mirror of
https://github.com/Cacti/cacti.git
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129 lines
4.4 KiB
PHP
129 lines
4.4 KiB
PHP
<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2016 The Cacti Group |
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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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/* since we'll have additional headers, tell php when to flush them */
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ob_start();
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$guest_account = true;
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$gtype = 'png';
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include('./include/auth.php');
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include_once('./lib/rrd.php');
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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('local_graph_id');
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get_filter_request_var('rra_id');
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if (isset_request_var('graph_nolegend')) {
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set_request_var('graph_nolegend', 'true');
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}
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get_filter_request_var('graph_theme', FILTER_CALLBACK, array('options' => 'sanitize_search_string'));
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/* ==================================================== */
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api_plugin_hook_function('graph_image');
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$graph_data_array = array();
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// Determine the graph type of the output
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if (!isset_request_var('image_format')) {
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$type = db_fetch_cell('SELECT image_format_id FROM graph_templates_graph WHERE local_graph_id=' . 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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$gtype = 'svg+xml';
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break;
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}
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}else{
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switch(strtolower(get_nfilter_request_var('image_format'))) {
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case 'png':
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$gtype = '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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header('Content-type: image/'. $gtype);
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/* flush the headers now */
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ob_end_clean();
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session_write_close();
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/* override: graph start time (unix time) */
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if (!isempty_request_var('graph_start') && get_request_var('graph_start') < 1600000000) {
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$graph_data_array['graph_start'] = get_request_var('graph_start');
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}
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/* override: graph end time (unix time) */
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if (!isempty_request_var('graph_end') && get_request_var('graph_end') < 1600000000) {
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$graph_data_array['graph_end'] = get_request_var('graph_end');
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}
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/* override: graph height (in pixels) */
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if (!isempty_request_var('graph_height') && get_request_var('graph_height') < 3000) {
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$graph_data_array['graph_height'] = get_request_var('graph_height');
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}
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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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$graph_data_array['graph_width'] = get_request_var('graph_width');
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}
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/* override: skip drawing the legend? */
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if (!isempty_request_var('graph_nolegend')) {
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$graph_data_array['graph_nolegend'] = get_request_var('graph_nolegend');
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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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$graph_data_array['print_source'] = get_request_var('show_source');
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}
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/* disable cache check */
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if (isset_request_var('disable_cache')) {
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$graph_data_array['disable_cache'] = true;
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}
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/* set the theme */
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if (isset_request_var('graph_theme')) {
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$graph_data_array['graph_theme'] = get_request_var('graph_theme');
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}
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print @rrdtool_function_graph(get_request_var('local_graph_id'), (array_key_exists('rra_id', $_REQUEST) ? get_request_var('rra_id') : null), $graph_data_array);
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