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<?php
/**
* Tidypics Thumbnail
*
*/
include_once(dirname(dirname(dirname(__FILE__))) . "/engine/start.php");
// Get file GUID
$file_guid = (int) get_input('file_guid');
// Get file thumbnail size
$size = get_input('size');
// only 3 possibilities
if ($size != 'small' && $size != 'thumb') {
$size = 'large';
}
$error_image = '';
switch ($size) {
case 'thumb':
$error_image = "image_error_thumb.png";
break;
case 'small':
$error_image = "image_error_small.png";
break;
case 'large':
$error_image = "image_error_large.png";
break;
}
// Get file entity
$file = get_entity($file_guid);
if (!$file)
forward('mod/tidypics/graphics/' . $error_image);
if ($file->getSubtype() != "image")
forward('mod/tidypics/graphics/' . $error_image);
// Get filename
if ($size == "thumb") {
$thumbfile = $file->thumbnail;
} else if ($size == "small") {
$thumbfile = $file->smallthumb;
} else {
$thumbfile = $file->largethumb;
}
if (!$thumbfile)
forward('mod/tidypics/graphics/' . $error_image);
// create Elgg File object
$readfile = new ElggFile();
$readfile->owner_guid = $file->owner_guid;
$readfile->setFilename($thumbfile);
$contents = $readfile->grabFile();
// send error image if file could not be read
if (!$contents) {
forward('mod/tidypics/graphics/' . $error_image);
}
// Return the thumbnail and exit
$mime = $file->mimetype;
header("Content-type: $mime");
echo $contents;
exit;
?>
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