/**
  * Returns base URL, with scheme, host and port, for current request context.
  * If no delivery URL is configured for current SiteAccess, will return base URL from current RequestContext.
  *
  * @return string
  */
 protected function getBaseUrl()
 {
     $port = '';
     if ($this->requestContext->getScheme() === 'https' && $this->requestContext->getHttpsPort() != 443) {
         $port = ":{$this->requestContext->getHttpsPort()}";
     }
     if ($this->requestContext->getScheme() === 'http' && $this->requestContext->getHttpPort() != 80) {
         $port = ":{$this->requestContext->getHttpPort()}";
     }
     $baseUrl = $this->requestContext->getBaseUrl();
     if (substr($this->requestContext->getBaseUrl(), -4) === '.php') {
         $baseUrl = pathinfo($this->requestContext->getBaseurl(), PATHINFO_DIRNAME);
     }
     $baseUrl = rtrim($baseUrl, '/\\');
     return sprintf('%s://%s%s%s', $this->requestContext->getScheme(), $this->requestContext->getHost(), $port, $baseUrl);
 }