From 2c8d2e81c99615bd1f57fd19f18f1ce3e6d7efed Mon Sep 17 00:00:00 2001
From: Thomas Lenz <thomas.lenz@egiz.gv.at>
Date: Fri, 20 Nov 2020 11:45:20 +0100
Subject: fix bug in central error-handling that lead to a ClassCastException
 in some cases (Jira EID-647)

---
 .../services/ProtocolAuthenticationService.java    | 56 +++++++++++++---------
 1 file changed, 34 insertions(+), 22 deletions(-)

(limited to 'eaaf_core/src/main')

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 98149957..8c258a14 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
@@ -29,6 +29,17 @@ import javax.naming.ConfigurationException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.lang3.StringUtils;
+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.lang.NonNull;
+import org.springframework.lang.Nullable;
+import org.springframework.stereotype.Service;
+
 import at.gv.egiz.components.eventlog.api.EventConstants;
 import at.gv.egiz.eaaf.core.api.IRequest;
 import at.gv.egiz.eaaf.core.api.IRequestStorage;
@@ -59,6 +70,7 @@ 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.exceptions.TaskExecutionException;
 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;
@@ -67,17 +79,6 @@ import at.gv.egiz.eaaf.core.impl.idp.controller.protocols.RequestImpl;
 import at.gv.egiz.eaaf.core.impl.utils.KeyValueUtils;
 import at.gv.egiz.eaaf.core.impl.utils.ServletUtils;
 
-import org.apache.commons.lang3.ArrayUtils;
-import org.apache.commons.lang3.StringUtils;
-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.lang.NonNull;
-import org.springframework.lang.Nullable;
-import org.springframework.stereotype.Service;
-
 @Service
 public class ProtocolAuthenticationService implements IProtocolAuthenticationService {
   private static final Logger log = LoggerFactory.getLogger(ProtocolAuthenticationService.class);
@@ -379,21 +380,32 @@ public class ProtocolAuthenticationService implements IProtocolAuthenticationSer
    *
    * @param loggedException Exception to log
    */
-  protected void logExceptionToTechnicalLog(final Throwable loggedException) {
-    if (!(loggedException instanceof EaafException
-        || loggedException instanceof ProcessExecutionException)) {
+  protected void logExceptionToTechnicalLog(final Throwable loggedException) {    
+    // In case of a TaskExecutionException, which is only a container for process-errors, 
+    // extract internal exception 
+    Throwable toLog;
+    if (loggedException instanceof TaskExecutionException) {
+      toLog = ((TaskExecutionException)loggedException);
+      
+    } else {
+      toLog = loggedException;
+      
+    }
+
+    // Log exception
+    if (!(toLog instanceof EaafException)) {
       log.error(TECH_LOG_MSG, IStatusMessenger.CODES_INTERNAL_ERROR_GENERIC,
-          loggedException.getMessage(), loggedException);
+          toLog.getMessage(), toLog);
 
-    } else {
-      if (loggedException instanceof EaafException
-          && logOnInfoLevel.contains(((EaafException) loggedException).getErrorId())) {
-        log.info(TECH_LOG_MSG, ((EaafException) loggedException).getErrorId(),
-            loggedException.getMessage(), loggedException);
+    } else {            
+      if (toLog instanceof EaafException
+          && logOnInfoLevel.contains(((EaafException) toLog).getErrorId())) {
+        log.info(TECH_LOG_MSG, ((EaafException) toLog).getErrorId(),
+            toLog.getMessage(), toLog);
 
       } else {
-        log.warn(TECH_LOG_MSG, ((EaafException) loggedException).getErrorId(),
-            loggedException.getMessage(), loggedException);
+        log.warn(TECH_LOG_MSG, ((EaafException) toLog).getErrorId(),
+            toLog.getMessage(), toLog);
 
       }
     }
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