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<?php
include_once("config.php");
include_once($UTIL_DIR . "/ping.php");
function rescale($image) {
$maxwidth = 300;
$maxheight = 240;
$width = imagesx($image);
$height = imagesy($image);
$scale = 1;
if($width > $maxwidth) $scale = $width / $maxwidth;
if($height / $scale > $maxheight) $scale = $height / $maxheight;
$image_p = imagecreatetruecolor($width / $scale, $height / $scale);
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width / $scale, $height / $scale, $width, $height);
return $image_p;
}
function errorImage($filename)
{
/*
header('Content-Description: File Transfer');
header('Content-Type: image/jpeg');
header('Content-Length: ' . filesize($fullfilename));
header('Content-Disposition: inline; filename=' . basename($filename));
readfile($fullfilename);
*/
echo "Error fetching image: " . $filename;
die(404);
}
function getCachedImage($filename)
{
global $IMAGECACHE;
$fullfilename = $IMAGECACHE . "/" . urlencode($filename);
if(!file_exists($fullfilename)) {
$url = parse_url($filename);
$filetype = strrchr($url["path"], '.');
if( true || ping($url["hostname"], 1000) != -1) {
error_reporting(E_ERROR | E_PARSE);
switch(tolower($filetype)) {
case ".jpeg":
case ".jpg":
$image = imagecreatefromjpeg(urldecode($filename));
if(!$image) errorImage($filename);
$image = rescale($image);
imagejpeg($image, $fullfilename, 90);
break;
case ".gif":
$image = imagecreatefromgif(urldecode($filename));
if(!$image) errorImage($filename);
$image = rescale($image);
imagegif($image, $fullfilename);
break;
case ".png":
$image = imagecreatefrompng(urldecode($filename));
if(!$image) errorImage($filename);
$image = rescale($image);
imagepng($image, $fullfilename);
break;
default:
if(!$image) errorImage("Unknown image type " . $filetype);
break;
}
error_reporting(E_ALL ^ E_NOTICE);
}
}
header('Content-Description: File Transfer');
header('Content-Type: image/jpeg');
header('Content-Length: ' . filesize($fullfilename));
header('Content-Disposition: inline; filename=' . basename($filename));
readfile($fullfilename);
}
?>
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