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@ -1,67 +1,67 @@ |
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<?php |
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/** |
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* ownCloud - trash bin |
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* |
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* @author Bjoern Schiessle |
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* @copyright 2013 Bjoern Schiessle schiessle@owncloud.com |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE |
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* License as published by the Free Software Foundation; either |
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* version 3 of the License, or any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public |
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* License along with this library. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\Files_Trashbin; |
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/** |
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* ownCloud - trash bin |
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* |
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* @author Bjoern Schiessle |
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* @copyright 2013 Bjoern Schiessle schiessle@owncloud.com |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE |
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* License as published by the Free Software Foundation; either |
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* version 3 of the License, or any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public |
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* License along with this library. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\Files_Trashbin; |
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class Trashbin { |
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// how long do we keep files in the trash bin if no other value is defined in the config file (unit: days) |
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const DEFAULT_RETENTION_OBLIGATION=180; |
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// unit: percentage; 50% of available disk space/quota |
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const DEFAULTMAXSIZE=50; |
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/** |
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* move file to the trash bin |
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* |
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* |
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* @param $file_path path to the deleted file/directory relative to the files root directory |
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*/ |
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public static function move2trash($file_path) { |
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$user = \OCP\User::getUser(); |
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$view = new \OC_FilesystemView('/'. $user); |
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if (!$view->is_dir('files_trashbin')) { |
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$view->mkdir('files_trashbin'); |
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$view->mkdir("versions_trashbin"); |
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} |
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$path_parts = pathinfo($file_path); |
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$deleted = $path_parts['basename']; |
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$location = $path_parts['dirname']; |
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$timestamp = time(); |
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$mime = $view->getMimeType('files'.$file_path); |
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if ( $view->is_dir('files'.$file_path) ) { |
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$type = 'dir'; |
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} else { |
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$type = 'file'; |
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$view = new \OC_FilesystemView('/'. $user); |
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if (!$view->is_dir('files_trashbin')) { |
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$view->mkdir('files_trashbin'); |
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$view->mkdir("versions_trashbin"); |
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} |
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if ( ($trashbinSize = \OCP\Config::getAppValue('files_trashbin', 'size')) === null ) { |
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$path_parts = pathinfo($file_path); |
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$deleted = $path_parts['basename']; |
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$location = $path_parts['dirname']; |
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$timestamp = time(); |
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$mime = $view->getMimeType('files'.$file_path); |
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if ( $view->is_dir('files'.$file_path) ) { |
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$type = 'dir'; |
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} else { |
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$type = 'file'; |
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} |
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if ( ($trashbinSize = \OCP\Config::getAppValue('files_trashbin', 'size')) === null ) { |
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$trashbinSize = self::calculateSize(new \OC_FilesystemView('/'. $user.'/files_trashbin')); |
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$trashbinSize += self::calculateSize(new \OC_FilesystemView('/'. $user.'/versions_trashbin')); |
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$trashbinSize += self::calculateSize(new \OC_FilesystemView('/'. $user.'/versions_trashbin')); |
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} |
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$trashbinSize += self::copy_recursive($file_path, 'files_trashbin/'.$deleted.'.d'.$timestamp, $view); |
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if ( $view->file_exists('files_trashbin/'.$deleted.'.d'.$timestamp) ) { |
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if ( $view->file_exists('files_trashbin/'.$deleted.'.d'.$timestamp) ) { |
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$query = \OC_DB::prepare("INSERT INTO *PREFIX*files_trash (id,timestamp,location,type,mime,user)" |
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." VALUES (?,?,?,?,?,?)"); |
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$result = $query->execute(array($deleted, $timestamp, $location, $type, $mime, $user)); |
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@ -69,49 +69,49 @@ class Trashbin { |
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$view->deleteAll('files_trashbin/'.$deleted.'.d'.$timestamp); |
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\OC_Log::write('files_trashbin', 'trash bin database couldn\'t be updated', \OC_log::ERROR); |
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return; |
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} |
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if ( \OCP\App::isEnabled('files_versions') ) { |
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} |
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if ( \OCP\App::isEnabled('files_versions') ) { |
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if ( $view->is_dir('files_versions'.$file_path) ) { |
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$trashbinSize += self::calculateSize( |
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new \OC_FilesystemView('/'. $user.'/files_versions/'.$file_path) |
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); |
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$view->rename('files_versions'.$file_path, 'versions_trashbin/'. $deleted.'.d'.$timestamp); |
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} else if ( $versions = \OCA\Files_Versions\Storage::getVersions($file_path) ) { |
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$view->rename('files_versions'.$file_path, 'versions_trashbin/'. $deleted.'.d'.$timestamp); |
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} else if ( $versions = \OCA\Files_Versions\Storage::getVersions($file_path) ) { |
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foreach ($versions as $v) { |
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$trashbinSize += $view->filesize('files_versions'.$v['path'].'.v'.$v['version']); |
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$trashbinSize += $view->filesize('files_versions'.$v['path'].'.v'.$v['version']); |
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$view->rename('files_versions'.$v['path'].'.v'.$v['version'], |
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'versions_trashbin/'. $deleted.'.v'.$v['version'].'.d'.$timestamp); |
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} |
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} |
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} |
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} |
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} |
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} else { |
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\OC_Log::write('files_trashbin', 'Couldn\'t move '.$file_path.' to the trash bin', \OC_log::ERROR); |
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} |
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// get available disk space for user |
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$quota = \OCP\Util::computerFileSize(\OC_Preferences::getValue($user, 'files', 'quota')); |
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if ( $quota == null ) { |
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$quota = \OCP\Util::computerFileSize(\OC_Appconfig::getValue('files', 'default_quota')); |
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} |
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if ( $quota == null ) { |
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$quota = \OC\Files\Filesystem::free_space('/'); |
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// get available disk space for user |
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$quota = \OCP\Util::computerFileSize(\OC_Preferences::getValue($user, 'files', 'quota')); |
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if ( $quota == null ) { |
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$quota = \OCP\Util::computerFileSize(\OC_Appconfig::getValue('files', 'default_quota')); |
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} |
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if ( $quota == null ) { |
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$quota = \OC\Files\Filesystem::free_space('/'); |
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} |
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// calculate available space for trash bin |
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$rootInfo = $view->getFileInfo('/files'); |
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$free = $quota-$rootInfo['size']; // remaining free space for user |
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if ( $free > 0 ) { |
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$availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $trashbinSize; // how much space can be used for versions |
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} else { |
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$availableSpace = $free-$trashbinSize; |
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// calculate available space for trash bin |
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$rootInfo = $view->getFileInfo('/files'); |
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$free = $quota-$rootInfo['size']; // remaining free space for user |
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if ( $free > 0 ) { |
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$availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $trashbinSize; // how much space can be used for versions |
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} else { |
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$availableSpace = $free-$trashbinSize; |
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} |
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$trashbinSize -= self::expire($availableSpace); |
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\OCP\Config::setAppValue('files_trashbin', 'size', $trashbinSize); |
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\OCP\Config::setAppValue('files_trashbin', 'size', $trashbinSize); |
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} |
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/** |
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* restore files from trash bin |
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* @param $file path to the deleted file |
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@ -121,10 +121,10 @@ class Trashbin { |
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public static function restore($file, $filename, $timestamp) { |
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$user = \OCP\User::getUser(); |
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$view = new \OC_FilesystemView('/'.$user); |
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if ( ($trashbinSize = \OCP\Config::getAppValue('files_trashbin', 'size')) === null ) { |
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$trashbinSize = self::calculateSize(new \OC_FilesystemView('/'. $user.'/files_trashbin')); |
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$trashbinSize += self::calculateSize(new \OC_FilesystemView('/'. $user.'/versions_trashbin')); |
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if ( ($trashbinSize = \OCP\Config::getAppValue('files_trashbin', 'size')) === null ) { |
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$trashbinSize = self::calculateSize(new \OC_FilesystemView('/'. $user.'/files_trashbin')); |
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$trashbinSize += self::calculateSize(new \OC_FilesystemView('/'. $user.'/versions_trashbin')); |
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} |
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if ( $timestamp ) { |
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$query = \OC_DB::prepare('SELECT location,type FROM *PREFIX*files_trash' |
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@ -134,13 +134,13 @@ class Trashbin { |
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\OC_Log::write('files_trashbin', 'trash bin database inconsistent!', \OC_Log::ERROR); |
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return false; |
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} |
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// if location no longer exists, restore file in the root directory |
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$location = $result[0]['location']; |
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if ( $result[0]['location'] != '/' && |
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// if location no longer exists, restore file in the root directory |
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$location = $result[0]['location']; |
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if ( $result[0]['location'] != '/' && |
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(!$view->is_dir('files'.$result[0]['location']) || |
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!$view->isUpdatable('files'.$result[0]['location'])) ) { |
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$location = ''; |
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!$view->isUpdatable('files'.$result[0]['location'])) ) { |
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$location = ''; |
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} |
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} else { |
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$path_parts = pathinfo($filename); |
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@ -150,10 +150,10 @@ class Trashbin { |
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); |
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$location = ''; |
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} |
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$source = \OC_Filesystem::normalizePath('files_trashbin/'.$file); |
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$target = \OC_Filesystem::normalizePath('files/'.$location.'/'.$filename); |
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// we need a extension in case a file/dir with the same name already exists |
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$ext = self::getUniqueExtension($location, $filename, $view); |
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$mtime = $view->filemtime($source); |
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@ -170,14 +170,14 @@ class Trashbin { |
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$versionedFile = $filename; |
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} else { |
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$versionedFile = $file; |
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} |
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} |
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if ( $result[0]['type'] == 'dir' ) { |
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$trashbinSize -= self::calculateSize( |
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new \OC_FilesystemView('/'.$user.'/'.'versions_trashbin/'. $file) |
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); |
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$view->rename(\OC_Filesystem::normalizePath('versions_trashbin/'. $file), |
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\OC_Filesystem::normalizePath('files_versions/'.$location.'/'.$filename.$ext)); |
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} else if ( $versions = self::getVersionsFromTrash($versionedFile, $timestamp) ) { |
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} else if ( $versions = self::getVersionsFromTrash($versionedFile, $timestamp) ) { |
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foreach ($versions as $v) { |
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if ($timestamp ) { |
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$trashbinSize -= $view->filesize('versions_trashbin/'.$versionedFile.'.v'.$v.'.d'.$timestamp); |
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@ -187,13 +187,13 @@ class Trashbin { |
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$trashbinSize -= $view->filesize('versions_trashbin/'.$versionedFile.'.v'.$v); |
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$view->rename('versions_trashbin/'.$versionedFile.'.v'.$v, |
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'files_versions/'.$location.'/'.$filename.$ext.'.v'.$v); |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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if ( $timestamp ) { |
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$query = \OC_DB::prepare('DELETE FROM *PREFIX*files_trash WHERE user=? AND id=? AND timestamp=?'); |
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$query = \OC_DB::prepare('DELETE FROM *PREFIX*files_trash WHERE user=? AND id=? AND timestamp=?'); |
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$query->execute(array($user,$filename,$timestamp)); |
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} |
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@ -205,31 +205,31 @@ class Trashbin { |
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return false; |
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} |
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/** |
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* delete file from trash bin permanently |
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/** |
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* delete file from trash bin permanently |
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* @param $filename path to the file |
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* @param $timestamp of deletion time |
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* @return size of deleted files |
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*/ |
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public static function delete($filename, $timestamp=null) { |
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$user = \OCP\User::getUser(); |
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* @param $timestamp of deletion time |
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* @return size of deleted files |
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*/ |
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public static function delete($filename, $timestamp=null) { |
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$user = \OCP\User::getUser(); |
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$view = new \OC_FilesystemView('/'.$user); |
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$size = 0; |
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if ( ($trashbinSize = \OCP\Config::getAppValue('files_trashbin', 'size')) === null ) { |
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$trashbinSize = self::calculateSize(new \OC_FilesystemView('/'. $user.'/files_trashbin')); |
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$trashbinSize += self::calculateSize(new \OC_FilesystemView('/'. $user.'/versions_trashbin')); |
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$size = 0; |
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if ( ($trashbinSize = \OCP\Config::getAppValue('files_trashbin', 'size')) === null ) { |
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$trashbinSize = self::calculateSize(new \OC_FilesystemView('/'. $user.'/files_trashbin')); |
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$trashbinSize += self::calculateSize(new \OC_FilesystemView('/'. $user.'/versions_trashbin')); |
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} |
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if ( $timestamp ) { |
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$query = \OC_DB::prepare('DELETE FROM *PREFIX*files_trash WHERE user=? AND id=? AND timestamp=?'); |
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$query->execute(array($user,$filename,$timestamp)); |
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if ( $timestamp ) { |
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$query = \OC_DB::prepare('DELETE FROM *PREFIX*files_trash WHERE user=? AND id=? AND timestamp=?'); |
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$query->execute(array($user,$filename,$timestamp)); |
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$file = $filename.'.d'.$timestamp; |
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} else { |
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$file = $filename; |
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} |
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if ( \OCP\App::isEnabled('files_versions') ) { |
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if ($view->is_dir('versions_trashbin/'.$file)) { |
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$size += self::calculateSize(new \OC_Filesystemview('/'.$user.'/versions_trashbin/'.$file)); |
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@ -245,8 +245,8 @@ class Trashbin { |
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} |
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} |
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} |
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} |
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} |
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if ($view->is_dir('/files_trashbin/'.$file)) { |
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$size += self::calculateSize(new \OC_Filesystemview('/'.$user.'/files_trashbin/'.$file)); |
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} else { |
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@ -255,8 +255,8 @@ class Trashbin { |
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$view->unlink('/files_trashbin/'.$file); |
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$trashbinSize -= $size; |
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\OCP\Config::setAppValue('files_trashbin', 'size', $trashbinSize); |
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return $size; |
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return $size; |
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} |
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/** |
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@ -279,22 +279,22 @@ class Trashbin { |
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return $view->file_exists($target); |
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} |
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/** |
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/** |
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* clean up the trash bin |
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* @param max. available disk space for trashbin |
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*/ |
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* @param max. available disk space for trashbin |
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*/ |
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private static function expire($availableSpace) { |
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$user = \OCP\User::getUser(); |
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$view = new \OC_FilesystemView('/'.$user); |
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$size = 0; |
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$query = \OC_DB::prepare('SELECT location,type,id,timestamp FROM *PREFIX*files_trash WHERE user=?'); |
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$query = \OC_DB::prepare('SELECT location,type,id,timestamp FROM *PREFIX*files_trash WHERE user=?'); |
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$result = $query->execute(array($user))->fetchAll(); |
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$retention_obligation = \OC_Config::getValue('trashbin_retention_obligation', |
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self::DEFAULT_RETENTION_OBLIGATION); |
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$limit = time() - ($retention_obligation * 86400); |
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foreach ( $result as $r ) { |
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@ -318,14 +318,14 @@ class Trashbin { |
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foreach ($versions as $v) { |
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$size += $view->filesize('versions_trashbin/'.$filename.'.v'.$v.'.d'.$timestamp); |
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$view->unlink('versions_trashbin/'.$filename.'.v'.$v.'.d'.$timestamp); |
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} |
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} |
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} |
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} |
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} |
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$query = \OC_DB::prepare('DELETE FROM *PREFIX*files_trash WHERE user=? AND timestamp<?'); |
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$query = \OC_DB::prepare('DELETE FROM *PREFIX*files_trash WHERE user=? AND timestamp<?'); |
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$query->execute(array($user,$limit)); |
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|
$availableSpace = $availableSpace + $size; |
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|
// if size limit for trash bin reached, delete oldest files in trash bin |
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|
|
|
if ($availableSpace < 0) { |
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|
@ -340,15 +340,15 @@ class Trashbin { |
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|
|
$size += $tmp; |
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|
$i++; |
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} |
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} |
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|
return $size; |
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|
return $size; |
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|
} |
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|
/** |
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|
|
* recursive copy to copy a whole directory |
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|
* |
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|
* |
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|
|
* @param $source source path, relative to the users files directory |
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|
|
* @param $destination destination path relative to the users root directoy |
|
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|
|
* @param $view file view for the users root directory |
|
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|
@ -375,7 +375,7 @@ class Trashbin { |
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|
|
} |
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|
|
return $size; |
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|
|
} |
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|
|
/** |
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|
|
* find all versions which belong to the file we want to restore |
|
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|
|
* @param $filename name of the file which should be restored |
|
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|
|
@ -383,7 +383,7 @@ class Trashbin { |
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|
|
*/ |
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|
|
private static function getVersionsFromTrash($filename, $timestamp) { |
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|
|
$view = new \OC_FilesystemView('/'.\OCP\User::getUser().'/versions_trashbin'); |
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|
|
$versionsName = \OCP\Config::getSystemValue('datadirectory').$view->getAbsolutePath($filename); |
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|
|
$versionsName = \OCP\Config::getSystemValue('datadirectory').$view->getAbsolutePath($filename); |
|
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|
|
$versions = array(); |
|
|
|
|
if ($timestamp ) { |
|
|
|
|
// fetch for old versions |
|
|
|
|
@ -391,20 +391,20 @@ class Trashbin { |
|
|
|
|
$offset = -strlen($timestamp)-2; |
|
|
|
|
} else { |
|
|
|
|
$matches = glob( $versionsName.'.v*' ); |
|
|
|
|
} |
|
|
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|
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|
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|
|
} |
|
|
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|
|
|
|
|
|
foreach( $matches as $ma ) { |
|
|
|
|
if ( $timestamp ) { |
|
|
|
|
$parts = explode( '.v', substr($ma, 0, $offset) ); |
|
|
|
|
$parts = explode( '.v', substr($ma, 0, $offset) ); |
|
|
|
|
$versions[] = ( end( $parts ) ); |
|
|
|
|
} else { |
|
|
|
|
$parts = explode( '.v', $ma ); |
|
|
|
|
$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 $location where the file should be restored |
|
|
|
|
@ -413,40 +413,40 @@ class Trashbin { |
|
|
|
|
* @return string with unique extension |
|
|
|
|
*/ |
|
|
|
|
private static function getUniqueExtension($location, $filename, $view) { |
|
|
|
|
$ext = ''; |
|
|
|
|
if ( $view->file_exists('files'.$location.'/'.$filename) ) { |
|
|
|
|
$tmpext = '.restored'; |
|
|
|
|
$ext = $tmpext; |
|
|
|
|
$i = 1; |
|
|
|
|
while ( $view->file_exists('files'.$location.'/'.$filename.$ext) ) { |
|
|
|
|
$ext = $tmpext.$i; |
|
|
|
|
$i++; |
|
|
|
|
} |
|
|
|
|
$ext = ''; |
|
|
|
|
if ( $view->file_exists('files'.$location.'/'.$filename) ) { |
|
|
|
|
$tmpext = '.restored'; |
|
|
|
|
$ext = $tmpext; |
|
|
|
|
$i = 1; |
|
|
|
|
while ( $view->file_exists('files'.$location.'/'.$filename.$ext) ) { |
|
|
|
|
$ext = $tmpext.$i; |
|
|
|
|
$i++; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return $ext; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
/** |
|
|
|
|
* @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(''); |
|
|
|
|
* @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; |
|
|
|
|
|
|
|
|
|
\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; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
return $size; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
Bart Visscher
12 years ago