148 lines
4.6 KiB
PHP
148 lines
4.6 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Björn Schießle <bjoern@schiessle.org>
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* @author Joas Schilling <coding@schilljs.com>
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* @author John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author Sam Tuke <mail@samtuke.com>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program 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 License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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/**
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* This class contains all hooks.
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*/
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namespace OCA\Files_Versions;
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use OC\Files\Filesystem;
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use OC\Files\Mount\MoveableMount;
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use OC\Files\View;
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use OCP\Util;
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class Hooks {
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public static function connectHooks() {
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// Listen to write signals
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Util::connectHook('OC_Filesystem', 'write', Hooks::class, 'write_hook');
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// Listen to delete and rename signals
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Util::connectHook('OC_Filesystem', 'post_delete', Hooks::class, 'remove_hook');
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Util::connectHook('OC_Filesystem', 'delete', Hooks::class, 'pre_remove_hook');
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Util::connectHook('OC_Filesystem', 'post_rename', Hooks::class, 'rename_hook');
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Util::connectHook('OC_Filesystem', 'post_copy', Hooks::class, 'copy_hook');
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Util::connectHook('OC_Filesystem', 'rename', Hooks::class, 'pre_renameOrCopy_hook');
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Util::connectHook('OC_Filesystem', 'copy', Hooks::class, 'pre_renameOrCopy_hook');
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}
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/**
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* listen to write event.
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*/
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public static function write_hook( $params ) {
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$path = $params[Filesystem::signal_param_path];
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if($path !== '') {
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Storage::store($path);
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}
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}
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/**
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* Erase versions of deleted file
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* @param array $params
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*
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* This function is connected to the delete signal of OC_Filesystem
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* cleanup the versions directory if the actual file gets deleted
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*/
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public static function remove_hook($params) {
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$path = $params[Filesystem::signal_param_path];
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if($path !== '') {
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Storage::delete($path);
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}
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}
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/**
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* mark file as "deleted" so that we can clean up the versions if the file is gone
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* @param array $params
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*/
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public static function pre_remove_hook($params) {
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$path = $params[Filesystem::signal_param_path];
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if($path !== '') {
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Storage::markDeletedFile($path);
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}
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}
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/**
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* rename/move versions of renamed/moved files
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* @param array $params array with oldpath and newpath
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*
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* This function is connected to the rename signal of OC_Filesystem and adjust the name and location
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* of the stored versions along the actual file
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*/
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public static function rename_hook($params) {
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$oldpath = $params['oldpath'];
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$newpath = $params['newpath'];
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if($oldpath !== '' && $newpath !== '') {
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Storage::renameOrCopy($oldpath, $newpath, 'rename');
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}
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}
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/**
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* copy versions of copied files
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* @param array $params array with oldpath and newpath
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*
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* This function is connected to the copy signal of OC_Filesystem and copies the
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* the stored versions to the new location
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*/
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public static function copy_hook($params) {
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$oldpath = $params['oldpath'];
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$newpath = $params['newpath'];
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if($oldpath !== '' && $newpath !== '') {
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Storage::renameOrCopy($oldpath, $newpath, 'copy');
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}
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}
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/**
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* Remember owner and the owner path of the source file.
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* If the file already exists, then it was a upload of a existing file
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* over the web interface and we call Storage::store() directly
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*
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* @param array $params array with oldpath and newpath
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*
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*/
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public static function pre_renameOrCopy_hook($params) {
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// if we rename a movable mount point, then the versions don't have
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// to be renamed
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$absOldPath = Filesystem::normalizePath('/' . \OCP\User::getUser() . '/files' . $params['oldpath']);
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$manager = Filesystem::getMountManager();
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$mount = $manager->find($absOldPath);
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$internalPath = $mount->getInternalPath($absOldPath);
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if ($internalPath === '' and $mount instanceof MoveableMount) {
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return;
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}
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$view = new View(\OCP\User::getUser() . '/files');
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if ($view->file_exists($params['newpath'])) {
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Storage::store($params['newpath']);
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} else {
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Storage::setSourcePathAndUser($params['oldpath']);
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}
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}
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}
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