103 lines
3.5 KiB
PHP
103 lines
3.5 KiB
PHP
<?php
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/**
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* @author Robin Appelman <icewind@owncloud.com>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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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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namespace OCA\Files_Sharing\Propagation;
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use OC\Files\Cache\ChangePropagator;
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use OC\Files\Filesystem;
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use OC\Files\View;
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use OCA\Files_Sharing\SharedMount;
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/**
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* Watch for changes made in a shared mount and propagate the changes to the share owner
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*/
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class ChangeWatcher {
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/**
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* The user view for the logged in user
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*
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* @var \OC\Files\View
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*/
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private $baseView;
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/**
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* @var RecipientPropagator
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*/
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private $recipientPropagator;
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/**
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* @param \OC\Files\View $baseView the view for the logged in user
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* @param RecipientPropagator $recipientPropagator
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*/
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public function __construct(View $baseView, RecipientPropagator $recipientPropagator) {
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$this->baseView = $baseView;
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$this->recipientPropagator = $recipientPropagator;
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}
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public function writeHook($params) {
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$path = $params['path'];
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$fullPath = $this->baseView->getAbsolutePath($path);
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$mount = $this->baseView->getMount($path);
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if ($mount instanceof SharedMount) {
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$this->propagateForOwner($mount->getShare(), $mount->getInternalPath($fullPath), $mount->getOwnerPropagator());
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}
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$info = $this->baseView->getFileInfo($path);
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if ($info) {
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// trigger propagation if the subject of the write hook is shared.
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// if a parent folder of $path is shared the propagation will be triggered from the change propagator hooks
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$this->recipientPropagator->propagateById($info->getId());
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}
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}
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public function renameHook($params) {
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$path1 = $params['oldpath'];
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$path2 = $params['newpath'];
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$fullPath1 = $this->baseView->getAbsolutePath($path1);
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$fullPath2 = $this->baseView->getAbsolutePath($path2);
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$mount1 = $this->baseView->getMount($path1);
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$mount2 = $this->baseView->getMount($path2);
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if ($mount1 instanceof SharedMount and $mount1->getInternalPath($fullPath1) !== '') {
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$this->propagateForOwner($mount1->getShare(), $mount1->getInternalPath($fullPath1), $mount1->getOwnerPropagator());
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}
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if ($mount1 !== $mount2 and $mount2 instanceof SharedMount and $mount2->getInternalPath($fullPath2) !== '') {
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$this->propagateForOwner($mount2->getShare(), $mount2->getInternalPath($fullPath2), $mount2->getOwnerPropagator());
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}
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}
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/**
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* @param array $share
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* @param string $internalPath
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* @param \OC\Files\Cache\ChangePropagator $propagator
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*/
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private function propagateForOwner($share, $internalPath, ChangePropagator $propagator) {
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// note that we have already set up the filesystem for the owner when mounting the share
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$view = new View('/' . $share['uid_owner'] . '/files');
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$shareRootPath = $view->getPath($share['item_source']);
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if (!is_null($shareRootPath)) {
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$path = $shareRootPath . '/' . $internalPath;
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$path = Filesystem::normalizePath($path);
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$propagator->addChange($path);
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$propagator->propagateChanges();
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}
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}
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}
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