public void Login(string username)
{
string query = "Select * FROM users WHERE name =" + "'" + username + "'";
string pass = "";
DataSet ds;
ds = Connection.DataSet(query);
if (ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
{
Console.Write("Jepni fjalekalimin:");
do
{
ConsoleKeyInfo key = Console.ReadKey(true);
if (key.Key != ConsoleKey.Backspace && key.Key != ConsoleKey.Enter)
{
pass += key.KeyChar;
Console.Write("*");
}
else
{
if (key.Key == ConsoleKey.Backspace && pass.Length > 0)
{
pass = pass.Substring(0, (pass.Length - 1));
Console.Write("\b \b");
}
else if (key.Key == ConsoleKey.Enter)
{
break;
}
}
} while (true);
string dbPassword = ds.Tables[0].Rows[0]["password"].ToString();
string dbSalt = ds.Tables[0].Rows[0]["saltt"].ToString();
HashAlgorithm algorithm = new SHA256Managed();
byte[] ssalt = System.Text.Encoding.UTF8.GetBytes(pass + dbSalt);
byte[] hash = algorithm.ComputeHash(ssalt);
string SaltedHashPassword = Convert.ToBase64String(hash);
if (dbPassword.Equals(SaltedHashPassword))
{
var payloadOBJ = new JwtPayload
{
{ "exp: ", DateTimeOffset.UtcNow.AddMinutes(20).ToUnixTimeSeconds() },
{ "name", username }
};
string payload = JsonConvert.SerializeObject(payloadOBJ);
Console.WriteLine("\nToken: " + SignToken(payload, username));
}
else
{
Console.WriteLine("\nGabim: Shfrytezuesi ose fjalekalimi i gabuar.");
}
}
else
{
Console.WriteLine("\nGabim: Shfrytezuesi nuk ekziston!");
}
}