private void changePassword_Click(object sender, EventArgs e)
{
var row = usersDGV.SelectedRows[0];
var id = row.Cells[UserIDColumn.Name].Value as int?;
if (!id.HasValue || id.Value == 0)
{
return;
}
using (var passwordManager = new PasswordManagerForm(true))
{
if (passwordManager.ShowDialog(this) != DialogResult.OK)
{
return;
}
using (var context = new UsersModel())
{
var tag = row.Tag as Пользователи;
context.Пользователи.Attach(tag);
tag.Соль = PasswordSecurity.GenerateSalt();
tag.Хэш_пароля = PasswordSecurity.GenerateHash(passwordManager.Password, tag.Соль);
context.SaveChanges();
row.Cells[HashColumn.Name].Value = tag.Хэш_пароля;
row.Cells[SaltColumn.Name].Value = tag.Соль;
row.Tag = tag;
}
}
}
private void FinishButton_Click_OnAuthentication(object sender, EventArgs e)
{
if (guestCheckBox.Checked)
{
MessageBox.Show(AuthenticationLocalization.GuestMessage, AuthenticationLocalization.GuestMessageHeader);
UserLogin = AuthenticationLocalization.GuestLogin;
UserType = UserTypes.Guest;
DialogResult = DialogResult.OK;
return;
}
using (var context = new UsersModel())
{
var user = usersComboBox.SelectedItem as Пользователи;
if (user == null)
{
MessageBox.Show($@"{AuthenticationLocalization.AuthenticationError}{AuthenticationLocalization.AuthenticationLoginError}");
}
context.Пользователи.Attach(user);
UserLogin = user.Логин;
UserType = user.Администратор ? UserTypes.Admin : UserTypes.User;
var generatedHash = PasswordSecurity.GenerateHash(passwordTextBox.Text, user.Соль);
if (!generatedHash.Equals(user.Хэш_пароля))
{
MessageBox.Show($@"{AuthenticationLocalization.AuthenticationError}
{AuthenticationLocalization.AuthenticationPasswordError}");
return;
}
MessageBox.Show(AuthenticationLocalization.AuthenticationCompleted);
DialogResult = DialogResult.OK;
}
}
private void usersDGV_RowValidating(object sender, DataGridViewCellCancelEventArgs e)
{
var row = usersDGV.Rows[e.RowIndex];
using (var context = new UsersModel())
{
var id = row.Cells[UserIDColumn.Name].Value as int?;
var tag = row.Tag as Пользователи;
var login = row.Cells[LoginColumn.Name].Value as string;
e.Cancel = login == null || login.Replace(" ", "") == "" || login.Length > 50;
if (e.Cancel)
{
row.Cells[LoginColumn.Name].ErrorText = ManagementLocalization.IncorrectLoginError;
return;
}
e.Cancel = context.Пользователи.Any(user => user.ID != id.Value && user.Логин == login);
if (e.Cancel)
{
row.ErrorText = ManagementLocalization.LoginExistsError;
return;
}
var isInsert = tag == null;
if (isInsert)
{
tag = new Пользователи();
using (var passwordManager = new PasswordManagerForm(false))
{
if (passwordManager.ShowDialog() == DialogResult.OK)
{
tag.Соль = PasswordSecurity.GenerateSalt();
tag.Хэш_пароля = PasswordSecurity.GenerateHash(passwordManager.Password, tag.Соль);
}
}
}
else
{
context.Пользователи.Attach(tag);
}
if (tag.Логин == AdminLogin)
{
AdminLogin = login;
userLoginLabel.Text = userLoginLabel.Tag as string + AdminLogin;
}
tag.Логин = login;
tag.Администратор = (bool)row.Cells[IsAdminColumn.Name].Value;
tag.Дата_регистрации = ((DateTime)row.Cells[RegDateColumn.Name].Value).Date;
row.Tag = tag;
if (isInsert)
{
context.Пользователи.Add(tag);
}
context.SaveChanges();
}
row.ErrorText = "";
foreach (DataGridViewCell cell in row.Cells)
{
cell.ErrorText = "";
}
}
private void FinishButton_Click_OnRegistration(object sender, EventArgs e)
{
using (var context = new UsersModel())
{
var salt = PasswordSecurity.GenerateSalt();
var user = new Пользователи
{
Логин = loginTextBox.Text,
Хэш_пароля = PasswordSecurity.GenerateHash(passwordTextBox.Text, salt),
Дата_регистрации = DateTime.Now.Date,
Соль = salt,
Администратор = false
};
context.Пользователи.Add(user);
context.SaveChanges();
usersComboBox.DataSource = context.Пользователи;
MessageBox.Show(AuthenticationLocalization.RegistrationCompleted);
UserLogin = user.Логин;
UserType = UserTypes.User;
DialogResult = DialogResult.OK;
}
}