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467 lines
17 KiB
PHP
467 lines
17 KiB
PHP
<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2023 The Cacti Group |
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| |
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| This program is free software; you can redistribute it and/or |
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| modify it under the terms of the GNU General Public License |
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| as published by the Free Software Foundation; either version 2 |
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| of the License, or (at your option) any later version. |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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+-------------------------------------------------------------------------+
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| Cacti: The Complete RRDtool-based Graphing Solution |
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+-------------------------------------------------------------------------+
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| This code is designed, written, and maintained by the Cacti Group. See |
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| about.php and/or the AUTHORS file for specific developer information. |
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+-------------------------------------------------------------------------+
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| http://www.cacti.net/ |
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+-------------------------------------------------------------------------+
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*/
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$guest_account = true;
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include('./include/auth.php');
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include_once('./lib/rrd.php');
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$config['force_storage_location_local'] = true;
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/* ================= input validation ================= */
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get_filter_request_var('graph_start');
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get_filter_request_var('graph_end');
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get_filter_request_var('graph_height');
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get_filter_request_var('graph_width');
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get_filter_request_var('graph_nolegend', FILTER_VALIDATE_REGEXP, array('options' => array('regexp' => '(true|false)')));
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get_filter_request_var('local_graph_id');
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get_filter_request_var('size');
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get_filter_request_var('ds_step');
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get_filter_request_var('count');
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get_filter_request_var('top');
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get_filter_request_var('left');
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/* ==================================================== */
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set_default_action();
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switch (get_request_var('action')) {
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case 'init':
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case 'timespan':
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case 'interval':
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case 'countdown':
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ob_start();
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$guest_account = true;
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switch (get_request_var('action')) {
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case 'init':
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load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
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load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
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load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
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load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
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break;
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case 'timespan':
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load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
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break;
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case 'interval':
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load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
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load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
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load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
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load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
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break;
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case 'countdown':
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load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
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load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
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load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
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load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
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break;
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default:
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load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
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load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
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load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
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load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
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break;
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}
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$graph_data_array = array();
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/* ds */
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$graph_data_array['ds_step'] = read_user_setting('realtime_interval', 10);
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if (!isempty_request_var('ds_step')) {
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$graph_data_array['ds_step'] = get_request_var('ds_step');
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$_SESSION['sess_realtime_dsstep'] = get_request_var('ds_step');
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}
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/* override: graph height (in pixels) */
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if (!isempty_request_var('graph_height') && get_request_var('graph_height') < 3000) {
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$graph_data_array['graph_height'] = get_request_var('graph_height');
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} else {
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$graph_data_array['graph_height'] = 125;
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}
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/* override: graph width (in pixels) */
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if (!isempty_request_var('graph_width') && get_request_var('graph_width') < 3000) {
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$graph_data_array['graph_width'] = get_request_var('graph_width');
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} else {
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$graph_data_array['graph_width'] = 425;
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}
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/* override: skip drawing the legend? */
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if (get_request_var('graph_nolegend') == 'true') {
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$graph_data_array['graph_nolegend'] = 'true';
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}
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if (isset_request_var('size') && get_request_var('size') > 0) {
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$_SESSION['sess_realtime_size'] = get_request_var('size');
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$size = get_request_var('size');
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} elseif (isset($_SESSION['sess_realtime_size']) && $_SESSION['sess_realtime_size'] != '') {
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$size = $_SESSION['sess_realtime_size'];
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} else {
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$size = 100;
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}
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if (isset_request_var('local_graph_id')) {
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$graph_data = db_fetch_row_prepared('SELECT width, height
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FROM graph_templates_graph
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WHERE local_graph_id = ?',
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array(get_request_var('local_graph_id')));
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if (cacti_sizeof($graph_data)) {
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$graph_data_array['graph_height'] = $graph_data['height'];
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$graph_data_array['graph_width'] = $graph_data['width'];
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}
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}
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if (isset_request_var('size') && get_request_var('size') < 100) {
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$graph_data_array['graph_height'] = $graph_data_array['graph_height'] * $size / 100;
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$graph_data_array['graph_width'] = $graph_data_array['graph_width'] * $size / 100;
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}
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/* override: graph start */
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if (!isempty_request_var('graph_start')) {
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$graph_data_array['graph_start'] = get_request_var('graph_start');
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if ($graph_data_array['graph_start'] < 0) {
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$graph_data_array['graph_start'] = time() + $graph_data_array['graph_start'];
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}
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$_SESSION['sess_realtime_window'] = abs(get_request_var('graph_start'));
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}
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/* override: graph end */
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if (!isempty_request_var('graph_end')) {
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$graph_data_array['graph_end'] = get_request_var('graph_end');
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} else {
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$graph_data_array['graph_end'] = time();
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}
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/* print RRDtool graph source? */
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if (!isempty_request_var('show_source')) {
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$graph_data_array['print_source'] = get_request_var('show_source');
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}
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/* check ds */
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if ($graph_data_array['ds_step'] < 1) {
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$graph_data_array['ds_step'] = read_user_setting('realtime_interval', 10);
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}
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// Determine the graph type of the output
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if (!isset_request_var('image_format')) {
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$type = db_fetch_cell_prepared('SELECT image_format_id
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FROM graph_templates_graph
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WHERE local_graph_id = ?',
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array(get_request_var('local_graph_id')));
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switch($type) {
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case '1':
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$gtype = 'png';
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break;
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case '3':
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$gtype = 'svg+xml';
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break;
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default:
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$gtype = 'png';
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break;
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}
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} else {
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switch(strtolower(get_nfilter_request_var('image_format'))) {
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case 'png':
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$graph_data_array['image_format'] = 'png';
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break;
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case 'svg':
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$gtype = 'svg+xml';
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break;
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default:
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$gtype = 'png';
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break;
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}
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}
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$graph_data_array['image_format'] = $gtype;
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/* call poller */
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$graph_rrd = read_config_option('realtime_cache_path') . '/user_' . hash('sha256', session_id()) . '_lgi_' . get_request_var('local_graph_id') . '.png';
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$command = read_config_option('path_php_binary');
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$args = sprintf('poller_realtime.php --graph=%s --interval=%d --poller_id=' . hash('sha256',session_id()), get_request_var('local_graph_id'), $graph_data_array['ds_step']);
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shell_exec("$command $args");
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/* construct the image name */
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$graph_data_array['export_realtime'] = $graph_rrd;
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$graph_data_array['output_flag'] = RRDTOOL_OUTPUT_GRAPH_DATA;
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$null_param = array();
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$output = rrdtool_function_graph(get_request_var('local_graph_id'), '', $graph_data_array, '', $null_param, $_SESSION['sess_user_id']);
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$error = '';
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if (file_exists($graph_rrd)) {
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$graph_contents = file_get_contents($graph_rrd);
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if (preg_match('/^ERROR/',$graph_contents)) {
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$error = $graph_contents;
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$output = '';
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}
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}
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if (empty($output) && empty($error)) {
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$graph_data_array['get_error'] = true;
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$null_param = array();
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rrdtool_function_graph(get_request_var('local_graph_id'), '', $graph_data_array, '', $null_param, $_SESSION['sess_user_id']);
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$error = ob_get_contents();
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if (read_config_option('stats_poller') == '') {
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$error = __('The Cacti Poller has not run yet.');
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}
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}
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if (!empty($error)) {
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$graph_data_array['get_error'] = true;
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if (isset($graph_data_array['graph_width']) && isset($graph_data_array['graph_height'])) {
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$graph_contents = rrdtool_create_error_image($error, $graph_data_array['graph_width'], $graph_data_array['graph_height']);
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} else {
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$graph_contents = rrdtool_create_error_image($error);
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}
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ob_end_clean();
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if ($graph_contents === false) {
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$graph_contents = file_get_contents(__DIR__ . '/images/cacti_error_image.png');
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}
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}
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if (isset($graph_contents)) {
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$data = base64_encode($graph_contents);
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} else {
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$data = '';
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}
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/* save user preferences */
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set_user_setting('realtime_interval', get_request_var('ds_step'));
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set_user_setting('realtime_gwindow', abs(get_request_var('graph_start')));
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set_user_setting('realtime_size', get_request_var('size'));
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set_user_setting('realtime_nolegend', get_request_var('graph_nolegend'));
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$_SESSION['sess_realtime_ds_step'] = get_request_var('ds_step');
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$_SESSION['sess_realtime_graph_start'] = get_request_var('graph_start');
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$_SESSION['sess_realtime_size'] = get_request_var('size');
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$_SESSION['sess_realtime_nolegend'] = get_request_var('graph_nolegend');
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/* send text information back to browser as well as image information */
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$return_array = array(
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'local_graph_id' => get_request_var('local_graph_id'),
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'top' => get_request_var('top'),
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'left' => get_request_var('left'),
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'ds_step' => html_escape(isset($_SESSION['sess_realtime_ds_step']) ? $_SESSION['sess_realtime_ds_step']:$graph_data_array['ds_step']),
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'graph_start' => html_escape(isset($_SESSION['sess_realtime_graph_start']) ? $_SESSION['sess_realtime_graph_start']:$graph_data_array['graph_start']),
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'size' => html_escape(isset($_SESSION['sess_realtime_size']) ? $_SESSION['sess_realtime_size']:read_user_setting('realtime_size', 100)),
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'thumbnails' => html_escape(isset($_SESSION['sess_realtime_nolegend']) ? $_SESSION['sess_realtime_nolegend']:'false'),
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'data' => (isset($data) ? $data:''),
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'image_format' => $graph_data_array['image_format']
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);
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print json_encode($return_array);
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exit;
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break;
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case 'view':
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$graph_rrd = read_config_option('realtime_cache_path') . '/user_' . hash('sha256',session_id()) . '_lgi_' . get_request_var('local_graph_id') . '.png';
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if (file_exists($graph_rrd)) {
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print base64_encode(file_get_contents($graph_rrd));
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}
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exit;
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break;
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default:
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load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
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load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
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load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
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load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
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break;
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}
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/* ================= input validation ================= */
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get_filter_request_var('ds_step');
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get_filter_request_var('local_graph_id');
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get_filter_request_var('graph_start');
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get_filter_request_var('size');
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/* ==================================================== */
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$init = '';
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if (!isset($_SESSION['sess_realtime_ds_step'])) {
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load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
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} else {
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set_request_var('ds_step', $_SESSION['sess_realtime_ds_step']);
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}
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if (!isset($_SESSION['sess_realtime_graph_start'])) {
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load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
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} else {
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set_request_var('graph_start', $_SESSION['sess_realtime_graph_start']);
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}
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/* save user preferences */
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set_user_setting('realtime_interval', get_request_var('ds_step'));
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set_user_setting('realtime_gwindow', abs(get_request_var('graph_start')));
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set_user_setting('realtime_size', get_request_var('size'));
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set_user_setting('realtime_nolegend', get_request_var('graph_nolegend'));
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if (read_config_option('realtime_enabled') == '') {
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print "<html>\n";
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print "<body>\n";
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print " <p><strong>" . __('Real-time has been disabled by your administrator.') . "</strong></p>\n";
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print "</body>\n";
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print "</html>\n";
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exit;
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} elseif (!is_dir(read_config_option('realtime_cache_path'))) {
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print "<html>\n";
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print "<body>\n";
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print " <p><strong>" . __('The Image Cache Directory does not exist. Please first create it and set permissions and then attempt to open another Real-time graph.') . "</strong></p>\n";
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print "</body>\n";
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print "</html>\n";
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exit;
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} elseif (!is_writable(read_config_option('realtime_cache_path'))) {
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print "<html>\n";
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print "<body>\n";
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print " <p><strong>" . __('The Image Cache Directory is not writable. Please set permissions and then attempt to open another Real-time graph.') . "</strong></p>\n";
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print "</body>\n";
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print "</html>\n";
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exit;
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}
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$selectedTheme = get_selected_theme();
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$sizes = array(
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'100' => '100%',
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'90' => '90%',
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'80' => '80%',
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'70' => '70%',
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'60' => '60%',
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'50' => '50%',
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'40' => '40%'
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);
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?>
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<html>
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<head>
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<?php html_common_header(__('Cacti Real-time Graphing'));?>
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<?php include($config['base_path'] . '/include/global_session.php'); ?>
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</head>
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<body style='font-size:12px;'>
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<form method='post' action='graph_realtime.php' id='gform'>
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<div id='rtfilter' class='cactiTable center'>
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<div class='filterTable even'>
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<select id='graph_start' onChange='imageOptionsChanged("timespan")'>
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<?php
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foreach ($realtime_window as $interval => $text) {
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printf('<option value="%d"%s>%s</option>',
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$interval, $interval == abs(get_request_var('graph_start')) ? ' selected="selected"' : '', $text
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);
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}
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?>
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</select>
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<select id='ds_step' onChange='imageOptionsChanged("interval")'>
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<?php
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$min_refresh = read_config_option('realtime_interval');
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foreach ($realtime_refresh as $interval => $text) {
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if ($interval >= $min_refresh) {
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printf('<option value="%d"%s>%s</option>',
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$interval, $interval == get_request_var('ds_step') ? ' selected="selected"' : '', $text
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);
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}
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}
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?>
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</select>
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<select id='size' onChange='imageOptionsChanged("interval")'>
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<?php
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foreach ($sizes as $key => $value) {
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printf('<option value="%d"%s>%s</option>',
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$key, $key == get_request_var('size') ? ' selected="selected"' : '', $value
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);
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}
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?>
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</select>
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<input type='checkbox' id='thumbnails' onChange='imageOptionsChanged("interval")' <?php print get_request_var('graph_nolegend') == 'true' ? 'checked':'';?>>
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<label for='thumbnails'><?php print __('Thumbnails');?></label>
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</div>
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</div>
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<div class='cactiTable center'>
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<span id='countdown'><?php print __('%d seconds left.', get_request_var('ds_step')); ?></span>
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</div>
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<div id='image' class='center' style='padding:2px;'></div>
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<input type='hidden' id='url_path' name='url_path' value='<?php echo $config['url_path'];?>'/>
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<input type='hidden' id='local_graph_id' name='local_graph_id' value='<?php echo get_request_var('local_graph_id'); ?>'/>
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<script type='text/javascript'>
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var url;
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var ds_step = 0;
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var sizeset = false;
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var count = 0;
|
|
var realtimePopout = true;
|
|
var refreshIsLogout= false;
|
|
var refreshPage=urlPath+'/graph_realtime.php?action=countdown&size='+$('#size').val();
|
|
var refreshMSeconds=999999999;
|
|
var myCountdown = {};
|
|
var secondsLeft = '<?php print __(' seconds left.');?>';
|
|
|
|
function countdown_update() {
|
|
ds_step--;
|
|
|
|
if (ds_step < 0) {
|
|
ds_step = $('#ds_step').val();
|
|
imageOptionsChanged('countdown');
|
|
sizeset = false;
|
|
}
|
|
|
|
setRealtimeWindowSize();
|
|
|
|
$('#countdown').empty().html(ds_step + secondsLeft);
|
|
|
|
count++;
|
|
|
|
destroy(myCountdown);
|
|
|
|
myCountdown = setTimeout(function() {
|
|
countdown_update();
|
|
}, 1000);
|
|
}
|
|
|
|
$(function() {
|
|
imageOptionsChanged('init');
|
|
myCountdown = setTimeout(function() {
|
|
countdown_update();
|
|
}, 1000);
|
|
});
|
|
|
|
</script>
|
|
</form>
|
|
</body>
|
|
</html>
|
|
|