public function execute(Request $request, WorkingFolder $workingFolder, EventDispatcher $dispatcher)
{
$fileName = (string) $request->query->get('fileName');
$downloadedFile = new DownloadedFile($fileName, $this->app);
$downloadedFile->isValid();
$downloadedFileEvent = new DownloadFileEvent($this->app, $downloadedFile);
$dispatcher->dispatch(CKFinderEvent::DOWNLOAD_FILE, $downloadedFileEvent);
if ($downloadedFileEvent->isPropagationStopped()) {
throw new AccessDeniedException();
}
$response = new StreamedResponse();
$response->headers->set('Cache-Control', 'cache, must-revalidate');
$response->headers->set('Pragma', 'public');
$response->headers->set('Expires', '0');
if ($request->get('format') === 'text') {
$response->headers->set('Content-Type', 'text/plain; charset=utf-8');
} else {
$userAgent = !empty($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
$encodedName = str_replace("\"", "\\\"", $fileName);
if (strpos($userAgent, 'MSIE') !== false) {
$encodedName = str_replace(array("+", "%2E"), array(" ", "."), urlencode($encodedName));
}
$response->headers->set('Content-Type', 'application/octet-stream; name="' . $fileName . '"');
$response->headers->set('Content-Disposition', 'attachment; filename="' . $encodedName . '"');
}
$response->headers->set('Content-Length', $downloadedFile->getSize());
$fileStream = $workingFolder->readStream($downloadedFile->getFilename());
$chunkSize = 1024 * 100;
// how many bytes per chunk
$response->setCallback(function () use($fileStream, $chunkSize) {
if ($fileStream === false) {
return false;
}
while (!feof($fileStream)) {
echo fread($fileStream, $chunkSize);
flush();
@set_time_limit(8);
}
return true;
});
return $response;
}
public function execute(Request $request, WorkingFolder $workingFolder, EventDispatcher $dispatcher, Config $config)
{
$fileName = (string) $request->query->get('fileName');
$thumbnailFileName = (string) $request->query->get('thumbnail');
if (!File::isValidName($fileName, $config->get('disallowUnsafeCharacters'))) {
throw new InvalidRequestException(sprintf('Invalid file name: %s', $fileName));
}
$cacheLifetime = (int) $request->query->get('cache');
if (!$workingFolder->containsFile($fileName)) {
throw new FileNotFoundException();
}
if ($thumbnailFileName) {
if (!File::isValidName($thumbnailFileName, $config->get('disallowUnsafeCharacters'))) {
throw new InvalidRequestException(sprintf('Invalid resized image file name: %s', $fileName));
}
if (!$workingFolder->getResourceType()->isAllowedExtension(pathinfo($thumbnailFileName, PATHINFO_EXTENSION))) {
throw new InvalidExtensionException();
}
$resizedImageRespository = $this->app->getResizedImageRepository();
$file = $resizedImageRespository->getExistingResizedImage($workingFolder->getResourceType(), $workingFolder->getClientCurrentFolder(), $fileName, $thumbnailFileName);
$dataStream = $file->readStream();
} else {
$file = new DownloadedFile($fileName, $this->app);
$file->isValid();
$dataStream = $workingFolder->readStream($file->getFilename());
}
$proxyDownload = new ProxyDownloadEvent($this->app, $file);
$dispatcher->dispatch(CKFinderEvent::PROXY_DOWNLOAD, $proxyDownload);
if ($proxyDownload->isPropagationStopped()) {
throw new AccessDeniedException();
}
$response = new StreamedResponse();
$response->headers->set('Content-Type', $file->getMimeType());
$response->headers->set('Content-Length', $file->getSize());
$response->headers->set('Content-Disposition', 'inline; filename="' . $fileName . '"');
if ($cacheLifetime > 0) {
Utils::removeSessionCacheHeaders();
$response->setPublic();
$response->setEtag(dechex($file->getTimestamp()) . "-" . dechex($file->getSize()));
$lastModificationDate = new \DateTime();
$lastModificationDate->setTimestamp($file->getTimestamp());
$response->setLastModified($lastModificationDate);
if ($response->isNotModified($request)) {
return $response;
}
$response->setMaxAge($cacheLifetime);
$expireTime = new \DateTime();
$expireTime->modify('+' . $cacheLifetime . 'seconds');
$response->setExpires($expireTime);
}
$chunkSize = 1024 * 100;
$response->setCallback(function () use($dataStream, $chunkSize) {
if ($dataStream === false) {
return false;
}
while (!feof($dataStream)) {
echo fread($dataStream, $chunkSize);
flush();
@set_time_limit(8);
}
return true;
});
return $response;
}
