public async Task IncrementHotp(int position)
{
if (Authenticators.ElementAtOrDefault(position) == null)
{
return;
}
var info = Authenticators[position];
var auth = GetAuthenticator(info);
if (auth.Type != OtpType.Hotp)
{
return;
}
var secret = Base32.Decode(auth.Secret);
var hotp = new Hotp(secret, auth.Algorithm);
auth.Counter++;
auth.Code = hotp.ComputeHotp(auth.Counter);
auth.TimeRenew = DateTime.Now.AddSeconds(10);
Authenticators[position] = auth;
await _connection.UpdateAsync(auth);
}
public async Task IncrementCounter(int position)
{
var auth = Authenticators.ElementAtOrDefault(position);
if (auth == null)
{
return;
}
auth.Counter++;
await _connection.UpdateAsync(auth);
}
public async Task Rename(int position, string issuer, string username)
{
var auth = Authenticators.ElementAtOrDefault(position);
if (auth == null)
{
return;
}
auth.Issuer = issuer;
auth.Username = username;
await _connection.UpdateAsync(auth);
}
public async Task Rename(int position, string issuer, string username)
{
if (Authenticators.ElementAtOrDefault(position) == null)
{
return;
}
var info = Authenticators[position];
var auth = GetAuthenticator(info);
auth.Issuer = issuer.Trim().Truncate(32);
auth.Username = username.Trim().Truncate(32);
await _connection.UpdateAsync(auth);
}
public async Task Delete(int position)
{
var auth = Authenticators.ElementAtOrDefault(position);
if (auth == null)
{
return;
}
await _connection.DeleteAsync <Authenticator>(auth.Secret);
Authenticators.Remove(auth);
_all.Remove(auth);
const string sql = "DELETE FROM authenticatorcategory WHERE authenticatorSecret = ?";
await _connection.ExecuteAsync(sql, auth.Secret);
}
public async Task Delete(int position)
{
if (Authenticators.ElementAtOrDefault(position) == null)
{
return;
}
var info = Authenticators[position];
var auth = GetAuthenticator(info);
await _connection.DeleteAsync <Authenticator>(auth.Secret);
Authenticators.Remove(info);
_all.Remove(auth);
var sql = "DELETE FROM authenticatorcategory WHERE authenticatorSecret = ?";
object[] args = { auth.Secret };
await _connection.ExecuteAsync(sql, args);
}
public Authenticator Get(int position)
{
if (Authenticators.ElementAtOrDefault(position) == null)
{
return(null);
}
var info = Authenticators[position];
var auth = GetAuthenticator(info);
if (auth.Type == OtpType.Totp && auth.TimeRenew <= DateTime.Now)
{
var secret = Base32.Decode(auth.Secret);
var totp = new Totp(secret, auth.Period, auth.Algorithm, auth.Digits);
auth.Code = totp.ComputeTotp();
auth.TimeRenew = DateTime.Now.AddSeconds(totp.RemainingSeconds());
}
return(auth);
}
