public static User AuthorizeUser(User user)
{
if (!isConnected)
{
Init();
}
SQLiteCommand sqliteCommand = dbConnection.CreateCommand();
sqliteCommand.Parameters.Add( new SQLiteParameter( ":userName", user.username ) );
sqliteCommand.CommandText = "SELECT * FROM " + USERS_TABLE + " WHERE userName=:userName";
SQLiteDataReader sqliteReader = sqliteCommand.ExecuteReader();
// if user already exist
if ( sqliteReader.HasRows )
{
if ( sqliteReader["password"].ToString() == user.password )
{
user.action = User.AUTH;
}
else
{
user.action = User.EXIST;
}
}
else
{
user.action = User.EXIST;
}
return user;
}
private void AuthorizeUser()
{
User user = new User();
user.username = nameField.Text;
user.password = passwordField.Text;
if (confirmField.Visible)
{
if (passwordField.Text == confirmField.Text)
{
user = PollClientGUI.pollService.RegisterUser(user);
switch (user.action)
{
case User.AUTH:
PollClientGUI.isAuthorized = true;
PollClientGUI.userName = nameField.Text;
Close();
return;
case User.EXIST:
MessageBox.Show("Error occured during registation", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
else
{
MessageBox.Show("\"password\" and \"confirm password\" fields aren't identicals", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
user = PollClientGUI.pollService.ExistUser(user);
if (user.action == User.EXIST)
{
user = PollClientGUI.pollService.AuthorizeUser(user);
switch (user.action)
{
case User.AUTH:
PollClientGUI.isAuthorized = true;
PollClientGUI.userName = nameField.Text;
Close();
break;
case User.EXIST:
MessageBox.Show("Wrong password", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
break;
}
}
else
{
MessageBox.Show("User not found in DB, program will create a new user", "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
confirmField.Visible = true;
confirmLabel.Visible = true;
nameField.Enabled = false;
this.Size = new Size(234, 150);
submitButton.Top = 85;
settingsButton.Top = 85;
}
}
public User AuthorizeUser(User user)
{
if (Authentication.userName == USER_NAME && Authentication.password == PASSWORD)
{
return DAL.PollDAL.AuthorizeUser(user);
}
else
{
return null;
}
}
public void Login_Click(Object sender, EventArgs e)
{
Ilsrep.PollApplication.Model.User user = new Ilsrep.PollApplication.Model.User();
user.username = username.Text;
user.password = password.Text;
user = PollDAL.AuthorizeUser(user);
if (user.action == Ilsrep.PollApplication.Model.User.AUTH)
FormsAuthentication.RedirectFromLoginPage(username.Text, false);
else
message.InnerHtml = "Invalid credentials!";
}
public void Register_Click(Object sender, EventArgs e)
{
if ((regUsername.Text == String.Empty) || (regPassword.Text == String.Empty) || (regConfirmPassword.Text == String.Empty))
{
regMessage.InnerHtml = "Please, fill all fields";
return;
}
if (regPassword.Text != regConfirmPassword.Text)
{
regMessage.InnerHtml = "Password and Confirm password fields must be the same";
return;
}
Ilsrep.PollApplication.Model.User user = new Ilsrep.PollApplication.Model.User();
user.username = regUsername.Text;
user.password = regPassword.Text;
user = PollDAL.ExistUser(user);
if (user.action == Ilsrep.PollApplication.Model.User.NEW_USER)
{
user = PollDAL.RegisterUser(user);
if (user.action == Ilsrep.PollApplication.Model.User.AUTH)
{
FormsAuthentication.RedirectFromLoginPage(regUsername.Text, false);
}
else
{
regMessage.InnerHtml = "An undefined error occured in server";
}
}
else
{
regMessage.InnerHtml = "Such user already exists";
}
}
public static User RegisterUser(User user)
{
if (!isConnected)
{
Init();
}
try
{
SQLiteCommand sqliteCommand = dbConnection.CreateCommand();
sqliteCommand.Parameters.Add( new SQLiteParameter( ":userName", user.username ) );
sqliteCommand.Parameters.Add( new SQLiteParameter( ":password", user.password ) );
sqliteCommand.CommandText = "INSERT INTO " + USERS_TABLE + "(userName, password) VALUES (:userName, :password)";
SQLiteDataReader sqliteReader = sqliteCommand.ExecuteReader();
user.action = User.AUTH;
}
catch (Exception)
{
user.action = User.EXIST;
}
return user;
}