1 files changed, 169 insertions, 25 deletions

diff --git a/id/server/modules/moa-id-module-ehvd_integration/src/main/java/at/gv/egovernment/moa/id/auth/modules/ehvd/service/EhvdCommunicationService.java b/id/server/modules/moa-id-module-ehvd_integration/src/main/java/at/gv/egovernment/moa/id/auth/modules/ehvd/service/EhvdCommunicationService.java
index f0e2069a1..ab4a70751 100644
--- a/id/server/modules/moa-id-module-ehvd_integration/src/main/java/at/gv/egovernment/moa/id/auth/modules/ehvd/service/EhvdCommunicationService.java
+++ b/id/server/modules/moa-id-module-ehvd_integration/src/main/java/at/gv/egovernment/moa/id/auth/modules/ehvd/service/EhvdCommunicationService.java
@@ -1,69 +1,213 @@
 package at.gv.egovernment.moa.id.auth.modules.ehvd.service;
 
+import java.net.URL;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Map;
 
 import javax.annotation.Nonnull;
 import javax.annotation.PostConstruct;
+import javax.xml.ws.BindingProvider;
+import javax.xml.ws.handler.Handler;
+import javax.xml.ws.soap.SOAPFaultException;
 
+import org.apache.commons.lang3.StringUtils;
+import org.apache.cxf.endpoint.Client;
+import org.apache.cxf.frontend.ClientProxy;
+import org.apache.cxf.transport.http.HTTPConduit;
+import org.apache.cxf.transports.http.configuration.ProxyServerType;
 import org.springframework.beans.factory.annotation.Autowired;
 
+import at.gv.egiz.eaaf.core.api.data.PVPAttributeDefinitions;
 import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
 import at.gv.egiz.eaaf.core.api.idp.auth.data.IIdentityLink;
 import at.gv.egiz.eaaf.core.exceptions.EAAFBuilderException;
+import at.gv.egiz.eaaf.core.exceptions.EAAFConfigurationException;
 import at.gv.egiz.eaaf.core.impl.data.Pair;
 import at.gv.egiz.eaaf.core.impl.idp.auth.builder.BPKBuilder;
 import at.gv.egovernment.moa.id.auth.exception.AuthenticationException;
 import at.gv.egovernment.moa.id.auth.modules.ehvd.ConfigurationProperties;
+import at.gv.egovernment.moa.id.auth.modules.ehvd.client.wsdl.EHVD;
+import at.gv.egovernment.moa.id.auth.modules.ehvd.client.wsdl.EHVDService;
+import at.gv.egovernment.moa.id.auth.modules.ehvd.client.wsdl.GdaDescriptor;
+import at.gv.egovernment.moa.id.auth.modules.ehvd.client.wsdl.GdaIndexResponse;
+import at.gv.egovernment.moa.id.auth.modules.ehvd.client.wsdl.GetGdaDescriptors;
+import at.gv.egovernment.moa.id.auth.modules.ehvd.client.wsdl.InstanceIdentifier;
+import at.gv.egovernment.moa.id.auth.modules.ehvd.exception.EhvdException;
 import at.gv.egovernment.moa.logging.Logger;
+import at.gv.util.LoggingHandler;
 
 /**
  * Implement interaction with EHVD service to get GDA information.
- * 
+ *
  * @author tlenz
  *
  */
 public class EhvdCommunicationService implements IEhvdCommunication {
 
-  @Autowired IConfiguration config;
-  
+  private static final String GDA_RESP_STATUS_ACTIVE = "Aktiv";
+
+  private static final String ERROR_EHVD_00 = "ehvd.00";
+  private static final String ERROR_EHVD_01 = "ehvd.01";
+  private static final String ERROR_EHVD_02 = "ehvd.02";
+  private static final String ERROR_CONFIG_05 = "config.05";
+
+  @Autowired
+  IConfiguration config;
+
   private String ehvdBpkTarget;
-  
+
+  private EHVD ehvdClient;
+
   /**
    * Get user's GDA roles from EHVD Service.
-   * 
+   *
    * @param identityLink IdentityLink of the user
    * @return {@link List} of Roles that are received from EHVD
    * @throws AuthenticationException In case of an EHVD communication error
-   * @throws EAAFBuilderException  In case of a bPK generation error
+   * @throws EAAFBuilderException    In case of a bPK generation error
    */
   @Override
   @Nonnull
-  public List<String> getRoles(IIdentityLink identityLink) throws AuthenticationException, EAAFBuilderException {
-  
+  public List<String> getRoles(IIdentityLink identityLink) throws AuthenticationException,
+      EAAFBuilderException {
+
     // get bPK for EHVD request
-    Pair<String, String> ehvdBpk = BPKBuilder.generateAreaSpecificPersonIdentifier(
-        identityLink.getIdentificationValue(), 
-        identityLink.getIdentificationType(), 
+    final Pair<String, String> ehvdBpk = BPKBuilder.generateAreaSpecificPersonIdentifier(
+        identityLink.getIdentificationValue(),
+        identityLink.getIdentificationType(),
         ehvdBpkTarget);
-    
-    
-    //TODO: request EHVD and handle errors
-    
-    //TODO: parse roles from response
-    
-    
+
+    // request EHVD and handle errors
+    final GdaIndexResponse gdaResp = requestingGda(ehvdBpk.getFirst());
+
+    // parse roles from response
+    return parseGdaResponse(gdaResp);
+
+  }
+
+  @Nonnull
+  private GdaIndexResponse requestingGda(String bpk) throws EhvdException {
+    try {
+      final GetGdaDescriptors gdaReq = buildGdaRequest(bpk);
+      Logger.debug("Requesting EHVD to get GDA status ... ");
+      final GdaIndexResponse gdaResp = ehvdClient.getGDA(gdaReq);
+      Logger.debug("Receive GDA status. Starting response validation ... ");
+      return gdaResp;
+
+    } catch  (final SOAPFaultException e) {
+      // extract reason for this error 
+      String errorMsg = e.getFault() != null 
+          ? StringUtils.isNotEmpty(e.getFault().getFaultString()) ? e.getFault().getFaultString() : e.getMessage() 
+          : e.getMessage();
+      
+      Logger.warn("EHVD communication failed with SOAP response: " + errorMsg, e);      
+      throw new EhvdException(ERROR_EHVD_02, new Object[] {errorMsg}, e);
+      
+    } catch (final Exception e) {
+      Logger.error("EHVD communication failed with generic error: " + e.getMessage(), e);
+      throw new EhvdException(ERROR_EHVD_01, new Object[] {}, e);
+
+    }
+
+  }
+
+  private List<String> parseGdaResponse(GdaIndexResponse ehvdResp) throws EhvdException {
+    if (ehvdResp.getGda() != null) {
+      final GdaDescriptor gdaInfo = ehvdResp.getGda();
+      if (GDA_RESP_STATUS_ACTIVE.equals(gdaInfo.getStatus().getEhvdstatus())) {
+        Logger.debug("Find #" + gdaInfo.getRoles().getRole().size() + " roles");
+        return gdaInfo.getRoles().getRole();
+
+      } else {
+        Logger.info("GDA is marked as 'inactive'. Stopping process with an error ... ");
+        throw new EhvdException(ERROR_EHVD_00, null);
+
+      }
+
+    } else {
+      Logger.debug("Receive empty GDA response");
+      // TODO: what we to in case of empty response?
+
+    }
+
     return Collections.emptyList();
-    
+
+  }
+
+  private GetGdaDescriptors buildGdaRequest(String bPK) {
+    final GetGdaDescriptors req = new GetGdaDescriptors();
+    final InstanceIdentifier gdaIdentifier = new InstanceIdentifier();
+    gdaIdentifier.setOidIssuingAuthority(PVPAttributeDefinitions.BPK_OID);
+    gdaIdentifier.setId(bPK);
+    req.setHcIdentifier(gdaIdentifier);
+    return req;
+
   }
 
   @PostConstruct
-  private void initialize() {
-    ehvdBpkTarget = config.getBasicConfiguration(
-        ConfigurationProperties.PROP_MODULE_SERVICE_TARGET, 
-        ConfigurationProperties.DEFAULT_EHVD_SERVICE_TARGET);    
-    Logger.info("Initialize EHVD Client with bPK target: " + ehvdBpkTarget);
+  private void initialize() throws EAAFConfigurationException {
+    if (config.getBasicConfigurationBoolean(ConfigurationProperties.PROP_MODULE_ENABLED, false)) {
+      initializeEhvdClient();
+
+      ehvdBpkTarget = config.getBasicConfiguration(
+          ConfigurationProperties.PROP_MODULE_SERVICE_TARGET,
+          ConfigurationProperties.DEFAULT_EHVD_SERVICE_TARGET);
+      Logger.info("Set-up EHVD Client with bPK target: " + ehvdBpkTarget);
+
+    } else {
+      Logger.info("Skipping EHVD client because it's not active");
+
+    }
+  }
+
+  private void initializeEhvdClient() throws EAAFConfigurationException {
+    Logger.debug("Initializing EHVD client ... ");
+    final URL url = EhvdCommunicationService.class.getResource("/wsdl/eHVD.wsdl");
+    final EHVDService service = new EHVDService(url);
+    ehvdClient = service.getEHVDPort12();
+
+    // load service end-point URL from configuration
+    final String ehvdEndpointUrl = config.getBasicConfiguration(
+        ConfigurationProperties.PROP_MODULE_SERVICE_ENDPOINT);
+    if (StringUtils.isEmpty(ehvdEndpointUrl)) {
+      Logger.error("Missing configuration for EHVD WebService endpoint. "
+          + "(Property: " + ConfigurationProperties.PROP_MODULE_SERVICE_ENDPOINT + ")");
+      throw new EAAFConfigurationException(ERROR_CONFIG_05,
+          new Object[] { ConfigurationProperties.PROP_MODULE_SERVICE_ENDPOINT });
+
+    }
+
+    // inject service end-point URL
+    final Map<String, Object> requestContext = ((BindingProvider) ehvdClient).getRequestContext();
+    requestContext.put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, ehvdEndpointUrl);
+
+    // inject Logging handler
+    List<Handler> handlerList = ((BindingProvider) ehvdClient).getBinding().getHandlerChain();
+    if (handlerList == null) {
+      handlerList = new ArrayList<>();
+
+    }
+
+    handlerList.add(new LoggingHandler());
+    ((BindingProvider) ehvdClient).getBinding().setHandlerChain(handlerList);
+
+    Logger.info("Initialize EHVD Client with service end-point: " + ehvdEndpointUrl);
+
+
+    // these code is only for local testing
+    String socksPort = config.getBasicConfiguration(ConfigurationProperties.PROP_MODULE_PROXY_SOCKS_PORT);
+    if (StringUtils.isNotEmpty(socksPort)) {
+      Logger.warn("Injecting SOCKS5 Proxy for service communication!");
+      final Client client = ClientProxy.getClient(ehvdClient);
+      final HTTPConduit http = (HTTPConduit) client.getConduit();
+      http.getClient().setProxyServerType(ProxyServerType.SOCKS);
+      http.getClient().setProxyServer("127.0.0.1");
+      http.getClient().setProxyServerPort(Integer.valueOf(socksPort));
+      
+    }
     
   }
-     
+
 }