C
C#•17mo ago
no >> body

❔ ASP.NET Core Identity OTP creation date

So, currently, I have an authentication server (not with IdentityServer4/Duende). I have enabled two-factor authentication, and I want users to be able to send sms with otp only once per 60 seconds. From what I see, there is no information in AspNetUserTokens about the date it was generated. So I have an idea to expand this table with an additional column with a time stamp, so I can track when otp was created and prevent user from sending a new one if it was created recently. I've added a new migration and recreated a database, and now table AspNetUserTokens contains a new row which indicates creation date. Now I'm trying to figure out how to make Identity use my new class with a Created property. I'm also wondering if I'm in a right direction or it should be implemented in the different way. Would be glad to hear any ideas/advices.
3 Replies
Tvde1
Tvde1•17mo ago
What are you using if not IdentityServer4/Duende?
no >> body
no >> body•17mo ago
OpenIddict So, for now, I decided to expand the entity which inherits from IdentityUser and add new property LastOtpGenerated. And now I have something like that in my logic 
....

if (AuthenticationProvider == "Phone")
{
    if (user.LastOtpGenerated > DateTime.UtcNow.AddMinutes(-1))
    {
        ErrorMessage = "You have to wait 1 minute before requesting a new code.";
        return Page();
    }
}
...
....

if (AuthenticationProvider == "Phone")
{
    if (user.LastOtpGenerated > DateTime.UtcNow.AddMinutes(-1))
    {
        ErrorMessage = "You have to wait 1 minute before requesting a new code.";
        return Page();
    }
}
...
And when OTP should be generated 
user.LastOtpGenerated = DateTime.UtcNow;
await userManager.UpdateAsync(user);
user.LastOtpGenerated = DateTime.UtcNow;
await userManager.UpdateAsync(user);
Accord
Accord•16mo ago
Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.
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