WriteSafeSessionHandler.php in Zircon Profile 8

Contains \Drupal\Core\Session\WriteSafeSessionHandler.

Namespace

Drupal\Core\Session

File

core/lib/Drupal/Core/Session/WriteSafeSessionHandler.php

<?php

/**
 * @file
 * Contains \Drupal\Core\Session\WriteSafeSessionHandler.
 */
namespace Drupal\Core\Session;


/**
 * Wraps another SessionHandlerInterface to prevent writes when not allowed.
 */
class WriteSafeSessionHandler implements \SessionHandlerInterface, WriteSafeSessionHandlerInterface {

  /**
   * @var \SessionHandlerInterface
   */
  protected $wrappedSessionHandler;

  /**
   * Whether or not the session is enabled for writing.
   *
   * @var bool
   */
  protected $sessionWritable;

  /**
   * Constructs a new write safe session handler.
   *
   * @param \SessionHandlerInterface $wrapped_session_handler
   *   The underlying session handler.
   * @param bool $session_writable
   *   Whether or not the session should be initially writable.
   */
  public function __construct(\SessionHandlerInterface $wrapped_session_handler, $session_writable = TRUE) {
    $this->wrappedSessionHandler = $wrapped_session_handler;
    $this->sessionWritable = $session_writable;
  }

  /**
   * {@inheritdoc}
   */
  public function close() {
    return $this->wrappedSessionHandler
      ->close();
  }

  /**
   * {@inheritdoc}
   */
  public function destroy($session_id) {
    return $this->wrappedSessionHandler
      ->destroy($session_id);
  }

  /**
   * {@inheritdoc}
   */
  public function gc($max_lifetime) {
    return $this->wrappedSessionHandler
      ->gc($max_lifetime);
  }

  /**
   * {@inheritdoc}
   */
  public function open($save_path, $session_id) {
    return $this->wrappedSessionHandler
      ->open($save_path, $session_id);
  }

  /**
   * {@inheritdoc}
   */
  public function read($session_id) {
    return $this->wrappedSessionHandler
      ->read($session_id);
  }

  /**
   * {@inheritdoc}
   */
  public function write($session_id, $session_data) {
    if ($this
      ->isSessionWritable()) {
      return $this->wrappedSessionHandler
        ->write($session_id, $session_data);
    }
    else {
      return TRUE;
    }
  }

  /**
   * {@inheritdoc}
   */
  public function setSessionWritable($flag) {
    $this->sessionWritable = (bool) $flag;
  }

  /**
   * {@inheritdoc}
   */
  public function isSessionWritable() {
    return $this->sessionWritable;
  }

}

Classes

Name	Description
WriteSafeSessionHandler	Wraps another SessionHandlerInterface to prevent writes when not allowed.