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<?php |
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/** |
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* Copyright (c) Florian Krämer (https://florian-kraemer.net) |
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* Licensed under The MIT License |
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* For full copyright and license information, please see the LICENSE.txt |
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* Redistributions of files must retain the above copyright notice. |
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* |
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* @copyright Copyright (c) Florian Krämer (https://florian-kraemer.net) |
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* @author Florian Krämer |
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* @link https://github.com/Phauthentic |
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* @license https://opensource.org/licenses/MIT MIT License |
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*/ |
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declare(strict_types=1); |
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namespace Phauthentic\Infrastructure\Http\Middleware; |
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use Phauthentic\Infrastructure\Http\Dispatcher\DispatcherInterface; |
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use Phauthentic\Infrastructure\Http\Dispatcher\HandlerExtractorInterface; |
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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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/** |
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* A simple controller dispatcher middleware |
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* |
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* It will check if there is handler information is in the request. If there is |
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* a it will take the resolved handler, this can be anything, a route object, |
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* a string, a callable and pass it to the dispatcher. |
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*/ |
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class DispatcherMiddleware implements MiddlewareInterface |
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{ |
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/** |
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* @var \Phauthentic\Infrastructure\Http\Dispatcher\HandlerExtractorInterface |
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*/ |
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protected $handlerExtractor; |
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/** |
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* @var \Phauthentic\Infrastructure\Http\Dispatcher\DispatcherInterface |
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*/ |
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protected $dispatcher; |
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/** |
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* @param \Phauthentic\Infrastructure\Http\Dispatcher\HandlerExtractorInterface $handlerExtractor Handler Extractor |
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* @param \Phauthentic\Infrastructure\Http\Dispatcher\DispatcherInterface $dispatcher Dispatcher |
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*/ |
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public function __construct( |
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HandlerExtractorInterface $handlerExtractor, |
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DispatcherInterface $dispatcher |
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) { |
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$this->handlerExtractor = $handlerExtractor; |
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$this->dispatcher = $dispatcher; |
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} |
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/** |
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* Process an incoming server request. |
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* |
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* Processes an incoming server request in order to produce a response. |
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* If unable to produce the response itself, it may delegate to the provided |
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* request handler to do so. |
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* |
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* @param \Psr\Http\Message\ServerRequestInterface $request Server Request |
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* @param \Psr\Http\Server\RequestHandlerInterface $handler Server Request Handler |
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* @return \Psr\Http\Message\ResponseInterface |
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*/ |
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public function process( |
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ServerRequestInterface $request, |
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RequestHandlerInterface $handler |
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): ResponseInterface { |
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$resolvedHandler = $this->handlerExtractor->extractHandler($request); |
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if ($resolvedHandler === null) { |
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$handler->handle($request); |
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} |
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$result = $this->dispatcher->dispatch($request, $resolvedHandler); |
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if ($result instanceof ResponseInterface) { |
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return $result; |
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} |
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return $handler->handle($request); |
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} |
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} |
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Phauthentic /
dispatcher-middleware
