# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# 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 MRF
+ @behaviour Pleroma.Web.ActivityPub.MRF
+
+ require Pleroma.Constants
defp check_accept(%{host: actor_host} = _actor_info, object) do
accepts =
object =
with true <- MRF.subdomain_match?(timeline_removal, actor_host),
user <- User.get_cached_by_ap_id(object["actor"]),
- 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]
+ 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) ++
- ["https://www.w3.org/ns/activitystreams#Public"]
+ cc = List.delete(object["cc"], user.follower_address) ++ [Pleroma.Constants.as_public()]
object
|> Map.put("to", to)
defp check_banner_removal(_actor_info, object), do: {:ok, object}
+ @impl true
+ def filter(%{"type" => "Delete", "actor" => actor} = object) do
+ %{host: actor_host} = URI.parse(actor)
+
+ reject_deletes =
+ Pleroma.Config.get([:mrf_simple, :reject_deletes])
+ |> MRF.subdomains_regex()
+
+ if MRF.subdomain_match?(reject_deletes, actor_host) do
+ {:reject, nil}
+ else
+ {:ok, object}
+ end
+ end
+
@impl true
def filter(%{"actor" => actor} = object) do
actor_info = URI.parse(actor)
when obj_type in ["Application", "Group", "Organization", "Person", "Service"] do
actor_info = URI.parse(actor)
- with {:ok, object} <- check_avatar_removal(actor_info, object),
+ 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
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