php實現的網路相簿圖片防盜鏈完美破解方法，_PHP教程

php實現的網路相簿圖片防盜鏈完美破解方法，

本文執行個體講述了php實現的網路相簿圖片防盜鏈完美破解方法。分享給大家供大家參考。具體如下：

網路相簿圖片防盜鏈破解程式 - PHP版 這個防盜鏈破解版可以完美破解當下比較流行的: 百度相簿,網易相簿,360我喜歡等網站圖片. 還可以實現簡單的圖片防盜鏈. 因為這個類是先進行擷取遠程圖片, 然後再把圖片發送到用戶端,所以,算是進行了兩次流量的傳送.因此,會浪費空間流量,接下來,會開發緩衝功能,這樣可以實現節約流量!

<?php  /**    * 網路相簿圖片防盜鏈破解程式 - PHP版    *    * 使用方法：    *     *   http://yourdomain/url.php?url=http://hiphotos.baidu.com/verdana/pic/item/baidupicture.jpg&referer=    *   其中url是指需要破解的圖片URL,而referer是為了相容一些不需要設定來路網域名稱才能顯示的相簿,例如360我喜歡網,必須設定來路為空白才能正常瀏覽. 所以,此時應該設定referer為1   *    * @author 雪狐部落格    * @version 1.0    * @since  July 16, 2012   * @URL http://www.xuehuwang.com    */class Frivoller   {     /**      * HTTP 版本號碼 (1.0, 1.1) , 百度使用的是 version 1.1      *      * @var string      */  protected $version;     /**      * 進行HTTP請求後響應的資料     *      * @var 字串格式      */  protected $body;     /**      * 需要擷取的遠程URL     *      * @var 字串格式      */  protected $link;     /**      * An array that containing any of the various components of the URL.      *      * @var array      */  protected $components;     /**      * HTTP請求時HOST資料     *      * @var 字串      */  protected $host;     /**      * The path of required file.      * (e.g. '/verdana/abpic/item/mygirl.png')      *      * @var string      */  protected $path;     /**      * The HTTP referer, extra it from original URL      *      * @var string      */  protected $referer;     /**      * The HTTP method, 'GET' for default      *      * @var string      */  protected $method  = 'GET';     /**      * The HTTP port, 80 for default      *      * @var int      */  protected $port   = 80;     /**      * Timeout period on a stream      *      * @var int      */  protected $timeout = 100;     /**      * The filename of image      *      * @var string      */  protected $filename;     /**      * The ContentType of image file.      * image/jpeg, image/gif, image/png, image      *      * @var string      */  protected $contentType;     /**      * Frivoller constructor      *      * @param string $link      */  public function __construct($link,$referer='')     {       $this->referer = $referer;      // parse the http link       $this->parseLink($link);       // begin to fetch the image       $stream = pfsockopen($this->host, $this->port, $errno, $errstr, $this->timeout);       if (!$stream){        header("Content-Type: $this->contentType;");         echo $this->CurlGet($link);       }else{         fwrite($stream, $this->buildHeaders());         $this->body = "";         $img_size = get_headers($link,true);        while (!feof($stream)) {           $this->body .= fgets($stream, $img_size['Content-Length']);           //fwrite($jpg,fread($stream, $img_size['Content-Length']));        }         $content = explode("\r\n\r\n", $this->body, 2);         $this->body = $content[1];        fclose($stream);          // send 'ContentType' header for saving this file correctly      // 如果不發送CT，則在試圖儲存圖片時，IE7 會發生錯誤 (800700de)         // Flock, Firefox 則沒有這個問題，Opera 沒有測試         header("Content-Type: $this->contentType;");         header("Cache-Control: max-age=315360000");        echo $this->body;            //儲存圖片         //file_put_contents('hello.jpg', $this->body);       }    }     /**      * Compose HTTP request header      *      * @return string      */  private function buildHeaders()     {       $request = "$this->method $this->path HTTP/1.1\r\n";       $request .= "Host: $this->host\r\n";       $request .= "Accept-Encoding: gzip, deflate\r\n";      $request .= "User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; zh-CN; rv:1.9.0.1) Gecko/2008070208 Firefox/3.0.1\r\n";    $request .= "Content-Type: image/jpeg\r\n";       $request .= "Accept: */*\r\n";       $request .= "Keep-Alive: 300\r\n";       $request .= "Referer: $this->referer\r\n";       $request .= "Cache-Control: max-age=315360000\r\n";       $request .= "Connection: close\r\n\r\n";       return $request;     }     /**      * Strip initial header and filesize info      */     private function extractBody(&$body)     {         // The status of link       if(strpos($body, '200 OK') > 0) {         // strip header         $endpos = strpos($body, "\r\n\r\n");         $body = substr($body, $endpos + 4);         // strip filesize at nextline         $body = substr($body, strpos($body, "\r\n") + 2);       }         }     /**      * Extra the http url      *      * @param $link      */  private function parseLink($link)     {       $this->link     = $link;       $this->components  = parse_url($this->link);       $this->host     = $this->components['host'];       $this->path     = $this->components['path'];       if(empty($this->referer)){        $this->referer   = $this->components['scheme'] . '://' . $this->components['host'];       }elseif($this->referer == '1'){        $this->referer   = '';      }      $this->filename   = basename($this->path);       // extract the content type       $ext = substr(strrchr($this->path, '.'), 1);       if ($ext == 'jpg' or $ext == 'jpeg') {         $this->contentType = 'image/pjpeg';       }       elseif ($ext == 'gif') {         $this->contentType = 'image/gif';       }       elseif ($ext == 'png') {         $this->contentType = 'image/x-png';       }       elseif ($ext == 'bmp') {         $this->contentType = 'image/bmp';       }       else {         $this->contentType = 'application/octet-stream';       }     }     //抓取網頁內容     function CurlGet($url){       $url = str_replace('&','&',$url);       $curl = curl_init();       curl_setopt($curl, CURLOPT_URL, $url);       curl_setopt($curl, CURLOPT_HEADER, false);       curl_setopt($curl, CURLOPT_REFERER,$url);       curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; SeaPort/1.2; Windows NT 5.1; SV1; InfoPath.2)");       curl_setopt($curl, CURLOPT_COOKIEJAR, 'cookie.txt');       curl_setopt($curl, CURLOPT_COOKIEFILE, 'cookie.txt');       curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);       curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 0);       $values = curl_exec($curl);       curl_close($curl);       return $values;     }   }   /**   * 取得根網域名稱   *   * @author   lonely   * @create    2011-3-11   * @version  0.11   * @lastupdate lonely   * @package Sl  */class RootDomain{     private static $self;    private $domain=null;    private $host=null;    private $state_domain;    private $top_domain;    /**     * 取得網域名稱分析執行個體     * Enter description here ...     */  public static function instace(){      if(!self::$self)        self::$self=new self();      return self::$self;    }    public function __construct(){      $this->state_domain=array(        'al','dz','af','ar','ae','aw','om','az','eg','et','ie','ee','ad','ao','ai','ag','at','au','mo','bb','pg','bs','pk','py','ps','bh','pa','br','by','bm','bg','mp','bj','be','is','pr','ba','pl','bo','bz','bw','bt','bf','bi','bv','kp','gq','dk','de','tl','tp','tg','dm','do','ru','ec','er','fr','fo','pf','gf','tf','va','ph','fj','fi','cv','fk','gm','cg','cd','co','cr','gg','gd','gl','ge','cu','gp','gu','gy','kz','ht','kr','nl','an','hm','hn','ki','dj','kg','gn','gw','ca','gh','ga','kh','cz','zw','cm','qa','ky','km','ci','kw','cc','hr','ke','ck','lv','ls','la','lb','lt','lr','ly','li','re','lu','rw','ro','mg','im','mv','mt','mw','my','ml','mk','mh','mq','yt','mu','mr','us','um','as','vi','mn','ms','bd','pe','fm','mm','md','ma','mc','mz','mx','nr','np','ni','ne','ng','nu','no','nf','na','za','aq','gs','eu','pw','pn','pt','jp','se','ch','sv','ws','yu','sl','sn','cy','sc','sa','cx','st','sh','kn','lc','sm','pm','vc','lk','sk','si','sj','sz','sd','sr','sb','so','tj','tw','th','tz','to','tc','tt','tn','tv','tr','tm','tk','wf','vu','gt','ve','bn','ug','ua','uy','uz','es','eh','gr','hk','sg','nc','nz','hu','sy','jm','am','ac','ye','iq','ir','il','it','in','id','uk','vg','io','jo','vn','zm','je','td','gi','cl','cf','cn','yr'    );      $this->top_domain=array('com','arpa','edu','gov','int','mil','net','org','biz','info','pro','name','museum','coop','aero','xxx','idv','me','mobi');      $this->url=$_SERVER['HTTP_HOST'];    }    /**     * 設定URL     * Enter description here ...     * @param string $url     */  public function setUrl($url=null){      $url=$url?$url:$this->url;      if(empty($url))return $this;      if(!preg_match("/^http:/is", $url))        $url="http://".$url;      $url=parse_url(strtolower($url));      $urlarr=explode(".", $url['host']);      $count=count($urlarr);      if ($count<=2){        $this->domain=$url['host'];      }else if ($count>2){        $last=array_pop($urlarr);        $last_1=array_pop($urlarr);        if(in_array($last, $this->top_domain)){          $this->domain=$last_1.'.'.$last;          $this->host=implode('.', $urlarr);        }else if (in_array($last, $this->state_domain)){          $last_2=array_pop($urlarr);          if(in_array($last_1, $this->top_domain)){            $this->domain=$last_2.'.'.$last_1.'.'.$last;            $this->host=implode('.', $urlarr);          }else{            $this->host=implode('.', $urlarr).$last_2;            $this->domain=$last_1.'.'.$last;          }        }      }      return $this;    }    /**     * 取得網域名稱     * Enter description here ...     */  public function getDomain(){      return $this->domain;    }    /**     * 取得主機     * Enter description here ...     */  public function getHost(){      return $this->host;    }  }  $referer = array('xuehuwang.com','zangbala.cn','qianzhebaikou.net','sinaapp.com','163.com','sina.com.cn','weibo.com','abc.com');  // Get the url, maybe you should check the given url   if (isset($_GET['url']) and $_GET['url'] != '') {     //擷取來路網域名稱    $site = (isset($_SERVER['HTTP_REFERER']) && !empty($_SERVER['HTTP_REFERER'])) ? $_SERVER['HTTP_REFERER'] : '';  //匹配是否是一個圖片連結    if(preg_match('/(http|https|ftp|rtsp|mms):(\/\/|\\\\){1}((\w)+[.]){1,}([a-zA-Z]|[0-9]{1,3})(\S*\/)((\S)+[.]{1}(gif|jpg|png|bmp))/i',$_GET['url'])){      if(!empty($site)){        $tempu = parse_url($site);        $host = $tempu['host'];        $root = new RootDomain();        $root->setUrl($site);        if(in_array($root->getDomain(),$referer)){          $img_referer = (isset($_GET['referer']) && !empty($_GET['referer']))? trim($_GET['referer']) : '';          new Frivoller($_GET['url'],$img_referer);         }      }else{        $img_referer = (isset($_GET['referer']) && !empty($_GET['referer']))? trim($_GET['referer']) : '';        new Frivoller($_GET['url'],$img_referer);       }    }  }   ?>

希望本文所述對大家的php程式設計有所協助。

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