/// <summary>
/// Resends an OTP message.
/// If there is a current OTP, then the same OTP is resent.
/// Otherwise a new OTP is generated and sent.
/// </summary>
/// <param name="userId">Id of the recipient user.</param>
/// <param name="phoneNumber">Phone number to send OTP to.</param>
/// <param name="userType">The user type.</param>
public static void ResendOTP(int userId, string phoneNumber, string userType)
{
OneTimePwd otp = null;
string otpString = string.Empty;
using (OneTimePwdDao dao = new OneTimePwdDao())
{
ReapOldOTPs(dao);
otp = dao.FindByUserId(userId); // Check if there is a current OTP for the user.
if (otp != null) // If there is, just reset the timestamp on the OTP
{
otpString = otp.Otg;
otp.CreatedDate = DateTime.Now;
dao.Update(otp);
}
else
{
otpString = GenerateOTP();
otp = new OneTimePwd {
Otg = otpString, UserID = userId, UserType = userType, CreatedDate = DateTime.Now
};
dao.Insert(otp);
}
}
SendOTP(phoneNumber, otpString);
}
public static void RemoveOTP(int user_id, string otp_code)
{
using (OneTimePwdDao dao = new OneTimePwdDao())
{
ReapOldOTPs(dao);
OneTimePwd otp = dao.FindByUserId(user_id);
if (otp != null && otp.Otg == otp_code)
{
dao.DeleteOTP(otp);
}
}
}
public static bool SaveOTP(string otp, int userId, string userType)
{
OneTimePwd otpEntity = new OneTimePwd {
Otg = otp, UserID = userId, UserType = userType, CreatedDate = DateTime.Now
};
using (OneTimePwdDao dao = new OneTimePwdDao())
{
dao.Insert(otpEntity);
}
return(true);
}
public static bool ValidateOTP(int user_id, string otp_code)
{
//if (otp_code == "1111")//TODO : comment out this block; only for testing
//{
// return true;
//}
using (OneTimePwdDao dao = new OneTimePwdDao())
{
ReapOldOTPs(dao);
OneTimePwd otp = dao.FindByUserId(user_id);
if (otp != null && otp.Otg == otp_code)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Remove all OTP records past the OTP lifespan.
/// </summary>
/// <param name="dao">The db context to use</param>
private static void ReapOldOTPs(OneTimePwdDao dao)
{
DateTime timeLimit = DateTime.Now.AddSeconds(-OTP_LIFESPAN_SECS);
dao.DeleteOlderOTP(timeLimit);
}