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authorPim van den Berg2010-06-05 11:47:24 +0200
committerPim van den Berg2010-06-05 11:47:24 +0200
commitec5d8f568a48b578234d736a21e151b315711a82 (patch)
treecbf0954ed5e68329c307fbce2df7a6d2eb67ec75 /graph.php
parentDefine alternating odd/even css classes for rows in main summary (diff)
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remove php gd dependency
Image error messages were shown using PHP GD. People who haven't installed PHP GD don't understand what is going on when an image is not shown. It is replaced by a static image referring to the error log for more information.
Diffstat (limited to 'graph.php')
-rw-r--r--graph.php20
1 files changed, 4 insertions, 16 deletions
diff --git a/graph.php b/graph.php
index effecef..e170598 100644
--- a/graph.php
+++ b/graph.php
@@ -8,29 +8,17 @@ $width = empty($_GET['x']) ? $CONFIG['width'] : $_GET['x'];
8$heigth = empty($_GET['y']) ? $CONFIG['heigth'] : $_GET['y']; 8$heigth = empty($_GET['y']) ? $CONFIG['heigth'] : $_GET['y'];
9 9
10if (validate_get($_GET['h'], 'host') === NULL) { 10if (validate_get($_GET['h'], 'host') === NULL) {
11 die_img('Error: plugin contains unknown characters.'); 11 error_log('CGP Error: plugin contains unknown characters');
12 exit; 12 error_image();
13} 13}
14 14
15if (!file_exists($CONFIG['webdir'].'/plugin/'.$plugin.'.php')) { 15if (!file_exists($CONFIG['webdir'].'/plugin/'.$plugin.'.php')) {
16 die_img(sprintf('Error: plugin not available (%s).', $plugin)); 16 error_log(sprintf('CGP Error: plugin "%s" is not available', $plugin));
17 exit; 17 error_image();
18} 18}
19 19
20# load plugin 20# load plugin
21include $CONFIG['webdir'].'/plugin/'.$plugin.'.php'; 21include $CONFIG['webdir'].'/plugin/'.$plugin.'.php';
22 22
23 23
24function die_img($msg) {
25 header("Content-Type: image/png");
26 $image = ImageCreatetruecolor(300, 30);
27 $black = ImageColorAllocate($image, 0, 0, 0);
28 $white = ImageColorAllocate($image, 255, 255, 255);
29 imagefill($image, 0, 0, $white);
30 imagerectangle($image, 0, 0, 299, 29, $black);
31 imagestring($image, 2, 10, 9, $msg, $black);
32 imagepng($image);
33 imagedestroy($image);
34}
35
36?> 24?>