/** * Download the file! * @param IDownloader $downloader */ function download(IDownloader $downloader = null) { $req = \Nette\Environment::getHttpRequest(); $res = \Nette\Environment::getHttpResponse(); if (self::$closeSession) { $ses = \Nette\Environment::getSession(); if ($ses->isStarted()) { $ses->close(); } } if ($this->getContentDisposition() == "inline" and is_null($this->enableBrowserCache)) { $this->enableBrowserCache = true; } else { $this->enableBrowserCache = false; } if ($downloader === null) { $downloaders = self::getFileDownloaders(); } else { $downloaders = array($downloader); } if (count($downloaders) <= 0) { throw new \Nette\InvalidStateException("There is no registred downloader!"); } krsort($downloaders); $lastException = null; foreach ($downloaders as $downloader) { if ($downloader instanceof IDownloader and $downloader->isCompatible($this)) { try { FDTools::clearHeaders($res); // Delete all headers $this->transferredBytes = 0; $this->onBeforeDownloaderStarts($this, $downloader); $downloader->download($this); // Start download $this->onComplete($this, $downloader); die; // If all gone ok -> die } catch (FDSkypeMeException $e) { if ($res->isSent()) { throw new \Nette\InvalidStateException("Headers are already sent! Can't skip downloader."); } else { continue; } } catch (Exception $e) { if (!$res->isSent()) { FDTools::clearHeaders($res); } throw $e; } } } // Pokud se soubor nějakým způsobem odešle - toto už se nespustí if ($lastException instanceof Exception) { FDTools::clearHeaders(\Nette\Environment::getHttpResponse(), TRUE); throw $lastException; } if ($req->getHeader("Range")) { FDTools::_HTTPError(416); } else { $res->setCode(500); } throw new \Nette\InvalidStateException("There is no compatible downloader (all downloader returns downloader->isComplatible()=false or was skipped)!"); }