private GoogleAuthenticatorModel GenerateGoogleAuthenticatorModel()
{
byte[] secretByte = KeyGeneration.GenerateRandomKey(20);
string userName = "******";
string secretKey = Base32Encoding.ToString(secretByte);
string barcodeUrl = $"otpauth://totp/{userName}?secret={secretKey}&issuer=GoogleAuthenticatorLab";
var model = new GoogleAuthenticatorModel
{
SecretKey = secretKey,
BarcodeUrl = barcodeUrl
};
return(model);
}
private string GenerateQRCode(GoogleAuthenticatorModel model)
{
string fileUrl = $"~/temp/{model.SecretKey}.jpg";
string filePath = Server.MapPath(fileUrl);
QRCodeGenerator.ECCLevel eccLevel = QRCodeGenerator.ECCLevel.M;
using (QRCodeGenerator qrGenerator = new QRCodeGenerator())
{
using (QRCodeData qrCodeData = qrGenerator.CreateQrCode(model.BarcodeUrl, eccLevel))
{
using (QRCode qrCode = new QRCode(qrCodeData))
{
using (Bitmap image = qrCode.GetGraphic(10, Color.Black, Color.White, icon: null, iconSizePercent: 0))
{
using (var stream = new FileStream(filePath, FileMode.Create))
{
image.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
return(fileUrl);
}
}
}
}
}
}
