nextcloud/apps/gallery/ajax/galleryOp.php

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<?php
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/**
* ownCloud - gallery application
*
* @author Bartek Przybylski
* @copyright 2012 Bartek Przybylski bart.p.pl@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
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header('Content-type: text/html; charset=UTF-8') ;
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OCP\JSON::checkLoggedIn();
OCP\JSON::checkAppEnabled('gallery');
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function handleRename($oldname, $newname) {
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OC_Gallery_Album::rename($oldname, $newname, OCP\USER::getUser());
OC_Gallery_Album::changeThumbnailPath($oldname, $newname);
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}
function handleRemove($name) {
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$album_id = OC_Gallery_Album::find(OCP\USER::getUser(), $name);
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$album_id = $album_id->fetchRow();
$album_id = $album_id['album_id'];
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OC_Gallery_Album::remove(OCP\USER::getUser(), $name);
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OC_Gallery_Photo::removeByAlbumId($album_id);
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}
function handleGetThumbnails($albumname) {
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OCP\Response::enableCaching(3600 * 24); // 24 hour
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$view = OCP\Files::getStorage('gallery');
$thumbnail = $view->fopen(urldecode($albumname).'.png', 'r');
header('Content-Type: '.OC_Image::getMimeTypeForFile($thumbnail));
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OCP\Response::sendFile($thumbnail);
}
function handleGalleryScanning() {
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OCP\DB::beginTransaction();
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set_time_limit(0);
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OC_Gallery_Album::cleanup();
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$eventSource = new OC_EventSource();
OC_Gallery_Scanner::scan($eventSource);
$eventSource->close();
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OCP\DB::commit();
}
function handleFilescan($cleanup) {
if ($cleanup) OC_Gallery_Album::cleanup();
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$pathlist = OC_Gallery_Scanner::find_paths();
sort($pathlist);
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OCP\JSON::success(array('paths' => $pathlist));
}
function handleStoreSettings($root, $order) {
if (!OC_Filesystem::file_exists($root)) {
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OCP\JSON::error(array('cause' => 'No such file or directory'));
return;
}
if (!OC_Filesystem::is_dir($root)) {
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OCP\JSON::error(array('cause' => $root . ' is not a directory'));
return;
}
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$current_root = OCP\Config::getUserValue(OCP\USER::getUser(),'gallery', 'root', '/');
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$root = trim($root);
$root = rtrim($root, '/').'/';
$rescan = $current_root==$root?'no':'yes';
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OCP\Config::setUserValue(OCP\USER::getUser(), 'gallery', 'root', $root);
OCP\Config::setUserValue(OCP\USER::getUser(), 'gallery', 'order', $order);
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OCP\JSON::success(array('rescan' => $rescan));
}
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function handleGetGallery($path) {
$a = array();
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$root = OCP\Config::getUserValue(OCP\USER::getUser(),'gallery', 'root', '/');
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$path = utf8_decode(rtrim($root.$path,'/'));
if($path == '') $path = '/';
$pathLen = strlen($path);
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$result = OC_Gallery_Album::find(OCP\USER::getUser(), null, $path);
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$album_details = $result->fetchRow();
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$result = OC_Gallery_Album::find(OCP\USER::getUser(), null, null, $path);
while ($r = $result->fetchRow()) {
$album_name = $r['album_name'];
$size=OC_Gallery_Album::getAlbumSize($r['album_id']);
// this is a fallback mechanism and seems expensive
if ($size == 0) $size = OC_Gallery_Album::getIntermediateGallerySize($r['album_path']);
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$a[] = array('name' => utf8_encode($album_name), 'numOfItems' => min($size, 10),'path'=>substr($r['album_path'], $pathLen));
}
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$result = OC_Gallery_Photo::find($album_details['album_id']);
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$p = array();
while ($r = $result->fetchRow()) {
$p[] = utf8_encode($r['file_path']);
}
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$r = OC_Gallery_Sharing::getEntryByAlbumId($album_details['album_id']);
$shared = false;
$recursive = false;
$token = '';
if ($row = $r->fetchRow()) {
$shared = true;
$recursive = ($row['recursive'] == 1)? true : false;
$token = $row['token'];
}
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OCP\JSON::success(array('albums'=>$a, 'photos'=>$p, 'shared' => $shared, 'recursive' => $recursive, 'token' => $token));
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}
function handleShare($path, $share, $recursive) {
$recursive = $recursive == 'true' ? 1 : 0;
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$owner = OCP\USER::getUser();
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$root = OCP\Config::getUserValue(OCP\USER::getUser(),'gallery', 'root', '/');
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$path = utf8_decode(rtrim($root.$path,'/'));
if($path == '') $path = '/';
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$r = OC_Gallery_Album::find($owner, null, $path);
if ($row = $r->fetchRow()) {
$albumId = $row['album_id'];
} else {
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OCP\JSON::error(array('cause' => 'Couldn\'t find requested gallery'));
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exit;
}
if ($share == false) {
OC_Gallery_Sharing::remove($albumId);
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OCP\JSON::success(array('sharing' => false));
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} else { // share, yeah \o/
$r = OC_Gallery_Sharing::getEntryByAlbumId($albumId);
if (($row = $r->fetchRow())) { // update entry
OC_Gallery_Sharing::updateSharingByToken($row['token'], $recursive);
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OCP\JSON::success(array('sharing' => true, 'token' => $row['token'], 'recursive' => $recursive == 1 ? true : false ));
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} else { // and new sharing entry
$date = new DateTime();
$token = md5($owner . $date->getTimestamp());
OC_Gallery_Sharing::addShared($token, intval($albumId), $recursive);
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OCP\JSON::success(array('sharing' => true, 'token' => $token, 'recursive' => $recursive == 1 ? true : false ));
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}
}
}
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if ($_GET['operation']) {
switch($_GET['operation']) {
case 'rename':
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handleRename($_GET['oldname'], $_GET['newname']);
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OCP\JSON::success(array('newname' => $_GET['newname']));
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break;
case 'remove':
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handleRemove($_GET['name']);
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OCP\JSON::success();
break;
case 'get_covers':
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handleGetThumbnails(urldecode($_GET['albumname']));
break;
case 'scan':
handleGalleryScanning();
break;
case 'store_settings':
handleStoreSettings($_GET['root'], $_GET['order']);
break;
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case 'get_gallery':
handleGetGallery($_GET['path']);
break;
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case 'share':
handleShare($_GET['path'], $_GET['share'] == 'true' ? true : false, $_GET['recursive']);
break;
default:
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OCP\JSON::error(array('cause' => 'Unknown operation'));
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}
}