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<?php
/**
* SPDX-FileCopyrightText: 2018-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2015 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
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/';
public function __construct(
IL10N $l,
protected ICredentialsManager $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 $options) {
if ($options['password'] === DefinitionParameter::UNMODIFIED_PLACEHOLDER) {
$oldCredentials = $this->credentialsManager->retrieve($user->getUID(), $this->getCredentialsIdentifier($mountId));
$options['password'] = $oldCredentials['password'];
}
$this->credentialsManager->store($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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