Index: branches/5.2.x/core/kernel/application.php
===================================================================
diff -u -N -r16533 -r16561
--- branches/5.2.x/core/kernel/application.php	(.../application.php)	(revision 16533)
+++ branches/5.2.x/core/kernel/application.php	(.../application.php)	(revision 16561)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: application.php 16533 2017-01-29 18:06:56Z alex $
+* @version	$Id: application.php 16561 2017-07-16 14:01:06Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -2561,6 +2561,22 @@
 	}
 
 	/**
+	 * Determines if access permissions should not be checked.
+	 *
+	 * @param integer|null $user_id User ID.
+	 *
+	 * @return boolean
+	 */
+	public function permissionCheckingDisabled($user_id = null)
+	{
+		if ( !isset($user_id) ) {
+			$user_id = $this->RecallVar('user_id');
+		}
+
+		return $user_id == USER_ROOT;
+	}
+
+	/**
 	 * Check current user permissions based on it's group permissions in specified category
 	 *
 	 * @param string $name permission name
Index: branches/5.2.x/core/units/helpers/upload_helper.php
===================================================================
diff -u -N -r16513 -r16561
--- branches/5.2.x/core/units/helpers/upload_helper.php	(.../upload_helper.php)	(revision 16513)
+++ branches/5.2.x/core/units/helpers/upload_helper.php	(.../upload_helper.php)	(revision 16561)
@@ -140,7 +140,7 @@
 		/** @var Session $admin_session */
 		$admin_session = $this->Application->recallObject('Session.admin');
 
-		if ( $admin_session->RecallVar('user_id') == USER_ROOT ) {
+		if ( $this->Application->permissionCheckingDisabled($admin_session->RecallVar('user_id')) ) {
 			return true;
 		}
 
Index: branches/5.2.x/core/units/helpers/permissions_helper.php
===================================================================
diff -u -N -r16513 -r16561
--- branches/5.2.x/core/units/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 16513)
+++ branches/5.2.x/core/units/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 16561)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: permissions_helper.php 16513 2017-01-20 14:10:53Z alex $
+* @version	$Id: permissions_helper.php 16561 2017-07-16 14:01:06Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -585,8 +585,7 @@
 		{
 			$user_id = (int)$user_id;
 
-			if ( $user_id == USER_ROOT ) {
-				// "root" is allowed anywhere
+			if ( $this->Application->permissionCheckingDisabled($user_id) ) {
 				return substr($name, -5) == '.deny' || $name == 'SYSTEM_ACCESS.READONLY' ? 0 : 1;
 			}
 
@@ -845,4 +844,4 @@
 
 			return 0;
 		}
-	}
\ No newline at end of file
+	}
Index: branches/5.2.x/core/kernel/db/db_event_handler.php
===================================================================
diff -u -N -r16554 -r16561
--- branches/5.2.x/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 16554)
+++ branches/5.2.x/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 16561)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: db_event_handler.php 16554 2017-07-16 12:09:43Z alex $
+* @version	$Id: db_event_handler.php 16561 2017-07-16 14:01:06Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -558,19 +558,19 @@
 				$event->setEventParam('top_prefix', $this->Application->GetTopmostPrefix($event->Prefix, true));
 				$status_checked = false;
 
-				if ( $user_id == USER_ROOT || $this->CheckPermission($event) ) {
-					// don't autoload item, when user doesn't have view permission
+				if ( $this->Application->permissionCheckingDisabled($user_id) || $this->CheckPermission($event) ) {
+					// Don't autoload item, when user doesn't have view permission.
 					$this->LoadItem($event);
 
 					$status_checked = true;
 					$editing_mode = defined('EDITING_MODE') ? EDITING_MODE : false;
 					$id_from_request = $event->getEventParam(kEvent::FLAG_ID_FROM_REQUEST);
 
-					if ( $user_id != USER_ROOT
+					if ( !$this->Application->permissionCheckingDisabled($user_id)
 						&& !$this->Application->isAdmin
 						&& !($editing_mode || ($id_from_request ? $this->checkItemStatus($event) : true))
 					) {
-						// non-root user AND on front-end AND (not editing mode || incorrect status)
+						// Permissions are being checked AND on Front-End AND (not editing mode || incorrect status).
 						$perm_status = false;
 					}
 				}
Index: branches/5.2.x/core/kernel/managers/request_manager.php
===================================================================
diff -u -N -r16513 -r16561
--- branches/5.2.x/core/kernel/managers/request_manager.php	(.../request_manager.php)	(revision 16513)
+++ branches/5.2.x/core/kernel/managers/request_manager.php	(.../request_manager.php)	(revision 16561)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: request_manager.php 16513 2017-01-20 14:10:53Z alex $
+* @version	$Id: request_manager.php 16561 2017-07-16 14:01:06Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2010 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -156,7 +156,7 @@
 		/** @var kEventHandler $event_handler */
 		$event_handler = $this->Application->recallObject($event->Prefix . '_EventHandler');
 
-		if ( ($this->Application->RecallVar('user_id') == USER_ROOT) || $event_handler->CheckPermission($event) ) {
+		if ( $this->Application->permissionCheckingDisabled() || $event_handler->CheckPermission($event) ) {
 			$this->Application->HandleEvent($event);
 			$this->Application->notifyEventSubscribers($event);
 		}
@@ -481,4 +481,4 @@
 		$opener_stack->push($template, $params, $index_file);
 		$opener_stack->save();
 	}
-}
\ No newline at end of file
+}