public DodadiUser(OverviewForm caller)
{
this.caller = caller;
Init();
}
private void proceed()
{
usernameTB.Text.Trim(); passwordTB.Text.Trim(); confirmPWTB.Text.Trim(); // Remove whitespace from the input entered into the textboxes.
string databasefajl = Appdatafolder() + "\\" + usernameTB.Text + ".sqlite";
//TODO: Rework authentication logic
#region checked
if (newUserCB.Checked) //If they selected the register option
{
if (passwordTB.Text.Equals(confirmPWTB.Text, StringComparison.Ordinal)) //Check if both of the passwords are the same
{
if (!string.IsNullOrWhiteSpace(usernameTB.Text)) //Check if the first password field is empty
{
if (!string.IsNullOrWhiteSpace(passwordTB.Text)) //Check if the second password field is empty
{
if (!File.Exists(databasefajl)) //If the file doesn't exist already, as in the username hasn't been registered
{
sharedSecret = passwordTB.Text;
string enkriptirandavid = Cryptography.Encrypt(sharedSecret, passwordTB.Text); //Encrypt the password with itself
SQLiteConnection.CreateFile(databasefajl); //Create a db file in %appdata% named username.sqlite
SQLiteConnection dbConnection;
dbConnection =
new SQLiteConnection("Data Source=" + databasefajl + ";Version=3;");
using (var myconnection = new SQLiteConnection(dbConnection))
{
myconnection.Open(); //Open the .sqlite file
try
{
string sqlinsert = "insert into passwords (url, name) values ('" + enkriptirandavid + "','" + enkriptirandavid + "');";
//sqlinsert.Parameters.AddWithValue("@url", enkriptirandavid);
SQLiteCommand sqlinsert1 = new SQLiteCommand(sqlinsert, myconnection);
string komanda = "create table passwords (id integer primary key autoincrement,URL varchar(150), name varchar(150)" +
",username varchar(150), password varchar(150), notes varchar(1500), visible integer)";
SQLiteCommand izvrsikomanda2 = new SQLiteCommand(komanda, myconnection);
izvrsikomanda2.ExecuteNonQuery(); //Create a table named passwords
sqlinsert1.ExecuteNonQuery(); //Fill the first record's first 2 fields with the encrypted password
myconnection.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
newUserCB.Checked = false;
MessageBox.Show("Registration was successful"); //Successful registration
proceed();
}
}
else
{
MessageBox.Show("That your name is already taken."); //Username already exists
}
}
else
{
MessageBox.Show("A password must be entered."); //No password entered
}
}
else
{
MessageBox.Show("A username must be entered."); //No username entered
}
}
else
{
MessageBox.Show("The passwords do not match each other."); //Password mismatch
}
}
#endregion
else
{
if (File.Exists(databasefajl)) //If the file exists already, when the username has been registered
{
sharedSecret = passwordTB.Text;
SQLiteConnection dbConnection;
dbConnection =
new SQLiteConnection("Data Source=" + databasefajl + ";Version=3;");
dbConnection.Open(); //Connect to the .sqlite file
string sql = "SELECT * FROM passwords ORDER BY id ";
SQLiteCommand command = new SQLiteCommand(sql, dbConnection);
SQLiteDataReader reader = command.ExecuteReader(); //Get the records inside
while (reader.Read())
{ //If (textBox2.Text == Cryptography.Decrypt(reader["URL"].ToString(), sharedsecret))
if (Cryptography.Encrypt(passwordTB.Text, sharedSecret) == reader["URL"].ToString())
//Encrypt the entered password with the one that is in the first record of the file
{
username = usernameTB.Text;
password = passwordTB.Text;
reader.Close();
dbConnection.Close();
OverviewForm form2 = new OverviewForm(); //Close the SQLITE connection and open the main form.
Hide();
form2.ShowDialog(this);
Close();
break;
}
else
{
MessageBox.Show("Погрешна лозинка"); //Wrong password
reader.Close();
dbConnection.Close();
}
}
}
else
{
MessageBox.Show("Корисничкото име не е регистрирано"); //Username not registered
}
}
}
