protected function prepare()
{
try {
$this->file = $_GET['upgrade'];
$data = Sputnik::get_from_file($file);
if ($data === null) {
throw new Exception(__('Plugin not found', 'sputnik'));
}
$this->id = $data['Sputnik ID'];
} catch (Exception $e) {
status_header(500);
iframe_header(__('Update Plugin', 'sputnik'));
echo $e->getMessage();
iframe_footer();
die;
}
parent::prepare();
}
public static function maybe_redirect_update()
{
if (empty($_GET['action']) || $_GET['action'] !== 'upgrade-plugin' || empty($_REQUEST['plugin'])) {
return;
}
$file = trim($_REQUEST['plugin']);
$data = Sputnik::get_from_file($file);
if ($data === null || empty($data['Sputnik ID'])) {
return;
}
$url = self::build_url(array('upgrade' => $file));
// wp_nonce_url also does a esc_html, so do it ourselves
$url = add_query_arg('_wpnonce', wp_create_nonce('sputnik_upgrade-plugin_' . $file), $url);
wp_redirect(esc_url_raw($url));
die;
}
