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<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2019 The Cacti Group |
| |
| 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. |
+-------------------------------------------------------------------------+
| Cacti: The Complete RRDtool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
$guest_account = true;
include('./include/auth.php');
include_once('./lib/rrd.php');
$config['force_storage_location_local'] = true;
/* ================= input validation ================= */
get_filter_request_var('graph_start');
get_filter_request_var('graph_end');
get_filter_request_var('graph_height');
get_filter_request_var('graph_width');
get_filter_request_var('graph_nolegend', FILTER_VALIDATE_REGEXP, array('options' => array('regexp' => '(true|false)')));
get_filter_request_var('local_graph_id');
get_filter_request_var('size');
get_filter_request_var('ds_step');
get_filter_request_var('count');
get_filter_request_var('top');
get_filter_request_var('left');
/* ==================================================== */
set_default_action();
switch (get_request_var('action')) {
case 'init':
case 'timespan':
case 'interval':
case 'countdown':
ob_start();
$guest_account = true;
switch (get_request_var('action')) {
case 'init':
load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
break;
case 'timespan':
load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
break;
case 'interval':
load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
break;
case 'countdown':
load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
break;
default:
load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
break;
}
$graph_data_array = array();
/* ds */
$graph_data_array['ds_step'] = read_user_setting('realtime_interval', 10);
if (!isempty_request_var('ds_step')) {
$graph_data_array['ds_step'] = get_request_var('ds_step');
$_SESSION['sess_realtime_dsstep'] = get_request_var('ds_step');
}
/* override: graph height (in pixels) */
if (!isempty_request_var('graph_height') && get_request_var('graph_height') < 3000) {
$graph_data_array['graph_height'] = get_request_var('graph_height');
}
/* override: graph width (in pixels) */
if (!isempty_request_var('graph_width') && get_request_var('graph_width') < 3000) {
$graph_data_array['graph_width'] = get_request_var('graph_width');
}
/* override: skip drawing the legend? */
if (get_request_var('graph_nolegend') == 'true') {
$graph_data_array['graph_nolegend'] = 'true';
}
if (isset_request_var('size') && get_request_var('size') > 0) {
$_SESSION['sess_realtime_size'] = get_request_var('size');
$size = get_request_var('size');
} elseif (isset($_SESSION['sess_realtime_size']) && $_SESSION['sess_realtime_size'] != '') {
$size = $_SESSION['sess_realtime_size'];
} else {
$size = 100;
}
if (isset_request_var('local_graph_id')) {
$graph_data = db_fetch_row_prepared('SELECT width, height
FROM graph_templates_graph
WHERE local_graph_id = ?',
array(get_request_var('local_graph_id')));
if (cacti_sizeof($graph_data)) {
$graph_data_array['graph_height'] = $graph_data['height'];
$graph_data_array['graph_width'] = $graph_data['width'];
}
}
if (isset_request_var('size') && get_request_var('size') < 100) {
$graph_data_array['graph_height'] = $graph_data_array['graph_height'] * $size / 100;
$graph_data_array['graph_width'] = $graph_data_array['graph_width'] * $size / 100;
}
/* override: graph start */
if (!isempty_request_var('graph_start')) {
$graph_data_array['graph_start'] = get_request_var('graph_start');
if ($graph_data_array['graph_start'] < 0) {
$graph_data_array['graph_start'] = time() + $graph_data_array['graph_start'];
}
$_SESSION['sess_realtime_window'] = abs(get_request_var('graph_start'));
}
/* override: graph end */
if (!isempty_request_var('graph_end')) {
$graph_data_array['graph_end'] = get_request_var('graph_end');
} else {
$graph_data_array['graph_end'] = time();
}
/* print RRDtool graph source? */
if (!isempty_request_var('show_source')) {
$graph_data_array['print_source'] = get_request_var('show_source');
}
/* check ds */
if ($graph_data_array['ds_step'] < 1) {
$graph_data_array['ds_step'] = read_user_setting('realtime_interval', 10);
}
/* call poller */
$graph_rrd = read_config_option('realtime_cache_path') . '/user_' . session_id() . '_lgi_' . get_request_var('local_graph_id') . '.png';
$command = read_config_option('path_php_binary');
$args = sprintf('poller_realtime.php --graph=%s --interval=%d --poller_id=' . session_id(), get_request_var('local_graph_id'), $graph_data_array['ds_step']);
shell_exec("$command $args");
/* construct the image name */
$graph_data_array['export_realtime'] = $graph_rrd;
$graph_data_array['output_flag'] = RRDTOOL_OUTPUT_GRAPH_DATA;
$null_param = array();
rrdtool_function_graph(get_request_var('local_graph_id'), '', $graph_data_array, '', $null_param, $_SESSION['sess_user_id']);
if (file_exists($graph_rrd)) {
$data = base64_encode(file_get_contents($graph_rrd));
}
/* save user preferences */
set_user_setting('realtime_interval', get_request_var('ds_step'));
set_user_setting('realtime_gwindow', abs(get_request_var('graph_start')));
set_user_setting('realtime_size', get_request_var('size'));
set_user_setting('realtime_nolegend', get_request_var('graph_nolegend'));
$_SESSION['sess_realtime_ds_step'] = get_request_var('ds_step');
$_SESSION['sess_realtime_graph_start'] = get_request_var('graph_start');
$_SESSION['sess_realtime_size'] = get_request_var('size');
$_SESSION['sess_realtime_nolegend'] = get_request_var('graph_nolegend');
/* send text information back to browser as well as image information */
$return_array = array(
'local_graph_id' => get_request_var('local_graph_id'),
'top' => get_request_var('top'),
'left' => get_request_var('left'),
'ds_step' => (isset($_SESSION['sess_realtime_ds_step']) ? $_SESSION['sess_realtime_ds_step']:$graph_data_array['ds_step']),
'graph_start' => (isset($_SESSION['sess_realtime_graph_start']) ? $_SESSION['sess_realtime_graph_start']:$graph_data_array['graph_start']),
'size' => (isset($_SESSION['sess_realtime_size']) ? $_SESSION['sess_realtime_size']:read_user_setting('realtime_size', 100)),
'thumbnails' => (isset($_SESSION['sess_realtime_nolegend']) ? $_SESSION['sess_realtime_nolegend']:'false'),
'data' => (isset($data) ? $data:'')
);
print json_encode($return_array);
exit;
break;
case 'view':
$graph_rrd = read_config_option('realtime_cache_path') . '/user_' . session_id() . '_lgi_' . get_request_var('local_graph_id') . '.png';
if (file_exists($graph_rrd)) {
print base64_encode(file_get_contents($graph_rrd));
}
exit;
break;
default:
load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
load_current_session_value('size', 'sess_realtime_size', read_user_setting('realtime_size', 100));
load_current_session_value('graph_nolegend', 'sess_realtime_nolegend', read_user_setting('realtime_nolegend', 'false'));
break;
}
/* ================= input validation ================= */
get_filter_request_var('ds_step');
get_filter_request_var('local_graph_id');
get_filter_request_var('graph_start');
get_filter_request_var('size');
/* ==================================================== */
$init = '';
if (!isset($_SESSION['sess_realtime_ds_step'])) {
load_current_session_value('ds_step', 'sess_realtime_ds_step', read_user_setting('realtime_interval', 10));
} else {
set_request_var('ds_step', $_SESSION['sess_realtime_ds_step']);
}
if (!isset($_SESSION['sess_realtime_graph_start'])) {
load_current_session_value('graph_start', 'sess_realtime_graph_start', read_user_setting('realtime_gwindow', 60));
} else {
set_request_var('graph_start', $_SESSION['sess_realtime_graph_start']);
}
/* save user preferences */
set_user_setting('realtime_interval', get_request_var('ds_step'));
set_user_setting('realtime_gwindow', abs(get_request_var('graph_start')));
set_user_setting('realtime_size', get_request_var('size'));
set_user_setting('realtime_nolegend', get_request_var('graph_nolegend'));
if (read_config_option('realtime_enabled') == '') {
print "<html>\n";
print "<body>\n";
print " <p><strong>" . __('Real-time has been disabled by your administrator.') . "</strong></p>\n";
print "</body>\n";
print "</html>\n";
exit;
} elseif (!is_dir(read_config_option('realtime_cache_path'))) {
print "<html>\n";
print "<body>\n";
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";
print "</body>\n";
print "</html>\n";
exit;
} elseif (!is_writable(read_config_option('realtime_cache_path'))) {
print "<html>\n";
print "<body>\n";
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";
print "</body>\n";
print "</html>\n";
exit;
}
$selectedTheme = get_selected_theme();
$sizes = array(
'100' => '100%',
'90' => '90%',
'80' => '80%',
'70' => '70%',
'60' => '60%',
'50' => '50%',
'40' => '40%'
);
?>
<html>
<head>
<?php html_common_header(__('Cacti Real-time Graphing'));?>
<?php include($config['base_path'] . '/include/global_session.php'); ?>
</head>
<body style='font-size:12px;'>
<form method='post' action='graph_realtime.php' id='gform'>
<div id='rtfilter' class='cactiTable center'>
<div class='filterTable even'>
<select id='graph_start' onChange='imageOptionsChanged("timespan")'>
<?php
foreach ($realtime_window as $interval => $text) {
printf('<option value="%d"%s>%s</option>',
$interval, $interval == abs(get_request_var('graph_start')) ? ' selected="selected"' : '', $text
);
}
?>
</select>
<select id='ds_step' onChange='imageOptionsChanged("interval")'>
<?php
foreach ($realtime_refresh as $interval => $text) {
printf('<option value="%d"%s>%s</option>',
$interval, $interval == get_request_var('ds_step') ? ' selected="selected"' : '', $text
);
}
?>
</select>
<select id='size' onChange='imageOptionsChanged("interval")'>
<?php
foreach ($sizes as $key => $value) {
printf('<option value="%d"%s>%s</option>',
$key, $key == get_request_var('size') ? ' selected="selected"' : '', $value
);
}
?>
</select>
<label for='thumbnails'><?php print __('Thumbnails');?></label>
<input type='checkbox' id='thumbnails' onChange='imageOptionsChanged("interval")' <?php print get_request_var('graph_nolegend') == 'true' ? 'checked':'';?>>
</div>
</div>
<div class='cactiTable center'>
<span id='countdown'><?php print __('%d seconds left.', get_request_var('ds_step')); ?></span>
</div>
<div id='image' class='center' style='padding:2px;'>
<i id='imaging' style='font-size:40px;' class='fa fa-spin fa-circle-notch'></i>
</div>
<input type='hidden' id='url_path' name='url_path' value='<?php echo $config['url_path'];?>'/>
<input type='hidden' id='local_graph_id' name='local_graph_id' value='<?php echo get_request_var('local_graph_id'); ?>'/>
<script type='text/javascript'>
var url;
var ds_step = 0;
var sizeset = false;
var count = 0;
var realtimePopout = true;
var refreshIsLogout= false;
var refreshPage=urlPath+'/graph_realtime.php?action=countdown';
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('countdown_update()', 1000);
}
$(function() {
imageOptionsChanged('init');
myCountdown = setTimeout('countdown_update()', 1000);
});
</script>
</form>
</body>
</html>
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