/// <summary>
/// Finds out if the <paramref name="requestOrigin"/> (URI) belongs to current site's administration
/// so the request origin can be considered as trusted.
/// </summary>
/// <param name="requestOrigin">URI of the request origin</param>
/// <returns>True, if the requestHeaders origin domain is one of current site's domains</returns>
private static bool IsCurrentSiteOrigin(string requestOrigin)
{
if (requestOrigin == null)
{
return(false);
}
string originSiteName = SiteInfoProvider.GetSiteNameFromUrl(requestOrigin);
string currentSiteName = SiteContext.CurrentSite.SiteName;
return(String.Equals(originSiteName, currentSiteName, StringComparison.InvariantCultureIgnoreCase));
}