public GenerateOTPResponse GenerateOtp(GenerateOTPRequest generateOtpRequest)
{
if (!IsNullOrEmpty(generateOtpRequest?.UserId))
{
try
{
var movingFactor = _movingFactorAlgorithm.GetMovingFactor();
var otp = _otpAlgorithm.GenerateOTP(generateOtpRequest.UserId, _otpConfiguration.PrivateKey,
movingFactor,
_otpConfiguration.NumberOfDigitsInOTP);
Console.WriteLine("Generation: OTP : {0} MovingFactor: {1}", otp, movingFactor);
return(new GenerateOTPResponse
{
UserId = generateOtpRequest.UserId,
OTP = otp
});
}
catch (ArgumentOutOfRangeException exception)
{
return(new GenerateOTPResponse
{
Error = _errorFactory.GetErrorForException(exception)
});
}
}
return(new GenerateOTPResponse
{
Error = _errorFactory.GetInvalidRequestError()
});
}
public void ShouldGenerateAnOTPWithGivenNumberOfDigits(int numberOfDigits)
{
var generateOTP = _hmacBasedOTPAlgorithm.GenerateOTP("hdaska7232kls6", "alasnkasdhas7232", 10,
numberOfDigits);
Assert.That(generateOTP, Is.Not.Null);
Assert.That(generateOTP.Length, Is.EqualTo(numberOfDigits));
}
