AbstractController.php

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<?php
namespace TYPO3\CMS\Extbase\Mvc\Controller;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface;
use TYPO3\CMS\Extbase\Mvc\Exception\StopActionException;
use TYPO3\CMS\Extbase\Mvc\Exception\UnsupportedRequestTypeException;
use TYPO3\CMS\Extbase\Mvc\Web\Request as WebRequest;

abstract class AbstractController implements ControllerInterface
{
    protected $signalSlotDispatcher;

    protected $objectManager;

    protected $uriBuilder;

    protected $extensionName;

    protected $settings;

    protected $request;

    protected $response;

    protected $validatorResolver;

    protected $arguments;

    public function injectSignalSlotDispatcher(\TYPO3\CMS\Extbase\SignalSlot\Dispatcher $signalSlotDispatcher)
    {
        $this->signalSlotDispatcher = $signalSlotDispatcher;
    }

    public function injectValidatorResolver(\TYPO3\CMS\Extbase\Validation\ValidatorResolver $validatorResolver)
    {
        $this->validatorResolver = $validatorResolver;
    }

    protected $supportedRequestTypes = [\TYPO3\CMS\Extbase\Mvc\Request::class];

    protected $controllerContext;

    public function getControllerContext()
    {
        return $this->controllerContext;
    }

    protected $configurationManager;

    public function __construct()
    {
        $className = get_class($this);
        if (strpos($className, '\\') !== false) {
            $classNameParts = explode('\\', $className, 4);
            // Skip vendor and product name for core classes
            if (strpos($className, 'TYPO3\\CMS\\') === 0) {
                $this->extensionName = $classNameParts[2];
            } else {
                $this->extensionName = $classNameParts[1];
            }
        } else {
            list(, $this->extensionName) = explode('_', $className);
        }
    }

    public function injectConfigurationManager(ConfigurationManagerInterface $configurationManager)
    {
        $this->configurationManager = $configurationManager;
        $this->settings = $this->configurationManager->getConfiguration(ConfigurationManagerInterface::CONFIGURATION_TYPE_SETTINGS);
    }

    public function injectObjectManager(\TYPO3\CMS\Extbase\Object\ObjectManagerInterface $objectManager)
    {
        $this->objectManager = $objectManager;
        $this->arguments = $this->objectManager->get(\TYPO3\CMS\Extbase\Mvc\Controller\Arguments::class);
    }

    public function addFlashMessage($messageBody, $messageTitle = '', $severity = \TYPO3\CMS\Core\Messaging\AbstractMessage::OK, $storeInSession = true)
    {
        if (!is_string($messageBody)) {
            throw new \InvalidArgumentException('The message body must be of type string, "' . gettype($messageBody) . '" given.', 1243258395);
        }
        /* @var \TYPO3\CMS\Core\Messaging\FlashMessage $flashMessage */
        $flashMessage = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
            \TYPO3\CMS\Core\Messaging\FlashMessage::class, $messageBody, $messageTitle, $severity, $storeInSession
        );
        $this->controllerContext->getFlashMessageQueue()->enqueue($flashMessage);
    }

    public function canProcessRequest(\TYPO3\CMS\Extbase\Mvc\RequestInterface $request)
    {
        foreach ($this->supportedRequestTypes as $supportedRequestType) {
            if ($request instanceof $supportedRequestType) {
                return true;
            }
        }
        return false;
    }

    public function processRequest(\TYPO3\CMS\Extbase\Mvc\RequestInterface $request, \TYPO3\CMS\Extbase\Mvc\ResponseInterface $response)
    {
        if (!$this->canProcessRequest($request)) {
            throw new UnsupportedRequestTypeException(get_class($this) . ' does not support requests of type "' . get_class($request) . '". Supported types are: ' . implode(' ', $this->supportedRequestTypes), 1187701132);
        }
        if ($response instanceof \TYPO3\CMS\Extbase\Mvc\Web\Response && $request instanceof WebRequest) {
            $response->setRequest($request);
        }
        $this->request = $request;
        $this->request->setDispatched(true);
        $this->response = $response;
        $this->uriBuilder = $this->objectManager->get(\TYPO3\CMS\Extbase\Mvc\Web\Routing\UriBuilder::class);
        $this->uriBuilder->setRequest($request);
        $this->initializeControllerArgumentsBaseValidators();
        $this->mapRequestArgumentsToControllerArguments();
        $this->controllerContext = $this->buildControllerContext();
    }

    protected function buildControllerContext()
    {
        $controllerContext = $this->objectManager->get(\TYPO3\CMS\Extbase\Mvc\Controller\ControllerContext::class);
        $controllerContext->setRequest($this->request);
        $controllerContext->setResponse($this->response);
        if ($this->arguments !== null) {
            $controllerContext->setArguments($this->arguments);
        }
        $controllerContext->setUriBuilder($this->uriBuilder);

        return $controllerContext;
    }

    public function forward($actionName, $controllerName = null, $extensionName = null, array $arguments = null)
    {
        $this->request->setDispatched(false);
        if ($this->request instanceof WebRequest) {
            $this->request->setControllerActionName($actionName);
            if ($controllerName !== null) {
                $this->request->setControllerName($controllerName);
            }
            if ($extensionName !== null) {
                $this->request->setControllerExtensionName($extensionName);
            }
        }
        if ($arguments !== null) {
            $this->request->setArguments($arguments);
        }
        throw new StopActionException();
    }

    protected function redirect($actionName, $controllerName = null, $extensionName = null, array $arguments = null, $pageUid = null, $delay = 0, $statusCode = 303)
    {
        if (!$this->request instanceof WebRequest) {
            throw new UnsupportedRequestTypeException('redirect() only supports web requests.', 1220539734);
        }
        if ($controllerName === null) {
            $controllerName = $this->request->getControllerName();
        }
        $this->uriBuilder->reset()->setTargetPageUid($pageUid)->setCreateAbsoluteUri(true);
        if (\TYPO3\CMS\Core\Utility\GeneralUtility::getIndpEnv('TYPO3_SSL')) {
            $this->uriBuilder->setAbsoluteUriScheme('https');
        }
        $uri = $this->uriBuilder->uriFor($actionName, $arguments, $controllerName, $extensionName);
        $this->redirectToUri($uri, $delay, $statusCode);
    }

    protected function redirectToUri($uri, $delay = 0, $statusCode = 303)
    {
        if (!$this->request instanceof WebRequest) {
            throw new UnsupportedRequestTypeException('redirect() only supports web requests.', 1220539735);
        }

        $this->objectManager->get(\TYPO3\CMS\Extbase\Service\CacheService::class)->clearCachesOfRegisteredPageIds();

        $uri = $this->addBaseUriIfNecessary($uri);
        $escapedUri = htmlentities($uri, ENT_QUOTES, 'utf-8');
        $this->response->setContent('<html><head><meta http-equiv="refresh" content="' . (int)$delay . ';url=' . $escapedUri . '"/></head></html>');
        if ($this->response instanceof \TYPO3\CMS\Extbase\Mvc\Web\Response) {
            $this->response->setStatus($statusCode);
            $this->response->setHeader('Location', (string)$uri);
        }
        throw new StopActionException();
    }

    protected function addBaseUriIfNecessary($uri)
    {
        return \TYPO3\CMS\Core\Utility\GeneralUtility::locationHeaderUrl((string)$uri);
    }

    public function throwStatus($statusCode, $statusMessage = null, $content = null)
    {
        if (!$this->request instanceof WebRequest) {
            throw new UnsupportedRequestTypeException('throwStatus() only supports web requests.', 1220539739);
        }
        if ($this->response instanceof \TYPO3\CMS\Extbase\Mvc\Web\Response) {
            $this->response->setStatus($statusCode, $statusMessage);
            if ($content === null) {
                $content = $this->response->getStatus();
            }
        }
        $this->response->setContent($content);
        throw new StopActionException();
    }

    public function initializeControllerArgumentsBaseValidators()
    {
        foreach ($this->arguments as $argument) {
            $validator = $this->validatorResolver->getBaseValidatorConjunction($argument->getDataType());
            if ($validator !== null) {
                $argument->setValidator($validator);
            }
        }
    }

    protected function mapRequestArgumentsToControllerArguments()
    {
        foreach ($this->arguments as $argument) {
            $argumentName = $argument->getName();
            if ($this->request->hasArgument($argumentName)) {
                $argument->setValue($this->request->getArgument($argumentName));
            } elseif ($argument->isRequired()) {
                throw new \TYPO3\CMS\Extbase\Mvc\Controller\Exception\RequiredArgumentMissingException('Required argument "' . $argumentName . '" is not set for ' . $this->request->getControllerObjectName() . '->' . $this->request->getControllerActionName() . '.', 1298012500);
            }
        }
    }
}