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.
*/
class LoginForm extends Model
{
public $username;
public $password;
public $rememberMe = true;
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private $_user = false;
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/**
* @return array the validation rules.
*/
public function rules()
{
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return [
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// username and password are both required
[['username', 'password'], 'required'],
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// password is validated by validatePassword()
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['password', 'validatePassword'],
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// rememberMe must be a boolean value
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['rememberMe', 'boolean'],
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];
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}
/**
* Validates the password.
* This method serves as the inline validation for password.
*/
public function validatePassword()
{
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$user = $this->getUser();
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if (!$user || !$user->validatePassword($this->password)) {
$this->addError('password', 'Incorrect username or password.');
}
}
/**
* Logs in a user using the provided username and password.
* @return boolean whether the user is logged in successfully
*/
public function login()
{
if ($this->validate()) {
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return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600*24*30 : 0);
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} else {
return false;
}
}
/**
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* Finds user by [[username]]
*
* @return User|null
*/
public function getUser()
{
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if ($this->_user === false) {
$this->_user = User::findByUsername($this->username);
}
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return $this->_user;
}
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}