git.maemo.org Git - speedfreak/blob - Server/system/libraries/drivers/Session/Cookie.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2 /**
   3  * Session cookie driver.
   4  *
   5  * $Id: Cookie.php 3769 2008-12-15 00:48:56Z zombor $
   6  *
   7  * @package    Core
   8  * @author     Kohana Team
   9  * @copyright  (c) 2007-2008 Kohana Team
  10  * @license    http://kohanaphp.com/license.html
  11  */
  12 class Session_Cookie_Driver implements Session_Driver {
  13
  14         protected $cookie_name;
  15         protected $encrypt; // Library
  16
  17         public function __construct()
  18         {
  19                 $this->cookie_name = Kohana::config('session.name').'_data';
  20
  21                 if (Kohana::config('session.encryption'))
  22                 {
  23                         $this->encrypt = Encrypt::instance();
  24                 }
  25
  26                 Kohana::log('debug', 'Session Cookie Driver Initialized');
  27         }
  28
  29         public function open($path, $name)
  30         {
  31                 return TRUE;
  32         }
  33
  34         public function close()
  35         {
  36                 return TRUE;
  37         }
  38
  39         public function read($id)
  40         {
  41                 $data = (string) cookie::get($this->cookie_name);
  42
  43                 if ($data == '')
  44                         return $data;
  45
  46                 return empty($this->encrypt) ? base64_decode($data) : $this->encrypt->decode($data);
  47         }
  48
  49         public function write($id, $data)
  50         {
  51                 $data = empty($this->encrypt) ? base64_encode($data) : $this->encrypt->encode($data);
  52
  53                 if (strlen($data) > 4048)
  54                 {
  55                         Kohana::log('error', 'Session ('.$id.') data exceeds the 4KB limit, ignoring write.');
  56                         return FALSE;
  57                 }
  58
  59                 return cookie::set($this->cookie_name, $data, Kohana::config('session.expiration'));
  60         }
  61
  62         public function destroy($id)
  63         {
  64                 return cookie::delete($this->cookie_name);
  65         }
  66
  67         public function regenerate()
  68         {
  69                 session_regenerate_id(TRUE);
  70
  71                 // Return new id
  72                 return session_id();
  73         }
  74
  75         public function gc($maxlifetime)
  76         {
  77                 return TRUE;
  78         }
  79
  80 } // End Session Cookie Driver Class