public class Program
    {
        public static void Main(string[] args)
        {
            var config = new ConfigurationBuilder()
            .AddJsonFile(Path.Combine(Directory.GetCurrentDirectory(),"hosting.json"), optional: false)
            .Build();

            var useHttps = false;

            bool.TryParse(config !=null  ? config["useHttps"] : "false", out useHttps);

            IWebHost host = null;
            if (useHttps)
            {
                var fileInfo = new FileInfo(config["certName"]);
                X509Certificate2 cert = new X509Certificate2(fileInfo.FullName, config["certPwd"]);

                host = new WebHostBuilder()
                    .UseContentRoot(Directory.GetCurrentDirectory())
                    .UseStartup<Startup>()
                    .UseKestrel(options =>
                    {
                        options.Listen(IPAddress.Loopback, 5000);
                        options.Listen(IPAddress.Any, 4430, listenOptions =>
                        {
                            listenOptions.UseHttps(cert);
                        });
                    })
                    .UseIISIntegration()
                    .Build();
            }
            else
            {
                host = new WebHostBuilder()
                    .UseStartup<Startup>()
                    .UseKestrel()
                    .UseContentRoot(Directory.GetCurrentDirectory())
                    .UseIISIntegration()
                    .UseUrls(config["url"])
                    .Build();

            }
            host.Run();


        }
    }

public class NetworkExtensions
    {
        public static IConfiguration Configuration { get; set; }
        public static ILogger Log { get; set; }

        /// <summary>
        /// Flurl to get api
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="requestDto"></param>
        /// <param name="rateLimit">This param is used to Perform OKTA api Retry </param>
        /// <returns></returns>
        public static async Task<T> Get<T>(OktaRequestDto requestDto, OKTARateLimit rateLimit = null)
        {
            using (MiniProfiler.Current.Step("Okta : Get"))
            {

                // OKTA code execution starts here.
                string url = requestDto.BaseUrl
                    .AppendPathSegment(requestDto.ApiName + requestDto.Query);

                // Handle all querystring append.
                if (requestDto.QueryStrings != null && requestDto.QueryStrings.Count > 0)
                {
                    foreach (var querystring in requestDto.QueryStrings.Keys)
                    {
                        //FLURL is encoding the value, To ensure the value is passed correct, added true param to stop default behavior
                        url = url.SetQueryParam(querystring, requestDto.QueryStrings[querystring], true);
                    }
                }

                var response = await url.WithHeader("Authorization", requestDto.ApiKey).GetJsonAsync<T>();


                Log.Information("response  => " + JsonConvert.SerializeObject(response));

                return response;

                catch (FlurlHttpException ex)
                {
                    // there is an OKTA exception, return the default value, The exception is captured in the FLURLConfig
                    OneLoginException ole = new OneLoginException(ex, requestDto);
                    throw ole;

                }
                catch (Exception ex)
                {
                    throw ex;
                }
            }
        }
    }