1 defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
4 @mrf_policy Application.get_env(:pleroma, :mrf_simple)
6 @reject Keyword.get(@mrf_policy, :reject)
7 defp check_reject(actor_info, object) do
8 if actor_info.host in @reject do
15 @media_removal Keyword.get(@mrf_policy, :media_removal)
16 defp check_media_removal(actor_info, object) do
17 if actor_info.host in @media_removal do
18 object = Map.delete(object, "attachments")
24 @media_nsfw Keyword.get(@mrf_policy, :media_nsfw)
25 defp check_media_nsfw(actor_info, object) do
26 child_object = object["object"]
28 if actor_info.host in @media_nsfw and child_object["attachment"] != nil and
29 length(child_object["attachment"]) > 0 do
30 tags = (child_object["tag"] || []) ++ ["nsfw"]
31 child_object = Map.put(child_object, "tags", tags)
32 child_object = Map.put(child_object, "sensitive", true)
33 object = Map.put(object, "object", child_object)
39 @ftl_removal Keyword.get(@mrf_policy, :federated_timeline_removal)
40 defp check_ftl_removal(actor_info, object) do
41 if actor_info.host in @ftl_removal do
42 user = User.get_by_ap_id(object["actor"])
44 # flip to/cc relationship to make the post unlisted
45 if "https://www.w3.org/ns/activitystreams#Public" in object["to"] and
46 user.follower_address in object["cc"] do
48 List.delete(object["to"], "https://www.w3.org/ns/activitystreams#Public") ++
49 [user.follower_address]
52 List.delete(object["cc"], user.follower_address) ++
53 ["https://www.w3.org/ns/activitystreams#Public"]
55 object = Map.put(object, "to", to)
56 object = Map.put(object, "cc", cc)
64 actor_info = URI.parse(object["actor"])
66 with {:ok, object} <- check_reject(actor_info, object),
67 {:ok, object} <- check_media_removal(actor_info, object),
68 {:ok, object} <- check_media_nsfw(actor_info, object),
69 {:ok, object} <- check_ftl_removal(actor_info, object) do