private void SignInButton_Click(object sender, EventArgs e)
{
Connect connect = Connect.GetInstance();
SqlCommand passCommand = new SqlCommand();
SqlDataReader reader;
string hash = "";
string salt = "";
string mail = "";
string passSqlQuery = "select email, password, salt from Users where email = @mail";
connect.OpenConnection();
passCommand.CommandText = passSqlQuery;
passCommand.Connection = connect.GetConnection();
passCommand.Parameters.Add("@mail", SqlDbType.VarChar).Value = EmailTextBox.Text;
reader = passCommand.ExecuteReader();
while (reader.Read())
{
mail = Convert.ToString(reader["email"]);
hash = Convert.ToString(reader["password"]);
salt = Convert.ToString(reader["salt"]);
}
reader.Close();
if (mail == EmailTextBox.Text && SaltedHash.Verify(salt, hash, PasswordTextBox.Text))
{
OrdinaryUser user = new OrdinaryUser(this);
MainMenu mainMenu = new MainMenu();
Menu menu = new Menu(mainMenu, user);
mainMenu.SetMenu(menu);
this.Hide();
MessageBox.Show("Welcome to the MoneyManager2020!", "Success");
mainMenu.Show();
connect.CloseConnection();
}
else
{
connect.CloseConnection();
if (EmailTextBox.Text.Trim().Equals(""))
{
MessageBox.Show("Enter your email", "Email field is empty", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else if (PasswordTextBox.Text.Trim().Equals(""))
{
MessageBox.Show("Enter your password", "Password field is empty", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
MessageBox.Show("Wrong email or password", "Invalid data", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
private void SignUpButton_Click(object sender, EventArgs e)
{
Connect connect = Connect.GetInstance();
DataTable table = new DataTable();
SqlDataAdapter adapter = new SqlDataAdapter();
SqlCommand command = new SqlCommand();
SqlCommand checkCommand = new SqlCommand();
SqlDataReader reader;
bool isUserExist = false;
string sqlQuery = "select * from Users where email = \'@log\' and password = \'@pass\';";
string checkQuery = "select * from Users;";
string pattern = @"^(?("")(""[^""]+?""@)|(([0-9a-z]((\.(?!\.))|[-!#\$%&'\*\+/=\?\^`\{\}\|~\w])*)(?<=[0-9a-z])@))" +
@"(?(\[)(\[(\d{1,3}\.){3}\d{1,3}\])|(([0-9a-z][-\w]*[0-9a-z]*\.)+[a-z0-9]{2,17}))$";
connect.OpenConnection();
checkCommand.CommandText = checkQuery;
checkCommand.Connection = connect.GetConnection();
reader = checkCommand.ExecuteReader();
while (reader.Read())
{
if (EmailTextBox.Text == reader["email"].ToString())
{
isUserExist = true;
reader.Close();
break;
}
}
reader.Close();
command.CommandText = sqlQuery;
command.Connection = connect.GetConnection();
if (Regex.IsMatch(EmailTextBox.Text, pattern, RegexOptions.IgnoreCase))
{
if (PasswordTextBox.Text.Length > 4)
{
SaltedHash hashPass = new SaltedHash(PasswordTextBox.Text);
command.Parameters.Add("@mail", SqlDbType.VarChar).Value = EmailTextBox.Text;
command.Parameters.Add("@pass", SqlDbType.VarChar).Value = hashPass.Hash;
command.Parameters.Add("@salt", SqlDbType.VarChar).Value = hashPass.Salt;
adapter.SelectCommand = command;
adapter.Fill(table);
if (!isUserExist)
{
string sqlQuery1 = "insert into Users(email, password, salt) values(@mail, @pass, @salt);";
SqlCommand command1 = new SqlCommand();
command.Connection = connect.GetConnection();
command.CommandText = sqlQuery1;
command.ExecuteNonQuery();
connect.CloseConnection();
OrdinaryUser user = new OrdinaryUser(this);
MainMenu mainMenu = new MainMenu();
Menu menu = new Menu(mainMenu, user);
mainMenu.SetMenu(menu);
MessageBox.Show("Your account was signed up", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Hide();
MessageBox.Show("Welcome to the MoneyManager2020!", "Success");
mainMenu.Show();
}
else
{
MessageBox.Show("User with this email is already exist!", "Used email", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Password must be longer than 5 symbols!", "Invalid password", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Invalid email adress!", "Invalid email", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}