mirror of
https://akkoma.dev/AkkomaGang/akkoma.git
synced 2024-12-05 02:40:43 +00:00
6da6540036
Done via the following command:
git diff fcd5dd259a
--stat --name-only | xargs sed -i '/Pleroma Authors/c# Copyright © 2017-2020 Pleroma Authors <https:\/\/pleroma.social\/>'
195 lines
5.7 KiB
Elixir
195 lines
5.7 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.ActivityPub.MRF
|
|
@moduledoc "Filter activities depending on their origin instance"
|
|
@behaviour Pleroma.Web.ActivityPub.MRF
|
|
|
|
require Pleroma.Constants
|
|
|
|
defp check_accept(%{host: actor_host} = _actor_info, object) do
|
|
accepts =
|
|
Pleroma.Config.get([:mrf_simple, :accept])
|
|
|> MRF.subdomains_regex()
|
|
|
|
cond do
|
|
accepts == [] -> {:ok, object}
|
|
actor_host == Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host]) -> {:ok, object}
|
|
MRF.subdomain_match?(accepts, actor_host) -> {:ok, object}
|
|
true -> {:reject, nil}
|
|
end
|
|
end
|
|
|
|
defp check_reject(%{host: actor_host} = _actor_info, object) do
|
|
rejects =
|
|
Pleroma.Config.get([:mrf_simple, :reject])
|
|
|> MRF.subdomains_regex()
|
|
|
|
if MRF.subdomain_match?(rejects, actor_host) do
|
|
{:reject, nil}
|
|
else
|
|
{:ok, object}
|
|
end
|
|
end
|
|
|
|
defp check_media_removal(
|
|
%{host: actor_host} = _actor_info,
|
|
%{"type" => "Create", "object" => %{"attachment" => child_attachment}} = object
|
|
)
|
|
when length(child_attachment) > 0 do
|
|
media_removal =
|
|
Pleroma.Config.get([:mrf_simple, :media_removal])
|
|
|> MRF.subdomains_regex()
|
|
|
|
object =
|
|
if MRF.subdomain_match?(media_removal, actor_host) do
|
|
child_object = Map.delete(object["object"], "attachment")
|
|
Map.put(object, "object", child_object)
|
|
else
|
|
object
|
|
end
|
|
|
|
{:ok, object}
|
|
end
|
|
|
|
defp check_media_removal(_actor_info, object), do: {:ok, object}
|
|
|
|
defp check_media_nsfw(
|
|
%{host: actor_host} = _actor_info,
|
|
%{
|
|
"type" => "Create",
|
|
"object" => child_object
|
|
} = object
|
|
) do
|
|
media_nsfw =
|
|
Pleroma.Config.get([:mrf_simple, :media_nsfw])
|
|
|> MRF.subdomains_regex()
|
|
|
|
object =
|
|
if MRF.subdomain_match?(media_nsfw, actor_host) do
|
|
tags = (child_object["tag"] || []) ++ ["nsfw"]
|
|
child_object = Map.put(child_object, "tag", tags)
|
|
child_object = Map.put(child_object, "sensitive", true)
|
|
Map.put(object, "object", child_object)
|
|
else
|
|
object
|
|
end
|
|
|
|
{:ok, object}
|
|
end
|
|
|
|
defp check_media_nsfw(_actor_info, object), do: {:ok, object}
|
|
|
|
defp check_ftl_removal(%{host: actor_host} = _actor_info, object) do
|
|
timeline_removal =
|
|
Pleroma.Config.get([:mrf_simple, :federated_timeline_removal])
|
|
|> MRF.subdomains_regex()
|
|
|
|
object =
|
|
with true <- MRF.subdomain_match?(timeline_removal, actor_host),
|
|
user <- User.get_cached_by_ap_id(object["actor"]),
|
|
true <- Pleroma.Constants.as_public() in object["to"] do
|
|
to = List.delete(object["to"], Pleroma.Constants.as_public()) ++ [user.follower_address]
|
|
|
|
cc = List.delete(object["cc"], user.follower_address) ++ [Pleroma.Constants.as_public()]
|
|
|
|
object
|
|
|> Map.put("to", to)
|
|
|> Map.put("cc", cc)
|
|
else
|
|
_ -> object
|
|
end
|
|
|
|
{:ok, object}
|
|
end
|
|
|
|
defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"} = object) do
|
|
report_removal =
|
|
Pleroma.Config.get([:mrf_simple, :report_removal])
|
|
|> MRF.subdomains_regex()
|
|
|
|
if MRF.subdomain_match?(report_removal, actor_host) do
|
|
{:reject, nil}
|
|
else
|
|
{:ok, object}
|
|
end
|
|
end
|
|
|
|
defp check_report_removal(_actor_info, object), do: {:ok, object}
|
|
|
|
defp check_avatar_removal(%{host: actor_host} = _actor_info, %{"icon" => _icon} = object) do
|
|
avatar_removal =
|
|
Pleroma.Config.get([:mrf_simple, :avatar_removal])
|
|
|> MRF.subdomains_regex()
|
|
|
|
if MRF.subdomain_match?(avatar_removal, actor_host) do
|
|
{:ok, Map.delete(object, "icon")}
|
|
else
|
|
{:ok, object}
|
|
end
|
|
end
|
|
|
|
defp check_avatar_removal(_actor_info, object), do: {:ok, object}
|
|
|
|
defp check_banner_removal(%{host: actor_host} = _actor_info, %{"image" => _image} = object) do
|
|
banner_removal =
|
|
Pleroma.Config.get([:mrf_simple, :banner_removal])
|
|
|> MRF.subdomains_regex()
|
|
|
|
if MRF.subdomain_match?(banner_removal, actor_host) do
|
|
{:ok, Map.delete(object, "image")}
|
|
else
|
|
{:ok, object}
|
|
end
|
|
end
|
|
|
|
defp check_banner_removal(_actor_info, object), do: {:ok, object}
|
|
|
|
@impl true
|
|
def filter(%{"actor" => actor} = object) do
|
|
actor_info = URI.parse(actor)
|
|
|
|
with {:ok, object} <- check_accept(actor_info, object),
|
|
{:ok, object} <- check_reject(actor_info, object),
|
|
{:ok, object} <- check_media_removal(actor_info, object),
|
|
{:ok, object} <- check_media_nsfw(actor_info, object),
|
|
{:ok, object} <- check_ftl_removal(actor_info, object),
|
|
{:ok, object} <- check_report_removal(actor_info, object) do
|
|
{:ok, object}
|
|
else
|
|
_e -> {:reject, nil}
|
|
end
|
|
end
|
|
|
|
def filter(%{"id" => actor, "type" => obj_type} = object)
|
|
when obj_type in ["Application", "Group", "Organization", "Person", "Service"] do
|
|
actor_info = URI.parse(actor)
|
|
|
|
with {:ok, object} <- check_accept(actor_info, object),
|
|
{:ok, object} <- check_reject(actor_info, object),
|
|
{:ok, object} <- check_avatar_removal(actor_info, object),
|
|
{:ok, object} <- check_banner_removal(actor_info, object) do
|
|
{:ok, object}
|
|
else
|
|
_e -> {:reject, nil}
|
|
end
|
|
end
|
|
|
|
def filter(object), do: {:ok, object}
|
|
|
|
@impl true
|
|
def describe do
|
|
exclusions = Pleroma.Config.get([:instance, :mrf_transparency_exclusions])
|
|
|
|
mrf_simple =
|
|
Pleroma.Config.get(:mrf_simple)
|
|
|> Enum.map(fn {k, v} -> {k, Enum.reject(v, fn v -> v in exclusions end)} end)
|
|
|> Enum.into(%{})
|
|
|
|
{:ok, %{mrf_simple: mrf_simple}}
|
|
end
|
|
end
|