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124 lines
2.9 KiB
124 lines
2.9 KiB
<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <fabien@symfony.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Symfony\Component\Cache\Traits; |
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use Symfony\Component\Cache\Exception\CacheException; |
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/** |
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* @author Nicolas Grekas <p@tchwork.com> |
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* @author Rob Frawley 2nd <rmf@src.run> |
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* |
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* @internal |
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*/ |
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trait FilesystemTrait |
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{ |
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use FilesystemCommonTrait; |
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private $marshaller; |
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/** |
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* @return bool |
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*/ |
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public function prune() |
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{ |
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$time = time(); |
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$pruned = true; |
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foreach ($this->scanHashDir($this->directory) as $file) { |
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if (!$h = @fopen($file, 'r')) { |
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continue; |
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} |
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if (($expiresAt = (int) fgets($h)) && $time >= $expiresAt) { |
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fclose($h); |
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$pruned = @unlink($file) && !file_exists($file) && $pruned; |
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} else { |
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fclose($h); |
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} |
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} |
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return $pruned; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doFetch(array $ids) |
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{ |
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$values = []; |
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$now = time(); |
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foreach ($ids as $id) { |
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$file = $this->getFile($id); |
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if (!is_file($file) || !$h = @fopen($file, 'r')) { |
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continue; |
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} |
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if (($expiresAt = (int) fgets($h)) && $now >= $expiresAt) { |
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fclose($h); |
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@unlink($file); |
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} else { |
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$i = rawurldecode(rtrim(fgets($h))); |
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$value = stream_get_contents($h); |
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fclose($h); |
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if ($i === $id) { |
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$values[$id] = $this->marshaller->unmarshall($value); |
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} |
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} |
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} |
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return $values; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doHave(string $id) |
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{ |
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$file = $this->getFile($id); |
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return is_file($file) && (@filemtime($file) > time() || $this->doFetch([$id])); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doSave(array $values, int $lifetime) |
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{ |
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$expiresAt = $lifetime ? (time() + $lifetime) : 0; |
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$values = $this->marshaller->marshall($values, $failed); |
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foreach ($values as $id => $value) { |
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if (!$this->write($this->getFile($id, true), $expiresAt."\n".rawurlencode($id)."\n".$value, $expiresAt)) { |
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$failed[] = $id; |
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} |
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} |
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if ($failed && !is_writable($this->directory)) { |
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throw new CacheException(sprintf('Cache directory is not writable (%s).', $this->directory)); |
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} |
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return $failed; |
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} |
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private function getFileKey(string $file): string |
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{ |
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if (!$h = @fopen($file, 'r')) { |
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return ''; |
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} |
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fgets($h); // expiry |
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$encodedKey = fgets($h); |
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fclose($h); |
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return rawurldecode(rtrim($encodedKey)); |
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} |
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}
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