79 lines
1.8 KiB
PHP
79 lines
1.8 KiB
PHP
<?php
|
|
|
|
namespace app\models;
|
|
|
|
use Yii;
|
|
use yii\base\Model;
|
|
|
|
/**
|
|
* LoginForm is the model behind the login form.
|
|
*/
|
|
class LoginForm extends Model
|
|
{
|
|
public $username;
|
|
public $password;
|
|
public $rememberMe = true;
|
|
|
|
private $_user = false;
|
|
|
|
|
|
/**
|
|
* @return array the validation rules.
|
|
*/
|
|
public function rules()
|
|
{
|
|
return [
|
|
// username and password are both required
|
|
[['username', 'password'], 'required'],
|
|
// rememberMe must be a boolean value
|
|
['rememberMe', 'boolean'],
|
|
// password is validated by validatePassword()
|
|
['password', 'validatePassword'],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* Validates the password.
|
|
* This method serves as the inline validation for password.
|
|
*
|
|
* @param string $attribute the attribute currently being validated
|
|
* @param array $params the additional name-value pairs given in the rule
|
|
*/
|
|
public function validatePassword($attribute, $params)
|
|
{
|
|
if (!$this->hasErrors()) {
|
|
$user = $this->getUser();
|
|
|
|
if (!$user || !$user->validatePassword($this->password)) {
|
|
$this->addError($attribute, 'Incorrect username or password.');
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Logs in a user using the provided username and password.
|
|
* @return boolean whether the user is logged in successfully
|
|
*/
|
|
public function login()
|
|
{
|
|
if ($this->validate()) {
|
|
return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600*24*30 : 0);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Finds user by [[username]]
|
|
*
|
|
* @return User|null
|
|
*/
|
|
public function getUser()
|
|
{
|
|
if ($this->_user === false) {
|
|
$this->_user = User::findByUsername($this->username);
|
|
}
|
|
|
|
return $this->_user;
|
|
}
|
|
}
|