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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Integration\Model\Oauth\Nonce;
use Magento\Framework\Oauth\ConsumerInterface;
use Magento\Framework\Oauth\NonceGeneratorInterface;
class Generator implements NonceGeneratorInterface
{
/**
* @var \Magento\Framework\Oauth\Helper\Oauth
*/
protected $_oauthHelper;
/**
* @var \Magento\Integration\Model\Oauth\NonceFactory
*/
protected $_nonceFactory;
/**
* @var int
*/
protected $_nonceLength;
/**
* @var \Magento\Framework\Stdlib\DateTime\DateTime
*/
protected $_date;
/**
* Possible time deviation for timestamp validation in seconds.
*/
const TIME_DEVIATION = 600;
/**
* @param \Magento\Framework\Oauth\Helper\Oauth $oauthHelper
* @param \Magento\Integration\Model\Oauth\NonceFactory $nonceFactory
* @param \Magento\Framework\Stdlib\DateTime\DateTime $date
* @param int $nonceLength - Length of the generated nonce
*/
public function __construct(
\Magento\Framework\Oauth\Helper\Oauth $oauthHelper,
\Magento\Integration\Model\Oauth\NonceFactory $nonceFactory,
\Magento\Framework\Stdlib\DateTime\DateTime $date,
$nonceLength = \Magento\Framework\Oauth\Helper\Oauth::LENGTH_NONCE
) {
$this->_oauthHelper = $oauthHelper;
$this->_nonceFactory = $nonceFactory;
$this->_date = $date;
$this->_nonceLength = $nonceLength;
}
/**
* {@inheritdoc}
*/
public function generateNonce(ConsumerInterface $consumer = null)
{
return $this->_oauthHelper->generateRandomString($this->_nonceLength);
}
/**
* {@inheritdoc}
*/
public function generateTimestamp()
{
return $this->_date->timestamp();
}
/**
* {@inheritdoc}
*/
public function validateNonce(ConsumerInterface $consumer, $nonce, $timestamp)
{
try {
$timestamp = (int)$timestamp;
if ($timestamp <= 0 || $timestamp > time() + self::TIME_DEVIATION) {
throw new \Magento\Framework\Oauth\OauthInputException(
__('Incorrect timestamp value in the oauth_timestamp parameter')
);
}
/** @var \Magento\Integration\Model\Oauth\Nonce $nonceObj */
$nonceObj = $this->_nonceFactory->create()->loadByCompositeKey($nonce, $consumer->getId());
if ($nonceObj->getNonce()) {
throw new \Magento\Framework\Oauth\Exception(
__(
'The nonce is already being used by the consumer with ID %1',
[$consumer->getId()]
)
);
}
$nonceObj->setNonce($nonce)->setConsumerId($consumer->getId())->setTimestamp($timestamp)->save();
} catch (\Magento\Framework\Oauth\Exception $exception) {
throw $exception;
} catch (\Exception $exception) {
throw new \Magento\Framework\Oauth\Exception(__('An error occurred validating the nonce'));
}
}
}