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<?php |
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/** |
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* @copyright 2018 Vladimir Jimenez |
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* @license https://github.com/stakx-io/stakx/blob/master/LICENSE.md MIT |
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*/ |
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namespace allejo\stakx\Server; |
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use allejo\stakx\Compiler; |
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use allejo\stakx\Filesystem\File; |
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use allejo\stakx\Filesystem\FilesystemPath; |
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use allejo\stakx\Service; |
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use FastRoute\Dispatcher; |
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use Psr\Http\Message\ServerRequestInterface; |
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use React\Http\Response; |
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use React\Http\Server; |
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use Symfony\Component\Filesystem\Exception\FileNotFoundException; |
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class DevServer |
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{ |
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/** |
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* Return a 200 HTML Response. |
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* |
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* This is just a utility function available. |
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* |
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* @param string $content |
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* @param mixed $mimeType |
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* |
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* @return Response |
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*/ |
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public static function return200($content, $mimeType = 'text/html') |
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{ |
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return new Response(200, ['Content-Type' => $mimeType], $content); |
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} |
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/** |
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* Return a 404 Response. |
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* |
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* This is just a utility function available. |
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* |
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* @return Response |
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*/ |
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public static function return404() |
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{ |
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return new Response(404, ['Content-Type' => 'text/plain'], '404: Page not found'); |
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} |
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/** |
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* Factory method for creating a React Server instance. |
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* |
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* @param PageViewRouter $router |
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* @param Compiler $compiler |
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* |
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* @return Server |
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*/ |
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public static function create(PageViewRouter $router, Compiler $compiler) |
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{ |
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$dispatcher = RouteDispatcher::create($router, $compiler); |
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return new Server(function (ServerRequestInterface $request) use ($router, $dispatcher) { |
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$httpMethod = $request->getMethod(); |
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$urlPath = RouteDispatcher::normalizeUrl($request->getUri()->getPath()); |
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// We're a static website, we should never support anything other than GET requests |
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if ($httpMethod !== 'GET') |
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{ |
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return new Response(406, ['Content-Type' => 'text/plain'], 'Method not allowed'); |
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} |
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$routeInfo = $dispatcher->dispatch($httpMethod, $urlPath); |
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switch ($routeInfo[0]) |
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{ |
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// We found a known URL meaning it's a PageView |
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case Dispatcher::FOUND: |
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$urlPlaceholders = isset($routeInfo[2]) ? $routeInfo[2] : []; |
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return $routeInfo[1]($request, ...array_values($urlPlaceholders)); |
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case Dispatcher::NOT_FOUND: |
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if (($asset = self::searchAsset($urlPath)) !== null) |
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{ |
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return $asset; |
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} |
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return DevServer::return404(); |
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default: |
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return DevServer::return404(); |
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} |
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}); |
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} |
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/** |
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* Search for a static asset for our DevServer to load. |
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* |
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* @param string $url |
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* @param bool $continueNesting |
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* |
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* @return null|Response |
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*/ |
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private static function searchAsset($url, $continueNesting = true) |
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{ |
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$preparedPath = substr($url, 0, 1) === '/' ? substr($url, 1) : $url; |
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$path = new FilesystemPath($preparedPath); |
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try |
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{ |
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$file = new File($path); |
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$mime = MimeDetector::getMimeType($file->getExtension()); |
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return new Response(200, ['Content-Type' => $mime], $file->getContents()); |
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} |
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catch (FileNotFoundException $e) |
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{ |
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if (!$continueNesting) |
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{ |
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// This will evaluate to true if we've searched inside the themes folder and it still doesn't exist |
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return null; |
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} |
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// If the asset doesn't exist within our project root, see if it exists in our theme folder |
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$theme = Service::getOption('theme'); |
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$themeFile = "_themes/${theme}/" . $url; |
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return self::searchAsset($themeFile, false); |
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} |
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} |
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} |
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stakx-io /
stakx
