private function setHeaders()
{
$sb = new SignatureBuilder();
$date = new DateTime("now", new DateTimeZone("GMT"));
// Define the Date field using the proper GMT format
$this->request->setHeader('Date', $date->format("D, d M Y H:i:s") . " GMT");
// Generate the Auth field value by concatenating the public server access key w/ the private query signature for this request
$this->request->setHeader("Authorization", "VWS " . $this->access_key . ":" . $sb->tmsSignature($this->request, $this->secret_key));
}
protected function updateHeaders($request)
{
// Define the Date and Authentication headers
$date = new DateTime("now", new DateTimeZone("GMT"));
// Define the Date field using the proper GMT format
$request->setHeader('Date', $date->format("D, d M Y H:i:s") . " GMT");
// Generate the Auth field value by concatenating the public server access key w/ the private query signature for this request
$request->setHeader("Authorization", "VWS " . $this->accessKey . ":" . $this->signatureBuilder->tmsSignature($request, $this->secretKey));
}
