Added check of owner field for manage-permissions-own

This permission was still checking based on created-by.
Updated testing to specifically check the owner since the tests
were passing by the fact of matching creator and owner.

Fixes #2445

app/Auth/Permissions/PermissionService.php

@@ -533,7 +533,8 @@ class PermissionService
             $allPermission = $this->currentUser() && $this->currentUser()->can($permission . '-all');
             $ownPermission = $this->currentUser() && $this->currentUser()->can($permission . '-own');
             $this->currentAction = 'view';
-            $isOwner = $this->currentUser() && $this->currentUser()->id === $ownable->created_by;
+            $ownerField = ($ownable instanceof Entity) ? 'owned_by' : 'created_by';
+            $isOwner = $this->currentUser() && $this->currentUser()->id === $ownable->$ownerField;
             return ($allPermission || ($isOwner && $ownPermission));
         }
 

tests/Permissions/RolesTest.php

@@ -216,15 +216,23 @@ class RolesTest extends BrowserKitTest
     {
         $otherUsersPage = Page::first();
         $content = $this->createEntityChainBelongingToUser($this->user);
+
+        // Set a different creator on the page we're checking to ensure
+        // that the owner fields are checked
+        $page = $content['page']; /** @var Page $page */
+        $page->created_by = $otherUsersPage->id;
+        $page->owned_by = $this->user->id;
+        $page->save();
+
         // Check can't restrict other's content
         $this->actingAs($this->user)->visit($otherUsersPage->getUrl())
             ->dontSee('Permissions')
             ->visit($otherUsersPage->getUrl() . '/permissions')
             ->seePageIs('/');
         // Check can't restrict own content
-        $this->actingAs($this->user)->visit($content['page']->getUrl())
+        $this->actingAs($this->user)->visit($page->getUrl())
             ->dontSee('Permissions')
-            ->visit($content['page']->getUrl() . '/permissions')
+            ->visit($page->getUrl() . '/permissions')
             ->seePageIs('/');
 
         $this->giveUserPermissions($this->user, ['restrictions-manage-own']);
@@ -235,10 +243,10 @@ class RolesTest extends BrowserKitTest
             ->visit($otherUsersPage->getUrl() . '/permissions')
             ->seePageIs('/');
         // Check can restrict own content
-        $this->actingAs($this->user)->visit($content['page']->getUrl())
+        $this->actingAs($this->user)->visit($page->getUrl())
             ->see('Permissions')
             ->click('Permissions')
-            ->seePageIs($content['page']->getUrl() . '/permissions');
+            ->seePageIs($page->getUrl() . '/permissions');
     }
 
     /**