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<?php declare(strict_types=1); |
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/** |
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* It's free open-source software released under the MIT License. |
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* |
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* @author Anatoly Fenric <[email protected]> |
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* @copyright Copyright (c) 2018, Anatoly Fenric |
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* @license https://github.com/sunrise-php/http-router/blob/master/LICENSE |
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* @link https://github.com/sunrise-php/http-router |
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*/ |
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namespace Sunrise\Http\Router; |
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/** |
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* Import classes |
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*/ |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Sunrise\Http\Router\Exception\ExceptionInterface; |
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use Sunrise\Http\Router\Exception\MethodNotAllowedException; |
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use Sunrise\Http\Router\Exception\RouteNotFoundException; |
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use Sunrise\Http\Router\RequestHandler\RoutableRequestHandler; |
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/** |
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* Import functions |
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*/ |
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use function array_keys; |
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/** |
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* Router |
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*/ |
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class Router extends RouteCollection implements MiddlewareInterface, RequestHandlerInterface |
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{ |
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/** |
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* Server Request attribute name for routing error instance |
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* |
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* @var string |
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*/ |
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public const ATTR_NAME_FOR_ROUTING_ERROR = '@routing-error'; |
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/** |
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* Gets a route for the given name |
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* |
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* @param string $name |
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* |
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* @return RouteInterface |
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* |
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* @throws RouteNotFoundException |
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*/ |
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public function getRoute(string $name) : RouteInterface |
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{ |
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foreach ($this->getRoutes() as $route) { |
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if ($name === $route->getName()) { |
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return $route; |
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} |
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} |
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throw new RouteNotFoundException(); |
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} |
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/** |
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* Looks for a route that matches the given request |
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* |
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* @param ServerRequestInterface $request |
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* |
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* @return RouteInterface |
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* |
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* @throws MethodNotAllowedException |
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* @throws RouteNotFoundException |
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* |
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* @todo Matching by strategy for detecting verbs... |
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*/ |
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public function match(ServerRequestInterface $request) : RouteInterface |
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{ |
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$routes = []; |
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foreach ($this->getRoutes() as $route) { |
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foreach ($route->getMethods() as $method) { |
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$routes[$method][] = $route; |
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} |
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} |
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$method = $request->getMethod(); |
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if (!isset($routes[$method])) { |
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throw new MethodNotAllowedException( |
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array_keys($routes) |
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); |
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} |
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$target = $request->getUri()->getPath(); |
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foreach ($routes[$method] as $route) { |
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if (path_match($route->getPath(), $target, $attributes)) { |
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return $route->withAddedAttributes($attributes); |
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} |
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} |
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throw new RouteNotFoundException(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function handle(ServerRequestInterface $request) : ResponseInterface |
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{ |
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$route = $this->match($request); |
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$requestHandler = new RoutableRequestHandler($route); |
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return $requestHandler->handle($request); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler) : ResponseInterface |
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{ |
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try { |
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return $this->handle($request); |
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} catch (ExceptionInterface $e) { |
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return $handler->handle( |
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$request->withAttribute(self::ATTR_NAME_FOR_ROUTING_ERROR, $e) |
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); |
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} |
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} |
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} |
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sunrise-php /
http-router
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