// ==UserScript==
// @name        KissAnime Anti-Adblock Blocker
// @namespace   userscripts.org/user/swyter
// @description Not even the people from Easylist seem to fight this site anymore, someone had to try as this looks popular enough. *sigh*
// @match       http://kissanime.com/*
// @version     2015.07.22
// @grant       GM_addStyle
// @run-at      document-end
// @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=swyterzone%40gmail%2ecom&item_number=swydonations&currency_code=EUR
// @downloadURL none
// ==/UserScript==

/* run this just on the parent page, not in sub-frames */
if (window.parent !== window)
  throw "stop execution";

console.log("Started KissAnime Anti-Adblock Blocker, waiting for the DOM to load...");

function when_external_loaded()
{
  console.log("DOM loaded, processing stuff...");

  /* override the check in Chrome and call it a day */
  Object.defineProperty(window, 'DoDetect2',
  {
    configurable: false,
    writable: false,
    value: function()
    {
      console.info("check overriden!");
    }
  });

  /* remove the anti-adblock script */
  if((thing = document.querySelector("#adCheck3 + script")))
  {
    console.log("Getting rid of the script itself...");
    thing.parentElement.removeChild(thing);
  }

  /* get rid of the cruft */
  for(var elem in (cruft = document.querySelectorAll(" iframe[src*='ad'],                         \
                                                      .divCloseBut,                               \
                                                      .clear2,                                    \
                                                       div[style*='!important'],                  \
                                                       div[id^='divFloat'],                       \
                                                      .episodeList div[style$='float: left;'],    \
                                                      .episodeList .clear,                        \
                                                       div[style$='height:80px'],                 \
                                                       img[id^='adCheck']")))
  {
    if(typeof cruft[elem] === "object")
    {
      console.log("removing cruft: ", cruft[elem]);
      cruft[elem].parentElement.removeChild(cruft[elem]);
    }
  }

  /* let's hook the AJAX requests, just in case, and filter out the so-called 'ban'
     avoiding potential fake points loss and such, what a scummy move by the site owner */
  (function(xhr_proto_open)
  {
    window.XMLHttpRequest.prototype.open = function(method, url)
    {
      if(url.match(/ban|Banned|GotBanned/gi) !== null)
      {
        console.info("Intercepted shitty 'ban' request!", arguments);
        this.abort();
      }
      else
      {
        xhr_proto_open.apply(this, arguments);
      }
    };
  }(XMLHttpRequest.prototype.open));
}

/* 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() + ')()';