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0c95774333
- Split DispatchRoute. This allows us to run middleware after we figure out which route we're on, but before we actually execute the controller for that route. - By making the route name explicitly available to middlewares, applications like CSRF and floodgate can set patterns based on route names instead of the path, which is an implementation detail. - Support using route name match for CSRF extender, deprecate path match
80 lines
2.2 KiB
PHP
80 lines
2.2 KiB
PHP
<?php
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/*
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* This file is part of Flarum.
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*
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* For detailed copyright and license information, please view the
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* LICENSE file that was distributed with this source code.
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*/
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namespace Flarum\Http\Middleware;
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use FastRoute\Dispatcher;
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use Flarum\Http\Exception\MethodNotAllowedException;
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use Flarum\Http\Exception\RouteNotFoundException;
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use Flarum\Http\RouteCollection;
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use Psr\Http\Message\ResponseInterface as Response;
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use Psr\Http\Message\ServerRequestInterface as Request;
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use Psr\Http\Server\MiddlewareInterface as Middleware;
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use Psr\Http\Server\RequestHandlerInterface as Handler;
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class ResolveRoute implements Middleware
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{
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/**
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* @var RouteCollection
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*/
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protected $routes;
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/**
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* @var Dispatcher
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*/
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protected $dispatcher;
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/**
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* Create the middleware instance.
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*
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* @param RouteCollection $routes
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*/
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public function __construct(RouteCollection $routes)
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{
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$this->routes = $routes;
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}
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/**
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* Resolve the given request from our route collection.
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*
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* @throws MethodNotAllowedException
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* @throws RouteNotFoundException
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*/
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public function process(Request $request, Handler $handler): Response
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{
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$method = $request->getMethod();
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$uri = $request->getUri()->getPath() ?: '/';
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$routeInfo = $this->getDispatcher()->dispatch($method, $uri);
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switch ($routeInfo[0]) {
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case Dispatcher::NOT_FOUND:
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throw new RouteNotFoundException($uri);
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case Dispatcher::METHOD_NOT_ALLOWED:
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throw new MethodNotAllowedException($method);
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case Dispatcher::FOUND:
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$request = $request
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->withAttribute('routeName', $routeInfo[1]['name'])
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->withAttribute('routeHandler', $routeInfo[1]['handler'])
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->withAttribute('routeParameters', $routeInfo[2]);
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return $handler->handle($request);
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}
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}
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protected function getDispatcher()
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{
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if (! isset($this->dispatcher)) {
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$this->dispatcher = new Dispatcher\GroupCountBased($this->routes->getRouteData());
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}
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return $this->dispatcher;
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}
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}
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