1 files changed, 161 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/verification/SAMLVerificationEngineSP.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/verification/SAMLVerificationEngineSP.java
new file mode 100644
index 000000000..cd80d8c24
--- /dev/null
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/verification/SAMLVerificationEngineSP.java
@@ -0,0 +1,161 @@
+/*
+ * Copyright 2014 Federal Chancellery Austria
+ * MOA-ID has been developed in a cooperation between BRZ, the Federal
+ * Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * 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/
+ *
+ * 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.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.gv.egovernment.moa.id.protocols.pvp2x.verification;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.joda.time.DateTime;
+import org.opensaml.saml2.core.Conditions;
+import org.opensaml.saml2.core.EncryptedAssertion;
+import org.opensaml.saml2.core.Response;
+import org.opensaml.saml2.core.StatusCode;
+import org.opensaml.saml2.encryption.Decrypter;
+import org.opensaml.saml2.encryption.EncryptedElementTypeEncryptedKeyResolver;
+import org.opensaml.xml.encryption.ChainingEncryptedKeyResolver;
+import org.opensaml.xml.encryption.DecryptionException;
+import org.opensaml.xml.encryption.InlineEncryptedKeyResolver;
+import org.opensaml.xml.encryption.SimpleRetrievalMethodEncryptedKeyResolver;
+import org.opensaml.xml.security.credential.Credential;
+import org.opensaml.xml.security.keyinfo.StaticKeyInfoCredentialResolver;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import at.gv.egovernment.moa.id.config.ConfigurationException;
+import at.gv.egovernment.moa.id.config.auth.AuthConfiguration;
+import at.gv.egovernment.moa.id.protocols.pvp2x.exceptions.AssertionValidationExeption;
+import at.gv.egovernment.moa.id.protocols.pvp2x.exceptions.SchemaValidationException;
+import at.gv.egovernment.moa.logging.Logger;
+
+/**
+ * @author tlenz
+ *
+ */
+@Service("SAMLVerificationEngineSP")
+public class SAMLVerificationEngineSP extends SAMLVerificationEngine {
+	
+	@Autowired AuthConfiguration authConfig;
+	
+	public void validateAssertion(Response samlResp, boolean validateDestination, Credential assertionDecryption) throws AssertionValidationExeption {
+		try {
+			if (samlResp.getStatus().getStatusCode().getValue().equals(StatusCode.SUCCESS_URI)) {
+				List<org.opensaml.saml2.core.Assertion> saml2assertions = new ArrayList<org.opensaml.saml2.core.Assertion>();
+				
+				//validate destination URL
+				List<String> allowedPublicURLPrefix = authConfig.getPublicURLPrefix();
+				boolean isValidDestination = false;
+				for (String allowedPreFix : allowedPublicURLPrefix) {
+					if (validateDestination && samlResp.getDestination().startsWith(
+							allowedPreFix)) {
+							isValidDestination = true;
+							break;
+					
+					}
+				}
+				if (!isValidDestination && validateDestination) {
+					Logger.warn("PVP 2.1 assertion destination does not match to IDP URL");
+					throw new AssertionValidationExeption("PVP 2.1 assertion destination does not match to IDP URL", null);					
+					
+				}
+				
+				//check encrypted Assertion
+				List<EncryptedAssertion> encryAssertionList = samlResp.getEncryptedAssertions();
+				if (encryAssertionList != null && encryAssertionList.size() > 0) {
+					//decrypt assertions
+					
+					Logger.debug("Found encryped assertion. Start decryption ...");
+																		
+					StaticKeyInfoCredentialResolver skicr =
+							  new StaticKeyInfoCredentialResolver(assertionDecryption);
+					
+					ChainingEncryptedKeyResolver encryptedKeyResolver = new ChainingEncryptedKeyResolver();
+					encryptedKeyResolver.getResolverChain().add( new InlineEncryptedKeyResolver() );
+					encryptedKeyResolver.getResolverChain().add( new EncryptedElementTypeEncryptedKeyResolver() );
+					encryptedKeyResolver.getResolverChain().add( new SimpleRetrievalMethodEncryptedKeyResolver() );
+					
+					Decrypter samlDecrypter =
+							  new Decrypter(null, skicr, encryptedKeyResolver);
+					
+					for (EncryptedAssertion encAssertion : encryAssertionList) {							
+						saml2assertions.add(samlDecrypter.decrypt(encAssertion));
+	
+					}
+					
+					Logger.debug("Assertion decryption finished. ");
+					
+				} else {
+					saml2assertions.addAll(samlResp.getAssertions());
+			
+				}
+				
+				List<org.opensaml.saml2.core.Assertion> validatedassertions = new ArrayList<org.opensaml.saml2.core.Assertion>();				
+				for (org.opensaml.saml2.core.Assertion saml2assertion : saml2assertions) {
+					
+					try {
+						performSchemaValidation(saml2assertion.getDOM());
+											
+						Conditions conditions = saml2assertion.getConditions();
+					DateTime notbefore = conditions.getNotBefore().minusMinutes(5);
+					DateTime notafter = conditions.getNotOnOrAfter();
+					if ( notbefore.isAfterNow() || notafter.isBeforeNow() ) {
+						Logger.warn("PVP2 Assertion is out of Date. "
+								+ "{ Current : " + new DateTime() 
+								+ " NotBefore: " + notbefore 
+								+ " NotAfter : " + notafter
+								+ " }");;
+											
+						} else {
+							validatedassertions.add(saml2assertion);
+						
+						}
+						
+					} catch (SchemaValidationException e) {
+						
+					}
+				}
+				
+				if (validatedassertions.isEmpty()) {
+					Logger.info("No valid PVP 2.1 assertion received.");
+					throw new AssertionValidationExeption("No valid PVP 2.1 assertion received.", null);
+				}
+					
+				samlResp.getAssertions().clear();
+				samlResp.getEncryptedAssertions().clear();
+				samlResp.getAssertions().addAll(validatedassertions);
+				
+			} else {
+				Logger.info("PVP 2.1 assertion includes an error. Receive errorcode " 
+						+ samlResp.getStatus().getStatusCode().getValue());
+				throw new AssertionValidationExeption("PVP 2.1 assertion includes an error. Receive errorcode " 
+						+ samlResp.getStatus().getStatusCode().getValue(), null);
+			}
+			
+		} catch (DecryptionException e) {
+			Logger.warn("Assertion decrypt FAILED.", e);
+			throw new AssertionValidationExeption("Assertion decrypt FAILED.", null, e);
+			
+		} catch (ConfigurationException e) {
+			throw new AssertionValidationExeption("pvp.12", null, e);
+		} 		
+	}
+}