TT213 / JVC 64

// ==UserScript==
// @name           	JVC 64
// @description     Encodage des topics en Base 64
// @include        	http://www.jeuxvideo.com/*
// @version		    0.1
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
// @copyright 2018, TT213 (https://openuserjs.org/users/TT213)
// @license MIT
// ==/UserScript==

//Convertisseur Base64
var Base64={_keyStr:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",encode:function(e){var t="";var n,r,i,s,o,u,a;var f=0;e=Base64._utf8_encode(e);while(f<e.length){n=e.charCodeAt(f++);r=e.charCodeAt(f++);i=e.charCodeAt(f++);s=n>>2;o=(n&3)<<4|r>>4;u=(r&15)<<2|i>>6;a=i&63;if(isNaN(r)){u=a=64}else if(isNaN(i)){a=64}t=t+this._keyStr.charAt(s)+this._keyStr.charAt(o)+this._keyStr.charAt(u)+this._keyStr.charAt(a)}return t},decode:function(e){var t="";var n,r,i;var s,o,u,a;var f=0;e=e.replace(/[^A-Za-z0-9\+\/\=]/g,"");while(f<e.length){s=this._keyStr.indexOf(e.charAt(f++));o=this._keyStr.indexOf(e.charAt(f++));u=this._keyStr.indexOf(e.charAt(f++));a=this._keyStr.indexOf(e.charAt(f++));n=s<<2|o>>4;r=(o&15)<<4|u>>2;i=(u&3)<<6|a;t=t+String.fromCharCode(n);if(u!=64){t=t+String.fromCharCode(r)}if(a!=64){t=t+String.fromCharCode(i)}}t=Base64._utf8_decode(t);return t},_utf8_encode:function(e){e=e.replace(/\r\n/g,"\n");var t="";for(var n=0;n<e.length;n++){var r=e.charCodeAt(n);if(r<128){t+=String.fromCharCode(r)}else if(r>127&&r<2048){t+=String.fromCharCode(r>>6|192);t+=String.fromCharCode(r&63|128)}else{t+=String.fromCharCode(r>>12|224);t+=String.fromCharCode(r>>6&63|128);t+=String.fromCharCode(r&63|128)}}return t},_utf8_decode:function(e){var t="";var n=0;var r=c1=c2=0;while(n<e.length){r=e.charCodeAt(n);if(r<128){t+=String.fromCharCode(r);n++}else if(r>191&&r<224){c2=e.charCodeAt(n+1);t+=String.fromCharCode((r&31)<<6|c2&63);n+=2}else{c2=e.charCodeAt(n+1);c3=e.charCodeAt(n+2);t+=String.fromCharCode((r&15)<<12|(c2&63)<<6|c3&63);n+=3}}return t}}
var base64rejex = new RegExp("^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})([=]{1,2})?$");

//ENCODAGE (CREATION TOPIC/POST)
//Paramètres du bouton
encodage_creation = document.createElement("button");
encodage_creation.innerText = "Poster Base64";
encodage_creation.className = "btn btn-poster-msg datalayer-push js-post-topic";
encodage_creation.onclick = function() {
    function_encodage_creation();
};

//Création du bouton
document.querySelector("#bloc-formulaire-forum > form > div.row > div:nth-child(2)").appendChild(encodage_creation);

//Function d'encodage
function function_encodage_creation() {
    //Avant que tout soit envoyé au serveur
    $("#bloc-formulaire-forum > form").submit(function() {
        //Convertir le post/topic en Base 64
mots = (document.getElementById("message_topic").value).split(/\s/);
var topic = "";
for (var i = 0; i < mots.length; i++) {
if (mots[i].startsWith("[[") == false && mots[i].startsWith(":") == false && mots[i].startsWith(">") == false && mots[i].startsWith("http://") == false && mots[i].startsWith("https://") == false ) {
mots[i] =Base64.encode(mots[i]);
mots[i] =" "+mots[i];
}

topic = topic + mots[i];
}
document.getElementById("message_topic").value = topic;
    });
}


//Function de décodage topic qui se lance à chaque chargement de la page
window.onload = function() {
    var p = document.querySelectorAll(".txt-msg p");
for (var i = 0; i < p.length; i++) {
Array.from(p[i].childNodes).forEach( (s, i) => {
  if (s.nodeType == Node.TEXT_NODE && s.textContent.trim().length > 0) {
     mots = (s.textContent).split(/\s/);
     var topic = "";
      for (var j = 0; j < mots.length; j++) {
          if (mots[j].startsWith("[[") == false && mots[j].startsWith(":") == false && mots[j].startsWith(">") == false && mots[j].startsWith("http://") == false && mots[j].startsWith("https://") == false ) {
              mots[j] = Base64.decode(mots[j]);
              mots[j] =mots[j]+" ";
          }

          topic = topic + mots[j];
      }
      s.textContent = topic;

  }
}
);
}
};