1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do
7 @behaviour Pleroma.Web.ActivityPub.MRF
10 def filter(%{"type" => "Create"} = object) do
11 delist_threshold = Pleroma.Config.get([:mrf_hellthread, :delist_threshold])
12 reject_threshold = Pleroma.Config.get([:mrf_hellthread, :reject_threshold])
13 recipients = (object["to"] || []) ++ (object["cc"] || [])
16 length(recipients) > reject_threshold and reject_threshold != 0 ->
19 length(recipients) > delist_threshold and delist_threshold != 0 ->
20 if Enum.member?(object["to"], "https://www.w3.org/ns/activitystreams#Public") or
21 Enum.member?(object["cc"], "https://www.w3.org/ns/activitystreams#Public") do
22 follower_collection = User.get_by_ap_id(object["actor"].follower_address)
25 |> Kernel.update_in(["object", "to"], [follower_collection])
26 |> Kernel.update_in(["object", "cc"], ["https://www.w3.org/ns/activitystreams#Public"])
27 |> Kernel.update_in(["to"], [follower_collection])
28 |> Kernel.update_in(["cc"], ["https://www.w3.org/ns/activitystreams#Public"])
41 def filter(object), do: {:ok, object}