# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do
alias Pleroma.User
+
+ require Pleroma.Constants
+
+ @moduledoc "Block messages with too much mentions (configurable)"
+
@behaviour Pleroma.Web.ActivityPub.MRF
defp delist_message(message, threshold) when threshold > 0 do
follower_collection? = Enum.member?(message["to"] ++ message["cc"], follower_collection)
message =
- case recipients = get_recipient_count(message) do
- {:public, _}
+ case get_recipient_count(message) do
+ {:public, recipients}
when follower_collection? and recipients > threshold ->
message
|> Map.put("to", [follower_collection])
- |> Map.put("cc", ["https://www.w3.org/ns/activitystreams#Public"])
+ |> Map.put("cc", [Pleroma.Constants.as_public()])
- {:public, _} when recipients > threshold ->
+ {:public, recipients} when recipients > threshold ->
message
|> Map.put("to", [])
- |> Map.put("cc", ["https://www.w3.org/ns/activitystreams#Public"])
+ |> Map.put("cc", [Pleroma.Constants.as_public()])
_ ->
message
recipients = (message["to"] || []) ++ (message["cc"] || [])
follower_collection = User.get_cached_by_ap_id(message["actor"]).follower_address
- if Enum.member?(recipients, "https://www.w3.org/ns/activitystreams#Public") do
+ if Enum.member?(recipients, Pleroma.Constants.as_public()) do
recipients =
recipients
- |> List.delete("https://www.w3.org/ns/activitystreams#Public")
+ |> List.delete(Pleroma.Constants.as_public())
|> List.delete(follower_collection)
{:public, length(recipients)}
@impl true
def filter(message), do: {:ok, message}
+
+ @impl true
+ def describe,
+ do: {:ok, %{mrf_hellthread: Pleroma.Config.get(:mrf_hellthread) |> Enum.into(%{})}}
end