<?php

class Qs_ViewController extends Qs_Sys_ViewController
{
    protected function _escapeAttachmentName($name)
    {
        $disabledCharacters = ['<', '>', '\\', '"', '/', ':', '|', '?', '*'];
        return str_replace($disabledCharacters, '', $name);
    }

    protected function _sendTempFile($file, $name)
    {
        header('Expires: Sat, 01 Jan 2000 00:00:00 GMT');
        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
        header('Cache-Control: no-cache, must-revalidate');
        header('Pragma: no-cache');
        header('Content-Type: application/pdf');
        header('Content-Disposition: inline; filename="' . $this->_escapeAttachmentName($name . '.pdf') . '"');
        readfile($file);
        unlink($file);
        exit;
    }

}