ActivityPub: Add new 'capabilities' to user.

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -1224,7 +1224,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
       end)
 
     locked = data["manuallyApprovesFollowers"] || false
-    accepts_chat_messages = data["acceptsChatMessages"]
+    capabilities = data["capabilities"] || %{}
+    accepts_chat_messages = capabilities["acceptsChatMessages"]
     data = Transmogrifier.maybe_fix_user_object(data)
     discoverable = data["discoverable"] || false
     invisible = data["invisible"] || false

lib/pleroma/web/activity_pub/views/user_view.ex

@@ -81,7 +81,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do
 
     fields = Enum.map(user.fields, &Map.put(&1, "type", "PropertyValue"))
 
-    chat_message_acceptance =
+    capabilities =
       if is_boolean(user.accepts_chat_messages) do
         %{
           "acceptsChatMessages" => user.accepts_chat_messages
@@ -110,9 +110,9 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       "endpoints" => endpoints,
       "attachment" => fields,
       "tag" => emoji_tags,
-      "discoverable" => user.discoverable
+      "discoverable" => user.discoverable,
+      "capabilities" => capabilities
     }
-    |> Map.merge(chat_message_acceptance)
     |> Map.merge(maybe_make_image(&User.avatar_url/2, "icon", user))
     |> Map.merge(maybe_make_image(&User.banner_url/2, "image", user))
     |> Map.merge(Utils.make_json_ld_header())