Zabbix

<?php

/*

** Zabbix

** Copyright (C) 2001-2024 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 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 General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

​

/***********************************************

    CHECK USER ACCESS TO SYSTEM STATUS

************************************************/

/* Function: check_perm2system()

 *

 * Description:

 *      Checking user permissions to access system (affects server side: no notification will be sent)

 *

 * Comments:

 *      return true if permission is positive

 */

function check_perm2system($userid) {

    $sql = 'SELECT g.usrgrpid'.

            ' FROM usrgrp g,users_groups ug'.

            ' WHERE ug.userid='.zbx_dbstr($userid).

                ' AND g.usrgrpid=ug.usrgrpid'.

                ' AND g.users_status='.GROUP_STATUS_DISABLED;

    if ($res = DBfetch(DBselect($sql, 1))) {

        return false;

    }

    return true;

}

​

/**

 * Get user gui access.

 *

 * @param string $userid

 *

 * @return int

 */

function getUserGuiAccess(string $userid): int {

    if (isset(CWebUser::$data['gui_access'])) {

        return CWebUser::$data['gui_access'];

    }

​

    $gui_access = DBfetch(DBselect(

        'SELECT MAX(g.gui_access) AS gui_access'.

        ' FROM usrgrp g,users_groups ug'.

        ' WHERE g.usrgrpid=ug.usrgrpid'.

            ' AND ug.userid='.zbx_dbstr($userid)

    ));

​

    return $gui_access ? $gui_access['gui_access'] : GROUP_GUI_ACCESS_SYSTEM;

}

​

/**

 * Returns array of user groups by $userId

 *

 * @param int $userId

 *

 * @return array

 */

function getUserGroupsByUserId($userId) {

    static $userGroups;

​

    if (!isset($userGroups[$userId])) {

        $userGroups[$userId] = [];

​

        $result = DBselect('SELECT usrgrpid FROM users_groups WHERE userid='.zbx_dbstr($userId));

        while ($row = DBfetch($result)) {

            $userGroups[$userId][] = $row['usrgrpid'];

        }

    }

​

    return $userGroups[$userId];

}