1 files changed, 180 insertions, 0 deletions
diff --git a/id/server/modules/moa-id-module-sl20_authentication/src/main/java/at/gv/egovernment/moa/id/auth/modules/sl20_auth/tasks/VerifyQualifiedeIDTask.java b/id/server/modules/moa-id-module-sl20_authentication/src/main/java/at/gv/egovernment/moa/id/auth/modules/sl20_auth/tasks/VerifyQualifiedeIDTask.java
new file mode 100644
index 000000000..b5c84d315
--- /dev/null
+++ b/id/server/modules/moa-id-module-sl20_authentication/src/main/java/at/gv/egovernment/moa/id/auth/modules/sl20_auth/tasks/VerifyQualifiedeIDTask.java
@@ -0,0 +1,180 @@
+package at.gv.egovernment.moa.id.auth.modules.sl20_auth.tasks;
+
+import java.io.ByteArrayInputStream;
+import java.util.Calendar;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.opensaml.Configuration;
+import org.opensaml.saml2.core.Assertion;
+import org.opensaml.xml.XMLObject;
+import org.opensaml.xml.io.Unmarshaller;
+import org.opensaml.xml.io.UnmarshallerFactory;
+import org.springframework.stereotype.Component;
+import org.w3c.dom.Element;
+import org.xml.sax.SAXException;
+
+import at.gv.egovernment.moa.id.advancedlogging.TransactionIDUtils;
+import at.gv.egovernment.moa.id.auth.modules.AbstractAuthServletTask;
+import at.gv.egovernment.moa.id.auth.modules.TaskExecutionException;
+import at.gv.egovernment.moa.id.auth.modules.sl20_auth.Constants;
+import at.gv.egovernment.moa.id.auth.modules.sl20_auth.exceptions.SL20eIDDataValidationException;
+import at.gv.egovernment.moa.id.auth.modules.sl20_auth.sl20.SL20Constants;
+import at.gv.egovernment.moa.id.auth.modules.sl20_auth.sl20.verifier.QualifiedeIDVerifier;
+import at.gv.egovernment.moa.id.auth.parser.IdentityLinkAssertionParser;
+import at.gv.egovernment.moa.id.commons.api.data.IIdentityLink;
+import at.gv.egovernment.moa.id.commons.api.data.IVerifiyXMLSignatureResponse;
+import at.gv.egovernment.moa.id.commons.api.exceptions.MOAIDException;
+import at.gv.egovernment.moa.id.process.api.ExecutionContext;
+import at.gv.egovernment.moa.id.protocols.pvp2x.utils.AssertionAttributeExtractor;
+import at.gv.egovernment.moa.id.protocols.pvp2x.utils.SAML2Utils;
+import at.gv.egovernment.moa.util.Base64Utils;
+import at.gv.egovernment.moa.util.DOMUtils;
+import at.gv.egovernment.moa.util.DateTimeUtils;
+import at.gv.egovernment.moaspss.logging.Logger;
+
+
+@Component("VerifyQualifiedeIDTask")
+public class VerifyQualifiedeIDTask extends AbstractAuthServletTask {
+	
+	@Override
+	public void execute(ExecutionContext executionContext, HttpServletRequest request, HttpServletResponse response)
+			throws TaskExecutionException {
+		
+		Logger.debug("Verify qualified eID data from SL20 response .... ");
+		try {
+			//check if there was an error 
+			TaskExecutionException sl20Error = pendingReq.getGenericData(
+					Constants.PENDING_REQ_STORAGE_PREFIX + SL20Constants.SL20_COMMAND_IDENTIFIER_ERROR,
+					TaskExecutionException.class);			
+			if (sl20Error != null) {
+				Logger.info("Found SL2.0 error after redirect ... ");
+				throw sl20Error;
+				
+			}
+			
+			//get data from pending request
+			String sl20ReqId = pendingReq.getGenericData(
+					Constants.PENDING_REQ_STORAGE_PREFIX + SL20Constants.SL20_REQID, 
+					String.class);
+			String idlB64 =  pendingReq.getGenericData(
+					Constants.PENDING_REQ_STORAGE_PREFIX + SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_IDL,
+					String.class);
+			String authBlockB64 = pendingReq.getGenericData(
+					Constants.PENDING_REQ_STORAGE_PREFIX + SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_AUTHBLOCK, 
+					String.class);
+			String ccsURL = pendingReq.getGenericData(
+					Constants.PENDING_REQ_STORAGE_PREFIX + SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_CCSURL, 
+					String.class);
+			String LoA = pendingReq.getGenericData(
+					Constants.PENDING_REQ_STORAGE_PREFIX + SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_LOA, 
+					String.class);
+							
+			//parse eID data
+			IIdentityLink idl = new IdentityLinkAssertionParser(new ByteArrayInputStream(Base64Utils.decode(idlB64, false))).parseIdentityLink();
+			IVerifiyXMLSignatureResponse authBlockVerificationResult = null;
+			try {				
+				Assertion authBlock = parseAuthBlockToSaml2Assertion(authBlockB64);
+				AssertionAttributeExtractor authBlockExtractor = new AssertionAttributeExtractor(authBlock);
+
+			
+				//validate eID data			
+				QualifiedeIDVerifier.verifyIdentityLink(idl, pendingReq.getOnlineApplicationConfiguration(), authConfig);
+				authBlockVerificationResult = QualifiedeIDVerifier.verifyAuthBlock(
+							authBlockB64, pendingReq.getOnlineApplicationConfiguration(), authConfig);
+				QualifiedeIDVerifier.checkConsistencyOfeIDData(sl20ReqId, idl, authBlockExtractor, authBlockVerificationResult);
+			
+				//TODO: add LoA verification
+				
+			} catch (SL20eIDDataValidationException e) {
+				if (authConfig.getBasicMOAIDConfigurationBoolean(Constants.CONFIG_PROP_DISABLE_EID_VALIDATION, false)) {
+					Logger.warn("SL20 eID data validation IS DISABLED!!");
+					Logger.warn("SL20 eID data IS NOT VALID!!! Reason: " + e.getMessage(), e);
+					
+				} else
+					throw e;
+				
+			}
+							
+			//add into session
+			defaultTaskInitialization(request, executionContext);
+			moasession.setIdentityLink(idl);
+			moasession.setBkuURL(ccsURL);
+			//TODO: from AuthBlock
+			if (authBlockVerificationResult != null)
+				moasession.setIssueInstant(DateTimeUtils.buildDateTimeUTC(authBlockVerificationResult.getSigningDateTime()));
+			else
+				moasession.setIssueInstant(DateTimeUtils.buildDateTimeUTC(Calendar.getInstance()));
+			
+			moasession.setQAALevel(LoA);
+
+			//store pending request
+			requestStoreage.storePendingRequest(pendingReq);
+						
+		} catch (MOAIDException  e) {
+			Logger.warn("ERROR:", e);
+			throw new TaskExecutionException(pendingReq, "SL2.0 Authentication FAILED. Msg: " + e.getMessage(), e);
+			
+		} catch (Exception e) {
+			Logger.warn("ERROR:", e);
+			Logger.warn("SL2.0 Authentication FAILED with a generic error.", e);
+			throw new TaskExecutionException(pendingReq, e.getMessage(), e);
+			
+		} finally {				
+			TransactionIDUtils.removeTransactionId();
+			TransactionIDUtils.removeSessionId();
+			
+		}
+	}
+
+	private Assertion parseAuthBlockToSaml2Assertion(String authblockB64) throws SL20eIDDataValidationException {
+		try {
+			//parse authBlock into SAML2 Assertion
+			byte[] authBlockBytes = Base64Utils.decode(authblockB64, false);			
+			Element authBlockDOM = DOMUtils.parseXmlValidating(new ByteArrayInputStream(authBlockBytes));
+			UnmarshallerFactory unmarshallerFactory = Configuration.getUnmarshallerFactory();
+			Unmarshaller unmarshaller = unmarshallerFactory.getUnmarshaller(authBlockDOM);			 
+			XMLObject samlAssertion = unmarshaller.unmarshall(authBlockDOM);
+			
+			//validate SAML2 Assertion
+			SAML2Utils.schemeValidation(samlAssertion);
+			
+			if (samlAssertion instanceof Assertion)			
+				return (Assertion) samlAssertion;			
+			else 
+				throw new SL20eIDDataValidationException(
+						new Object[] {
+							SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_AUTHBLOCK,
+							"AuthBlock is NOT of type SAML2 Assertion"
+						});
+				
+		} catch (SL20eIDDataValidationException e) {
+			throw e;
+				
+		} catch (SAXException e) {
+			Logger.info("Scheme validation of SAML2 AuthBlock FAILED. Reason: " + e.getMessage());
+			throw new SL20eIDDataValidationException(
+					new Object[] {
+						SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_AUTHBLOCK,
+						e.getMessage()
+					}, 
+					e);
+			
+		} catch (Exception e) {
+			Logger.info("Can not parse AuthBlock. Reason: " + e.getMessage());
+			Logger.trace("FullAuthBlock: " + authblockB64);
+			throw new SL20eIDDataValidationException(
+					new Object[] {
+						SL20Constants.SL20_COMMAND_PARAM_EID_RESULT_AUTHBLOCK,
+						e.getMessage()
+					}, 
+					e);
+		
+		}
+						
+	}
+
+	
+	
+}