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<?php |
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/** |
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* This file is part of the Cecil/Cecil package. |
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* |
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* Copyright (c) Arnaud Ligny <[email protected]> |
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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 Cecil\Cache; |
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use Cecil\Builder; |
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use Cecil\Config; |
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use Cecil\Util; |
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class Cache |
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{ |
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/** @var Builder */ |
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protected $builder; |
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/** @var Config */ |
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protected $config; |
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/** @var string */ |
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protected $scope; |
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/** @var string */ |
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protected $rootPath; |
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/** |
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* @param Builder $builder |
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* @param string $scope |
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* @param string $rootPath |
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*/ |
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public function __construct(Builder $builder, string $scope, string $rootPath) |
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{ |
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$this->builder = $builder; |
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$this->config = $builder->getConfig(); |
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$this->scope = $scope; |
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$this->rootPath = $rootPath; |
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} |
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/** |
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* Returns true if cache entry already exists. |
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* |
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* @param string $file |
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* |
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* @return bool |
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*/ |
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public function isExists(string $file): bool |
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{ |
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if (!Util::getFS()->exists($this->getCachePathname($file)) || !Util::getFS()->exists($this->getHashFile($file))) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Returns MD5 hash of $file. |
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* |
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* @param string $file |
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* |
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* @return string |
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*/ |
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public function getHash(string $file): string |
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{ |
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return hash_file('md5', $file); |
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} |
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/** |
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* Copying cached file and creates hash file. |
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* |
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* @param string $file |
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* @param string|null $hash |
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* |
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* @return void |
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*/ |
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public function save(string $file, string $hash = null): void |
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{ |
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$this->removesHashFile($this->getRelativePathname($file)); |
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// file |
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Util::getFS()->copy($file, $this->getCachePathname($file), true); |
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// hash |
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Util::getFS()->mkdir(Util::joinFile($this->config->getCachePath(), Util::joinFile($this->scope, 'hash'))); |
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Util::getFS()->touch($this->getHashFile($file, $hash)); |
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} |
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/** |
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* Returns path to the from from the $rootPath. |
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* |
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* @param string $file |
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* |
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* @return string |
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*/ |
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private function getRelativePathname(string $file): string |
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{ |
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$this->relativePath = trim(Util::getFS()->makePathRelative(dirname($file), $this->rootPath), './'); |
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return Util::joinFile($this->relativePath, basename($file)); |
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} |
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/** |
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* Creates cached file path. |
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* |
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* @param string $file |
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* |
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* @return string |
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*/ |
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private function getCachePathname($file): string |
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{ |
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return Util::joinFile( |
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$this->config->getCachePath(), |
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Util::joinFile($this->scope, 'files'), |
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$this->getRelativePathname($file) |
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); |
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} |
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/** |
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* Creates file hash. |
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* |
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* @param string $file |
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* @param string|null $hash |
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* |
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* @return string |
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*/ |
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private function getHashFile(string $file, string $hash = null): string |
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{ |
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if ($hash === null) { |
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$hash = $this->getHash($file); |
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} |
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return Util::joinFile( |
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$this->config->getCachePath(), |
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Util::joinFile($this->scope, 'hash'), |
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$this->preparesHashFile($this->getRelativePathname($file)).$hash |
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); |
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} |
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/** |
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* Prepares hash file path. |
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* |
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* @param string $path |
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* |
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* @return string |
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*/ |
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private function preparesHashFile(string $path): string |
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{ |
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return str_replace(DIRECTORY_SEPARATOR, '-', $path).'_'; |
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} |
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/** |
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* Removes previous hash files. |
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* |
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* @param string $path |
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* |
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* @return void |
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*/ |
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private function removesHashFile(string $path): void |
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{ |
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$pattern = Util::joinFile($this->config->getCachePath(), Util::joinFile($this->scope, 'hash'), $this->preparesHashFile($path)).'*'; |
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foreach (glob($pattern) as $filename) { |
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Util::getFS()->remove($filename); |
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} |
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} |
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} |
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Cecilapp /
Cecil
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