php防盜鏈幾種代碼

1.

1 <?php2  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', //盜鏈返回的地址  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', //白名單 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";//盜鏈返回的地址 3 $okaysites = array("http://www.111cn.net/","http://111cn.net"); //白名單  4 $ADMIN[url_1] = "http://www.111cn.net/download/";//下載地點1 5 $ADMIN[url_2] = "";//下載地點2，以此類推 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 ?>