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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2022 Julius Härtl <[email protected]> |
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* |
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* @author Julius Härtl <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace OC\Collaboration\Reference\File; |
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use OC\User\NoUserException; |
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use OCP\Collaboration\Reference\IReference; |
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use OCP\Collaboration\Reference\IReferenceProvider; |
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use OCP\Collaboration\Reference\Reference; |
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use OCP\Files\IMimeTypeDetector; |
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use OCP\Files\InvalidPathException; |
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use OCP\Files\IRootFolder; |
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use OCP\Files\Node; |
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use OCP\Files\NotFoundException; |
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use OCP\Files\NotPermittedException; |
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use OCP\IPreview; |
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use OCP\IURLGenerator; |
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use OCP\IUserSession; |
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class FileReferenceProvider implements IReferenceProvider { |
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private IURLGenerator $urlGenerator; |
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private IRootFolder $rootFolder; |
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private ?string $userId; |
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private IPreview $previewManager; |
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private IMimeTypeDetector $mimeTypeDetector; |
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public function __construct(IURLGenerator $urlGenerator, |
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IRootFolder $rootFolder, |
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IUserSession $userSession, |
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IMimeTypeDetector $mimeTypeDetector, |
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IPreview $previewManager) { |
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$this->urlGenerator = $urlGenerator; |
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$this->rootFolder = $rootFolder; |
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$this->userId = $userSession->getUser() ? $userSession->getUser()->getUID() : null; |
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$this->previewManager = $previewManager; |
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$this->mimeTypeDetector = $mimeTypeDetector; |
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} |
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public function matchReference(string $referenceText): bool { |
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return $this->getFilesAppLinkId($referenceText) !== null; |
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} |
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private function getFilesAppLinkId(string $referenceText): ?int { |
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$start = $this->urlGenerator->getAbsoluteURL('/apps/files'); |
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$startIndex = $this->urlGenerator->getAbsoluteURL('/index.php/apps/files'); |
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$fileId = null; |
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if (mb_strpos($referenceText, $start) === 0) { |
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$parts = parse_url($referenceText); |
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parse_str($parts['query'], $query); |
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$fileId = isset($query['fileid']) ? (int)$query['fileid'] : $fileId; |
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$fileId = isset($query['openfile']) ? (int)$query['openfile'] : $fileId; |
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} |
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if (mb_strpos($referenceText, $startIndex) === 0) { |
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$parts = parse_url($referenceText); |
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parse_str($parts['query'], $query); |
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$fileId = isset($query['fileid']) ? (int)$query['fileid'] : $fileId; |
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$fileId = isset($query['openfile']) ? (int)$query['openfile'] : $fileId; |
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} |
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if (mb_strpos($referenceText, $this->urlGenerator->getAbsoluteURL('/index.php/f/')) === 0) { |
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$fileId = str_replace($this->urlGenerator->getAbsoluteURL('/index.php/f/'), '', $referenceText); |
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} |
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if (mb_strpos($referenceText, $this->urlGenerator->getAbsoluteURL('/f/')) === 0) { |
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$fileId = str_replace($this->urlGenerator->getAbsoluteURL('/f/'), '', $referenceText); |
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} |
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return $fileId !== null ? (int)$fileId : null; |
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} |
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public function resolveReference(string $referenceText): ?IReference { |
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if ($this->matchReference($referenceText)) { |
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$reference = new Reference($referenceText); |
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try { |
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$this->fetchReference($reference); |
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} catch (NotFoundException $e) { |
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$reference->setRichObject('file', null); |
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$reference->setAccessible(false); |
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} |
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return $reference; |
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} |
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return null; |
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} |
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/** |
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* @throws NotFoundException |
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*/ |
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private function fetchReference(Reference $reference): void { |
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if ($this->userId === null) { |
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throw new NotFoundException(); |
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} |
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$fileId = $this->getFilesAppLinkId($reference->getId()); |
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if ($fileId === null) { |
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throw new NotFoundException(); |
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} |
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try { |
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$userFolder = $this->rootFolder->getUserFolder($this->userId); |
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$files = $userFolder->getById($fileId); |
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if (empty($files)) { |
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throw new NotFoundException(); |
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} |
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/** @var Node $file */ |
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$file = array_shift($files); |
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$reference->setTitle($file->getName()); |
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$reference->setDescription($file->getMimetype()); |
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$reference->setUrl($this->urlGenerator->getAbsoluteURL('/index.php/f/' . $fileId)); |
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if ($this->previewManager->isMimeSupported($file->getMimeType())) { |
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$reference->setImageUrl($this->urlGenerator->linkToRouteAbsolute('core.Preview.getPreviewByFileId', ['x' => 1600, 'y' => 630, 'fileId' => $fileId])); |
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} else { |
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$fileTypeIconUrl = $this->mimeTypeDetector->mimeTypeIcon($file->getMimeType()); |
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$reference->setImageUrl($fileTypeIconUrl); |
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} |
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$reference->setRichObject('file', [ |
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'id' => $file->getId(), |
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'name' => $file->getName(), |
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'size' => $file->getSize(), |
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'path' => $file->getPath(), |
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'link' => $reference->getUrl(), |
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'mimetype' => $file->getMimetype(), |
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'preview-available' => $this->previewManager->isAvailable($file) |
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]); |
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} catch (InvalidPathException|NotFoundException|NotPermittedException|NoUserException $e) { |
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throw new NotFoundException(); |
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} |
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} |
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public function getCachePrefix(string $referenceId): string { |
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return (string)$this->getFilesAppLinkId($referenceId); |
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} |
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public function getCacheKey(string $referenceId): ?string { |
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return $this->userId ?? ''; |
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} |
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} |
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nextcloud /
server
