pleroma/lib/pleroma/web/activity_pub/mrf/no_incoming_deletes.ex
2022-11-27 12:07:51 -05:00

30 lines
870 B
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.NoIncomingDeletes do
@moduledoc "Reject remote deletes."
require Logger
@behaviour Pleroma.Web.ActivityPub.MRF.Policy
@impl true
def filter(%{"type" => "Delete", "actor" => actor} = object) do
actor_info = URI.parse(actor)
instance_domain = Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host])
if (actor_info.host == instance_domain) do
Logger.warn("DELETE from this instance, not rejecting: #{inspect(object)}")
{:ok, object}
else
Logger.warn("DELETE rejected: #{inspect(object)}")
{:reject, object}
end
end
@impl true
def filter(object), do: {:ok, object}
@impl true
def describe, do: {:ok, %{}}
end