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<?php |
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/** |
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* @package WPEmerge |
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* @author Atanas Angelov <[email protected]> |
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* @copyright 2018 Atanas Angelov |
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* @license https://www.gnu.org/licenses/gpl-2.0.html GPL-2.0 |
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* @link https://wpemerge.com/ |
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*/ |
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namespace WPEmerge\Kernels; |
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use Exception; |
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use WPEmerge\Application\Application; |
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use WPEmerge\Exceptions\ErrorHandlerInterface; |
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use WPEmerge\Requests\RequestInterface; |
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use WPEmerge\Routing\HasQueryFilterInterface; |
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use WPEmerge\Routing\Router; |
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/** |
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* Describes how a request is handled. |
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*/ |
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class HttpKernel implements HttpKernelInterface { |
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/** |
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* Application. |
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* |
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* @var Application |
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*/ |
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protected $app = null; |
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/** |
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* Request. |
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* |
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* @var RequestInterface |
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*/ |
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protected $request = null; |
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/** |
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* Router. |
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* |
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* @var Router |
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*/ |
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protected $router = null; |
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/** |
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* Error handler. |
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* |
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* @var ErrorHandlerInterface |
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*/ |
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protected $error_handler = null; |
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/** |
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* Middleware available to the application. |
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* |
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* @var array<string, string> |
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*/ |
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protected $middleware = []; |
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/** |
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* Middleware groups. |
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* |
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* @var array<string, array<string>> |
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*/ |
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protected $middleware_groups = []; |
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/** |
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* Global middleware that will be applied to all routes. |
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* |
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* @var array |
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*/ |
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protected $global_middleware = [ |
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\WPEmerge\Flash\FlashMiddleware::class, |
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\WPEmerge\Input\OldInputMiddleware::class, |
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]; |
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/** |
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* Middleware sorted in order of execution. |
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* |
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* @var array<string> |
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*/ |
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protected $middleware_priority = []; |
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/** |
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* Constructor. |
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* |
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* @codeCoverageIgnore |
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* @param RequestInterface $request |
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* @param Router $router |
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* @param ErrorHandlerInterface $error_handler |
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*/ |
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public function __construct( Application $app, RequestInterface $request, Router $router, ErrorHandlerInterface $error_handler ) { |
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$this->app = $app; |
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$this->request = $request; |
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$this->router = $router; |
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$this->error_handler = $error_handler; |
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} |
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/** |
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* {@inheritDoc} |
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* @codeCoverageIgnore |
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*/ |
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public function bootstrap() { |
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$this->router->setMiddleware( $this->middleware ); |
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$this->router->setMiddlewareGroups( $this->middleware_groups ); |
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$this->router->setGlobalMiddleware( $this->global_middleware ); |
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$this->router->setMiddlewarePriority( $this->middleware_priority ); |
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add_action( 'request', [$this, 'filterRequest'], 1000 ); |
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add_action( 'template_include', [$this, 'filterTemplateInclude'], 1000 ); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function handle( RequestInterface $request, $view ) { |
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$this->error_handler->register(); |
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try { |
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$response = $this->router->execute( $request, $view ); |
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} catch ( Exception $exception ) { |
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$response = $this->error_handler->getResponse( $exception ); |
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} |
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$this->error_handler->unregister(); |
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return $response; |
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} |
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/** |
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* Filter the main query vars. |
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* |
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* @param array $query_vars |
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* @return array |
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*/ |
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public function filterRequest( $query_vars ) { |
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$routes = $this->router->getRoutes(); |
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foreach ( $routes as $route ) { |
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if ( ! $route instanceof HasQueryFilterInterface ) { |
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continue; |
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} |
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if ( ! $route->isSatisfied( $this->request ) ) { |
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continue; |
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} |
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$query_vars = $route->applyQueryFilter( $this->request, $query_vars ); |
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break; |
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} |
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return $query_vars; |
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} |
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/** |
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* Filter the main template file. |
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* |
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* @param string $view |
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* @return string |
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*/ |
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public function filterTemplateInclude( $view ) { |
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$response = $this->handle( $this->request, $view ); |
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if ( $response instanceof \Psr\Http\Message\ResponseInterface ) { |
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$container = $this->app->getContainer(); |
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$container[ WPEMERGE_RESPONSE_KEY ] = $response; |
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return WPEMERGE_DIR . DIRECTORY_SEPARATOR . 'src' . DIRECTORY_SEPARATOR . 'view.php'; |
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} |
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return $view; |
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} |
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} |
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htmlburger /
wpemerge
