43 lines
1.5 KiB
Elixir
43 lines
1.5 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do
|
|
alias Pleroma.User
|
|
@behaviour Pleroma.Web.ActivityPub.MRF
|
|
|
|
@impl true
|
|
def filter(%{"type" => "Create"} = object) do
|
|
delist_threshold = Pleroma.Config.get([:mrf_hellthread, :delist_threshold])
|
|
reject_threshold = Pleroma.Config.get([:mrf_hellthread, :reject_threshold])
|
|
recipients = (object["to"] || []) ++ (object["cc"] || [])
|
|
|
|
cond do
|
|
length(recipients) > reject_threshold ->
|
|
{:reject, nil}
|
|
|
|
length(recipients) > delist_threshold ->
|
|
if Enum.member?(object["to"], "https://www.w3.org/ns/activitystreams#Public") or
|
|
Enum.member?(object["cc"], "https://www.w3.org/ns/activitystreams#Public") do
|
|
object
|
|
|> Kernel.update_in(["object", "to"], [
|
|
User.get_cached_by_ap_id(object["actor"].follower_address)
|
|
])
|
|
|> Kernel.update_in(["object", "cc"], ["https://www.w3.org/ns/activitystreams#Public"])
|
|
|> Kernel.update_in(["to"], [
|
|
User.get_cached_by_ap_id(object["actor"].follower_address)
|
|
])
|
|
|> Kernel.update_in(["cc"], ["https://www.w3.org/ns/activitystreams#Public"])
|
|
else
|
|
{:ok, object}
|
|
end
|
|
|
|
true ->
|
|
{:ok, object}
|
|
end
|
|
end
|
|
|
|
@impl true
|
|
def filter(object), do: {:ok, object}
|
|
end
|