memories/lib/Controller/ApiBase.php

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2022 Varun Patil <radialapps@gmail.com>
* @author Varun Patil <radialapps@gmail.com>
* @license AGPL-3.0-or-later
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace OCA\Memories\Controller;
use OCA\Memories\AppInfo\Application;
use OCA\Memories\Db\TimelineQuery;
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use OCA\Memories\Db\TimelineRoot;
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use OCA\Memories\Db\TimelineWrite;
use OCA\Memories\Exif;
use OCP\App\IAppManager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
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use OCP\Files\File;
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use OCP\Files\Folder;
use OCP\Files\IRootFolder;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\IPreview;
use OCP\IRequest;
use OCP\IUserSession;
use OCP\Share\IManager as IShareManager;
class ApiBase extends Controller
{
protected IConfig $config;
protected IUserSession $userSession;
protected IRootFolder $rootFolder;
protected IAppManager $appManager;
protected TimelineQuery $timelineQuery;
protected TimelineWrite $timelineWrite;
protected IShareManager $shareManager;
protected IPreview $previewManager;
public function __construct(
IRequest $request,
IConfig $config,
IUserSession $userSession,
IDBConnection $connection,
IRootFolder $rootFolder,
IAppManager $appManager,
IShareManager $shareManager,
IPreview $preview
) {
parent::__construct(Application::APPNAME, $request);
$this->config = $config;
$this->userSession = $userSession;
$this->connection = $connection;
$this->rootFolder = $rootFolder;
$this->appManager = $appManager;
$this->shareManager = $shareManager;
$this->previewManager = $preview;
$this->timelineQuery = new TimelineQuery($connection);
$this->timelineWrite = new TimelineWrite($connection, $preview);
}
/** Get logged in user's UID or throw HTTP error */
protected function getUid(): string
{
$user = $this->userSession->getUser();
if ($this->getShareToken()) {
$user = null;
} elseif (null === $user) {
return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
}
return $user ? $user->getUID() : '';
}
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/** Get the TimelineRoot object relevant to the request */
protected function getRequestRoot()
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{
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$root = new TimelineRoot();
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// Albums have no folder
if ($this->request->getParam('album')) {
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return $root;
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}
// Public shared folder
if ($token = $this->getShareToken()) {
$share = $this->shareManager->getShareByToken($token)->getNode(); // throws exception if not found
if (!$share instanceof Folder) {
throw new \Exception('Share not found or invalid');
}
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$root->addFolder($share);
return $root;
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}
// Anything else needs a user
$user = $this->userSession->getUser();
if (null === $user) {
throw new \Exception('User not logged in');
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}
$uid = $user->getUID();
$folder = null;
$folderPath = $this->request->getParam('folder');
$userFolder = $this->rootFolder->getUserFolder($uid);
try {
if (null !== $folderPath) {
$folder = $userFolder->get(Exif::removeExtraSlash($folderPath));
$root->addFolder($folder);
} else {
$timelinePath = $this->request->getParam('timelinePath', Exif::getPhotosPath($this->config, $uid));
$timelinePath = Exif::removeExtraSlash($timelinePath);
// Multiple timeline path support
$paths = explode(';', $timelinePath);
foreach ($paths as &$path) {
$folder = $userFolder->get(trim($path));
$root->addFolder($folder);
}
$root->addMountPoints();
}
} catch (\OCP\Files\NotFoundException $e) {
$msg = $e->getMessage();
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throw new \Exception("Folder not found: {$msg}");
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}
return $root;
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}
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/**
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* Get a file with ID from user's folder.
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*
* @param int $fileId
*
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* @return null|File
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*/
protected function getUserFile(int $id)
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{
$user = $this->userSession->getUser();
if (null === $user) {
return null;
}
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
// Check for permissions and get numeric Id
$file = $userFolder->getById($id);
if (0 === \count($file)) {
return null;
}
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// Check if node is a file
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if (!$file[0] instanceof File) {
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return null;
}
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// Check read permission
if (!($file[0]->getPermissions() & \OCP\Constants::PERMISSION_READ)) {
return null;
}
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return $file[0];
}
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protected function isRecursive()
{
return null === $this->request->getParam('folder');
}
protected function isArchive()
{
return null !== $this->request->getParam('archive');
}
protected function isMonthView()
{
return null !== $this->request->getParam('monthView');
}
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protected function isReverse()
{
return null !== $this->request->getParam('reverse');
}
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protected function getShareToken()
{
return $this->request->getParam('folder_share');
}
/**
* Check if albums are enabled for this user.
*/
protected function albumsIsEnabled(): bool
{
return \OCA\Memories\Util::albumsIsEnabled($this->appManager);
}
/**
* Check if tags is enabled for this user.
*/
protected function tagsIsEnabled(): bool
{
return \OCA\Memories\Util::tagsIsEnabled($this->appManager);
}
/**
* Check if recognize is enabled for this user.
*/
protected function recognizeIsEnabled(): bool
{
return \OCA\Memories\Util::recognizeIsEnabled($this->appManager);
}
}