88 lines
2.5 KiB
PHP
88 lines
2.5 KiB
PHP
<?php
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/*
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* This file is part of Twig.
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*
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* (c) Fabien Potencier
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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 Twig\Cache;
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/**
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* Implements a cache on the filesystem.
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*
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* @author Andrew Tch <andrew@noop.lv>
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*/
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class FilesystemCache implements CacheInterface
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{
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public const FORCE_BYTECODE_INVALIDATION = 1;
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private $directory;
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private $options;
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public function __construct(string $directory, int $options = 0)
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{
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$this->directory = rtrim($directory, '\/').'/';
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$this->options = $options;
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}
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public function generateKey(string $name, string $className): string
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{
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$hash = hash(\PHP_VERSION_ID < 80100 ? 'sha256' : 'xxh128', $className);
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return $this->directory.$hash[0].$hash[1].'/'.$hash.'.php';
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}
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public function load(string $key): void
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{
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if (is_file($key)) {
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@include_once $key;
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}
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}
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public function write(string $key, string $content): void
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{
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$dir = \dirname($key);
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if (!is_dir($dir)) {
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if (false === @mkdir($dir, 0777, true)) {
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clearstatcache(true, $dir);
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if (!is_dir($dir)) {
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throw new \RuntimeException(sprintf('Unable to create the cache directory (%s).', $dir));
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}
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}
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} elseif (!is_writable($dir)) {
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throw new \RuntimeException(sprintf('Unable to write in the cache directory (%s).', $dir));
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}
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$tmpFile = tempnam($dir, basename($key));
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if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $key)) {
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@chmod($key, 0666 & ~umask());
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if (self::FORCE_BYTECODE_INVALIDATION == ($this->options & self::FORCE_BYTECODE_INVALIDATION)) {
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// Compile cached file into bytecode cache
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if (\function_exists('opcache_invalidate') && filter_var(ini_get('opcache.enable'), \FILTER_VALIDATE_BOOLEAN)) {
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@opcache_invalidate($key, true);
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} elseif (\function_exists('apc_compile_file')) {
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apc_compile_file($key);
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}
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}
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return;
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}
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throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $key));
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}
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public function getTimestamp(string $key): int
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{
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if (!is_file($key)) {
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return 0;
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}
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return (int) @filemtime($key);
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}
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}
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