/**
  * @param string $url
  *
  * @return Response
  */
 protected function doGet($url)
 {
     $ch = curl_init();
     curl_setopt($ch, CURLOPT_URL, $url);
     curl_setopt($ch, CURLOPT_POST, false);
     curl_setopt($ch, CURLOPT_HEADER, false);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
     curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
     curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
     curl_setopt($ch, CURLOPT_HTTPHEADER, $this->getHttpHeader());
     curl_setopt($ch, CURLOPT_COOKIEJAR, $this->configuration->getCookieFilePath());
     curl_setopt($ch, CURLOPT_COOKIEFILE, $this->configuration->getCookieFilePath());
     curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->configuration->getConnectionTimeout());
     $response = new Response(utf8_decode(curl_exec($ch)), curl_getinfo($ch, CURLINFO_HTTP_CODE), curl_error($ch));
     curl_close($ch);
     return $response;
 }