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67 lines
1.9 KiB
PHP
67 lines
1.9 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\Core\Controller;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\Attribute\FrontpageRoute;
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use OCP\AppFramework\Http\DataDownloadResponse;
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use OCP\AppFramework\Http\DataResponse;
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use OCP\Collaboration\Reference\IReferenceManager;
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use OCP\Files\AppData\IAppDataFactory;
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use OCP\Files\NotFoundException;
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use OCP\Files\NotPermittedException;
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use OCP\IRequest;
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class ReferenceController extends Controller {
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public function __construct(
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string $appName,
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IRequest $request,
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private IReferenceManager $referenceManager,
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private IAppDataFactory $appDataFactory,
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) {
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parent::__construct($appName, $request);
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}
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/**
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* @PublicPage
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* @NoCSRFRequired
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*
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* Get a preview for a reference
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*
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* @param string $referenceId the reference cache key
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* @return DataDownloadResponse<Http::STATUS_OK, string, array{}>|DataResponse<Http::STATUS_NOT_FOUND, '', array{}>
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*
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* 200: Preview returned
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* 404: Reference not found
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*/
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#[FrontpageRoute(verb: 'GET', url: '/core/references/preview/{referenceId}')]
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public function preview(string $referenceId): DataDownloadResponse|DataResponse {
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$reference = $this->referenceManager->getReferenceByCacheKey($referenceId);
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try {
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$appData = $this->appDataFactory->get('core');
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$folder = $appData->getFolder('opengraph');
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$file = $folder->getFile($referenceId);
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$contentType = $reference === null || $reference->getImageContentType() === null
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? $file->getMimeType()
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: $reference->getImageContentType();
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$response = new DataDownloadResponse(
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$file->getContent(),
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$referenceId,
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$contentType
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);
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} catch (NotFoundException|NotPermittedException $e) {
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$response = new DataResponse('', Http::STATUS_NOT_FOUND);
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}
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$response->cacheFor(3600, false, true);
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return $response;
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}
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}
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