1 defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
3 @behaviour Pleroma.Web.ActivityPub.MRF
5 @mrf_policy Application.get_env(:pleroma, :mrf_simple)
7 @accept Keyword.get(@mrf_policy, :accept)
8 defp check_accept(%{host: actor_host} = actor_info, object)
9 when length(@accept) > 0 and not (actor_host in @accept) do
13 defp check_accept(actor_info, object), do: {:ok, object}
15 @reject Keyword.get(@mrf_policy, :reject)
16 defp check_reject(%{host: actor_host} = actor_info, object) when actor_host in @reject do
20 defp check_reject(actor_info, object), do: {:ok, object}
22 @media_removal Keyword.get(@mrf_policy, :media_removal)
23 defp check_media_removal(%{host: actor_host} = actor_info, %{"type" => "Create"} = object)
24 when actor_host in @media_removal do
25 child_object = Map.delete(object["object"], "attachment")
26 object = Map.put(object, "object", child_object)
30 defp check_media_removal(actor_info, object), do: {:ok, object}
32 @media_nsfw Keyword.get(@mrf_policy, :media_nsfw)
33 defp check_media_nsfw(
34 %{host: actor_host} = actor_info,
37 "object" => %{"attachment" => child_attachment} = child_object
40 when actor_host in @media_nsfw and length(child_attachment) > 0 do
41 tags = (child_object["tag"] || []) ++ ["nsfw"]
42 child_object = Map.put(child_object, "tags", tags)
43 child_object = Map.put(child_object, "sensitive", true)
44 object = Map.put(object, "object", child_object)
48 defp check_media_nsfw(actor_info, object), do: {:ok, object}
50 @ftl_removal Keyword.get(@mrf_policy, :federated_timeline_removal)
51 defp check_ftl_removal(%{host: actor_host} = actor_info, object)
52 when actor_host in @ftl_removal do
53 user = User.get_by_ap_id(object["actor"])
55 # flip to/cc relationship to make the post unlisted
57 if "https://www.w3.org/ns/activitystreams#Public" in object["to"] and
58 user.follower_address in object["cc"] do
60 List.delete(object["to"], "https://www.w3.org/ns/activitystreams#Public") ++
61 [user.follower_address]
64 List.delete(object["cc"], user.follower_address) ++
65 ["https://www.w3.org/ns/activitystreams#Public"]
77 defp check_ftl_removal(actor_info, object), do: {:ok, object}
81 actor_info = URI.parse(object["actor"])
83 with {:ok, object} <- check_accept(actor_info, object),
84 {:ok, object} <- check_reject(actor_info, object),
85 {:ok, object} <- check_media_removal(actor_info, object),
86 {:ok, object} <- check_media_nsfw(actor_info, object),
87 {:ok, object} <- check_ftl_removal(actor_info, object) do