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<?php |
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declare(strict_types=1); |
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namespace AbterPhp\Admin\Http\Middleware; |
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use AbterPhp\Admin\Config\Routes as RoutesConfig; |
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use Closure; |
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use Opulence\Framework\Configuration\Config; |
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use Opulence\Framework\Http\CsrfTokenChecker; |
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use Opulence\Http\InvalidCsrfTokenException; |
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use Opulence\Http\Requests\Request; |
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use Opulence\Http\Responses\Cookie; |
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use Opulence\Http\Responses\Response; |
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use Opulence\Routing\Middleware\IMiddleware; |
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use Opulence\Sessions\ISession; |
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/** |
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* Defines the middleware that checks the CSRF token |
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*/ |
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class CheckCsrfToken implements IMiddleware |
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{ |
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/** @var CsrfTokenChecker The CSRF token checker */ |
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protected CsrfTokenChecker $csrfTokenChecker; |
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/** @var ISession The current session */ |
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protected ISession $session; |
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private RoutesConfig $routesConfig; |
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/** |
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* @param CsrfTokenChecker $csrfTokenChecker The CSRF token checker |
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* @param ISession $session The current session |
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* @param RoutesConfig $routesConfig |
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*/ |
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public function __construct(CsrfTokenChecker $csrfTokenChecker, ISession $session, RoutesConfig $routesConfig) |
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{ |
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$this->csrfTokenChecker = $csrfTokenChecker; |
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$this->session = $session; |
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$this->routesConfig = $routesConfig; |
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} |
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/** |
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* @inheritdoc |
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* @throws InvalidCsrfTokenException Thrown if the CSRF token is invalid |
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*/ |
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public function handle(Request $request, Closure $next): Response |
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{ |
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if ($this->isApiRequest($request)) { |
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return $next($request); |
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} |
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if (!$this->csrfTokenChecker->tokenIsValid($request, $this->session)) { |
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throw new InvalidCsrfTokenException('Invalid CSRF token'); |
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} |
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return $this->writeToResponse($next($request)); |
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} |
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/** |
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* @param Request $request |
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* |
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* @return bool |
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*/ |
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protected function isApiRequest(Request $request): bool |
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{ |
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$apiBasePath = $this->routesConfig->getApiBasePath(); |
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$path = $request->getPath(); |
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return substr($path, 0, strlen($apiBasePath)) === $apiBasePath; |
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} |
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/** |
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* @SuppressWarnings(PHPMD.StaticAccess) |
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* |
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* Writes data to the response |
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* |
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* @param Response $response The response to write to |
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* |
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* @return Response The response with the data written to it |
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*/ |
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protected function writeToResponse(Response $response): Response |
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{ |
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$sessionValue = $this->session->get(CsrfTokenChecker::TOKEN_INPUT_NAME); |
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$lifetime = Config::get('sessions', 'xsrfcookie.lifetime'); |
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$expiration = time() + $lifetime; |
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$path = Config::get('sessions', 'cookie.path'); |
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$domain = Config::get('sessions', 'cookie.domain'); |
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$isSecure = Config::get('sessions', 'cookie.isSecure'); |
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// Add an XSRF cookie for JavaScript frameworks to use |
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$response->getHeaders()->setCookie( |
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new Cookie( |
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'XSRF-TOKEN', |
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$sessionValue, |
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$expiration, |
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$path, |
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$domain, |
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$isSecure, |
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false |
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) |
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); |
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return $response; |
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} |
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} |
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