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<?php
/**
* @copyright Copyright (c) 2015, ownCloud, Inc.
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license AGPL-3.0
*
* 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 OCA\Files_External\Lib\Auth\Password;
use OCA\Files_External\Lib\Auth\AuthMechanism;
use OCA\Files_External\Lib\Auth\IUserProvided;
use OCA\Files_External\Lib\DefinitionParameter;
use OCA\Files_External\Lib\InsufficientDataForMeaningfulAnswerException;
use OCA\Files_External\Lib\StorageConfig;
use OCA\Files_External\Service\BackendService;
use OCP\IL10N;
use OCP\IUser;
use OCP\Security\ICredentialsManager;
/**
* User provided Username and Password
*/
class UserProvided extends AuthMechanism implements IUserProvided {
public const CREDENTIALS_IDENTIFIER_PREFIX = 'password::userprovided/';
/** @var ICredentialsManager */
protected $credentialsManager;
public function __construct(IL10N $l, ICredentialsManager $credentialsManager) {
$this->credentialsManager = $credentialsManager;
$this
->setIdentifier('password::userprovided')
->setVisibility(BackendService::VISIBILITY_ADMIN)
->setScheme(self::SCHEME_PASSWORD)
->setText($l->t('Manually entered, store in database'))
->addParameters([
(new DefinitionParameter('user', $l->t('Login')))
->setFlag(DefinitionParameter::FLAG_USER_PROVIDED),
(new DefinitionParameter('password', $l->t('Password')))
->setType(DefinitionParameter::VALUE_PASSWORD)
->setFlag(DefinitionParameter::FLAG_USER_PROVIDED),
]);
}
private function getCredentialsIdentifier($storageId) {
return self::CREDENTIALS_IDENTIFIER_PREFIX . $storageId;
}
public function saveBackendOptions(IUser $user, $mountId, array $options) {
$this->credentialsManager->store($user->getUID(), $this->getCredentialsIdentifier($mountId), [
'user' => $options['user'], // explicitly copy the fields we want instead of just passing the entire $options array
'password' => $options['password'] // this way we prevent users from being able to modify any other field
]);
}
/**
* @return void
*/
public function manipulateStorageConfig(StorageConfig &$storage, ?IUser $user = null) {
if (!isset($user)) {
throw new InsufficientDataForMeaningfulAnswerException('No credentials saved');
}
$uid = $user->getUID();
$credentials = $this->credentialsManager->retrieve($uid, $this->getCredentialsIdentifier($storage->getId()));
if (!isset($credentials)) {
throw new InsufficientDataForMeaningfulAnswerException('No credentials saved');
}
$storage->setBackendOption('user', $credentials['user']);
$storage->setBackendOption('password', $credentials['password']);
}
}
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