Add support for local quote stamps (#35626)

app/serializers/activitypub/quote_authorization_serializer.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class ActivityPub::QuoteAuthorizationSerializer < ActivityPub::Serializer
+  include RoutingHelper
+
+  context_extensions :quote_authorizations
+
+  attributes :id, :type, :attributed_to, :interacting_object, :interaction_target
+
+  def id
+    ActivityPub::TagManager.instance.approval_uri_for(object)
+  end
+
+  def type
+    'QuoteAuthorization'
+  end
+
+  def attributed_to
+    ActivityPub::TagManager.instance.uri_for(object.quoted_account)
+  end
+
+  def interaction_target
+    ActivityPub::TagManager.instance.uri_for(object.quoted_status)
+  end
+
+  def interacting_object
+    ActivityPub::TagManager.instance.uri_for(object.status)
+  end
+end