Initial Commit

dependencies/symfony/cache/Traits/FilesystemCommonTrait.php

@@ -0,0 +1,168 @@
+<?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 WP_Ultimo\Dependencies\Symfony\Component\Cache\Traits;
+
+use WP_Ultimo\Dependencies\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;
+        } else {
+            $directory .= \DIRECTORY_SEPARATOR . '@';
+        }
+        if (!\is_dir($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(string $namespace)
+    {
+        $ok = \true;
+        foreach ($this->scanHashDir($this->directory) as $file) {
+            if ('' !== $namespace && !\str_starts_with($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);
+            $ok = (!\is_file($file) || $this->doUnlink($file) || !\file_exists($file)) && $ok;
+        }
+        return $ok;
+    }
+    protected function doUnlink(string $file)
+    {
+        return @\unlink($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 . \bin2hex(\random_bytes(6));
+            }
+            try {
+                $h = \fopen($this->tmp, 'x');
+            } catch (\ErrorException $e) {
+                if (!\str_contains($e->getMessage(), 'File exists')) {
+                    throw $e;
+                }
+                $this->tmp = $this->directory . \bin2hex(\random_bytes(6));
+                $h = \fopen($this->tmp, 'x');
+            }
+            \fwrite($h, $data);
+            \fclose($h);
+            if (null !== $expiresAt) {
+                \touch($this->tmp, $expiresAt ?: \time() + 31556952);
+                // 1 year in seconds
+            }
+            return \rename($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 && !\is_dir($dir)) {
+            @\mkdir($dir, 0777, \true);
+        }
+        return $dir . \substr($hash, 2, 20);
+    }
+    private function getFileKey(string $file) : string
+    {
+        return '';
+    }
+    private function scanHashDir(string $directory) : \Generator
+    {
+        if (!\is_dir($directory)) {
+            return;
+        }
+        $chars = '+-ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+        for ($i = 0; $i < 38; ++$i) {
+            if (!\is_dir($directory . $chars[$i])) {
+                continue;
+            }
+            for ($j = 0; $j < 38; ++$j) {
+                if (!\is_dir($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(int $type, string $message, string $file, int $line)
+    {
+        throw new \ErrorException($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 !== $this->tmp && \is_file($this->tmp)) {
+            \unlink($this->tmp);
+        }
+    }
+}