pandorafms/pandora_console/extensions/users_connected.php

<?php
/**
 * Extension to manage a list of gateways and the node address where they should
 * point to.
 *
 * @category   Users
 * @package    Pandora FMS
 * @subpackage Community
 * @version    1.0.0
 * @license    See below
 *
 *    ______                 ___                    _______ _______ ________
 *   |   __ \.-----.--.--.--|  |.-----.----.-----. |    ___|   |   |     __|
 *  |    __/|  _  |     |  _  ||  _  |   _|  _  | |    ___|       |__     |
 * |___|   |___._|__|__|_____||_____|__| |___._| |___|   |__|_|__|_______|
 *
 * ============================================================================
 * Copyright (c) 2005-2023 Artica Soluciones Tecnologicas
 * Please see http://pandorafms.org for full contribution list
 * 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 for version 2.
 * 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.
 * ============================================================================
 */

// Begin.
function users_extension_main()
{
    users_extension_main_god(false);
}


function users_extension_main_god($god=true)
{
    global $config;

    if (isset($config['id_user'])) {
        if (!check_acl($config['id_user'], 0, 'UM')) {
            return;
        }
    }

    if ($god) {
        $image = 'images/gm_users.png';
    } else {
        $image = 'images/user.png';
    }

    // Header.
    ui_print_standard_header(
        __('List of users connected'),
        $image,
        false,
        '',
        $god,
        [],
        [
            [
                'link'  => '',
                'label' => __('Workspace'),
            ],
            [
                'link'  => '',
                'label' => __('Users connected'),
            ],
        ]
    );

    $check_profile = db_get_row('tusuario_perfil', 'id_usuario', $config['id_user'], 'id_up');
    if ($check_profile === false && !users_is_admin()) {
        return ui_print_error_message(
            __('This user does not have any associated profile'),
            '',
            false
        );
    }

    // Get groups user has permission.
    $group_um = users_get_groups_UM($config['id_user']);
    // Is admin or has group permissions all.
    $groups = implode(',', array_keys($group_um, 1));

    // Get user conected last 5 minutes.Show only those on which the user has permission.
    switch ($config['dbtype']) {
        case 'mysql':
            if (users_is_admin()) {
                $sql = sprintf(
                    'SELECT tusuario.id_user, tusuario.last_connect
                    FROM tusuario                
                    WHERE last_connect > (UNIX_TIMESTAMP(NOW()) - '.SECONDS_5MINUTES.')
                    GROUP BY tusuario.id_user
                    ORDER BY last_connect DESC'
                );
            } else {
                $sql = sprintf(
                    'SELECT tusuario.id_user, tusuario.last_connect
                    FROM tusuario
                    INNER JOIN tusuario_perfil ON tusuario_perfil.id_usuario = tusuario.id_user
                    AND tusuario_perfil.id_grupo IN (%s)                 
                    WHERE last_connect > (UNIX_TIMESTAMP(NOW()) - '.SECONDS_5MINUTES.')
                    GROUP BY tusuario.id_user
                    ORDER BY last_connect DESC',
                    $groups
                );
            }
        break;

        case 'postgresql':
            if (users_is_admin()) {
                $sql = sprintf(
                    "SELECT tusuario.id_user, tusuario.last_connect
                    FROM tusuario
                    WHERE last_connect > (ceil(date_part('epoch', CURRENT_TIMESTAMP)) - ".SECONDS_5MINUTES.')
                    GROUP BY tusuario.id_user
                    ORDER BY last_connect DESC'
                );
            } else {
                $sql = sprintf(
                    "SELECT tusuario.id_user, tusuario.last_connect
                    FROM tusuario
                    INNER JOIN tusuario_perfil ON tusuario_perfil.id_usuario = tusuario.id_user
                    AND tusuario_perfil.id_grupo IN (%s)
                    WHERE last_connect > (ceil(date_part('epoch', CURRENT_TIMESTAMP)) - ".SECONDS_5MINUTES.')
                    GROUP BY tusuario.id_user
                    ORDER BY last_connect DESC',
                    $groups
                );
            }
        break;

        case 'oracle':
            if (users_is_admin()) {
                $sql = sprintf(
                    "SELECT tusuario.id_user, tusuario.last_connect
                    FROM tusuario
                    WHERE last_connect > (ceil((sysdate - to_date('19700101000000','YYYYMMDDHH24MISS')) * (".SECONDS_1DAY.')) - '.SECONDS_5MINUTES.')
                    GROUP BY tusuario.id_user
                    ORDER BY last_connect DESC'
                );
            } else {
                $sql = sprintf(
                    "SELECT tusuario.id_user, tusuario.last_connect
                    FROM tusuario
                    INNER JOIN tusuario_perfil ON tusuario_perfil.id_usuario = tusuario.id_user
                    AND tusuario_perfil.id_grupo IN (%s)
                    WHERE last_connect > (ceil((sysdate - to_date('19700101000000','YYYYMMDDHH24MISS')) * (".SECONDS_1DAY.')) - '.SECONDS_5MINUTES.')
                    GROUP BY tusuario.id_user
                    ORDER BY last_connect DESC',
                    $groups
                );
            }
        break;

        default:
            // Nothing to do.
        break;
    }

    $rows = db_get_all_rows_sql($sql);
    if (empty($rows)) {
        $rows = [];
        echo "<div class='nf'>".__('No other users connected').'</div>';
    } else {
        $table = new StdClass();
        $table->cellpadding = 0;
        $table->cellspacing = 0;
        $table->width = '100%';
        $table->class = 'info_table';
        $table->size = [];
        $table->data = [];
        $table->head = [];

        $table->head[0] = __('User');
        $table->head[1] = __('IP');
        $table->head[2] = __('Last login');
        $table->head[3] = __('Last contact');

        $rowPair = true;
        $iterator = 0;

        // Get data.
        foreach ($rows as $row) {
            // Get data of user's last login.
            switch ($config['dbtype']) {
                case 'mysql':
                case 'postgresql':
                    $last_login_data = db_get_row_sql(
                        sprintf(
                            "SELECT ip_origen, utimestamp 
						FROM tsesion 
						WHERE id_usuario = '%s'
						AND descripcion = '".io_safe_input('Logged in')."' 
						ORDER BY fecha DESC",
                            $row['id_user']
                        )
                    );
                break;

                case 'oracle':
                    $last_login_data = db_get_row_sql(
                        sprintf(
                            "SELECT ip_origen, utimestamp 
						FROM tsesion
						WHERE id_usuario = '%s'
						AND to_char(descripcion) = '".io_safe_input('Logged in')."' 
						ORDER BY fecha DESC",
                            $row['id_user']
                        )
                    );
                break;

                default:
                    // Nothing to do.
                break;
            }

            if ($rowPair) {
                $table->rowclass[$iterator] = 'rowPair';
            } else {
                $table->rowclass[$iterator] = 'rowOdd';
            }

            $rowPair = !$rowPair;
            $iterator++;

            $data = [];
            $data[0] = '<a href="index.php?sec=gusuarios&amp;sec2=godmode/users/configure_user&amp;id='.$row['id_user'].'">'.$row['id_user'].'</a>';
            $data[1] = $last_login_data['ip_origin'];
            $data[2] = date($config['date_format'], $last_login_data['utimestamp']);
            $data[3] = date($config['date_format'], $row['last_connect']);
            array_push($table->data, $data);
        }

        html_print_table($table);
    }
}


extensions_add_operation_menu_option(__('Users connected'), 'workspace', 'users/icon.png', 'v1r1', null, 'UM');

extensions_add_godmode_function('users_extension_main_god');
extensions_add_main_function('users_extension_main');