akkoma/lib/pleroma/web/activity_pub/mrf/mention_policy.ex

47 lines
1.3 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.MentionPolicy do
@moduledoc "Block messages which mention a user"
@behaviour Pleroma.Web.ActivityPub.MRF.Policy
@impl true
def filter(%{"type" => type} = message) when type in ["Create", "Update"] do
reject_actors = Pleroma.Config.get([:mrf_mention, :actors], [])
recipients = (message["to"] || []) ++ (message["cc"] || [])
if rejected_mention =
Enum.find(recipients, fn recipient -> Enum.member?(reject_actors, recipient) end) do
{:reject, "[MentionPolicy] Rejected for mention of #{rejected_mention}"}
else
{:ok, message}
end
end
@impl true
def filter(message), do: {:ok, message}
@impl true
def describe, do: {:ok, %{}}
@impl true
def config_description do
%{
key: :mrf_mention,
related_policy: "Pleroma.Web.ActivityPub.MRF.MentionPolicy",
label: "MRF Mention",
description: "Block messages which mention a specific user",
children: [
%{
key: :actors,
type: {:list, :string},
description: "A list of actors for which any post mentioning them will be dropped",
suggestions: ["actor1", "actor2"]
}
]
}
end
end