doorlogmanager view: show human readable errorcodes; DoorManagerLogController.php authorization fix

frontend/controllers/DoorManagerLogController.php

@@ -30,6 +30,25 @@ use frontend\models\LogForm;
  */
 class DoorManagerLogController extends Controller {
 
+    public function behaviors()
+    {
+        return [
+            'access' => [
+                'class' => \yii\filters\AccessControl::className(),
+                'only' => ['index'],
+                'rules' => [
+                    // allow authenticated users
+                    [
+                        'allow' => true,
+                        'roles' => ['@'],
+                    ],
+                    // everything else is denied
+                ],
+            ],
+
+        ];
+    }
+
     public function actionIndex()
     {
         $searchModel = new DoorManagerLogSearch();