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Editing: AccessTokenMapper.php

<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
namespace OCA\OAuth2\Db;

use OCA\OAuth2\Controller\OauthApiController;
use OCA\OAuth2\Exceptions\AccessTokenNotFoundException;
use OCP\AppFramework\Db\IMapperException;
use OCP\AppFramework\Db\QBMapper;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\DB\Exception;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;

/**
 * @template-extends QBMapper<AccessToken>
 */
class AccessTokenMapper extends QBMapper {

public function __construct(
		IDBConnection $db,
		private ITimeFactory $timeFactory,
	) {
		parent::__construct($db, 'oauth2_access_tokens');
	}

/**
	 * @param string $code
	 * @return AccessToken
	 * @throws AccessTokenNotFoundException
	 */
	public function getByCode(string $code): AccessToken {
		$qb = $this->db->getQueryBuilder();
		$qb
			->select('*')
			->from($this->tableName)
			->where($qb->expr()->eq('hashed_code', $qb->createNamedParameter(hash('sha512', $code))));

try {
			$token = $this->findEntity($qb);
		} catch (IMapperException $e) {
			throw new AccessTokenNotFoundException('Could not find access token', 0, $e);
		}

return $token;
	}

/**
	 * delete all access token from a given client
	 *
	 * @param int $id
	 */
	public function deleteByClientId(int $id) {
		$qb = $this->db->getQueryBuilder();
		$qb
			->delete($this->tableName)
			->where($qb->expr()->eq('client_id', $qb->createNamedParameter($id, IQueryBuilder::PARAM_INT)));
		$qb->executeStatement();
	}

/**
	 * Delete access tokens that have an expired authorization code
	 * -> those that are old enough
	 * and which never delivered any oauth token (still in authorization state)
	 *
	 * @return void
	 * @throws Exception
	 */
	public function cleanupExpiredAuthorizationCode(): void {
		$now = $this->timeFactory->now()->getTimestamp();
		$maxTokenCreationTs = $now - OauthApiController::AUTHORIZATION_CODE_EXPIRES_AFTER;

$qb = $this->db->getQueryBuilder();
		$qb
			->delete($this->tableName)
			->where($qb->expr()->eq('token_count', $qb->createNamedParameter(0, IQueryBuilder::PARAM_INT)))
			->andWhere($qb->expr()->lt('code_created_at', $qb->createNamedParameter($maxTokenCreationTs, IQueryBuilder::PARAM_INT)));
		$qb->executeStatement();
	}
}

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