Files
DzzOffice/dzz/io/thumbnail.php
2023-02-09 20:00:07 +08:00

71 lines
2.7 KiB
PHP

<?php
/*
* @copyright Leyun internet Technology(Shanghai)Co.,Ltd
* @license http://www.dzzoffice.com/licenses/license.txt
* @package DzzOffice
* @link http://www.dzzoffice.com
* @author zyx(zyx@dzz.cc)
*/
$path=dzzdecode(urldecode($_GET['path']));
$width=intval($_GET['width']);
$height=intval($_GET['height']);
$size=trim($_GET['size']);
$thumbtype=$_GET['thumbtype']?intval($_GET['thumbtype']):'1';
$size=in_array($size,array_keys($_G['setting']['thumbsize']))?$size:'large';
$original=intval($_GET['original']);
if(!$width) $width=$_G['setting']['thumbsize'][$size]['width'];
if(!$height) $height=$_G['setting']['thumbsize'][$size]['height'];
$download=trim($_GET['a']);
if($download=='down'){
if(!$filename=urldecode($_GET['filename'])){
$meta=IO::getMeta($path);
$filename=$meta['name'];
$filesize=$meta['size'];
}
$imgurl=IO::getThumb($path,$width,$height,$original,true,$thumbtype);
$filesize=filesize($imgurl);
$filename = '"'.(strtolower(CHARSET) == 'utf-8' && (strexists($_SERVER['HTTP_USER_AGENT'], 'MSIE') || strexists($_SERVER['HTTP_USER_AGENT'], 'Edge') || strexists($_SERVER['HTTP_USER_AGENT'], 'rv:11')) ? urlencode($filename) : $filename).'"';
$db = DB::object();
$db->close();
$chunk = 10 * 1024 * 1024;
if(!$fp = @fopen($imgurl, 'rb')) {
exit(lang('attachment_nonexistence'));
}
dheader('Date: '.gmdate('D, d M Y H:i:s', TIMESTAMP).' GMT');
dheader('Last-Modified: '.gmdate('D, d M Y H:i:s', TIMESTAMP).' GMT');
dheader('Content-Encoding: none');
dheader('Content-Disposition: attachment; filename='.$filename);
dheader('Content-Type: application/octet-stream');
dheader('Content-Length: '.$filesize);
@ob_end_clean();if(getglobal('gzipcompress')) @ob_start('ob_gzhandler');
while (!feof($fp)) {
echo fread($fp, $chunk);
@ob_flush(); // flush output
@flush();
}
exit();
}else{
IO::getThumb($path,$width,$height,$original,false,$thumbtype);
}
if($original){
if($returnurl) return $_G['setting']['attachurl'].'./'.$data['attachment'];
$file=$_G['setting']['attachdir'].'./'.$data['attachment'];
$last_modified_time = filemtime($file);
$etag = md5_file($file);
header("Last-Modified: ".gmdate("D, d M Y H:i:s", $last_modified_time)." GMT");
header("Etag: $etag");
if (@strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time ||
trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag) {
header("HTTP/1.1 304 Not Modified");
exit;
}
@header('cache-control:public');
@header("Content-Type: " . image_type_to_mime_type($imginfo[2]));
@ob_end_clean();if(getglobal('gzipcompress')) @ob_start('ob_gzhandler');
@readfile($_G['setting']['attachdir'].'./'.$data['attachment']);
@flush(); @ob_flush();
exit();
}
?>