本文实例讲述了php实现的网络相册图片防盗链完美破解方法。分享给大家供大家参考。具体如下：
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!
<?php /** * 网络相册图片防盗链破解程序 - PHP版 * * 使用方法： * * http://yourdomain/url.php?url=http://hiphotos.baidu.com/verdana/pic/item/baidupicture.jpg&referer= * 其中url是指需要破解的图片URL,而referer是为了兼容一些不需要设置来路域名才能显示的相册,例如360我喜欢网,必须设置来路为空才能正常浏览. 所以,此时应该设置referer为1 * * @author 雪狐博客 * @version 1.0 * @since July 16, 2012 * @URL http://www.xuehuwang.com */class Frivoller { /** * HTTP 版本号 (1.0, 1.1) , 百度使用的是 version 1.1 * * @var string */ protected $version; /** * 进行HTTP请求后响应的数据 * * @var 字符串格式 */ protected $body; /** * 需要获取的远程URL * * @var 字符串格式 */ protected $link; /** * An array that containing any of the various components of the URL. * * @var array */ protected $components; /** * HTTP请求时HOST数据 * * @var 字符串 */ 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("", $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"; $request .= "Host: $this->host"; $request .= "Accept-Encoding: gzip, deflate"; $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"; $request .= "Content-Type: image/jpeg"; $request .= "Accept: */*"; $request .= "Keep-Alive: 300"; $request .= "Referer: $this->referer"; $request .= "Cache-Control: max-age=315360000"; $request .= "Connection: close"; 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, ""); $body = substr($body, $endpos + 4); // strip filesize at nextline $body = substr($body, strpos($body, "") + 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 ($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); } } } ?>希望本文所述对大家的php程序设计有所帮助。
