ACMESharp.AcmeClientUnitTests.Test0141_HandleHttpChallenge C# (CSharp) Method

        public void Test0141_HandleHttpChallenge()
        {
            using (var signer = new RS256Signer())
            {
                signer.Init();
                using (var fs = new FileStream(_testRegister_AcmeSignerFile, FileMode.Open))
                {
                    signer.Load(fs);
                }

                AcmeRegistration reg;
                using (var fs = new FileStream(_testRegister_AcmeRegFile, FileMode.Open))
                {
                    reg = AcmeRegistration.Load(fs);
                }

                using (var client = BuildClient(testTagHeader: nameof(Test0141_HandleHttpChallenge)))
                {
                    client.RootUrl = _rootUrl;
                    client.Signer = signer;
                    client.Registration = reg;
                    client.Init();

                    client.GetDirectory(true);

                    AuthorizationState authzState;
                    using (var fs = new FileStream(_testAuthz_AcmeAuthzFile, FileMode.Open))
                    {
                        authzState = AuthorizationState.Load(fs);
                    }

                    var authzChallenge = client.GenerateAuthorizeChallengeAnswer(authzState,
                            AcmeProtocol.CHALLENGE_TYPE_HTTP);
                    _testAuthzChallengeHttpHandled_AcmeAuthzFile = $"{_baseLocalStore}\\140-TestAuthz-ChallengeAnswersHandleHttp.acmeAuthz";
                    using (var fs = new FileStream(_testAuthzChallengeHttpHandled_AcmeAuthzFile, FileMode.Create))
                    {
                        authzState.Save(fs);
                    }

                    var wsFilePath = authzChallenge.OldChallengeAnswer.Key;
                    var wsFileBody = authzChallenge.OldChallengeAnswer.Value;

                    var wsInfo = WebServerInfo.Load(File.ReadAllText("config\\webServerInfo.json"));
                    using (var s = new MemoryStream(Encoding.UTF8.GetBytes(wsFileBody)))
                    {
                        var fileUrl = new Uri($"http://{authzState.Identifier}/{wsFilePath}");
                        wsInfo.Provider.UploadFile(fileUrl, s);
                    }
                }
            }

            Thread.Sleep(90 * 1000);
        }