityException; +import org.opensaml.xml.security.credential.Credential; +import org.opensaml.xml.security.keyinfo.KeyInfoGenerator; +import org.opensaml.xml.security.keyinfo.KeyInfoGeneratorFactory; +import org.opensaml.xml.security.keyinfo.KeyInfoGeneratorManager; +import org.opensaml.xml.security.keyinfo.NamedKeyInfoGeneratorManager; +import org.opensaml.xml.security.trust.ExplicitKeyTrustEvaluator; +import org.opensaml.xml.security.trust.ExplicitX509CertificateTrustEvaluator; +import org.opensaml.xml.security.x509.BasicX509Credential; +import org.opensaml.xml.signature.*; +import org.opensaml.xml.signature.Signature; +import org.opensaml.xml.signature.SignatureException; +import org.opensaml.xml.signature.Signer; +import org.opensaml.xml.util.Base64; +import org.opensaml.xml.validation.ValidationException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.ByteArrayInputStream; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.security.*; +import java.security.cert.CertificateExpiredException; +import java.security.cert.CertificateFactory; +import java.security.cert.CertificateNotYetValidException; +import java.security.cert.X509Certificate; +import java.util.*; + + +/** + * The Class SWSign. Class responsible for signing and validating of messages + * SAML with a certificate store software. + * + * @author fjquevedo + */ +public class SignSW implements SAMLEngineSignI { + + /** + * The Constant KEYSTORE_TYPE. + */ + private static final String KEYSTORE_TYPE = "keystoreType"; + + /** + * The Constant KEY_STORE_PASSWORD. + */ + private static final String KEY_STORE_PASS = "keyStorePassword"; + + /** + * The logger. + */ + private static final Logger LOG = LoggerFactory.getLogger(SignSW.class + .getName()); + + /** + * The stork own key store. + */ + private KeyStore storkOwnKeyStore = null; + + /** + * The instance. + * + * @return the properties + */ + + public final Properties getProperties() { + return properties; + } + + /** + * Gets the stork own key store. + * + * @return the stork own key store + */ + public final KeyStore getStorkOwnKeyStore() { + return storkOwnKeyStore; + } + + /** + * Gets the stork trustStore. + * + * @return the stork own key store + */ + public KeyStore getTrustStore() { + return storkOwnKeyStore; + } + + /** + * Sets the stork own key store. + * + * @param newkOwnKeyStore the new stork own key store + */ + public final void setStorkOwnKeyStore(final KeyStore newkOwnKeyStore) { + this.storkOwnKeyStore = newkOwnKeyStore; + } + + /** + * Sets the properties. + * + * @param newProperties the new properties + */ + public final void setProperties(final Properties newProperties) { + this.properties = newProperties; + } + + /** + * The SW sign prop. + */ + private Properties properties = null; + + + /** + * Inits the file configuration. + * + * @param fileConf name of the file configuration + * @throws SAMLEngineException error at the load from file configuration + */ + public final void init(final String fileConf) + throws SAMLEngineException { + InputStream fileProperties = null; + // fetch base from system properties, give a default if there is nothing configured + String base = System.getProperty("eu.stork.samlengine.config.location"); + if (null != base) { + if (!base.endsWith("/")) { + base += "/"; + } + } else { + base = "/"; + } + + try { + if (null != base) + fileProperties = new FileInputStream(base + fileConf); + else + fileProperties = SignSW.class.getResourceAsStream("/" + + fileConf); + properties = new Properties(); + + properties.loadFromXML(fileProperties); + fileProperties.close(); + } catch (InvalidPropertiesFormatException e) { + LOG.info("Exception: invalid properties format."); + throw new SAMLEngineException(e); + } catch (IOException e) { + LOG.info("Exception: invalid file: " + fileConf); + throw new SAMLEngineException(e); + } finally { + IOUtils.closeQuietly(fileProperties); + } + } + + /** + * @return the X509Certificate + * @see eu.stork.peps.auth.engine.core.SAMLEngineSignI#getCertificate() + */ + public final X509Certificate getCertificate() { + throw new NotImplementedException(); + } + + + /** + * Sign the token SAML. + * + * @param tokenSaml the token SAML. + * @return the SAML object + * @throws SAMLEngineException the SAML engine exception + */ + public final SAMLObject sign(final SignableSAMLObject tokenSaml) + throws SAMLEngineException { + LOG.info("Start Sign process."); + try { + final String serialNumber = properties.getProperty("serialNumber"); + final String issuer = properties.getProperty("issuer"); + + String alias = null; + String aliasCert; + X509Certificate certificate; + boolean find = false; + + for (final Enumeration<String> e = storkOwnKeyStore.aliases(); e + .hasMoreElements() && !find; ) { + aliasCert = e.nextElement(); + certificate = (X509Certificate) storkOwnKeyStore + .getCertificate(aliasCert); + + final String serialNum = certificate.getSerialNumber() + .toString(16); + + X509Principal issuerDN = new X509Principal(certificate.getIssuerDN().getName()); + X509Principal issuerDNConf = new X509Principal(issuer); + + if (serialNum.equalsIgnoreCase(serialNumber) + && X509PrincipalUtil.equals(issuerDN, issuerDNConf)) { + alias = aliasCert; + find = true; + } + } + if (!find) { + throw new SAMLEngineException("Certificate cannot be found in keystore "); + } + certificate = (X509Certificate) storkOwnKeyStore.getCertificate(alias); + final PrivateKey privateKey = (PrivateKey) storkOwnKeyStore.getKey( + alias, properties.getProperty("keyPassword").toCharArray()); + + LOG.info("Recover BasicX509Credential."); + final BasicX509Credential credential = new BasicX509Credential(); + + LOG.debug("Load certificate"); + credential.setEntityCertificate(certificate); + + LOG.debug("Load privateKey"); + credential.setPrivateKey(privateKey); + + LOG.debug("Begin signature with openSaml"); + final Signature signature = (Signature) Configuration + .getBuilderFactory().getBuilder( + Signature.DEFAULT_ELEMENT_NAME).buildObject( + Signature.DEFAULT_ELEMENT_NAME); + + signature.setSigningCredential(credential); + signature.setSignatureAlgorithm( + SignatureConstants.ALGO_ID_SIGNATURE_RSA_SHA256); + //signature.setSignatureAlgorithm(SignatureConstants.ALGO_ID_SIGNATURE_RSA_SHA1); + + + final SecurityConfiguration secConfiguration = Configuration + .getGlobalSecurityConfiguration(); + final NamedKeyInfoGeneratorManager keyInfoManager = secConfiguration + .getKeyInfoGeneratorManager(); + final KeyInfoGeneratorManager keyInfoGenManager = keyInfoManager + .getDefaultManager(); + final KeyInfoGeneratorFactory keyInfoGenFac = keyInfoGenManager + .getFactory(credential); + final KeyInfoGenerator keyInfoGenerator = keyInfoGenFac + .newInstance(); + + KeyInfo keyInfo = keyInfoGenerator.generate(credential); + + signature.setKeyInfo(keyInfo); + signature.setCanonicalizationAlgorithm( + SignatureConstants.ALGO_ID_C14N_EXCL_OMIT_COMMENTS); + + //Create a second signature which will be used when signing assertion and response + final Signature signature2 = (Signature) Configuration + .getBuilderFactory().getBuilder( + Signature.DEFAULT_ELEMENT_NAME).buildObject( + Signature.DEFAULT_ELEMENT_NAME); + final SecurityConfiguration secConfiguration2 = Configuration + .getGlobalSecurityConfiguration(); + final NamedKeyInfoGeneratorManager keyInfoManager2 = secConfiguration2 + .getKeyInfoGeneratorManager(); + final KeyInfoGeneratorManager keyInfoGenManager2 = keyInfoManager2 + .getDefaultManager(); + final KeyInfoGeneratorFactory keyInfoGenFac2 = keyInfoGenManager2 + .getFactory(credential); + final KeyInfoGenerator keyInfoGenerator2 = keyInfoGenFac2 + .newInstance(); + + KeyInfo keyInfo2 = keyInfoGenerator2.generate(credential); + signature2.setSigningCredential(credential); + signature2.setSignatureAlgorithm( + SignatureConstants.ALGO_ID_SIGNATURE_RSA_SHA256); + //signature2.setSignatureAlgorithm(SignatureConstants.ALGO_ID_SIGNATURE_RSA_SHA1); + signature2.setKeyInfo(keyInfo2); + signature2.setCanonicalizationAlgorithm( + SignatureConstants.ALGO_ID_C14N_EXCL_OMIT_COMMENTS); + + + LOG.info("Marshall samlToken."); + String qn = tokenSaml.getElementQName().toString(); + + if (qn.endsWith(CustomAttributeQuery.DEFAULT_ELEMENT_LOCAL_NAME)) { + tokenSaml.setSignature(signature); + CustomAttributeQueryMarshaller mars = new CustomAttributeQueryMarshaller(); + mars.marshall(tokenSaml); + Signer.signObject(signature); + } else if (qn.endsWith(Response.DEFAULT_ELEMENT_LOCAL_NAME) && !qn.contains(LogoutResponse.DEFAULT_ELEMENT_LOCAL_NAME)) { + Response res = (Response) tokenSaml; + List<Assertion> asserts = res.getAssertions(); + //If multiple assertions we just sign the response and not the assertion + if (asserts.size() > 1) { + tokenSaml.setSignature(signature); + Configuration.getMarshallerFactory().getMarshaller(tokenSaml) + .marshall(tokenSaml); + LOG.info("Sign samlToken."); + Signer.signObject(signature); + } + //If single assertion we sign the assertion and response + else { + Assertion assertion = (Assertion) asserts.get(0); + assertion.setSignature(signature); + tokenSaml.setSignature(signature2); + Configuration.getMarshallerFactory().getMarshaller(tokenSaml) + .marshall(tokenSaml); + LOG.info("Sign samlToken."); + Signer.signObject(signature); + Signer.signObject(signature2); + } + } + //Normally we just sign the total saml response + else { + tokenSaml.setSignature(signature); + Configuration.getMarshallerFactory().getMarshaller(tokenSaml) + .marshall(tokenSaml); + LOG.info("Sign samlToken."); + Signer.signObject(signature); + } + + + } catch (MarshallingException e) { + LOG.error("MarshallingException"); + throw new SAMLEngineException(e); + } catch (NoSuchAlgorithmException e) { + LOG.error("A 'xmldsig#rsa-sha1' cryptographic algorithm is requested but is not available in the environment."); + throw new SAMLEngineException(e); + } catch (KeyStoreException e) { + LOG.error("Generic KeyStore exception."); + throw new SAMLEngineException(e); + } catch (SignatureException e) { + LOG.error("Signature exception."); + throw new SAMLEngineException(e); + } catch (SecurityException e) { + LOG.error("Security exception."); + throw new SAMLEngineException(e); + } catch (UnrecoverableKeyException e) { + LOG.error("UnrecoverableKey exception."); + throw new SAMLEngineException(e); + } + + return tokenSaml; + } + + /** + * @param tokenSaml token SAML + * @return the SAMLObject validated. + * @throws SAMLEngineException error validate signature + * @see eu.stork.peps.auth.engine.core.SAMLEngineSignI#validateSignature(org.opensaml.common.SignableSAMLObject) + */ + public final SAMLObject validateSignature(final SignableSAMLObject tokenSaml) + throws SAMLEngineException { + LOG.info("Start signature validation."); + try { + + // Validate structure signature + final SAMLSignatureProfileValidator sigProfValidator = + new SAMLSignatureProfileValidator(); + try { + // Indicates signature id conform to SAML Signature profile + sigProfValidator.validate(tokenSaml.getSignature()); + } catch (ValidationException e) { + LOG.error("ValidationException: signature isn't conform to SAML Signature profile."); + throw new SAMLEngineException(e); + } + + String aliasCert = null; + X509Certificate certificate; + + final List<Credential> trustCred = new ArrayList<Credential>(); + + for (final Enumeration<String> e = storkOwnKeyStore.aliases(); e + .hasMoreElements(); ) { + aliasCert = e.nextElement(); + final BasicX509Credential credential = new BasicX509Credential(); + certificate = (X509Certificate) storkOwnKeyStore + .getCertificate(aliasCert); + credential.setEntityCertificate(certificate); + trustCred.add(credential); + } + + final KeyInfo keyInfo = tokenSaml.getSignature().getKeyInfo(); + + final org.opensaml.xml.signature.X509Certificate xmlCert = keyInfo + .getX509Datas().get(0).getX509Certificates().get(0); + + final CertificateFactory certFact = CertificateFactory + .getInstance("X.509"); + final ByteArrayInputStream bis = new ByteArrayInputStream(Base64 + .decode(xmlCert.getValue())); + final X509Certificate cert = (X509Certificate) certFact + .generateCertificate(bis); + + // Exist only one certificate + final BasicX509Credential entityX509Cred = new BasicX509Credential(); + entityX509Cred.setEntityCertificate(cert); + + try { + cert.checkValidity(); + } catch (CertificateExpiredException exp) { + throw new SAMLEngineException("Certificate expired."); + } catch (CertificateNotYetValidException exp) { + throw new SAMLEngineException("Certificate not yet valid."); + } + + /* A better use of PKI based validation but not wanted for STORK... + boolean trusted = false; + + for (final Enumeration<String> e = storkOwnKeyStore.aliases(); e.hasMoreElements();) + { + aliasCert = e.nextElement(); + certificate = (X509Certificate) storkOwnKeyStore.getCertificate(aliasCert); + try { + cert.verify(certificate.getPublicKey()); + trusted = true; + break; + } + catch (Exception ex) { + //Do nothing - cert not trusted yet + } + } + + if (!trusted) + throw new SAMLEngineException("Certificate is not trusted.");*/ + + // Validate trust certificates + final ExplicitX509CertificateTrustEvaluator chainTrustEvaluator = new ExplicitX509CertificateTrustEvaluator(); + + if (!chainTrustEvaluator.validate(entityX509Cred, trustCred)) { + throw new SAMLEngineException("Certificate is not trusted."); + } + final ExplicitKeyTrustEvaluator keyTrustEvaluator = + new ExplicitKeyTrustEvaluator(); + + if (!keyTrustEvaluator.validate(entityX509Cred, trustCred)) { + throw new SAMLEngineException("Certificate is not trusted."); + } + + // Validate signature + final SignatureValidator sigValidator = new SignatureValidator( + entityX509Cred); + sigValidator.validate(tokenSaml.getSignature()); + + } catch (ValidationException e) { + LOG.error("ValidationException."); + throw new SAMLEngineException(e); + } catch (KeyStoreException e) { + LOG.error("KeyStoreException.", e); + throw new SAMLEngineException(e); + } catch (GeneralSecurityException e) { + LOG.error("GeneralSecurityException.", e); + throw new SAMLEngineException(e); + } + LOG.info(tokenSaml.getSignatureReferenceID()); + LOG.info("Start signature validation - END."); + return tokenSaml; + } + + + /** + * Load cryptographic service provider. + * + * @throws SAMLEngineException the SAML engine exception + */ + public final void loadCryptServiceProvider() throws SAMLEngineException { + LOG.info("Load Cryptographic Service Provider"); + FileInputStream fis = null; + try { + // Dynamically register Bouncy Castle provider. + boolean found = false; + // Check if BouncyCastle is already registered as a provider + final Provider[] providers = Security.getProviders(); + for (int i = 0; i < providers.length; i++) { + if (providers[i].getName().equals( + BouncyCastleProvider.PROVIDER_NAME)) { + found = true; + } + } + + // Register only if the provider has not been previously registered + if (!found) { + LOG.info("SAMLCore: Register Bouncy Castle provider."); + Security.insertProviderAt(new BouncyCastleProvider(), Security + .getProviders().length); + } + + storkOwnKeyStore = KeyStore.getInstance(properties + .getProperty(KEYSTORE_TYPE)); + + LOG.info("Loading KeyInfo from keystore file " + properties.getProperty("keystorePath")); + fis = new FileInputStream(properties + .getProperty("keystorePath")); + + storkOwnKeyStore.load(fis, properties.getProperty( + KEY_STORE_PASS).toCharArray()); + + } catch (Exception e) { + LOG.error("Error loading CryptographicServiceProvider", e); + throw new SAMLEngineException( + "Error loading CryptographicServiceProvider", e); + } finally { + IOUtils.closeQuietly(fis); + } + } +} |