private function getOAuthHeader($location, $request)
{
try {
$oauth = new OAuthSimple($this->getAccountId(), $this->getSharedKey());
$oauth->setAction("POST");
$oauth->genBodyHash($request);
$parse = parse_url($location);
$port = (isset($parse["port"]) and ($parse["port"] == '80' or $parse["port"] == '443')) ? '' : !isset($parse["port"]) ? '' : ':' . $parse["port"];
if (!is_null($this->language)) {
$oauth->setParameters(array('lang' => $this->language));
}
$oauth->setPath($parse["scheme"] . '://' . $parse["host"] . $port . $parse["path"]);
$header_string = $oauth->getHeaderString();
$oauth->reset();
} catch (Exception $e) {
throw new TurnitinSDKException('oautherror', $e->getMessage(), $this->getLogPath());
}
return $header_string;
}