gistfile1.txt

[HttpPost]
public ActionResult Login(LoginModel model) {
    if (!ModelState.IsValid) {
        return View(model);
    }
    
    if (UserValidator.IsValid(model)) {   // USES REPOSITORY
        FormsAuthentication.SetAuthCookie(model.Email, false);
        var user = this.UserRepository.Get(model.Email);  // USES IT AGAIN
        BankIdValidator = new BankIdValidator(user, this.UserRepository);
        BankIdValidator.InvalidateBankId();
        return Redirect(model.ReturnUrl);
    } else {
        ModelState.AddModelError("", "Ogiltigt användarnamn eller lösenord");
        return View(model);
    }
}

från UserValidator

public bool IsValid(LoginModel model) {
    var usr = UserRepository.Get(model.Email);
    if (usr == null) { 
        return false;
    }
    var password = PasswordEncryption.HashPassword(model.Password, usr.Salt);
    
    return usr.Password == password;

}