/**
* Return admin assets
* @param Response $response
* @param $asset
* @return Response|static
* @throws FileNotFoundException
*/
public function assets(Response $response, $asset)
{
$filesystem = new Filesystem(new Adapter(FS2ADMIN));
$expires = 8640000;
try {
// generate cache data
$timestamp_string = gmdate('D, d M Y H:i:s ', $filesystem->getTimestamp($asset)) . 'GMT';
$etag = md5($filesystem->read($asset));
$mime_type = $filesystem->getMimetype($asset);
if (0 !== strpos($mime_type, 'image')) {
$mime_type = 'text/css';
}
$if_modified_since = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? $_SERVER['HTTP_IF_MODIFIED_SINCE'] : false;
$if_none_match = isset($_SERVER['HTTP_IF_NONE_MATCH']) ? $_SERVER['HTTP_IF_NONE_MATCH'] : false;
if (($if_none_match && $if_none_match == "\"{$etag}\"" || !$if_none_match) && ($if_modified_since && $if_modified_since == $timestamp_string)) {
return $response->withStatus('304');
} else {
$response = $response->withHeader('Last-Modified', $timestamp_string)->withHeader('ETag', "\"{$etag}\"");
}
// send out content type, expire time and the file
$response->getBody()->write($filesystem->read($asset));
return $response->withHeader('Expires', gmdate('D, d M Y H:i:s ', time() + $expires) . 'GMT')->withHeader('Content-Type', $mime_type)->withHeader('Pragma', 'cache')->withHeader('Cache-Control', 'cache');
} catch (FileNotFoundException $e) {
throw $e;
}
}
/**
* Executes a http request.
*
* @param ServerRequestInterface $request
*
* @return ResponseInterface
*/
public function __invoke(ServerRequestInterface $request, Response $response)
{
$runner = new Runner(array_merge($this->queue, $this->sources, [function (ServerRequestInterface $request, Response $response, callable $next) {
return $response->withStatus(404);
}]));
return $runner($request, $response);
}
/**
* Wrap the remaining middleware with error handling.
*
* @param Request $request The request.
* @param Response $response The response.
* @param callable $next Callback to invoke the next middleware.
* @return Response A response
*/
public function __invoke(Request $request, Response $response, callable $next)
{
$uri = $this->getBaseUri($request);
$route = $this->router->dispatch($request->getMethod(), $uri);
if ($route[0] === Dispatcher::NOT_FOUND) {
$stream = new Stream('php://temp', 'wb+');
$stream->write('Not found');
return $response->withStatus(404)->withBody($stream);
}
if ($route[0] === Dispatcher::METHOD_NOT_ALLOWED) {
$stream = new Stream('php://temp', 'wb+');
$stream->write('Not allowed');
return $response->withStatus(405)->withBody($stream);
}
$request = $request->withAttribute('vars', $route[2]);
$response = $this->executeCallable($route[1], $request, $response, $next);
return $next($request, $response);
}
/**
*
*/
public function run()
{
$route = $this->getRoute();
if ($route !== null) {
$queue = array_merge($this->_middleware->getArrayCopy(), $route->getMiddleware());
$queue[] = $route->getRequestHandler();
$relayBuilder = new RelayBuilder();
$relay = $relayBuilder->newInstance($queue);
(new SapiEmitter())->emit($relay($this->_request, $this->_response));
return true;
}
(new SapiEmitter())->emit($this->_response->withStatus(404));
}
public function failed(Request $request, Response $response)
{
return $response->withStatus(502);
}
