/laravel/public/phpMyAdmin/vendor/symfony/cache/Adapter/FilesystemAdapterTrait.php
PHP | 110 lines | 91 code | 5 blank | 14 comment | 6 complexity | ae18c2b79a617d8fbb9a444673a1cd81 MD5 | raw file
Possible License(s): GPL-2.0, MIT, BSD-3-Clause
- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\Cache\Adapter;
- use Symfony\Component\Cache\Exception\InvalidArgumentException;
- /**
- * @author Nicolas Grekas <p@tchwork.com>
- *
- * @internal
- */
- trait FilesystemAdapterTrait
- {
- private $directory;
- private $tmp;
- private function init($namespace, $directory)
- {
- if (!isset($directory[0])) {
- $directory = sys_get_temp_dir().'/symfony-cache';
- }
- if (isset($namespace[0])) {
- if (preg_match('#[^-+_.A-Za-z0-9]#', $namespace, $match)) {
- throw new InvalidArgumentException(sprintf('Namespace contains "%s" but only characters in [-+_.A-Za-z0-9] are allowed.', $match[0]));
- }
- $directory .= '/'.$namespace;
- }
- if (!file_exists($dir = $directory.'/.')) {
- @mkdir($directory, 0777, true);
- }
- if (false === $dir = realpath($dir) ?: (file_exists($dir) ? $dir : false)) {
- throw new InvalidArgumentException(sprintf('Cache directory does not exist (%s)', $directory));
- }
- $dir .= DIRECTORY_SEPARATOR;
- // On Windows the whole path is limited to 258 chars
- if ('\\' === DIRECTORY_SEPARATOR && strlen($dir) > 234) {
- throw new InvalidArgumentException(sprintf('Cache directory too long (%s)', $directory));
- }
- $this->directory = $dir;
- $this->tmp = $this->directory.uniqid('', true);
- }
- /**
- * {@inheritdoc}
- */
- protected function doClear($namespace)
- {
- $ok = true;
- foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->directory, \FilesystemIterator::SKIP_DOTS)) as $file) {
- $ok = ($file->isDir() || @unlink($file) || !file_exists($file)) && $ok;
- }
- return $ok;
- }
- /**
- * {@inheritdoc}
- */
- protected function doDelete(array $ids)
- {
- $ok = true;
- foreach ($ids as $id) {
- $file = $this->getFile($id);
- $ok = (!file_exists($file) || @unlink($file) || !file_exists($file)) && $ok;
- }
- return $ok;
- }
- private function write($file, $data, $expiresAt = null)
- {
- if (false === @file_put_contents($this->tmp, $data)) {
- return false;
- }
- if (null !== $expiresAt) {
- @touch($this->tmp, $expiresAt);
- }
- if (@rename($this->tmp, $file)) {
- return true;
- }
- @unlink($this->tmp);
- return false;
- }
- private function getFile($id, $mkdir = false)
- {
- $hash = str_replace('/', '-', base64_encode(hash('sha256', static::class.$id, true)));
- $dir = $this->directory.strtoupper($hash[0].DIRECTORY_SEPARATOR.$hash[1].DIRECTORY_SEPARATOR);
- if ($mkdir && !file_exists($dir)) {
- @mkdir($dir, 0777, true);
- }
- return $dir.substr($hash, 2, 20);
- }
- }