109 lines
2.7 KiB
PHP
109 lines
2.7 KiB
PHP
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<?php
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/**
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* @copyright Copyright (c) 2016 Morris Jobke <hey@morrisjobke.de>
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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\Storage\IStorage;
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use OCP\IGroupManager;
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use OCP\IUser;
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use OCP\IUserSession;
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use OCP\WorkflowEngine\ICheck;
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class UserGroupMembership implements ICheck {
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/** @var string */
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protected $cachedUser;
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/** @var string[] */
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protected $cachedGroupMemberships;
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/** @var IUserSession */
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protected $userSession;
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/** @var IGroupManager */
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protected $groupManager;
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/**
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* @param IUserSession $userSession
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* @param IGroupManager $groupManager
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*/
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public function __construct(IUserSession $userSession, IGroupManager $groupManager) {
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$this->userSession = $userSession;
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$this->groupManager = $groupManager;
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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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// A different path doesn't change group memberships, so nothing to do here.
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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, $value) {
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$user = $this->userSession->getUser();
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if ($user instanceof IUser) {
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$groupIds = $this->getUserGroups($user);
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return ($operator === 'is') === in_array($value, $groupIds);
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} else {
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return $operator !== 'is';
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}
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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('Invalid operator', 1);
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}
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if (!$this->groupManager->groupExists($value)) {
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throw new \UnexpectedValueException('Group does not exist', 2);
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}
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}
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/**
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* @param IUser $user
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* @return string[]
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*/
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protected function getUserGroups(IUser $user) {
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$uid = $user->getUID();
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if ($this->cachedUser !== $uid) {
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$this->cachedUser = $uid;
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$this->cachedGroupMemberships = $this->groupManager->getUserGroupIds($user);
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}
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return $this->cachedGroupMemberships;
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}
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}
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