fisker's blog

function getBlogbusImage(url){
try{
    var ext=url.substring(url.length-4,url.length);
    if(!(ext==".jpg"||ext==".gif"||ext==".png")) return;
    var newfname=Math.random()+ext;

    var xmlhttp=Server.CreateObject("MSXML2.Serverxmlhttp.3.0");
    /*
    //这里的代码是为了访问主页得到cookies，以便下一步访问图片的时候伪造，
    //但实际上现在blogbus仅仅是检测了一个valid=blogbus.com，所以我把这块代码注释掉了

    var blogHp = url.substring(0,url.replace("http://","").indexOf("/")+8);
    //var blogHp = url.substring(0,url.lastIndexOf("/")-5);
    xmlhttp.open("GET",url.substring(0,url.lastIndexOf("/")-5),false);
    xmlhttp.setRequestHeader("referer","http://www.blogbus.com/");
    xmlhttp.send(null);
    var cookie=xmlhttp.getResponseHeader("Set-Cookie");
    */
    var cookie="valid=blogbus.com";

    var fileStream;
    xmlhttp.open("GET",url.replace("http://","http://vipfiles.blogbus.com/"),false);    
    xmlhttp.setRequestHeader("Cookie",cookie);

    xmlhttp.send(null);
    if (xmlhttp.readyState == 4){
    fileStream=xmlhttp.responseBody;
    }else{
        return ;
    }
    delete xmlhttp;


    var objStream = Server.CreateObject("ADOD"+"B.Stream");
    objStream.Type = 1;
    objStream.Open();
    objStream.write(fileStream);
    
    objStream.SaveToFile(Server.MapPath(newfname),2);
    objStream.Flush();
    objStream.Close();
    delete objStream;

    return newfname;
}catch(e){
        return ;
}
}