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<?php
/**
* Elgg image thumbnail
*
* @package ElggLightbox
*/
// Get engine
require_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");
// Get entity GUID
$guid = (int) get_input('guid', 0);
// Get thumbnail size
$size = get_input('size', 'small');
// Get image or album cover
$entity = new LightboxPluginImage($guid);
if (!$entity->guid) {
exit;
}
// Get entity thumbnail
switch ($size) {
case "small":
$thumb = $entity->thumbnail;
break;
case "medium":
$thumb = $entity->smallthumb;
break;
case "large":
default:
$thumb = $entity->largethumb;
break;
}
// Grab the file
if ($thumb && !empty($thumb)) {
$readfile = new ElggFile();
$readfile->owner_guid = $entity->owner_guid;
$readfile->setFilename($thumb);
$mime = $entity->getMimeType();
$contents = $readfile->grabFile();
// caching images for 10 days
header("Content-type: $mime");
header('Expires: ' . date('r',time() + 864000));
header("Pragma: public", true);
header("Cache-Control: public", true);
header("Content-Length: " . strlen($contents));
echo $contents;
exit;
}
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