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<?php |
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namespace Backend\Core\Engine\Base; |
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use Backend\Core\Engine\Model; |
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use Backend\Core\Language\Language; |
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use Common\Exception\RedirectException; |
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use ForkCMS\App\KernelLoader; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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/** |
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* This class implements a lot of functionality that can be extended by a specific AJAX action |
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*/ |
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class AjaxAction extends KernelLoader |
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{ |
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/** |
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* @var array |
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*/ |
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private $content; |
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public function execute(): void |
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{ |
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$this->checkCsrfTokenInHeader(); |
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} |
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/** |
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* Since the display action in the backend is rather complicated and we |
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* want to make this work with our Kernel, I've added this getContent |
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* method to extract the output from the actual displaying. |
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* |
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* With this function we'll be able to get the content and return it as a |
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* Symfony output object. |
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* |
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* @return Response |
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*/ |
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public function getContent(): Response |
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{ |
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return new Response( |
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json_encode($this->content), |
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$this->content['code'] ?? Response::HTTP_OK, |
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['content-type' => 'application/json'] |
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); |
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} |
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/** |
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* Output an answer to the browser |
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* |
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* @param int $statusCode The status code for the response, use the HTTP constants from the Symfony Response class |
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* @param mixed $data The data to output. |
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* @param string $message The text-message to send. |
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*/ |
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public function output(int $statusCode, $data = null, string $message = null): void |
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{ |
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$this->content = ['code' => $statusCode, 'data' => $data, 'message' => $message]; |
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} |
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/** |
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* Get the request from the container. |
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* |
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* @return Request |
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*/ |
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public function getRequest(): Request |
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{ |
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return Model::getRequest(); |
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} |
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public function getAction(): string |
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{ |
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return $this->get('url')->getAction(); |
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} |
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public function getModule(): string |
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{ |
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return $this->get('url')->getModule(); |
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} |
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protected function checkCsrfTokenInHeader(): void |
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{ |
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$fromSession = Model::getSession()->get('csrf_token', ''); |
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$fromHeader = $this->getRequest()->headers->get('X-CSRF-Token', ''); |
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if ($fromSession !== '' && $fromHeader !== '' && $fromSession === $fromHeader) { |
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return; |
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} |
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// clear the token |
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Model::getSession()->set('csrf_token', ''); |
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throw new RedirectException( |
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'Invalid csrf token', |
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JsonResponse::create(Language::err('Csrf'), JsonResponse::HTTP_FORBIDDEN) |
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); |
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} |
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} |
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forkcms /
forkcms
