yii2-netdisk/models/LoginForm.php

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