/**
* @param callable $handler
*
* @return \Closure
*/
public function __invoke(callable $handler)
{
return function (RequestInterface $request, array $options) use(&$handler) {
$url = rawurldecode(str_replace($this->appContext, "", $request->getUri()));
$this->auth->setQueryString($request->getMethod(), $url);
$request = $this->appendHeaders($request);
$request = $this->appendQueryParams($request);
return $handler($request, $options);
};
}