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<?php
/**
* Provides upload functionalities for the import plugins
*/
declare(strict_types=1);
namespace PhpMyAdmin\Plugins\Import\Upload;
use PhpMyAdmin\Import\Ajax;
use PhpMyAdmin\Plugins\UploadInterface;
use function array_key_exists;
use function function_exists;
use function trim;
/**
* Implementation for upload progress
*/
class UploadProgress implements UploadInterface
{
/**
* Gets the specific upload ID Key
*
* @return string ID Key
*/
public static function getIdKey()
{
return 'UPLOAD_IDENTIFIER';
}
/**
* Returns upload status.
*
* This is implementation for upload progress
*
* @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] = [
'id' => $id,
'finished' => false,
'percent' => 0,
'total' => 0,
'complete' => 0,
'plugin' => self::getIdKey(),
];
}
$ret = $_SESSION[$SESSION_KEY][$id];
if (! Ajax::progressCheck() || $ret['finished']) {
return $ret;
}
$status = null;
// @see https://pecl.php.net/package/uploadprogress
if (function_exists('uploadprogress_get_info')) {
$status = uploadprogress_get_info($id);
}
if ($status) {
if ($status['bytes_uploaded'] == $status['bytes_total']) {
$ret['finished'] = true;
} else {
$ret['finished'] = false;
}
$ret['total'] = $status['bytes_total'];
$ret['complete'] = $status['bytes_uploaded'];
if ($ret['total'] > 0) {
$ret['percent'] = $ret['complete'] / $ret['total'] * 100;
}
} else {
$ret = [
'id' => $id,
'finished' => true,
'percent' => 100,
'total' => $ret['total'],
'complete' => $ret['total'],
'plugin' => self::getIdKey(),
];
}
$_SESSION[$SESSION_KEY][$id] = $ret;
return $ret;
}
}