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<?php
/**
* @copyright Copyright (c) 2016, Robin Appelman <robin@icewind.nl>
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Lockdown;
use OC\Authentication\Token\IToken;
use OCP\ISession;
use OCP\Lockdown\ILockdownManager;
class LockdownManager implements ILockdownManager {
/** @var ISession */
private $sessionCallback;
private $enabled = false;
/** @var array|null */
private $scope;
/**
* LockdownManager constructor.
*
* @param callable $sessionCallback we need to inject the session lazily to avoid dependency loops
*/
public function __construct(callable $sessionCallback) {
$this->sessionCallback = $sessionCallback;
}
public function enable() {
$this->enabled = true;
}
/**
* @return ISession
*/
private function getSession() {
$callback = $this->sessionCallback;
return $callback();
}
private function getScopeAsArray() {
if (!$this->scope) {
$session = $this->getSession();
$sessionScope = $session->get('token_scope');
if ($sessionScope) {
$this->scope = $sessionScope;
}
}
return $this->scope;
}
public function setToken(IToken $token) {
$this->scope = $token->getScopeAsArray();
$session = $this->getSession();
$session->set('token_scope', $this->scope);
$this->enable();
}
public function canAccessFilesystem() {
$scope = $this->getScopeAsArray();
return !$scope || $scope['filesystem'];
}
}
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