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(%{"type" => "Create"} = object) do
   7     user = User.get_cached_by_ap_id(object["actor"])
   8     public = "https://www.w3.org/ns/activitystreams#Public"
   9
  10     # Determine visibility
  11     visibility =
  12       cond do
  13         public in object["to"] -> "public"
  14         public in object["cc"] -> "unlisted"
  15         user.follower_address in object["to"] -> "followers"
  16         true -> "direct"
  17       end
  18
  19     policy = Pleroma.Config.get(:mrf_rejectnonpublic)
  20
  21     case visibility do
  22       "public" ->
  23         {:ok, object}
  24
  25       "unlisted" ->
  26         {:ok, object}
  27
  28       "followers" ->
  29         with true <- Keyword.get(policy, :allow_followersonly) do
  30           {:ok, object}
  31         else
  32           _e -> {:reject, nil}
  33         end
  34
  35       "direct" ->
  36         with true <- Keyword.get(policy, :allow_direct) do
  37           {:ok, object}
  38         else
  39           _e -> {:reject, nil}
  40         end
  41     end
  42   end
  43
  44   @impl true
  45   def filter(object), do: {:ok, object}
  46 end