public async Task <ActionResult> EnableGoogleAuthenticator(GoogleAuthenticatorViewModel model)
{
if (ModelState.IsValid)
{
byte[] secretKey = Base32Encoder.Decode(model.SecretKey);
long timeStepMatched = 0;
var otp = new Totp(secretKey);
if (otp.VerifyTotp(model.Code.Trim(), out timeStepMatched, new VerificationWindow(2, 2)))
{
var user = UserManager.FindById(User.Identity.GetUserId());
user.IsGoogleAuthenticatorEnabled = true;
user.GoogleAuthenticatorSecretKey = model.SecretKey;
user.TwoFactorEnabled = true;
await UserManager.UpdateAsync(user);
return(RedirectToAction("Index", "Manage"));
}
else
{
ModelState.AddModelError("Code", "Code không đúng");
}
}
return(View(model));
}
public ActionResult EnableGoogleAuthenticator()
{
byte[] secretKey = KeyGeneration.GenerateRandomKey(20);
string userName = User.Identity.GetUserName();
string issuer = "CMS Xây dựng Minh Thanh";
string issuerEncoded = HttpUtility.UrlEncode(issuer);
string barcodeUrl = KeyUrl.GetTotpUrl(secretKey, userName) + "&issuer=" + issuerEncoded;
var model = new GoogleAuthenticatorViewModel
{
SecretKey = Base32Encoder.Encode(secretKey),
BarcodeUrl = barcodeUrl
};
return(View(model));
}