Merge branch 'feat/rich-media-improvements' into 'develop'
[akkoma] / lib / pleroma / web / activity_pub / mrf / simple_policy.ex
index 4dce22cfa4cbbb5e757e6d143cb925d56c522086..bb193475ab12a47f0aa6967584368b36b3373f33 100644 (file)
@@ -109,13 +109,17 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
     {:ok, object}
   end
 
-  defp check_silence(%{host: actor_host} = _actor_info, object) do
-    silence =
-      Config.get([:mrf_simple, :silence])
+  defp intersection(list1, list2) do
+    list1 -- list1 -- list2
+  end
+
+  defp check_followers_only(%{host: actor_host} = _actor_info, object) do
+    followers_only =
+      Config.get([:mrf_simple, :followers_only])
       |> MRF.subdomains_regex()
 
     object =
-      with true <- MRF.subdomain_match?(silence, actor_host),
+      with true <- MRF.subdomain_match?(followers_only, actor_host),
            user <- User.get_cached_by_ap_id(object["actor"]) do
         # Don't use Map.get/3 intentionally, these must not be nil
         fixed_to = object["to"] || []
@@ -125,8 +129,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
         cc = FollowingRelationship.followers_ap_ids(user, fixed_cc)
 
         object
-        |> Map.put("to", [user.follower_address] ++ to)
-        |> Map.put("cc", cc)
+        |> Map.put("to", intersection([user.follower_address | to], fixed_to))
+        |> Map.put("cc", intersection([user.follower_address | cc], fixed_cc))
       else
         _ -> object
       end
@@ -200,7 +204,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
          {:ok, object} <- check_media_removal(actor_info, object),
          {:ok, object} <- check_media_nsfw(actor_info, object),
          {:ok, object} <- check_ftl_removal(actor_info, object),
-         {:ok, object} <- check_silence(actor_info, object),
+         {:ok, object} <- check_followers_only(actor_info, object),
          {:ok, object} <- check_report_removal(actor_info, object) do
       {:ok, object}
     else