+# 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.SimplePolicy do
alias Pleroma.User
+ @moduledoc "Filter activities depending on their origin instance"
@behaviour Pleroma.Web.ActivityPub.MRF
defp check_accept(%{host: actor_host} = _actor_info, object) do
%{host: actor_host} = _actor_info,
%{
"type" => "Create",
- "object" => %{"attachment" => child_attachment} = child_object
+ "object" => child_object
} = object
- )
- when length(child_attachment) > 0 do
+ ) do
object =
if Enum.member?(Pleroma.Config.get([:mrf_simple, :media_nsfw]), actor_host) do
tags = (child_object["tag"] || []) ++ ["nsfw"]
- child_object = Map.put(child_object, "tags", tags)
+ child_object = Map.put(child_object, "tag", tags)
child_object = Map.put(child_object, "sensitive", true)
Map.put(object, "object", child_object)
else
actor_host
),
user <- User.get_cached_by_ap_id(object["actor"]),
- true <- "https://www.w3.org/ns/activitystreams#Public" in object["to"],
- true <- user.follower_address in object["cc"] do
+ true <- "https://www.w3.org/ns/activitystreams#Public" in object["to"] do
to =
List.delete(object["to"], "https://www.w3.org/ns/activitystreams#Public") ++
[user.follower_address]
{:ok, object}
end
+ defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"} = object) do
+ if actor_host in Pleroma.Config.get([:mrf_simple, :report_removal]) 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
+ if actor_host in Pleroma.Config.get([:mrf_simple, :avatar_removal]) 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
+ if actor_host in Pleroma.Config.get([:mrf_simple, :banner_removal]) 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(object) do
- actor_info = URI.parse(object["actor"])
+ 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) do
+ {: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_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}
end