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authorCharles <sircharlesaze@gmail.com>2020-01-09 10:55:03 +0100
committerCharles <sircharlesaze@gmail.com>2020-01-09 13:09:38 +0100
commit04d6d5ca99ebfd1cebb8ce06618fb3811fc1a8aa (patch)
tree5c691241355c943a3c68ddb06b8cf8c60aa11319 /srcs/phpmyadmin/vendor/symfony/cache/Traits/FilesystemCommonTrait.php
parent7e0d85db834d6351ed85d01e5126ac31dc510b86 (diff)
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diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/FilesystemCommonTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/FilesystemCommonTrait.php
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+<?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\InvalidArgumentException;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+trait FilesystemCommonTrait
+{
+ private $directory;
+ private $tmp;
+
+ private function init(string $namespace, ?string $directory)
+ {
+ if (!isset($directory[0])) {
+ $directory = sys_get_temp_dir().\DIRECTORY_SEPARATOR.'symfony-cache';
+ } else {
+ $directory = realpath($directory) ?: $directory;
+ }
+ if (isset($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]));
+ }
+ $directory .= \DIRECTORY_SEPARATOR.$namespace;
+ }
+ if (!file_exists($directory)) {
+ @mkdir($directory, 0777, true);
+ }
+ $directory .= \DIRECTORY_SEPARATOR;
+ // On Windows the whole path is limited to 258 chars
+ if ('\\' === \DIRECTORY_SEPARATOR && \strlen($directory) > 234) {
+ throw new InvalidArgumentException(sprintf('Cache directory too long (%s)', $directory));
+ }
+
+ $this->directory = $directory;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doClear($namespace)
+ {
+ $ok = true;
+
+ foreach ($this->scanHashDir($this->directory) as $file) {
+ if ('' !== $namespace && 0 !== strpos($this->getFileKey($file), $namespace)) {
+ continue;
+ }
+
+ $ok = ($this->doUnlink($file) || !file_exists($file)) && $ok;
+ }
+
+ return $ok;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function doDelete(array $ids)
+ {
+ $ok = true;
+
+ foreach ($ids as $id) {
+ $file = $this->getFile($id);
+ $ok = (!file_exists($file) || $this->doUnlink($file) || !file_exists($file)) && $ok;
+ }
+
+ return $ok;
+ }
+
+ protected function doUnlink($file)
+ {
+ return @unlink($file);
+ }
+
+ private function write(string $file, string $data, int $expiresAt = null)
+ {
+ set_error_handler(__CLASS__.'::throwError');
+ try {
+ if (null === $this->tmp) {
+ $this->tmp = $this->directory.uniqid('', true);
+ }
+ file_put_contents($this->tmp, $data);
+
+ if (null !== $expiresAt) {
+ touch($this->tmp, $expiresAt);
+ }
+
+ return rename($this->tmp, $file);
+ } finally {
+ restore_error_handler();
+ }
+ }
+
+ private function getFile(string $id, bool $mkdir = false, string $directory = null)
+ {
+ // Use MD5 to favor speed over security, which is not an issue here
+ $hash = str_replace('/', '-', base64_encode(hash('md5', static::class.$id, true)));
+ $dir = ($directory ?? $this->directory).strtoupper($hash[0].\DIRECTORY_SEPARATOR.$hash[1].\DIRECTORY_SEPARATOR);
+
+ if ($mkdir && !file_exists($dir)) {
+ @mkdir($dir, 0777, true);
+ }
+
+ return $dir.substr($hash, 2, 20);
+ }
+
+ private function getFileKey(string $file): string
+ {
+ return '';
+ }
+
+ private function scanHashDir(string $directory): \Generator
+ {
+ if (!file_exists($directory)) {
+ return;
+ }
+
+ $chars = '+-ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+
+ for ($i = 0; $i < 38; ++$i) {
+ if (!file_exists($directory.$chars[$i])) {
+ continue;
+ }
+
+ for ($j = 0; $j < 38; ++$j) {
+ if (!file_exists($dir = $directory.$chars[$i].\DIRECTORY_SEPARATOR.$chars[$j])) {
+ continue;
+ }
+
+ foreach (@scandir($dir, SCANDIR_SORT_NONE) ?: [] as $file) {
+ if ('.' !== $file && '..' !== $file) {
+ yield $dir.\DIRECTORY_SEPARATOR.$file;
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * @internal
+ */
+ public static function throwError($type, $message, $file, $line)
+ {
+ throw new \ErrorException($message, 0, $type, $file, $line);
+ }
+
+ /**
+ * @return array
+ */
+ public function __sleep()
+ {
+ throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+ }
+
+ public function __wakeup()
+ {
+ throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
+ }
+
+ public function __destruct()
+ {
+ if (method_exists(parent::class, '__destruct')) {
+ parent::__destruct();
+ }
+ if (null !== $this->tmp && file_exists($this->tmp)) {
+ unlink($this->tmp);
+ }
+ }
+}