<?php
/*
 * 下载
 * @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)
 */
if(!defined('IN_DZZ')) {
	exit('Access Denied');
}
$qid=intval($_GET['qid']);
$attachexists = FALSE;
	$attach=C::t('feed_attach')->fetch_by_qid($qid);
		if(!$attach){
			topshowmessage(lang('attachment_nonexistence'));
		}
		//更新下载数量
		C::t('feed_attach')->update($attach['qid'],array('downloads'=>$attach['downloads']+1));
		
		$filename = $_G['setting']['attachdir'].$attach['attachment'];
		
		$filesize = !$attach['remote'] ? filesize($filename) : $attach['filesize'];
		$attachurl=getAttachUrl($attach,true);
		$db = DB::object();
		$db->close();
		
		$attach['filename'] = '"'.(strtolower(CHARSET) == 'utf-8' && (strexists($_SERVER['HTTP_USER_AGENT'], 'MSIE') || strexists($_SERVER['HTTP_USER_AGENT'], 'Edge') || strexists($_SERVER['HTTP_USER_AGENT'], 'rv:11')) ? urlencode($attach['title']) : $attach['title']).'"';
	
		
		$db = DB::object();
		$db->close();
		$chunk = 10 * 1024 * 1024; 
		if(!$fp = @fopen($attachurl, 'rb')) {
			exit(lang('attachment_nonexistence'));
		}
		dheader('Date: '.gmdate('D, d M Y H:i:s', $attach['dateline']).' GMT');
		dheader('Last-Modified: '.gmdate('D, d M Y H:i:s', $attach['dateline']).' GMT');
		dheader('Content-Encoding: none');
		dheader('Content-Disposition: attachment; filename='.$attach['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();
		

?>
