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php防盜鏈實(shí)例

時(shí)間:2025-11-06 09:28:24 php語言 我要投稿

php防盜鏈實(shí)例

  防盜鏈?zhǔn)悄壳胺浅3R姷膚eb程序設(shè)計(jì)技巧。下面是小編分享的php防盜鏈實(shí)例,一起來看一下吧。

  這里新建一個(gè)文件file.php。后面的參數(shù)就是需要偽造referfer的目標(biāo)地址吧。如:file.php//pic/xxx.mp3

  復(fù)制代碼 代碼如下:

  <?

  $url=str_replace('/file.php/','',$_SERVER["REQUEST_URI"]);/pic/p>

  $downfile=str_replace(" ","",$url);/pic/p>

  $downfile=str_replace("/pic/pic/pic/p>

  $urlarr=explode("/",$downfile);/pic/"分解出域名

  $domain=$urlarr[0];/pic/p>

  $getfile=str_replace($urlarr[0],'',$downfile);/pic/p>

  $content = @fsockopen("$domain", 80, $errno, $errstr, 12);/pic/p>

  if (!$content){/pic/p>

  die("對(duì)不起,無法連接上 $domain 。");

  }

  fputs($content, "GET $getfile HTTP/1.0rn");

  fputs($content, "Host: $domainrn");

  fputs($content, "Referer: $domainrn");/pic/p>

  fputs($content, "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)rnrn");

  while (!feof($content)) {

  $tp.=fgets($content, 128);

  if (strstr($tp,"200 OK")){ /pic/110911/blog/item/21f20d2475af812ed50742c5.html這里是正常的文件請(qǐng)求狀態(tài),只需直接轉(zhuǎn)向就可以。其他狀態(tài)的繼續(xù)執(zhí)行程序

  header("Location:$url");

  die();

  }

  }

  /pic/p>

  $arr=explode("n",$tp);

  $arr1=explode("Location: ",$tp);/pic/p>

  $arr2=explode("n",$arr1[1]);

  header('Content-Type:application/force-download');/pic/p>

  header("location:".$arr2[0]);/pic/p>

  die();

  ?>

  這段程序只能針對(duì)使用referer來判斷是否盜鏈的防盜鏈系統(tǒng),使用其他特殊方法防盜鏈的,這個(gè)估計(jì)就不適用了

  復(fù)制代碼 代碼如下:

  $txt=$_GET['url'];

  echo referfile($txt,'/pic/');

  function referfile($url,$refer='') {

  $opt=array('http'=>array('header'=>"Referer:$refer"));

  $context=stream_context_create($opt);

  Header("Location:".$url);

  return file_get_contents($url,false,$context);

  }

  復(fù)制代碼 代碼如下:

  <?php

  $host = "pakey.net"; /pic/p>

  $target = "/test.asp"; /pic/p>

  $referer = "http/pic/"; /pic/p>

  $fp = fsockopen($host, 80, $errno, $errstr, 30);

  if(!$fp){

  echo "$errstr($errno)<br /> ";

  }else{

  $out = "

  GET $target HTTP/1.1

  Host: $host

  Referer: $referer

  Connection: Close ";

  fwrite($fp, $out);

  while(!feof($fp)){

  echo fgets($fp, 1024);

  }

  fclose($fp);

  }

  ?>


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