Current File : /www/varak.net/nextcloud.varak.net/lib/private/Authentication/TwoFactorAuth/MandatoryTwoFactor.php
<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Authentication\TwoFactorAuth;
use OCP\IConfig;
use OCP\IGroupManager;
use OCP\IUser;
class MandatoryTwoFactor {
/** @var IConfig */
private $config;
/** @var IGroupManager */
private $groupManager;
public function __construct(IConfig $config, IGroupManager $groupManager) {
$this->config = $config;
$this->groupManager = $groupManager;
}
/**
* Get the state of enforced two-factor auth
*/
public function getState(): EnforcementState {
return new EnforcementState(
$this->config->getSystemValue('twofactor_enforced', 'false') === 'true',
$this->config->getSystemValue('twofactor_enforced_groups', []),
$this->config->getSystemValue('twofactor_enforced_excluded_groups', [])
);
}
/**
* Set the state of enforced two-factor auth
*/
public function setState(EnforcementState $state) {
$this->config->setSystemValue('twofactor_enforced', $state->isEnforced() ? 'true' : 'false');
$this->config->setSystemValue('twofactor_enforced_groups', $state->getEnforcedGroups());
$this->config->setSystemValue('twofactor_enforced_excluded_groups', $state->getExcludedGroups());
}
/**
* Check if two-factor auth is enforced for a specific user
*
* The admin(s) can enforce two-factor auth system-wide, for certain groups only
* and also have the option to exclude users of certain groups. This method will
* check their membership of those groups.
*
* @param IUser $user
*
* @return bool
*/
public function isEnforcedFor(IUser $user): bool {
$state = $this->getState();
if (!$state->isEnforced()) {
return false;
}
$uid = $user->getUID();
/*
* If there is a list of enforced groups, we only enforce 2FA for members of those groups.
* For all the other users it is not enforced (overruling the excluded groups list).
*/
if (!empty($state->getEnforcedGroups())) {
foreach ($state->getEnforcedGroups() as $group) {
if ($this->groupManager->isInGroup($uid, $group)) {
return true;
}
}
// Not a member of any of these groups -> no 2FA enforced
return false;
}
/**
* If the user is member of an excluded group, 2FA won't be enforced.
*/
foreach ($state->getExcludedGroups() as $group) {
if ($this->groupManager->isInGroup($uid, $group)) {
return false;
}
}
/**
* No enforced groups configured and user not member of an excluded groups,
* so 2FA is enforced.
*/
return true;
}
}
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