implement invisible support for remote users

lib/pleroma/user/info.ex

@@ -267,7 +267,8 @@ defmodule Pleroma.User.Info do
       :follower_count,
       :fields,
       :following_count,
-      :discoverable
+      :discoverable,
+      :invisible
     ])
     |> validate_fields(true)
   end

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -1107,6 +1107,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     data = Transmogrifier.maybe_fix_user_object(data)
     discoverable = data["discoverable"] || false
 
+    invisible =
+      if is_list(data["type"]) do
+        Enum.member?(data["type"], "Invisible")
+      else
+        false
+      end
+
     user_data = %{
       ap_id: data["id"],
       info: %{
@@ -1115,7 +1122,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
         banner: banner,
         fields: fields,
         locked: locked,
-        discoverable: discoverable
+        discoverable: discoverable,
+        invisible: invisible
       },
       avatar: avatar,
       name: data["name"],

lib/pleroma/web/activity_pub/transmogrifier.ex

@@ -596,13 +596,20 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
           data,
         _options
       )
-      when object_type in ["Person", "Application", "Service", "Organization"] do
+      when object_type in [
+             "Person",
+             "Application",
+             "Service",
+             "Organization",
+             ["Application", "Invisible"]
+           ] do
     with %User{ap_id: ^actor_id} = actor <- User.get_cached_by_ap_id(object["id"]) do
       {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
 
       banner = new_user_data[:info][:banner]
       locked = new_user_data[:info][:locked] || false
       attachment = get_in(new_user_data, [:info, :source_data, "attachment"]) || []
+      invisible = new_user_data[:info][:invisible] || false
 
       fields =
         attachment
@@ -612,7 +619,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
       update_data =
         new_user_data
         |> Map.take([:name, :bio, :avatar])
-        |> Map.put(:info, %{banner: banner, locked: locked, fields: fields})
+        |> Map.put(:info, %{banner: banner, locked: locked, fields: fields, invisible: invisible})
 
       actor
       |> User.upgrade_changeset(update_data, true)

lib/pleroma/web/activity_pub/utils.ex

@@ -491,10 +491,14 @@ defmodule Pleroma.Web.ActivityPub.Utils do
         %Activity{data: %{"actor" => actor}},
         object
       ) do
-    announcements = take_announcements(object)
+    unless actor |> User.get_cached_by_ap_id() |> User.invisible?() do
+      announcements = take_announcements(object)
 
-    with announcements <- Enum.uniq([actor | announcements]) do
-      update_element_in_object("announcement", announcements, object)
+      with announcements <- Enum.uniq([actor | announcements]) do
+        update_element_in_object("announcement", announcements, object)
+      end
+    else
+      {:ok, object}
     end
   end