added RBAC

lib/User/Controller/PermissionController.php

@@ -0,0 +1,41 @@
+<?php
+namespace Da\User\Controller;
+
+
+use Da\User\Model\Permission;
+use Da\User\Search\PermissionSearch;
+use yii\web\NotFoundHttpException;
+
+class PermissionController extends AbstractAuthItemController
+{
+    /**
+     * @inheritdoc
+     */
+    protected function getModelClass()
+    {
+        return Permission::class;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getSearchModelClass()
+    {
+        return PermissionSearch::class;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function getItem($name)
+    {
+        $authItem = $this->authHelper->getPermission($name);
+
+        if ($authItem !== null) {
+            return $authItem;
+        }
+
+        throw new NotFoundHttpException();
+    }
+
+}