class ActionDispatch::Request

def GET
  fetch_header("action_dispatch.request.query_parameters") do |k|
    rack_query_params = super || {}
    controller = path_parameters[:controller]
    action = path_parameters[:action]
    rack_query_params = Request::Utils.set_binary_encoding(self, rack_query_params, controller, action)
    # Check for non UTF-8 parameter values, which would cause errors later
    Request::Utils.check_param_encoding(rack_query_params)
    set_header k, Request::Utils.normalize_encode_params(rack_query_params)
  end
rescue Rack::Utils::ParameterTypeError, Rack::Utils::InvalidParameterError, Rack::QueryParser::ParamsTooDeepError => e
  raise ActionController::BadRequest.new("Invalid query parameters: #{e.message}")
end