public void TimeCorrection_TotpComputeTotpSpecificDateWithCorrection()
{
var correction = new TimeCorrection(DateTime.UtcNow.AddSeconds(100)); // 100 ensures that at a minimum we are 3 steps away
var correctedTotp = new Totp(OtpCalculationTests.RfcTestKey, timeCorrection: correction);
var specificCode = correctedTotp.ComputeTotp(DateTime.UtcNow);
var utcCode = correctedTotp.ComputeTotp();
Assert.AreEqual(specificCode, utcCode, "The 2 compute totp overloads didn't produce the same results");
}
public void ShowCodes(bool isShowCodes)
{
if (isShowCodes)
{
this.Code = totp.ComputeTotp();
this.NextCode = totp.ComputeTotp(DateTime.UtcNow.AddSeconds(30));
}
else
{
this.Code = null;
this.NextCode = null;
}
}
public void TotpUtcOverload()
{
var totp = new Totp(OtpCalculationTests.RfcTestKey);
// we don't want this test to barely hit the time window crossover.
// If there is at least 1 remaining second we should be OK
while (totp.RemainingSeconds() == 0)
{
Thread.Sleep(100);
}
var code1 = totp.ComputeTotp(DateTime.UtcNow);
var code2 = totp.ComputeTotp();
Assert.AreEqual(code1, code2);
}
public static object GetKey2FA(string key)
{
object result;
try
{
object obj;
try
{
byte[] array = Base32Encoding.ToBytes(key.Trim().Replace(" ", ""));
Totp totp = new Totp(array, 30, 0, 6, null);
obj = totp.ComputeTotp(DateTime.UtcNow);
goto IL_44;
}
catch (Exception)
{
}
obj = null;
IL_44:
result = obj;
}
catch (Exception exception)
{
return("");
}
return(result);
}
private async Task <ResultWithError <ErrorData> > Process(GenerateRemoteMultiFactorAuthCodeCommand request, CancellationToken cancellationToken)
{
var currentUserMaybe = this._currentUserService.CurrentUser;
if (currentUserMaybe.HasNoValue)
{
return(ResultWithError.Fail(new ErrorData(ErrorCodes.UserNotFound)));
}
var userMaybe =
await this._userRepository.Find(this._currentUserService.CurrentUser.Value.UserId, cancellationToken);
if (userMaybe.HasNoValue)
{
return(ResultWithError.Fail(new ErrorData(ErrorCodes.UserNotFound)));
}
var user = userMaybe.Value;
var totp = new Totp(user.SecurityStamp.ToByteArray());
var generated = totp.ComputeTotp();
user.AddDomainEvent(new MfaTokenGeneratedEvent(
request.TwoFactorProvider,
user.Id,
generated));
return(ResultWithError.Ok <ErrorData>());
}
void otpCopyToolStripItem_Click(object sender, EventArgs e)
{
PwEntry entry;
if (this.GetSelectedSingleEntry(out entry))
{
if (!entry.Strings.Exists(OtpAuthData.StringDictionaryKey))
{
if (MessageBox.Show("Must configure TOTP on this entry. Do you want to do this now?", "Not Configured", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
ShowOneTimePasswords form = new ShowOneTimePasswords(entry, host);
form.ShowDialog();
}
}
else
{
var data = OtpAuthData.FromString(entry.Strings.Get(OtpAuthData.StringDictionaryKey).ReadString());
var totp = new Totp(data.Key, step: data.Step, mode: data.OtpHashMode, totpSize: data.Size);
var text = totp.ComputeTotp().ToString().PadLeft(data.Size, '0');
if (ClipboardUtil.CopyAndMinimize(new KeePassLib.Security.ProtectedString(true, text), true, this.host.MainWindow, entry, this.host.Database))
{
this.host.MainWindow.StartClipboardCountdown();
}
}
}
}
private string GenerateOtp()
{
byte[] otpKey = Encoding.UTF8.GetBytes(Guid.NewGuid().ToString());
Totp totp = new Totp(otpKey, 600);
return(totp.ComputeTotp());
}
private async Task <ResultWithError <ErrorData> > Process(CancellationToken cancellationToken)
{
var currentUserMaybe = this._currentAuthenticatedUserProvider.CurrentAuthenticatedUser;
if (currentUserMaybe.HasNoValue)
{
return(ResultWithError.Fail(new ErrorData(ErrorCodes.UserNotFound)));
}
var userMaybe = await this._userRepository.Find(currentUserMaybe.Value.UserId, cancellationToken);
if (userMaybe.HasNoValue)
{
return(ResultWithError.Fail(new ErrorData(ErrorCodes.UserNotFound)));
}
var user = userMaybe.Value;
var totp = new Totp(user.SecurityStamp.ToByteArray());
var token = totp.ComputeTotp();
user.AddDomainEvent(new EmailMfaTokenGeneratedEvent(
user.EmailAddress,
user.Profile.FirstName,
user.Profile.LastName,
token));
user.ProcessPartialSuccessfulAuthenticationAttempt(
this._clock.GetCurrentInstant().ToDateTimeUtc(),
AuthenticationHistoryType.EmailMfaRequested);
return(ResultWithError.Ok <ErrorData>());
}
public string GenerateTotpCode(User user)
{
var totpSecretKey = Base32Encoding.ToBytes(user.TotpSecretKey);
var totp = new Totp(totpSecretKey);
return(totp.ComputeTotp());
}
public string Generate(string purpose, string entity)
{
byte[] secret = Encoding.Unicode.GetBytes(entity + purpose);
Totp code = new Totp(secret, step: _expire, mode: OtpHashMode.Sha512, totpSize: _length);
return(code.ComputeTotp());
}
public static string GenerateVoucherCode(string userNumber)
{
var secretKey = Encoding.UTF8.GetBytes(userNumber);
var totp = new Totp(secretKey);
return(totp.ComputeTotp());
}
static int Main(string[] args)
{
if (!CommandLineSwitch.TryParse <Options>(ref args, out var options, out var err))
{
Console.WriteLine($"ERROR: {err}");
return(-1);
}
if (string.IsNullOrEmpty(options.Key))
{
Console.WriteLine("ERROR: Secret Key is not specified.");
ShowUsage();
return(-1);
}
var secretKey = default(byte[]);
try { secretKey = Base32Encoding.ToBytes(options.Key); }
catch (ArgumentException)
{
Console.WriteLine("ERROR: Invalid key format.");
return(-1);
}
var totp = new Totp(secretKey);
var totpCode = totp.ComputeTotp();
Console.WriteLine(totpCode);
return(0);
}
/// <summary>
/// 计算token-指定时间
/// </summary>
/// <param name="secretKey"></param>
/// <param name="timestamp"></param>
/// <returns></returns>
public static string ComputeToken(string secretKey, long timestamp)
{
var otp = new Totp(GetSecretKeyBytes(secretKey));
var dt = DateTimeOffset.FromUnixTimeSeconds(timestamp);
return(otp.ComputeTotp(dt.UtcDateTime));
}
public string sendOTP(string _phonenumber)
{
var totp = new Totp(Encoding.ASCII.GetBytes(_reusablekey), step: 300, totpSize: 4);
var totpCode = totp.ComputeTotp(DateTime.UtcNow);
return(totpCode);
}
public async Task Handle_GiveUserDoesExistButHasNoAuthApp_ExpectFailedResult()
{
var user = new Mock <IUser>();
var userId = Guid.NewGuid();
user.Setup(x => x.Id).Returns(userId);
user.Setup(x => x.AuthenticatorApps).Returns(new List <AuthenticatorApp>());
var userRepository = new Mock <IUserRepository>();
var unitOfWork = new Mock <IUnitOfWork>();
unitOfWork.Setup(x => x.SaveEntitiesAsync(It.IsAny <CancellationToken>())).ReturnsAsync(() => true);
userRepository.Setup(x => x.UnitOfWork).Returns(unitOfWork.Object);
userRepository.Setup(x => x.Find(It.IsAny <Guid>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(() => Maybe.From(user.Object));
var currentAuthenticatedUserProvider = new Mock <ICurrentAuthenticatedUserProvider>();
currentAuthenticatedUserProvider.Setup(x => x.CurrentAuthenticatedUser)
.Returns(Maybe.From(new UnauthenticatedUser(TestVariables.UserId, MfaProvider.None) as ISystemUser));
var handler = new ValidateAppMfaCodeAgainstCurrentUserCommandHandler(
userRepository.Object, currentAuthenticatedUserProvider.Object);
var totp = new Totp(Base32Encoding.ToBytes("key"));
var code = totp.ComputeTotp();
var cmd = new ValidateAppMfaCodeAgainstCurrentUserCommand(code);
var result = await handler.Handle(cmd, CancellationToken.None);
Assert.True(result.IsFailure);
Assert.Equal(ErrorCodes.NoAuthenticatorAppEnrolled, result.Error.Code);
}
public async Task Handle_GivenSavingFails_ExpectFailedResult()
{
var user = new Mock <IUser>();
user.Setup(x => x.AuthenticatorApps).Returns(() => new List <AuthenticatorApp>());
var userRepository = new Mock <IUserRepository>();
var unitOfWork = new Mock <IUnitOfWork>();
unitOfWork.Setup(x => x.SaveEntitiesAsync(It.IsAny <CancellationToken>())).ReturnsAsync(() => false);
userRepository.Setup(x => x.UnitOfWork).Returns(unitOfWork.Object);
userRepository.Setup(x => x.Find(It.IsAny <Guid>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(() => Maybe.From(user.Object));
var clock = new Mock <IClock>();
var currentAuthenticatedUserProvider = new Mock <ICurrentAuthenticatedUserProvider>();
currentAuthenticatedUserProvider.Setup(x => x.CurrentAuthenticatedUser)
.Returns(Maybe.From(new AuthenticatedUser(TestVariables.UserId, "email-address", "first-name", "last-name") as ISystemUser));
var commandHandler = new EnrollAuthenticatorAppCommandHandler(userRepository.Object, clock.Object,
currentAuthenticatedUserProvider.Object);
var key = KeyGeneration.GenerateRandomKey();
var keyAsBase32String = Base32Encoding.ToString(key);
var totp = new Totp(key);
var code = totp.ComputeTotp();
var cmd = new EnrollAuthenticatorAppCommand(keyAsBase32String, code);
var result = await commandHandler.Handle(cmd, CancellationToken.None);
Assert.True(result.IsFailure);
Assert.Equal(ErrorCodes.SavingChanges, result.Error.Code);
}
public async Task UpdateDanceCampBookingPaymentStatus(string transactionId, bool success)
{
try
{
_logger.Information($"transactionID: {transactionId}");
var booking = _bookingPaymentRepository.GetBookingPayment(transactionId);
_logger.Information($"booking ID is: {booking.BookingId}");
byte[] secretKeyByteArray = Base32Encoding.ToBytes(_danceCampOptions.SecretKey);
var totp = new Totp(secretKeyByteArray, 30, OtpHashMode.Sha1, 6);
var totpCode = totp.ComputeTotp();
string status = success ? "Completed" : "Payment Failed";
var formContent = new FormUrlEncodedContent(
new[]
{
new KeyValuePair <string, string>("BookingID", booking.BookingId.ToString()),
new KeyValuePair <string, string>("APIToken", _danceCampOptions.ApiToken),
new KeyValuePair <string, string>("Token", totpCode),
new KeyValuePair <string, string>("Status", status),
new KeyValuePair <string, string>("Amount", booking.Amount.ToString("F02", CultureInfo.InvariantCulture)),
new KeyValuePair <string, string>("Currency", "EUR"),
new KeyValuePair <string, string>("TxnID", transactionId),
new KeyValuePair <string, string>("FeeAmount", "0"),
new KeyValuePair <string, string>("Notes", ""),
new KeyValuePair <string, string>("EmailNotes", "")
});
var response = await _httpClient.PostAsync(_danceCampOptions.PaymentReceiveDanceCampUrl, formContent);
if (response.StatusCode == HttpStatusCode.OK)
{
var stringContent = await response.Content.ReadAsStringAsync();
var result = JsonConvert.DeserializeObject <DanceCampResponse>(stringContent);
if (result.Status != "success")
{
//TODO: discuss notification options.
//There is a chance that mollie payment is successful but update to dancecamp system failed
//Generate notification email?
_logger.Error($"Request to Dance Camp was not successfull, transaction id {transactionId}", response);
}
}
else
{
_logger.Error($"Request to Dance Camp was not successfull, transaction id {transactionId}", response);
}
}
catch (Exception e)
{
//TODO: discuss notification options.
//There is a chance that mollie payment is successful but update to dancecamp system failed
//Generate notification email?
_logger.Error($"Error occured while sending Payment Receive to Dance Camp for transaction {transactionId}. Error: {e.Message}", e);
}
}
public async Task Handle_GivenCodeDoesVerify_ExpectSuccessfulResultAndEnrollAttempted()
{
var user = new Mock <IUser>();
user.Setup(x => x.AuthenticatorApps).Returns(() => new List <AuthenticatorApp>());
var userRepository = new Mock <IUserRepository>();
var unitOfWork = new Mock <IUnitOfWork>();
unitOfWork.Setup(x => x.SaveEntitiesAsync(It.IsAny <CancellationToken>())).ReturnsAsync(() => true);
userRepository.Setup(x => x.UnitOfWork).Returns(unitOfWork.Object);
userRepository.Setup(x => x.Find(It.IsAny <Guid>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(() => Maybe.From(user.Object));
var clock = new Mock <IClock>();
var currentAuthenticatedUserProvider = new Mock <ICurrentAuthenticatedUserProvider>();
currentAuthenticatedUserProvider.Setup(x => x.CurrentAuthenticatedUser)
.Returns(Maybe.From(new AuthenticatedUser(TestVariables.UserId, "email-address", "first-name", "last-name") as ISystemUser));
var commandHandler = new EnrollAuthenticatorAppCommandHandler(userRepository.Object, clock.Object,
currentAuthenticatedUserProvider.Object);
var key = KeyGeneration.GenerateRandomKey();
var keyAsBase32String = Base32Encoding.ToString(key);
var totp = new Totp(key);
var code = totp.ComputeTotp();
var cmd = new EnrollAuthenticatorAppCommand(keyAsBase32String, code);
var result = await commandHandler.Handle(cmd, CancellationToken.None);
Assert.True(result.IsSuccess);
user.Verify(
x => x.EnrollAuthenticatorApp(It.IsAny <Guid>(), It.IsAny <string>(), It.IsAny <DateTime>()),
Times.Once);
}
public TotpModel GetPassword(int secret)
{
_totp = new Totp(BitConverter.GetBytes(secret));
return(new TotpModel {
TotpPassword = _totp.ComputeTotp(DateTime.UtcNow), RemainingTime = _totp.RemainingSeconds()
});
}
public async Task Handle_GivenSavingFails_ExpectFailedResult()
{
var securityStamp = Guid.NewGuid();
var user = new Mock <IUser>();
user.Setup(x => x.Profile).Returns(new Profile(TestVariables.UserId, "first-name", "last-name"));
user.Setup(x => x.SecurityStamp).Returns(securityStamp);
var userRepository = new Mock <IUserRepository>();
var unitOfWork = new Mock <IUnitOfWork>();
unitOfWork.Setup(x => x.SaveEntitiesAsync(It.IsAny <CancellationToken>())).ReturnsAsync(() => false);
userRepository.Setup(x => x.UnitOfWork).Returns(unitOfWork.Object);
userRepository.Setup(x => x.Find(It.IsAny <Guid>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(() => Maybe.From <IUser>(user.Object));
var currentAuthenticatedUserProvider = new Mock <ICurrentAuthenticatedUserProvider>();
currentAuthenticatedUserProvider.Setup(x => x.CurrentAuthenticatedUser)
.Returns(Maybe.From(new UnauthenticatedUser(TestVariables.UserId, MfaProvider.None) as ISystemUser));
var clock = new Mock <IClock>();
var handler = new ValidateEmailMfaCodeAgainstCurrentUserCommandHandler(userRepository.Object, currentAuthenticatedUserProvider.Object, clock.Object);
var totp = new Totp(securityStamp.ToByteArray());
var code = totp.ComputeTotp();
var cmd = new ValidateEmailMfaCodeAgainstCurrentUserCommand(code);
var result = await handler.Handle(cmd, CancellationToken.None);
Assert.True(result.IsFailure);
Assert.Equal(ErrorCodes.SavingChanges, result.Error.Code);
}
static public bool CheckOtp(string otpValue)
{
Logger.Log("Start CheckOtp");
try
{
Init();
if (lastCheckValue == otpValue)
{
return(false);
}
long timeStepMatched = 0;
string computeValue = otp.ComputeTotp();
var window = new VerificationWindow(previous: 1, future: 1);
if (otp.VerifyTotp(otpValue, out timeStepMatched, window))
{
lastCheckValue = otpValue;
return(true);
}
}
catch (Exception e)
{
Logger.Log(e.ToString());
}
Logger.Log("Finish CheckOtp");
return(false);
}
static void Main(string[] args)
{
Log.Logger = new LoggerConfiguration()
.WriteTo.ColoredConsole()
.CreateLogger();
Console.Write("Input key: ");
string key = Console.ReadLine();
var decodedKey = Base32Encoder.Decode(key);
var otp = new Totp(decodedKey);
var task = Task.Factory.StartNew(() =>
{
while (true)
{
otp = new Totp(decodedKey);
Log.Information(otp.ComputeTotp());
Thread.Sleep(1000);
}
}, TaskCreationOptions.LongRunning);
Task.WaitAll(task);
Console.ReadKey();
}
public async Task Handle_GivenSavingSucceeds_ExpectSuccessfulResult()
{
var user = new Mock <IUser>();
user.Setup(x => x.Profile).Returns(new Profile(TestVariables.UserId, "first-name", "last-name"));
user.Setup(x => x.AuthenticatorApps).Returns(new List <AuthenticatorApp>
{
new AuthenticatorApp(Guid.NewGuid(), "key", DateTime.UtcNow),
});
var userRepository = new Mock <IUserRepository>();
var unitOfWork = new Mock <IUnitOfWork>();
unitOfWork.Setup(x => x.SaveEntitiesAsync(It.IsAny <CancellationToken>())).ReturnsAsync(() => true);
userRepository.Setup(x => x.UnitOfWork).Returns(unitOfWork.Object);
userRepository.Setup(x => x.Find(It.IsAny <Guid>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(() => Maybe.From(user.Object));
var currentAuthenticatedUserProvider = new Mock <ICurrentAuthenticatedUserProvider>();
currentAuthenticatedUserProvider.Setup(x => x.CurrentAuthenticatedUser)
.Returns(Maybe.From(new UnauthenticatedUser(TestVariables.UserId, MfaProvider.None) as ISystemUser));
var handler = new ValidateAppMfaCodeAgainstCurrentUserCommandHandler(
userRepository.Object, currentAuthenticatedUserProvider.Object);
var totp = new Totp(Base32Encoding.ToBytes("key"));
var code = totp.ComputeTotp();
var cmd = new ValidateAppMfaCodeAgainstCurrentUserCommand(code);
var result = await handler.Handle(cmd, CancellationToken.None);
Assert.True(result.IsSuccess);
}
public static async Task <bool> CheckToken(Token token, byte[] otpSecret, HttpClient httpClient)
{
var totp = new Totp(otpSecret, token.Period);
var totpToken = totp.ComputeTotp(DateTime.UtcNow);
var data = new List <string>();
data.AddRange(totpToken.Select((t, i) => $"cr{i + 1}={t}"));
data.Add($"cred={token.Id}");
data.Add("continue=otp_check");
var request = string.Join("&", data);
var content = new StringContent(request, Encoding.UTF8, "application/x-www-form-urlencoded");
var req = new HttpRequestMessage(HttpMethod.Post, TEST_URL);
req.Headers.Accept.Add(MediaTypeWithQualityHeaderValue.Parse("*/*"));
req.Content = content;
var result = await httpClient.SendAsync(req);
var resultTxt = await result.Content.ReadAsStringAsync();
if (resultTxt.Contains("Your VIP Credential is working correctly"))
{
return(true);
}
else
{
return(false);
}
}
public string Generate()
{
var secret = BotConfigurator.SecureCode;
var totpgen = new Totp(Base32Encoding.Standard.ToBytes(secret), timeCorrection: new TimeCorrection(System.DateTime.UtcNow));
return(totpgen.ComputeTotp());
}
public void TotpAppendixBTests(Rfc6238AppendixBData data)
{
Assert.IsNotNull(data, "data was null");
var totpCalculator = new Totp(data.RfcTestKey.ToArray(), mode: data.Mode, totpSize: 8);
var totp = totpCalculator.ComputeTotp(data.Time);
Assert.AreEqual(data.Totp, totp);
}
public void ComputeTOTPTest(string secret, OtpHashMode hash, long timestamp, string expectedOtp)
{
Totp otpCalc = new Totp(Encoding.UTF8.GetBytes(secret), 30, hash, expectedOtp.Length);
DateTime time = DateTimeOffset.FromUnixTimeSeconds(timestamp).DateTime;
string otp = otpCalc.ComputeTotp(time);
Assert.That(otp, Is.EqualTo(expectedOtp));
}
/// <summary>
/// 获取 验证码
/// </summary>
/// <param name="publicKey">base32密钥</param>
/// <returns></returns>
public string VerificationCode(string publicKey)
{
var key = Base32Encoding.ToBytes(publicKey);
Totp totp = new Totp(key);
var result = totp.ComputeTotp(DateTime.UtcNow);
return(result);
}
private string GetTOTPCode(string token)
{
var bytes = Base32Encoding.ToBytes(token);
var totp = new Totp(bytes);
return(totp.ComputeTotp());
}
public void Totp6DigitPaddingTest()
{
var totpCalculator = new Totp(RfcTestKey, totpSize: 6);
var date = new DateTime(1970, 1, 19, 13, 23, 00);
var totp = totpCalculator.ComputeTotp(date);
Assert.AreEqual("003322", totp);
}