123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107 |
- <?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\Traits;
- use Symfony\Component\Cache\Exception\CacheException;
- /**
- * @author Nicolas Grekas <p@tchwork.com>
- * @author Rob Frawley 2nd <rmf@src.run>
- *
- * @internal
- */
- trait FilesystemTrait
- {
- use FilesystemCommonTrait;
- /**
- * @return bool
- */
- public function prune()
- {
- $time = time();
- $pruned = true;
- foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->directory, \FilesystemIterator::SKIP_DOTS), \RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
- if (!$h = @fopen($file, 'rb')) {
- continue;
- }
- if (($expiresAt = (int) fgets($h)) && $time >= $expiresAt) {
- fclose($h);
- $pruned = @unlink($file) && !file_exists($file) && $pruned;
- } else {
- fclose($h);
- }
- }
- return $pruned;
- }
- /**
- * {@inheritdoc}
- */
- protected function doFetch(array $ids)
- {
- $values = [];
- $now = time();
- foreach ($ids as $id) {
- $file = $this->getFile($id);
- if (!file_exists($file) || !$h = @fopen($file, 'rb')) {
- continue;
- }
- if (($expiresAt = (int) fgets($h)) && $now >= $expiresAt) {
- fclose($h);
- @unlink($file);
- } else {
- $i = rawurldecode(rtrim(fgets($h)));
- $value = stream_get_contents($h);
- fclose($h);
- if ($i === $id) {
- $values[$id] = parent::unserialize($value);
- }
- }
- }
- return $values;
- }
- /**
- * {@inheritdoc}
- */
- protected function doHave($id)
- {
- $file = $this->getFile($id);
- return file_exists($file) && (@filemtime($file) > time() || $this->doFetch([$id]));
- }
- /**
- * {@inheritdoc}
- */
- protected function doSave(array $values, $lifetime)
- {
- $ok = true;
- $expiresAt = $lifetime ? (time() + $lifetime) : 0;
- foreach ($values as $id => $value) {
- $ok = $this->write($this->getFile($id, true), $expiresAt."\n".rawurlencode($id)."\n".serialize($value), $expiresAt) && $ok;
- }
- if (!$ok && !is_writable($this->directory)) {
- throw new CacheException(sprintf('Cache directory is not writable (%s)', $this->directory));
- }
- return $ok;
- }
- }
|