mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-07-19 03:19:15 +00:00
- Removing symfony/polyfill-apcu (v1.28.0) - Removing psr/simple-cache (1.0.1) - Updating psr/http-message (1.1 => 2.0) - Downgrading psr/container (2.0.2 => 1.1.2) - Updating slim/slim (4.12.0 => 4.13.0) - Installing symfony/polyfill-php80 (v1.29.0) - Installing symfony/var-exporter (v5.4.35) - Installing symfony/deprecation-contracts (v2.5.2) - Installing symfony/service-contracts (v2.5.2) - Installing symfony/polyfill-php73 (v1.29.0) - Installing symfony/cache-contracts (v2.5.2) - Updating symfony/cache (v3.4.47 => v4.4.48)
197 lines
5.4 KiB
PHP
197 lines
5.4 KiB
PHP
<?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\InvalidArgumentException;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @internal
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*/
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trait FilesystemCommonTrait
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{
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private $directory;
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private $tmp;
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private function init(string $namespace, ?string $directory)
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{
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if (!isset($directory[0])) {
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$directory = sys_get_temp_dir().\DIRECTORY_SEPARATOR.'symfony-cache';
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} else {
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$directory = realpath($directory) ?: $directory;
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}
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if (isset($namespace[0])) {
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if (preg_match('#[^-+_.A-Za-z0-9]#', $namespace, $match)) {
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throw new InvalidArgumentException(sprintf('Namespace contains "%s" but only characters in [-+_.A-Za-z0-9] are allowed.', $match[0]));
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}
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$directory .= \DIRECTORY_SEPARATOR.$namespace;
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} else {
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$directory .= \DIRECTORY_SEPARATOR.'@';
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}
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if (!file_exists($directory)) {
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@mkdir($directory, 0777, true);
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}
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$directory .= \DIRECTORY_SEPARATOR;
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// On Windows the whole path is limited to 258 chars
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if ('\\' === \DIRECTORY_SEPARATOR && \strlen($directory) > 234) {
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throw new InvalidArgumentException(sprintf('Cache directory too long (%s).', $directory));
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}
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$this->directory = $directory;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doClear($namespace)
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{
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$ok = true;
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foreach ($this->scanHashDir($this->directory) as $file) {
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if ('' !== $namespace && !str_starts_with($this->getFileKey($file), $namespace)) {
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continue;
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}
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$ok = ($this->doUnlink($file) || !file_exists($file)) && $ok;
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}
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return $ok;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDelete(array $ids)
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{
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$ok = true;
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foreach ($ids as $id) {
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$file = $this->getFile($id);
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$ok = (!file_exists($file) || $this->doUnlink($file) || !file_exists($file)) && $ok;
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}
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return $ok;
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}
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protected function doUnlink($file)
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{
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return @unlink($file);
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}
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private function write(string $file, string $data, int $expiresAt = null)
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{
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set_error_handler(__CLASS__.'::throwError');
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try {
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if (null === $this->tmp) {
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$this->tmp = $this->directory.bin2hex(random_bytes(6));
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}
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try {
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$h = fopen($this->tmp, 'x');
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} catch (\ErrorException $e) {
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if (!str_contains($e->getMessage(), 'File exists')) {
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throw $e;
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}
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$this->tmp = $this->directory.bin2hex(random_bytes(6));
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$h = fopen($this->tmp, 'x');
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}
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fwrite($h, $data);
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fclose($h);
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if (null !== $expiresAt) {
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touch($this->tmp, $expiresAt ?: time() + 31556952); // 1 year in seconds
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}
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return rename($this->tmp, $file);
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} finally {
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restore_error_handler();
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}
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}
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private function getFile(string $id, bool $mkdir = false, string $directory = null)
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{
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// Use MD5 to favor speed over security, which is not an issue here
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$hash = str_replace('/', '-', base64_encode(hash('md5', static::class.$id, true)));
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$dir = ($directory ?? $this->directory).strtoupper($hash[0].\DIRECTORY_SEPARATOR.$hash[1].\DIRECTORY_SEPARATOR);
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if ($mkdir && !file_exists($dir)) {
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@mkdir($dir, 0777, true);
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}
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return $dir.substr($hash, 2, 20);
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}
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private function getFileKey(string $file): string
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{
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return '';
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}
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private function scanHashDir(string $directory): \Generator
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{
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if (!file_exists($directory)) {
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return;
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}
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$chars = '+-ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
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for ($i = 0; $i < 38; ++$i) {
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if (!file_exists($directory.$chars[$i])) {
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continue;
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}
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for ($j = 0; $j < 38; ++$j) {
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if (!file_exists($dir = $directory.$chars[$i].\DIRECTORY_SEPARATOR.$chars[$j])) {
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continue;
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}
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foreach (@scandir($dir, \SCANDIR_SORT_NONE) ?: [] as $file) {
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if ('.' !== $file && '..' !== $file) {
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yield $dir.\DIRECTORY_SEPARATOR.$file;
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}
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}
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}
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}
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}
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/**
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* @internal
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*/
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public static function throwError($type, $message, $file, $line)
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{
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throw new \ErrorException($message, 0, $type, $file, $line);
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}
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/**
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* @return array
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*/
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public function __sleep()
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{
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throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
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}
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public function __wakeup()
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{
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throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
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}
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public function __destruct()
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{
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if (method_exists(parent::class, '__destruct')) {
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parent::__destruct();
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}
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if (null !== $this->tmp && file_exists($this->tmp)) {
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unlink($this->tmp);
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}
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}
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}
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