AVE.CMS v3.28
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

244 lines
4.5 KiB

<?php
/**
* elFinder - file manager for web.
* Session Wrapper Class.
*
* @package elfinder
* @author Naoki Sawada
**/
class elFinderSession implements elFinderSessionInterface
{
protected $started = false;
protected $keys = array();
protected $prevVal = null;
protected $base64encode = false;
protected $opts = array(
'base64encode' => false,
'keys' => array(
'default' => 'elFinderCaches',
'netvolume' => 'elFinderNetVolumes'
)
);
public function __construct($opts)
{
$this->opts = array_merge($this->opts, $opts);
$this->base64encode = !empty($this->opts['base64encode']);
$this->keys = $this->opts['keys'];
return $this;
}
/**
* {@inheritdoc}
*/
public function start()
{
if (version_compare(PHP_VERSION, '5.4.0', '>=')) {
if (session_status() !== PHP_SESSION_ACTIVE) {
session_start();
}
} else {
set_error_handler(array($this, 'session_start_error'), E_NOTICE);
session_start();
restore_error_handler();
}
$this->started = session_id()? true : false;
if ($this->started && is_null($this->prevVal)) {
$this->prevVal = $_SESSION;
}
return $this;
}
/**
* {@inheritdoc}
*/
public function close()
{
if ($this->started && $this->prevVal !== $_SESSION) {
session_write_close();
$this->prevVal = $_SESSION;
}
$this->started = false;
return $this;
}
/**
* {@inheritdoc}
*/
public function get($key, $empty = null)
{
$closed = false;
if (! $this->started) {
$closed = true;
$this->start();
}
$data = null;
if ($this->started) {
$session =& $this->getSessionRef($key);
$data = $session;
if ($data && $this->base64encode) {
$data = $this->decodeData($data);
}
}
$checkFn = null;
if (! is_null($empty)) {
if (is_string($empty)) {
$checkFn = 'is_string';
} elseif (is_array($empty)) {
$checkFn = 'is_array';
} elseif (is_object($empty)) {
$checkFn = 'is_object';
} elseif (is_float($empty)) {
$checkFn = 'is_float';
} elseif (is_int($empty)) {
$checkFn = 'is_int';
}
}
if (is_null($data) || ($checkFn && ! $checkFn($data))) {
$session = $data = $empty;
}
if ($closed) {
$this->close();
}
return $data;
}
/**
* {@inheritdoc}
*/
public function set($key, $data)
{
$closed = false;
if (! $this->started) {
$closed = true;
$this->start();
}
$session =& $this->getSessionRef($key);
if ($this->base64encode) {
$data = $this->encodeData($data);
}
$session = $data;
if ($closed) {
$this->close();
}
return $this;
}
/**
* {@inheritdoc}
*/
public function remove($key)
{
$closed = false;
if (! $this->started) {
$closed = true;
$this->start();
}
list($cat, $name) = array_pad(explode('.', $key, 2), 2, null);
if (is_null($name)) {
if (! isset($this->keys[$cat])) {
$name = $cat;
$cat = 'default';
}
}
if (isset($this->keys[$cat])) {
$cat = $this->keys[$cat];
} else {
$name = $cat . '.' . $name;
$cat = $this->keys['default'];
}
if (is_null($name)) {
unset($_SESSION[$cat]);
} else {
if (isset($_SESSION[$cat]) && is_array($_SESSION[$cat])) {
unset($_SESSION[$cat][$name]);
}
}
if ($closed) {
$this->close();
}
return $this;
}
protected function & getSessionRef($key)
{
$session = null;
if ($this->started) {
list($cat, $name) = array_pad(explode('.', $key, 2), 2, null);
if (is_null($name)) {
if (! isset($this->keys[$cat])) {
$name = $cat;
$cat = 'default';
}
}
if (isset($this->keys[$cat])) {
$cat = $this->keys[$cat];
} else {
$name = $cat . '.' . $name;
$cat = $this->keys['default'];
}
if (is_null($name)) {
if (! isset($_SESSION[$cat])) {
$_SESSION[$cat] = null;
}
$session =& $_SESSION[$cat];
} else {
if (! isset($_SESSION[$cat]) || ! is_array($_SESSION[$cat])) {
$_SESSION[$cat] = array();
}
if (! isset($_SESSION[$cat][$name])) {
$_SESSION[$cat][$name] = null;
}
$session =& $_SESSION[$cat][$name];
}
}
return $session;
}
protected function encodeData($data)
{
if ($this->base64encode) {
$data = base64_encode(serialize($data));
}
return $data;
}
protected function decodeData($data)
{
if ($this->base64encode) {
if (is_string($data)) {
if (($data = base64_decode($data)) !== false) {
$data = unserialize($data);
} else {
$data = null;
}
} else {
$data = null;
}
}
return $data;
}
protected function session_start_error($errno , $errstr) {}
}