accounts/api/validators/TotpValidator.php

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<?php
namespace api\validators;
use common\helpers\Error as E;
use common\models\Account;
use OTPHP\TOTP;
use Yii;
use yii\base\InvalidConfigException;
use yii\validators\Validator;
class TotpValidator extends Validator {
/**
* @var Account
*/
public $account;
/**
* @var int|null Задаёт окно, в промежуток которого будет проверяться код.
* Позволяет избежать ситуации, когда пользователь ввёл код в последнюю секунду
* его существования и пока шёл запрос, тот протух.
*/
public $window;
public $skipOnEmpty = false;
public function init() {
parent::init();
if ($this->account === null) {
$this->account = Yii::$app->user->identity;
}
if (!$this->account instanceof Account) {
throw new InvalidConfigException('account should be instance of ' . Account::class);
}
if (empty($this->account->otp_secret)) {
throw new InvalidConfigException('account should have not empty otp_secret');
}
}
protected function validateValue($value) {
$totp = new TOTP(null, $this->account->otp_secret);
if (!$totp->verify((string)$value, null, $this->window)) {
return [E::OTP_TOKEN_INCORRECT, []];
}
return null;
}
}