85 lines
2.6 KiB
PHP
85 lines
2.6 KiB
PHP
<?php
|
|
|
|
namespace Engelsystem\Middleware;
|
|
|
|
use Engelsystem\Http\Request;
|
|
use FastRoute\Dispatcher as FastRouteDispatcher;
|
|
use Nyholm\Psr7\Uri;
|
|
use Psr\Http\Message\ResponseInterface;
|
|
use Psr\Http\Message\ServerRequestInterface;
|
|
use Psr\Http\Server\MiddlewareInterface;
|
|
use Psr\Http\Server\RequestHandlerInterface;
|
|
|
|
class RouteDispatcher implements MiddlewareInterface
|
|
{
|
|
/** @var FastRouteDispatcher */
|
|
protected $dispatcher;
|
|
|
|
/** @var ResponseInterface */
|
|
protected $response;
|
|
|
|
/** @var MiddlewareInterface|null */
|
|
protected $notFound;
|
|
|
|
/**
|
|
* @param FastRouteDispatcher $dispatcher
|
|
* @param ResponseInterface $response Default response
|
|
* @param MiddlewareInterface|null $notFound Handles any requests if the route can't be found
|
|
*/
|
|
public function __construct(
|
|
FastRouteDispatcher $dispatcher,
|
|
ResponseInterface $response,
|
|
MiddlewareInterface $notFound = null
|
|
) {
|
|
$this->dispatcher = $dispatcher;
|
|
$this->response = $response;
|
|
$this->notFound = $notFound;
|
|
}
|
|
|
|
/**
|
|
* Process an incoming server request and return a response, optionally delegating
|
|
* response creation to a handler.
|
|
*
|
|
* @param ServerRequestInterface $request
|
|
* @param RequestHandlerInterface $handler
|
|
* @return ResponseInterface
|
|
*/
|
|
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
|
|
{
|
|
$path = (new Uri($request->getUri()))->getPath();
|
|
if ($request instanceof Request) {
|
|
$path = $request->getPathInfo();
|
|
}
|
|
|
|
$path = urldecode($path);
|
|
$route = $this->dispatcher->dispatch($request->getMethod(), $path);
|
|
|
|
$status = $route[0];
|
|
if ($status == FastRouteDispatcher::NOT_FOUND) {
|
|
if ($this->notFound instanceof MiddlewareInterface) {
|
|
return $this->notFound->process($request, $handler);
|
|
}
|
|
|
|
return $this->response->withStatus(404);
|
|
}
|
|
|
|
if ($status == FastRouteDispatcher::METHOD_NOT_ALLOWED) {
|
|
$methods = $route[1];
|
|
return $this->response
|
|
->withStatus(405)
|
|
->withHeader('Allow', implode(', ', $methods));
|
|
}
|
|
|
|
$routeHandler = $route[1];
|
|
$request = $request->withAttribute('route-request-handler', $routeHandler);
|
|
$request = $request->withAttribute('route-request-path', $path);
|
|
|
|
$vars = $route[2];
|
|
foreach ($vars as $name => $value) {
|
|
$request = $request->withAttribute($name, $value);
|
|
}
|
|
|
|
return $handler->handle($request);
|
|
}
|
|
}
|