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<?php |
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namespace TusPhp\Cache; |
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use Carbon\Carbon; |
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class FileStore extends AbstractCache |
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{ |
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/** @var string */ |
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protected $cacheDir; |
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/** @var string */ |
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protected $cacheFile; |
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/** |
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* FileStore constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->setCacheDir(dirname(__DIR__, 2) . DIRECTORY_SEPARATOR . '.cache' . DIRECTORY_SEPARATOR); |
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$this->setCacheFile('tus_php.cache'); |
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} |
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/** |
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* Set cache dir. |
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* |
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* @param string $path |
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* |
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* @return self |
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*/ |
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public function setCacheDir(string $path) : self |
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{ |
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$this->cacheDir = $path; |
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return $this; |
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} |
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/** |
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* Get cache dir. |
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* |
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* @return string |
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*/ |
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public function getCacheDir() : string |
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{ |
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return $this->cacheDir; |
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} |
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/** |
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* Set cache file. |
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* |
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* @param string $file |
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* |
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* @return self |
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*/ |
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public function setCacheFile(string $file) : self |
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{ |
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$this->cacheFile = $file; |
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return $this; |
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} |
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/** |
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* Get cache file. |
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* |
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* @return string |
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*/ |
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public function getCacheFile() : string |
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{ |
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return $this->cacheDir . $this->cacheFile; |
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} |
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/** |
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* Create cache dir if not exists. |
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* |
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* @return void |
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*/ |
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protected function createCacheDir() |
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{ |
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if ( ! file_exists($this->cacheDir)) { |
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mkdir($this->cacheDir); |
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} |
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} |
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/** |
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* Create cache file and add required meta. |
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* |
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* @return void |
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*/ |
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protected function createCacheFile() |
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{ |
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$this->createCacheDir(); |
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$cacheFilePath = $this->getCacheFile(); |
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if ( ! file_exists($cacheFilePath)) { |
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touch($cacheFilePath); |
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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 get(string $key, bool $withExpired = false) |
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{ |
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$contents = $this->getCacheContents(); |
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if (empty($contents[$key])) { |
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return null; |
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} |
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if ($withExpired) { |
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return $contents[$key]; |
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} |
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return $this->isValid($key) ? $contents[$key] : null; |
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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, $value) |
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{ |
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$cacheFile = $this->getCacheFile(); |
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if ( ! file_exists($cacheFile) || ! $this->isValid($key)) { |
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$this->createCacheFile(); |
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} |
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$contents = json_decode(file_get_contents($cacheFile), true) ?? []; |
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if ( ! empty($contents[$key]) && is_array($value)) { |
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$contents[$key] = $value + $contents[$key]; |
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} else { |
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$contents[$key] = $value; |
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} |
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return file_put_contents($cacheFile, json_encode($contents)); |
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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 $key) |
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{ |
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$contents = $this->getCacheContents(); |
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if (isset($contents[$key])) { |
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unset($contents[$key]); |
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return false !== file_put_contents($this->getCacheFile(), json_encode($contents)); |
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} |
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return false; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function keys() : array |
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{ |
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$contents = $this->getCacheContents(); |
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if (is_array($contents)) { |
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return array_keys($this->getCacheContents()); |
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} |
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return []; |
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} |
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/** |
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* Check if cache is still valid. |
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* |
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* @param string $key |
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* |
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* @return bool |
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*/ |
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public function isValid(string $key) : bool |
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{ |
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$meta = $this->getCacheContents()[$key] ?? []; |
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if (empty($meta['expires_at'])) { |
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return false; |
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} |
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return Carbon::now() < Carbon::createFromFormat(self::RFC_7231, $meta['expires_at']); |
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} |
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/** |
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* Get cache contents. |
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* |
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* @return array|bool |
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*/ |
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public function getCacheContents() |
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{ |
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$cacheFile = $this->getCacheFile(); |
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if ( ! file_exists($cacheFile)) { |
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return false; |
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} |
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return json_decode(file_get_contents($cacheFile), true) ?? []; |
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} |
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} |
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ankitpokhrel /
tus-php
