forked from librenms/librenms
/
graph.inc.php
188 lines (160 loc) · 4.88 KB
/
graph.inc.php
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<?php
// Push $_GET into $vars to be compatible with web interface naming
foreach ($_GET as $name => $value)
{
$vars[$name] = $value;
}
preg_match('/^(?P<type>[A-Za-z0-9]+)_(?P<subtype>.+)/', $vars['type'], $graphtype);
if(is_numeric($vars['device']))
{
$device = device_by_id_cache($vars['device']);
} elseif(!empty($vars['device'])) {
$device = device_by_name($vars['device']);
}
// FIXME -- remove these
$width = $vars['width'];
$height = $vars['height'];
$title = $vars['title'];
$vertical = $vars['vertical'];
$legend = $vars['legend'];
$from = (isset($vars['from']) ? $vars['from'] : time() - 60*60*24);
$to = (isset($vars['to']) ? $vars['to'] : time());
if ($from < 0) { $from = $to + $from; }
$period = $to - $from;
$prev_from = $from - $period;
$graphfile = $config['temp_dir'] . "/" . strgen() . ".png";
$type = $graphtype['type'];
$subtype = $graphtype['subtype'];
if ($auth !== true && $auth != 1) {
$auth = is_client_authorized($_SERVER['REMOTE_ADDR']);
}
include($config['install_dir'] . "/html/includes/graphs/$type/auth.inc.php");
if ($auth === true && is_file($config['install_dir'] . "/html/includes/graphs/$type/$subtype.inc.php")) {
include($config['install_dir'] . "/html/includes/graphs/$type/$subtype.inc.php");
}
elseif ($auth === true && is_mib_graph($type, $subtype)) {
include($config['install_dir'] . "/html/includes/graphs/$type/mib.inc.php");
}
else {
graph_error("$type*$subtype ");//Graph Template Missing");
}
function graph_error($string)
{
global $vars, $config, $debug, $graphfile;
$vars['bg'] = "FFBBBB";
include("includes/graphs/common.inc.php");
$rrd_options .= " HRULE:0#555555";
$rrd_options .= " --title='".$string."'";
rrdtool_graph($graphfile, $rrd_options);
if ($height > "99") {
shell_exec($rrd_cmd);
if ($debug) { echo("<pre>".$rrd_cmd."</pre>"); }
if (is_file($graphfile) && !$debug)
{
header('Content-type: image/png');
$fd = fopen($graphfile,'r'); fpassthru($fd); fclose($fd);
unlink($graphfile);
exit();
}
} else {
if (!$debug) { header('Content-type: image/png'); }
$im = imagecreate($width, $height);
$px = (imagesx($im) - 7.5 * strlen($string)) / 2;
imagestring($im, 3, $px, $height / 2 - 8, $string, imagecolorallocate($im, 128, 0, 0));
imagepng($im);
imagedestroy($im);
exit();
}
}
if ($error_msg) {
// We have an error :(
graph_error($graph_error);
} elseif ($auth === null) {
// We are unauthenticated :(
if ($width < 200)
{
graph_error("No Auth");
} else {
graph_error("No Authorisation");
}
} else {
#$rrd_options .= " HRULE:0#999999";
if ($no_file)
{
if ($width < 200)
{
graph_error("No RRD");
} else {
graph_error("Missing RRD Datafile");
}
} elseif($command_only) {
echo("<div class='infobox'>");
echo("<p style='font-size: 16px; font-weight: bold;'>RRDTool Command</p>");
echo("rrdtool graph $graphfile $rrd_options");
echo("</span>");
$return = rrdtool_graph($graphfile, $rrd_options);
echo("<br /><br />");
echo("<p style='font-size: 16px; font-weight: bold;'>RRDTool Output</p>$return");
unlink($graphfile);
echo("</div>");
} else {
if ($rrd_options)
{
rrdtool_graph($graphfile, $rrd_options);
if ($debug) { echo($rrd_cmd); }
if (is_file($graphfile))
{
if (!$debug)
{
header('Content-type: image/png');
if ($config['trim_tobias'])
{
list($w, $h, $type, $attr) = getimagesize($graphfile);
$src_im = imagecreatefrompng($graphfile);
$src_x = '0'; // begin x
$src_y = '0'; // begin y
$src_w = $w-12; // width
$src_h = $h; // height
$dst_x = '0'; // destination x
$dst_y = '0'; // destination y
$dst_im = imagecreatetruecolor($src_w, $src_h);
imagesavealpha($dst_im, true);
$white = imagecolorallocate($dst_im, 255, 255, 255);
$trans_colour = imagecolorallocatealpha($dst_im, 0, 0, 0, 127);
imagefill($dst_im, 0, 0, $trans_colour);
imagecopy($dst_im, $src_im, $dst_x, $dst_y, $src_x, $src_y, $src_w, $src_h);
imagepng($dst_im);
imagedestroy($dst_im);
} else {
$fd = fopen($graphfile,'r');fpassthru($fd);fclose($fd);
}
} else {
echo(`ls -l $graphfile`);
echo('<img src="'.data_uri($graphfile,'image/png').'" alt="graph" />');
}
unlink($graphfile);
}
else
{
if ($width < 200)
{
graph_error("Draw Error");
}
else
{
graph_error("Error Drawing Graph");
}
}
}
else
{
if ($width < 200)
{
graph_error("Def Error");
} else {
graph_error("Graph Definition Error");
}
}
}
}
?>