+ # For Undos that don't have the complete object attached, try to find it in our database.
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => object
+ } = activity,
+ options
+ )
+ when is_binary(object) do
+ with %Activity{data: data} <- Activity.get_by_ap_id(object) do
+ activity
+ |> Map.put("object", data)
+ |> handle_incoming(options)
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{
+ "type" => "Move",
+ "actor" => origin_actor,
+ "object" => origin_actor,
+ "target" => target_actor
+ },
+ _options
+ ) do
+ with %User{} = origin_user <- User.get_cached_by_ap_id(origin_actor),
+ {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_actor),
+ true <- origin_actor in target_user.also_known_as do
+ ActivityPub.move(origin_user, target_user, false)
+ else
+ _e -> :error
+ end
+ end
+