Fisharebest\Webtrees\Http\Middleware\Router::process()

Complexity

Conditions	12
Paths	21

Size

Total Lines	92
Code Lines	43

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

<?php
    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        // Ugly URLs store the path in a query parameter.
        $url_route = Validator::queryParams($request)->string('route', '');

        if (Validator::attributes($request)->boolean('rewrite_urls', false)) {
            // We are creating pretty URLs, but received an ugly one. Probably a search-engine. Redirect it.
            if ($url_route !== '') {
                $uri = $request->getUri()
                    ->withPath($url_route)
                    ->withQuery(explode('&', $request->getUri()->getQuery(), 2)[1] ?? '');

                return Registry::responseFactory()->redirectUrl($uri, StatusCodeInterface::STATUS_PERMANENT_REDIRECT);
            }

            $pretty = $request;
        } else {
            // Turn the ugly URL into a pretty one, so the router can parse it.
            $uri    = $request->getUri()->withPath($url_route);
            $pretty = $request->withUri($uri);
        }

        // Match the request to a route.
        $matcher = $this->router_container->getMatcher();
        $route   = $matcher->match($pretty);

        // No route matched?
        if ($route === false) {
            $failed_route = $matcher->getFailedRoute();

            if ($failed_route instanceof Route) {
                if ($failed_route->failedRule === Allows::class) {
                    return Registry::responseFactory()->response('', StatusCodeInterface::STATUS_METHOD_NOT_ALLOWED, [
                        'Allow' => implode(', ', $failed_route->allows),
                    ]);
                }

                if ($failed_route->failedRule === Accepts::class) {
                    return Registry::responseFactory()->response('Negotiation failed', StatusCodeInterface::STATUS_NOT_ACCEPTABLE);
                }
            }

            // Not found
            return $handler->handle($request);
        }

        // Add the route as attribute of the request
        $request = $request->withAttribute('route', $route);

        // This middleware cannot run until after the routing, as it needs to know the route.
        $post_routing_middleware = [CheckCsrf::class];

        // Firstly, apply the route middleware
        $route_middleware = $route->extras['middleware'] ?? [];

        // Secondly, apply any module middleware
        $module_middleware = $this->module_service->findByInterface(MiddlewareInterface::class)->all();

        // Finally, run the handler using middleware
        $handler_middleware = [RequestHandler::class];

        $middleware = array_merge(
            $post_routing_middleware,
            $route_middleware,
            $module_middleware,
            $handler_middleware
        );

        // Add the matched attributes to the request.
        foreach ($route->attributes as $key => $value) {
            if ($key === 'tree') {
                $value = $this->tree_service->all()->get($value);

                if ($value instanceof Tree) {
                    Registry::container()->set(Tree::class, $value);
                }

                // Missing mandatory parameter? Let the default handler take care of it.
                if ($value === null && str_contains($route->path, '{tree}')) {
                    return $handler->handle($request);
                }
            }

            $request = $request->withAttribute((string) $key, $value);
        }

        // Bind the updated request into the container
        Registry::container()->set(ServerRequestInterface::class, $request);

        $dispatcher = new Dispatcher($middleware, Registry::container());

        return $dispatcher->dispatch($request);
    }