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<?php |
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namespace Cake\Http\Session; |
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use Psr\Cache\CacheItemPoolInterface; |
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use SessionHandlerInterface; |
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/** |
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* CacheSession provides method for saving sessions into cache engines |
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* implementing the PSR cache interfaces |
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* |
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* @link https://www.php-fig.org/psr/psr-6/ |
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*/ |
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class PsrCacheHandler implements SessionHandlerInterface |
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{ |
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/** |
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* PSR Cache Item Pool |
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* |
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* @var \Psr\Cache\CacheItemPoolInterface |
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*/ |
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protected CacheItemPoolInterface $cachePool; |
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/** |
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* @var string |
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*/ |
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protected string $cacheItemClass; |
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/** |
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* Constructor. |
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* |
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* @param \Psr\Cache\CacheItemPoolInterface $cacheItemPool |
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*/ |
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public function __construct(CacheItemPoolInterface $cacheItemPool) |
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{ |
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$this->cachePool = $cacheItemPool; |
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} |
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/** |
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* Method called on open of a database session. |
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* |
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* @param string $savePath The path where to store/retrieve the session. |
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* @param string $name The session name. |
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* @return bool Success |
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*/ |
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public function open($savePath, $name) |
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{ |
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return true; |
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} |
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/** |
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* Method called on close of a database session. |
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* |
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* @return bool Success |
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*/ |
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public function close() |
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{ |
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return true; |
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} |
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/** |
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* Method used to read from a cache session. |
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* |
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* @param string|int $id ID that uniquely identifies session in cache. |
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* @return string Session data or empty string if it does not exist. |
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*/ |
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public function read($id) |
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{ |
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$cacheItem = $this->cachePool->getItem($id); |
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$value = $cacheItem->get(); |
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return $value ?? null; |
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} |
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/** |
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* Helper function called on write for cache sessions. |
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* |
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* @param string|int $id ID that uniquely identifies session in cache. |
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* @param mixed $data The data to be saved. |
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* @return bool True for successful write, false otherwise. |
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*/ |
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public function write($id, $data) |
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{ |
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if (!$id) { |
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return false; |
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} |
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if ($this->cachePool->hasItem($id)) { |
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$cacheItem = $this->cachePool->getItem($id); |
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} else { |
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$class = $this->cacheItemClass; |
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$cacheItem = new $class(); |
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} |
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$cacheItem->set($data); |
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return true; |
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} |
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/** |
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* Method called on the destruction of a cache session. |
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* |
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* @param string|int $id ID that uniquely identifies session in cache. |
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* @return bool Always true. |
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*/ |
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public function destroy($id) |
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{ |
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$this->cachePool->deleteItem($id); |
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return true; |
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} |
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/** |
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* Helper function called on gc for cache sessions. |
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* |
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* @param int $maxlifetime Sessions that have not updated for the last maxlifetime seconds will be removed. |
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* @return bool Always true. |
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*/ |
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public function gc($maxlifetime) |
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{ |
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return true; |
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} |
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} |
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Phauthentic /
session
