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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2019 Robin Appelman <robin@icewind.nl>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* 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\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 Global Username and Password
*/
class UserGlobalAuth extends AuthMechanism {
private const CREDENTIALS_IDENTIFIER = 'password::global';
/** @var ICredentialsManager */
protected $credentialsManager;
public function __construct(IL10N $l, ICredentialsManager $credentialsManager) {
$this->credentialsManager = $credentialsManager;
$this
->setIdentifier('password::global::user')
->setVisibility(BackendService::VISIBILITY_DEFAULT)
->setScheme(self::SCHEME_PASSWORD)
->setText($l->t('Global credentials, manually entered'));
}
public function saveBackendOptions(IUser $user, $id, $backendOptions) {
// backendOptions are set when invoked via Files app
// but they are not set when invoked via ext storage settings
if (!isset($backendOptions['user']) && !isset($backendOptions['password'])) {
return;
}
if ($backendOptions['password'] === DefinitionParameter::UNMODIFIED_PLACEHOLDER) {
$oldCredentials = $this->credentialsManager->retrieve($user->getUID(), self::CREDENTIALS_IDENTIFIER);
$backendOptions['password'] = $oldCredentials['password'];
}
// make sure we're not setting any unexpected keys
$credentials = [
'user' => $backendOptions['user'],
'password' => $backendOptions['password'],
];
$this->credentialsManager->store($user->getUID(), self::CREDENTIALS_IDENTIFIER, $credentials);
}
/**
* @return void
*/
public function manipulateStorageConfig(StorageConfig &$storage, ?IUser $user = null) {
if ($user === null) {
throw new InsufficientDataForMeaningfulAnswerException('No credentials saved');
}
$uid = $user->getUID();
$credentials = $this->credentialsManager->retrieve($uid, self::CREDENTIALS_IDENTIFIER);
if (is_array($credentials)) {
$storage->setBackendOption('user', $credentials['user']);
$storage->setBackendOption('password', $credentials['password']);
}
}
}
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