Fix Mastodon incoming edits with inlined "likes"

Signed-off-by: mkljczk <git@mkljczk.pl>

lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex

@@ -85,6 +85,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.ArticleNotePageValidator do
     |> fix_replies()
     |> fix_attachments()
     |> CommonFixes.fix_quote_url()
+    |> CommonFixes.fix_likes()
     |> Transmogrifier.fix_emoji()
     |> Transmogrifier.fix_content_map()
   end

lib/pleroma/web/activity_pub/object_validators/audio_image_video_validator.ex

@@ -100,6 +100,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AudioImageVideoValidator do
     |> CommonFixes.fix_actor()
     |> CommonFixes.fix_object_defaults()
     |> CommonFixes.fix_quote_url()
+    |> CommonFixes.fix_likes()
     |> Transmogrifier.fix_emoji()
     |> fix_url()
     |> fix_content()

lib/pleroma/web/activity_pub/object_validators/common_fixes.ex

@@ -114,6 +114,13 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes do
 
   def fix_quote_url(data), do: data
 
+  # On Mastodon, `"likes"` attribute includes an inlined `Collection` with `totalItems`,
+  # not a list of users.
+  # https://github.com/mastodon/mastodon/pull/32007
+  def fix_likes(%{"likes" => %{}} = data), do: Map.drop(data, ["likes"])
+
+  def fix_likes(data), do: data
+
   # https://codeberg.org/fediverse/fep/src/branch/main/fep/e232/fep-e232.md
   def object_link_tag?(%{
         "type" => "Link",

lib/pleroma/web/activity_pub/object_validators/event_validator.ex

@@ -47,6 +47,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EventValidator do
     data
     |> CommonFixes.fix_actor()
     |> CommonFixes.fix_object_defaults()
+    |> CommonFixes.fix_likes()
     |> Transmogrifier.fix_emoji()
   end
 

lib/pleroma/web/activity_pub/object_validators/question_validator.ex

@@ -64,6 +64,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.QuestionValidator do
     |> CommonFixes.fix_actor()
     |> CommonFixes.fix_object_defaults()
     |> CommonFixes.fix_quote_url()
+    |> CommonFixes.fix_likes()
     |> Transmogrifier.fix_emoji()
     |> fix_closed()
   end