public function executeDownloadFile(sfWebRequest $request)
{
$this->setLayout(false);
$report = Doctrine::getTable('Reports')->find($request->getParameter('id'));
if (!in_array($report->getName(), array_keys(Reports::getGlobalReports($this->getUser())))) {
return $this->forwardToSecureAction();
}
$this->forward404Unless(file_exists($uri = sfConfig::get('sf_upload_dir') . $report->getUri()), sprintf('This file does not exist'));
$response = $this->getResponse();
// First clear HTTP headers
$response->clearHttpHeaders();
// Then define the necessary headers
$response->setContentType(Multimedia::getMimeTypeFor($report->getFormat()));
$response->setHttpHeader('Content-Disposition', 'attachment; filename="' . $report->getName() . "." . $report->getFormat() . '"');
$response->setHttpHeader('Content-Description', 'File Transfer');
$response->setHttpHeader('Content-Transfer-Encoding', 'binary');
$response->setHttpHeader('Content-Length', filesize($uri));
$response->setHttpHeader('Cache-Control', 'public, must-revalidate');
// if https then always give a Pragma header like this to overwrite the "pragma: no-cache" header which
// will hint IE8 from caching the file during download and leads to a download error!!!
$response->setHttpHeader('Pragma', 'public');
$response->sendHttpHeaders();
ob_end_flush();
return $this->renderText(readfile($uri));
}