when _ is left in namespace and files are named after their classes the autoloader will also find classes in the lib folder of an app
its magic!
}
// get array with updated storage stats (e.g. max file size) after upload
-$storageStats = \OCA\files\lib\Helper::buildFileStorageStatistics($dir);
+$storageStats = \OCA\Files\Lib\Helper::buildFileStorageStatistics($dir);
if ($success) {
OCP\JSON::success(array("data" => array_merge(array("dir" => $dir, "files" => $files), $storageStats)));
OCP\JSON::checkLoggedIn();
// send back json
-OCP\JSON::success(array('data' => \OCA\files\lib\Helper::buildFileStorageStatistics('/')));
+OCP\JSON::success(array('data' => \OCA\Files\Lib\Helper::buildFileStorageStatistics('/')));
$data = array();
$baseUrl = OCP\Util::linkTo('files', 'index.php') . '?dir=';
-$permissions = \OCA\files\lib\Helper::getDirPermissions($dir);
+$permissions = \OCA\Files\Lib\Helper::getDirPermissions($dir);
// Make breadcrumb
if($doBreadcrumb) {
- $breadcrumb = \OCA\files\lib\Helper::makeBreadcrumb($dir);
+ $breadcrumb = \OCA\Files\Lib\Helper::makeBreadcrumb($dir);
$breadcrumbNav = new OCP\Template('files', 'part.breadcrumb', '');
$breadcrumbNav->assign('breadcrumb', $breadcrumb, false);
}
// make filelist
-$files = \OCA\files\lib\Helper::getFiles($dir);
+$files = \OCA\Files\Lib\Helper::getFiles($dir);
$list = new OCP\Template("files", "part.list", "");
$list->assign('files', $files, false);
$file['directory'] = $dir;
$file['isPreviewAvailable'] = \OCP\Preview::isMimeSupported($file['mimetype']);
$file["date"] = OCP\Util::formatDate($file["mtime"]);
- $file['mimetype_icon'] = \OCA\files\lib\Helper::determineIcon($file);
+ $file['mimetype_icon'] = \OCA\Files\Lib\Helper::determineIcon($file);
$files[] = $file;
}
}
$file['directory'] = $dir;
$file['isPreviewAvailable'] = \OCP\Preview::isMimeSupported($file['mimetype']);
$file["date"] = OCP\Util::formatDate($file["mtime"]);
- $file['mimetype_icon'] = \OCA\files\lib\Helper::determineIcon($file);
+ $file['mimetype_icon'] = \OCA\Files\Lib\Helper::determineIcon($file);
$files[] = $file;
}
}
$file['directory'] = $dir;
$file['isPreviewAvailable'] = \OCP\Preview::isMimeSupported($file['mimetype']);
$file["date"] = OCP\Util::formatDate($file["mtime"]);
- $file['mimetype_icon'] = \OCA\files\lib\Helper::determineIcon($file);
+ $file['mimetype_icon'] = \OCA\Files\Lib\Helper::determineIcon($file);
$files[] = $file;
}
}
// get array with current storage stats (e.g. max file size)
-$storageStats = \OCA\files\lib\Helper::buildFileStorageStatistics($dir);
+$storageStats = \OCA\Files\Lib\Helper::buildFileStorageStatistics($dir);
if (!isset($_FILES['files'])) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('No file was uploaded. Unknown error')), $storageStats)));
if (is_uploaded_file($files['tmp_name'][$i]) and \OC\Files\Filesystem::fromTmpFile($files['tmp_name'][$i], $target)) {
// updated max file size after upload
- $storageStats = \OCA\files\lib\Helper::buildFileStorageStatistics($dir);
+ $storageStats = \OCA\Files\Lib\Helper::buildFileStorageStatistics($dir);
$meta = \OC\Files\Filesystem::getFileInfo($target);
if ($meta === false) {
$ajaxLoad = true;
}
else{
- $files = \OCA\files\lib\Helper::getFiles($dir);
+ $files = \OCA\Files\Lib\Helper::getFiles($dir);
}
$freeSpace = \OC\Files\Filesystem::free_space($dir);
$needUpgrade = false;
}
// Make breadcrumb
-$breadcrumb = \OCA\files\lib\Helper::makeBreadcrumb($dir);
+$breadcrumb = \OCA\Files\Lib\Helper::makeBreadcrumb($dir);
// make breadcrumb und filelist markup
$list = new OCP\Template('files', 'part.list', '');
$breadcrumbNav->assign('breadcrumb', $breadcrumb);
$breadcrumbNav->assign('baseURL', OCP\Util::linkTo('files', 'index.php') . '?dir=');
-$permissions = \OCA\files\lib\Helper::getDirPermissions($dir);
+$permissions = \OCA\Files\Lib\Helper::getDirPermissions($dir);
if ($needUpgrade) {
OCP\Util::addscript('files', 'upgrade');
<?php
-namespace OCA\files\lib;
+namespace OCA\Files\Lib;
class Helper
{
}
$i['directory'] = $dir;
$i['isPreviewAvailable'] = \OCP\Preview::isMimeSupported($i['mimetype']);
- $i['icon'] = \OCA\files\lib\Helper::determineIcon($i);
+ $i['icon'] = \OCA\Files\Lib\Helper::determineIcon($i);
$files[] = $i;
}
- usort($files, array('\OCA\files\lib\Helper', 'fileCmp'));
+ usort($files, array('\OCA\Files\Lib\Helper', 'fileCmp'));
return $files;
}
function determineIcon($file, $sharingRoot, $sharingToken) {
// for folders we simply reuse the files logic
if($file['type'] == 'dir') {
- return \OCA\files\lib\Helper::determineIcon($file);
+ return \OCA\Files\Lib\Helper::determineIcon($file);
}
$relativePath = substr($file['path'], 6);
// Make breadcrumb
if($doBreadcrumb) {
- $breadcrumb = \OCA\files_trashbin\lib\Helper::makeBreadcrumb($dir);
+ $breadcrumb = \OCA\Files_Trashbin\Helper::makeBreadcrumb($dir);
$breadcrumbNav = new OCP\Template('files_trashbin', 'part.breadcrumb', '');
$breadcrumbNav->assign('breadcrumb', $breadcrumb, false);
}
// make filelist
-$files = \OCA\files_trashbin\lib\Helper::getTrashFiles($dir);
+$files = \OCA\Files_Trashbin\Helper::getTrashFiles($dir);
if ($files === null){
header("HTTP/1.0 404 Not Found");
<?php
-OC::$CLASSPATH['OCA\Files_Trashbin\Hooks'] = 'files_trashbin/lib/hooks.php';
-OC::$CLASSPATH['OCA\Files_Trashbin\Trashbin'] = 'files_trashbin/lib/trash.php';
+//OC::$CLASSPATH['OCA\Files_Trashbin\Hooks'] = 'files_trashbin/lib/hooks.php';
+//OC::$CLASSPATH['OCA\Files_Trashbin\Trashbin'] = 'files_trashbin/lib/trash.php';
// register hooks
\OCA\Files_Trashbin\Trashbin::registerHooks();
$ajaxLoad = false;
if (!$isIE8){
- $files = \OCA\files_trashbin\lib\Helper::getTrashFiles($dir);
+ $files = \OCA\Files_Trashbin\Helper::getTrashFiles($dir);
}
else{
$files = array();
$dirlisting = true;
}
-$breadcrumb = \OCA\files_trashbin\lib\Helper::makeBreadcrumb($dir);
+$breadcrumb = \OCA\Files_Trashbin\Helper::makeBreadcrumb($dir);
$breadcrumbNav = new OCP\Template('files_trashbin', 'part.breadcrumb', '');
$breadcrumbNav->assign('breadcrumb', $breadcrumb);
<?php
-namespace OCA\files_trashbin\lib;
+namespace OCA\Files_Trashbin;
class Helper
{
}
$i['permissions'] = \OCP\PERMISSION_READ;
$i['isPreviewAvailable'] = \OCP\Preview::isMimeSupported($r['mime']);
- $i['icon'] = \OCA\files\lib\Helper::determineIcon($i);
+ $i['icon'] = \OCA\Files\Lib\Helper::determineIcon($i);
$files[] = $i;
}
- usort($files, array('\OCA\files\lib\Helper', 'fileCmp'));
+ usort($files, array('\OCA\Files\Lib\Helper', 'fileCmp'));
return $files;
}
+++ /dev/null
-<?php
-/**
- * ownCloud - trash bin
- *
- * @author Bjoern Schiessle
- * @copyright 2013 Bjoern Schiessle schiessle@owncloud.com
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-namespace OCA\Files_Trashbin;
-
-class Trashbin {
- // how long do we keep files in the trash bin if no other value is defined in the config file (unit: days)
-
- const DEFAULT_RETENTION_OBLIGATION = 30;
-
- // unit: percentage; 50% of available disk space/quota
- const DEFAULTMAXSIZE = 50;
-
- public static function getUidAndFilename($filename) {
- $uid = \OC\Files\Filesystem::getOwner($filename);
- \OC\Files\Filesystem::initMountPoints($uid);
- if ($uid != \OCP\User::getUser()) {
- $info = \OC\Files\Filesystem::getFileInfo($filename);
- $ownerView = new \OC\Files\View('/' . $uid . '/files');
- $filename = $ownerView->getPath($info['fileid']);
- }
- return array($uid, $filename);
- }
-
- /**
- * move file to the trash bin
- *
- * @param $file_path path to the deleted file/directory relative to the files root directory
- */
- public static function move2trash($file_path) {
- $user = \OCP\User::getUser();
- $view = new \OC\Files\View('/' . $user);
- if (!$view->is_dir('files_trashbin')) {
- $view->mkdir('files_trashbin');
- }
- if (!$view->is_dir('files_trashbin/files')) {
- $view->mkdir('files_trashbin/files');
- }
- if (!$view->is_dir('files_trashbin/versions')) {
- $view->mkdir('files_trashbin/versions');
- }
- if (!$view->is_dir('files_trashbin/keyfiles')) {
- $view->mkdir('files_trashbin/keyfiles');
- }
- if (!$view->is_dir('files_trashbin/share-keys')) {
- $view->mkdir('files_trashbin/share-keys');
- }
- $path_parts = pathinfo($file_path);
-
- $filename = $path_parts['basename'];
- $location = $path_parts['dirname'];
- $timestamp = time();
- $mime = $view->getMimeType('files' . $file_path);
-
- if ($view->is_dir('files' . $file_path)) {
- $type = 'dir';
- } else {
- $type = 'file';
- }
-
- $trashbinSize = self::getTrashbinSize($user);
- if ($trashbinSize === false || $trashbinSize < 0) {
- $trashbinSize = self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin'));
- }
-
- // disable proxy to prevent recursive calls
- $proxyStatus = \OC_FileProxy::$enabled;
- \OC_FileProxy::$enabled = false;
- $sizeOfAddedFiles = self::copy_recursive($file_path, 'files_trashbin/files/' . $filename . '.d' . $timestamp, $view);
- \OC_FileProxy::$enabled = $proxyStatus;
-
- if ($view->file_exists('files_trashbin/files/' . $filename . '.d' . $timestamp)) {
- $trashbinSize += $sizeOfAddedFiles;
- $query = \OC_DB::prepare("INSERT INTO `*PREFIX*files_trash` (`id`,`timestamp`,`location`,`type`,`mime`,`user`) VALUES (?,?,?,?,?,?)");
- $result = $query->execute(array($filename, $timestamp, $location, $type, $mime, $user));
- if (!$result) { // if file couldn't be added to the database than also don't store it in the trash bin.
- $view->deleteAll('files_trashbin/files/' . $filename . '.d' . $timestamp);
- \OC_Log::write('files_trashbin', 'trash bin database couldn\'t be updated', \OC_log::ERROR);
- return;
- }
- \OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_moveToTrash', array('filePath' => \OC\Files\Filesystem::normalizePath($file_path),
- 'trashPath' => \OC\Files\Filesystem::normalizePath($filename . '.d' . $timestamp)));
-
- $trashbinSize += self::retainVersions($file_path, $filename, $timestamp);
- $trashbinSize += self::retainEncryptionKeys($file_path, $filename, $timestamp);
- } else {
- \OC_Log::write('files_trashbin', 'Couldn\'t move ' . $file_path . ' to the trash bin', \OC_log::ERROR);
- }
-
- $trashbinSize -= self::expire($trashbinSize);
-
- self::setTrashbinSize($user, $trashbinSize);
- }
-
- /**
- * Move file versions to trash so that they can be restored later
- *
- * @param $file_path path to original file
- * @param $filename of deleted file
- * @param $timestamp when the file was deleted
- *
- * @return size of stored versions
- */
- private static function retainVersions($file_path, $filename, $timestamp) {
- $size = 0;
- if (\OCP\App::isEnabled('files_versions')) {
-
- // disable proxy to prevent recursive calls
- $proxyStatus = \OC_FileProxy::$enabled;
- \OC_FileProxy::$enabled = false;
-
- $user = \OCP\User::getUser();
- $rootView = new \OC\Files\View('/');
-
- list($owner, $ownerPath) = self::getUidAndFilename($file_path);
-
- if ($rootView->is_dir($owner . '/files_versions/' . $ownerPath)) {
- $size += self::calculateSize(new \OC\Files\View('/' . $owner . '/files_versions/' . $ownerPath));
- $rootView->rename($owner . '/files_versions/' . $ownerPath, $user . '/files_trashbin/versions/' . $filename . '.d' . $timestamp);
- } else if ($versions = \OCA\Files_Versions\Storage::getVersions($owner, $ownerPath)) {
- foreach ($versions as $v) {
- $size += $rootView->filesize($owner . '/files_versions' . $v['path'] . '.v' . $v['version']);
- $rootView->rename($owner . '/files_versions' . $v['path'] . '.v' . $v['version'], $user . '/files_trashbin/versions/' . $filename . '.v' . $v['version'] . '.d' . $timestamp);
- }
- }
-
- // enable proxy
- \OC_FileProxy::$enabled = $proxyStatus;
- }
-
- return $size;
- }
-
- /**
- * Move encryption keys to trash so that they can be restored later
- *
- * @param $file_path path to original file
- * @param $filename of deleted file
- * @param $timestamp when the file was deleted
- *
- * @return size of encryption keys
- */
- private static function retainEncryptionKeys($file_path, $filename, $timestamp) {
- $size = 0;
-
- if (\OCP\App::isEnabled('files_encryption')) {
-
- $user = \OCP\User::getUser();
- $rootView = new \OC\Files\View('/');
-
- list($owner, $ownerPath) = self::getUidAndFilename($file_path);
-
- $util = new \OCA\Encryption\Util(new \OC_FilesystemView('/'), $user);
-
- // disable proxy to prevent recursive calls
- $proxyStatus = \OC_FileProxy::$enabled;
- \OC_FileProxy::$enabled = false;
-
- if ($util->isSystemWideMountPoint($ownerPath)) {
- $baseDir = '/files_encryption/';
- } else {
- $baseDir = $owner . '/files_encryption/';
- }
-
- $keyfile = \OC\Files\Filesystem::normalizePath($baseDir . '/keyfiles/' . $ownerPath);
-
- if ($rootView->is_dir($keyfile) || $rootView->file_exists($keyfile . '.key')) {
- // move keyfiles
- if ($rootView->is_dir($keyfile)) {
- $size += self::calculateSize(new \OC\Files\View($keyfile));
- $rootView->rename($keyfile, $user . '/files_trashbin/keyfiles/' . $filename . '.d' . $timestamp);
- } else {
- $size += $rootView->filesize($keyfile . '.key');
- $rootView->rename($keyfile . '.key', $user . '/files_trashbin/keyfiles/' . $filename . '.key.d' . $timestamp);
- }
- }
-
- // retain share keys
- $sharekeys = \OC\Files\Filesystem::normalizePath($baseDir . '/share-keys/' . $ownerPath);
-
- if ($rootView->is_dir($sharekeys)) {
- $size += self::calculateSize(new \OC\Files\View($sharekeys));
- $rootView->rename($sharekeys, $user . '/files_trashbin/share-keys/' . $filename . '.d' . $timestamp);
- } else {
- // get local path to share-keys
- $localShareKeysPath = $rootView->getLocalFile($sharekeys);
- $escapedLocalShareKeysPath = preg_replace('/(\*|\?|\[)/', '[$1]', $localShareKeysPath);
-
- // handle share-keys
- $matches = glob($escapedLocalShareKeysPath . '*.shareKey');
- foreach ($matches as $src) {
- // get source file parts
- $pathinfo = pathinfo($src);
-
- // we only want to keep the owners key so we can access the private key
- $ownerShareKey = $filename . '.' . $user . '.shareKey';
-
- // if we found the share-key for the owner, we need to move it to files_trashbin
- if ($pathinfo['basename'] == $ownerShareKey) {
-
- // calculate size
- $size += $rootView->filesize($sharekeys . '.' . $user . '.shareKey');
-
- // move file
- $rootView->rename($sharekeys . '.' . $user . '.shareKey', $user . '/files_trashbin/share-keys/' . $ownerShareKey . '.d' . $timestamp);
- } else {
-
- // calculate size
- $size += filesize($src);
-
- // don't keep other share-keys
- unlink($src);
- }
- }
- }
-
- // enable proxy
- \OC_FileProxy::$enabled = $proxyStatus;
- }
- return $size;
- }
-
- /**
- * restore files from trash bin
- * @param $file path to the deleted file
- * @param $filename name of the file
- * @param $timestamp time when the file was deleted
- *
- * @return bool
- */
- public static function restore($file, $filename, $timestamp) {
-
- $user = \OCP\User::getUser();
- $view = new \OC\Files\View('/' . $user);
-
- $trashbinSize = self::getTrashbinSize($user);
- if ($trashbinSize === false || $trashbinSize < 0) {
- $trashbinSize = self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin'));
- }
- if ($timestamp) {
- $query = \OC_DB::prepare('SELECT `location`,`type` FROM `*PREFIX*files_trash`'
- . ' WHERE `user`=? AND `id`=? AND `timestamp`=?');
- $result = $query->execute(array($user, $filename, $timestamp))->fetchAll();
- if (count($result) !== 1) {
- \OC_Log::write('files_trashbin', 'trash bin database inconsistent!', \OC_Log::ERROR);
- return false;
- }
-
- // if location no longer exists, restore file in the root directory
- $location = $result[0]['location'];
- if ($result[0]['location'] !== '/' &&
- (!$view->is_dir('files' . $result[0]['location']) ||
- !$view->isUpdatable('files' . $result[0]['location']))) {
- $location = '';
- }
- } else {
- $path_parts = pathinfo($file);
- $result[] = array(
- 'location' => $path_parts['dirname'],
- 'type' => $view->is_dir('/files_trashbin/files/' . $file) ? 'dir' : 'files',
- );
- $location = '';
- }
-
- // we need a extension in case a file/dir with the same name already exists
- $uniqueFilename = self::getUniqueFilename($location, $filename, $view);
-
- $source = \OC\Files\Filesystem::normalizePath('files_trashbin/files/' . $file);
- $target = \OC\Files\Filesystem::normalizePath('files/' . $location . '/' . $uniqueFilename);
- $mtime = $view->filemtime($source);
-
- // disable proxy to prevent recursive calls
- $proxyStatus = \OC_FileProxy::$enabled;
- \OC_FileProxy::$enabled = false;
-
- // restore file
- $restoreResult = $view->rename($source, $target);
-
- // handle the restore result
- if ($restoreResult) {
- $fakeRoot = $view->getRoot();
- $view->chroot('/' . $user . '/files');
- $view->touch('/' . $location . '/' . $uniqueFilename, $mtime);
- $view->chroot($fakeRoot);
- \OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', array('filePath' => \OC\Files\Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename),
- 'trashPath' => \OC\Files\Filesystem::normalizePath($file)));
- if ($view->is_dir($target)) {
- $trashbinSize -= self::calculateSize(new \OC\Files\View('/' . $user . '/' . $target));
- } else {
- $trashbinSize -= $view->filesize($target);
- }
-
- $trashbinSize -= self::restoreVersions($view, $file, $filename, $uniqueFilename, $location, $timestamp);
- $trashbinSize -= self::restoreEncryptionKeys($view, $file, $filename, $uniqueFilename, $location, $timestamp);
-
- if ($timestamp) {
- $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=? AND `id`=? AND `timestamp`=?');
- $query->execute(array($user, $filename, $timestamp));
- }
-
- self::setTrashbinSize($user, $trashbinSize);
-
- // enable proxy
- \OC_FileProxy::$enabled = $proxyStatus;
-
- return true;
- }
-
- // enable proxy
- \OC_FileProxy::$enabled = $proxyStatus;
-
- return false;
- }
-
- /**
- * @brief restore versions from trash bin
- *
- * @param \OC\Files\View $view file view
- * @param $file complete path to file
- * @param $filename name of file once it was deleted
- * @param $uniqueFilename new file name to restore the file without overwriting existing files
- * @param $location location if file
- * @param $timestamp deleteion time
- *
- * @return size of restored versions
- */
- private static function restoreVersions($view, $file, $filename, $uniqueFilename, $location, $timestamp) {
- $size = 0;
-
- if (\OCP\App::isEnabled('files_versions')) {
- // disable proxy to prevent recursive calls
- $proxyStatus = \OC_FileProxy::$enabled;
- \OC_FileProxy::$enabled = false;
-
- $user = \OCP\User::getUser();
- $rootView = new \OC\Files\View('/');
-
- $target = \OC\Files\Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename);
-
- list($owner, $ownerPath) = self::getUidAndFilename($target);
-
- if ($timestamp) {
- $versionedFile = $filename;
- } else {
- $versionedFile = $file;
- }
-
- if ($view->is_dir('/files_trashbin/versions/' . $file)) {
- $size += self::calculateSize(new \OC\Files\View('/' . $user . '/' . 'files_trashbin/versions/' . $file));
- $rootView->rename(\OC\Files\Filesystem::normalizePath($user . '/files_trashbin/versions/' . $file), \OC\Files\Filesystem::normalizePath($owner . '/files_versions/' . $ownerPath));
- } else if ($versions = self::getVersionsFromTrash($versionedFile, $timestamp)) {
- foreach ($versions as $v) {
- if ($timestamp) {
- $size += $view->filesize('files_trashbin/versions/' . $versionedFile . '.v' . $v . '.d' . $timestamp);
- $rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v . '.d' . $timestamp, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
- } else {
- $size += $view->filesize('files_trashbin/versions/' . $versionedFile . '.v' . $v);
- $rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
- }
- }
- }
-
- // enable proxy
- \OC_FileProxy::$enabled = $proxyStatus;
- }
- return $size;
- }
-
- /**
- * @brief restore encryption keys from trash bin
- *
- * @param \OC\Files\View $view
- * @param $file complete path to file
- * @param $filename name of file
- * @param $uniqueFilename new file name to restore the file without overwriting existing files
- * @param $location location of file
- * @param $timestamp deleteion time
- *
- * @return size of restored encrypted file
- */
- private static function restoreEncryptionKeys($view, $file, $filename, $uniqueFilename, $location, $timestamp) {
- // Take care of encryption keys TODO! Get '.key' in file between file name and delete date (also for permanent delete!)
- $size = 0;
- if (\OCP\App::isEnabled('files_encryption')) {
- $user = \OCP\User::getUser();
- $rootView = new \OC\Files\View('/');
-
- $target = \OC\Files\Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename);
-
- list($owner, $ownerPath) = self::getUidAndFilename($target);
-
- $util = new \OCA\Encryption\Util(new \OC_FilesystemView('/'), $user);
-
- if ($util->isSystemWideMountPoint($ownerPath)) {
- $baseDir = '/files_encryption/';
- } else {
- $baseDir = $owner . '/files_encryption/';
- }
-
- $path_parts = pathinfo($file);
- $source_location = $path_parts['dirname'];
-
- if ($view->is_dir('/files_trashbin/keyfiles/' . $file)) {
- if ($source_location != '.') {
- $keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keyfiles/' . $source_location . '/' . $filename);
- $sharekey = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/share-keys/' . $source_location . '/' . $filename);
- } else {
- $keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keyfiles/' . $filename);
- $sharekey = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/share-keys/' . $filename);
- }
- } else {
- $keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keyfiles/' . $source_location . '/' . $filename . '.key');
- }
-
- if ($timestamp) {
- $keyfile .= '.d' . $timestamp;
- }
-
- // disable proxy to prevent recursive calls
- $proxyStatus = \OC_FileProxy::$enabled;
- \OC_FileProxy::$enabled = false;
-
- if ($rootView->file_exists($keyfile)) {
- // handle directory
- if ($rootView->is_dir($keyfile)) {
-
- // handle keyfiles
- $size += self::calculateSize(new \OC\Files\View($keyfile));
- $rootView->rename($keyfile, $baseDir . '/keyfiles/' . $ownerPath);
-
- // handle share-keys
- if ($timestamp) {
- $sharekey .= '.d' . $timestamp;
- }
- $size += self::calculateSize(new \OC\Files\View($sharekey));
- $rootView->rename($sharekey, $baseDir . '/share-keys/' . $ownerPath);
- } else {
- // handle keyfiles
- $size += $rootView->filesize($keyfile);
- $rootView->rename($keyfile, $baseDir . '/keyfiles/' . $ownerPath . '.key');
-
- // handle share-keys
- $ownerShareKey = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/share-keys/' . $source_location . '/' . $filename . '.' . $user . '.shareKey');
- if ($timestamp) {
- $ownerShareKey .= '.d' . $timestamp;
- }
-
- $size += $rootView->filesize($ownerShareKey);
-
- // move only owners key
- $rootView->rename($ownerShareKey, $baseDir . '/share-keys/' . $ownerPath . '.' . $user . '.shareKey');
-
- // try to re-share if file is shared
- $filesystemView = new \OC_FilesystemView('/');
- $session = new \OCA\Encryption\Session($filesystemView);
- $util = new \OCA\Encryption\Util($filesystemView, $user);
-
- // fix the file size
- $absolutePath = \OC\Files\Filesystem::normalizePath('/' . $owner . '/files/' . $ownerPath);
- $util->fixFileSize($absolutePath);
-
- // get current sharing state
- $sharingEnabled = \OCP\Share::isEnabled();
-
- // get users sharing this file
- $usersSharing = $util->getSharingUsersArray($sharingEnabled, $target, $user);
-
- // Attempt to set shareKey
- $util->setSharedFileKeyfiles($session, $usersSharing, $target);
- }
- }
-
- // enable proxy
- \OC_FileProxy::$enabled = $proxyStatus;
- }
- return $size;
- }
-
- /**
- * @brief delete file from trash bin permanently
- *
- * @param $filename path to the file
- * @param $timestamp of deletion time
- *
- * @return size of deleted files
- */
- public static function delete($filename, $timestamp = null) {
- $user = \OCP\User::getUser();
- $view = new \OC\Files\View('/' . $user);
- $size = 0;
-
- $trashbinSize = self::getTrashbinSize($user);
- if ($trashbinSize === false || $trashbinSize < 0) {
- $trashbinSize = self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin'));
- }
-
- if ($timestamp) {
- $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=? AND `id`=? AND `timestamp`=?');
- $query->execute(array($user, $filename, $timestamp));
- $file = $filename . '.d' . $timestamp;
- } else {
- $file = $filename;
- }
-
- $size += self::deleteVersions($view, $file, $filename, $timestamp);
- $size += self::deleteEncryptionKeys($view, $file, $filename, $timestamp);
-
- if ($view->is_dir('/files_trashbin/files/' . $file)) {
- $size += self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin/files/' . $file));
- } else {
- $size += $view->filesize('/files_trashbin/files/' . $file);
- }
- $view->unlink('/files_trashbin/files/' . $file);
- $trashbinSize -= $size;
- self::setTrashbinSize($user, $trashbinSize);
-
- return $size;
- }
-
- private static function deleteVersions($view, $file, $filename, $timestamp) {
- $size = 0;
- if (\OCP\App::isEnabled('files_versions')) {
- $user = \OCP\User::getUser();
- if ($view->is_dir('files_trashbin/versions/' . $file)) {
- $size += self::calculateSize(new \OC\Files\view('/' . $user . '/files_trashbin/versions/' . $file));
- $view->unlink('files_trashbin/versions/' . $file);
- } else if ($versions = self::getVersionsFromTrash($filename, $timestamp)) {
- foreach ($versions as $v) {
- if ($timestamp) {
- $size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
- $view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
- } else {
- $size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v);
- $view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v);
- }
- }
- }
- }
- return $size;
- }
-
- private static function deleteEncryptionKeys($view, $file, $filename, $timestamp) {
- $size = 0;
- if (\OCP\App::isEnabled('files_encryption')) {
- $user = \OCP\User::getUser();
-
- if ($view->is_dir('/files_trashbin/files/' . $file)) {
- $keyfile = \OC\Files\Filesystem::normalizePath('files_trashbin/keyfiles/' . $filename);
- $sharekeys = \OC\Files\Filesystem::normalizePath('files_trashbin/share-keys/' . $filename);
- } else {
- $keyfile = \OC\Files\Filesystem::normalizePath('files_trashbin/keyfiles/' . $filename . '.key');
- $sharekeys = \OC\Files\Filesystem::normalizePath('files_trashbin/share-keys/' . $filename . '.' . $user . '.shareKey');
- }
- if ($timestamp) {
- $keyfile .= '.d' . $timestamp;
- $sharekeys .= '.d' . $timestamp;
- }
- if ($view->file_exists($keyfile)) {
- if ($view->is_dir($keyfile)) {
- $size += self::calculateSize(new \OC\Files\View('/' . $user . '/' . $keyfile));
- $size += self::calculateSize(new \OC\Files\View('/' . $user . '/' . $sharekeys));
- } else {
- $size += $view->filesize($keyfile);
- $size += $view->filesize($sharekeys);
- }
- $view->unlink($keyfile);
- $view->unlink($sharekeys);
- }
- }
- return $size;
- }
-
- /**
- * check to see whether a file exists in trashbin
- * @param $filename path to the file
- * @param $timestamp of deletion time
- * @return true if file exists, otherwise false
- */
- public static function file_exists($filename, $timestamp = null) {
- $user = \OCP\User::getUser();
- $view = new \OC\Files\View('/' . $user);
-
- if ($timestamp) {
- $filename = $filename . '.d' . $timestamp;
- } else {
- $filename = $filename;
- }
-
- $target = \OC\Files\Filesystem::normalizePath('files_trashbin/files/' . $filename);
- return $view->file_exists($target);
- }
-
- /**
- * @brief deletes used space for trash bin in db if user was deleted
- *
- * @param type $uid id of deleted user
- * @return result of db delete operation
- */
- public static function deleteUser($uid) {
- $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=?');
- $result = $query->execute(array($uid));
- if ($result) {
- $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trashsize` WHERE `user`=?');
- return $query->execute(array($uid));
- }
- return false;
- }
-
- /**
- * calculate remaining free space for trash bin
- *
- * @param $trashbinSize current size of the trash bin
- * @return available free space for trash bin
- */
- private static function calculateFreeSpace($trashbinSize) {
- $softQuota = true;
- $user = \OCP\User::getUser();
- $quota = \OC_Preferences::getValue($user, 'files', 'quota');
- $view = new \OC\Files\View('/' . $user);
- if ($quota === null || $quota === 'default') {
- $quota = \OC_Appconfig::getValue('files', 'default_quota');
- }
- if ($quota === null || $quota === 'none') {
- $quota = \OC\Files\Filesystem::free_space('/');
- $softQuota = false;
- } else {
- $quota = \OCP\Util::computerFileSize($quota);
- }
-
- // calculate available space for trash bin
- // subtract size of files and current trash bin size from quota
- if ($softQuota) {
- $rootInfo = $view->getFileInfo('/files/');
- $free = $quota - $rootInfo['size']; // remaining free space for user
- if ($free > 0) {
- $availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $trashbinSize; // how much space can be used for versions
- } else {
- $availableSpace = $free - $trashbinSize;
- }
- } else {
- $availableSpace = $quota;
- }
-
- return $availableSpace;
- }
-
- /**
- * @brief resize trash bin if necessary after a new file was added to ownCloud
- * @param string $user user id
- */
- public static function resizeTrash($user) {
-
- $size = self::getTrashbinSize($user);
-
- if ($size === false || $size < 0) {
- $size = self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin'));
- }
-
- $freeSpace = self::calculateFreeSpace($size);
-
- if ($freeSpace < 0) {
- $newSize = $size - self::expire($size);
- if ($newSize !== $size) {
- self::setTrashbinSize($user, $newSize);
- }
- }
- }
-
- /**
- * clean up the trash bin
- * @param current size of the trash bin
- * @return size of expired files
- */
- private static function expire($trashbinSize) {
-
- $user = \OCP\User::getUser();
- $view = new \OC\Files\View('/' . $user);
- $availableSpace = self::calculateFreeSpace($trashbinSize);
- $size = 0;
-
- $query = \OC_DB::prepare('SELECT `location`,`type`,`id`,`timestamp` FROM `*PREFIX*files_trash` WHERE `user`=?');
- $result = $query->execute(array($user))->fetchAll();
-
- $retention_obligation = \OC_Config::getValue('trashbin_retention_obligation', self::DEFAULT_RETENTION_OBLIGATION);
-
- $limit = time() - ($retention_obligation * 86400);
-
- foreach ($result as $r) {
- $timestamp = $r['timestamp'];
- $filename = $r['id'];
- if ($r['timestamp'] < $limit) {
- $size += self::delete($filename, $timestamp);
- \OC_Log::write('files_trashbin', 'remove "' . $filename . '" fom trash bin because it is older than ' . $retention_obligation, \OC_log::INFO);
- }
- }
- $availableSpace += $size;
- // if size limit for trash bin reached, delete oldest files in trash bin
- if ($availableSpace < 0) {
- $query = \OC_DB::prepare('SELECT `location`,`type`,`id`,`timestamp` FROM `*PREFIX*files_trash`'
- . ' WHERE `user`=? ORDER BY `timestamp` ASC');
- $result = $query->execute(array($user))->fetchAll();
- $length = count($result);
- $i = 0;
- while ($i < $length && $availableSpace < 0) {
- $tmp = self::delete($result[$i]['id'], $result[$i]['timestamp']);
- \OC_Log::write('files_trashbin', 'remove "' . $result[$i]['id'] . '" (' . $tmp . 'B) to meet the limit of trash bin size (50% of available quota)', \OC_log::INFO);
- $availableSpace += $tmp;
- $size += $tmp;
- $i++;
- }
- }
-
- return $size;
- }
-
- /**
- * recursive copy to copy a whole directory
- *
- * @param $source source path, relative to the users files directory
- * @param $destination destination path relative to the users root directoy
- * @param $view file view for the users root directory
- */
- private static function copy_recursive($source, $destination, $view) {
- $size = 0;
- if ($view->is_dir('files' . $source)) {
- $view->mkdir($destination);
- $view->touch($destination, $view->filemtime('files' . $source));
- foreach (\OC_Files::getDirectoryContent($source) as $i) {
- $pathDir = $source . '/' . $i['name'];
- if ($view->is_dir('files' . $pathDir)) {
- $size += self::copy_recursive($pathDir, $destination . '/' . $i['name'], $view);
- } else {
- $size += $view->filesize('files' . $pathDir);
- $view->copy('files' . $pathDir, $destination . '/' . $i['name']);
- $view->touch($destination . '/' . $i['name'], $view->filemtime('files' . $pathDir));
- }
- }
- } else {
- $size += $view->filesize('files' . $source);
- $view->copy('files' . $source, $destination);
- $view->touch($destination, $view->filemtime('files' . $source));
- }
- return $size;
- }
-
- /**
- * find all versions which belong to the file we want to restore
- * @param $filename name of the file which should be restored
- * @param $timestamp timestamp when the file was deleted
- */
- private static function getVersionsFromTrash($filename, $timestamp) {
- $view = new \OC\Files\View('/' . \OCP\User::getUser() . '/files_trashbin/versions');
- $versionsName = $view->getLocalFile($filename) . '.v';
- $escapedVersionsName = preg_replace('/(\*|\?|\[)/', '[$1]', $versionsName);
- $versions = array();
- if ($timestamp) {
- // fetch for old versions
- $matches = glob($escapedVersionsName . '*.d' . $timestamp);
- $offset = -strlen($timestamp) - 2;
- } else {
- $matches = glob($escapedVersionsName . '*');
- }
-
- foreach ($matches as $ma) {
- if ($timestamp) {
- $parts = explode('.v', substr($ma, 0, $offset));
- $versions[] = ( end($parts) );
- } else {
- $parts = explode('.v', $ma);
- $versions[] = ( end($parts) );
- }
- }
- return $versions;
- }
-
- /**
- * find unique extension for restored file if a file with the same name already exists
- * @param $location where the file should be restored
- * @param $filename name of the file
- * @param $view filesystem view relative to users root directory
- * @return string with unique extension
- */
- private static function getUniqueFilename($location, $filename, $view) {
- $ext = pathinfo($filename, PATHINFO_EXTENSION);
- $name = pathinfo($filename, PATHINFO_FILENAME);
- $l = \OC_L10N::get('files_trashbin');
-
- // if extension is not empty we set a dot in front of it
- if ($ext !== '') {
- $ext = '.' . $ext;
- }
-
- if ($view->file_exists('files' . $location . '/' . $filename)) {
- $i = 2;
- $uniqueName = $name . " (".$l->t("restored").")". $ext;
- while ($view->file_exists('files' . $location . '/' . $uniqueName)) {
- $uniqueName = $name . " (".$l->t("restored") . " " . $i . ")" . $ext;
- $i++;
- }
-
- return $uniqueName;
- }
-
- return $filename;
- }
-
- /**
- * @brief get the size from a given root folder
- * @param $view file view on the root folder
- * @return size of the folder
- */
- private static function calculateSize($view) {
- $root = \OCP\Config::getSystemValue('datadirectory') . $view->getAbsolutePath('');
- if (!file_exists($root)) {
- return 0;
- }
- $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($root), \RecursiveIteratorIterator::CHILD_FIRST);
- $size = 0;
-
- foreach ($iterator as $path) {
- $relpath = substr($path, strlen($root) - 1);
- if (!$view->is_dir($relpath)) {
- $size += $view->filesize($relpath);
- }
- }
- return $size;
- }
-
- /**
- * get current size of trash bin from a given user
- *
- * @param $user user who owns the trash bin
- * @return mixed trash bin size or false if no trash bin size is stored
- */
- private static function getTrashbinSize($user) {
- $query = \OC_DB::prepare('SELECT `size` FROM `*PREFIX*files_trashsize` WHERE `user`=?');
- $result = $query->execute(array($user))->fetchAll();
-
- if ($result) {
- return (int)$result[0]['size'];
- }
- return false;
- }
-
- /**
- * write to the database how much space is in use for the trash bin
- *
- * @param $user owner of the trash bin
- * @param $size size of the trash bin
- */
- private static function setTrashbinSize($user, $size) {
- if (self::getTrashbinSize($user) === false) {
- $query = \OC_DB::prepare('INSERT INTO `*PREFIX*files_trashsize` (`size`, `user`) VALUES (?, ?)');
- } else {
- $query = \OC_DB::prepare('UPDATE `*PREFIX*files_trashsize` SET `size`=? WHERE `user`=?');
- }
- $query->execute(array($size, $user));
- }
-
- /**
- * register hooks
- */
- public static function registerHooks() {
- //Listen to delete file signal
- \OCP\Util::connectHook('OC_Filesystem', 'delete', "OCA\Files_Trashbin\Hooks", "remove_hook");
- //Listen to delete user signal
- \OCP\Util::connectHook('OC_User', 'pre_deleteUser', "OCA\Files_Trashbin\Hooks", "deleteUser_hook");
- //Listen to post write hook
- \OCP\Util::connectHook('OC_Filesystem', 'post_write', "OCA\Files_Trashbin\Hooks", "post_write_hook");
- }
-
- /**
- * @brief check if trash bin is empty for a given user
- * @param string $user
- */
- public static function isEmpty($user) {
-
- $view = new \OC\Files\View('/' . $user . '/files_trashbin');
- $content = $view->getDirectoryContent('/files');
-
- if ($content) {
- return false;
- }
-
- return true;
- }
-
- public static function preview_icon($path) {
- return \OC_Helper::linkToRoute( 'core_ajax_trashbin_preview', array('x' => 36, 'y' => 36, 'file' => urlencode($path) ));
- }
-}
--- /dev/null
+<?php
+/**
+ * ownCloud - trash bin
+ *
+ * @author Bjoern Schiessle
+ * @copyright 2013 Bjoern Schiessle schiessle@owncloud.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 Affero General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Files_Trashbin;
+
+class Trashbin {
+ // how long do we keep files in the trash bin if no other value is defined in the config file (unit: days)
+
+ const DEFAULT_RETENTION_OBLIGATION = 30;
+
+ // unit: percentage; 50% of available disk space/quota
+ const DEFAULTMAXSIZE = 50;
+
+ public static function getUidAndFilename($filename) {
+ $uid = \OC\Files\Filesystem::getOwner($filename);
+ \OC\Files\Filesystem::initMountPoints($uid);
+ if ($uid != \OCP\User::getUser()) {
+ $info = \OC\Files\Filesystem::getFileInfo($filename);
+ $ownerView = new \OC\Files\View('/' . $uid . '/files');
+ $filename = $ownerView->getPath($info['fileid']);
+ }
+ return array($uid, $filename);
+ }
+
+ /**
+ * move file to the trash bin
+ *
+ * @param $file_path path to the deleted file/directory relative to the files root directory
+ */
+ public static function move2trash($file_path) {
+ $user = \OCP\User::getUser();
+ $view = new \OC\Files\View('/' . $user);
+ if (!$view->is_dir('files_trashbin')) {
+ $view->mkdir('files_trashbin');
+ }
+ if (!$view->is_dir('files_trashbin/files')) {
+ $view->mkdir('files_trashbin/files');
+ }
+ if (!$view->is_dir('files_trashbin/versions')) {
+ $view->mkdir('files_trashbin/versions');
+ }
+ if (!$view->is_dir('files_trashbin/keyfiles')) {
+ $view->mkdir('files_trashbin/keyfiles');
+ }
+ if (!$view->is_dir('files_trashbin/share-keys')) {
+ $view->mkdir('files_trashbin/share-keys');
+ }
+ $path_parts = pathinfo($file_path);
+
+ $filename = $path_parts['basename'];
+ $location = $path_parts['dirname'];
+ $timestamp = time();
+ $mime = $view->getMimeType('files' . $file_path);
+
+ if ($view->is_dir('files' . $file_path)) {
+ $type = 'dir';
+ } else {
+ $type = 'file';
+ }
+
+ $trashbinSize = self::getTrashbinSize($user);
+ if ($trashbinSize === false || $trashbinSize < 0) {
+ $trashbinSize = self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin'));
+ }
+
+ // disable proxy to prevent recursive calls
+ $proxyStatus = \OC_FileProxy::$enabled;
+ \OC_FileProxy::$enabled = false;
+ $sizeOfAddedFiles = self::copy_recursive($file_path, 'files_trashbin/files/' . $filename . '.d' . $timestamp, $view);
+ \OC_FileProxy::$enabled = $proxyStatus;
+
+ if ($view->file_exists('files_trashbin/files/' . $filename . '.d' . $timestamp)) {
+ $trashbinSize += $sizeOfAddedFiles;
+ $query = \OC_DB::prepare("INSERT INTO `*PREFIX*files_trash` (`id`,`timestamp`,`location`,`type`,`mime`,`user`) VALUES (?,?,?,?,?,?)");
+ $result = $query->execute(array($filename, $timestamp, $location, $type, $mime, $user));
+ if (!$result) { // if file couldn't be added to the database than also don't store it in the trash bin.
+ $view->deleteAll('files_trashbin/files/' . $filename . '.d' . $timestamp);
+ \OC_Log::write('files_trashbin', 'trash bin database couldn\'t be updated', \OC_log::ERROR);
+ return;
+ }
+ \OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_moveToTrash', array('filePath' => \OC\Files\Filesystem::normalizePath($file_path),
+ 'trashPath' => \OC\Files\Filesystem::normalizePath($filename . '.d' . $timestamp)));
+
+ $trashbinSize += self::retainVersions($file_path, $filename, $timestamp);
+ $trashbinSize += self::retainEncryptionKeys($file_path, $filename, $timestamp);
+ } else {
+ \OC_Log::write('files_trashbin', 'Couldn\'t move ' . $file_path . ' to the trash bin', \OC_log::ERROR);
+ }
+
+ $trashbinSize -= self::expire($trashbinSize);
+
+ self::setTrashbinSize($user, $trashbinSize);
+ }
+
+ /**
+ * Move file versions to trash so that they can be restored later
+ *
+ * @param $file_path path to original file
+ * @param $filename of deleted file
+ * @param $timestamp when the file was deleted
+ *
+ * @return size of stored versions
+ */
+ private static function retainVersions($file_path, $filename, $timestamp) {
+ $size = 0;
+ if (\OCP\App::isEnabled('files_versions')) {
+
+ // disable proxy to prevent recursive calls
+ $proxyStatus = \OC_FileProxy::$enabled;
+ \OC_FileProxy::$enabled = false;
+
+ $user = \OCP\User::getUser();
+ $rootView = new \OC\Files\View('/');
+
+ list($owner, $ownerPath) = self::getUidAndFilename($file_path);
+
+ if ($rootView->is_dir($owner . '/files_versions/' . $ownerPath)) {
+ $size += self::calculateSize(new \OC\Files\View('/' . $owner . '/files_versions/' . $ownerPath));
+ $rootView->rename($owner . '/files_versions/' . $ownerPath, $user . '/files_trashbin/versions/' . $filename . '.d' . $timestamp);
+ } else if ($versions = \OCA\Files_Versions\Storage::getVersions($owner, $ownerPath)) {
+ foreach ($versions as $v) {
+ $size += $rootView->filesize($owner . '/files_versions' . $v['path'] . '.v' . $v['version']);
+ $rootView->rename($owner . '/files_versions' . $v['path'] . '.v' . $v['version'], $user . '/files_trashbin/versions/' . $filename . '.v' . $v['version'] . '.d' . $timestamp);
+ }
+ }
+
+ // enable proxy
+ \OC_FileProxy::$enabled = $proxyStatus;
+ }
+
+ return $size;
+ }
+
+ /**
+ * Move encryption keys to trash so that they can be restored later
+ *
+ * @param $file_path path to original file
+ * @param $filename of deleted file
+ * @param $timestamp when the file was deleted
+ *
+ * @return size of encryption keys
+ */
+ private static function retainEncryptionKeys($file_path, $filename, $timestamp) {
+ $size = 0;
+
+ if (\OCP\App::isEnabled('files_encryption')) {
+
+ $user = \OCP\User::getUser();
+ $rootView = new \OC\Files\View('/');
+
+ list($owner, $ownerPath) = self::getUidAndFilename($file_path);
+
+ $util = new \OCA\Encryption\Util(new \OC_FilesystemView('/'), $user);
+
+ // disable proxy to prevent recursive calls
+ $proxyStatus = \OC_FileProxy::$enabled;
+ \OC_FileProxy::$enabled = false;
+
+ if ($util->isSystemWideMountPoint($ownerPath)) {
+ $baseDir = '/files_encryption/';
+ } else {
+ $baseDir = $owner . '/files_encryption/';
+ }
+
+ $keyfile = \OC\Files\Filesystem::normalizePath($baseDir . '/keyfiles/' . $ownerPath);
+
+ if ($rootView->is_dir($keyfile) || $rootView->file_exists($keyfile . '.key')) {
+ // move keyfiles
+ if ($rootView->is_dir($keyfile)) {
+ $size += self::calculateSize(new \OC\Files\View($keyfile));
+ $rootView->rename($keyfile, $user . '/files_trashbin/keyfiles/' . $filename . '.d' . $timestamp);
+ } else {
+ $size += $rootView->filesize($keyfile . '.key');
+ $rootView->rename($keyfile . '.key', $user . '/files_trashbin/keyfiles/' . $filename . '.key.d' . $timestamp);
+ }
+ }
+
+ // retain share keys
+ $sharekeys = \OC\Files\Filesystem::normalizePath($baseDir . '/share-keys/' . $ownerPath);
+
+ if ($rootView->is_dir($sharekeys)) {
+ $size += self::calculateSize(new \OC\Files\View($sharekeys));
+ $rootView->rename($sharekeys, $user . '/files_trashbin/share-keys/' . $filename . '.d' . $timestamp);
+ } else {
+ // get local path to share-keys
+ $localShareKeysPath = $rootView->getLocalFile($sharekeys);
+ $escapedLocalShareKeysPath = preg_replace('/(\*|\?|\[)/', '[$1]', $localShareKeysPath);
+
+ // handle share-keys
+ $matches = glob($escapedLocalShareKeysPath . '*.shareKey');
+ foreach ($matches as $src) {
+ // get source file parts
+ $pathinfo = pathinfo($src);
+
+ // we only want to keep the owners key so we can access the private key
+ $ownerShareKey = $filename . '.' . $user . '.shareKey';
+
+ // if we found the share-key for the owner, we need to move it to files_trashbin
+ if ($pathinfo['basename'] == $ownerShareKey) {
+
+ // calculate size
+ $size += $rootView->filesize($sharekeys . '.' . $user . '.shareKey');
+
+ // move file
+ $rootView->rename($sharekeys . '.' . $user . '.shareKey', $user . '/files_trashbin/share-keys/' . $ownerShareKey . '.d' . $timestamp);
+ } else {
+
+ // calculate size
+ $size += filesize($src);
+
+ // don't keep other share-keys
+ unlink($src);
+ }
+ }
+ }
+
+ // enable proxy
+ \OC_FileProxy::$enabled = $proxyStatus;
+ }
+ return $size;
+ }
+
+ /**
+ * restore files from trash bin
+ * @param $file path to the deleted file
+ * @param $filename name of the file
+ * @param $timestamp time when the file was deleted
+ *
+ * @return bool
+ */
+ public static function restore($file, $filename, $timestamp) {
+
+ $user = \OCP\User::getUser();
+ $view = new \OC\Files\View('/' . $user);
+
+ $trashbinSize = self::getTrashbinSize($user);
+ if ($trashbinSize === false || $trashbinSize < 0) {
+ $trashbinSize = self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin'));
+ }
+ if ($timestamp) {
+ $query = \OC_DB::prepare('SELECT `location`,`type` FROM `*PREFIX*files_trash`'
+ . ' WHERE `user`=? AND `id`=? AND `timestamp`=?');
+ $result = $query->execute(array($user, $filename, $timestamp))->fetchAll();
+ if (count($result) !== 1) {
+ \OC_Log::write('files_trashbin', 'trash bin database inconsistent!', \OC_Log::ERROR);
+ return false;
+ }
+
+ // if location no longer exists, restore file in the root directory
+ $location = $result[0]['location'];
+ if ($result[0]['location'] !== '/' &&
+ (!$view->is_dir('files' . $result[0]['location']) ||
+ !$view->isUpdatable('files' . $result[0]['location']))) {
+ $location = '';
+ }
+ } else {
+ $path_parts = pathinfo($file);
+ $result[] = array(
+ 'location' => $path_parts['dirname'],
+ 'type' => $view->is_dir('/files_trashbin/files/' . $file) ? 'dir' : 'files',
+ );
+ $location = '';
+ }
+
+ // we need a extension in case a file/dir with the same name already exists
+ $uniqueFilename = self::getUniqueFilename($location, $filename, $view);
+
+ $source = \OC\Files\Filesystem::normalizePath('files_trashbin/files/' . $file);
+ $target = \OC\Files\Filesystem::normalizePath('files/' . $location . '/' . $uniqueFilename);
+ $mtime = $view->filemtime($source);
+
+ // disable proxy to prevent recursive calls
+ $proxyStatus = \OC_FileProxy::$enabled;
+ \OC_FileProxy::$enabled = false;
+
+ // restore file
+ $restoreResult = $view->rename($source, $target);
+
+ // handle the restore result
+ if ($restoreResult) {
+ $fakeRoot = $view->getRoot();
+ $view->chroot('/' . $user . '/files');
+ $view->touch('/' . $location . '/' . $uniqueFilename, $mtime);
+ $view->chroot($fakeRoot);
+ \OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', array('filePath' => \OC\Files\Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename),
+ 'trashPath' => \OC\Files\Filesystem::normalizePath($file)));
+ if ($view->is_dir($target)) {
+ $trashbinSize -= self::calculateSize(new \OC\Files\View('/' . $user . '/' . $target));
+ } else {
+ $trashbinSize -= $view->filesize($target);
+ }
+
+ $trashbinSize -= self::restoreVersions($view, $file, $filename, $uniqueFilename, $location, $timestamp);
+ $trashbinSize -= self::restoreEncryptionKeys($view, $file, $filename, $uniqueFilename, $location, $timestamp);
+
+ if ($timestamp) {
+ $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=? AND `id`=? AND `timestamp`=?');
+ $query->execute(array($user, $filename, $timestamp));
+ }
+
+ self::setTrashbinSize($user, $trashbinSize);
+
+ // enable proxy
+ \OC_FileProxy::$enabled = $proxyStatus;
+
+ return true;
+ }
+
+ // enable proxy
+ \OC_FileProxy::$enabled = $proxyStatus;
+
+ return false;
+ }
+
+ /**
+ * @brief restore versions from trash bin
+ *
+ * @param \OC\Files\View $view file view
+ * @param $file complete path to file
+ * @param $filename name of file once it was deleted
+ * @param $uniqueFilename new file name to restore the file without overwriting existing files
+ * @param $location location if file
+ * @param $timestamp deleteion time
+ *
+ * @return size of restored versions
+ */
+ private static function restoreVersions($view, $file, $filename, $uniqueFilename, $location, $timestamp) {
+ $size = 0;
+
+ if (\OCP\App::isEnabled('files_versions')) {
+ // disable proxy to prevent recursive calls
+ $proxyStatus = \OC_FileProxy::$enabled;
+ \OC_FileProxy::$enabled = false;
+
+ $user = \OCP\User::getUser();
+ $rootView = new \OC\Files\View('/');
+
+ $target = \OC\Files\Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename);
+
+ list($owner, $ownerPath) = self::getUidAndFilename($target);
+
+ if ($timestamp) {
+ $versionedFile = $filename;
+ } else {
+ $versionedFile = $file;
+ }
+
+ if ($view->is_dir('/files_trashbin/versions/' . $file)) {
+ $size += self::calculateSize(new \OC\Files\View('/' . $user . '/' . 'files_trashbin/versions/' . $file));
+ $rootView->rename(\OC\Files\Filesystem::normalizePath($user . '/files_trashbin/versions/' . $file), \OC\Files\Filesystem::normalizePath($owner . '/files_versions/' . $ownerPath));
+ } else if ($versions = self::getVersionsFromTrash($versionedFile, $timestamp)) {
+ foreach ($versions as $v) {
+ if ($timestamp) {
+ $size += $view->filesize('files_trashbin/versions/' . $versionedFile . '.v' . $v . '.d' . $timestamp);
+ $rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v . '.d' . $timestamp, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
+ } else {
+ $size += $view->filesize('files_trashbin/versions/' . $versionedFile . '.v' . $v);
+ $rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
+ }
+ }
+ }
+
+ // enable proxy
+ \OC_FileProxy::$enabled = $proxyStatus;
+ }
+ return $size;
+ }
+
+ /**
+ * @brief restore encryption keys from trash bin
+ *
+ * @param \OC\Files\View $view
+ * @param $file complete path to file
+ * @param $filename name of file
+ * @param $uniqueFilename new file name to restore the file without overwriting existing files
+ * @param $location location of file
+ * @param $timestamp deleteion time
+ *
+ * @return size of restored encrypted file
+ */
+ private static function restoreEncryptionKeys($view, $file, $filename, $uniqueFilename, $location, $timestamp) {
+ // Take care of encryption keys TODO! Get '.key' in file between file name and delete date (also for permanent delete!)
+ $size = 0;
+ if (\OCP\App::isEnabled('files_encryption')) {
+ $user = \OCP\User::getUser();
+ $rootView = new \OC\Files\View('/');
+
+ $target = \OC\Files\Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename);
+
+ list($owner, $ownerPath) = self::getUidAndFilename($target);
+
+ $util = new \OCA\Encryption\Util(new \OC_FilesystemView('/'), $user);
+
+ if ($util->isSystemWideMountPoint($ownerPath)) {
+ $baseDir = '/files_encryption/';
+ } else {
+ $baseDir = $owner . '/files_encryption/';
+ }
+
+ $path_parts = pathinfo($file);
+ $source_location = $path_parts['dirname'];
+
+ if ($view->is_dir('/files_trashbin/keyfiles/' . $file)) {
+ if ($source_location != '.') {
+ $keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keyfiles/' . $source_location . '/' . $filename);
+ $sharekey = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/share-keys/' . $source_location . '/' . $filename);
+ } else {
+ $keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keyfiles/' . $filename);
+ $sharekey = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/share-keys/' . $filename);
+ }
+ } else {
+ $keyfile = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/keyfiles/' . $source_location . '/' . $filename . '.key');
+ }
+
+ if ($timestamp) {
+ $keyfile .= '.d' . $timestamp;
+ }
+
+ // disable proxy to prevent recursive calls
+ $proxyStatus = \OC_FileProxy::$enabled;
+ \OC_FileProxy::$enabled = false;
+
+ if ($rootView->file_exists($keyfile)) {
+ // handle directory
+ if ($rootView->is_dir($keyfile)) {
+
+ // handle keyfiles
+ $size += self::calculateSize(new \OC\Files\View($keyfile));
+ $rootView->rename($keyfile, $baseDir . '/keyfiles/' . $ownerPath);
+
+ // handle share-keys
+ if ($timestamp) {
+ $sharekey .= '.d' . $timestamp;
+ }
+ $size += self::calculateSize(new \OC\Files\View($sharekey));
+ $rootView->rename($sharekey, $baseDir . '/share-keys/' . $ownerPath);
+ } else {
+ // handle keyfiles
+ $size += $rootView->filesize($keyfile);
+ $rootView->rename($keyfile, $baseDir . '/keyfiles/' . $ownerPath . '.key');
+
+ // handle share-keys
+ $ownerShareKey = \OC\Files\Filesystem::normalizePath($user . '/files_trashbin/share-keys/' . $source_location . '/' . $filename . '.' . $user . '.shareKey');
+ if ($timestamp) {
+ $ownerShareKey .= '.d' . $timestamp;
+ }
+
+ $size += $rootView->filesize($ownerShareKey);
+
+ // move only owners key
+ $rootView->rename($ownerShareKey, $baseDir . '/share-keys/' . $ownerPath . '.' . $user . '.shareKey');
+
+ // try to re-share if file is shared
+ $filesystemView = new \OC_FilesystemView('/');
+ $session = new \OCA\Encryption\Session($filesystemView);
+ $util = new \OCA\Encryption\Util($filesystemView, $user);
+
+ // fix the file size
+ $absolutePath = \OC\Files\Filesystem::normalizePath('/' . $owner . '/files/' . $ownerPath);
+ $util->fixFileSize($absolutePath);
+
+ // get current sharing state
+ $sharingEnabled = \OCP\Share::isEnabled();
+
+ // get users sharing this file
+ $usersSharing = $util->getSharingUsersArray($sharingEnabled, $target, $user);
+
+ // Attempt to set shareKey
+ $util->setSharedFileKeyfiles($session, $usersSharing, $target);
+ }
+ }
+
+ // enable proxy
+ \OC_FileProxy::$enabled = $proxyStatus;
+ }
+ return $size;
+ }
+
+ /**
+ * @brief delete file from trash bin permanently
+ *
+ * @param $filename path to the file
+ * @param $timestamp of deletion time
+ *
+ * @return size of deleted files
+ */
+ public static function delete($filename, $timestamp = null) {
+ $user = \OCP\User::getUser();
+ $view = new \OC\Files\View('/' . $user);
+ $size = 0;
+
+ $trashbinSize = self::getTrashbinSize($user);
+ if ($trashbinSize === false || $trashbinSize < 0) {
+ $trashbinSize = self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin'));
+ }
+
+ if ($timestamp) {
+ $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=? AND `id`=? AND `timestamp`=?');
+ $query->execute(array($user, $filename, $timestamp));
+ $file = $filename . '.d' . $timestamp;
+ } else {
+ $file = $filename;
+ }
+
+ $size += self::deleteVersions($view, $file, $filename, $timestamp);
+ $size += self::deleteEncryptionKeys($view, $file, $filename, $timestamp);
+
+ if ($view->is_dir('/files_trashbin/files/' . $file)) {
+ $size += self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin/files/' . $file));
+ } else {
+ $size += $view->filesize('/files_trashbin/files/' . $file);
+ }
+ $view->unlink('/files_trashbin/files/' . $file);
+ $trashbinSize -= $size;
+ self::setTrashbinSize($user, $trashbinSize);
+
+ return $size;
+ }
+
+ private static function deleteVersions($view, $file, $filename, $timestamp) {
+ $size = 0;
+ if (\OCP\App::isEnabled('files_versions')) {
+ $user = \OCP\User::getUser();
+ if ($view->is_dir('files_trashbin/versions/' . $file)) {
+ $size += self::calculateSize(new \OC\Files\view('/' . $user . '/files_trashbin/versions/' . $file));
+ $view->unlink('files_trashbin/versions/' . $file);
+ } else if ($versions = self::getVersionsFromTrash($filename, $timestamp)) {
+ foreach ($versions as $v) {
+ if ($timestamp) {
+ $size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
+ $view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
+ } else {
+ $size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v);
+ $view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v);
+ }
+ }
+ }
+ }
+ return $size;
+ }
+
+ private static function deleteEncryptionKeys($view, $file, $filename, $timestamp) {
+ $size = 0;
+ if (\OCP\App::isEnabled('files_encryption')) {
+ $user = \OCP\User::getUser();
+
+ if ($view->is_dir('/files_trashbin/files/' . $file)) {
+ $keyfile = \OC\Files\Filesystem::normalizePath('files_trashbin/keyfiles/' . $filename);
+ $sharekeys = \OC\Files\Filesystem::normalizePath('files_trashbin/share-keys/' . $filename);
+ } else {
+ $keyfile = \OC\Files\Filesystem::normalizePath('files_trashbin/keyfiles/' . $filename . '.key');
+ $sharekeys = \OC\Files\Filesystem::normalizePath('files_trashbin/share-keys/' . $filename . '.' . $user . '.shareKey');
+ }
+ if ($timestamp) {
+ $keyfile .= '.d' . $timestamp;
+ $sharekeys .= '.d' . $timestamp;
+ }
+ if ($view->file_exists($keyfile)) {
+ if ($view->is_dir($keyfile)) {
+ $size += self::calculateSize(new \OC\Files\View('/' . $user . '/' . $keyfile));
+ $size += self::calculateSize(new \OC\Files\View('/' . $user . '/' . $sharekeys));
+ } else {
+ $size += $view->filesize($keyfile);
+ $size += $view->filesize($sharekeys);
+ }
+ $view->unlink($keyfile);
+ $view->unlink($sharekeys);
+ }
+ }
+ return $size;
+ }
+
+ /**
+ * check to see whether a file exists in trashbin
+ * @param $filename path to the file
+ * @param $timestamp of deletion time
+ * @return true if file exists, otherwise false
+ */
+ public static function file_exists($filename, $timestamp = null) {
+ $user = \OCP\User::getUser();
+ $view = new \OC\Files\View('/' . $user);
+
+ if ($timestamp) {
+ $filename = $filename . '.d' . $timestamp;
+ } else {
+ $filename = $filename;
+ }
+
+ $target = \OC\Files\Filesystem::normalizePath('files_trashbin/files/' . $filename);
+ return $view->file_exists($target);
+ }
+
+ /**
+ * @brief deletes used space for trash bin in db if user was deleted
+ *
+ * @param type $uid id of deleted user
+ * @return result of db delete operation
+ */
+ public static function deleteUser($uid) {
+ $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=?');
+ $result = $query->execute(array($uid));
+ if ($result) {
+ $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trashsize` WHERE `user`=?');
+ return $query->execute(array($uid));
+ }
+ return false;
+ }
+
+ /**
+ * calculate remaining free space for trash bin
+ *
+ * @param $trashbinSize current size of the trash bin
+ * @return available free space for trash bin
+ */
+ private static function calculateFreeSpace($trashbinSize) {
+ $softQuota = true;
+ $user = \OCP\User::getUser();
+ $quota = \OC_Preferences::getValue($user, 'files', 'quota');
+ $view = new \OC\Files\View('/' . $user);
+ if ($quota === null || $quota === 'default') {
+ $quota = \OC_Appconfig::getValue('files', 'default_quota');
+ }
+ if ($quota === null || $quota === 'none') {
+ $quota = \OC\Files\Filesystem::free_space('/');
+ $softQuota = false;
+ } else {
+ $quota = \OCP\Util::computerFileSize($quota);
+ }
+
+ // calculate available space for trash bin
+ // subtract size of files and current trash bin size from quota
+ if ($softQuota) {
+ $rootInfo = $view->getFileInfo('/files/');
+ $free = $quota - $rootInfo['size']; // remaining free space for user
+ if ($free > 0) {
+ $availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $trashbinSize; // how much space can be used for versions
+ } else {
+ $availableSpace = $free - $trashbinSize;
+ }
+ } else {
+ $availableSpace = $quota;
+ }
+
+ return $availableSpace;
+ }
+
+ /**
+ * @brief resize trash bin if necessary after a new file was added to ownCloud
+ * @param string $user user id
+ */
+ public static function resizeTrash($user) {
+
+ $size = self::getTrashbinSize($user);
+
+ if ($size === false || $size < 0) {
+ $size = self::calculateSize(new \OC\Files\View('/' . $user . '/files_trashbin'));
+ }
+
+ $freeSpace = self::calculateFreeSpace($size);
+
+ if ($freeSpace < 0) {
+ $newSize = $size - self::expire($size);
+ if ($newSize !== $size) {
+ self::setTrashbinSize($user, $newSize);
+ }
+ }
+ }
+
+ /**
+ * clean up the trash bin
+ * @param current size of the trash bin
+ * @return size of expired files
+ */
+ private static function expire($trashbinSize) {
+
+ $user = \OCP\User::getUser();
+ $view = new \OC\Files\View('/' . $user);
+ $availableSpace = self::calculateFreeSpace($trashbinSize);
+ $size = 0;
+
+ $query = \OC_DB::prepare('SELECT `location`,`type`,`id`,`timestamp` FROM `*PREFIX*files_trash` WHERE `user`=?');
+ $result = $query->execute(array($user))->fetchAll();
+
+ $retention_obligation = \OC_Config::getValue('trashbin_retention_obligation', self::DEFAULT_RETENTION_OBLIGATION);
+
+ $limit = time() - ($retention_obligation * 86400);
+
+ foreach ($result as $r) {
+ $timestamp = $r['timestamp'];
+ $filename = $r['id'];
+ if ($r['timestamp'] < $limit) {
+ $size += self::delete($filename, $timestamp);
+ \OC_Log::write('files_trashbin', 'remove "' . $filename . '" fom trash bin because it is older than ' . $retention_obligation, \OC_log::INFO);
+ }
+ }
+ $availableSpace += $size;
+ // if size limit for trash bin reached, delete oldest files in trash bin
+ if ($availableSpace < 0) {
+ $query = \OC_DB::prepare('SELECT `location`,`type`,`id`,`timestamp` FROM `*PREFIX*files_trash`'
+ . ' WHERE `user`=? ORDER BY `timestamp` ASC');
+ $result = $query->execute(array($user))->fetchAll();
+ $length = count($result);
+ $i = 0;
+ while ($i < $length && $availableSpace < 0) {
+ $tmp = self::delete($result[$i]['id'], $result[$i]['timestamp']);
+ \OC_Log::write('files_trashbin', 'remove "' . $result[$i]['id'] . '" (' . $tmp . 'B) to meet the limit of trash bin size (50% of available quota)', \OC_log::INFO);
+ $availableSpace += $tmp;
+ $size += $tmp;
+ $i++;
+ }
+ }
+
+ return $size;
+ }
+
+ /**
+ * recursive copy to copy a whole directory
+ *
+ * @param $source source path, relative to the users files directory
+ * @param $destination destination path relative to the users root directoy
+ * @param $view file view for the users root directory
+ */
+ private static function copy_recursive($source, $destination, $view) {
+ $size = 0;
+ if ($view->is_dir('files' . $source)) {
+ $view->mkdir($destination);
+ $view->touch($destination, $view->filemtime('files' . $source));
+ foreach (\OC_Files::getDirectoryContent($source) as $i) {
+ $pathDir = $source . '/' . $i['name'];
+ if ($view->is_dir('files' . $pathDir)) {
+ $size += self::copy_recursive($pathDir, $destination . '/' . $i['name'], $view);
+ } else {
+ $size += $view->filesize('files' . $pathDir);
+ $view->copy('files' . $pathDir, $destination . '/' . $i['name']);
+ $view->touch($destination . '/' . $i['name'], $view->filemtime('files' . $pathDir));
+ }
+ }
+ } else {
+ $size += $view->filesize('files' . $source);
+ $view->copy('files' . $source, $destination);
+ $view->touch($destination, $view->filemtime('files' . $source));
+ }
+ return $size;
+ }
+
+ /**
+ * find all versions which belong to the file we want to restore
+ * @param $filename name of the file which should be restored
+ * @param $timestamp timestamp when the file was deleted
+ */
+ private static function getVersionsFromTrash($filename, $timestamp) {
+ $view = new \OC\Files\View('/' . \OCP\User::getUser() . '/files_trashbin/versions');
+ $versionsName = $view->getLocalFile($filename) . '.v';
+ $escapedVersionsName = preg_replace('/(\*|\?|\[)/', '[$1]', $versionsName);
+ $versions = array();
+ if ($timestamp) {
+ // fetch for old versions
+ $matches = glob($escapedVersionsName . '*.d' . $timestamp);
+ $offset = -strlen($timestamp) - 2;
+ } else {
+ $matches = glob($escapedVersionsName . '*');
+ }
+
+ foreach ($matches as $ma) {
+ if ($timestamp) {
+ $parts = explode('.v', substr($ma, 0, $offset));
+ $versions[] = ( end($parts) );
+ } else {
+ $parts = explode('.v', $ma);
+ $versions[] = ( end($parts) );
+ }
+ }
+ return $versions;
+ }
+
+ /**
+ * find unique extension for restored file if a file with the same name already exists
+ * @param $location where the file should be restored
+ * @param $filename name of the file
+ * @param $view filesystem view relative to users root directory
+ * @return string with unique extension
+ */
+ private static function getUniqueFilename($location, $filename, $view) {
+ $ext = pathinfo($filename, PATHINFO_EXTENSION);
+ $name = pathinfo($filename, PATHINFO_FILENAME);
+ $l = \OC_L10N::get('files_trashbin');
+
+ // if extension is not empty we set a dot in front of it
+ if ($ext !== '') {
+ $ext = '.' . $ext;
+ }
+
+ if ($view->file_exists('files' . $location . '/' . $filename)) {
+ $i = 2;
+ $uniqueName = $name . " (".$l->t("restored").")". $ext;
+ while ($view->file_exists('files' . $location . '/' . $uniqueName)) {
+ $uniqueName = $name . " (".$l->t("restored") . " " . $i . ")" . $ext;
+ $i++;
+ }
+
+ return $uniqueName;
+ }
+
+ return $filename;
+ }
+
+ /**
+ * @brief get the size from a given root folder
+ * @param $view file view on the root folder
+ * @return size of the folder
+ */
+ private static function calculateSize($view) {
+ $root = \OCP\Config::getSystemValue('datadirectory') . $view->getAbsolutePath('');
+ if (!file_exists($root)) {
+ return 0;
+ }
+ $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($root), \RecursiveIteratorIterator::CHILD_FIRST);
+ $size = 0;
+
+ foreach ($iterator as $path) {
+ $relpath = substr($path, strlen($root) - 1);
+ if (!$view->is_dir($relpath)) {
+ $size += $view->filesize($relpath);
+ }
+ }
+ return $size;
+ }
+
+ /**
+ * get current size of trash bin from a given user
+ *
+ * @param $user user who owns the trash bin
+ * @return mixed trash bin size or false if no trash bin size is stored
+ */
+ private static function getTrashbinSize($user) {
+ $query = \OC_DB::prepare('SELECT `size` FROM `*PREFIX*files_trashsize` WHERE `user`=?');
+ $result = $query->execute(array($user))->fetchAll();
+
+ if ($result) {
+ return (int)$result[0]['size'];
+ }
+ return false;
+ }
+
+ /**
+ * write to the database how much space is in use for the trash bin
+ *
+ * @param $user owner of the trash bin
+ * @param $size size of the trash bin
+ */
+ private static function setTrashbinSize($user, $size) {
+ if (self::getTrashbinSize($user) === false) {
+ $query = \OC_DB::prepare('INSERT INTO `*PREFIX*files_trashsize` (`size`, `user`) VALUES (?, ?)');
+ } else {
+ $query = \OC_DB::prepare('UPDATE `*PREFIX*files_trashsize` SET `size`=? WHERE `user`=?');
+ }
+ $query->execute(array($size, $user));
+ }
+
+ /**
+ * register hooks
+ */
+ public static function registerHooks() {
+ //Listen to delete file signal
+ \OCP\Util::connectHook('OC_Filesystem', 'delete', "OCA\Files_Trashbin\Hooks", "remove_hook");
+ //Listen to delete user signal
+ \OCP\Util::connectHook('OC_User', 'pre_deleteUser', "OCA\Files_Trashbin\Hooks", "deleteUser_hook");
+ //Listen to post write hook
+ \OCP\Util::connectHook('OC_Filesystem', 'post_write', "OCA\Files_Trashbin\Hooks", "post_write_hook");
+ }
+
+ /**
+ * @brief check if trash bin is empty for a given user
+ * @param string $user
+ */
+ public static function isEmpty($user) {
+
+ $view = new \OC\Files\View('/' . $user . '/files_trashbin');
+ $content = $view->getDirectoryContent('/files');
+
+ if ($content) {
+ return false;
+ }
+
+ return true;
+ }
+
+ public static function preview_icon($path) {
+ return \OC_Helper::linkToRoute( 'core_ajax_trashbin_preview', array('x' => 36, 'y' => 36, 'file' => urlencode($path) ));
+ }
+}