# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
%{host: actor_host} = _actor_info,
%{
"type" => "Create",
- "object" => child_object
+ "object" => %{} = _child_object
} = object
) do
media_nsfw =
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)
+ Kernel.put_in(object, ["object", "sensitive"], true)
else
object
end
{:ok, object}
end
- defp check_silence(%{host: actor_host} = _actor_info, object) do
- silence =
- Config.get([:mrf_simple, :silence])
+ defp intersection(list1, list2) do
+ list1 -- list1 -- list2
+ end
+
+ defp check_followers_only(%{host: actor_host} = _actor_info, object) do
+ followers_only =
+ Config.get([:mrf_simple, :followers_only])
|> MRF.subdomains_regex()
object =
- with true <- MRF.subdomain_match?(silence, actor_host),
+ with true <- MRF.subdomain_match?(followers_only, actor_host),
user <- User.get_cached_by_ap_id(object["actor"]) do
# Don't use Map.get/3 intentionally, these must not be nil
fixed_to = object["to"] || []
cc = FollowingRelationship.followers_ap_ids(user, fixed_cc)
object
- |> Map.put("to", [user.follower_address] ++ to)
- |> Map.put("cc", cc)
+ |> Map.put("to", intersection([user.follower_address | to], fixed_to))
+ |> Map.put("cc", intersection([user.follower_address | cc], fixed_cc))
else
_ -> object
end
{: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_silence(actor_info, object),
+ {:ok, object} <- check_followers_only(actor_info, object),
{:ok, object} <- check_report_removal(actor_info, object) do
{:ok, object}
else
{:ok, %{mrf_simple: mrf_simple}}
end
+
+ @impl true
+ def config_description do
+ %{
+ key: :mrf_simple,
+ related_policy: "Pleroma.Web.ActivityPub.MRF.SimplePolicy",
+ label: "MRF Simple",
+ description: "Simple ingress policies",
+ children: [
+ %{
+ key: :media_removal,
+ type: {:list, :string},
+ description: "List of instances to strip media attachments from",
+ suggestions: ["example.com", "*.example.com"]
+ },
+ %{
+ key: :media_nsfw,
+ label: "Media NSFW",
+ type: {:list, :string},
+ description: "List of instances to tag all media as NSFW (sensitive) from",
+ suggestions: ["example.com", "*.example.com"]
+ },
+ %{
+ key: :federated_timeline_removal,
+ type: {:list, :string},
+ description:
+ "List of instances to remove from the Federated (aka The Whole Known Network) Timeline",
+ suggestions: ["example.com", "*.example.com"]
+ },
+ %{
+ key: :reject,
+ type: {:list, :string},
+ description: "List of instances to reject activities from (except deletes)",
+ suggestions: ["example.com", "*.example.com"]
+ },
+ %{
+ key: :accept,
+ type: {:list, :string},
+ description: "List of instances to only accept activities from (except deletes)",
+ suggestions: ["example.com", "*.example.com"]
+ },
+ %{
+ key: :followers_only,
+ type: {:list, :string},
+ description: "Force posts from the given instances to be visible by followers only",
+ suggestions: ["example.com", "*.example.com"]
+ },
+ %{
+ key: :report_removal,
+ type: {:list, :string},
+ description: "List of instances to reject reports from",
+ suggestions: ["example.com", "*.example.com"]
+ },
+ %{
+ key: :avatar_removal,
+ type: {:list, :string},
+ description: "List of instances to strip avatars from",
+ suggestions: ["example.com", "*.example.com"]
+ },
+ %{
+ key: :banner_removal,
+ type: {:list, :string},
+ description: "List of instances to strip banners from",
+ suggestions: ["example.com", "*.example.com"]
+ },
+ %{
+ key: :reject_deletes,
+ type: {:list, :string},
+ description: "List of instances to reject deletions from",
+ suggestions: ["example.com", "*.example.com"]
+ }
+ ]
+ }
+ end
end