283 lines
8.6 KiB
PHP
283 lines
8.6 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2022 Varun Patil <radialapps@gmail.com>
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* @author Varun Patil <radialapps@gmail.com>
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* @license AGPL-3.0-or-later
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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 OCA\Memories\Controller;
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use OCA\Memories\AppInfo\Application;
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use OCA\Memories\Exif;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\FileDisplayResponse;
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use OCP\AppFramework\Http\JSONResponse;
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use OCP\Files\IRootFolder;
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class ImageController extends ApiBase
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{
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/**
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* @NoAdminRequired
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*
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* @NoCSRFRequired
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*
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* @PublicPage
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*
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* Get preview of image
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*/
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public function preview(
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int $id,
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int $x = 32,
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int $y = 32,
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bool $a = false,
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string $mode = 'fill'
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) {
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if (-1 === $id || 0 === $x || 0 === $y) {
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return new JSONResponse([
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'message' => 'Invalid parameters',
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], Http::STATUS_BAD_REQUEST);
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}
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$file = $this->getUserFile($id);
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if (!$file) {
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return new JSONResponse([
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'message' => 'File not found',
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], Http::STATUS_NOT_FOUND);
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}
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try {
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$preview = \OC::$server->get(\OCP\IPreview::class)->getPreview($file, $x, $y, !$a, $mode);
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$response = new FileDisplayResponse($preview, Http::STATUS_OK, [
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'Content-Type' => $preview->getMimeType(),
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]);
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$response->cacheFor(3600 * 24, false, true);
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return $response;
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} catch (\OCP\Files\NotFoundException $e) {
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return new JSONResponse([], Http::STATUS_NOT_FOUND);
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} catch (\InvalidArgumentException $e) {
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return new JSONResponse([], Http::STATUS_BAD_REQUEST);
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}
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}
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/**
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* @NoAdminRequired
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*
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* @NoCSRFRequired
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*
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* @PublicPage
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*
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* Get preview of many images
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*/
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public function multipreview()
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{
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// read body to array
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try {
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$body = file_get_contents('php://input');
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$files = json_decode($body, true);
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} catch (\Exception $e) {
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return new JSONResponse([], Http::STATUS_BAD_REQUEST);
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}
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/** @var \OCP\IPreview $previewManager */
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$previewManager = \OC::$server->get(\OCP\IPreview::class);
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// For checking max previews
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$previewRoot = new \OC\Preview\Storage\Root(
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\OC::$server->get(IRootFolder::class),
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\OC::$server->getSystemConfig(),
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);
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// stream the response
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header('Content-Type: application/octet-stream');
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header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + 7 * 3600 * 24));
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header('Cache-Control: max-age='. 7 * 3600 * 24 .', private');
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foreach ($files as $bodyFile) {
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if (!isset($bodyFile['reqid']) || !isset($bodyFile['fileid']) || !isset($bodyFile['x']) || !isset($bodyFile['y']) || !isset($bodyFile['a'])) {
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continue;
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}
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$reqid = $bodyFile['reqid'];
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$fileid = (int) $bodyFile['fileid'];
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$x = (int) $bodyFile['x'];
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$y = (int) $bodyFile['y'];
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$a = '1' === $bodyFile['a'];
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if ($fileid <= 0 || $x <= 0 || $y <= 0) {
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continue;
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}
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$file = $this->getUserFile($fileid);
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if (!$file) {
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continue;
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}
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try {
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// Make sure max preview exists
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$fileId = (string) $file->getId();
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$folder = $previewRoot->getFolder($fileId);
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$hasMax = false;
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foreach ($folder->getDirectoryListing() as $preview) {
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$name = $preview->getName();
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if (str_contains($name, '-max')) {
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$hasMax = true;
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break;
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}
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}
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if (!$hasMax) {
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continue;
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}
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// Add this preview to the response
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$preview = $previewManager->getPreview($file, $x, $y, !$a, 'fill');
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$content = $preview->getContent();
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if (empty($content)) {
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continue;
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}
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ob_start();
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echo json_encode([
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'reqid' => $reqid,
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'Content-Length' => \strlen($content),
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'Content-Type' => $preview->getMimeType(),
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]);
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echo "\n";
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echo $content;
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ob_end_flush();
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} catch (\OCP\Files\NotFoundException $e) {
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continue;
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} catch (\Exception $e) {
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continue;
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}
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}
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exit;
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}
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/**
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* @NoAdminRequired
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*
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* @PublicPage
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*
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* Get EXIF info for an image with file id
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*
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* @param string fileid
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*/
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public function info(
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string $id,
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bool $basic = false,
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bool $current = false
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): JSONResponse {
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$file = $this->getUserFile((int) $id);
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if (!$file) {
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return new JSONResponse([], Http::STATUS_NOT_FOUND);
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}
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// Get the image info
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$info = $this->timelineQuery->getInfoById($file->getId(), $basic);
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// Get latest exif data if requested
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// Allow this ony for logged in users
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if ($current && null !== $this->userSession->getUser()) {
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$info['current'] = Exif::getExifFromFile($file);
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}
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return new JSONResponse($info, Http::STATUS_OK);
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}
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/**
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* @NoAdminRequired
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*
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* Set the exif data for a file.
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*
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* @param string fileid
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*/
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public function setExif(string $id): JSONResponse
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{
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$file = $this->getUserFile((int) $id);
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if (!$file) {
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return new JSONResponse([], Http::STATUS_NOT_FOUND);
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}
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// Check if user has permissions
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if (!$file->isUpdateable() || !($file->getPermissions() & \OCP\Constants::PERMISSION_UPDATE)) {
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return new JSONResponse([], Http::STATUS_FORBIDDEN);
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}
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// Check for end-to-end encryption
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if (\OCA\Memories\Util::isEncryptionEnabled()) {
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return new JSONResponse(['message' => 'Cannot change encrypted file'], Http::STATUS_PRECONDITION_FAILED);
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}
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// Get original file from body
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$exif = $this->request->getParam('raw');
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$path = $file->getStorage()->getLocalFile($file->getInternalPath());
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try {
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Exif::setExif($path, $exif);
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} catch (\Exception $e) {
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return new JSONResponse(['message' => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
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}
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// Update remote file if not local
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if (!$file->getStorage()->isLocal()) {
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$file->putContent(fopen($path, 'r')); // closes the handler
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}
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// Touch the file, triggering a reprocess through the hook
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$file->touch();
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return new JSONResponse([], Http::STATUS_OK);
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}
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/**
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* @NoAdminRequired
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*
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* @NoCSRFRequired
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*
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* Get a full resolution JPEG for editing from a file.
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*/
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public function jpeg(string $id)
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{
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$file = $this->getUserFile((int) $id);
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if (!$file) {
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return new JSONResponse([], Http::STATUS_NOT_FOUND);
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}
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// check if valid image
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$mimetype = $file->getMimeType();
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if (!\in_array($mimetype, Application::IMAGE_MIMES, true)) {
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return new JSONResponse([], Http::STATUS_FORBIDDEN);
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}
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// Get the image
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$path = $file->getStorage()->getLocalFile($file->getInternalPath());
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$image = new \Imagick($path);
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$image->setImageFormat('jpeg');
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$image->setImageCompressionQuality(95);
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$blob = $image->getImageBlob();
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// Return the image
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$response = new Http\DataDisplayResponse($blob, Http::STATUS_OK, ['Content-Type' => $image->getImageMimeType()]);
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$response->cacheFor(3600 * 24, false, false);
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return $response;
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}
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}
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