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Application.php
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262 lines (206 loc) · 7.48 KB
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<?php
declare(strict_types=1);
namespace PHPCensor;
use Exception;
use PHPCensor\Exception\HttpException;
use PHPCensor\Exception\HttpException\NotFoundException;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\RedirectResponse;
use PHPCensor\Http\Router;
use PHPCensor\Model\User;
use PHPCensor\Store\UserStore;
use PHPCensor\Common\Application\ConfigurationInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Session\Session;
/**
* @package PHP Censor
* @subpackage Application
*
* @author Dan Cryer <[email protected]>
* @author Dmitry Khomutov <[email protected]>
*/
class Application
{
private ?array $route;
private Controller $controller;
private Request $request;
private Session $session;
private ConfigurationInterface $configuration;
private StoreRegistry $storeRegistry;
private Router $router;
public function __construct(
ConfigurationInterface $configuration,
StoreRegistry $storeRegistry,
Request $request,
Session $session
) {
$this->configuration = $configuration;
$this->storeRegistry = $storeRegistry;
$this->request = $request;
$this->session = $session;
$this->router = new Router($this, $this->request);
$this->init();
}
/**
* Initialise Application - Handles session verification, routing, etc.
*/
public function init(): void
{
$request = & $this->request;
$route = '/:controller/:action';
$opts = ['controller' => 'Home', 'action' => 'index'];
$session = $this->session;
// Inlined as a closure to fix "using $this when not in object context" on 5.3
$validateSession = function () use ($session) {
$sessionUserId = $session->get('php-censor-user-id');
if (!empty($sessionUserId)) {
$user = $this->storeRegistry->get('User')->getById((int)$sessionUserId);
if ($user) {
return true;
}
}
return false;
};
$skipAuth = [$this, 'shouldSkipAuth'];
// Handler for the route we're about to register, checks for a valid session where necessary:
$routeHandler = function ($route, Response &$response) use (&$request, $validateSession, $skipAuth, $session) {
$skipValidation = \in_array($route['controller'], ['session', 'webhook', 'build-status'], true);
if (!$skipValidation && !$validateSession() && (!\is_callable($skipAuth) || !$skipAuth())) {
if ($request->isXmlHttpRequest()) {
$response->setStatusCode(Response::HTTP_UNAUTHORIZED);
$response->setContent(null);
} else {
$session->set('php-censor-login-redirect', \substr($request->getPathInfo(), 1));
$response = new RedirectResponse(APP_URL . 'session/login');
}
return false;
}
return true;
};
$this->router->clearRoutes();
$this->router->register($route, $opts, $routeHandler);
}
/**
* @throws NotFoundException
*/
protected function handleRequestInner(): Response
{
$this->route = $this->router->dispatch();
if (!empty($this->route['callback'])) {
$callback = $this->route['callback'];
$response = new Response();
if (!$callback($this->route, $response)) {
return $response;
}
}
if (!$this->controllerExists($this->route)) {
throw new NotFoundException(
'Controller ' . $this->toPhpName($this->route['controller']) . ' does not exist!'
);
}
$action = \lcfirst($this->toPhpName($this->route['action']));
if (!$this->getController()->hasAction($action)) {
throw new NotFoundException(
'Controller ' . $this->toPhpName($this->route['controller']) . ' does not have action ' . $action . '!'
);
}
return $this->getController()->handleAction($action, $this->route['args']);
}
/**
* @throws Common\Exception\RuntimeException
* @throws HttpException
*/
private function getUser(): ?User
{
$sessionUserId = $this->session->get('php-censor-user-id');
if (empty($sessionUserId)) {
return null;
}
/** @var UserStore $userStore */
$userStore = $this->storeRegistry->get('User');
return $userStore->getById((int)$sessionUserId);
}
/**
* Handle an incoming web request.
*
* @throws Common\Exception\RuntimeException
* @throws HttpException
*/
public function handleRequest(): Response
{
try {
$response = $this->handleRequestInner();
} catch (HttpException $ex) {
$view = new View('exception');
$view->exception = $ex;
$view->user = $this->getUser();
$response = new Response();
$response->setStatusCode($ex->getErrorCode());
$response->setContent($view->render());
} catch (\Throwable $ex) {
$view = new View('exception');
$view->exception = $ex;
$response = new Response();
$response->setStatusCode(Response::HTTP_INTERNAL_SERVER_ERROR);
$response->setContent($view->render());
}
return $response;
}
/**
* Loads a particular controller, and injects our layout view into it.
*/
protected function loadController(string $class): Controller
{
/** @var Controller $controller */
$controller = new $class($this->configuration, $this->storeRegistry, $this->request, $this->session);
$controller->init();
return $controller;
}
/**
* Check whether we should skip auth (because it is disabled)
*
* @throws Common\Exception\RuntimeException
*/
protected function shouldSkipAuth(): bool
{
$disableAuth = (bool)$this->configuration->get('php-censor.security.disable_auth', false);
$defaultUserId = (int)$this->configuration->get('php-censor.security.default_user_id', 1);
if ($disableAuth && $defaultUserId) {
$user = $this->storeRegistry->get('User')->getById($defaultUserId);
if ($user) {
return true;
}
}
return false;
}
public function getController(): Controller
{
if (empty($this->controller)) {
$controllerClass = $this->getControllerClass($this->route);
$this->controller = $this->loadController($controllerClass);
}
return $this->controller;
}
protected function controllerExists(array $route): bool
{
return \class_exists($this->getControllerClass($route));
}
protected function getControllerClass(array $route): string
{
$controller = $this->toPhpName($route['controller']);
return 'PHPCensor\Controller\\' . $controller . 'Controller';
}
public function isValidRoute(array $route): bool
{
if ($this->controllerExists($route)) {
return true;
}
return false;
}
protected function toPhpName(string $string): string
{
$string = \str_replace('-', ' ', $string);
$string = \ucwords($string);
return \str_replace(' ', '', $string);
}
}