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<?php
declare(strict_types=1);
namespace PhpMyAdmin\Controllers;
use PhpMyAdmin\Core;
use PhpMyAdmin\Import\Ajax;
use PhpMyAdmin\Message;
use PhpMyAdmin\Template;
use function header;
use function ini_get;
use function session_start;
use function session_write_close;
use function time;
use function usleep;
/**
* Import progress bar backend
*/
class ImportStatusController
{
/** @var Template */
private $template;
/**
* @param Template $template Template object
*/
public function __construct(Template $template)
{
$this->template = $template;
}
public function index(): void
{
global $SESSION_KEY, $upload_id, $plugins, $timestamp;
[
$SESSION_KEY,
$upload_id,
$plugins,
] = Ajax::uploadProgressSetup();
// $_GET["message"] is used for asking for an import message
if (isset($_GET['message']) && $_GET['message']) {
// AJAX requests can't be cached!
Core::noCacheHeader();
header('Content-type: text/html');
// wait 0.3 sec before we check for $_SESSION variable
usleep(300000);
$maximumTime = ini_get('max_execution_time');
$timestamp = time();
// wait until message is available
while (($_SESSION['Import_message']['message'] ?? null) == null) {
// close session before sleeping
session_write_close();
// sleep
usleep(250000); // 0.25 sec
// reopen session
session_start();
if (time() - $timestamp > $maximumTime) {
$_SESSION['Import_message']['message'] = Message::error(
__('Could not load the progress of the import.')
)->getDisplay();
break;
}
}
echo $_SESSION['Import_message']['message'] ?? '';
if (isset($_SESSION['Import_message']['go_back_url'])) {
echo $this->template->render('import_status', [
'go_back_url' => $_SESSION['Import_message']['go_back_url'],
]);
}
} else {
Ajax::status($_GET['id']);
}
}
}