# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do
+ require Pleroma.Constants
+
@moduledoc "Reject or Word-Replace messages with a keyword or regex"
@behaviour Pleroma.Web.ActivityPub.MRF
defp check_ftl_removal(
%{"to" => to, "object" => %{"content" => content, "summary" => summary}} = message
) do
- if "https://www.w3.org/ns/activitystreams#Public" in to and
+ if Pleroma.Constants.as_public() in to and
Enum.any?(Pleroma.Config.get([:mrf_keyword, :federated_timeline_removal]), fn pattern ->
string_matches?(content, pattern) or string_matches?(summary, pattern)
end) do
- to = List.delete(to, "https://www.w3.org/ns/activitystreams#Public")
- cc = ["https://www.w3.org/ns/activitystreams#Public" | message["cc"] || []]
+ to = List.delete(to, Pleroma.Constants.as_public())
+ cc = [Pleroma.Constants.as_public() | message["cc"] || []]
message =
message
@impl true
def filter(message), do: {:ok, message}
+
+ @impl true
+ def describe do
+ # This horror is needed to convert regex sigils to strings
+ mrf_keyword =
+ Pleroma.Config.get(:mrf_keyword, [])
+ |> Enum.map(fn {key, value} ->
+ {key,
+ Enum.map(value, fn
+ {pattern, replacement} ->
+ %{
+ "pattern" =>
+ if not is_binary(pattern) do
+ inspect(pattern)
+ else
+ pattern
+ end,
+ "replacement" => replacement
+ }
+
+ pattern ->
+ if not is_binary(pattern) do
+ inspect(pattern)
+ else
+ pattern
+ end
+ end)}
+ end)
+ |> Enum.into(%{})
+
+ {:ok, %{mrf_keyword: mrf_keyword}}
+ end
end