织梦dedecms做软件站有的缺点 。
就是别人转帖你的下载的时候直接转帖http://www.xxx.com/plus/download.php.........
就是直接打开下载地址列表页这种就可以下载了，耗费资源却又带不了用户。
经过研究，终于搞定了软件频道下载的防盗链，代码发出来大家共享，希望能用的到
改后的功能是
假如软件信息页地址是:/soft/1.htm
下载地址连接是:/plus/download.php?.........
判断来路，
如果不是/soft/1.htm，
直接跳转到/soft/1.htm
如果来路是/soft/1.htm 则展示下载地址
说明下：下边的代码是直接复制我自己站上的，我启用的是全站迅雷下载，打开就自动使用迅雷下载，你也可以做下小修改，不让使用迅雷下载
不使用迅雷的很容易修改：删掉迅雷相关代码,只引用$link就可以了
需要修改的文件为 /plus/download.php
演示:
/do/plus/download.php?open=0&aid=20975&cid=3
必须从/codes/20975.html这个页面进入才正常
<script src="http://pstatic.xunlei.com/js/webThunderDetect.js"></script>
<?php require("encode.inc"); ?>
<?php
require_once(dirname(__FILE__)."/../include/config_base.php");
require_once(dirname(__FILE__)."/../include/inc_channel_unit.php");
if(!isset($open)) $open = 0;
if(!isset($aid)) $aid = "";
$dsql = new DedeSql(false);
//读取文档基本信息
$arctitle = "";
$arcurl = "";
$gquery = "Select
dede_archives.title,dede_archives.senddate,dede_archives.arcrank,
dede_archives.ismake,dede_archives.typeid,dede_archives.channel,dede_archives.money,
dede_arctype.typedir,dede_arctype.namerule
From dede_archives
left join dede_arctype on dede_arctype.ID=dede_archives.typeid
where dede_archives.ID='$aid'
";
$arcRow = $dsql->GetOne($gquery);
if(is_array($arcRow)){
$arctitle = $arcRow['title'];
$arcurl = GetFileUrl($aid,$arcRow['typeid'],$arcRow['senddate'],$arctitle,$arcRow['ismake'],$arcRow['arcrank'],$arcRow['namerule'],$arcRow['typedir'],$arcRow['money']);
}else{
$dsql->Close();
ShowMsg("无法获取未知文档的信息!","-1");
exit();
}
$cu = new ChannelUnit($arcRow['channel'],$aid);
if(!is_array($cu->ChannelFields)) {
$cu->Close();
$dsql->Close();
ShowMsg("获取文档链接信息失败！","-1");
exit();
}
$vname = "";
foreach($cu->ChannelFields as $k=>$v){
if($v['type']=="softlinks"){ $vname=$k; break; }
}
if(!is_array($cu->ChannelFields)) {
$cu->Close();
$dsql->Close();
ShowMsg("获取文档链接信息失败！","-1");
exit();
}
if(!strstr($_SERVER['HTTP_REFERER'],$arcurl))
{
echo "<script language='javascript'>location=\"$arcurl\";</script>";
}
$row = $dsql->GetOne("Select $vname From ".$cu->ChannelInfos['addtable']." where aid='$aid'");
$downlinks = $cu->GetAddLinks($row[$vname]);
$dsql->Close();
$cu->Close();
$link = base64_decode($link);
$thunderUrl = ThunderEncode($link);
echo "<script>OnDownloadClick('".$thunderUrl."','',location.href,'07231',2,'')</script>";
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title><?php echo $arctitle?>下载地址列表</title>
<link href="../templets/style/dede.css" rel="stylesheet" type="text/css" />
<link href="../templets/style/spage.css" rel="stylesheet" type="text/css" />
</head>
</head>
<body>
<center>
<div class="stop">
<span class="toptitle">下载</span>
<span class="toplink"><a href="/" _fcksavedurl="/">返回主页</a></span></div>
<div class="smain">
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