memories/lib/Controller/ApiController.php

514 lines
18 KiB
PHP

<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
*
* @author John Molakvoæ <skjnldsv@protonmail.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;
use OCA\Memories\Db\TimelineWrite;
use OCA\Memories\Exif;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\Files\IRootFolder;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\IRequest;
use OCP\IUserSession;
use OCP\Files\FileInfo;
use OCP\Files\Folder;
class ApiController extends Controller {
private IConfig $config;
private IUserSession $userSession;
private IDBConnection $connection;
private IRootFolder $rootFolder;
private TimelineQuery $timelineQuery;
private TimelineWrite $timelineWrite;
public function __construct(
IRequest $request,
IConfig $config,
IUserSession $userSession,
IDBConnection $connection,
IRootFolder $rootFolder) {
parent::__construct(Application::APPNAME, $request);
$this->config = $config;
$this->userSession = $userSession;
$this->connection = $connection;
$this->rootFolder = $rootFolder;
$this->timelineQuery = new TimelineQuery($this->connection);
$this->timelineWrite = new TimelineWrite($connection);
}
/**
* Get transformations depending on the request
*/
private function getTransformations() {
$transforms = array();
// Filter only favorites
if ($this->request->getParam('fav')) {
$transforms[] = array($this->timelineQuery, 'transformFavoriteFilter');
}
// Filter only videos
if ($this->request->getParam('vid')) {
$transforms[] = array($this->timelineQuery, 'transformVideoFilter');
}
// Filter only for one tag
$tagName = $this->request->getParam('tag');
if ($tagName) {
$transforms[] = array($this->timelineQuery, 'transformTagFilter', $tagName);
}
// Limit number of responses for day query
$limit = $this->request->getParam('limit');
if ($limit) {
$transforms[] = array($this->timelineQuery, 'transformLimitDay', intval($limit));
}
return $transforms;
}
/** Preload a few "day" at the start of "days" response */
private function preloadDays(array &$days, Folder &$folder, bool $recursive, bool $archive) {
$uid = $this->userSession->getUser()->getUID();
$transforms = $this->getTransformations();
$preloaded = 0;
foreach ($days as &$day) {
$day["detail"] = $this->timelineQuery->getDay(
$folder,
$uid,
[$day["dayid"]],
$recursive,
$archive,
$transforms,
);
$day["count"] = count($day["detail"]); // make sure count is accurate
$preloaded += $day["count"];
if ($preloaded >= 50) { // should be enough
break;
}
}
}
/** Get the Folder object relevant to the request */
private function getRequestFolder() {
$uid = $this->userSession->getUser()->getUID();
try {
$folder = null;
$folderPath = $this->request->getParam('folder');
$userFolder = $this->rootFolder->getUserFolder($uid);
if (!is_null($folderPath)) {
$folder = $userFolder->get($folderPath);
} else {
$configPath = Exif::removeExtraSlash(Exif::getPhotosPath($this->config, $uid));
$folder = $userFolder->get($configPath);
}
if (!$folder instanceof Folder) {
throw new \Exception("Folder not found");
}
} catch (\Exception $e) {
return null;
}
return $folder;
}
/**
* @NoAdminRequired
*
* @return JSONResponse
*/
public function days(): JSONResponse {
$user = $this->userSession->getUser();
if (is_null($user)) {
return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
}
$uid = $user->getUID();
// Get the folder to show
$folder = $this->getRequestFolder();
$recursive = is_null($this->request->getParam('folder'));
$archive = !is_null($this->request->getParam('archive'));
if (is_null($folder)) {
return new JSONResponse(["message" => "Timeline folder not found"], Http::STATUS_NOT_FOUND);
}
// Run actual query
$list = $this->timelineQuery->getDays(
$folder,
$uid,
$recursive,
$archive,
$this->getTransformations(),
);
// Preload some day responses
$this->preloadDays($list, $folder, $recursive, $archive);
// Add subfolder info if querying non-recursively
if (!$recursive) {
array_unshift($list, $this->getSubfoldersEntry($folder));
}
return new JSONResponse($list, Http::STATUS_OK);
}
/**
* @NoAdminRequired
*
* @return JSONResponse
*/
public function dayPost(): JSONResponse {
$id = $this->request->getParam('body_ids');
if (is_null($id)) {
return new JSONResponse([], Http::STATUS_BAD_REQUEST);
}
return $this->day($id);
}
/**
* @NoAdminRequired
*
* @return JSONResponse
*/
public function day(string $id): JSONResponse {
$user = $this->userSession->getUser();
if (is_null($user)) {
return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
}
$uid = $user->getUID();
// Check for wildcard
$day_ids = [];
if ($id === "*") {
$day_ids = null;
} else {
// Split at commas and convert all parts to int
$day_ids = array_map(function ($part) {
return intval($part);
}, explode(",", $id));
}
// Check if $day_ids is empty
if (!is_null($day_ids) && count($day_ids) === 0) {
return new JSONResponse([], Http::STATUS_OK);
}
// Get the folder to show
$folder = $this->getRequestFolder();
$recursive = is_null($this->request->getParam('folder'));
$archive = !is_null($this->request->getParam('archive'));
if (is_null($folder)) {
return new JSONResponse([], Http::STATUS_NOT_FOUND);
}
// Run actual query
$list = $this->timelineQuery->getDay(
$folder,
$uid,
$day_ids,
$recursive,
$archive,
$this->getTransformations(),
);
return new JSONResponse($list, Http::STATUS_OK);
}
/**
* Get subfolders entry for days response
*/
public function getSubfoldersEntry(Folder &$folder) {
// Ugly: get the view of the folder with reflection
// This is unfortunately the only way to get the contents of a folder
// matching a MIME type without using SEARCH, which is deep
$rp = new \ReflectionProperty('\OC\Files\Node\Node', 'view');
$rp->setAccessible(true);
$view = $rp->getValue($folder);
// Get the subfolders
$folders = $view->getDirectoryContent($folder->getPath(), FileInfo::MIMETYPE_FOLDER, $folder);
// Sort by name
usort($folders, function($a, $b) {
return strnatcmp($a->getName(), $b->getName());
});
// Process to response type
return [
"dayid" => \OCA\Memories\Util::$TAG_DAYID_FOLDERS,
"count" => count($folders),
"detail" => array_map(function ($node) {
return [
"fileid" => $node->getId(),
"name" => $node->getName(),
"isfolder" => 1,
"path" => $node->getPath(),
];
}, $folders, []),
];
}
/**
* @NoAdminRequired
*
* Get list of tags with counts of images
* @return JSONResponse
*/
public function tags(): JSONResponse {
$user = $this->userSession->getUser();
if (is_null($user)) {
return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
}
// If this isn't the timeline folder then things aren't going to work
$folder = $this->getRequestFolder();
if (is_null($folder)) {
return new JSONResponse([], Http::STATUS_NOT_FOUND);
}
// Run actual query
$list = $this->timelineQuery->getTags(
$folder,
);
return new JSONResponse($list, Http::STATUS_OK);
}
/**
* @NoAdminRequired
*
* Get image info for one file
* @param string fileid
*/
public function imageInfo(string $id): JSONResponse {
$user = $this->userSession->getUser();
if (is_null($user)) {
return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
}
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
// Check for permissions and get numeric Id
$file = $userFolder->getById(intval($id));
if (count($file) === 0) {
return new JSONResponse([], Http::STATUS_NOT_FOUND);
}
$file = $file[0];
// Get the image info
$info = $this->timelineQuery->getInfoById($file->getId());
return new JSONResponse($info, Http::STATUS_OK);
}
/**
* @NoAdminRequired
*
* Change exif data for one file
* @param string fileid
*/
public function imageEdit(string $id): JSONResponse {
$user = $this->userSession->getUser();
if (is_null($user)) {
return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
}
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
// Check for permissions and get numeric Id
$file = $userFolder->getById(intval($id));
if (count($file) === 0) {
return new JSONResponse([], Http::STATUS_NOT_FOUND);
}
$file = $file[0];
// Check if user has permissions
if (!$file->isUpdateable()) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
}
// Get new date from body
$body = $this->request->getParams();
if (!isset($body['date'])) {
return new JSONResponse(["message" => "Missing date"], Http::STATUS_BAD_REQUEST);
}
// Make sure the date is valid
try {
Exif::parseExifDate($body['date']);
} catch (\Exception $e) {
return new JSONResponse(["message" => $e->getMessage()], Http::STATUS_BAD_REQUEST);
}
// Update date
try {
$res = Exif::updateExifDate($file, $body['date']);
if ($res === false) {
return new JSONResponse([], Http::STATUS_INTERNAL_SERVER_ERROR);
}
} catch (\Exception $e) {
return new JSONResponse(["message" => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
}
// Reprocess the file
$this->timelineWrite->processFile($file, true);
return $this->imageInfo($id);
}
/**
* @NoAdminRequired
*
* Move one file to the archive folder
* @param string fileid
*/
public function archive(string $id): JSONResponse {
$user = $this->userSession->getUser();
if (is_null($user)) {
return new JSONResponse(["message" => "Not logged in"], Http::STATUS_PRECONDITION_FAILED);
}
$uid = $user->getUID();
$userFolder = $this->rootFolder->getUserFolder($uid);
// Check for permissions and get numeric Id
$file = $userFolder->getById(intval($id));
if (count($file) === 0) {
return new JSONResponse(["message" => "No such file"], Http::STATUS_NOT_FOUND);
}
$file = $file[0];
// Check if user has permissions
if (!$file->isUpdateable()) {
return new JSONResponse(["message" => "Cannot update this file"], Http::STATUS_FORBIDDEN);
}
// Create archive folder in the root of the user's configured timeline
$timelinePath = Exif::removeExtraSlash(Exif::getPhotosPath($this->config, $uid));
$timelineFolder = $userFolder->get($timelinePath);
if (is_null($timelineFolder) || !$timelineFolder instanceof Folder) {
return new JSONResponse(["message" => "Cannot get timeline"], Http::STATUS_INTERNAL_SERVER_ERROR);
}
if (!$timelineFolder->isCreatable()) {
return new JSONResponse(["message" => "Cannot create archive folder"], Http::STATUS_FORBIDDEN);
}
// Get path of current file relative to the timeline folder
// remove timelineFolder path from start of file path
$timelinePath = $timelineFolder->getPath(); // no trailing slash
if (substr($file->getPath(), 0, strlen($timelinePath)) !== $timelinePath) {
return new JSONResponse(["message" => "Files outside timeline cannot be archived"], Http::STATUS_INTERNAL_SERVER_ERROR);
}
$relativePath = substr($file->getPath(), strlen($timelinePath)); // has a leading slash
// Final path of the file including the file name
$destinationPath = '';
// Check if we want to archive or unarchive
$body = $this->request->getParams();
$unarchive = isset($body['archive']) && $body['archive'] === false;
// Get if the file is already in the archive (relativePath starts with archive)
$archiveFolderWithLeadingSlash = '/' . \OCA\Memories\Util::$ARCHIVE_FOLDER;
if (substr($relativePath, 0, strlen($archiveFolderWithLeadingSlash)) === $archiveFolderWithLeadingSlash) {
// file already in archive, remove it instead
$destinationPath = substr($relativePath, strlen($archiveFolderWithLeadingSlash));
if (!$unarchive) {
return new JSONResponse(["message" => "File already archived"], Http::STATUS_BAD_REQUEST);
}
} else {
// file not in archive, put it in there
$destinationPath = Exif::removeExtraSlash(\OCA\Memories\Util::$ARCHIVE_FOLDER . $relativePath);
if ($unarchive) {
return new JSONResponse(["message" => "File not archived"], Http::STATUS_BAD_REQUEST);
}
}
// Remove the filename
$destinationFolders = explode('/', $destinationPath);
array_pop($destinationFolders);
// Create folder tree
$folder = $timelineFolder;
foreach ($destinationFolders as $folderName) {
if ($folderName === '') {
continue;
}
try {
$existingFolder = $folder->get($folderName . '/');
if (!$existingFolder instanceof Folder) {
throw new \OCP\Files\NotFoundException('Not a folder');
}
$folder = $existingFolder;
} catch (\OCP\Files\NotFoundException $e) {
try {
$folder = $folder->newFolder($folderName);
} catch (\OCP\Files\NotPermittedException $e) {
return new JSONResponse(["message" => "Failed to create folder"], Http::STATUS_FORBIDDEN);
}
}
}
// Move file to archive folder
try {
$file->move($folder->getPath() . '/' . $file->getName());
} catch (\OCP\Files\NotPermittedException $e) {
return new JSONResponse(["message" => "Failed to move file"], Http::STATUS_FORBIDDEN);
} catch (\OCP\Files\NotFoundException $e) {
return new JSONResponse(["message" => "File not found"], Http::STATUS_INTERNAL_SERVER_ERROR);
} catch (\OCP\Files\InvalidPathException $e) {
return new JSONResponse(["message" => "Invalid path"], Http::STATUS_INTERNAL_SERVER_ERROR);
} catch (\OCP\Lock\LockedException $e) {
return new JSONResponse(["message" => "File is locked"], Http::STATUS_INTERNAL_SERVER_ERROR);
}
return new JSONResponse([], Http::STATUS_OK);
}
/**
* @NoAdminRequired
*
* update preferences (user setting)
*
* @param string key the identifier to change
* @param string value the value to set
*
* @return JSONResponse an empty JSONResponse with respective http status code
*/
public function setUserConfig(string $key, string $value): JSONResponse {
$user = $this->userSession->getUser();
if (is_null($user)) {
return new JSONResponse([], Http::STATUS_PRECONDITION_FAILED);
}
$userId = $user->getUid();
$this->config->setUserValue($userId, Application::APPNAME, $key, $value);
return new JSONResponse([], Http::STATUS_OK);
}
}