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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,235 @@ | ||
| <?php | ||
|
|
||
| /* | ||
| * UrlRewrite Bundle for Contao Open Source CMS. | ||
| * | ||
| * @copyright Copyright (c) 2021, terminal42 gmbh | ||
| * @author terminal42 <https://terminal42.ch> | ||
| * @license MIT | ||
| */ | ||
|
|
||
| namespace Terminal42\UrlRewriteBundle\Controller; | ||
|
|
||
| use Contao\Backend; | ||
| use Contao\BackendTemplate; | ||
| use Contao\CoreBundle\Exception\PageNotFoundException; | ||
| use Contao\Input; | ||
| use Contao\StringUtil; | ||
| use Contao\Validator; | ||
| use Contao\Widget; | ||
| use Doctrine\DBAL\Connection; | ||
| use Symfony\Component\HttpFoundation\Request; | ||
| use Symfony\Component\HttpFoundation\RequestStack; | ||
| use Symfony\Component\HttpFoundation\Response; | ||
| use Symfony\Component\HttpKernel\UriSigner; | ||
| use Symfony\Component\Routing\Annotation\Route; | ||
| use Symfony\Component\Routing\Exception\InvalidParameterException; | ||
| use Symfony\Component\Routing\Exception\MissingMandatoryParametersException; | ||
| use Symfony\Component\Routing\RouterInterface; | ||
| use Terminal42\UrlRewriteBundle\QrCodeGenerator; | ||
|
|
||
| class QrCodeController | ||
| { | ||
| /** | ||
| * @var Connection | ||
| */ | ||
| private $connection; | ||
|
|
||
| /** | ||
| * @var QrCodeGenerator | ||
| */ | ||
| private $qrCodeGenerator; | ||
|
|
||
| /** | ||
| * @var RequestStack | ||
| */ | ||
| private $requestStack; | ||
|
|
||
| /** | ||
| * @var RouterInterface | ||
| */ | ||
| private $router; | ||
|
|
||
| /** | ||
| * @var UriSigner | ||
| */ | ||
| private $uriSigner; | ||
|
|
||
| /** | ||
| * QrCodeController constructor. | ||
| */ | ||
| public function __construct(Connection $connection, QrCodeGenerator $qrCodeGenerator, RequestStack $requestStack, RouterInterface $router, UriSigner $uriSigner) | ||
| { | ||
| $this->connection = $connection; | ||
| $this->qrCodeGenerator = $qrCodeGenerator; | ||
| $this->requestStack = $requestStack; | ||
| $this->router = $router; | ||
| $this->uriSigner = $uriSigner; | ||
| } | ||
|
|
||
| /** | ||
| * Index view. | ||
| */ | ||
| public function index(): Response | ||
| { | ||
| if (($request = $this->requestStack->getCurrentRequest()) === null | ||
| || !($id = $request->query->getInt('id')) | ||
| || ($rewriteData = $this->connection->fetchAssociative('SELECT * FROM tl_url_rewrite WHERE id=?', [$id])) === false | ||
| || !$this->qrCodeGenerator->validate($rewriteData) | ||
| ) { | ||
| throw new PageNotFoundException(); | ||
| } | ||
|
|
||
| $routeParameters = [ | ||
| 'scheme' => $request->getScheme(), | ||
| 'host' => null, | ||
| ]; | ||
|
|
||
| $template = new BackendTemplate('be_url_rewrite_qr_code'); | ||
| $template->backUrl = Backend::getReferer(); | ||
|
|
||
| // Add form to the template | ||
| $this->addFormToTemplate($template, $request, $rewriteData, $routeParameters); | ||
|
|
||
| // Generate the QR code only if ALL parameters are set | ||
| if (count($routeParameters) > 0 && !\in_array(null, $routeParameters, true)) { | ||
| $this->addQrCodeToTemplate($template, $rewriteData, $routeParameters); | ||
| } | ||
|
|
||
| return $template->getResponse(); | ||
| } | ||
|
|
||
| /** | ||
| * @Route("/url_rewrite_qr_code/{url}", name="url_rewrite_qr_code", methods={"GET"}) | ||
| */ | ||
| public function qrCode(Request $request, string $url): Response | ||
| { | ||
| if (!$this->uriSigner->check($request->getSchemeAndHttpHost() . $request->getBaseUrl() . $request->getPathInfo() . (null !== ($qs = $request->server->get('QUERY_STRING')) ? '?' . $qs : ''))) { | ||
| return new Response(Response::$statusTexts[Response::HTTP_BAD_REQUEST], Response::HTTP_BAD_REQUEST); | ||
| } | ||
|
|
||
| $url = base64_decode($url); | ||
|
|
||
| if (!Validator::isUrl($url) || !preg_match('/https?:\/\//', $url)) { | ||
| return new Response(Response::$statusTexts[Response::HTTP_BAD_REQUEST], Response::HTTP_BAD_REQUEST); | ||
| } | ||
|
|
||
| $response = new Response($this->qrCodeGenerator->generateImage($url)); | ||
| $response->headers->set('content-type', 'image/svg+xml'); | ||
|
|
||
| return $response; | ||
| } | ||
|
|
||
| /** | ||
| * Add QR code to the template. | ||
| */ | ||
| private function addQrCodeToTemplate(BackendTemplate $template, array $rewriteData, array $routeParameters): void | ||
| { | ||
| try { | ||
| $url = $this->qrCodeGenerator->generateUrl($rewriteData, $routeParameters); | ||
|
|
||
| if ($url !== '') { | ||
| $template->qrCode = $this->uriSigner->sign($this->router->generate('url_rewrite_qr_code', ['url' => base64_encode($url)], RouterInterface::ABSOLUTE_URL)); | ||
| $template->url = $url; | ||
| } else { | ||
| $template->error = $GLOBALS['TL_LANG']['tl_url_rewrite']['qrCodeRef']['routeError']; | ||
| } | ||
| } catch (MissingMandatoryParametersException | InvalidParameterException $e) { | ||
| $template->error = $e->getMessage(); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Add form to the template. | ||
| */ | ||
| private function addFormToTemplate(BackendTemplate $template, Request $request, array $rewriteData, array &$routeParameters): array | ||
| { | ||
| $formFields = []; | ||
|
|
||
| // Add the scheme form field | ||
| $formFields['scheme'] = new $GLOBALS['BE_FFL']['select'](Widget::getAttributesFromDca([ | ||
| 'label' => &$GLOBALS['TL_LANG']['tl_url_rewrite']['qrCodeRef']['scheme'], | ||
| 'options' => ['http', 'https'], | ||
| ], 'scheme', Input::post('scheme') ?: $request->getScheme())); | ||
|
|
||
| // Determine the host | ||
| if (\is_array($hosts = StringUtil::deserialize($rewriteData['requestHosts'])) && \count($hosts = array_filter($hosts)) > 0) { | ||
| // Set the host immediately if there's only one | ||
| if (1 === \count($hosts)) { | ||
| $routeParameters['host'] = $hosts[0]; | ||
| } else { | ||
| // Generate a select menu field for host | ||
| $formFields['host'] = new $GLOBALS['BE_FFL']['select'](Widget::getAttributesFromDca([ | ||
| 'label' => &$GLOBALS['TL_LANG']['tl_url_rewrite']['qrCodeRef']['host'], | ||
| 'options' => $hosts, | ||
| 'eval' => ['mandatory' => true, 'includeBlankOption' => true], | ||
| ], 'host', Input::post('host'))); | ||
| } | ||
| } else { | ||
| // Generate a text field for host | ||
| $formFields['host'] = new $GLOBALS['BE_FFL']['text'](Widget::getAttributesFromDca([ | ||
| 'label' => &$GLOBALS['TL_LANG']['tl_url_rewrite']['qrCodeRef']['host'], | ||
| 'eval' => ['mandatory' => true, 'decodeEntities' => true, 'rgxp' => 'url'], | ||
| ], 'host', Input::post('host'))); | ||
| } | ||
|
|
||
| $requirements = StringUtil::deserialize($rewriteData['requestRequirements']); | ||
|
|
||
| // Generate the requirement fields | ||
| if (\is_array($requirements) && \count($requirements) > 0) { | ||
| foreach ($requirements as $requirement) { | ||
| if ('' !== $requirement['key'] && '' !== $requirement['value']) { | ||
| $fieldName = 'requirement_'.$requirement['key']; | ||
|
|
||
| $formFields[$fieldName] = new $GLOBALS['BE_FFL']['text'](Widget::getAttributesFromDca([ | ||
| 'label' => sprintf($GLOBALS['TL_LANG']['tl_url_rewrite']['qrCodeRef']['requirement'], $requirement['key'], $requirement['value']), | ||
| 'eval' => ['mandatory' => true, 'urlRewriteRequirement' => $requirement], | ||
| ], $fieldName, Input::post($fieldName))); | ||
|
|
||
| // Set route parameter to null value to indicate it's mandatory | ||
| $routeParameters[$requirement['key']] = null; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Add form to template | ||
| if (\count($formFields) > 0) { | ||
| $formSubmit = 'contao-url-rewrite-qr-code'; | ||
|
|
||
| $template->formFields = $formFields; | ||
| $template->formSubmit = $formSubmit; | ||
|
|
||
| // Process the form | ||
| if ($request->request->get('FORM_SUBMIT') === $formSubmit) { | ||
| $routeParameters = $this->processForm($formFields, $routeParameters); | ||
| } | ||
| } | ||
|
|
||
| return $formFields; | ||
| } | ||
|
|
||
| /** | ||
| * Process the form. | ||
| */ | ||
| private function processForm(array $formFields, array $routeParameters): array | ||
| { | ||
| /** @var Widget $formField */ | ||
| foreach ($formFields as $formField) { | ||
| $formField->validate(); | ||
|
|
||
| // Validate the requirement regexp, if any | ||
| if ($formField->urlRewriteRequirement && !preg_match('/^'.$formField->urlRewriteRequirement['value'].'$/', $formField->value)) { | ||
| $formField->addError(sprintf($GLOBALS['TL_LANG']['tl_url_rewrite']['qrCodeRef']['requirementError'], $formField->urlRewriteRequirement['value'])); | ||
| } | ||
|
|
||
| // Return an empty array if at least one field has an error | ||
| if ($formField->hasErrors()) { | ||
| return []; | ||
| } | ||
|
|
||
| $routeParameters[$formField->urlRewriteRequirement ? $formField->urlRewriteRequirement['key'] : $formField->name] = $formField->value; | ||
| } | ||
|
|
||
| return $routeParameters; | ||
| } | ||
| } |
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