From 42ce7c5164326aa577bc7bd18e98c5d0a9d6fea5 Mon Sep 17 00:00:00 2001
From: lain <lain@soykaf.club>
Date: Thu, 30 Apr 2020 14:13:08 +0200
Subject: [PATCH] ObjectValidator: Add actor fetcher.

---
 lib/pleroma/web/activity_pub/object_validator.ex | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/pleroma/web/activity_pub/object_validator.ex b/lib/pleroma/web/activity_pub/object_validator.ex
index f476c6f72..016f6e7a2 100644
--- a/lib/pleroma/web/activity_pub/object_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validator.ex
@@ -46,8 +46,14 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
     |> Map.new(fn {key, val} -> {to_string(key), val} end)
   end
 
+  def fetch_actor(object) do
+    with {:ok, actor} <- Types.ObjectID.cast(object["actor"]) do
+      User.get_or_fetch_by_ap_id(actor)
+    end
+  end
+
   def fetch_actor_and_object(object) do
-    User.get_or_fetch_by_ap_id(object["actor"])
+    fetch_actor(object)
     Object.normalize(object["object"])
     :ok
   end