public void ValidateOtp_test_validates_with_an_empty_validity_period()
{
var key = Sha1ReferenceKey;
var generator = new TimeBasedOtpGenerator(key, 8);
var currentTime = new DateTime(2033, 5, 18, 3, 33, 20, DateTimeKind.Utc);
var zeroSeconds = TimeSpan.FromSeconds(0);
Assert.IsFalse(generator.ValidateOtp("69279037", currentTime.AddSeconds(-30), zeroSeconds), "30 seconds prior should be invalid");
Assert.IsTrue(generator.ValidateOtp("69279037", currentTime.AddSeconds(-01), zeroSeconds), "1 second prior should be valid (due to a 30-second precision)");
Assert.IsTrue(generator.ValidateOtp("69279037", currentTime.AddSeconds(+00), zeroSeconds), "The exact time should be valid");
Assert.IsTrue(generator.ValidateOtp("69279037", currentTime.AddSeconds(+01), zeroSeconds), "1 seconds after should be valid (due to a 30-second precision)");
Assert.IsFalse(generator.ValidateOtp("69279037", currentTime.AddSeconds(+30), zeroSeconds), "30 seconds after should be invalid");
}
public void ValidateOtp_test_validates_within_60_second_validity_period()
{
var key = Sha1ReferenceKey;
var generator = new TimeBasedOtpGenerator(key, 8);
var currentTime = new DateTime(2009, 2, 13, 23, 31, 30, DateTimeKind.Utc);
var sixtySeconds = TimeSpan.FromSeconds(60);
Assert.IsFalse(generator.ValidateOtp("89005924", currentTime.AddSeconds(-90), sixtySeconds), "90 seconds prior should be invalid");
Assert.IsTrue(generator.ValidateOtp("89005924", currentTime.AddSeconds(-60), sixtySeconds), "60 seconds prior should be valid");
Assert.IsTrue(generator.ValidateOtp("89005924", currentTime.AddSeconds(-15), sixtySeconds), "15 seconds prior should be valid");
Assert.IsTrue(generator.ValidateOtp("89005924", currentTime.AddSeconds(+00), sixtySeconds), "The exact time should be valid");
Assert.IsTrue(generator.ValidateOtp("89005924", currentTime.AddSeconds(+15), sixtySeconds), "15 seconds after should be valid");
Assert.IsTrue(generator.ValidateOtp("89005924", currentTime.AddSeconds(+60), sixtySeconds), "60 seconds after should be valid");
Assert.IsFalse(generator.ValidateOtp("89005924", currentTime.AddSeconds(+90), sixtySeconds), "90 seconds after should be invalid");
}
public void ValidateOtp_test_validates_within_50_second_validity_period()
{
var key = Sha1ReferenceKey;
var generator = new TimeBasedOtpGenerator(key, 8);
var currentTime = new DateTime(2033, 5, 18, 3, 33, 20, DateTimeKind.Utc);
var fiftySeconds = TimeSpan.FromSeconds(50);
Assert.IsFalse(generator.ValidateOtp("69279037", currentTime.AddSeconds(-90), fiftySeconds), "90 seconds prior should be invalid");
Assert.IsFalse(generator.ValidateOtp("69279037", currentTime.AddSeconds(-60), fiftySeconds), "60 seconds prior should be invalid");
Assert.IsTrue(generator.ValidateOtp("69279037", currentTime.AddSeconds(-30), fiftySeconds), "30 seconds prior should be valid");
Assert.IsTrue(generator.ValidateOtp("69279037", currentTime.AddSeconds(+00), fiftySeconds), "The exact time should be valid");
Assert.IsTrue(generator.ValidateOtp("69279037", currentTime.AddSeconds(+30), fiftySeconds), "30 seconds after should be valid");
Assert.IsFalse(generator.ValidateOtp("69279037", currentTime.AddSeconds(+60), fiftySeconds), "60 seconds after should be invalid");
Assert.IsFalse(generator.ValidateOtp("69279037", currentTime.AddSeconds(+90), fiftySeconds), "90 seconds after should be invalid");
}
public async Task <bool> CheckOneTimePassword([FromBody] OtpCodeDto otpCodeDto)
{
var secretkey = string.Empty;
var email = string.Empty;
var userId = string.Empty;
if (otpCodeDto.ChannelId == "sms")
{
var smsUser = this._context.SmsUser.Where(smsuser => smsuser.UserName == otpCodeDto.UserName).FirstOrDefault();
if (smsUser == null)
{
return(false);
}
secretkey = smsUser.SecretKey;
email = smsUser.EMail;
userId = smsUser.UserId;
}
if (otpCodeDto.ChannelId == "directline")
{
var directLineUser = this._context.DirectLineUser.Where(smsuser => smsuser.UserName == otpCodeDto.UserName).FirstOrDefault();
if (directLineUser == null)
{
return(false);
}
secretkey = directLineUser.SecretKey;
email = directLineUser.EMail;
userId = directLineUser.UserId;
}
int otpDigits = 6;
var secretKey = secretkey;
Key key = new Key(secretKey);
var secret = key.Base32;
TimeBasedOtpGenerator otp = new TimeBasedOtpGenerator(key, otpDigits);
var time = GetNistTime();
var tst = otp.GenerateOtp(time);
Key keySecret = new Key(secretKey);
time = GetNistTime();
TimeBasedOtpGenerator otp3 = new TimeBasedOtpGenerator(keySecret, otpDigits);
var valid = otp.ValidateOtp(otpCodeDto.OneTimePasswordCode, time);
if (valid)
{
var jwtoken = new JwtManager();
var expirationTime = DateTime.UtcNow.AddMinutes(59);
var jwt = jwtoken.GenerateJwtToken(email, userId, 60);
if (otpCodeDto.ChannelId == "sms")
{
_context.SmsLogin.Add(new Data.Entities.SmsLogin {
UserName = otpCodeDto.UserName, ExpirationTime = expirationTime, Jwt = jwt
});
_context.SaveChanges();
}
if (otpCodeDto.ChannelId == "directline")
{
_context.DirectLineLogins.Add(new Data.Entities.DirectLineLogins {
UserName = otpCodeDto.UserName, ExpirationTime = expirationTime, Jwt = jwt.ToString()
});
_context.SaveChanges();
}
}
return(valid);
}