<?php
/**
* 作者：露兜
* 博客：http://www.ludou.org/
*
* 更新记录
* 2012年02月23日 ：
* 首个版本发布
* 2012年09月19日 ：
* 修改一些小错误
*
* 更多内容详见：http://www.ludou.org/file-download-tool.html
*/
// 参数设置
$captcha = "#"; //将#替换成captcha文件夹的路径，如：http://www.abc.com/captcha/
$folder = "#"; //将#替换成你的文件存储目录路径，如：/home/abccom/public_html/file/ 或 D:/PHP/wp/
$home = "#"; //将#替换成你网站网址，如：www.abc.com，记住没有http://
$name = "#"; //将#替换成你网站名称，如：露兜博客
/**********************************************************
以下内容请勿修改，除非你懂
**********************************************************/
//header("Content-type: text/html; charset=utf-8");
date_default_timezone_set('Asia/Shanghai');
function myFileSize($file, $setup = null)
{
// 文件大小单位换算
$FZ = ($file && @is_file($file)) ? filesize($file) : NULL;
$FS = array("B","kB","MB","GB","TB","PB","EB","ZB","YB");
if(!$setup && $setup !== 0)
return number_format($FZ/pow(1024, $i=floor(log($FZ, 1024))), ($i >= 1) ? 2 : 0) . ' ' . $FS[$i];
elseif ($setup == 'INT')
return number_format($FZ);
else
return number_format($FZ/pow(1024, $setup), ($setup >= 1) ? 2 : 0 ). ' ' . $FS[$setup];
}
function wp_die($word, $title='') {
// 错误提示
if($title=='')
$title = '下载错误';
echo '<!DOCTYPE html>
<html dir="ltr" lang="zh-CN">
<head>
<meta charset="UTF-8" />
<title>'.$title.'</title>
<script type="application/javascript">
//<![CDATA[
var pgo = 0;
function JumpUrl() {
if(pgo == 0) {
location = "javascript:history.go(-1);";
pgo = 1;
}
}
setTimeout("JumpUrl()",5000);
//]]>
</script>
</head>
<body>
<h2>'.$word.'</h2>
<a href="javascript:history.go(-1);">如果你的浏览器没反应，请点击这里...</a>
</body>
</html>';
exit();
}
if (empty($_SERVER['HTTP_REFERER']) || strpos(strtoupper($_SERVER['HTTP_REFERER']),strtoupper($home)) === false)
wp_die('请从<a href="http://'.$home.'/">'.$name.'</a>下载此文件，请勿直接复制文件URL进行下载。', '下载错误 - 禁止盗链');
if (empty($_GET['f']))
wp_die("文件不存在", '下载错误 - 文件不存在');
// Nullbyte hack fix
if (strpos($_GET['f'], "\0") !== FALSE)
wp_die('文件不存在', '下载错误 - 文件不存在');
// Get real file name.
// Remove any path info to avoid hacking by adding relative path, etc.
$fname = basename($_GET['f']);
$file = $folder . $fname;
if(!is_file($file))
wp_die('文件不存在', '下载错误 - 文件不存在');
if (!isset($_SESSION)) {
session_start();
session_regenerate_id(TRUE);
}
if(!empty($_POST['bj_captchaSelection'])) {
if ($_POST['bj_captchaSelection'] != $_SESSION['simpleCaptchaAnswer'])
wp_die('请按提示点选正确的图标。', '下载错误 - 验证码错误');
session_unset();
session_destroy();
//Gather relevent info about file
$len = filesize($file);
$filename = basename($file);
$file_extension = strtolower(substr(strrchr($filename,"."),1));
//This will set the Content-Type to the appropriate setting for the file
switch( $file_extension ) {
case "zip": $ctype="application/zip"; break;
case "rar": $ctype="application/x-rar-compressed"; break;
case "pdf": $ctype="application/pdf"; break;
case "exe": $ctype="application/octet-stream"; break;
case "doc": $ctype="application/msword"; break;
case "xls": $ctype="application/vnd.ms-excel"; break;
case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
case "gif": $ctype="image/gif"; break;
case "png": $ctype="image/png"; break;
case "jpeg":
case "jpg": $ctype="image/jpg"; break;
case "mp3": $ctype="audio/mpeg"; break;
case "wav": $ctype="audio/x-wav"; break;
case "mpeg":
case "mpg":
case "mpe": $ctype="video/mpeg"; break;
case "mov": $ctype="video/quicktime"; break;
case "avi": $ctype="video/x-msvideo"; break;
//The following are for extensions that shouldn't be downloaded (sensitive stuff, like php files)
case "php":
case "htm":
case "html":
case "txt": wp_die($file_extension ." : 此后缀名的文件无法提供下载!", '下载错误 - 文件后缀错误'); break;
default: $ctype="application/force-download";
}
//Begin writing headers
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: public");
header("Content-Description: File Transfer");
//Use the switch-generated Content-Type
header("Content-Type: $ctype");
//Force the download
$header="Content-Disposition: attachment; filename=".$filename.";";
header($header );
header("Content-Transfer-Encoding: binary");
header("Content-Length: ".$len);
ob_clean();
flush();
readfile($file);
exit;
}
?>
<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title><?php echo $fname; ?> - 文件下载</title>
<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.1.min.js"></script>
<script type="text/javascript" src="<?php echo $captcha; ?>jquery.simpleCaptcha-0.2.min.js"></script>
<script type="text/javascript">
//<![CDATA[
$(document).ready(function() {
$('#captcha_89').simpleCaptcha({
numImages: 5,
introText: '<p>请您点选下面的 "<strong class="captchaText"></strong>" 图标，再进行下载</p>',
scriptPath: '<?php echo $captcha; ?>simpleCaptcha.php',
inputName: 'bj_captchaSelection'
});
});
//]]>
</script>
<style type="text/css">
<!--
.captchaImage {
padding: 2px;
}
.simpleCaptchaSelected {
border: 2px solid #339933;
padding: 0;
}
p {
font-size:12px;
}
h1 {
font-size: 15px;
margin: 0 0 10px;
}
-->
</style>
</head>
<body style="padding:20px;border: 1px solid #ccc;margin: 20px auto;position: relative; width: 420px;">
<h1><?php echo $name; ?>文件下载</h1>
<p><strong>文件名称：</strong><?php echo $fname; ?></p>
<p><strong>文件大小：</strong><?php echo myFileSize($file); ?></p>
<form action="#" method="post">
<div id="captcha_89"></div>
<input type="submit" value="点此下载" id="submit" name="submit" />
</form>
</body>
</html>
基于PHP的Ludou文件下载工具php版源码.zip
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基于PHP的Ludou文件下载工具php版源码.zip （19个子文件） 
132707311380943778 Ludou-filedown captcha 
jquery.simpleCaptcha-0.2.js 6KB simpleCaptcha.php 2KB jquery.simpleCaptcha-0.2.min.js 3KB captchaImages 
43.png 1KB 19.png 2KB 04.png 980B 40.png 1KB 15.png 3KB 01.png 2KB 233.png 3KB 103.png 1KB 21.png 2KB 16.png 2KB 99.png 4KB 560.png 3KB 200.png 3KB 235.png 4KB 06.png 2KB file.php 7KB资源评论
