pandorafms/pandora_console/extensions/agents_alerts.php

<?php
/**
 * Agents/Alerts Monitoring view.
 *
 * @category   Agent Wizard
 * @package    Pandora FMS
 * @subpackage Opensource
 * @version    1.0.0
 * @license    See below
 *
 *    ______                 ___                    _______ _______ ________
 *   |   __ \.-----.--.--.--|  |.-----.----.-----. |    ___|   |   |     __|
 *  |    __/|  _  |     |  _  ||  _  |   _|  _  | |    ___|       |__     |
 * |___|   |___._|__|__|_____||_____|__| |___._| |___|   |__|_|__|_______|
 *
 * ============================================================================
 * Copyright (c) 2005-2020 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.
global $config;
// Require needed class.
require_once $config['homedir'].'/include/class/AgentsAlerts.class.php';
// This page.
$thisOwnPage = 'index.php?sec=view&sec2=extensions/agents_alerts';
$ajaxPage    = 'extensions/agents_alerts';
$pageName    = '[AgentsAlerts]';
// Control call flow.
try {
    // User access and validation is being processed on class constructor.
    $obj = new AgentsAlerts($ajaxPage);
} catch (Exception $e) {
    if (is_ajax()) {
        echo json_encode(['error' => $pageName.$e->getMessage() ]);
        exit;
    } else {
        echo $pageName.$e->getMessage();
    }

    // Stop this execution, but continue 'globally'.
    return;
}

// AJAX controller.
if (is_ajax()) {
    $method = get_parameter('method');

    if (method_exists($obj, $method) === true) {
        $obj->{$method}();
    } else {
        $obj->error('Method not found. ['.$method.']');
    }

    // Stop any execution.
    exit;
} else {
    // Run.
    $obj->run();
}


function mainAgentsAlerts()
{
    /*
        // Update network modules for this group
        // Check for Network FLAG change request
        // Made it a subquery, much faster on both the database and server side
        if (isset($_GET['update_netgroup'])) {
        $group = get_parameter_get('update_netgroup', 0);
        if (check_acl($config['id_user'], $group, 'AW')) {
            $where = ['id_agente' => 'ANY(SELECT id_agente FROM tagente WHERE id_grupo = '.$group];

            db_process_sql_update('tagente_modulo', ['flag' => 1], $where);
        } else {
            db_pandora_audit('ACL Violation', 'Trying to set flag for groups');
            include 'general/noaccess.php';
            exit;
        }
        }

        if ($config['realtimestats'] == 0) {
        $updated_info = __('Last update').' : '.ui_print_timestamp(db_get_sql('SELECT min(utimestamp) FROM tgroup_stat'), true);
        } else {
        // $updated_info = __("Updated at realtime");
        $updated_info = '';
        }

        $updated_time = $updated_info;
        $create_alert = (int) get_parameter('create_alert', 0);

        if ($create_alert) {
        $template2 = get_parameter('template');
        $module_action_threshold = get_parameter('module_action_threshold');

        $id_alert = alerts_create_alert_agent_module($create_alert, $template2);

        if ($id_alert !== false) {
            $action_select = get_parameter('action_select', 0);

            if ($action_select != 0) {
                $values = [];
                $values['fires_min'] = 0;
                $values['fires_max'] = 0;
                $values['module_action_threshold'] = (int) get_parameter('module_action_threshold');

                alerts_add_alert_agent_module_action($id_alert, $action_select, $values);
            }
        }
        }

        $refr = (int) get_parameter('refr', 30);
        // By default 30 seconds
        $show_modules = (bool) get_parameter('show_modules', 0);
        $group_id = get_parameter('group_id', 0);
        $offset = get_parameter('offset', 0);
        $hor_offset = get_parameter('hor_offset', 0);
        $block = 20;

        $groups = users_get_groups();

        $filter_groups .= '<b>'.__('Group').'</b>';
        $filter_groups .= '<div class="w250px inline margin-left-2">';
        $filter_groups .= html_print_select_groups(false, 'AR', true, 'group_id', $group_id, false, '', '', true, false, true, '', false, 'margin-right: 10px; margin-top: 5px;');
        $filter_groups .= '</div>';

        $check = '<b>'.__('Show modules without alerts').'</b>';
        $check .= html_print_checkbox('slides_ids[]', $d['id'], $show_modules, true, false, '', true);

        $comborefr = '<form method="post" action="'.ui_get_url_refresh(['offset' => 0, 'hor_offset' => 0]).'">';
        $comborefr .= '<b>'.__('Refresh').'</b>';
        $comborefr .= html_print_select(
        [
            '30'                       => '30 '.__('seconds'),
            (string) SECONDS_1MINUTE   => __('1 minute'),
            (string) SECONDS_2MINUTES  => __('2 minutes'),
            (string) SECONDS_5MINUTES  => __('5 minutes'),
            (string) SECONDS_10MINUTES => __('10 minutes'),
        ],
        'refr',
        (int) get_parameter('refr', 0),
        $script = 'this.form.submit()',
        '',
        0,
        true,
        false,
        false,
        '',
        false,
        'width: 100px; margin-right: 10px; margin-top: 5px;'
        );
        $comborefr .= '</form>';

        if ($config['pure'] == 0) {
        $fullscreen['text'] = '<a href="'.ui_get_url_refresh(['pure' => 1]).'">'.html_print_image('images/full_screen.png', true, ['title' => __('Full screen mode')]).'</a>';
        } else {
        $fullscreen['text'] = '<a href="'.ui_get_url_refresh(['pure' => 0]).'">'.html_print_image('images/normal_screen.png', true, ['title' => __('Back to normal mode')]).'</a>';
        $config['refr'] = $refr;
        }

        $onheader = [
        'updated_time' => $updated_time,
        'fullscreen'   => $fullscreen,
        'combo_groups' => $filter_groups,
        ];

        if ($config['pure'] == 1) {
        $onheader['combo_refr'] = $comborefr;
        }

        // Header.
        ui_print_page_header(
        __('Agents/Alerts'),
        'images/op_alerts.png',
        false,
        '',
        false,
        $updated_time
    );*/
    /*
        // Old style table, we need a lot of special formatting,don't use table function
        // Prepare old-style table
        echo '<table class="databox filters" cellpadding="0" cellspacing="0" border="0" style="width:100%;">';
        echo '<tr>';
        echo '<td>'.$filter_groups.'</td>';
        echo '<td>'.$check.'</td>';
        if ($config['pure'] == 1) {
        echo '<td>'.$comborefr.'</td>';
        }

        echo '<td> <strong>'.__('Full screen').'</strong>'.$fullscreen['text'].'</td>';
        echo '</tr>';
        echo '</table>';

        if ($show_modules) {
        if ($group_id > 0) {
            $grupo = " AND tagente.id_grupo = $group_id";
        } else {
            $grupo = '';
        }

        $offset_modules = get_parameter('offset', 0);
        $sql_count = "SELECT COUNT(tagente_modulo.nombre) FROM tagente_modulo
        INNER JOIN tagente ON tagente.id_agente = tagente_modulo.id_agente
        WHERE id_agente_modulo NOT IN (SELECT id_agent_module FROM talert_template_modules)
        $grupo";
        $count_agent_module = db_get_all_rows_sql($sql_count);

        $sql = "SELECT tagente.alias, tagente_modulo.nombre,
        tagente_modulo.id_agente_modulo FROM tagente_modulo
        INNER JOIN tagente ON tagente.id_agente = tagente_modulo.id_agente
        WHERE id_agente_modulo NOT IN (SELECT id_agent_module FROM talert_template_modules)
        $grupo LIMIT 20 OFFSET $offset_modules";
        $agent_modules = db_get_all_rows_sql($sql);

        ui_pagination(
            $count_agent_module[0]['COUNT(tagente_modulo.nombre)'],
            ui_get_url_refresh(),
            0,
            0,
            false,
            'offset',
            true,
            '',
            '',
            false,
            'alerts_modules'
        );

        $table->width = '100%';
        $table->class = 'databox data';
        $table->id = 'table_agent_module';
        $table->data = [];

        $table->head[0] = __('Agents');
        $table->head[1] = __('Modules');
        $table->head[2] = __('Actions');

        $table->style[0] = 'width: 25%;';
        $table->style[1] = 'width: 33%;';
        $table->style[2] = 'width: 33%;';

        foreach ($agent_modules as $agent_module) {
            $data[0] = io_safe_output($agent_module['alias']);
            $data[1] = io_safe_output($agent_module['nombre']);
            $uniqid = $agent_module['id_agente_modulo'];
            $data[2] = "<a title='".__('Create alert')."' href='javascript:show_add_alerts(\"$uniqid\")'>".html_print_image('images/add_mc.png', true).'</a>';
            array_push($table->data, $data);

            $table2->width = '100%';
            $table2->id = 'table_add_alert';
            $table2->class = 'databox filters';
            $table2->data = [];
            // $data[0] =
            $table2->data[0][0] = __('Actions');

            $groups_user = users_get_groups($config['id_user']);
            if (!empty($groups_user)) {
                $groups = implode(',', array_keys($groups_user));
                $sql = "SELECT id, name FROM talert_actions WHERE id_group IN ($groups)";
                $actions = db_get_all_rows_sql($sql);
            }

            $table2->data[0][1] = html_print_select(
                index_array($actions, 'id', 'name'),
                'action_select',
                '',
                '',
                __('Default action'),
                '0',
                true,
                '',
                true,
                '',
                false,
                'width: 250px;'
            );
            $table2->data[0][1] .= '<span id="advanced_action" class="advanced_actions invisible"><br>';
            $table2->data[0][1] .= __('Number of alerts match from').' ';
            $table2->data[0][1] .= html_print_input_text('fires_min', '', '', 4, 10, true);
            $table2->data[0][1] .= ' '.__('to').' ';
            $table2->data[0][1] .= html_print_input_text('fires_max', '', '', 4, 10, true);
            $table2->data[0][1] .= ui_print_help_icon(
                'alert-matches',
                true,
                ui_get_full_url(false, false, false, false)
            );
            $table2->data[0][1] .= '</span>';
            if (check_acl($config['id_user'], 0, 'LM')) {
                $table2->data[0][1] .= '<a style="margin-left:5px;" href="index.php?sec=galertas&sec2=godmode/alerts/configure_alert_action&pure='.$pure.'">';
                $table2->data[0][1] .= html_print_image('images/add.png', true);
                $table2->data[0][1] .= '<span style="margin-left:5px;vertical-align:middle;">'.__('Create Action').'</span>';
                $table2->data[0][1] .= '</a>';
            }

            $table2->data[1][0] = __('Template');
            $own_info = get_user_info($config['id_user']);
            if ($own_info['is_admin'] || check_acl($config['id_user'], 0, 'PM')) {
                $templates = alerts_get_alert_templates(false, ['id', 'name']);
            } else {
                $usr_groups = users_get_groups($config['id_user'], 'LW', true);
                $filter_groups = '';
                $filter_groups = implode(',', array_keys($usr_groups));
                $templates = alerts_get_alert_templates(['id_group IN ('.$filter_groups.')'], ['id', 'name']);
            }

            $table2->data[1][1] = html_print_select(
                index_array($templates, 'id', 'name'),
                'template',
                '',
                '',
                __('Select'),
                0,
                true,
                false,
                true,
                '',
                false,
                'width: 250px;'
            );
            $table2->data[1][1] .= ' <a class="template_details invisible" href="#">'.html_print_image('images/zoom.png', true, ['class' => 'img_help']).'</a>';
            if (check_acl($config['id_user'], 0, 'LM')) {
                $table2->data[1][1] .= '<a href="index.php?sec=galertas&sec2=godmode/alerts/configure_alert_template&pure='.$pure.'">';
                $table2->data[1][1] .= html_print_image('images/add.png', true);
                $table2->data[1][1] .= '<span style="margin-left:5px;vertical-align:middle;">'.__('Create Template').'</span>';
                $table2->data[1][1] .= '</a>';
            }

            $table2->data[2][0] = __('Threshold');
            $table2->data[2][1] = html_print_input_text('module_action_threshold', '0', '', 5, 7, true);
            $table2->data[2][1] .= ' '.__('seconds');

            $content2 = '<form class="add_alert_form" method="post">';
            $content2 .= html_print_table($table2, true);

            $content2 .= '<div class="action-buttons" style="width: '.$table2->width.'">';
            $content2 .= html_print_submit_button(__('Add alert'), 'add', false, 'class="sub wand"', true);
            $content2 .= html_print_input_hidden('create_alert', $uniqid, true);
            $content2 .= '</div></form>';

            $module_name = ui_print_truncate_text(io_safe_output($agent_module['nombre']), 40, false, true, false, '&hellip;', false);
            echo '<div id="add_alerts_dialog_'.$uniqid.'" title="'.__('Agent').': '.$agent_module['alias'].' / '.__('module').': '.$module_name.'" style="display:none">'.$content2.'</div>';
        }

        html_print_table($table);
        } else {
        $filter = [
            'offset' => (int) $offset,
            'limit'  => (int) $config['block_size'],
        ];
        $filter_count = [];

        if ($group_id > 0) {
            $filter['id_grupo'] = $group_id;
            $filter_count['id_grupo'] = $group_id;
        }

        // Get the id of all agents with alerts
        $sql = 'SELECT DISTINCT(id_agente)
            FROM tagente_modulo
            WHERE id_agente_modulo IN
                (SELECT id_agent_module
                FROM talert_template_modules)';
        $agents_with_alerts_raw = db_get_all_rows_sql($sql);

        if ($agents_with_alerts_raw === false) {
            $agents_with_alerts_raw = [];
        }

        $agents_with_alerts = [];
        foreach ($agents_with_alerts_raw as $awar) {
            $agents_with_alerts[] = $awar['id_agente'];
        }

        $filter['id_agente'] = $agents_with_alerts;
        $filter_count['id_agente'] = $agents_with_alerts;

        $agents = agents_get_agents($filter);

        $nagents = count(agents_get_agents($filter_count));

        if ($agents == false) {
            ui_print_info_message(['no_close' => true, 'message' => __('There are no agents with alerts') ]);
            return;
        }

        $all_alerts = agents_get_alerts_simple();

        if ($config['pure'] == 1) {
            $block = count($all_alerts);
        }

        $templates = [];
        $agent_alerts = [];
        foreach ($all_alerts as $alert) {
            $templates[$alert['id_alert_template']] = '';
            $agent_alerts[$alert['agent_name']][$alert['id_alert_template']][] = $alert;
        }

        // Prepare pagination.
        ui_pagination(
            $nagents,
            false,
            0,
            3,
            false,
            'offset',
            true,
            '',
            '',
            [
                'count'  => '',
                'offset' => 'offset_param',
            ],
            'alerts_agents'
        );

        echo '<table class="info_table" cellpadding="0" cellspacing="0" border="0" width=100%>';
        echo '<thead><tr>';
        echo "<th width='140px' >".__('Agents').' / '.__('Alert templates').'</th>';

        $templates_raw = [];
        if (!empty($templates)) {
            $sql = sprintf(
                'SELECT id, name
                FROM talert_templates
                WHERE id IN (%s)',
                implode(',', array_keys($templates))
            );

            $templates_raw = db_get_all_rows_sql($sql);
        }

        if (empty($templates_raw)) {
            $templates_raw = [];
        }

        $alerts = [];
        $ntemplates = 0;
        foreach ($templates_raw as $temp) {
            if (isset($templates[$temp['id']]) && $templates[$temp['id']] == '') {
                $ntemplates++;
                if ($ntemplates <= $hor_offset || $ntemplates > ($hor_offset + $block)) {
                    continue;
                }

                $templates[$temp['id']] = $temp['name'];
            }
        }

        foreach ($templates as $tid => $tname) {
            if ($tname == '') {
                continue;
            }

            echo '<th width="20px" >'.io_safe_output($tname).'</th>';
        }

        echo '</tr></thead>';

        foreach ($agents as $agent) {
            $alias = db_get_row('tagente', 'id_agente', $agent['id_agente']);
            echo '<tr>';
            // Name of the agent.
            echo '<td style="font-weight:bold;">'.$alias['alias'].'</td>';

            // Alerts of the agent.
            $anyfired = false;
            foreach ($templates as $tid => $tname) {
                if ($tname == '') {
                    continue;
                }

                if (isset($agent_alerts[$agent['nombre']][$tid])) {
                    foreach ($agent_alerts[$agent['nombre']][$tid] as $alert) {
                        if ($alert['times_fired'] > 0) {
                            $anyfired = true;
                        }
                    }

                    $cellstyle = '';
                    if ($anyfired) {
                        $cellstyle = 'background:'.COL_ALERTFIRED.';';
                    }

                    echo '<td style=";'.$cellstyle.'" class="action_buttons"> ';

                    $uniqid = uniqid();
                    echo '<div>';

                    echo count($agent_alerts[$agent['nombre']][$tid]).' '.__('Alerts').' ';

                    echo "<a href='javascript:show_alerts_details(\"$uniqid\")'>".html_print_image('images/zoom.png', true).'</a>';

                    echo '</div>';

                    print_alerts_summary_modal_window($uniqid, $agent_alerts[$agent['nombre']][$tid]);
                } else {
                    echo '<td style="text-align:center"> ';
                }

                echo '</td>';
            }

            echo '</tr>';
        }

        echo '<tr>';

        if ($hor_offset > 0) {
            $new_hor_offset = ($hor_offset - $block);
            echo "<th width='20px' style='' colspan='".($ntemplates)."'>
                    <a href='index.php?sec=extensions&sec2=extensions/agents_alerts&refr=0&hor_offset=".$new_hor_offset.'&offset='.$offset.'&group_id='.$group_id."'>".html_print_image('images/darrowleft.png', true, ['style' => 'float: right;', 'title' => __('Previous templates')]).'</a> </th>';
        }

        if (($hor_offset + $block) < $ntemplates) {
            $new_hor_offset = ($hor_offset + $block);
            echo "<th width='20px' colspan='".($ntemplates)."'>";
            echo "<a href='index.php?sec=extensions&sec2=extensions/agents_alerts&hor_offset=".$new_hor_offset.'&offset='.$offset.'&group_id='.$group_id."'>".html_print_image('images/darrowright.png', true, ['style' => 'float: right;', 'title' => __('More templates')])."</a>";
            echo '</th>';
        }

        echo '</tr>';

        echo '</table>';

        ui_pagination(
            $nagents,
            false,
            0,
            0,
            false,
            'offset',
            true,
            'pagination-bottom',
            '',
            [
                'count'  => '',
                'offset' => 'offset_param',
            ],
            'alerts_agents'
        );
        }
    */
}