<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Provides upload functionalities for the import plugins
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}

/* Get the transformations interface */
require_once 'libraries/plugins/UploadInterface.int.php';

/**
* Implementation for session
*
* @package PhpMyAdmin
*/
class UploadSession implements UploadInterface
{
/**
* Gets the specific upload ID Key
*
* @return string ID Key
*/
public static function getIdKey()
{
return ini_get('session.upload_progress.name');
}

/**
* Returns upload status.
*
* This is implementation for session.upload_progress in PHP 5.4+.
*
* @param string $id upload id
*
* @return array|null
*/
public static function getUploadStatus($id)
{
global $SESSION_KEY;

if (trim($id) == '') {
return null;
}

if (! array_key_exists($id, $_SESSION[$SESSION_KEY])) {
$_SESSION[$SESSION_KEY][$id] = array(
'id' => $id,
'finished' => false,
'percent' => 0,
'total' => 0,
'complete' => 0,
'plugin' => UploadSession::getIdKey()
);
}
$ret = $_SESSION[$SESSION_KEY][$id];

if (! PMA_import_sessionCheck() || $ret['finished']) {
return $ret;
}

$status = false;
$sessionkey = ini_get('session.upload_progress.prefix') . $id;

if (isset($_SESSION[$sessionkey])) {
$status = $_SESSION[$sessionkey];
}

if ($status) {
$ret['finished'] = $status['done'];
$ret['total'] = $status['content_length'];
$ret['complete'] = $status['bytes_processed'];

if ($ret['total'] > 0) {
$ret['percent'] = $ret['complete'] / $ret['total'] * 100;
}
} else {
$ret = array(
'id' => $id,
'finished' => true,
'percent' => 100,
'total' => $ret['total'],
'complete' => $ret['total'],
'plugin' => UploadSession::getIdKey()
);
}

$_SESSION[$SESSION_KEY][$id] = $ret;

return $ret;
}
}
?>