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<?php /** * * This file is part of phpFastCache. * * @license MIT License (MIT) * * For full copyright and license information, please see the docs/CREDITS.txt file. * * @author Khoa Bui (khoaofgod) <khoaofgod@gmail.com> https://www.phpfastcache.com * @author Georges.L (Geolim4) <contact@geolim4.com> * */ declare(strict_types=1); namespace Phpfastcache\Drivers\Files; use Exception; use FilesystemIterator; use Phpfastcache\Cluster\AggregatablePoolInterface; use Phpfastcache\Core\Pool\{DriverBaseTrait, ExtendedCacheItemPoolInterface, IO\IOHelperTrait}; use Phpfastcache\Exceptions\{PhpfastcacheInvalidArgumentException}; use Phpfastcache\Util\Directory; use Psr\Cache\CacheItemInterface; /** * Class Driver * @package phpFastCache\Drivers * @property Config $config Config object * @method Config getConfig() Return the config object * * Important NOTE: * We are using getKey instead of getEncodedKey since this backend create filename that are * managed by defaultFileNameHashFunction and not defaultKeyHashFunction */ class Driver implements ExtendedCacheItemPoolInterface, AggregatablePoolInterface { use IOHelperTrait; use DriverBaseTrait { DriverBaseTrait::__construct as private __parentConstruct; } /** * Driver constructor. * @param Config $config * @param string $instanceId */ public function __construct(Config $config, string $instanceId) { $this->__parentConstruct($config, $instanceId); } /** * @return bool */ public function driverCheck(): bool { return is_writable($this->getPath()) || mkdir($concurrentDirectory = $this->getPath(), $this->getDefaultChmod(), true) || is_dir($concurrentDirectory); } /** * @return bool */ protected function driverConnect(): bool { return true; } /** * @param CacheItemInterface $item * @return null|array */ protected function driverRead(CacheItemInterface $item) { /** * Check for Cross-Driver type confusion */ $file_path = $this->getFilePath($item->getKey(), true); if (!\file_exists($file_path)) { return null; } $content = $this->readFile($file_path); return $this->decode($content); } /** * @param CacheItemInterface $item * @return bool * @throws PhpfastcacheInvalidArgumentException */ protected function driverWrite(CacheItemInterface $item): bool { /** * Check for Cross-Driver type confusion */ if ($item instanceof Item) { $file_path = $this->getFilePath($item->getKey()); $data = $this->encode($this->driverPreWrap($item)); /** * Force write */ try { return $this->writefile($file_path, $data, $this->getConfig()->isSecureFileManipulation()); } catch (Exception $e) { return false; } } throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected'); } /** * @param CacheItemInterface $item * @return bool * @throws PhpfastcacheInvalidArgumentException */ protected function driverDelete(CacheItemInterface $item): bool { /** * Check for Cross-Driver type confusion */ if ($item instanceof Item) { $file_path = $this->getFilePath($item->getKey(), true); if (\file_exists($file_path) && @\unlink($file_path)) { \clearstatcache(true, $file_path); $dir = \dirname($file_path); if (!(new FilesystemIterator($dir))->valid()) { \rmdir($dir); } return true; } return false; } throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected'); } /** * @return bool * @throws \Phpfastcache\Exceptions\PhpfastcacheIOException */ protected function driverClear(): bool { return Directory::rrmdir($this->getPath(true)); } }
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