ServiceStack.HttpRequestExtensions.GetDirectoryPath C# (CSharp) Method

        public static string GetDirectoryPath(this IRequest request)
        {
            if (request == null)
                return null;

            var path = request.PathInfo;
            return IsNullOrEmpty(path) || path[path.Length - 1] == '/'
                ? path
                : path.Substring(0, path.LastIndexOf('/') + 1);
        }