[eluser]starbbs[/eluser]
Code:
function renew(){
$this->__regenerateId();
}
function __regenerateId(){
$oldSessionId = session_id();
$sessionpath = session_save_path();
$cookiename = $this->CI->config->item('sess_cookie_name');
if (empty($sessionpath)){
$sessionpath = "/tmp";
}
if (isset($_COOKIE[session_name()])){
setcookie($cookiename, '', time() - 42000, $this->path);
}
session_regenerate_id();
$newSessid = session_id();
$file = $sessionpath . '/' . "sess_$oldSessionId";
@unlink ($file);
@session_destroy ($oldSessionId);
if (function_exists('session_write_close')){
session_write_close();
}
$this->__initSession();
session_id ($newSessid);
session_start();
}
function __write($key, $value){
log_message('debug', "__WRITE key $key - value $value");
switch(MIB_SECURITY){
case 'high':
$factor = 10;
break;
case 'medium':
$factor = 100;
break;
case 'low':
$factor = 300;
break;
default:
$factor = 10;
break;
}
$CI = & get_instance();
$expires = time() + MIB_SESSION_TIMEOUT * $factor;
$results = $CI->db->query("SELECT COUNT(id) AS count FROM ci_sessions WHERE id = '" . $key . "'");
$row_count = $results->num_rows();
log_message('debug', "__WRITE No rows were found");
if ($row_count > 1){
$data1 = array('val' => $value,
'expires' => $expires);
$CI->db->where('id', $key);
$CI->db->update('ci_sessions', $data1);
}else{
/**
* $data2 = array( 'data' => $value,
* 'expires'=> $expires,
* 'id' => $key);
*
* $this->CI->db->insert($this->tablename, $data2);
*/
$sql = "INSERT INTO ci_sessions (val,expires,id) VALUES ('$value','$expires','$key')";
$CI->db->query($sql);
// echo "INSERTED $sql found records:".$CI->db->affected_rows();
}
return true;
}
/**
* Fetch a specific item form the session array
*
* @access public
* @param string $
* @return string
*/
function userdata($item){
return (! isset($this->userdata[$item])) ? false : $this->userdata[$item];
}
// --------------------------------------------------------------------
/**
* Add or change data in the "userdata" array
*
* @access public
* @param mixed $
* @param string $
* @return void
*/
function set_userdata($newdata = array(), $newval = ''){
if (is_string($newdata)){
$newdata = array($newdata => $newval);
}
if (count($newdata) > 0){
foreach ($newdata as $key => $val){
$this->userdata[$key] = $val;
$this->writeSessionVar($key, $val);
}
}
$this->renew();
}
function delSessionVar($name){
if ($this->checkSessionVar($name)){
$var = $this->__sessionVarNames($name);
eval ("unset($var);");
return true;
}
$this->__setError(2, "$name doesn't exist");
return false;
}
// --------------------------------------------------------------------
/**
* Delete a session variable from the "userdata" array
*
* @access array
* @return void
*/
function unset_userdata($newdata = array()){
if (is_string($newdata)){
$newdata = array($newdata => '');
}
if (count($newdata) > 0){
foreach ($newdata as $key => $val){
$this->delSessionVar($key);
unset($this->userdata[$key]);
}
}
}
/**
* Sets session attributes to the given values
*/
function set($newkey, $newval){
log_message('debug', 'Session SET with key ' . $newkey . ' with value ' . $newval . '');
if (is_string($newkey) AND is_string($newval)){
$this->writeSessionVar($newkey, $newval);
}
$newdata = array($newval);
log_message('debug', "Problem with the SESSION lib. Cannot find an array $newdata,$newval");
$this->writeSessionVar($newkey[0], $newdata);
return;
}
function __destroy ($id){
$id = int($id);
log_message('debug', "The _destroy function is called for id ($id). Let's clean the SESSION");
// $db->execute("DELETE FROM " . $db->name($table) . " WHERE " . $db->name($table.'.id') . " = " . $db->value($key, 'integer'));
$this->CI->db->delete($this->tablename, array('session_id' => $id));
return $true;
}
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