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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\HttpFoundation\Session\Storage\Proxy;
  13  
  14  /**
  15   * @author Drak <drak@zikula.org>
  16   */
  17  class SessionHandlerProxy extends AbstractProxy implements \SessionHandlerInterface, \SessionUpdateTimestampHandlerInterface
  18  {
  19      protected $handler;
  20  
  21      public function __construct(\SessionHandlerInterface $handler)
  22      {
  23          $this->handler = $handler;
  24          $this->wrapper = ($handler instanceof \SessionHandler);
  25          $this->saveHandlerName = $this->wrapper ? ini_get('session.save_handler') : 'user';
  26      }
  27  
  28      /**
  29       * @return \SessionHandlerInterface
  30       */
  31      public function getHandler()
  32      {
  33          return $this->handler;
  34      }
  35  
  36      // \SessionHandlerInterface
  37  
  38      /**
  39       * {@inheritdoc}
  40       */
  41      public function open($savePath, $sessionName)
  42      {
  43          return (bool) $this->handler->open($savePath, $sessionName);
  44      }
  45  
  46      /**
  47       * {@inheritdoc}
  48       */
  49      public function close()
  50      {
  51          return (bool) $this->handler->close();
  52      }
  53  
  54      /**
  55       * {@inheritdoc}
  56       */
  57      public function read($sessionId)
  58      {
  59          return (string) $this->handler->read($sessionId);
  60      }
  61  
  62      /**
  63       * {@inheritdoc}
  64       */
  65      public function write($sessionId, $data)
  66      {
  67          return (bool) $this->handler->write($sessionId, $data);
  68      }
  69  
  70      /**
  71       * {@inheritdoc}
  72       */
  73      public function destroy($sessionId)
  74      {
  75          return (bool) $this->handler->destroy($sessionId);
  76      }
  77  
  78      /**
  79       * @return bool
  80       */
  81      public function gc($maxlifetime)
  82      {
  83          return (bool) $this->handler->gc($maxlifetime);
  84      }
  85  
  86      /**
  87       * {@inheritdoc}
  88       */
  89      public function validateId($sessionId)
  90      {
  91          return !$this->handler instanceof \SessionUpdateTimestampHandlerInterface || $this->handler->validateId($sessionId);
  92      }
  93  
  94      /**
  95       * {@inheritdoc}
  96       */
  97      public function updateTimestamp($sessionId, $data)
  98      {
  99          return $this->handler instanceof \SessionUpdateTimestampHandlerInterface ? $this->handler->updateTimestamp($sessionId, $data) : $this->write($sessionId, $data);
 100      }
 101  }