Merge branch 'develop' of https://git.pleroma.social/pleroma/pleroma into develop

CHANGELOG.md

@@ -32,6 +32,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Remote users can no longer reappear after being deleted.
 - Deactivated users may now be deleted.
 - Mix task `pleroma.database prune_objects`
+- Fixed rendering of JSON errors on ActivityPub endpoints.
 - Linkify: Parsing crash with URLs ending in unbalanced closed paren, no path separator, and no query parameters
 
 ### Removed

config/config.exs

@@ -463,7 +463,7 @@
   enabled: true,
   limit: 5_000
 
-config :phoenix, :format_encoders, json: Jason
+config :phoenix, :format_encoders, json: Jason, "activity+json": Jason
 
 config :phoenix, :json_library, Jason
 

lib/pleroma/web/activity_pub/visibility.ex

@@ -57,6 +57,7 @@ def is_list?(%{data: %{"listMessage" => _}}), do: true
   def is_list?(_), do: false
 
   @spec visible_for_user?(Object.t() | Activity.t() | nil, User.t() | nil) :: boolean()
+  def visible_for_user?(%Object{data: %{"type" => "Tombstone"}}, _), do: false
   def visible_for_user?(%Activity{actor: ap_id}, %User{ap_id: ap_id}), do: true
   def visible_for_user?(%Object{data: %{"actor" => ap_id}}, %User{ap_id: ap_id}), do: true
   def visible_for_user?(nil, _), do: false