108 lines
2.7 KiB
PHP
108 lines
2.7 KiB
PHP
<?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;
|
|
}
|
|
}
|