97 lines
2.6 KiB
PHP
97 lines
2.6 KiB
PHP
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<?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\Config\Resource;
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/**
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* DirectoryResource represents a resources stored in a subdirectory tree.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @final
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*/
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class DirectoryResource implements SelfCheckingResourceInterface
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{
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private string $resource;
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/**
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* @param string $resource The file path to the resource
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* @param string|null $pattern A pattern to restrict monitored files
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*
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* @throws \InvalidArgumentException
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*/
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public function __construct(
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string $resource,
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private ?string $pattern = null,
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) {
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$resolvedResource = realpath($resource) ?: (file_exists($resource) ? $resource : false);
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if (false === $resolvedResource || !is_dir($resolvedResource)) {
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throw new \InvalidArgumentException(sprintf('The directory "%s" does not exist.', $resource));
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}
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$this->resource = $resolvedResource;
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}
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public function __toString(): string
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{
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return hash('xxh128', serialize([$this->resource, $this->pattern]));
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}
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public function getResource(): string
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{
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return $this->resource;
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}
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public function getPattern(): ?string
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{
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return $this->pattern;
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}
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public function isFresh(int $timestamp): bool
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{
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if (!is_dir($this->resource)) {
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return false;
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}
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if ($timestamp < filemtime($this->resource)) {
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return false;
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}
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foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->resource), \RecursiveIteratorIterator::SELF_FIRST) as $file) {
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// if regex filtering is enabled only check matching files
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if ($this->pattern && $file->isFile() && !preg_match($this->pattern, $file->getBasename())) {
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continue;
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}
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// always monitor directories for changes, except the .. entries
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// (otherwise deleted files wouldn't get detected)
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if ($file->isDir() && str_ends_with($file, '/..')) {
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continue;
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}
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// for broken links
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try {
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$fileMTime = $file->getMTime();
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} catch (\RuntimeException) {
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continue;
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}
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// early return if a file's mtime exceeds the passed timestamp
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if ($timestamp < $fileMTime) {
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return false;
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}
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}
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return true;
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}
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}
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