PHP解决网络相册图片防盗链

后端开发|php教程 网络相册图片防盗链破解程序 – PHP版 这个防盗链破解版可以完美破解当下比较流行的: 百度相册,网易相册,360我喜欢等网站图片. 还可以实现简单的图片防盗链. 因为这个类是先进行获取远程图片, 然后再把图片发送到客户端,所以,算是进行了两次流量的传送.因此,会浪费空间流量,接下来,会开发缓存功能,这样可以实现节约流量!

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                // 如果不发送CT，则在试图保存图片时，IE7 会发生错误 (800700de)                // Flock, Firefox 则没有这个问题，Opera 没有测试                header("Content-Type: $this->contentType;");                header("Cache-Control: max-age=315360000");               echo $this->body;                                           //保存图片                //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 {                $this->contentType  = 'application/octet-stream';            }        }        //抓取网页内容        function CurlGet($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;        }               }    /**    * 取得根域名    *    * @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 $top_domain;       /**        * 取得域名分析实例        * Enter description here ...        */    public static function instace(){           if(!self::$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'];       }       /**        * 设置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 ($countdomain=$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;       }       /**        * 取得域名        * Enter description here ...        */    public function getDomain(){           return $this->domain;       }       /**        * 取得主机        * 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'] != '') {                       //获取来路域名       $site = (isset($_SERVER['HTTP_REFERER']) && !empty($_SERVER['HTTP_REFERER'])) ? $_SERVER['HTTP_REFERER'] : '';                      //匹配是否是一个图片链接       if(preg_match('/(http|https|ftp|rtsp|mms):(\/\/|\\\\){1}((\w)+[.]){1,}([a-zA-Z]|[0-9]{1,3})(\S*\/)((\S)+[.]{1}(gif|jpg|png|bmp))/i',$_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);            }       }   }    ?>