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<?php |
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namespace League\Flysystem\Cached\Storage; |
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use League\Flysystem\Cached\CacheInterface; |
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use League\Flysystem\Config; |
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use League\Flysystem\Util; |
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abstract class AbstractCache implements CacheInterface |
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{ |
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/** |
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* @var bool |
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*/ |
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protected $autosave = true; |
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/** |
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* @var array |
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*/ |
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protected $cache = []; |
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/** |
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* @var array |
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*/ |
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protected $complete = []; |
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/** |
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* @var Config |
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*/ |
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protected $config; |
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/** |
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* Destructor. |
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*/ |
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public function __destruct() |
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{ |
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if (! $this->autosave) { |
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$this->save(); |
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} |
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} |
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/** |
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* Get the config object or null. |
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* |
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* @return Config|null config |
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*/ |
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public function getConfig() |
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{ |
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return $this->config; |
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} |
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/** |
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* Set the config. |
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* |
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* @param Config|array|null $config |
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*/ |
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public function setConfig($config) |
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{ |
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$this->config = Util::ensureConfig($config); |
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} |
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/** |
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* Get the autosave setting. |
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* |
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* @return bool autosave |
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*/ |
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public function getAutosave() |
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{ |
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return $this->autosave; |
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} |
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/** |
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* Get the autosave setting. |
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* |
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* @param bool $autosave |
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*/ |
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public function setAutosave($autosave) |
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{ |
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$this->autosave = $autosave; |
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} |
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/** |
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* Store the contents listing. |
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* |
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* @param string $directory |
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* @param array $contents |
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* @param bool $recursive |
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* |
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* @return array contents listing |
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*/ |
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public function storeContents($directory, array $contents, $recursive = false) |
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{ |
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$directories = [$directory]; |
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foreach ($contents as $object) { |
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$this->updateObject($object['path'], $object); |
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$object = $this->cache[$this->case($object['path'])]; |
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if ($recursive && $this->pathIsInDirectory($directory, $object['path'])) { |
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$directories[] = $object['dirname']; |
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} |
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} |
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foreach (array_unique($directories) as $directory) { |
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$this->setComplete($directory, $recursive); |
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} |
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$this->autosave(); |
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} |
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/** |
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* Update the metadata for an object. |
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* |
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* @param string $path object path |
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* @param array $object object metadata |
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* @param bool $autosave whether to trigger the autosave routine |
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*/ |
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public function updateObject($path, array $object, $autosave = false) |
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{ |
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$key = $this->case($path); |
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if (! $this->has($path)) { |
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$this->cache[$key] = Util::pathinfo($path); |
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} |
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$this->cache[$key] = array_merge($this->cache[$key], $object); |
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if ($autosave) { |
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$this->autosave(); |
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} |
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$this->ensureParentDirectories($path); |
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} |
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/** |
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* Store object hit miss. |
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* |
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* @param string $path |
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*/ |
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public function storeMiss($path) |
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{ |
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$this->cache[$this->case($path)] = false; |
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$this->autosave(); |
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} |
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/** |
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* Get the contents listing. |
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* |
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* @param string $dirname |
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* @param bool $recursive |
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* |
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* @return array contents listing |
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*/ |
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public function listContents($dirname = '', $recursive = false) |
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{ |
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$key = $this->case($dirname); |
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$result = []; |
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foreach ($this->cache as $object) { |
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if ($object === false) { |
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continue; |
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} |
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if ($this->case($object['dirname']) === $key) { |
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$result[] = $object; |
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} elseif ($recursive && $this->pathIsInDirectory($key, $object['path'])) { |
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$result[] = $object; |
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} |
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} |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($path) |
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{ |
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$key = $this->case($path); |
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if ($path !== false && array_key_exists($key, $this->cache)) { |
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return $this->cache[$key] !== false; |
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} |
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if ($this->isComplete(Util::dirname($path), false)) { |
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return false; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function read($path) |
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{ |
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$key = $this->case($path); |
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if (isset($this->cache[$key]['contents']) && $this->cache[$key]['contents'] !== false) { |
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return $this->cache[$key]; |
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} |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function readStream($path) |
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{ |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rename($path, $newpath) |
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{ |
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if (!$this->has($path)) { |
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return; |
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} |
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$key = $this->case($path); |
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$object = $this->cache[$key]; |
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unset($this->cache[$key]); |
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$object['path'] = $newpath; |
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$object = array_merge($object, Util::pathinfo($newpath)); |
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$this->cache[$this->case($newpath)] = $object; |
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$this->autosave(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function copy($path, $newpath) |
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{ |
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if (!$this->has($path)) { |
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return; |
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} |
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$object = $this->cache[$this->case($path)]; |
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$object = array_merge($object, Util::pathinfo($newpath)); |
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$this->updateObject($newpath, $object, true); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($path) |
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{ |
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$this->storeMiss($path); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function deleteDir($dirname) |
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{ |
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$dirname = $this->case($dirname); |
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foreach ($this->cache as $path => $object) { |
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$key = $this->case($path); |
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if ($this->pathIsInDirectory($dirname, $path) || $key === $dirname) { |
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unset($this->cache[$key]); |
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} |
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} |
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unset($this->complete[$dirname]); |
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$this->autosave(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getMimetype($path) |
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{ |
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$key = $this->case($path); |
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if (isset($this->cache[$key]['mimetype'])) { |
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return $this->cache[$key]; |
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} |
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287
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if (! $result = $this->read($path)) { |
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return false; |
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} |
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$this->cache[$key]['mimetype'] = Util::guessMimeType($path, $result['contents']); |
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293
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return $this->cache[$key]; |
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} |
295
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296
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/** |
297
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* {@inheritdoc} |
298
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*/ |
299
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public function getSize($path) |
300
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{ |
301
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$key = $this->case($path); |
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3 |
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303
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if (isset($this->cache[$key]['size'])) { |
304
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return $this->cache[$key]; |
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} |
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307
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return false; |
308
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} |
309
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310
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/** |
311
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24 |
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* {@inheritdoc} |
312
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*/ |
313
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public function getTimestamp($path) |
314
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{ |
315
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$key = $this->case($path); |
316
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317
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if (isset($this->cache[$key]['timestamp'])) { |
318
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return $this->cache[$key]; |
319
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} |
320
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321
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return false; |
322
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} |
323
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39 |
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324
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/** |
325
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39 |
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* {@inheritdoc} |
326
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39 |
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*/ |
327
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39 |
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public function getVisibility($path) |
328
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39 |
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{ |
329
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$key = $this->case($path); |
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331
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if (isset($this->cache[$key]['visibility'])) { |
332
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return $this->cache[$key]; |
333
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} |
334
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335
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return false; |
336
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39 |
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} |
337
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338
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/** |
339
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* {@inheritdoc} |
340
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*/ |
341
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public function getMetadata($path) |
342
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3 |
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{ |
343
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$key = $this->case($path); |
344
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3 |
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345
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3 |
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if (isset($this->cache[$key]['type'])) { |
346
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return $this->cache[$key]; |
347
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3 |
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} |
348
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349
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return false; |
350
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} |
351
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352
|
51 |
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/** |
353
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* {@inheritdoc} |
354
|
51 |
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*/ |
355
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51 |
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public function isComplete($dirname, $recursive) |
356
|
51 |
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{ |
357
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51 |
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$key = $this->case($dirname); |
358
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359
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if (! array_key_exists($key, $this->complete)) { |
360
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return false; |
361
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} |
362
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363
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if ($recursive && $this->complete[$key] !== 'recursive') { |
364
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24 |
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return false; |
365
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} |
366
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24 |
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367
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return true; |
368
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24 |
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} |
369
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370
|
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/** |
371
|
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* {@inheritdoc} |
372
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*/ |
373
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public function setComplete($dirname, $recursive) |
374
|
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{ |
375
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$this->complete[$this->case($dirname)] = $recursive ? 'recursive' : true; |
376
|
18 |
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} |
377
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|
378
|
18 |
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/** |
379
|
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* Filter the contents from a listing. |
380
|
18 |
|
* |
381
|
18 |
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* @param array $contents object listing |
382
|
18 |
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* |
383
|
18 |
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* @return array filtered contents |
384
|
18 |
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*/ |
385
|
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|
public function cleanContents(array $contents) |
386
|
|
|
{ |
387
|
|
|
$cachedProperties = array_flip([ |
388
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|
|
'path', 'dirname', 'basename', 'extension', 'filename', |
389
|
|
|
'size', 'mimetype', 'visibility', 'timestamp', 'type', |
390
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|
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'md5', |
391
|
48 |
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]); |
392
|
|
|
|
393
|
48 |
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foreach ($contents as $path => $object) { |
394
|
|
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if (is_array($object)) { |
395
|
48 |
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$contents[$this->case($path)] = array_intersect_key($object, $cachedProperties); |
396
|
12 |
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} |
397
|
12 |
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} |
398
|
12 |
|
|
399
|
12 |
|
return $contents; |
400
|
48 |
|
} |
401
|
|
|
|
402
|
|
|
/** |
403
|
|
|
* {@inheritdoc} |
404
|
|
|
*/ |
405
|
|
|
public function flush() |
406
|
|
|
{ |
407
|
|
|
$this->cache = []; |
408
|
|
|
$this->complete = []; |
409
|
|
|
$this->autosave(); |
410
|
18 |
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} |
411
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|
|
412
|
18 |
|
/** |
413
|
|
|
* {@inheritdoc} |
414
|
|
|
*/ |
415
|
|
|
public function autosave() |
416
|
|
|
{ |
417
|
|
|
if ($this->autosave) { |
418
|
|
|
$this->save(); |
419
|
|
|
} |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
/** |
423
|
|
|
* Retrieve serialized cache data. |
424
|
|
|
* |
425
|
|
|
* @return string serialized data |
426
|
|
|
*/ |
427
|
|
|
public function getForStorage() |
428
|
|
|
{ |
429
|
|
|
$cleaned = $this->cleanContents($this->cache); |
430
|
|
|
|
431
|
|
|
return json_encode([$cleaned, $this->complete]); |
432
|
|
|
} |
433
|
|
|
|
434
|
|
|
/** |
435
|
|
|
* Load from serialized cache data. |
436
|
|
|
* |
437
|
|
|
* @param string $json |
438
|
|
|
*/ |
439
|
|
|
public function setFromStorage($json) |
440
|
|
|
{ |
441
|
|
|
list($cache, $complete) = json_decode($json, true); |
442
|
|
|
|
443
|
|
|
if (json_last_error() === JSON_ERROR_NONE && is_array($cache) && is_array($complete)) { |
444
|
|
|
$this->cache = $cache; |
445
|
|
|
$this->complete = $complete; |
446
|
|
|
} |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
/** |
450
|
|
|
* Ensure parent directories of an object. |
451
|
|
|
* |
452
|
|
|
* @param string $path object path |
453
|
|
|
*/ |
454
|
|
|
public function ensureParentDirectories($path) |
455
|
|
|
{ |
456
|
|
|
$object = $this->cache[$this->case($path)]; |
457
|
|
|
|
458
|
|
|
while ($object['dirname'] !== '' && ! isset($this->cache[$this->case($object['dirname'])])) { |
459
|
|
|
$object = Util::pathinfo($object['dirname']); |
460
|
|
|
$object['type'] = 'dir'; |
461
|
|
|
$this->cache[$this->case($object['path'])] = $object; |
462
|
|
|
} |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
/** |
466
|
|
|
* Determines if the path is inside the directory. |
467
|
|
|
* |
468
|
|
|
* @param string $directory |
469
|
|
|
* @param string $path |
470
|
|
|
* |
471
|
|
|
* @return bool |
472
|
|
|
*/ |
473
|
|
|
protected function pathIsInDirectory($directory, $path) |
474
|
|
|
{ |
475
|
|
|
return $directory === '' || strpos($this->case($path), $this->case($directory) . '/') === 0; |
476
|
|
|
} |
477
|
|
|
|
478
|
|
|
/** |
479
|
|
|
* Return the path string checking case_sensitive config value |
480
|
|
|
* |
481
|
|
|
* @param string $path |
482
|
|
|
* |
483
|
|
|
* @return string |
484
|
|
|
*/ |
485
|
|
|
protected function case($path) |
486
|
|
|
{ |
487
|
|
|
if ($this->config && $this->config->get('case_sensitive', true) === false) { |
488
|
|
|
$path = strtolower($path); |
489
|
|
|
} |
490
|
|
|
|
491
|
|
|
return $path; |
492
|
|
|
} |
493
|
|
|
} |
494
|
|
|
|
If an expression can have both
false
, andnull
as possible values. It is generally a good practice to always use strict comparison to clearly distinguish between those two values.