diff options
Diffstat (limited to 'system/libraries/Session/drivers/Session_memcached_driver.php')
| -rw-r--r-- | system/libraries/Session/drivers/Session_memcached_driver.php | 60 |
1 files changed, 34 insertions, 26 deletions
diff --git a/system/libraries/Session/drivers/Session_memcached_driver.php b/system/libraries/Session/drivers/Session_memcached_driver.php index 97b860588..d017dfb2f 100644 --- a/system/libraries/Session/drivers/Session_memcached_driver.php +++ b/system/libraries/Session/drivers/Session_memcached_driver.php @@ -6,7 +6,7 @@ * * This content is released under the MIT License (MIT) * - * Copyright (c) 2014 - 2015, British Columbia Institute of Technology + * Copyright (c) 2014 - 2016, British Columbia Institute of Technology * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -28,10 +28,10 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/) - * @copyright Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/) + * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) + * @copyright Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/) * @license http://opensource.org/licenses/MIT MIT License - * @link http://codeigniter.com + * @link https://codeigniter.com * @since Version 3.0.0 * @filesource */ @@ -44,7 +44,7 @@ defined('BASEPATH') OR exit('No direct script access allowed'); * @subpackage Libraries * @category Sessions * @author Andrey Andreev - * @link http://codeigniter.com/user_guide/libraries/sessions.html + * @link https://codeigniter.com/user_guide/libraries/sessions.html */ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHandlerInterface { @@ -117,7 +117,7 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa { $this->_memcached = NULL; log_message('error', 'Session: Invalid Memcached save path format: '.$this->_config['save_path']); - return FALSE; + return $this->_failure; } foreach ($matches as $match) @@ -142,10 +142,10 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa if (empty($server_list)) { log_message('error', 'Session: Memcached server pool is empty.'); - return FALSE; + return $this->_failure; } - return TRUE; + return $this->_success; } // ------------------------------------------------------------------------ @@ -170,7 +170,7 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa return $session_data; } - return FALSE; + return $this->_failure; } // ------------------------------------------------------------------------ @@ -188,14 +188,14 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa { if ( ! isset($this->_memcached)) { - return FALSE; + return $this->_failure; } // Was the ID regenerated? elseif ($session_id !== $this->_session_id) { if ( ! $this->_release_lock() OR ! $this->_get_lock($session_id)) { - return FALSE; + return $this->_failure; } $this->_fingerprint = md5(''); @@ -210,16 +210,18 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa if ($this->_memcached->set($this->_key_prefix.$session_id, $session_data, $this->_config['expiration'])) { $this->_fingerprint = $fingerprint; - return TRUE; + return $this->_success; } - return FALSE; + return $this->_failure; } - return $this->_memcached->touch($this->_key_prefix.$session_id, $this->_config['expiration']); + return $this->_memcached->touch($this->_key_prefix.$session_id, $this->_config['expiration']) + ? $this->_success + : $this->_failure; } - return FALSE; + return $this->_failure; } // ------------------------------------------------------------------------ @@ -238,14 +240,14 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa isset($this->_lock_key) && $this->_memcached->delete($this->_lock_key); if ( ! $this->_memcached->quit()) { - return FALSE; + return $this->_failure; } $this->_memcached = NULL; - return TRUE; + return $this->_success; } - return FALSE; + return $this->_failure; } // ------------------------------------------------------------------------ @@ -263,10 +265,11 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa if (isset($this->_memcached, $this->_lock_key)) { $this->_memcached->delete($this->_key_prefix.$session_id); - return $this->_cookie_destroy(); + $this->_cookie_destroy(); + return $this->_success; } - return FALSE; + return $this->_failure; } // ------------------------------------------------------------------------ @@ -282,7 +285,7 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa public function gc($maxlifetime) { // Not necessary, Memcached takes care of that. - return TRUE; + return $this->_success; } // ------------------------------------------------------------------------ @@ -297,9 +300,14 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa */ protected function _get_lock($session_id) { - if (isset($this->_lock_key)) + // PHP 7 reuses the SessionHandler object on regeneration, + // so we need to check here if the lock key is for the + // correct session ID. + if ($this->_lock_key === $this->_key_prefix.$session_id.':lock') { - return $this->_memcached->replace($this->_lock_key, time(), 300); + return ($this->_memcached->replace($this->_lock_key, time(), 300)) + ? $this->_success + : $this->_failure; } // 30 attempts to obtain a lock, in case another request already has it @@ -316,7 +324,7 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa if ( ! $this->_memcached->set($lock_key, time(), 300)) { log_message('error', 'Session: Error while trying to obtain lock for '.$this->_key_prefix.$session_id); - return FALSE; + return $this->_failure; } $this->_lock_key = $lock_key; @@ -327,11 +335,11 @@ class CI_Session_memcached_driver extends CI_Session_driver implements SessionHa if ($attempt === 30) { log_message('error', 'Session: Unable to obtain lock for '.$this->_key_prefix.$session_id.' after 30 attempts, aborting.'); - return FALSE; + return $this->_failure; } $this->_lock = TRUE; - return TRUE; + return $this->_success; } // ------------------------------------------------------------------------ |