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# 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.NoPlaceholderTextPolicy do
@moduledoc "Ensure no content placeholder is present (such as the dot from mastodon)"
@behaviour Pleroma.Web.ActivityPub.MRF.Policy
@impl true
def history_awareness, do: :auto
@impl true
def filter(
%{
"type" => type,
"object" => %{"content" => content, "attachment" => _} = _child_object
} = object
)
when type in ["Create", "Update"] and content in [".", "<p>.</p>"] do
{:ok, put_in(object, ["object", "content"], "")}
end
@impl true
def filter(object), do: {:ok, object}
@impl true
def describe, do: {:ok, %{}}
end
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