cakephp2-php8/cake/libs/session.php
phpnut bc6de8791d [1258]
Author: phpnut
Date: 8:13:45 PM, Friday, October 28, 2005
Message:
adding version text file

[1257]
Author: phpnut
Date: 8:03:24 PM, Friday, October 28, 2005
Message:
small typo in last commit

[1256]
Author: phpnut
Date: 7:16:50 PM, Friday, October 28, 2005
Message:
Added fix for a self join of 1 to 1 associations.
This is automatic and adds Child_ to the joined class for hasOne or belongsTo.
Scaffold is updated to work with this change.
You will have to consider the Child_ prefix when working with self joins.

[1253]
Author: phpnut
Date: 4:07:55 PM, Friday, October 28, 2005
Message:
Fixed problem with session cookies being set for each path in the URL.
Added char to switch in Controller::generateFieldNames() 

[1252]
Author: phpnut
Date: 1:59:49 PM, Friday, October 28, 2005
Message:
Updated routes.php.default with change to route case.
Removed debug code I had added to Model::findAll

[1251]
Author: phpnut
Date: 1:51:00 PM, Friday, October 28, 2005
Message:
Added a fix for class already defined error.
Updated core.php docblock with level 3 setting for DEBUG.
Change  instances of AppController to Controller for loading error messages.
Updated 404 errors to use default layout

[1250]
Author: phpnut
Date: 1:34:08 PM, Friday, October 28, 2005
Message:
renaming error or error404

[1249]
Author: phpnut
Date: 1:32:51 PM, Friday, October 28, 2005
Message:
moving error.thtml to errors directory


git-svn-id: https://svn.cakephp.org/repo/trunk/cake@1259 3807eeeb-6ff5-0310-8944-8be069107fe0
2005-10-29 01:21:47 +00:00

529 lines
No EOL
13 KiB
PHP

<?php
/* SVN FILE: $Id$ */
/**
* Short description for file.
*
* Long description for file
*
* PHP versions 4 and 5
*
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
* Copyright (c) 2005, CakePHP Authors/Developers
*
* Author(s): Larry E. Masters aka PhpNut <nut@phpnut.com>
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @author CakePHP Authors/Developers
* @copyright Copyright (c) 2005, CakePHP Authors/Developers
* @link https://trac.cakephp.org/wiki/Authors Authors/Developers
* @package cake
* @subpackage cake.cake.libs
* @since CakePHP v .0.10.0.1222
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Short description for file.
*
* Long description for file
*
* @package cake
* @subpackage cake.cake.libs
* @since CakePHP v .0.10.0.1222
*/
class CakeSession extends Object
{
/**
* Enter description here...
*
* @var unknown_type
*/
var $valid = false;
/**
* Enter description here...
*
* @var unknown_type
*/
var $error = false;
/**
* Enter description here...
*
* @var unknown_type
*/
var $ip = false;
/**
* Enter description here...
*
* @var unknown_type
*/
var $userAgent = false;
/**
* Enter description here...
*
* @var unknown_type
*/
var $path = false;
/**
* Enter description here...
*
* @var unknown_type
*/
var $lastError = null;
/**
* Enter description here...
*
* @var unknown_type
*/
var $sessionId = null;
/**
* Enter description here...
*
* @return unknown
*/
function &getInstance($base = null)
{
static $instance = array();
if (!$instance)
{
$instance[0] =& new CakeSession;
$instance[0]->host = $_SERVER['HTTP_HOST'];
if (strpos($instance[0]->host, ':') !== false)
{
$instance[0]->host = substr($instance[0]->host,0, strpos($instance[0]->host, ':'));
}
$instance[0]->path = $base;
if (empty($instance[0]->path))
{
$instance[0]->path = '/';
}
$instance[0]->ip = $_SERVER['REMOTE_ADDR'];
$instance[0]->userAgent = !empty($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : "";
$instance[0]->_initSession();
}
return $instance[0];
}
/**
* Enter description here...
*
* @param unknown_type $name
* @return unknown
*/
function checkSessionVar($name)
{
$cakeSession =& CakeSession::getInstance();
$expression = "return isset(".$cakeSession->_sessionVarNames($name).");";
return eval($expression);
}
/**
* Enter description here...
*
* @param unknown_type $name
* @return unknown
*/
function delSessionVar($name)
{
$cakeSession =& CakeSession::getInstance();
if($cakeSession->check($name))
{
$var = $cakeSession->_sessionVarNames($name);
eval("unset($var);");
return true;
}
$this->_setError(2, "$name doesn't exist");
return false;
}
/**
* Enter description here...
*
* @param unknown_type $errorNumber
* @return unknown
*/
function getError($errorNumber)
{
if(!is_array($this->error) || !array_key_exists($errorNumber, $this->error))
{
return false;
}
else
{
return $this->error[$errorNumber];
}
}
/**
* Enter description here...
*
* @return unknown
*/
function getLastError()
{
if($this->lastError)
{
return $this->getError($this->lastError);
}
else
{
return false;
}
}
/**
* Enter description here...
*
* @return unknown
*/
function isValid()
{
return $this->valid;
}
/**
* Enter description here...
*
* @param unknown_type $name
* @return unknown
*/
function readSessionVar($name)
{
$cakeSession =& CakeSession::getInstance();
if($cakeSession->checkSessionVar($name))
{
$result = eval("return ".$cakeSession->_sessionVarNames($name).";");
return $result;
}
$this->_setError(2, "$name doesn't exist");
return false;
}
/**
* Enter description here...
*
* @param unknown_type $name
* @param unknown_type $value
*/
function writeSessionVar($name, $value)
{
$cakeSession =& CakeSession::getInstance();
$expression = $cakeSession->_sessionVarNames($name);
$expression .= " = \$value;";
eval($expression);
}
/**
* Enter description here...
*
* @access private
*/
function _begin()
{
$cakeSession =& CakeSession::getInstance();
session_cache_limiter("must-revalidate");
session_start();
header('P3P: CP="NOI ADM DEV PSAi COM NAV OUR OTRo STP IND DEM"');
$cakeSession->sessionId = session_id();
if($cakeSession->_isActiveSession() == false)
{
$cakeSession->_new();
}
else
{
$cakeSession->_renew();
}
}
/**
* Enter description here...
*
* @access private
*/
function _close()
{
echo "<pre>";
echo "CakeSession::_close() Not Implemented Yet";
echo "</pre>";
die();
}
/**
* Enter description here...
*
* @access private
*/
function _destroy()
{
echo "<pre>";
echo "CakeSession::_destroy() Not Implemented Yet";
echo "</pre>";
die();
}
/**
* Enter description here...
*
* @access private
*/
function _gc()
{
echo "<pre>";
echo "CakeSession::_gc() Not Implemented Yet";
echo "</pre>";
die();
}
/**
* Enter description here...
*
* @access private
*/
function _initSession()
{
$cakeSession =& CakeSession::getInstance();
switch (CAKE_SECURITY)
{
case 'high':
$cookieLifeTime = 0;
ini_set('session.referer_check', $cakeSession->host);
break;
case 'medium':
$cookieLifeTime = 7 * 86400;
break;
case 'low':
default :
$cookieLifeTime = 788940000;
break;
}
switch (CAKE_SESSION_SAVE)
{
case 'cake':
ini_set('session.use_trans_sid', 0);
ini_set('url_rewriter.tags', '');
ini_set('session.serialize_handler', 'php');
ini_set('session.use_cookies', 1);
ini_set('session.name', CAKE_SESSION_COOKIE);
ini_set('session.cookie_lifetime', $cookieLifeTime);
ini_set('session.cookie_path', $cakeSession->path);
ini_set('session.gc_probability', 1);
ini_set('session.gc_maxlifetime', Security::inactiveMins() * 60);
ini_set('session.auto_start', 0);
ini_set('session.save_path', TMP.'sessions');
break;
case 'database':
ini_set('session.use_trans_sid', 0);
ini_set('url_rewriter.tags', '');
ini_set('session.save_handler', 'user');
ini_set('session.serialize_handler', 'php');
ini_set('session.use_cookies', 1);
ini_set('session.name', CAKE_SESSION_COOKIE);
ini_set('session.cookie_lifetime', $cookieLifeTime);
ini_set('session.cookie_path', $cakeSession->path);
ini_set('session.gc_probability', 1);
ini_set('session.gc_maxlifetime', Security::inactiveMins() * 60);
ini_set('session.auto_start', 0);
session_set_save_handler(array('CakeSession', '_open'),
array('CakeSession', '_close'),
array('CakeSession', '_read'),
array('CakeSession', '_write'),
array('CakeSession', '_destroy'),
array('CakeSession', '_gc'));
break;
case 'php':
ini_set('session.name', CAKE_SESSION_COOKIE);
ini_set('session.cookie_lifetime', $cookieLifeTime);
ini_set('session.cookie_path', $cakeSession->path);
ini_set('session.gc_maxlifetime', Security::inactiveMins() * 60);
break;
default :
$config = CONFIGS.CAKE_SESSION_SAVE.'.php.';
if(is_file($config))
{
require_once($config);
}
else
{
ini_set('session.name', CAKE_SESSION_COOKIE);
ini_set('session.cookie_lifetime', $cookieLifeTime);
ini_set('session.cookie_path', $cakeSession->path);
ini_set('session.gc_maxlifetime', Security::inactiveMins() * 60);
}
break;
}
$cakeSession->_begin();
}
/**
* Enter description here...
*
* @access private
* @return unknown
*/
function _isActiveSession()
{
return false;
}
/**
* Enter description here...
*
* @access private
*
*/
function _new()
{
$cakeSession =& CakeSession::getInstance();
if(!ereg("proxy\.aol\.com$", gethostbyaddr($cakeSession->ip)))
{
if($cakeSession->readSessionVar("Config"))
{
if($cakeSession->ip == $cakeSession->readSessionVar("Config.ip") && $cakeSession->userAgent == $cakeSession->readSessionVar("Config.userAgent"))
{
$cakeSession->valid = true;
}
else
{
$cakeSession->valid = false;
$cakeSession->_setError(1, "Session Highjacking Attempted !!!");
}
}
else
{
srand((double)microtime() * 1000000);
$cakeSession->writeSessionVar('Config.rand', rand());
$cakeSession->writeSessionVar("Config.ip", $cakeSession->ip);
$cakeSession->writeSessionVar("Config.userAgent", $cakeSession->userAgent);
$cakeSession->valid = true;
}
}
else
{
if(!$cakeSession->readSessionVar("Config"))
{
srand((double)microtime() * 1000000);
$cakeSession->writeSessionVar('Config.rand', rand());
$cakeSession->writeSessionVar("Config.ip", $cakeSession->ip);
$cakeSession->writeSessionVar("Config.userAgent", $cakeSession->userAgent);
}
$cakeSession->valid = true;
}
}
/**
* Enter description here...
*
* @access private
*
*/
function _open()
{
echo "<pre>";
echo "CakeSession::_open() Not Implemented Yet";
echo "</pre>";
die();
}
/**
* Enter description here...
*
* @access private
*
*/
function _read()
{
echo "<pre>";
echo "CakeSession::_read() Not Implemented Yet";
echo "</pre>";
die();
}
/**
* Enter description here...
*
* @access private
*
*/
function _renew()
{
return true;
}
/**
* Enter description here...
*
* @param unknown_type $name
* @return unknown
* @access private
*/
function _sessionVarNames($name)
{
if(is_string($name))
{
if(strpos($name, "."))
{
$names = explode(".", $name);
}
else
{
$names = array($name);
}
$expression = $expression = "\$_SESSION";
foreach($names as $item)
{
$expression .= is_numeric($item) ? "[$item]" : "['$item']";
}
return $expression;
}
return false;
}
/**
* Enter description here...
*
* @param unknown_type $errorNumber
* @param unknown_type $errorMessage
* @access private
*/
function _setError($errorNumber, $errorMessage)
{
if($this->error === false)
{
$this->error = array();
}
$this->error[$errorNumber] = $errorMessage;
$this->lastError = $errorNumber;
}
/**
* Enter description here...
*
* @access private
*/
function _write()
{
echo "<pre>";
echo "CakeSession::_write() Not Implemented Yet";
echo "</pre>";
die();
}
}
?>