Controllers/api/v1/newsfeed.php

@@ -42,7 +42,6 @@ class newsfeed implements Interfaces\Api
         switch ($pages[0]) {
             case 'single':
                 $activity = new Activity($pages[1]);
-
                 if (!Security\ACL::_()->read($activity)) {
                     return Factory::response([
                         'status' => 'error',
@@ -54,7 +53,7 @@ class newsfeed implements Interfaces\Api
                     return Factory::response(['status' => 'error']);
                 }
 
-                return Factory::response(['activity' => $activity->export()]);
+                return Factory::response(['activity' => factory::exportable([$activity])]);
                 break;
             default:
             case 'personal':

Core/Permissions/Manager.php

@@ -40,10 +40,6 @@ class Manager
             'entities' => [],
         ], $opts);
 
-        if ($opts['user_guid'] === null) {
-            throw new \InvalidArgumentException('user_guid is required');
-        }
-
         $guids = $opts['guids'] ?: array_map(function ($item) {
             return $item->getGuid();
         }, $opts['entities']);
@@ -51,10 +47,6 @@ class Manager
         $user = $this->entitiesBuilder->single($opts['user_guid']);
         $entities = $this->entitiesBuilder->get(['guids' => $guids]);
 
-        if (!$user) {
-            throw new \InvalidArgumentException('User does not exist');
-        }
-
         if ($user && $user->getType() !== 'user') {
             throw new \InvalidArgumentException('Entity is not a user');
         }