php防盗链几种代码

1.

1 php
2  if(strpos($_SERVER['HTTP_REFERER'], 'Domin') !== FALSE) {
3   header('HTTP/1.1 404 Not Found');
4   exit;
5  }
6  readfile('xxx.mp3');
7 ?>

2.

 1 php 
 2 /** 
 3 * @author seraphim 
 4 * @copyright 2012 
 5 */ 
 6 $ADMIN = array( 
 7 'defaulturl'=> 'http://www.xx.com/images/banner-header.gif', //盗链返回的地址 
 8 'url_1' => 'http://www.xx.net/file', 
 9 'url_2' => 'http://www.xx.net/file1', 
10 ); 
11 $okaysites = array( 
12 'http://box.baidu.com', 
13 'http://tieba.baidu.com/p/1493336008', //白名单 
14 'http://www.xx.com/1.html', 
15 ); 
16 $reffer = $_SERVER['HTTP_REFERER']; 
17 if ($reffer) { 
18 $yes = 0; 
19 while (list($domain, $subarray) = each($okaysites)) { 
20 if (ereg($subarray, "$reffer")) { 
21 $yes = 1; 
22 } 
23 } 
24 $theu = 'url_' . $_GET['site']; 
25 $file = $_GET['file']; 
26 if ($ADMIN[$theu] and $yes == 1) { 
27 header("Location: $ADMIN[$theu]/$file"); 
28 } else { 
29 header("Location: $ADMIN[defaulturl]"); 
30 } 
31 } else { 
32 header("Location: $ADMIN[defaulturl]"); 
33 } 
34 print_r($_SERVER['HTTP_REFERER']); 
35 ?>

3.

 1 php
 2 $ADMIN[defaulturl] = "http://www.111cn.net/404.htm";//盗链返回的地址
 3 $okaysites = array("http://www.111cn.net/","http://111cn.net"); //白名单 
 4 $ADMIN[url_1] = "http://www.111cn.net/download/";//下载地点1
 5 $ADMIN[url_2] = "";//下载地点2，以此类推
 6 $reffer = $HTTP_REFERER;
 7 if($reffer) {
 8 $yes = 0;
 9 while(list($domain, $subarray) = each($okaysites)) {
10 if (ereg($subarray,"$reffer")) {
11 $yes = 1;
12 }
13 }
14 $theu = "url"."_"."$site";
15 if ($ADMIN[$theu] AND $yes == 1) {
16 header("Location: $ADMIN[$theu]/$file");
17 } else {
18 header("Location: $ADMIN[defaulturl]");
19 }
20 } else {
21 header("Location: $ADMIN[defaulturl]");
22 }
23 ?>