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<?php
/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\User;
use OCP\IConfig;
use OCP\IUserBackend;
use OCP\User\Backend\IGetHomeBackend;
/**
* This is a "fake" backend for users that were deleted,
* but not properly removed from Nextcloud (e.g. an exception occurred).
* This backend is only needed because some APIs in user-deleted-events require a "real" user with backend.
*/
class PartiallyDeletedUsersBackend extends Backend implements IGetHomeBackend, IUserBackend {
public function __construct(
private IConfig $config,
) {
}
public function deleteUser($uid): bool {
// fake true, deleting failed users is automatically handled by User::delete()
return true;
}
public function getBackendName(): string {
return 'deleted users';
}
public function userExists($uid) {
return $this->config->getUserValue($uid, 'core', 'deleted') === 'true';
}
public function getHome(string $uid): string|false {
return $this->config->getUserValue($uid, 'core', 'deleted.home-path') ?: false;
}
public function getUsers($search = '', $limit = null, $offset = null) {
return $this->config->getUsersForUserValue('core', 'deleted', 'true');
}
/**
* Unmark a user as deleted.
* This typically the case if the user deletion failed in the backend but before the backend deleted the user,
* meaning the user still exists so we unmark them as it still can be accessed (and deleted) normally.
*/
public function unmarkUser(string $userId): void {
$this->config->deleteUserValue($userId, 'core', 'deleted');
$this->config->deleteUserValue($userId, 'core', 'deleted.home-path');
}
}
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