public static void Main(string[] args)
{
// Check if we have a database
options.LoadOptions();
db = new SQLiteConnection(Environment.CurrentDirectory + "/database.sqlite");
db.CreateTable <User>();
db.CreateTable <LoginSession>();
db.CreateTable <Item>();
db.CreateTable <ItemStock>();
db.CreateTable <Customer>();
db.CreateTable <Contract>();
db.CreateTable <Invoice>();
db.CreateTable <Cart>();
db.CreateTable <Cashier>();
db.CreateTable <CashierSession>();
// Check if there is atleast 1 user
if (db.Query <User>("SELECT * FROM User WHERE 1;").Count == 0)
{
Random rnd = new Random();
// Seems like there are no users, let's make a default admin/admin
const string chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
string pass = new string(Enumerable.Repeat(chars, 8).Select(s => s[rnd.Next(s.Length)]).ToArray());
User u = new User();
HashSalt hs = Utilities.GenerateSaltedHash(64, pass);
u.displayName = "Admin";
u.username = "******";
u.pinCode = rnd.Next(0, 9999).ToString();
u.Hash = hs.Hash;
u.Salt = hs.Salt;
u.isAdmin = true;
db.Insert(u);
Console.Write("\nWARNING! No user was found! Initial admin user created, you can now login with the following credentials: \n\n\tUsername: "******"admin");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("\tPassword: "******"\tPincode: ");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine(u.pinCode);
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("\n\n\t!!! It's recommended to change this ASAP !!!\n\n");
Console.ForegroundColor = ConsoleColor.White;
Thread.Sleep(500);
}
CreateHostBuilder(args).Build().Run();
}
public static HashSalt GenerateSaltedHash(int size, string password)
{
var saltBytes = new byte[size];
var provider = new RNGCryptoServiceProvider();
provider.GetNonZeroBytes(saltBytes);
var salt = Convert.ToBase64String(saltBytes);
var rfc2898DeriveBytes = new Rfc2898DeriveBytes(password, saltBytes, 10000);
var hashPassword = Convert.ToBase64String(rfc2898DeriveBytes.GetBytes(256));
HashSalt hashSalt = new HashSalt {
Hash = hashPassword, Salt = salt
};
return(hashSalt);
}