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"]
27 if actor_info.host in @media_nsfw and child_object["attachment"] != nil and length(child_object["attachment"]) > 0 do
28 tags = (child_object["tag"] || []) ++ ["nsfw"]
29 child_object = Map.put(child_object, "tags", tags)
30 child_object = Map.put(child_object, "sensitive", true)
31 object = Map.put(object, "object", child_object)
37 @ftl_removal Keyword.get(@mrf_policy, :federated_timeline_removal)
38 defp check_ftl_removal(actor_info, object) do
39 if actor_info.host in @ftl_removal do
40 user = User.get_by_ap_id(object["actor"])
42 # flip to/cc relationship to make the post unlisted
43 if "https://www.w3.org/ns/activitystreams#Public" in object["to"] and user.follower_address in object["cc"] do
44 to = List.delete(object["to"], "https://www.w3.org/ns/activitystreams#Public") ++ [user.follower_address]
45 cc = List.delete(object["cc"], user.follower_address) ++ ["https://www.w3.org/ns/activitystreams#Public"]
47 object = Map.put(object, "to", to)
48 object = Map.put(object, "cc", cc)
56 actor_info = URI.parse(object["actor"])
58 with {:ok, object} <- check_reject(actor_info, object),
59 {:ok, object} <- check_media_removal(actor_info, object),
60 {:ok, object} <- check_media_nsfw(actor_info, object),
61 {:ok, object} <- check_ftl_removal(actor_info, object) do