891 lines
20 KiB
PHP
891 lines
20 KiB
PHP
<?php
|
|
/**
|
|
* CodeIgniter
|
|
*
|
|
* An open source application development framework for PHP
|
|
*
|
|
* This content is released under the MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2014 - 2015, 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
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
* @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/)
|
|
* @license http://opensource.org/licenses/MIT MIT License
|
|
* @link http://codeigniter.com
|
|
* @since Version 2.0.0
|
|
* @filesource
|
|
*/
|
|
defined('BASEPATH') OR exit('No direct script access allowed');
|
|
|
|
/**
|
|
* CodeIgniter Session Class
|
|
*
|
|
* @package CodeIgniter
|
|
* @subpackage Libraries
|
|
* @category Sessions
|
|
* @author Andrey Andreev
|
|
* @link http://codeigniter.com/user_guide/libraries/sessions.html
|
|
*/
|
|
class CI_Session {
|
|
|
|
/**
|
|
* Userdata array
|
|
*
|
|
* Just a reference to $_SESSION, for BC purposes.
|
|
*/
|
|
public $userdata;
|
|
|
|
protected $_driver = 'files';
|
|
protected $_config;
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Class constructor
|
|
*
|
|
* @param array $params Configuration parameters
|
|
* @return void
|
|
*/
|
|
public function __construct(array $params = array())
|
|
{
|
|
// No sessions under CLI
|
|
if (is_cli())
|
|
{
|
|
log_message('debug', 'Session: Initialization under CLI aborted.');
|
|
return;
|
|
}
|
|
elseif ((bool) ini_get('session.auto_start'))
|
|
{
|
|
log_message('error', 'Session: session.auto_start is enabled in php.ini. Aborting.');
|
|
return;
|
|
}
|
|
elseif ( ! empty($params['driver']))
|
|
{
|
|
$this->_driver = $params['driver'];
|
|
unset($params['driver']);
|
|
}
|
|
elseif ($driver = config_item('sess_driver'))
|
|
{
|
|
$this->_driver = $driver;
|
|
}
|
|
// Note: BC workaround
|
|
elseif (config_item('sess_use_database'))
|
|
{
|
|
$this->_driver = 'database';
|
|
}
|
|
|
|
$class = $this->_ci_load_classes($this->_driver);
|
|
|
|
// Configuration ...
|
|
$this->_configure($params);
|
|
|
|
$class = new $class($this->_config);
|
|
if ($class instanceof SessionHandlerInterface)
|
|
{
|
|
if (is_php('5.4'))
|
|
{
|
|
session_set_save_handler($class, TRUE);
|
|
}
|
|
else
|
|
{
|
|
session_set_save_handler(
|
|
array($class, 'open'),
|
|
array($class, 'close'),
|
|
array($class, 'read'),
|
|
array($class, 'write'),
|
|
array($class, 'destroy'),
|
|
array($class, 'gc')
|
|
);
|
|
|
|
register_shutdown_function('session_write_close');
|
|
}
|
|
}
|
|
else
|
|
{
|
|
log_message('error', "Session: Driver '".$this->_driver."' doesn't implement SessionHandlerInterface. Aborting.");
|
|
return;
|
|
}
|
|
|
|
// Sanitize the cookie, because apparently PHP doesn't do that for userspace handlers
|
|
if (isset($_COOKIE[$this->_config['cookie_name']])
|
|
&& (
|
|
! is_string($_COOKIE[$this->_config['cookie_name']])
|
|
OR ! preg_match('/^[0-9a-f]{40}$/', $_COOKIE[$this->_config['cookie_name']])
|
|
)
|
|
)
|
|
{
|
|
unset($_COOKIE[$this->_config['cookie_name']]);
|
|
}
|
|
|
|
session_start();
|
|
|
|
// Is session ID auto-regeneration configured? (ignoring ajax requests)
|
|
if ((empty($_SERVER['HTTP_X_REQUESTED_WITH']) OR strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) !== 'xmlhttprequest')
|
|
&& ($regenerate_time = config_item('sess_time_to_update')) > 0
|
|
)
|
|
{
|
|
if ( ! isset($_SESSION['__ci_last_regenerate']))
|
|
{
|
|
$_SESSION['__ci_last_regenerate'] = time();
|
|
}
|
|
elseif ($_SESSION['__ci_last_regenerate'] < (time() - $regenerate_time))
|
|
{
|
|
$this->sess_regenerate((bool) config_item('sess_regenerate_destroy'));
|
|
}
|
|
}
|
|
// Another work-around ... PHP doesn't seem to send the session cookie
|
|
// unless it is being currently created or regenerated
|
|
elseif (isset($_COOKIE[$this->_config['cookie_name']]) && $_COOKIE[$this->_config['cookie_name']] === session_id())
|
|
{
|
|
setcookie(
|
|
$this->_config['cookie_name'],
|
|
session_id(),
|
|
(empty($this->_config['cookie_lifetime']) ? 0 : time() + $this->_config['cookie_lifetime']),
|
|
$this->_config['cookie_path'],
|
|
$this->_config['cookie_domain'],
|
|
$this->_config['cookie_secure'],
|
|
TRUE
|
|
);
|
|
}
|
|
|
|
$this->_ci_init_vars();
|
|
|
|
log_message('info', "Session: Class initialized using '".$this->_driver."' driver.");
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* CI Load Classes
|
|
*
|
|
* An internal method to load all possible dependency and extension
|
|
* classes. It kind of emulates the CI_Driver library, but is
|
|
* self-sufficient.
|
|
*
|
|
* @param string $driver Driver name
|
|
* @return string Driver class name
|
|
*/
|
|
protected function _ci_load_classes($driver)
|
|
{
|
|
// PHP 5.4 compatibility
|
|
interface_exists('SessionHandlerInterface', FALSE) OR require_once(BASEPATH.'libraries/Session/SessionHandlerInterface.php');
|
|
|
|
$prefix = config_item('subclass_prefix');
|
|
|
|
if ( ! class_exists('CI_Session_driver', FALSE))
|
|
{
|
|
require_once(
|
|
file_exists(APPPATH.'libraries/Session/Session_driver.php')
|
|
? APPPATH.'libraries/Session/Session_driver.php'
|
|
: BASEPATH.'libraries/Session/Session_driver.php'
|
|
);
|
|
|
|
if (file_exists($file_path = APPPATH.'libraries/Session/'.$prefix.'Session_driver.php'))
|
|
{
|
|
require_once($file_path);
|
|
}
|
|
}
|
|
|
|
$class = 'Session_'.$driver.'_driver';
|
|
|
|
// Allow custom drivers without the CI_ or MY_ prefix
|
|
if ( ! class_exists($class, FALSE) && file_exists($file_path = APPPATH.'libraries/Session/drivers/'.$class.'.php'))
|
|
{
|
|
require_once($file_path);
|
|
if (class_exists($class, FALSE))
|
|
{
|
|
return $class;
|
|
}
|
|
}
|
|
|
|
if ( ! class_exists('CI_'.$class, FALSE))
|
|
{
|
|
if (file_exists($file_path = APPPATH.'libraries/Session/drivers/'.$class.'.php') OR file_exists($file_path = BASEPATH.'libraries/Session/drivers/'.$class.'.php'))
|
|
{
|
|
require_once($file_path);
|
|
}
|
|
|
|
if ( ! class_exists('CI_'.$class, FALSE) && ! class_exists($class, FALSE))
|
|
{
|
|
throw new UnexpectedValueException("Session: Configured driver '".$driver."' was not found. Aborting.");
|
|
}
|
|
}
|
|
|
|
if ( ! class_exists($prefix.$class) && file_exists($file_path = APPPATH.'libraries/Session/drivers/'.$prefix.$class.'.php'))
|
|
{
|
|
require_once($file_path);
|
|
if (class_exists($prefix.$class, FALSE))
|
|
{
|
|
return $prefix.$class;
|
|
}
|
|
else
|
|
{
|
|
log_message('debug', 'Session: '.$prefix.$class.".php found but it doesn't declare class ".$prefix.$class.'.');
|
|
}
|
|
}
|
|
|
|
return 'CI_'.$class;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Configuration
|
|
*
|
|
* Handle input parameters and configuration defaults
|
|
*
|
|
* @param array &$params Input parameters
|
|
* @return void
|
|
*/
|
|
protected function _configure(&$params)
|
|
{
|
|
$expiration = config_item('sess_expiration');
|
|
|
|
if (isset($params['cookie_lifetime']))
|
|
{
|
|
$params['cookie_lifetime'] = (int) $params['cookie_lifetime'];
|
|
}
|
|
else
|
|
{
|
|
$params['cookie_lifetime'] = ( ! isset($expiration) && config_item('sess_expire_on_close'))
|
|
? 0 : (int) $expiration;
|
|
}
|
|
|
|
isset($params['cookie_name']) OR $params['cookie_name'] = config_item('sess_cookie_name');
|
|
if (empty($params['cookie_name']))
|
|
{
|
|
$params['cookie_name'] = ini_get('session.name');
|
|
}
|
|
else
|
|
{
|
|
ini_set('session.name', $params['cookie_name']);
|
|
}
|
|
|
|
isset($params['cookie_path']) OR $params['cookie_path'] = config_item('cookie_path');
|
|
isset($params['cookie_domain']) OR $params['cookie_domain'] = config_item('cookie_domain');
|
|
isset($params['cookie_secure']) OR $params['cookie_secure'] = (bool) config_item('cookie_secure');
|
|
|
|
session_set_cookie_params(
|
|
$params['cookie_lifetime'],
|
|
$params['cookie_path'],
|
|
$params['cookie_domain'],
|
|
$params['cookie_secure'],
|
|
TRUE // HttpOnly; Yes, this is intentional and not configurable for security reasons
|
|
);
|
|
|
|
if (empty($expiration))
|
|
{
|
|
$params['expiration'] = (int) ini_get('session.gc_maxlifetime');
|
|
}
|
|
else
|
|
{
|
|
$params['expiration'] = (int) $expiration;
|
|
ini_set('session.gc_maxlifetime', $expiration);
|
|
}
|
|
|
|
$params['match_ip'] = (bool) (isset($params['match_ip']) ? $params['match_ip'] : config_item('sess_match_ip'));
|
|
|
|
isset($params['save_path']) OR $params['save_path'] = config_item('sess_save_path');
|
|
|
|
$this->_config = $params;
|
|
|
|
// Security is king
|
|
ini_set('session.use_trans_sid', 0);
|
|
ini_set('session.use_strict_mode', 1);
|
|
ini_set('session.use_cookies', 1);
|
|
ini_set('session.use_only_cookies', 1);
|
|
ini_set('session.hash_function', 1);
|
|
ini_set('session.hash_bits_per_character', 4);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Handle temporary variables
|
|
*
|
|
* Clears old "flash" data, marks the new one for deletion and handles
|
|
* "temp" data deletion.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function _ci_init_vars()
|
|
{
|
|
if ( ! empty($_SESSION['__ci_vars']))
|
|
{
|
|
$current_time = time();
|
|
|
|
foreach ($_SESSION['__ci_vars'] as $key => &$value)
|
|
{
|
|
if ($value === 'new')
|
|
{
|
|
$_SESSION['__ci_vars'][$key] = 'old';
|
|
}
|
|
// Hacky, but 'old' will (implicitly) always be less than time() ;)
|
|
// DO NOT move this above the 'new' check!
|
|
elseif ($value < $current_time)
|
|
{
|
|
unset($_SESSION[$key], $_SESSION['__ci_vars'][$key]);
|
|
}
|
|
}
|
|
|
|
if (empty($_SESSION['__ci_vars']))
|
|
{
|
|
unset($_SESSION['__ci_vars']);
|
|
}
|
|
}
|
|
|
|
$this->userdata =& $_SESSION;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Mark as flash
|
|
*
|
|
* @param mixed $key Session data key(s)
|
|
* @return bool
|
|
*/
|
|
public function mark_as_flash($key)
|
|
{
|
|
if (is_array($key))
|
|
{
|
|
for ($i = 0, $c = count($key); $i < $c; $i++)
|
|
{
|
|
if ( ! isset($_SESSION[$key[$i]]))
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
$new = array_fill_keys($key, 'new');
|
|
|
|
$_SESSION['__ci_vars'] = isset($_SESSION['__ci_vars'])
|
|
? array_merge($_SESSION['__ci_vars'], $new)
|
|
: $new;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
if ( ! isset($_SESSION[$key]))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
$_SESSION['__ci_vars'][$key] = 'new';
|
|
return TRUE;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Get flash keys
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get_flash_keys()
|
|
{
|
|
if ( ! isset($_SESSION['__ci_vars']))
|
|
{
|
|
return array();
|
|
}
|
|
|
|
$keys = array();
|
|
foreach (array_keys($_SESSION['__ci_vars']) as $key)
|
|
{
|
|
is_int($_SESSION['__ci_vars'][$key]) OR $keys[] = $key;
|
|
}
|
|
|
|
return $keys;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Unmark flash
|
|
*
|
|
* @param mixed $key Session data key(s)
|
|
* @return void
|
|
*/
|
|
public function unmark_flash($key)
|
|
{
|
|
if (empty($_SESSION['__ci_vars']))
|
|
{
|
|
return;
|
|
}
|
|
|
|
is_array($key) OR $key = array($key);
|
|
|
|
foreach ($key as $k)
|
|
{
|
|
if (isset($_SESSION['__ci_vars'][$k]) && ! is_int($_SESSION['__ci_vars'][$k]))
|
|
{
|
|
unset($_SESSION['__ci_vars'][$k]);
|
|
}
|
|
}
|
|
|
|
if (empty($_SESSION['__ci_vars']))
|
|
{
|
|
unset($_SESSION['__ci_vars']);
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Mark as temp
|
|
*
|
|
* @param mixed $key Session data key(s)
|
|
* @param int $ttl Time-to-live in seconds
|
|
* @return bool
|
|
*/
|
|
public function mark_as_temp($key, $ttl = 300)
|
|
{
|
|
$ttl += time();
|
|
|
|
if (is_array($key))
|
|
{
|
|
$temp = array();
|
|
|
|
foreach ($key as $k => $v)
|
|
{
|
|
// Do we have a key => ttl pair, or just a key?
|
|
if (is_int($k))
|
|
{
|
|
$k = $v;
|
|
$v = $ttl;
|
|
}
|
|
else
|
|
{
|
|
$v += time();
|
|
}
|
|
|
|
if ( ! isset($_SESSION[$k]))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
$temp[$k] = $v;
|
|
}
|
|
|
|
$_SESSION['__ci_vars'] = isset($_SESSION['__ci_vars'])
|
|
? array_merge($_SESSION['__ci_vars'], $temp)
|
|
: $temp;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
if ( ! isset($_SESSION[$key]))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
$_SESSION['__ci_vars'][$key] = $ttl;
|
|
return TRUE;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Get temp keys
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get_temp_keys()
|
|
{
|
|
if ( ! isset($_SESSION['__ci_vars']))
|
|
{
|
|
return array();
|
|
}
|
|
|
|
$keys = array();
|
|
foreach (array_keys($_SESSION['__ci_vars']) as $key)
|
|
{
|
|
is_int($_SESSION['__ci_vars'][$key]) && $keys[] = $key;
|
|
}
|
|
|
|
return $keys;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Unmark flash
|
|
*
|
|
* @param mixed $key Session data key(s)
|
|
* @return void
|
|
*/
|
|
public function unmark_temp($key)
|
|
{
|
|
if (empty($_SESSION['__ci_vars']))
|
|
{
|
|
return;
|
|
}
|
|
|
|
is_array($key) OR $key = array($key);
|
|
|
|
foreach ($key as $k)
|
|
{
|
|
if (isset($_SESSION['__ci_vars'][$k]) && is_int($_SESSION['__ci_vars'][$k]))
|
|
{
|
|
unset($_SESSION['__ci_vars'][$k]);
|
|
}
|
|
}
|
|
|
|
if (empty($_SESSION['__ci_vars']))
|
|
{
|
|
unset($_SESSION['__ci_vars']);
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* __get()
|
|
*
|
|
* @param string $key 'session_id' or a session data key
|
|
* @return mixed
|
|
*/
|
|
public function __get($key)
|
|
{
|
|
// Note: Keep this order the same, just in case somebody wants to
|
|
// use 'session_id' as a session data key, for whatever reason
|
|
if (isset($_SESSION[$key]))
|
|
{
|
|
return $_SESSION[$key];
|
|
}
|
|
elseif ($key === 'session_id')
|
|
{
|
|
return session_id();
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* __set()
|
|
*
|
|
* @param string $key Session data key
|
|
* @param mixed $value Session data value
|
|
* @return void
|
|
*/
|
|
public function __set($key, $value)
|
|
{
|
|
$_SESSION[$key] = $value;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Session destroy
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @return void
|
|
*/
|
|
public function sess_destroy()
|
|
{
|
|
session_destroy();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Session regenerate
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param bool $destroy Destroy old session data flag
|
|
* @return void
|
|
*/
|
|
public function sess_regenerate($destroy = FALSE)
|
|
{
|
|
$_SESSION['__ci_last_regenerate'] = time();
|
|
session_regenerate_id($destroy);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Get userdata reference
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @returns array
|
|
*/
|
|
public function &get_userdata()
|
|
{
|
|
return $_SESSION;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Userdata (fetch)
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param string $key Session data key
|
|
* @return mixed Session data value or NULL if not found
|
|
*/
|
|
public function userdata($key = NULL)
|
|
{
|
|
if (isset($key))
|
|
{
|
|
return isset($_SESSION[$key]) ? $_SESSION[$key] : NULL;
|
|
}
|
|
elseif (empty($_SESSION))
|
|
{
|
|
return array();
|
|
}
|
|
|
|
$userdata = array();
|
|
$_exclude = array_merge(
|
|
array('__ci_vars'),
|
|
$this->get_flash_keys(),
|
|
$this->get_temp_keys()
|
|
);
|
|
|
|
foreach (array_keys($_SESSION) as $key)
|
|
{
|
|
if ( ! in_array($key, $_exclude, TRUE))
|
|
{
|
|
$userdata[$key] = $_SESSION[$key];
|
|
}
|
|
}
|
|
|
|
return $userdata;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Set userdata
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param mixed $data Session data key or an associative array
|
|
* @param mixed $value Value to store
|
|
* @return void
|
|
*/
|
|
public function set_userdata($data, $value = NULL)
|
|
{
|
|
if (is_array($data))
|
|
{
|
|
foreach ($data as $key => &$value)
|
|
{
|
|
$_SESSION[$key] = $value;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
$_SESSION[$data] = $value;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Unset userdata
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param mixed $data Session data key(s)
|
|
* @return void
|
|
*/
|
|
public function unset_userdata($key)
|
|
{
|
|
if (is_array($key))
|
|
{
|
|
foreach ($key as $k)
|
|
{
|
|
unset($_SESSION[$k]);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
unset($_SESSION[$key]);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* All userdata (fetch)
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @return array $_SESSION, excluding flash data items
|
|
*/
|
|
public function all_userdata()
|
|
{
|
|
return $this->userdata();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Has userdata
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param string $key Session data key
|
|
* @return bool
|
|
*/
|
|
public function has_userdata($key)
|
|
{
|
|
return isset($_SESSION[$key]);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Flashdata (fetch)
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param string $key Session data key
|
|
* @return mixed Session data value or NULL if not found
|
|
*/
|
|
public function flashdata($key = NULL)
|
|
{
|
|
if (isset($key))
|
|
{
|
|
return (isset($_SESSION['__ci_vars'], $_SESSION['__ci_vars'][$key], $_SESSION[$key]) && ! is_int($_SESSION['__ci_vars'][$key]))
|
|
? $_SESSION[$key]
|
|
: NULL;
|
|
}
|
|
|
|
$flashdata = array();
|
|
|
|
if ( ! empty($_SESSION['__ci_vars']))
|
|
{
|
|
foreach ($_SESSION['__ci_vars'] as $key => &$value)
|
|
{
|
|
is_int($value) OR $flashdata[$key] = $_SESSION[$key];
|
|
}
|
|
}
|
|
|
|
return $flashdata;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Set flashdata
|
|
*
|
|
* Legacy CI_Session compatibiliy method
|
|
*
|
|
* @param mixed $data Session data key or an associative array
|
|
* @param mixed $value Value to store
|
|
* @return void
|
|
*/
|
|
public function set_flashdata($data, $value = NULL)
|
|
{
|
|
$this->set_userdata($data, $value);
|
|
$this->mark_as_flash(is_array($data) ? array_keys($data) : $data);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Keep flashdata
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param mixed $key Session data key(s)
|
|
* @return void
|
|
*/
|
|
public function keep_flashdata($key)
|
|
{
|
|
$this->mark_as_flash($key);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Temp data (fetch)
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param string $key Session data key
|
|
* @return mixed Session data value or NULL if not found
|
|
*/
|
|
public function tempdata($key = NULL)
|
|
{
|
|
if (isset($key))
|
|
{
|
|
return (isset($_SESSION['__ci_vars'], $_SESSION['__ci_vars'][$key], $_SESSION[$key]) && is_int($_SESSION['__ci_vars'][$key]))
|
|
? $_SESSION[$key]
|
|
: NULL;
|
|
}
|
|
|
|
$tempdata = array();
|
|
|
|
if ( ! empty($_SESSION['__ci_vars']))
|
|
{
|
|
foreach ($_SESSION['__ci_vars'] as $key => &$value)
|
|
{
|
|
is_int($value) && $tempdata[$key] = $_SESSION[$key];
|
|
}
|
|
}
|
|
|
|
return $tempdata;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Set tempdata
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param mixed $data Session data key or an associative array of items
|
|
* @param mixed $value Value to store
|
|
* @param int $ttl Time-to-live in seconds
|
|
* @return void
|
|
*/
|
|
public function set_tempdata($data, $value = NULL, $ttl = 300)
|
|
{
|
|
$this->set_userdata($data, $value);
|
|
$this->mark_as_temp(is_array($data) ? array_keys($data) : $data, $ttl);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Unset tempdata
|
|
*
|
|
* Legacy CI_Session compatibility method
|
|
*
|
|
* @param mixed $data Session data key(s)
|
|
* @return void
|
|
*/
|
|
public function unset_tempdata($key)
|
|
{
|
|
$this->unmark_temp($key);
|
|
}
|
|
|
|
}
|