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<?php |
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/** |
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* File containing the ViewController class. |
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* |
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* @copyright Copyright (C) eZ Systems AS. All rights reserved. |
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* @license For full copyright and license information view LICENSE file distributed with this source code. |
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*/ |
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namespace eZ\Publish\Core\MVC\Symfony\Controller\Content; |
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use eZ\Publish\API\Repository\Values\Content\Content; |
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use eZ\Publish\API\Repository\Values\Content\Location; |
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use eZ\Publish\Core\MVC\Symfony\Controller\Controller; |
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use eZ\Publish\Core\MVC\Symfony\MVCEvents; |
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use eZ\Publish\Core\MVC\Symfony\Event\APIContentExceptionEvent; |
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use eZ\Publish\Core\MVC\Symfony\Security\Authorization\Attribute as AuthorizationAttribute; |
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use eZ\Publish\Core\MVC\Symfony\View\ContentView; |
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use eZ\Publish\Core\MVC\Symfony\View\ViewManagerInterface; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface; |
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use Symfony\Component\Security\Core\Exception\AccessDeniedException; |
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use DateTime; |
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use Exception; |
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/** |
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* This controller provides the content view feature. |
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* |
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* @since 6.0.0 All methods except `view()` are deprecated and will be removed in the future. |
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*/ |
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class ViewController extends Controller |
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{ |
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/** @var \eZ\Publish\Core\MVC\Symfony\View\ViewManagerInterface */ |
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protected $viewManager; |
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/** @var \Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface */ |
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private $authorizationChecker; |
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public function __construct(ViewManagerInterface $viewManager, AuthorizationCheckerInterface $authorizationChecker) |
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{ |
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$this->viewManager = $viewManager; |
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$this->authorizationChecker = $authorizationChecker; |
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} |
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/** |
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* This is the default view action or a ContentView object. |
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* |
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* It doesn't do anything by itself: the returned View object is rendered by the ViewRendererListener |
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* into an HttpFoundation Response. |
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* |
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* This action can be selectively replaced by a custom action by means of content_view |
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* configuration. Custom actions can add parameters to the view and customize the Response the View will be |
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* converted to. They may also bypass the ViewRenderer by returning an HttpFoundation Response. |
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* |
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* Cache is in both cases handled by the CacheViewResponseListener. |
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* |
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* @param \eZ\Publish\Core\MVC\Symfony\View\ContentView $view |
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* |
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* @return \eZ\Publish\Core\MVC\Symfony\View\ContentView |
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*/ |
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public function viewAction(ContentView $view) |
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{ |
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return $view; |
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} |
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/** |
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* Embed a content. |
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* Behaves mostly like viewAction(), but with specific content load permission handling. |
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* |
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* @param \eZ\Publish\Core\MVC\Symfony\View\ContentView $view |
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* |
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* @return \eZ\Publish\Core\MVC\Symfony\View\ContentView |
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*/ |
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public function embedAction(ContentView $view) |
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{ |
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return $view; |
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} |
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/** |
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* Build the response so that depending on settings it's cacheable. |
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* |
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* @param string|null $etag |
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* @param \DateTime|null $lastModified |
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* |
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* @return \Symfony\Component\HttpFoundation\Response |
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*/ |
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protected function buildResponse($etag = null, DateTime $lastModified = null) |
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{ |
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$request = $this->getRequest(); |
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$response = new Response(); |
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if ($this->getParameter('content.view_cache') === true) { |
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$response->setPublic(); |
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if ($etag !== null) { |
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$response->setEtag($etag); |
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} |
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if ($this->getParameter('content.ttl_cache') === true) { |
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$response->setSharedMaxAge( |
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$this->getParameter('content.default_ttl') |
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); |
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} |
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// Make the response vary against X-User-Context-Hash header ensures that an HTTP |
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// reverse proxy caches the different possible variations of the |
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// response as it can depend on user role for instance. |
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if ($request->headers->has('X-User-Context-Hash')) { |
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$response->setVary('X-User-Context-Hash'); |
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} |
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if ($lastModified != null) { |
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$response->setLastModified($lastModified); |
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} |
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} |
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return $response; |
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} |
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protected function handleViewException(Response $response, $params, Exception $e, $viewType, $contentId = null, $locationId = null) |
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{ |
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$event = new APIContentExceptionEvent( |
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$e, |
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[ |
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'contentId' => $contentId, |
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'locationId' => $locationId, |
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'viewType' => $viewType, |
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] |
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); |
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$this->getEventDispatcher()->dispatch(MVCEvents::API_CONTENT_EXCEPTION, $event); |
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if ($event->hasContentView()) { |
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$response->setContent( |
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$this->viewManager->renderContentView( |
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$event->getContentView(), |
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$params |
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) |
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); |
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return $response; |
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} |
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throw $e; |
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} |
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/** |
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* Creates the content to be returned when viewing a Location. |
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* |
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* @param Location $location |
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* @param string $viewType |
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* @param bool $layout |
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* @param array $params |
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* |
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* @return string |
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*/ |
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protected function renderLocation(Location $location, $viewType, $layout = false, array $params = []) |
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{ |
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return $this->viewManager->renderLocation($location, $viewType, $params + ['no_layout' => !$layout]); |
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} |
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/** |
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* Creates the content to be returned when viewing a Content. |
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* |
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* @param Content $content |
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* @param string $viewType |
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* @param bool $layout |
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* @param array $params |
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* |
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* @return string |
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*/ |
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protected function renderContent(Content $content, $viewType, $layout = false, array $params = []) |
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{ |
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return $this->viewManager->renderContent($content, $viewType, $params + ['no_layout' => !$layout]); |
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} |
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/** |
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* Performs the access checks. |
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*/ |
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protected function performAccessChecks() |
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{ |
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if (!$this->isGranted(new AuthorizationAttribute('content', 'read'))) { |
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throw new AccessDeniedException(); |
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} |
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} |
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} |
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ezsystems /
ezpublish-kernel
