class Rails::HTML::PermitScrubber

def scrub_attributes(node)
  if @attributes
    node.attribute_nodes.each do |attr|
      if scrub_attribute?(attr.name)
        attr.remove
      else
        scrub_attribute(node, attr)
      end
    end
    scrub_css_attribute(node)
  else
    Loofah::HTML5::Scrub.scrub_attributes(node)
  end
end