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<?php
/**
* Image thumbnail view
*
* @author Cash Costello
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License v2
*/
$guid = (int) get_input('guid');
$size = get_input('size');
$image = get_entity($guid);
if (!$image) {
// @todo
}
if ($size == 'master') {
$contents = $image->getImage();
} else {
$contents = $image->getThumbnail($size);
}
if (!$contents) {
forward("mod/lightpics/graphics/image_error_$size");
}
// expires every 14 days
$expires = 14 * 60*60*24;
// overwrite header caused by php session code so images can be cached
$mime = $image->getMimeType();
header("Content-Type: $mime");
header("Content-Length: " . strlen($contents));
header("Cache-Control: public", true);
header("Pragma: public", true);
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + $expires) . ' GMT', true);
// Return the thumbnail and exit
echo $contents;
exit;
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