mirror of
https://github.com/DzzXH/DzzOffice.git
synced 2026-01-16 04:46:49 +08:00
71 lines
2.7 KiB
PHP
71 lines
2.7 KiB
PHP
<?php
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/*
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* @copyright Leyun internet Technology(Shanghai)Co.,Ltd
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* @license http://www.dzzoffice.com/licenses/license.txt
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* @package DzzOffice
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* @link http://www.dzzoffice.com
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* @author zyx(zyx@dzz.cc)
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*/
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$path=dzzdecode(urldecode($_GET['path']));
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$width=intval($_GET['width']);
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$height=intval($_GET['height']);
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$size=trim($_GET['size']);
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$thumbtype=$_GET['thumbtype']?intval($_GET['thumbtype']):'1';
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$size=in_array($size,array_keys($_G['setting']['thumbsize']))?$size:'large';
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$original=intval($_GET['original']);
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if(!$width) $width=$_G['setting']['thumbsize'][$size]['width'];
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if(!$height) $height=$_G['setting']['thumbsize'][$size]['height'];
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$download=trim($_GET['a']);
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if($download=='down'){
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if(!$filename=urldecode($_GET['filename'])){
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$meta=IO::getMeta($path);
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$filename=$meta['name'];
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$filesize=$meta['size'];
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}
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$imgurl=IO::getThumb($path,$width,$height,$original,true,$thumbtype);
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$filesize=filesize($imgurl);
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$filename = '"'.(strtolower(CHARSET) == 'utf-8' && (strexists($_SERVER['HTTP_USER_AGENT'], 'MSIE') || strexists($_SERVER['HTTP_USER_AGENT'], 'Edge') || strexists($_SERVER['HTTP_USER_AGENT'], 'rv:11')) ? urlencode($filename) : $filename).'"';
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$db = DB::object();
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$db->close();
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$chunk = 10 * 1024 * 1024;
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if(!$fp = @fopen($imgurl, 'rb')) {
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exit(lang('attachment_nonexistence'));
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}
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dheader('Date: '.gmdate('D, d M Y H:i:s', TIMESTAMP).' GMT');
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dheader('Last-Modified: '.gmdate('D, d M Y H:i:s', TIMESTAMP).' GMT');
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dheader('Content-Encoding: none');
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dheader('Content-Disposition: attachment; filename='.$filename);
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dheader('Content-Type: application/octet-stream');
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dheader('Content-Length: '.$filesize);
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@ob_end_clean();if(getglobal('gzipcompress')) @ob_start('ob_gzhandler');
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while (!feof($fp)) {
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echo fread($fp, $chunk);
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@ob_flush(); // flush output
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@flush();
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}
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exit();
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}else{
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IO::getThumb($path,$width,$height,$original,false,$thumbtype);
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}
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if($original){
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if($returnurl) return $_G['setting']['attachurl'].'./'.$data['attachment'];
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$file=$_G['setting']['attachdir'].'./'.$data['attachment'];
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$last_modified_time = filemtime($file);
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$etag = md5_file($file);
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header("Last-Modified: ".gmdate("D, d M Y H:i:s", $last_modified_time)." GMT");
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header("Etag: $etag");
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if (@strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time ||
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trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag) {
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header("HTTP/1.1 304 Not Modified");
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exit;
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}
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@header('cache-control:public');
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@header("Content-Type: " . image_type_to_mime_type($imginfo[2]));
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@ob_end_clean();if(getglobal('gzipcompress')) @ob_start('ob_gzhandler');
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@readfile($_G['setting']['attachdir'].'./'.$data['attachment']);
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@flush(); @ob_flush();
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exit();
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}
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?>
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