# 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 Pleroma.Web.ActivityPub.MRF
+ alias Pleroma.Config
+ alias Pleroma.User
+ alias Pleroma.Web.ActivityPub.MRF
+
require Pleroma.Constants
defp check_accept(%{host: actor_host} = _actor_info, object) do
accepts =
- Pleroma.Config.get([:mrf_simple, :accept])
+ 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}
+ actor_host == Config.get([Pleroma.Web.Endpoint, :url, :host]) -> {:ok, object}
MRF.subdomain_match?(accepts, actor_host) -> {:ok, object}
- true -> {:reject, nil}
+ true -> {:reject, "[SimplePolicy] host not in accept list"}
end
end
defp check_reject(%{host: actor_host} = _actor_info, object) do
rejects =
- Pleroma.Config.get([:mrf_simple, :reject])
+ Config.get([:mrf_simple, :reject])
|> MRF.subdomains_regex()
if MRF.subdomain_match?(rejects, actor_host) do
- {:reject, nil}
+ {:reject, "[SimplePolicy] host in reject list"}
else
{:ok, object}
end
)
when length(child_attachment) > 0 do
media_removal =
- Pleroma.Config.get([:mrf_simple, :media_removal])
+ Config.get([:mrf_simple, :media_removal])
|> MRF.subdomains_regex()
object =
} = object
) do
media_nsfw =
- Pleroma.Config.get([:mrf_simple, :media_nsfw])
+ Config.get([:mrf_simple, :media_nsfw])
|> MRF.subdomains_regex()
object =
defp check_ftl_removal(%{host: actor_host} = _actor_info, object) do
timeline_removal =
- Pleroma.Config.get([:mrf_simple, :federated_timeline_removal])
+ Config.get([:mrf_simple, :federated_timeline_removal])
|> MRF.subdomains_regex()
object =
defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"} = object) do
report_removal =
- Pleroma.Config.get([:mrf_simple, :report_removal])
+ Config.get([:mrf_simple, :report_removal])
|> MRF.subdomains_regex()
if MRF.subdomain_match?(report_removal, actor_host) do
- {:reject, nil}
+ {:reject, "[SimplePolicy] host in report_removal list"}
else
{:ok, object}
end
defp check_avatar_removal(%{host: actor_host} = _actor_info, %{"icon" => _icon} = object) do
avatar_removal =
- Pleroma.Config.get([:mrf_simple, :avatar_removal])
+ Config.get([:mrf_simple, :avatar_removal])
|> MRF.subdomains_regex()
if MRF.subdomain_match?(avatar_removal, actor_host) do
defp check_banner_removal(%{host: actor_host} = _actor_info, %{"image" => _image} = object) do
banner_removal =
- Pleroma.Config.get([:mrf_simple, :banner_removal])
+ Config.get([:mrf_simple, :banner_removal])
|> MRF.subdomains_regex()
if MRF.subdomain_match?(banner_removal, actor_host) do
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 =
+ Config.get([:mrf_simple, :reject_deletes])
+ |> MRF.subdomains_regex()
+
+ if MRF.subdomain_match?(reject_deletes, actor_host) do
+ {:reject, "[SimplePolicy] host in reject_deletes list"}
+ else
+ {:ok, object}
+ end
+ end
+
@impl true
def filter(%{"actor" => actor} = object) do
actor_info = URI.parse(actor)
{:ok, object} <- check_report_removal(actor_info, object) do
{:ok, object}
else
- _e -> {:reject, nil}
+ {:reject, nil} -> {:reject, "[SimplePolicy]"}
+ {:reject, _} = e -> e
+ _ -> {:reject, "[SimplePolicy]"}
end
end
{:ok, object} <- check_banner_removal(actor_info, object) do
{:ok, object}
else
- _e -> {:reject, nil}
+ {:reject, nil} -> {:reject, "[SimplePolicy]"}
+ {:reject, _} = e -> e
+ _ -> {:reject, "[SimplePolicy]"}
end
end
@impl true
def describe do
- exclusions = Pleroma.Config.get([:instance, :mrf_transparency_exclusions])
+ exclusions = Config.get([:mrf, :transparency_exclusions])
mrf_simple =
- Pleroma.Config.get(:mrf_simple)
+ Config.get(:mrf_simple)
|> Enum.map(fn {k, v} -> {k, Enum.reject(v, fn v -> v in exclusions end)} end)
|> Enum.into(%{})