EditFileController.php

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<?php
 
declare(strict_types=1);
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Filelist\Controller\File;
 
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use ‪TYPO3\CMS\Backend\Form\FormResultCompiler;
use ‪TYPO3\CMS\Backend\Form\NodeFactory;
use ‪TYPO3\CMS\Backend\Routing\UriBuilder;
use ‪TYPO3\CMS\Backend\Template\Components\ButtonBar;
use ‪TYPO3\CMS\Backend\Template\ModuleTemplate;
use ‪TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use ‪TYPO3\CMS\Core\Http\HtmlResponse;
use ‪TYPO3\CMS\Core\Http\RedirectResponse;
use ‪TYPO3\CMS\Core\Imaging\Icon;
use ‪TYPO3\CMS\Core\Localization\LanguageService;
use ‪TYPO3\CMS\Core\Messaging\FlashMessage;
use ‪TYPO3\CMS\Core\Messaging\FlashMessageService;
use ‪TYPO3\CMS\Core\Resource\Exception\InsufficientFileAccessPermissionsException;
use ‪TYPO3\CMS\Core\Resource\File;
use ‪TYPO3\CMS\Core\Resource\ResourceFactory;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Fluid\View\StandaloneView;
 
class ‪EditFileController
{
    protected ‪$content;
 
    protected ‪$origTarget;
 
    protected ‪$target;
 
    protected ‪$returnUrl;
 
    protected ‪$fileObject;
 
    protected ‪$moduleTemplate;
 
    protected ‪$uriBuilder;
 
    public function ‪__construct()
    {
        $this->moduleTemplate = GeneralUtility::makeInstance(ModuleTemplate::class);
        $this->uriBuilder = GeneralUtility::makeInstance(UriBuilder::class);
    }
 
    public function ‪mainAction(ServerRequestInterface $request): ResponseInterface
    {
        $this->‪init($request);
        if ($response = $this->‪process()) {
            return $response;
        }
 
        return new ‪HtmlResponse($this->moduleTemplate->renderContent());
    }
 
    protected function ‪init(ServerRequestInterface $request): void
    {
        $parsedBody = $request->getParsedBody();
        $queryParams = $request->getQueryParams();
 
        // Setting target, which must be a file reference to a file within the mounts.
        $this->target = $this->origTarget = $parsedBody['target'] ?? $queryParams['target'] ?? '';
        // create the file object
        if ($this->target) {
            $this->fileObject = GeneralUtility::makeInstance(ResourceFactory::class)
                ->retrieveFileOrFolderObject($this->target);
        }
        // Cleaning and checking target directory
        if (!$this->fileObject) {
            $title = $this->‪getLanguageService()->‪sL('LLL:EXT:filelist/Resources/Private/Language/locallang_mod_file_list.xlf:paramError');
            $message = $this->‪getLanguageService()->‪sL('LLL:EXT:filelist/Resources/Private/Language/locallang_mod_file_list.xlf:targetNoDir');
            throw new \RuntimeException($title . ': ' . $message, 1294586841);
        }
        if ($this->fileObject->getStorage()->getUid() === 0) {
            throw new InsufficientFileAccessPermissionsException(
                'You are not allowed to access files outside your storages',
                1375889832
            );
        }
        $this->returnUrl = GeneralUtility::sanitizeLocalUrl(
            $parsedBody['returnUrl']
                ?? $queryParams['returnUrl']
                ?? (string)$this->uriBuilder->buildUriFromRoute('file_FilelistList', [
                    'id' => $this->fileObject->getParentFolder()->getCombinedIdentifier()
                ])
        );
    }
 
    protected function ‪process(): ?ResponseInterface
    {
        $dataColumnDefinition = [
            'label' => htmlspecialchars($this->‪getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_common.xlf:file'))
                . ' ' . htmlspecialchars($this->target),
            'config' => [
                'type' => 'text',
                'cols' => 48,
                'wrap' => 'OFF',
            ],
            'defaultExtras' => 'fixed-font: enable-tab'
        ];
 
        $this->‪getButtonsInternal();
        // Hook: before compiling the output
        foreach (‪$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/file_edit.php']['preOutputProcessingHook'] ?? [] as $hookFunction) {
            $hookParameters = [
                'content' => &‪$this->content,
                'target' => &‪$this->target,
                'dataColumnDefinition' => &$dataColumnDefinition,
            ];
            GeneralUtility::callUserFunction($hookFunction, $hookParameters, $this);
        }
 
        $assigns = [];
        $assigns['moduleUrlTceFile'] = (string)$this->uriBuilder->buildUriFromRoute('tce_file');
        $assigns['fileName'] = $this->fileObject->getName();
 
        try {
            $extList = ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['textfile_ext'];
            if (!$this->fileObject->isTextFile()) {
                // @todo throw a minor exception here, not the global one
                throw new \Exception('Files with that extension are not editable. Allowed extensions are: ' . $extList, 1476050135);
            }
 
            // Making the formfields
            $formData = [
                'databaseRow' => [
                    'uid' => 0,
                    'data' => $this->fileObject->getContents(),
                    'target' => $this->fileObject->getUid(),
                    'redirect' => ‪$this->returnUrl,
                ],
                'tableName' => 'editfile',
                'processedTca' => [
                    'columns' => [
                        'data' => $dataColumnDefinition,
                        'target' => [
                            'config' => [
                                'type' => 'input',
                                'renderType' => 'hidden',
                            ],
                        ],
                        'redirect' => [
                            'config' => [
                                'type' => 'input',
                                'renderType' => 'hidden',
                            ],
                        ],
                    ],
                    'types' => [
                        1 => [
                            'showitem' => 'data,target,redirect',
                        ],
                    ],
                ],
                'recordTypeValue' => 1,
                'inlineStructure' => [],
                'renderType' => 'fullRecordContainer',
            ];
 
            $resultArray = GeneralUtility::makeInstance(NodeFactory::class)->create($formData)->render();
            $formResultCompiler = GeneralUtility::makeInstance(FormResultCompiler::class);
            $formResultCompiler->mergeResult($resultArray);
 
            $form = $formResultCompiler->addCssFiles()
                . $resultArray['html']
                . $formResultCompiler->printNeededJSFunctions();
 
            $assigns['form'] = $form;
        } catch (\Exception $e) {
            // @todo catch dedicated exceptions, not the global one, if possible
            $flashMessage = GeneralUtility::makeInstance(FlashMessage::class, $e->getMessage(), '', ‪FlashMessage::ERROR, true);
 
            $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);
            $defaultFlashMessageQueue = $flashMessageService->getMessageQueueByIdentifier();
            $defaultFlashMessageQueue->enqueue($flashMessage);
 
            return new RedirectResponse($this->returnUrl, 500);
        }
 
        // Rendering of the output via fluid
        $view = GeneralUtility::makeInstance(StandaloneView::class);
        $view->setTemplateRootPaths([GeneralUtility::getFileAbsFileName('EXT:backend/Resources/Private/Templates')]);
        $view->setPartialRootPaths([GeneralUtility::getFileAbsFileName('EXT:backend/Resources/Private/Partials')]);
        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName(
            'EXT:filelist/Resources/Private/Templates/File/EditFile.html'
        ));
        $view->assignMultiple($assigns);
        $pageContent = $view->render();
 
        // Hook: after compiling the output
        foreach (‪$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/file_edit.php']['postOutputProcessingHook'] ?? [] as $hookFunction) {
            $hookParameters = [
                'pageContent' => &$pageContent,
                'target' => &‪$this->target
            ];
            GeneralUtility::callUserFunction($hookFunction, $hookParameters, $this);
        }
 
        $this->content .= $pageContent;
        $this->moduleTemplate->setContent($this->content);
        return null;
    }
 
    protected function ‪getButtonsInternal(): void
    {
        $buttonBar = $this->moduleTemplate->getDocHeaderComponent()->getButtonBar();
 
        $lang = $this->‪getLanguageService();
        // CSH button
        $helpButton = $buttonBar->makeHelpButton()
            ->setFieldName('file_edit')
            ->setModuleName('xMOD_csh_corebe');
        $buttonBar->addButton($helpButton);
 
        // Save button
        $saveButton = $buttonBar->makeInputButton()
            ->setName('_save')
            ->setValue('1')
            ->setForm('EditFileController')
            ->setTitle($lang->sL('LLL:EXT:filelist/Resources/Private/Language/locallang.xlf:file_edit.php.submit'))
            ->setIcon($this->moduleTemplate->getIconFactory()->getIcon('actions-document-save', ‪Icon::SIZE_SMALL));
 
        // Save and Close button
        $saveAndCloseButton = $buttonBar->makeInputButton()
            ->setName('_saveandclosedok')
            ->setValue('1')
            ->setForm('EditFileController')
            ->setTitle($lang->sL('LLL:EXT:filelist/Resources/Private/Language/locallang.xlf:file_edit.php.saveAndClose'))
            ->setIcon($this->moduleTemplate->getIconFactory()->getIcon(
                'actions-document-save-close',
                ‪Icon::SIZE_SMALL
            ));
 
        $splitButton = $buttonBar->makeSplitButton()
            ->addItem($saveButton)
            ->addItem($saveAndCloseButton);
        $buttonBar->addButton($splitButton, ‪ButtonBar::BUTTON_POSITION_LEFT, 20);
 
        // Cancel button
        $closeButton = $buttonBar->makeLinkButton()
            ->setShowLabelText(true)
            ->setHref($this->returnUrl)
            ->setTitle($lang->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.cancel'))
            ->setIcon($this->moduleTemplate->getIconFactory()->getIcon('actions-close', ‪Icon::SIZE_SMALL));
        $buttonBar->addButton($closeButton, ‪ButtonBar::BUTTON_POSITION_LEFT, 10);
 
        // Make shortcut:
        $shortButton = $buttonBar->makeShortcutButton()
            ->setModuleName('file_edit')
            ->setGetVariables(['target']);
        $buttonBar->addButton($shortButton);
    }
 
    protected function ‪getLanguageService(): ‪LanguageService
    {
        return ‪$GLOBALS['LANG'];
    }
 
    protected function ‪getBackendUser(): ‪BackendUserAuthentication
    {
        return ‪$GLOBALS['BE_USER'];
    }
}