git.squeep.com Git - akkoma/blob - lib/pleroma/web/activity_pub/mrf/force_bot_unlisted_policy.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ActivityPub.MRF.ForceBotUnlistedPolicy do
   6   alias Pleroma.User
   7   @behaviour Pleroma.Web.ActivityPub.MRF.Policy
   8   @moduledoc "Remove bot posts from federated timeline"
   9
  10   require Pleroma.Constants
  11
  12   defp check_by_actor_type(user), do: user.actor_type in ["Application", "Service"]
  13   defp check_by_nickname(user), do: Regex.match?(~r/bot@|ebooks@/i, user.nickname)
  14
  15   defp check_if_bot(user), do: check_by_actor_type(user) or check_by_nickname(user)
  16
  17   @impl true
  18   def filter(
  19         %{
  20           "type" => "Create",
  21           "to" => to,
  22           "cc" => cc,
  23           "actor" => actor,
  24           "object" => object
  25         } = message
  26       ) do
  27     user = User.get_cached_by_ap_id(actor)
  28     isbot = check_if_bot(user)
  29
  30     if isbot and Enum.member?(to, Pleroma.Constants.as_public()) do
  31       to = List.delete(to, Pleroma.Constants.as_public()) ++ [user.follower_address]
  32       cc = List.delete(cc, user.follower_address) ++ [Pleroma.Constants.as_public()]
  33
  34       object =
  35         object
  36         |> Map.put("to", to)
  37         |> Map.put("cc", cc)
  38
  39       message =
  40         message
  41         |> Map.put("to", to)
  42         |> Map.put("cc", cc)
  43         |> Map.put("object", object)
  44
  45       {:ok, message}
  46     else
  47       {:ok, message}
  48     end
  49   end
  50
  51   @impl true
  52   def filter(message), do: {:ok, message}
  53
  54   @impl true
  55   def describe, do: {:ok, %{}}
  56 end