public Task <bool> IsOriginAllowedAsync(string origin)
{
var distinctOrigins = _clientprovider.QueryAllowedCorsOrigins();
var isAllowed = distinctOrigins.Contains(origin, StringComparer.OrdinalIgnoreCase);
_logger.LogDebug("Origin {origin} is allowed: {originAllowed}", origin, isAllowed);
return(Task.FromResult(isAllowed));
}