add code for eID4U attribute collection

5 files changed, 433 insertions, 64 deletions

diff --git a/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/eID4UAPSignalServlet.java b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/eID4UAPSignalServlet.java
new file mode 100644
index 000000000..c8c65ce76
--- /dev/null
+++ b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/eID4UAPSignalServlet.java
@@ -0,0 +1,61 @@
+package at.gv.egovernment.moa.id.auth.modules.eidas;
+
+import java.io.IOException;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import at.gv.egiz.eaaf.core.impl.idp.controller.AbstractProcessEngineSignalController;
+import at.gv.egovernment.moa.id.protocols.oauth20.OAuth20Constants;
+import at.gv.egovernment.moa.id.util.CookieUtils;
+import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.MiscUtil;
+
+@Controller
+public class eID4UAPSignalServlet extends AbstractProcessEngineSignalController {
+
+	public eID4UAPSignalServlet() {
+		Logger.debug("Registering servlet " + getClass().getName() + 
+				" with mappings '"+ eID4UConstants.HTTP_ENDPOINT_AP_CONSENT_RETURN + "'.");
+		
+	}
+	
+	@RequestMapping(value = {eID4UConstants.HTTP_ENDPOINT_AP_CONSENT_RETURN }, 
+					method = {RequestMethod.POST, RequestMethod.GET})
+	public void performCitizenCardAuthentication(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+		signalProcessManagement(req, resp);
+	}
+
+	@Override
+	/**
+	 * Protocol specific implementation to get the pending-requestID 
+	 * from http request object
+	 * 
+	 * @param request The http Servlet-Request object
+	 * @return The Pending-request id 
+	 * 	
+	 */
+	public String getPendingRequestId(HttpServletRequest request) {
+		String pendigReqId = super.getPendingRequestId(request);
+		
+		if (MiscUtil.isEmpty(pendigReqId)) {
+			Logger.trace("No 'pendingReqID', seach for 'state' parameter in eID4U use-case ... ");			
+			pendigReqId = request.getParameter(OAuth20Constants.PARAM_STATE);			
+			if (MiscUtil.isEmpty(pendigReqId)) {						
+				Logger.trace("No 'pendingReqID', seach HTTP-Cookie in eID4U use-case ... ");
+				pendigReqId = CookieUtils.getValueFromCookie(request, eID4UConstants.HTTP_TRANSACTION_COOKIE_NAME);
+				if (MiscUtil.isEmpty(pendigReqId))
+					Logger.info("NO eID4U cookie or 'state' parameter with pendingReqId.");
+				
+			}
+		}
+		
+		return pendigReqId;
+		
+	}
+	
+}
diff --git a/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/eID4UConstants.java b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/eID4UConstants.java
new file mode 100644
index 000000000..45eb161d3
--- /dev/null
+++ b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/eID4UConstants.java
@@ -0,0 +1,25 @@
+package at.gv.egovernment.moa.id.auth.modules.eidas;
+
+public class eID4UConstants {
+	
+	//configuration parameter
+	public static final String CONFIG_PROPS_AP_CONSENT_ENTITYID = "moa.id.protocols.eIDAS.eID4U.AP.consent.entityID";
+	public static final String CONFIG_PROPS_AP_CONSENT_URL = "moa.id.protocols.eIDAS.eID4U.AP.consent.url";		
+	public static final String CONFIG_PROPS_AP_SCOPES = "moa.id.protocols.eIDAS.eID4U.AP.scopes.full";		
+	public static final String CONFIG_PROPS_AP_AUTHTOKENSERVICE_URL = "moa.id.protocols.eIDAS.eID4U.AP.authtokenservice.url";
+	public static final String CONFIG_PROPS_AP_AUTHTOKENSERVICE_PARAM_GRANTTYPE = "moa.id.protocols.eIDAS.eID4U.AP.authtokenservice.param.granttype";
+	public static final String CONFIG_PROPS_AP_AUTHTOKENSERVICE_USERNAME = "moa.id.protocols.eIDAS.eID4U.AP.authtokenservice.username";
+	public static final String CONFIG_PROPS_AP_AUTHTOKENSERVICE_PASSWORD = "moa.id.protocols.eIDAS.eID4U.AP.authtokenservice.password";
+	public static final String CONFIG_PROPS_AP_DATASERVICE_URL = "moa.id.protocols.eIDAS.eID4U.AP.dataservice.url";
+	
+	//session parameter
+	public static final String HTTP_TRANSACTION_COOKIE_NAME = "eID4APTransactionId";
+	public static final String HTTP_ENDPOINT_AP_CONSENT_RETURN = "/eidas/eid4u/resume";
+	
+	//process context
+	public static final String PROCESS_CONTEXT_FLAG_EID4U_AP_ACCESS = "collecteID4UAttr";
+	public static final String PROCESS_CONTEXT_USERS_BPK_EID4U_ATTRPROVIDER = "eID4UAttrProvbPK";
+	
+	
+	
+}
diff --git a/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/exceptions/eID4UAPException.java b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/exceptions/eID4UAPException.java
new file mode 100644
index 000000000..b7a9fcba9
--- /dev/null
+++ b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/exceptions/eID4UAPException.java
@@ -0,0 +1,32 @@
+package at.gv.egovernment.moa.id.auth.modules.eidas.exceptions;
+
+import org.opensaml.saml2.core.StatusCode;
+
+public class eID4UAPException extends EIDASException {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+
+	public eID4UAPException(String messageId, Object[] parameters) {
+		super(messageId, parameters);
+	}
+
+	public eID4UAPException(String messageId, Object[] parameters, Throwable e) {
+		super(messageId, parameters, e);
+	}
+	
+	@Override
+	public String getStatusCodeFirstLevel() {
+		return StatusCode.RESPONDER_URI;
+		
+	}
+
+	@Override
+	public String getStatusCodeSecondLevel() {
+		return StatusCode.AUTHN_FAILED_URI;
+		
+	}
+
+}
diff --git a/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/tasks/CollectAddtionalAttributesTask.java b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/tasks/CollectAddtionalAttributesTask.java
index 7cd276043..9d9d44b34 100644
--- a/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/tasks/CollectAddtionalAttributesTask.java
+++ b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/tasks/CollectAddtionalAttributesTask.java
@@ -11,23 +11,26 @@ import org.springframework.stereotype.Component;
 import at.gv.egiz.eaaf.core.api.idp.IAuthData;
 import at.gv.egiz.eaaf.core.api.idp.process.ExecutionContext;
 import at.gv.egiz.eaaf.core.api.storage.ITransactionStorage;
-import at.gv.egiz.eaaf.core.exceptions.EAAFStorageException;
 import at.gv.egiz.eaaf.core.exceptions.TaskExecutionException;
 import at.gv.egiz.eaaf.core.impl.idp.auth.modules.AbstractAuthServletTask;
+import at.gv.egiz.eaaf.core.impl.idp.builder.attributes.BPKAttributeBuilder;
 import at.gv.egiz.eaaf.core.impl.utils.Random;
 import at.gv.egiz.eid4u.api.attributes.Definitions;
-import at.gv.egiz.eid4u.api.attributes.natural.IdType;
-import at.gv.egiz.eid4u.api.attributes.natural.MaritalState;
 import at.gv.egovernment.moa.id.auth.builder.AuthenticationDataBuilder;
 import at.gv.egovernment.moa.id.auth.data.AuthenticationSessionWrapper;
+import at.gv.egovernment.moa.id.auth.modules.eidas.eID4UConstants;
+import at.gv.egovernment.moa.id.auth.modules.eidas.utils.SimpleEidasAttributeGenerator;
 import at.gv.egovernment.moa.id.protocols.eidas.EIDASData;
+import at.gv.egovernment.moa.id.protocols.oauth20.OAuth20Constants;
 import at.gv.egovernment.moa.id.protocols.oauth20.OAuth20SessionObject;
 import at.gv.egovernment.moa.id.protocols.oauth20.protocol.OAuth20AuthAction;
 import at.gv.egovernment.moa.id.protocols.oauth20.protocol.OAuth20AuthRequest;
+import at.gv.egovernment.moa.id.protocols.oauth20.protocol.OAuth20Protocol;
+import at.gv.egovernment.moa.id.util.CookieUtils;
 import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.MiscUtil;
 import eu.eidas.auth.commons.attribute.ImmutableAttributeMap;
 import eu.eidas.auth.commons.attribute.ImmutableAttributeMap.Builder;
-import eu.eidas.auth.commons.protocol.eidas.impl.PostalAddress;
 
 @Component("CollectAddtionalAttributesTask")
 public class CollectAddtionalAttributesTask extends AbstractAuthServletTask {
@@ -40,6 +43,8 @@ public class CollectAddtionalAttributesTask extends AbstractAuthServletTask {
 	public void execute(ExecutionContext context, HttpServletRequest httpReq, HttpServletResponse httpResp)
 			throws TaskExecutionException {
 		try{
+			context.put(eID4UConstants.PROCESS_CONTEXT_FLAG_EID4U_AP_ACCESS, false);
+			
 			if (pendingReq instanceof EIDASData) {
 				EIDASData eidasReq = (EIDASData) pendingReq;
 				Logger.debug("Find eIDAS Auth. Req. Check if eID4U attributes are requested ...");
@@ -59,12 +64,26 @@ public class CollectAddtionalAttributesTask extends AbstractAuthServletTask {
 				ImmutableAttributeMap reqEid4uAttrList = reqEid4uAttrListBuilder.build();
 				if (reqEid4uAttrList != null && reqEid4uAttrList.size() > 0) {
 					Logger.info("Starting eID4U attribute collection process ... ");
-
-					//generate scope from attributes
-
-										
+				
+					//mark execution context with eID4U AP flag
+					context.put(eID4UConstants.PROCESS_CONTEXT_FLAG_EID4U_AP_ACCESS, true);
+					
 					//load connection parameters to TUG
-					String uniqueID = null;
+					String uniqueID = authConfig.getBasicConfiguration(eID4UConstants.CONFIG_PROPS_AP_CONSENT_ENTITYID);
+					String redirectURI = authConfig.getBasicConfiguration(eID4UConstants.CONFIG_PROPS_AP_CONSENT_URL);
+					String scopes = authConfig.getBasicConfiguration(eID4UConstants.CONFIG_PROPS_AP_SCOPES);
+					
+					if (MiscUtil.isEmpty(scopes)) {
+						//generate scope from attributes
+						//TODO extract 'scopes' from requested attributes
+						Logger.warn("Dynamic 'scope' generation is currently NOT supported");
+						
+					}					
+					
+					Logger.debug("Load eID4U AP-Config:"
+							+ " EntityID: " + uniqueID
+							+ " RedirectURL:" + redirectURI
+							+ " Scopes: " + scopes);
 					
 					
 					/*
@@ -72,10 +91,13 @@ public class CollectAddtionalAttributesTask extends AbstractAuthServletTask {
 					*/
 					
 					//generate fake OpenID_Connect request
-					OAuth20AuthRequest fakeOpenIDReq = new OAuth20AuthRequest();					
+					OAuth20AuthRequest fakeOpenIDReq = new OAuth20AuthRequest();
+					fakeOpenIDReq.initialize(httpReq, authConfig);
+					fakeOpenIDReq.setSPEntityId(uniqueID);
+					fakeOpenIDReq.setModule(OAuth20Protocol.NAME);
 					fakeOpenIDReq.setOnlineApplicationConfiguration(authConfig.getServiceProviderConfiguration(uniqueID));
 					fakeOpenIDReq.setScope("openId profile");
-					
+										
 					//populate with SessionData
 					fakeOpenIDReq.setRawDataToTransaction(
 							pendingReq.getSessionData(AuthenticationSessionWrapper.class)
@@ -92,14 +114,33 @@ public class CollectAddtionalAttributesTask extends AbstractAuthServletTask {
 					Map<String, Object> idToken = openIDAuthAction.generateIDToken(o, fakeOpenIDReq, authData, accessToken);
 					o.setAuthDataSession(idToken);
 					transactionStorage.put(accessToken, o, -1);
-					
-					
+										
 					//forward to TUG
-
-					
-					//TODO: implement collection process
-					populateEid4uDummyAttributes();
+					httpResp.setStatus(HttpServletResponse.SC_FOUND);					
+					redirectURI = addURLParameter(redirectURI, OAuth20Constants.PARAM_OPENID_CODE, accessToken);
+					redirectURI = addURLParameter(redirectURI, OAuth20Constants.PARAM_SCOPE, scopes);
+					redirectURI = addURLParameter(redirectURI, OAuth20Constants.PARAM_STATE, 
+							pendingReq.getPendingRequestId());
+					redirectURI = addURLParameter(redirectURI, OAuth20Constants.PARAM_REDIRECT_URI, 
+							pendingReq.getAuthURL() + eID4UConstants.HTTP_ENDPOINT_AP_CONSENT_RETURN);
+															
+					final String finalUrl = redirectURI;
+					httpResp.addHeader("Location", finalUrl);
+					Logger.debug("REDIRECT TO: " + finalUrl.toString());
 					
+					//set session cookie, because eID4U AP from TUG maybe not support pendingReqIds on request level
+					CookieUtils.setCookie(httpReq, httpResp, 
+							eID4UConstants.HTTP_TRANSACTION_COOKIE_NAME, 
+							pendingReq.getPendingRequestId(), -1);
+
+					//set user's bPK into pendingRequst because TUG AttributeProvider needs it
+					pendingReq.setRawDataToTransaction(
+							eID4UConstants.PROCESS_CONTEXT_USERS_BPK_EID4U_ATTRPROVIDER, 
+							new BPKAttributeBuilder().build(
+									fakeOpenIDReq.getServiceProviderConfiguration(), 
+									authData, 
+									new SimpleEidasAttributeGenerator()));
+					requestStoreage.storePendingRequest(pendingReq);
 					
 				} else
 					Logger.debug("No eID4U attributes found. Skip eID4U attribute collection");
@@ -108,54 +149,9 @@ public class CollectAddtionalAttributesTask extends AbstractAuthServletTask {
 				Logger.debug("No eIDAS Request found. Skip eID4U attribute collection");
 			
 		} catch (Exception e) {
-			Logger.error("IdentityLink generation for foreign person FAILED.", e);
-			throw new TaskExecutionException(pendingReq, "IdentityLink generation for foreign person FAILED.", e);
-			
-		}
-		
-	}
-
-	private void populateEid4uDummyAttributes() {
-		try {
-			eu.eidas.auth.commons.protocol.eidas.impl.PostalAddress.Builder dummyAddr = PostalAddress.builder();
-			dummyAddr.postCode("8020");
-			dummyAddr.postName("Graz");
-			dummyAddr.addressId("25");
-			dummyAddr.cvAddressArea("Mustergasse");
-			dummyAddr.locatorDesignator("25");
-			dummyAddr.thoroughfare("Mustergasse"); 
-
-			AuthenticationSessionWrapper session = pendingReq.getSessionData(AuthenticationSessionWrapper.class);
-			session.setGenericDataToSession(Definitions.IDTYPE_NAME, IdType.PASSPORT);
-			session.setGenericDataToSession(Definitions.IDNUMBER_NAME, "P0571414");
-			session.setGenericDataToSession(Definitions.IDISSUER_NAME, "Magistrat Nirgendwo");
-			session.setGenericDataToSession(Definitions.IDEXPIREDATE_NAME, "2020-01-01");
-			session.setGenericDataToSession(Definitions.EHICID_NAME, "80010000012345678990");
-			session.setGenericDataToSession(Definitions.NATIONALITY_NAME, "AT");
-			session.setGenericDataToSession(Definitions.CITIZENSHIP_FRIENDLYNAME, "AT");
-			session.setGenericDataToSession(Definitions.MARITALSTATE_NAME, MaritalState.SINGLE);
-			session.setGenericDataToSession(Definitions.COUNTRYOFBIRTH_NAME, "AT");
-			session.setGenericDataToSession(Definitions.EMAIL_NAME, "max.mustermann@domain.at");
-			session.setGenericDataToSession(Definitions.PHONE_NAME, "+43666111222444");
-			session.setGenericDataToSession(Definitions.TEMPORARYADDRESS_NAME, dummyAddr.build());
-			session.setGenericDataToSession(Definitions.TAXIDENTIFICATIONNUMBER_NAME, "AT/1213454654718");
-			session.setGenericDataToSession(Definitions.HOMEINSTITUTIONNAME_NAME, "Graz Technical University");
-			session.setGenericDataToSession(Definitions.HOMEINSTITUTIONIDENTIFIER_NAME, "A GRAZ02");
-			session.setGenericDataToSession(Definitions.HOMEINSTITUTIONCOUNTRY_NAME, "AT");
-			session.setGenericDataToSession(Definitions.HOMEINSTITUTIONADDRESS_NAME, dummyAddr.build());
-			session.setGenericDataToSession(Definitions.CURRENTLEVELOFSTUDY_NAME, "7");
-			session.setGenericDataToSession(Definitions.FIELDOFSTUDY_NAME, "52");
-			session.setGenericDataToSession(Definitions.CURRENTDEGREE_NAME, "MsC");
-			session.setGenericDataToSession(Definitions.DEGREE_NAME, "6");
-			session.setGenericDataToSession(Definitions.DEGREEAWARDINGINSTITUTION_NAME, "Graz Technical University");
-			session.setGenericDataToSession(Definitions.GRADUATIONYEAR_NAME, "2016");
-			session.setGenericDataToSession(Definitions.DEGREECOUNTRY_NAME, "AT");
-			
-			//TODO: not all attributes are populated with dummy values
+			Logger.error("eID4U AttributeProvider communication FAILED.", e);
+			throw new TaskExecutionException(pendingReq, "eID4U AttributeProvider communication FAILED", e);
 			
-		} catch (EAAFStorageException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
 		}
 		
 	}
diff --git a/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/tasks/ReceiveConsentForAddtionalAttributesTask.java b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/tasks/ReceiveConsentForAddtionalAttributesTask.java
new file mode 100644
index 000000000..3f1e999ca
--- /dev/null
+++ b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/tasks/ReceiveConsentForAddtionalAttributesTask.java
@@ -0,0 +1,255 @@
+package at.gv.egovernment.moa.id.auth.modules.eidas.tasks;
+
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+import javax.net.ssl.SSLSocketFactory;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.http.Header;
+import org.apache.http.HttpHeaders;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.protocol.HttpClientContext;
+import org.apache.http.client.utils.URIBuilder;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import at.gv.egiz.eaaf.core.api.idp.process.ExecutionContext;
+import at.gv.egiz.eaaf.core.exceptions.EAAFStorageException;
+import at.gv.egiz.eaaf.core.exceptions.TaskExecutionException;
+import at.gv.egiz.eaaf.core.impl.idp.auth.modules.AbstractAuthServletTask;
+import at.gv.egiz.eid4u.api.attributes.Definitions;
+import at.gv.egiz.eid4u.api.attributes.natural.IdType;
+import at.gv.egovernment.moa.id.auth.data.AuthenticationSessionWrapper;
+import at.gv.egovernment.moa.id.auth.modules.eidas.eID4UConstants;
+import at.gv.egovernment.moa.id.auth.modules.eidas.exceptions.eID4UAPException;
+import at.gv.egovernment.moa.id.commons.api.AuthConfiguration;
+import at.gv.egovernment.moa.id.commons.utils.HttpClientWithProxySupport;
+import at.gv.egovernment.moa.id.protocols.eidas.EIDASData;
+import at.gv.egovernment.moa.id.protocols.oauth20.OAuth20Constants;
+import at.gv.egovernment.moa.id.util.CookieUtils;
+import at.gv.egovernment.moa.id.util.SSLUtils;
+import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.MiscUtil;
+import eu.eidas.auth.commons.protocol.eidas.impl.PostalAddress;
+
+@Component("ReceiveConsentForAddtionalAttributesTask")
+public class ReceiveConsentForAddtionalAttributesTask extends AbstractAuthServletTask {
+
+	@Autowired private AuthConfiguration moaAuthConfig;
+	
+	@Override
+	public void execute(ExecutionContext context, HttpServletRequest httpReq, HttpServletResponse httpResp)
+			throws TaskExecutionException {
+		try{
+			if (pendingReq instanceof EIDASData) {
+				EIDASData eidasReq = (EIDASData) pendingReq;
+			
+				//delete eID4U http Cookie with pendingRequestId 
+				CookieUtils.deleteCookie(httpReq, httpResp, eID4UConstants.HTTP_TRANSACTION_COOKIE_NAME);
+				
+				String authCode = httpReq.getParameter(OAuth20Constants.RESPONSE_CODE);	
+				if (MiscUtil.isEmpty(authCode)) {
+					Logger.info("Find NO OAuth2 authCode as http parameter 'code'. eID4U AP process stopping ... ");
+					throw new eID4UAPException("NO OAuth2 'authCode' to access AP", null);
+					
+				}				
+				Logger.trace("Find OAuth2 'code' with: " + authCode);
+					
+				/*
+				 * access backend service with authCode
+				 * 
+				 */
+				String tokenServiceURL = authConfig.getBasicConfiguration(eID4UConstants.CONFIG_PROPS_AP_AUTHTOKENSERVICE_URL);
+				String tokenServiceUsername = authConfig.getBasicConfiguration(eID4UConstants.CONFIG_PROPS_AP_AUTHTOKENSERVICE_USERNAME);
+				String tokenServicePassword = authConfig.getBasicConfiguration(eID4UConstants.CONFIG_PROPS_AP_AUTHTOKENSERVICE_PASSWORD);
+				
+				if (MiscUtil.isEmpty(tokenServiceURL)) {
+					Logger.info("NO TokenService URL in configuration for eID4U AP. ");
+					throw new eID4UAPException("NO TokenService URL in configuration for eID4U AP.", null);
+					
+				}
+					
+				//open http client
+				SSLSocketFactory sslFactory = SSLUtils.getSSLSocketFactory(
+						moaAuthConfig,
+						tokenServiceURL);
+				CloseableHttpClient httpClient = HttpClientWithProxySupport.getHttpClient(
+						sslFactory,
+						authConfig.getBasicMOAIDConfigurationBoolean(AuthConfiguration.PROP_KEY_OVS_SSL_HOSTNAME_VALIDATION, true));
+								
+				//build request URL
+				URIBuilder uriBuilderToken = new URIBuilder(tokenServiceURL);
+				uriBuilderToken.addParameter(OAuth20Constants.PARAM_GRANT_TYPE, 
+						authConfig.getBasicConfiguration(
+								eID4UConstants.CONFIG_PROPS_AP_AUTHTOKENSERVICE_PARAM_GRANTTYPE, 
+								OAuth20Constants.PARAM_GRANT_TYPE_VALUE_AUTHORIZATION_CODE));
+				uriBuilderToken.addParameter(OAuth20Constants.RESPONSE_CODE, authCode);
+				Logger.trace("Full eID4U Token-Service request URL: " + uriBuilderToken.build());
+				
+				HttpGet httpGetToken = new HttpGet(uriBuilderToken.build());
+				
+				HttpClientContext localContext = HttpClientContext.create();
+				if (MiscUtil.isNotEmpty(tokenServiceUsername)) {										
+					Logger.debug("Find AuthCredentials for eID4U AP. Injecting credentials ... ");
+
+					//Raw work-around, because API solution does not work well
+					String auth = tokenServiceUsername.trim() + ":" + tokenServicePassword.trim();
+					byte[] encodedAuth = Base64.getEncoder().encode(auth.getBytes(StandardCharsets.ISO_8859_1));
+					String authHeader = "Basic " + new String(encodedAuth);
+					httpGetToken.setHeader(HttpHeaders.AUTHORIZATION, authHeader);
+					
+					//API solutuion
+//					HttpHost targetHost = new HttpHost(uriBuilderToken.build().toString());					
+//					AuthCache authCache = new BasicAuthCache();
+//					authCache.put(targetHost, new BasicScheme());
+//					
+//					CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
+//					credentialsProvider.setCredentials(AuthScope.ANY, 
+//							new UsernamePasswordCredentials(tokenServiceUsername.trim(), tokenServicePassword.trim()));					
+//					localContext.setCredentialsProvider(credentialsProvider);
+//					localContext.setAuthCache(authCache);
+					
+				}
+				
+				//request tokenService
+				HttpResponse httpResultToken = httpClient.execute(httpGetToken, localContext);
+
+				Logger.trace("Receive http StatusCode: " + httpResultToken.getStatusLine().getStatusCode() 
+						+ " from eID4U AP TokenService");								
+								
+				if (Logger.isTraceEnabled()) {
+					for (Header el : httpResultToken.getAllHeaders())
+						Logger.trace("Headername:" + el.getName() + " Value:" + el.getValue());
+				}
+
+				if (httpResultToken.getStatusLine().getStatusCode() != 200) {
+					Logger.info("eID4U AP TokenService anwser with StatusCode:" + httpResultToken.getStatusLine().getStatusCode()
+							+ " eID4U AP process stopping ... ");
+					throw new eID4UAPException("eID4U AP TokenService return statusCode: " + httpResultToken.getStatusLine().getStatusCode(), null);
+					
+				}
+				
+				//parse AccessToken from TokenService response
+				JsonElement fullToken = new JsonParser().parse(
+						new InputStreamReader(httpResultToken.getEntity().getContent()));
+				Logger.trace("FullToken: " + fullToken.toString());
+				String accessToken = fullToken.getAsJsonObject().get(OAuth20Constants.RESPONSE_ACCESS_TOKEN).getAsString();
+				
+								
+				//call Attribute Provider to receice eID4U attributes from TUG
+				String attrProviderServiceURL = authConfig.getBasicConfiguration(eID4UConstants.CONFIG_PROPS_AP_DATASERVICE_URL);				
+				if (MiscUtil.isEmpty(attrProviderServiceURL)) {
+					Logger.info("NO Attr.Provider Service URL in configuration for eID4U AP. ");
+					throw new eID4UAPException("NO Attr.Provider URL in configuration for eID4U AP.", null);
+					
+				}
+				
+				
+				URIBuilder uriBuilderAttrProv = new URIBuilder(attrProviderServiceURL);
+				HttpGet httpGetData = new HttpGet(uriBuilderAttrProv.build());
+				
+				//encode and add token as header
+				String authHeader = "Bearer " + accessToken;
+				httpGetData.setHeader(HttpHeaders.AUTHORIZATION, authHeader);
+				
+				//get and add bPK as header
+				httpGetData.setHeader(
+						"X-PVP-BPK", 
+						pendingReq.getRawData(eID4UConstants.PROCESS_CONTEXT_USERS_BPK_EID4U_ATTRPROVIDER, String.class));
+				
+				//request Attribute Provider
+				HttpResponse httpResultData = httpClient.execute(httpGetData);
+
+				//parse response
+				Logger.trace("Receive http StatusCode: " + httpResultData.getStatusLine().getStatusCode() 
+						+ " from eID4U Attr.Provider Service");								
+								
+				if (Logger.isTraceEnabled()) {
+					for (Header el : httpResultData.getAllHeaders())
+						Logger.trace("Headername:" + el.getName() + " Value:" + el.getValue());
+				}
+
+				if (httpResultData.getStatusLine().getStatusCode() != 200) {
+					Logger.info("eID4U Attr.Provider Service anwser with StatusCode:" + httpResultData.getStatusLine().getStatusCode()
+							+ " eID4U AP process stopping ... ");
+					throw new eID4UAPException("eID4U Attr.Provider Service return statusCode: " + httpResultData.getStatusLine().getStatusCode(), null);
+					
+				}
+				
+				
+				//parse eID4U attributes from Attr.Provider service response
+				JsonElement fullAttrSet = new JsonParser().parse(
+						new InputStreamReader(httpResultData.getEntity().getContent()));
+				Logger.trace("FullAttrSet: " + fullAttrSet.toString());
+				
+				
+				//TODO: implement collection process
+				populateEid4uDummyAttributes(fullAttrSet.getAsJsonObject());
+					
+								
+			} else
+				Logger.debug("No eIDAS Request found. Skip eID4U attribute collection");
+			
+		} catch (Exception e) {
+			Logger.error("IdentityLink generation for foreign person FAILED.", e);
+			throw new TaskExecutionException(pendingReq, "IdentityLink generation for foreign person FAILED.", e);
+			
+		}
+		
+	}
+
+	private void populateEid4uDummyAttributes(JsonObject jsonObject) {
+		try {
+			eu.eidas.auth.commons.protocol.eidas.impl.PostalAddress.Builder dummyAddr = PostalAddress.builder();
+			dummyAddr.postCode("8020");
+			dummyAddr.postName("Graz");
+			dummyAddr.addressId("25");
+			dummyAddr.cvAddressArea("Mustergasse");
+			dummyAddr.locatorDesignator("25");
+			dummyAddr.thoroughfare("Mustergasse"); 
+
+			AuthenticationSessionWrapper session = pendingReq.getSessionData(AuthenticationSessionWrapper.class);
+			session.setGenericDataToSession(Definitions.IDTYPE_NAME, IdType.PASSPORT);
+			session.setGenericDataToSession(Definitions.IDNUMBER_NAME, "P0571414");
+//			session.setGenericDataToSession(Definitions.IDISSUER_NAME, "Magistrat Nirgendwo");
+//			session.setGenericDataToSession(Definitions.IDEXPIREDATE_NAME, "2020-01-01");
+//			//session.setGenericDataToSession(Definitions.EHICID_NAME, "80010000012345678990");
+//			session.setGenericDataToSession(Definitions.NATIONALITY_NAME, "AT");
+//			session.setGenericDataToSession(Definitions.CITIZENSHIP_FRIENDLYNAME, "AT");
+//			session.setGenericDataToSession(Definitions.MARITALSTATE_NAME, MaritalState.SINGLE);
+//			session.setGenericDataToSession(Definitions.COUNTRYOFBIRTH_NAME, "AT");
+			session.setGenericDataToSession(Definitions.EMAIL_NAME, jsonObject.get("email").getAsString());
+//			session.setGenericDataToSession(Definitions.PHONE_NAME, "+43666111222444");
+//			session.setGenericDataToSession(Definitions.TEMPORARYADDRESS_NAME, dummyAddr.build());
+			//session.setGenericDataToSession(Definitions.TAXIDENTIFICATIONNUMBER_NAME, "AT/1213454654718");
+//			session.setGenericDataToSession(Definitions.HOMEINSTITUTIONNAME_NAME, "Graz Technical University");
+//			session.setGenericDataToSession(Definitions.HOMEINSTITUTIONIDENTIFIER_NAME, "A GRAZ02");
+//			session.setGenericDataToSession(Definitions.HOMEINSTITUTIONCOUNTRY_NAME, "AT");
+//			session.setGenericDataToSession(Definitions.HOMEINSTITUTIONADDRESS_NAME, dummyAddr.build());
+//			session.setGenericDataToSession(Definitions.CURRENTLEVELOFSTUDY_NAME, "7");
+//			session.setGenericDataToSession(Definitions.FIELDOFSTUDY_NAME, "52");
+			//session.setGenericDataToSession(Definitions.CURRENTDEGREE_NAME, "MsC");
+//			session.setGenericDataToSession(Definitions.DEGREE_NAME, "6");
+//			session.setGenericDataToSession(Definitions.DEGREEAWARDINGINSTITUTION_NAME, "Graz Technical University");
+//			session.setGenericDataToSession(Definitions.GRADUATIONYEAR_NAME, "2016");
+//			session.setGenericDataToSession(Definitions.DEGREECOUNTRY_NAME, "AT");
+			
+			//TODO: not all attributes are populated with dummy values
+			
+		} catch (EAAFStorageException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		
+	}
+
+}