170 lines
4.5 KiB
PHP
170 lines
4.5 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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 as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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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
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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\WorkflowEngine\Check;
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use OCP\Files\Cache\ICache;
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use OCP\Files\IHomeStorage;
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use OCP\Files\Storage\IStorage;
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use OCP\IL10N;
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use OCP\SystemTag\ISystemTagManager;
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use OCP\SystemTag\ISystemTagObjectMapper;
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use OCP\SystemTag\TagNotFoundException;
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use OCP\WorkflowEngine\ICheck;
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class FileSystemTags implements ICheck {
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/** @var array */
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protected $fileIds;
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/** @var array */
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protected $fileSystemTags;
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/** @var IL10N */
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protected $l;
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/** @var ISystemTagManager */
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protected $systemTagManager;
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/** @var ISystemTagObjectMapper */
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protected $systemTagObjectMapper;
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/** @var IStorage */
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protected $storage;
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/** @var string */
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protected $path;
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/**
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* @param IL10N $l
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* @param ISystemTagManager $systemTagManager
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* @param ISystemTagObjectMapper $systemTagObjectMapper
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*/
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public function __construct(IL10N $l, ISystemTagManager $systemTagManager, ISystemTagObjectMapper $systemTagObjectMapper) {
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$this->l = $l;
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$this->systemTagManager = $systemTagManager;
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$this->systemTagObjectMapper = $systemTagObjectMapper;
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}
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/**
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* @param IStorage $storage
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* @param string $path
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*/
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public function setFileInfo(IStorage $storage, $path) {
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$this->storage = $storage;
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$this->path = $path;
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}
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/**
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* @param string $operator
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* @param string $value
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* @return bool
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*/
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public function executeCheck($operator, $value) {
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$systemTags = $this->getSystemTags();
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return ($operator === 'is') === in_array($value, $systemTags);
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}
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/**
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* @param string $operator
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* @param string $value
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* @throws \UnexpectedValueException
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*/
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public function validateCheck($operator, $value) {
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if (!in_array($operator, ['is', '!is'])) {
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throw new \UnexpectedValueException($this->l->t('The given operator is invalid'), 1);
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}
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try {
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$this->systemTagManager->getTagsByIds($value);
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} catch (TagNotFoundException $e) {
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throw new \UnexpectedValueException($this->l->t('The given tag id is invalid'), 2);
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} catch (\InvalidArgumentException $e) {
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throw new \UnexpectedValueException($this->l->t('The given tag id is invalid'), 3);
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}
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}
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/**
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* Get the ids of the assigned system tags
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* @return string[]
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*/
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protected function getSystemTags() {
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$cache = $this->storage->getCache();
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$fileIds = $this->getFileIds($cache, $this->path, !$this->storage->instanceOfStorage(IHomeStorage::class));
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$systemTags = [];
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foreach ($fileIds as $i => $fileId) {
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if (isset($this->fileSystemTags[$fileId])) {
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$systemTags[] = $this->fileSystemTags[$fileId];
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unset($fileIds[$i]);
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}
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}
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if (!empty($fileIds)) {
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$mappedSystemTags = $this->systemTagObjectMapper->getTagIdsForObjects($fileIds, 'files');
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foreach ($mappedSystemTags as $fileId => $fileSystemTags) {
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$this->fileSystemTags[$fileId] = $fileSystemTags;
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$systemTags[] = $fileSystemTags;
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}
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}
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$systemTags = call_user_func_array('array_merge', $systemTags);
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$systemTags = array_unique($systemTags);
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return $systemTags;
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}
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/**
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* Get the file ids of the given path and its parents
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* @param ICache $cache
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* @param string $path
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* @param bool $isExternalStorage
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* @return int[]
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*/
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protected function getFileIds(ICache $cache, $path, $isExternalStorage) {
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$cacheId = $cache->getNumericStorageId();
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if (isset($this->fileIds[$cacheId][$path])) {
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return $this->fileIds[$cacheId][$path];
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}
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$parentIds = [];
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if ($path !== $this->dirname($path)) {
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$parentIds = $this->getFileIds($cache, $this->dirname($path), $isExternalStorage);
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} else if (!$isExternalStorage) {
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return [];
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}
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$fileId = $cache->getId($path);
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if ($fileId !== -1) {
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$parentIds[] = $cache->getId($path);
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}
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$this->fileIds[$cacheId][$path] = $parentIds;
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return $parentIds;
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}
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protected function dirname($path) {
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$dir = dirname($path);
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return $dir === '.' ? '' : $dir;
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}
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}
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