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<?php |
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/** |
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* This file is part of Blitz PHP framework. |
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* |
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* (c) 2022 Dimitri Sitchet Tomkeu <[email protected]> |
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* |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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namespace BlitzPHP\Cache\Handlers; |
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use BlitzPHP\Cache\InvalidArgumentException; |
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use CallbackFilterIterator; |
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use DateInterval; |
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use Exception; |
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use FilesystemIterator; |
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use LogicException; |
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use RecursiveDirectoryIterator; |
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use RecursiveIteratorIterator; |
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use SplFileInfo; |
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use SplFileObject; |
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class File extends BaseHandler |
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{ |
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/** |
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* Instance de la classe SplFileObject |
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* |
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* @var SplFileObject|null |
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*/ |
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protected $_File; |
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/** |
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* La configuration par défaut utilisée sauf si elle est remplacée par la configuration d'exécution |
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* |
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* - `duration` Spécifiez combien de temps durent les éléments de cette configuration de cache. |
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* - `groups` Liste des groupes ou 'tags' associés à chaque clé stockée dans cette configuration. |
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* pratique pour supprimer un groupe complet du cache. |
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* - `lock` Utilisé par FileCache. Les fichiers doivent-ils être verrouillés avant d'y écrire ? |
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* - `mask` Le masque utilisé pour les fichiers créés |
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* - `path` Chemin d'accès où les fichiers cache doivent être enregistrés. Par défaut, le répertoire temporaire du système. |
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* - `prefix` Préfixé à toutes les entrées. Bon pour quand vous avez besoin de partager un keyspace |
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* avec une autre configuration de cache ou une autre application. cache::gc d'être appelé automatiquement. |
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* - `serialize` Les objets du cache doivent-ils être sérialisés en premier. |
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* |
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* @var array<string, mixed> |
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*/ |
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protected array $_defaultConfig = [ |
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'duration' => 3600, |
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'groups' => [], |
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'lock' => true, |
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'mask' => 0664, |
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'path' => null, |
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'prefix' => 'blitz_', |
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'serialize' => true, |
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]; |
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/** |
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* Vrai sauf si FileEngine :: __active(); échoue |
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*/ |
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protected bool $_init = true; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function init(array $config = []): bool |
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{ |
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parent::init($config); |
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if ($this->_config['path'] === null) { |
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$this->_config['path'] = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'blitz-php' . DIRECTORY_SEPARATOR . 'cache' . DIRECTORY_SEPARATOR; |
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} |
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if (substr($this->_config['path'], -1) !== DIRECTORY_SEPARATOR) { |
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$this->_config['path'] .= DIRECTORY_SEPARATOR; |
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} |
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if ($this->_groupPrefix) { |
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$this->_groupPrefix = str_replace('_', DIRECTORY_SEPARATOR, $this->_groupPrefix); |
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} |
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return $this->_active(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function set(string $key, mixed $value, DateInterval|int|null $ttl = null): bool |
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{ |
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if ($value === '' || ! $this->_init) { |
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return false; |
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} |
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$key = $this->_key($key); |
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if ($this->_setKey($key, true) === false) { |
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return false; |
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} |
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if (! empty($this->_config['serialize'])) { |
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$value = serialize($value); |
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} |
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$expires = time() + $this->duration($ttl); |
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$contents = implode('', [$expires, PHP_EOL, $value, PHP_EOL]); |
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if ($this->_config['lock']) { |
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/** @psalm-suppress PossiblyNullReference */ |
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$this->_File->flock(LOCK_EX); |
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} |
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/** @psalm-suppress PossiblyNullReference */ |
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$this->_File->rewind(); |
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$success = $this->_File->ftruncate(0) |
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&& $this->_File->fwrite($contents) |
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&& $this->_File->fflush(); |
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if ($this->_config['lock']) { |
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$this->_File->flock(LOCK_UN); |
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} |
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$this->_File = null; |
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return $success; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function get(string $key, mixed $default = null): mixed |
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{ |
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$key = $this->_key($key); |
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if (! $this->_init || $this->_setKey($key) === false) { |
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return $default; |
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} |
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if ($this->_config['lock']) { |
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/** @psalm-suppress PossiblyNullReference */ |
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$this->_File->flock(LOCK_SH); |
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} |
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/** @psalm-suppress PossiblyNullReference */ |
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$this->_File->rewind(); |
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$time = time(); |
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$cachetime = (int) $this->_File->current(); |
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if ($cachetime < $time) { |
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if ($this->_config['lock']) { |
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$this->_File->flock(LOCK_UN); |
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} |
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return $default; |
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} |
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$data = ''; |
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$this->_File->next(); |
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while ($this->_File->valid()) { |
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/** @psalm-suppress PossiblyInvalidOperand */ |
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$data .= $this->_File->current(); |
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$this->_File->next(); |
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} |
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if ($this->_config['lock']) { |
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$this->_File->flock(LOCK_UN); |
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} |
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$data = trim($data); |
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if ($data !== '' && ! empty($this->_config['serialize'])) { |
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$data = unserialize($data); |
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} |
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return $data; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function delete(string $key): bool |
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{ |
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$key = $this->_key($key); |
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if ($this->_setKey($key) === false || ! $this->_init) { |
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return false; |
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} |
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/** @psalm-suppress PossiblyNullReference */ |
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$path = $this->_File->getRealPath(); |
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$this->_File = null; |
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if ($path === false) { |
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return false; |
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} |
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// phpcs:disable |
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return @unlink($path); |
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// phpcs:enable |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function clear(): bool |
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{ |
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if (! $this->_init) { |
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return false; |
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} |
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$this->_File = null; |
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$this->_clearDirectory($this->_config['path']); |
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$directory = new RecursiveDirectoryIterator( |
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$this->_config['path'], |
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FilesystemIterator::SKIP_DOTS |
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); |
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$contents = new RecursiveIteratorIterator( |
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$directory, |
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RecursiveIteratorIterator::SELF_FIRST |
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); |
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$cleared = []; |
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/** @var SplFileInfo $fileInfo */ |
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foreach ($contents as $fileInfo) { |
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if ($fileInfo->isFile()) { |
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unset($fileInfo); |
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continue; |
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} |
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$realPath = $fileInfo->getRealPath(); |
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if (! $realPath) { |
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unset($fileInfo); |
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continue; |
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} |
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$path = $realPath . DIRECTORY_SEPARATOR; |
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if (! in_array($path, $cleared, true)) { |
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$this->_clearDirectory($path); |
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$cleared[] = $path; |
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} |
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// les itérateurs internes possibles doivent également être désactivés pour que les verrous sur les parents soient libérés |
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unset($fileInfo); |
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} |
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// la désactivation des itérateurs aide à libérer les verrous possibles dans certains environnements, |
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// ce qui pourrait sinon faire échouer `rmdir()` |
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unset($directory, $contents); |
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return true; |
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} |
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/** |
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* Utilisé pour effacer un répertoire de fichiers correspondants. |
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*/ |
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protected function _clearDirectory(string $path): void |
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{ |
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if (! is_dir($path)) { |
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return; |
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} |
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$dir = dir($path); |
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if (! $dir) { |
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return; |
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} |
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$prefixLength = strlen($this->_config['prefix']); |
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while (($entry = $dir->read()) !== false) { |
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if (substr($entry, 0, $prefixLength) !== $this->_config['prefix']) { |
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continue; |
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} |
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try { |
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$file = new SplFileObject($path . $entry, 'r'); |
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} catch (Exception $e) { |
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continue; |
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} |
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if ($file->isFile()) { |
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$filePath = $file->getRealPath(); |
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unset($file); |
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// phpcs:disable |
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@unlink($filePath); |
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// phpcs:enable |
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} |
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} |
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$dir->close(); |
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} |
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/** |
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* Pas implementé |
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* |
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* @throws LogicException |
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*/ |
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public function decrement(string $key, int $offset = 1) |
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{ |
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throw new LogicException('Les fichiers ne peuvent pas être décrémentés de manière atomique.'); |
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} |
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/** |
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* Pas implementé |
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* |
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* @throws LogicException |
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*/ |
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public function increment(string $key, int $offset = 1) |
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309
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{ |
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throw new LogicException('Les fichiers ne peuvent pas être incrémentés de manière atomique.'); |
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} |
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/** |
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* {@inheritDoc} |
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315
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*/ |
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316
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public function info() |
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317
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{ |
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return $this->getDirFileInfo($this->_config['path']); |
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} |
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320
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321
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/** |
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322
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* Définit la clé de cache actuelle que cette classe gère et crée un SplFileObject inscriptible |
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323
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* pour le fichier cache auquel la clé fait référence. |
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324
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* |
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325
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* @param bool $createKey Whether the key should be created if it doesn't exists, or not |
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326
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* |
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327
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* @return bool true if the cache key could be set, false otherwise |
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328
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*/ |
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329
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protected function _setKey(string $key, bool $createKey = false): bool |
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330
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{ |
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331
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$groups = null; |
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332
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if ($this->_groupPrefix) { |
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333
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$groups = vsprintf($this->_groupPrefix, $this->groups()); |
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334
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} |
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335
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$dir = $this->_config['path'] . $groups; |
|
336
|
|
|
|
|
337
|
|
|
if (! is_dir($dir)) { |
|
338
|
|
|
mkdir($dir, 0775, true); |
|
339
|
|
|
} |
|
340
|
|
|
|
|
341
|
|
|
$path = new SplFileInfo($dir . $key); |
|
342
|
|
|
|
|
343
|
|
|
if (! $createKey && ! $path->isFile()) { |
|
344
|
|
|
return false; |
|
345
|
|
|
} |
|
346
|
|
|
if ( |
|
347
|
|
|
empty($this->_File) |
|
348
|
|
|
|| $this->_File->getBasename() !== $key |
|
349
|
|
|
|| $this->_File->valid() === false |
|
350
|
|
|
) { |
|
351
|
|
|
$exists = is_file($path->getPathname()); |
|
352
|
|
|
|
|
353
|
|
|
try { |
|
354
|
|
|
$this->_File = $path->openFile('c+'); |
|
355
|
|
|
} catch (Exception $e) { |
|
356
|
|
|
trigger_error($e->getMessage(), E_USER_WARNING); |
|
357
|
|
|
|
|
358
|
|
|
return false; |
|
359
|
|
|
} |
|
360
|
|
|
unset($path); |
|
361
|
|
|
|
|
362
|
|
|
if (! $exists && ! chmod($this->_File->getPathname(), (int) $this->_config['mask'])) { |
|
363
|
|
|
trigger_error(sprintf( |
|
364
|
|
|
'Impossible d\'appliquer le masque d\'autorisation "%s" sur le fichier cache "%s"', |
|
365
|
|
|
$this->_File->getPathname(), |
|
366
|
|
|
$this->_config['mask'] |
|
367
|
|
|
), E_USER_WARNING); |
|
368
|
|
|
} |
|
369
|
|
|
} |
|
370
|
|
|
|
|
371
|
|
|
return true; |
|
372
|
|
|
} |
|
373
|
|
|
|
|
374
|
|
|
/** |
|
375
|
|
|
* Déterminer si le répertoire de cache est accessible en écriture |
|
376
|
|
|
*/ |
|
377
|
|
|
protected function _active(): bool |
|
378
|
|
|
{ |
|
379
|
|
|
$dir = new SplFileInfo($this->_config['path']); |
|
380
|
|
|
$path = $dir->getPathname(); |
|
381
|
|
|
$success = true; |
|
382
|
|
|
if (! is_dir($path)) { |
|
383
|
|
|
// phpcs:disable |
|
384
|
|
|
$success = @mkdir($path, 0775, true); |
|
385
|
|
|
// phpcs:enable |
|
386
|
|
|
} |
|
387
|
|
|
|
|
388
|
|
|
$isWritableDir = ($dir->isDir() && $dir->isWritable()); |
|
389
|
|
|
if (! $success || ($this->_init && ! $isWritableDir)) { |
|
390
|
|
|
$this->_init = false; |
|
391
|
|
|
trigger_error(sprintf( |
|
392
|
|
|
'%s is not writable', |
|
393
|
|
|
$this->_config['path'] |
|
394
|
|
|
), E_USER_WARNING); |
|
395
|
|
|
} |
|
396
|
|
|
|
|
397
|
|
|
return $success; |
|
398
|
|
|
} |
|
399
|
|
|
|
|
400
|
|
|
/** |
|
401
|
|
|
* {@inheritDoc} |
|
402
|
|
|
*/ |
|
403
|
|
|
protected function _key($key): string |
|
404
|
|
|
{ |
|
405
|
|
|
$key = parent::_key($key); |
|
406
|
|
|
|
|
407
|
|
|
if (preg_match('/[\/\\<>?:|*"]/', $key)) { |
|
408
|
|
|
throw new InvalidArgumentException( |
|
409
|
|
|
"La clé de cache `{$key}` contient des caractères non valides. " . |
|
410
|
|
|
'Vous ne pouvez pas utiliser /, \\, <, >, ?, :, |, * ou " dans les clés de cache.' |
|
411
|
|
|
); |
|
412
|
|
|
} |
|
413
|
|
|
|
|
414
|
|
|
return $key; |
|
415
|
|
|
} |
|
416
|
|
|
|
|
417
|
|
|
/** |
|
418
|
|
|
* Supprime récursivement tous les fichiers sous n'importe quel répertoire nommé $group |
|
419
|
|
|
*/ |
|
420
|
|
|
public function clearGroup(string $group): bool |
|
421
|
|
|
{ |
|
422
|
|
|
$this->_File = null; |
|
423
|
|
|
|
|
424
|
|
|
$prefix = (string) $this->_config['prefix']; |
|
425
|
|
|
|
|
426
|
|
|
$directoryIterator = new RecursiveDirectoryIterator($this->_config['path']); |
|
427
|
|
|
$contents = new RecursiveIteratorIterator( |
|
428
|
|
|
$directoryIterator, |
|
429
|
|
|
RecursiveIteratorIterator::CHILD_FIRST |
|
430
|
|
|
); |
|
431
|
|
|
$filtered = new CallbackFilterIterator( |
|
432
|
|
|
$contents, |
|
433
|
|
|
static function (SplFileInfo $current) use ($group, $prefix) { |
|
434
|
|
|
if (! $current->isFile()) { |
|
435
|
|
|
return false; |
|
436
|
|
|
} |
|
437
|
|
|
|
|
438
|
|
|
$hasPrefix = $prefix === '' |
|
439
|
|
|
|| strpos($current->getBasename(), $prefix) === 0; |
|
440
|
|
|
if ($hasPrefix === false) { |
|
441
|
|
|
return false; |
|
442
|
|
|
} |
|
443
|
|
|
|
|
444
|
|
|
$pos = strpos( |
|
445
|
|
|
$current->getPathname(), |
|
446
|
|
|
DIRECTORY_SEPARATOR . $group . DIRECTORY_SEPARATOR |
|
447
|
|
|
); |
|
448
|
|
|
|
|
449
|
|
|
return $pos !== false; |
|
450
|
|
|
} |
|
451
|
|
|
); |
|
452
|
|
|
|
|
453
|
|
|
foreach ($filtered as $object) { |
|
454
|
|
|
$path = $object->getPathname(); |
|
455
|
|
|
unset($object); |
|
456
|
|
|
// phpcs:ignore |
|
457
|
|
|
@unlink($path); |
|
|
|
|
|
|
458
|
|
|
} |
|
459
|
|
|
|
|
460
|
|
|
// la désactivation des itérateurs permet de libérer d'éventuels verrous dans certains environnements, |
|
461
|
|
|
// qui pourrait autrement faire échouer `rmdir()` |
|
462
|
|
|
unset($directoryIterator, $contents, $filtered); |
|
463
|
|
|
|
|
464
|
|
|
return true; |
|
465
|
|
|
} |
|
466
|
|
|
|
|
467
|
|
|
|
|
468
|
|
|
|
|
469
|
|
|
/** |
|
470
|
|
|
* Lit le répertoire spécifié et construit un tableau contenant les noms de fichiers, |
|
471
|
|
|
* taille de fichier, dates et autorisations |
|
472
|
|
|
* |
|
473
|
|
|
* Tous les sous-dossiers contenus dans le chemin spécifié sont également lus. |
|
474
|
|
|
* |
|
475
|
|
|
* @param string $sourceDir Chemin d'accès à la source |
|
476
|
|
|
* @param bool $topLevelOnly Ne regarder que le répertoire de niveau supérieur spécifié ? |
|
477
|
|
|
* @param bool $_recursion Variable interne pour déterminer l'état de la récursivité - ne pas utiliser dans les appels |
|
478
|
|
|
* |
|
479
|
|
|
* @return array|false |
|
480
|
|
|
*/ |
|
481
|
|
|
protected function getDirFileInfo(string $sourceDir, bool $topLevelOnly = true, bool $_recursion = false) |
|
482
|
|
|
{ |
|
483
|
|
|
static $_filedata = []; |
|
484
|
|
|
$relativePath = $sourceDir; |
|
485
|
|
|
|
|
486
|
|
|
if ($fp = @opendir($sourceDir)) { |
|
487
|
|
|
// réinitialise le tableau et s'assure que $source_dir a une barre oblique à la fin de l'appel initial |
|
488
|
|
|
if ($_recursion === false) { |
|
489
|
|
|
$_filedata = []; |
|
490
|
|
|
$sourceDir = rtrim(realpath($sourceDir) ?: $sourceDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR; |
|
491
|
|
|
} |
|
492
|
|
|
|
|
493
|
|
|
// Utilisé pour être foreach (scandir($source_dir, 1) comme $file), mais scandir() n'est tout simplement pas aussi rapide |
|
494
|
|
|
while (false !== ($file = readdir($fp))) { |
|
495
|
|
|
if (is_dir($sourceDir . $file) && $file[0] !== '.' && $topLevelOnly === false) { |
|
496
|
|
|
$this->getDirFileInfo($sourceDir . $file . DIRECTORY_SEPARATOR, $topLevelOnly, true); |
|
497
|
|
|
} elseif (! is_dir($sourceDir . $file) && $file[0] !== '.') { |
|
498
|
|
|
$_filedata[$file] = $this->getFileInfo($sourceDir . $file); |
|
499
|
|
|
$_filedata[$file]['relative_path'] = $relativePath; |
|
500
|
|
|
} |
|
501
|
|
|
} |
|
502
|
|
|
|
|
503
|
|
|
closedir($fp); |
|
504
|
|
|
|
|
505
|
|
|
return $_filedata; |
|
506
|
|
|
} |
|
507
|
|
|
|
|
508
|
|
|
return false; |
|
509
|
|
|
} |
|
510
|
|
|
|
|
511
|
|
|
/** |
|
512
|
|
|
* Étant donné un fichier et un chemin, renvoie le nom, le chemin, la taille, la date de modification |
|
513
|
|
|
* Le deuxième paramètre vous permet de déclarer explicitement les informations que vous souhaitez renvoyer |
|
514
|
|
|
* Les options sont : nom, chemin_serveur, taille, date, lisible, inscriptible, exécutable, fileperms |
|
515
|
|
|
* Renvoie FALSE si le fichier est introuvable. |
|
516
|
|
|
* |
|
517
|
|
|
* @param array|string $returnedValues Tableau ou chaîne d'informations séparées par des virgules renvoyée |
|
518
|
|
|
* |
|
519
|
|
|
* @return array|false |
|
520
|
|
|
*/ |
|
521
|
|
|
protected function getFileInfo(string $file, $returnedValues = ['name', 'server_path', 'size', 'date']) |
|
522
|
|
|
{ |
|
523
|
|
|
if (! is_file($file)) { |
|
524
|
|
|
return false; |
|
525
|
|
|
} |
|
526
|
|
|
|
|
527
|
|
|
if (is_string($returnedValues)) { |
|
528
|
|
|
$returnedValues = explode(',', $returnedValues); |
|
529
|
|
|
} |
|
530
|
|
|
|
|
531
|
|
|
$fileInfo = []; |
|
532
|
|
|
|
|
533
|
|
|
foreach ($returnedValues as $key) { |
|
534
|
|
|
switch ($key) { |
|
535
|
|
|
case 'name': |
|
536
|
|
|
$fileInfo['name'] = basename($file); |
|
537
|
|
|
break; |
|
538
|
|
|
|
|
539
|
|
|
case 'server_path': |
|
540
|
|
|
$fileInfo['server_path'] = $file; |
|
541
|
|
|
break; |
|
542
|
|
|
|
|
543
|
|
|
case 'size': |
|
544
|
|
|
$fileInfo['size'] = filesize($file); |
|
545
|
|
|
break; |
|
546
|
|
|
|
|
547
|
|
|
case 'date': |
|
548
|
|
|
$fileInfo['date'] = filemtime($file); |
|
549
|
|
|
break; |
|
550
|
|
|
|
|
551
|
|
|
case 'readable': |
|
552
|
|
|
$fileInfo['readable'] = is_readable($file); |
|
553
|
|
|
break; |
|
554
|
|
|
|
|
555
|
|
|
case 'writable': |
|
556
|
|
|
$fileInfo['writable'] = is_writable($file); |
|
557
|
|
|
break; |
|
558
|
|
|
|
|
559
|
|
|
case 'executable': |
|
560
|
|
|
$fileInfo['executable'] = is_executable($file); |
|
561
|
|
|
break; |
|
562
|
|
|
|
|
563
|
|
|
case 'fileperms': |
|
564
|
|
|
$fileInfo['fileperms'] = fileperms($file); |
|
565
|
|
|
break; |
|
566
|
|
|
} |
|
567
|
|
|
} |
|
568
|
|
|
|
|
569
|
|
|
return $fileInfo; |
|
570
|
|
|
} |
|
571
|
|
|
} |
|
572
|
|
|
|
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.