Refinement on action controller checkpermission api

includes/runtime/Controller.php

@@ -115,7 +115,17 @@ abstract class Vtiger_Action_Controller extends Vtiger_Controller {
 	function checkPermission(Vtiger_Request $request) {
 		$permissions = $this->requiresPermission($request);
 		foreach($permissions as $permission) {
-			if(!Users_Privileges_Model::isPermitted($request->get($permission['module_parameter']), $permission['action'], $request->get($permission['record_parameter']))) {
+			if(array_key_exists('module_parameter', $permission)){
+				$moduleParameter = $request->get($permission['module_parameter']);
+			}else{
+				$moduleParameter = 'module';
+			}
+			if(array_key_exists('record_parameter', $permission)){
+				$recordParameter = $request->get($permission['record_parameter']);
+			}else{
+				$recordParameter = '';
+			}
+			if(!Users_Privileges_Model::isPermitted($moduleParameter, $permission['action'], $recordParameter)) {
 				throw new AppException(vtranslate('LBL_PERMISSION_DENIED'));
 			}
 		}