HTML5 thingie for Spotify Web Player

asdf
As of 13/12/2015. See the latest version.
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// ==UserScript==
// @name        HTML5 thingie for Spotify Web Player
// @namespace   https://greasyfork.org/users/4813-swyter
// @match       https://play.spotify.com/*
// @version     2015.11.20
// @noframes
// @icon        https://i.imgur.com/CecLLKu.png
// @grant       none
// @run-at      document-start
// @description asdf
// ==/UserScript==

  / * SWFobject.js faker, sneaky! * /
  Object.defineProperty(window, 'swfobject',
  {
    configurable: false,
    writable: false,
    value:
    {
      getFlashPlayerVersion: function(){ console.log("-<-< getFlashPlayerVersion =>", arguments); return { major: 11, minor: 2, release: 202 }; },
      hasFlashPlayerVersion: function(){ console.log("-<-< hasFlashPlayerVersion =>", arguments); return true; },
      embedSWF:              function(swf, parent_id, unk_a, unk_b, req_flash_ver, unk_c, properties)
      {
        console.log("-<-< embedSWF =>", arguments, arguments[9].toString(), this, properties);

        
  function dowork(ping)
{
  //http://crossorigin.me/http://ping-pong.spotify.nodestuff.net/64-104-120-204-164-75-214-221-224-109-28-127-73-236-239-150-88-238-177-90

  console.log("ping-pong", ping);
  
  function worker_code()
  {
    var xhr = new XMLHttpRequest();
    xhr.open("GET", "https://crossorigin.me/http://ping-pong.spotify.nodestuff.net/" + ping.replace(/ /g,"-"), false);
    xhr.responseType = "json";
    xhr.send();
  }
  
  var xhr_worker = new Worker(new Blob(aFileParts, {type : 'text/html'}));
  xhr_worker.postMessage(ping);
  
  // believe me, i know this sucks
  //while(xhr.readyState != xhr.DONE){}
  
  console.log("pong", xhr);
  
  return xhr.response.pong.replace(/-/g," ");
  
}
        
        
        
        var dummy = document.createElement("audio");
        dummy.id = properties.id;
        dummy.sp_run = function(proof){ console.log("-<-< sp_run =>", arguments); return dowork(proof); };
        dummy.sp_hasSound = function(){ return true };
        
        dummy.__noSuchMethod__  = function(name,params) { console.log('==>>== > invalid function call', name, params); };

        
        var handler =
        {
          get: function(target, name)
          {
            if (name in dummy)
             return dummy[name]();
            else
             console.log("Proxy =>", target, name);
          }
       };
        
        
        window.document[properties.id] = dummy; //new Proxy({}, handler); // {};//dummy;

        parent_elem = document.getElementById(parent_id)
        parent_elem.appendChild(dummy);

        // tell the spotify framework that the swf embed is ready
        arguments[9].apply(this, [{success: true}]);
        
        
        // act as the swf bridge and tell it that the Flash-backend is ready
        // JSInterface.notify(ApplicationEvents.READY,null,1);
        Spotify.Instances.get(properties.instanceId).audioManager.getInterface()._triggerDeferred('FLASH_AVAILABLE', null);
        Spotify.Instances.get(properties.instanceId).audioManager.getInterface()._triggerDeferred('READY', null);
        
        console.log("AUDIOMANAGER-INTERFACE", properties.id, window.document[properties.id], Spotify.Instances.get(properties.instanceId).audioManager.getInterface(),
                   Spotify.Instances.get(properties.instanceId).audioManager.getInterface().hasSound())
      }
    }
  });



function when_external_loaded()
{
// ---
  
  window.swfobject = {}; 
  
/* wait until the page is ready for the code snippet to run */
document.addEventListener('DOMContentLoaded', function()
{
  console.log("!!! DOMContentLoaded");
  
  
  window.swfobject = {};
  /*
  / * SWFobject.js faker, sneaky! * /
  Object.defineProperty(window, 'swfobject',
  {
    configurable: false,
    writable: false,
    value:
    {
      getFlashPlayerVersion: function(){ console.log("-<-< getFlashPlayerVersion =>", arguments); return { major: 11, minor: 2, release: 202 }; },
      hasFlashPlayerVersion: function(){ console.log("-<-< hasFlashPlayerVersion =>", arguments); return true; },
      embedSWF:              function(){ console.log("-<-< embedSWF =>", arguments); }
    }
  });
  
  */
  
  WebSocket.prototype.sond = WebSocket.prototype.send;
  WebSocket.prototype.send = function(msg)
  {
    if (this.onmessage && this.sucks !== true)
    {
      callback = this.onmessage;
      
      console.log("orig prev callback:", callback);

      this.onmessage = function(message)
      {
        var json_msg = JSON.parse(message.data);
        
        if (json_msg.id === window.last_track_msg)
          console.info("<- ws recv: ", window.last_track_msg, message.data);
        
        if (json_msg && json_msg.result && json_msg.result.uri)
          open(json_msg.result.uri);
        
        callback(message);
      }
      
      this.sucks = true;
    }

    var json_msg = JSON.parse(msg);

    // get http link
    if (json_msg && json_msg.name == 'sp/track_uri')
    {
      arguments[0] = msg.replace(',"rtmp"', '');
      window.last_track_msg = json_msg.id;
      console.info("-> ws send: ",  json_msg.id, msg);
    }
    //dec_msg = json_msg.name === 'sp/hm_b64' ? atob(json_msg.args[0]) : null;
    
    //console.info("-> ws send: ", msg); //json_msg, dec_msg);
    
    //if (json_msg.name !== 'sp/log')
     return WebSocket.prototype.sond.apply(this, arguments);
  }
  
});
  
// ---
}

/* inject this cleaning function right in the page to avoid silly sandbox-related greasemonkey limitations */
window.document.head.appendChild(
  inject_fn = document.createElement("script")
);

inject_fn.innerHTML = '(' + when_external_loaded.toString() + ')()';