update process-engine support HTTP POST and GET error forwarting.

This is needed for processes in IFrames

4 files changed, 74 insertions, 35 deletions

diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/services/ProtocolAuthenticationService.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/services/ProtocolAuthenticationService.java
index 4c82adac..5f84d118 100644
--- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/services/ProtocolAuthenticationService.java
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/auth/services/ProtocolAuthenticationService.java
@@ -69,9 +69,12 @@ import at.gv.egiz.eaaf.core.exceptions.GuiBuildException;
 import at.gv.egiz.eaaf.core.exceptions.InvalidProtocolRequestException;
 import at.gv.egiz.eaaf.core.exceptions.ProcessExecutionException;
 import at.gv.egiz.eaaf.core.exceptions.ProtocolNotActiveException;
+import at.gv.egiz.eaaf.core.impl.data.Pair;
 import at.gv.egiz.eaaf.core.impl.gui.AbstractGuiFormBuilderConfiguration;
 import at.gv.egiz.eaaf.core.impl.http.HttpUtils;
+import at.gv.egiz.eaaf.core.impl.idp.controller.ProtocolFinalizationController;
 import at.gv.egiz.eaaf.core.impl.idp.controller.protocols.RequestImpl;
+import at.gv.egiz.eaaf.core.impl.utils.ServletUtils;
 
 @Service
 public class ProtocolAuthenticationService implements IProtocolAuthenticationService {
@@ -289,6 +292,46 @@ public class ProtocolAuthenticationService implements IProtocolAuthenticationSer
 
   }
 
+  @Override
+  public void forwardToErrorHandler(Pair<IRequest, Throwable> errorToHandle, String errorKey,
+      final HttpServletRequest req, final HttpServletResponse resp) throws GuiBuildException {
+    IGuiBuilderConfiguration parentHopGuiConfig = 
+        evaluateRequiredErrorHandlingMethod(errorToHandle.getFirst(), errorKey);
+    if (parentHopGuiConfig != null) {
+      log.trace("iFrame to parent hop requested. Building GUI step for error handling ... ");
+      guiBuilder.build(req, resp, parentHopGuiConfig, "iFrame-to-parent");
+      
+    } else {      
+      // build up redirect URL
+      final String redirectUrl = generateErrorRedirectUrl(req, errorKey);
+      resp.setContentType("text/html");
+      resp.setStatus(302);
+      resp.addHeader("Location", redirectUrl);
+      log.debug("REDIRECT TO: " + redirectUrl);
+      
+    }
+  }
+  
+  private IGuiBuilderConfiguration evaluateRequiredErrorHandlingMethod(IRequest first, String errorId) {
+    if (first != null && first.isProcessInIframe()) {
+      return guiConfigFactory.getDefaultIFrameParentHopGui(first, 
+          "/" + ProtocolFinalizationController.ENDPOINT_ERRORHANDLING,
+          errorId);
+    
+    }
+
+    return null;
+  }
+  
+  private String generateErrorRedirectUrl(final HttpServletRequest req, String errorKey) {
+    String redirectUrl = null;
+    redirectUrl = ServletUtils.getBaseUrl(req);
+    redirectUrl += "/" + ProtocolFinalizationController.ENDPOINT_ERRORHANDLING + "?"
+        + EaafConstants.PARAM_HTTP_ERROR_CODE + "=" + errorKey;
+    return redirectUrl;
+
+  }
+  
   public void setGuiBuilder(final IGuiFormBuilder guiBuilder) {
     this.guiBuilder = guiBuilder;
   }
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/AbstractController.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/AbstractController.java
index dd113907..fc62af45 100644
--- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/AbstractController.java
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/AbstractController.java
@@ -26,6 +26,13 @@ import javax.annotation.Nullable;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.apache.commons.text.StringEscapeUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
 import at.gv.egiz.components.eventlog.api.EventConstants;
 import at.gv.egiz.eaaf.core.api.IRequest;
 import at.gv.egiz.eaaf.core.api.IStatusMessenger;
@@ -41,14 +48,6 @@ import at.gv.egiz.eaaf.core.exceptions.ProcessExecutionException;
 import at.gv.egiz.eaaf.core.exceptions.TaskExecutionException;
 import at.gv.egiz.eaaf.core.impl.data.Pair;
 import at.gv.egiz.eaaf.core.impl.utils.Random;
-import at.gv.egiz.eaaf.core.impl.utils.ServletUtils;
-
-import org.apache.commons.text.StringEscapeUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.ApplicationContext;
-import org.springframework.web.bind.annotation.ExceptionHandler;
 
 /**
  * Basic application controller that implements core error-handling.
@@ -70,7 +69,7 @@ public abstract class AbstractController {
   protected ITransactionStorage transactionStorage;
   @Autowired(required = true)
   protected IStatusMessenger statusMessager;
-
+  
   @Autowired
   protected IRevisionLogger revisionsLogger;
 
@@ -150,15 +149,8 @@ public abstract class AbstractController {
 
     try {
       final String errorKey = storeErrorAndGetErrorToken(errorToHandle);
-
-      // build up redirect URL
-      final String redirectUrl = generateErrorRedirectUrl(req, errorKey);
-      resp.setContentType("text/html");
-      resp.setStatus(302);
-
-      resp.addHeader("Location", redirectUrl);
-      log.debug("REDIRECT TO: " + redirectUrl);
-
+      protAuthService.forwardToErrorHandler(errorToHandle, errorKey, req, resp);
+      
       return;
 
     } catch (final Exception e) {
@@ -170,15 +162,6 @@ public abstract class AbstractController {
 
   }
 
-  protected String generateErrorRedirectUrl(final HttpServletRequest req, String errorKey) {
-    String redirectUrl = null;
-    redirectUrl = ServletUtils.getBaseUrl(req);
-    redirectUrl += "/" + ProtocolFinalizationController.ENDPOINT_ERRORHANDLING + "?"
-        + EaafConstants.PARAM_HTTP_ERROR_CODE + "=" + errorKey;
-    return redirectUrl;
-
-  }
-
   protected String storeErrorAndGetErrorToken(Pair<IRequest, Throwable> errorToHandle) throws EaafException {
     // log error directly in debug mode
     if (log.isDebugEnabled()) {
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/ProtocolFinalizationController.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/ProtocolFinalizationController.java
index 51a8aefd..17da63f5 100644
--- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/ProtocolFinalizationController.java
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/ProtocolFinalizationController.java
@@ -63,7 +63,7 @@ public class ProtocolFinalizationController extends AbstractController {
    * @throws EaafException In case of an internal error
    * @throws IOException   In case of a servlet error
    */
-  @RequestMapping(value = ENDPOINT_ERRORHANDLING, method = { RequestMethod.GET })
+  @RequestMapping(value = ENDPOINT_ERRORHANDLING, method = { RequestMethod.GET, RequestMethod.POST })
   public void errorHandling(final HttpServletRequest req, final HttpServletResponse resp)
       throws EaafException, IOException {
     // receive an authentication error
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/protocols/RequestImpl.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/protocols/RequestImpl.java
index f4494106..df13fda9 100644
--- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/protocols/RequestImpl.java
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/controller/protocols/RequestImpl.java
@@ -32,6 +32,13 @@ import java.util.UUID;
 import javax.annotation.Nonnull;
 import javax.servlet.http.HttpServletRequest;
 
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.lang.NonNull;
+import org.springframework.lang.Nullable;
+import org.springframework.util.Assert;
+
 import at.gv.egiz.eaaf.core.api.IRequest;
 import at.gv.egiz.eaaf.core.api.data.EaafConstants;
 import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
@@ -44,13 +51,6 @@ import at.gv.egiz.eaaf.core.impl.http.HttpUtils;
 import at.gv.egiz.eaaf.core.impl.idp.auth.data.AuthProcessDataWrapper;
 import at.gv.egiz.eaaf.core.impl.utils.TransactionIdUtils;
 
-import org.apache.commons.lang3.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.lang.NonNull;
-import org.springframework.lang.Nullable;
-import org.springframework.util.Assert;
-
 public abstract class RequestImpl implements IRequest, Serializable {
 
   private static final Logger log = LoggerFactory.getLogger(RequestImpl.class);
@@ -92,6 +92,8 @@ public abstract class RequestImpl implements IRequest, Serializable {
 
   private boolean needUserConsent = false;
 
+  private boolean currentlyInIframe = false;
+  
   private final Map<String, Object> genericDataStorage = new HashMap<>();
 
   /**
@@ -457,6 +459,17 @@ public abstract class RequestImpl implements IRequest, Serializable {
   }
 
   @Override
+  public boolean isProcessInIframe() {
+    return this.currentlyInIframe;
+  }
+
+  @Override
+  public void setProcessInFrame(boolean flag) {
+    this.currentlyInIframe = flag;
+    
+  }
+  
+  @Override
   public final Object getRawData(final String key) {
     if (StringUtils.isNotEmpty(key)) {
       return genericDataStorage.get(key);