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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\Backend\Controller;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use TYPO3\CMS\Backend\Attribute\Controller;
use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use TYPO3\CMS\Core\Http\JsonResponse;
use TYPO3\CMS\Core\Http\RedirectResponse;
use TYPO3\CMS\Core\Localization\LanguageService;
use TYPO3\CMS\Core\Messaging\FlashMessage;
use TYPO3\CMS\Core\Messaging\FlashMessageService;
use TYPO3\CMS\Core\Resource\DefaultUploadFolderResolver;
use TYPO3\CMS\Core\Resource\Exception\OnlineMediaAlreadyExistsException;
use TYPO3\CMS\Core\Resource\File;
use TYPO3\CMS\Core\Resource\OnlineMedia\Helpers\OnlineMediaHelperRegistry;
use TYPO3\CMS\Core\Resource\ResourceFactory;
use TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Class OnlineMediaController handles uploading online media
* @internal This class is a specific Backend controller implementation and is not considered part of the Public TYPO3 API.
*/
#[Controller]
class OnlineMediaController
{
public function __construct(
protected readonly ResourceFactory $resourceFactory,
protected readonly DefaultUploadFolderResolver $uploadFolderResolver,
protected readonly OnlineMediaHelperRegistry $onlineMediaHelperRegistry,
protected readonly FlashMessageService $flashMessageService
) {}
/**
* AJAX endpoint for storing the URL as a sys_file record
*/
public function createAction(ServerRequestInterface $request): ResponseInterface
{
$url = $request->getParsedBody()['url'];
$targetFolderIdentifier = $request->getParsedBody()['targetFolder'];
$allowedExtensions = GeneralUtility::trimExplode(',', $request->getParsedBody()['allowed'] ?: '');
if (!empty($url)) {
$data = [];
try {
$file = $this->addMediaFromUrl($url, $targetFolderIdentifier, $allowedExtensions);
} catch (OnlineMediaAlreadyExistsException $e) {
// Ignore this exception since the endpoint is called e.g. in inline context, where the
// folder is not relevant and the same asset can be attached to a record multiple times.
$file = $e->getOnlineMedia();
}
if ($file !== null) {
$data['file'] = $file->getUid();
} else {
$data['error'] = $this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:online_media.error.invalid_url');
}
return new JsonResponse($data);
}
return new JsonResponse();
}
/**
* Process add media request, and redirects to the previous page
*
* @throws \RuntimeException
*/
public function mainAction(ServerRequestInterface $request): ResponseInterface
{
$files = $request->getParsedBody()['data'];
$redirect = $request->getParsedBody()['redirect'];
$newMedia = [];
if (isset($files['newMedia'])) {
$newMedia = (array)$files['newMedia'];
}
foreach ($newMedia as $media) {
if (!empty($media['url']) && !empty($media['target'])) {
$allowed = !empty($media['allowed']) ? GeneralUtility::trimExplode(',', $media['allowed']) : [];
try {
$file = $this->addMediaFromUrl($media['url'], $media['target'], $allowed);
if ($file !== null) {
$flashMessage = GeneralUtility::makeInstance(
FlashMessage::class,
$file->getName(),
$this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:online_media.new_media.added'),
ContextualFeedbackSeverity::OK,
true
);
} else {
$flashMessage = GeneralUtility::makeInstance(
FlashMessage::class,
$this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:online_media.error.invalid_url'),
$this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:online_media.error.new_media.failed'),
ContextualFeedbackSeverity::ERROR,
true
);
}
} catch (OnlineMediaAlreadyExistsException $e) {
$flashMessage = GeneralUtility::makeInstance(
FlashMessage::class,
sprintf(
$this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:online_media.error.already_exists'),
$e->getOnlineMedia()->getName()
),
$this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:online_media.error.new_media.failed'),
ContextualFeedbackSeverity::WARNING,
true
);
}
$this->addFlashMessage($flashMessage);
if (empty($redirect) && $media['redirect']) {
$redirect = $media['redirect'];
}
}
}
$redirect = GeneralUtility::sanitizeLocalUrl($redirect);
if ($redirect) {
return new RedirectResponse($redirect, 303);
}
throw new \RuntimeException('No redirect after uploading a media found, probably a mis-use of the template not sending the proper Return URL.', 1511945040);
}
/**
* @param string $url
* @param string $targetFolderIdentifier
* @param string[] $allowedExtensions
* @return File|null
*/
protected function addMediaFromUrl($url, $targetFolderIdentifier, array $allowedExtensions = [])
{
$targetFolder = null;
if ($targetFolderIdentifier) {
try {
$targetFolder = $this->resourceFactory->getFolderObjectFromCombinedIdentifier($targetFolderIdentifier);
} catch (\Exception $e) {
$targetFolder = null;
}
}
if ($targetFolder === null) {
$targetFolder = $this->uploadFolderResolver->resolve($this->getBackendUser());
}
return $this->onlineMediaHelperRegistry->transformUrlToFile($url, $targetFolder, $allowedExtensions);
}
/**
* Add flash message to message queue
*/
protected function addFlashMessage(FlashMessage $flashMessage): void
{
$defaultFlashMessageQueue = $this->flashMessageService->getMessageQueueByIdentifier();
$defaultFlashMessageQueue->enqueue($flashMessage);
}
protected function getBackendUser(): BackendUserAuthentication
{
return $GLOBALS['BE_USER'];
}
protected function getLanguageService(): LanguageService
{
return $GLOBALS['LANG'];
}
}