git.squeep.com Git - akkoma/blob - lib/pleroma/web/activity_pub/mrf/reject_non_public.ex

   1 defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublic do
   2   alias Pleroma.User
   3   @behaviour Pleroma.Web.ActivityPub.MRF
   4
   5   @impl true
   6   def filter(object) do
   7     if object["type"] == "Create" do
   8       user = User.get_by_ap_id(object["actor"])
   9       public = "https://www.w3.org/ns/activitystreams#Public"
  10
  11       # Determine visibility
  12       visibility =
  13         cond do
  14           public in object["to"] -> "public"
  15           public in object["cc"] -> "unlisted"
  16           user.follower_address in object["to"] -> "followers"
  17           true -> "direct"
  18         end
  19
  20       {flag, object_out} =
  21         case visibility do
  22           "public" -> {:ok, object}
  23           "unlisted" -> {:ok, object}
  24           _ -> {:reject, nil}
  25         end
  26
  27       {flag, object_out}
  28     else
  29       {:ok, object}
  30     end
  31   end
  32 end