function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next)
{
$url = $request->getAttribute('virtualUri', '');
if (!str_beginsWith($url, "{$this->settings->fileBaseUrl()}/")) {
return $next();
}
// Strip prefix from URL
$url = substr($url, strlen($this->settings->fileBaseUrl()) + 1);
$path = "{$this->settings->fileArchivePath()}/{$url}";
if (!file_exists($path)) {
return $this->responseFactory->make(404, "Not found: {$path}", 'text/plain');
}
$mime = FileUtil::getMimeType($path);
// Serve image file.
if (FileUtil::isImageType($mime)) {
// Use image manipulation parameters extracted from the request.
return $this->glideServer->getImageResponse($url, $request->getQueryParams());
}
// Server non-image file.
return $this->responseFactory->makeStream(fopen($path, 'rb'), 200, ['Content-Type' => $mime, 'Content-Length' => (string) filesize($path), 'Cache-Control' => 'max-age=31536000, public', 'Expires' => date_create('+1 years')->format('D, d M Y H:i:s') . ' GMT']);
}
