owncloud/core

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settings/ajax/togglegroups.php

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<?php
/**
 * @author Bart Visscher <bartv@thisnet.nl>
 * @author Christopher Schäpers <kondou@ts.unde.re>
 * @author Georg Ehrke <georg@owncloud.com>
 * @author Jakob Sack <mail@jakobsack.de>
 * @author Lukas Reschke <lukas@statuscode.ch>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @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/>
 *
 */
OC_JSON::checkSubAdminUser();
OCP\JSON::callCheck();

$username = (string)$_POST['username'];
$group = (string)$_POST['group'];

if ($username === OC_User::getUser() && $group === "admin" &&  OC_User::isAdminUser($username)) {
    $l = \OC::$server->getL10N('core');
    OC_JSON::error(['data' => ['message' => $l->t('Admins can\'t remove themself from the admin group')]]);
    exit();
}

$isUserAccessible = false;
$isGroupAccessible = false;
$currentUserObject = \OC::$server->getUserSession()->getUser();
$targetUserObject = \OC::$server->getUserManager()->get($username);
$targetGroupObject = \OC::$server->getGroupManager()->get($group);
if ($targetUserObject !== null && $currentUserObject !== null && $targetGroupObject !== null) {
    $isUserAccessible = \OC::$server->getGroupManager()->getSubAdmin()->isUserAccessible($currentUserObject, $targetUserObject);
    $isGroupAccessible = \OC::$server->getGroupManager()->getSubAdmin()->isSubAdminofGroup($currentUserObject, $targetGroupObject);
}

if (!OC_User::isAdminUser(OC_User::getUser())
    && (!$isUserAccessible
        || !$isGroupAccessible)) {
    $l = \OC::$server->getL10N('core');
    OC_JSON::error(['data' => ['message' => $l->t('Authentication error')]]);
    exit();
}

if ($targetUserObject === null) {
    $l = \OC::$server->getL10N('core');
    OC_JSON::error(['data' => ['message' => $l->t('Unknown user')]]);
    exit();
}

if (!\OC::$server->getGroupManager()->groupExists($group)) {
    $targetGroupObject = \OC::$server->getGroupManager()->createGroup($group);
}

$l = \OC::$server->getL10N('settings');

$action = "add";

// Toggle group
if (\OC::$server->getGroupManager()->inGroup($username, $group)) {
    $action = "remove";
    $targetGroupObject->removeUser($targetUserObject);
    $usersInGroup = $targetGroupObject->getUsers();
    $usersInGroup = \array_values(\array_map(function (\OCP\IUser $g) {
        return $g->getUID();
    }, $usersInGroup));
} else {
    $targetGroupObject->addUser($targetUserObject);
}

if ($action === "add" && \OC::$server->getGroupManager()->isInGroup($username, $group)) {
    OC_JSON::success([
        "data" => [
            "username" => $username,
            "action" => $action,
            "group" => [
                "gid" => $targetGroupObject->getGID(),
                "name" => $targetGroupObject->getDisplayName(),
            ],
        ]
    ]);
} elseif ($action === "remove" && !\OC::$server->getGroupManager()->isInGroup($username, $group)) {
    OC_JSON::success([
        "data" => [
            "username" => $username,
            "action" => $action,
            "group" => [
                "gid" => $targetGroupObject->getGID(),
                "name" => $targetGroupObject->getDisplayName(),
            ],
        ]
    ]);
} else {
    OC_JSON::error();
}