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 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 = "";
}
}
public ActionResult Register(LoginDetailsViewModel registrationDetails)
{
if (!ModelState.IsValid)
{
return(View(registrationDetails));
}
ResumeBuilderDBContext dbContext = new ResumeBuilderDBContext();
if (dbContext.Logins.Any(m => m.Username == registrationDetails.UserName))
{
ModelState.AddModelError("", "User already exists.");
return(View(registrationDetails));
}
else
{
try
{
byte[] saltBytes = PasswordSecurity.GenerateSalt();
string saltString = Convert.ToBase64String(saltBytes);
byte[] hashedPasswordBytes = PasswordSecurity.ComputeHMAC_SHA256(Encoding.UTF8.GetBytes(registrationDetails.Password), saltBytes);
string hashedPasswordString = Convert.ToBase64String(hashedPasswordBytes);
UserDetails newUser = new UserDetails
{
DateOfBirth = DateTime.Now
};
Login newLogin = new Login
{
Username = registrationDetails.UserName,
Password = hashedPasswordString,
Salt = saltString,
UserDetails = newUser
};
dbContext.Logins.Add(newLogin);
dbContext.SaveChanges();
}
catch (Exception)
{
ModelState.AddModelError("", "Something went wrong try again.");
return(View(registrationDetails));
}
}
// If we got this far, something failed, redisplay form
return(View(registrationDetails));
}
public ActionResult Register(LoginDetailsVM registrationDetails)
{
if (!ModelState.IsValid)
{
ModelState.AddModelError("", "Either username or password is empty.");
return(View(registrationDetails));
}
if (dbContext.Logins.Any(m => m.Username == registrationDetails.UserName))
{
ModelState.AddModelError("", "User already exists.");
return(View());
}
else
{
try
{
string salt = PasswordSecurity.GenerateSalt();
string hashedPassword = PasswordSecurity.HashPassword(registrationDetails.Password, salt);
UserDetails newUser = new UserDetails
{
DateOfBirth = DateTime.Now
};
Login newLogin = new Login
{
Username = registrationDetails.UserName,
Password = hashedPassword,
Salt = salt,
UserDetails = newUser
};
newLogin.UserDetails.Setting = new Setting();
dbContext.Logins.Add(newLogin);
dbContext.SaveChanges();
return(RedirectToAction("Login", "Account"));
}
catch (Exception)
{
ModelState.AddModelError("", "Something went wrong try again.");
return(View(registrationDetails));
}
}
}
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;
}
}
