|
|
@@ -0,0 +1,34 @@ |
|
|
|
# Pleroma: A lightweight social networking server |
|
|
|
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> |
|
|
|
# SPDX-License-Identifier: AGPL-3.0-only |
|
|
|
|
|
|
|
defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicy do |
|
|
|
@moduledoc "Filter messages which belong to certain activity vocabularies" |
|
|
|
|
|
|
|
@behaviour Pleroma.Web.ActivityPub.MRF |
|
|
|
|
|
|
|
def filter(%{"type" => "Undo", "object" => child_message} = message) do |
|
|
|
with {:ok, _} <- filter(child_message) do |
|
|
|
{:ok, message} |
|
|
|
else |
|
|
|
{:reject, nil} -> |
|
|
|
{:reject, nil} |
|
|
|
end |
|
|
|
end |
|
|
|
|
|
|
|
def filter(%{"type" => message_type} = message) do |
|
|
|
with accepted_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :accept]), |
|
|
|
rejected_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :reject]), |
|
|
|
true <- |
|
|
|
length(accepted_vocabulary) == 0 || Enum.member?(accepted_vocabulary, message_type), |
|
|
|
false <- |
|
|
|
length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type), |
|
|
|
{:ok, _} <- filter(message["object"]) do |
|
|
|
{:ok, message} |
|
|
|
else |
|
|
|
_ -> {:reject, nil} |
|
|
|
end |
|
|
|
end |
|
|
|
|
|
|
|
def filter(message), do: {:ok, message} |
|
|
|
end |