<?php
global $root_directory;
require_once($root_directory."/modules/Workflow2/autoload_wf.php");

class Workflow2_DownloadFile_Action extends Vtiger_Action_Controller {

    function checkPermission(Vtiger_Request $request) {
   		return;
   	}

    public function process(Vtiger_Request $request) {
        $adb = PearDatabase::getInstance();
        $params = $request->getAll();
        $id = $request->get('id');
        $filename = $request->get('filename');

        $path = vglobal('root_directory') . '/modules/Workflow2/tmp/download/'.$id;
        if(!file_exists($path)) {
            \Workflow2::error_handler(E_ERROR, 'File to download not found! You could download a file only one time!');
        }
        header("Pragma: public");
        header("Expires: 0");
        header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
        header("Cache-Control: public");
        header("Content-Description: File Transfer");
        header("Content-type: application/octet-stream");
        header("Content-Disposition: attachment; filename=\"".$filename."\"");
        header("Content-Transfer-Encoding: binary");
        header("Content-Length: ".filesize($path));

        @readfile($path);

        @unlink($path);
        exit();
    }

    public function validateRequest(Vtiger_Request $request) {
        $request->validateReadAccess();
    }
}
?>