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// ==UserScript==
// @name Picarto Chat Extender
// @namespace http://www.furaffinity.net/user/Maloo
// @description Adds in additional interfaces for the Picarto chat script for userscripts to use. Add "https://picarto.tv/js/chat/chat_new_client.min.js$~xmlhttprequest" to your adblocker if you are not running Firefox/Greasemonkey.
// @license MIT
// @include https://picarto.tv/*
// @exclude https://picarto.tv/communities*
// @exclude https://picarto.tv/
// @exclude https://picarto.tv/settings*
// @version 1.4
// @grant none
// @run-at document-start
// ==/UserScript==
var verString = "1.5 (2020-04-03)";
/*
Known Script Hashes, with dates observed and variables:
E71D7DF4: (9/17/17) e/G/c
CA9ABC7C: (9/25/17) e/q/l
E3ACCB3A: (10/11/17) e/q/l
F12DDC6B: (10/23/17) e/W/l
5C7AFE02: (10/28/17) e/q/l
7B66DC7C: (11/20/17) e/q/l
BF9BAEE9: (12/4/17) externalScope/socket/statusMsg (no longer minified? RegExes hopefully expanded to cover both minified and unminified)
7C151ACA: (1/4/18) e/G/l
06FFD550: (5/8/18) e/V/c
*/
var i;
var changed = 1; // How many scripts need to be edited with
if(navigator.userAgent.toLowerCase().indexOf('firefox') > -1){
// On firefox, we can block the script. For now.
changed = 1; // How many scripts need to be edited with
window.addEventListener('beforescriptexecute', function(e) {
///for external script:
var src = e.target.src;
if (src.search(/chat_new_client\.min\.js/) != -1) {
changed--;
e.preventDefault();
e.stopPropagation();
console.log("Blocked Chat Script");
}
if(changed === 0) window.removeEventListener(e.type, arguments.callee, true);
}, true);
////////////////////////////////////////////////
} else console.log ("Not Firefox, make sure to block chat script w/Adblock! \"https://picarto.tv/js/chat/chat_new_client.min.js$~xmlhttprequest\"");
function exec(fn) {
var script = document.createElement('script');
script.setAttribute("type", "application/javascript");
script.textContent = '(' + fn + ')();';
modifyHeadSafe(function () {document.head.appendChild(script);}); // run the script
modifyHeadSafe(function () {document.head.removeChild(script);}); // clean up
}
function passStrVarToWindow(toPass, varName) {
var script = document.createElement('script');
script.setAttribute("type", "application/javascript");
script.textContent = varName + ' = "' + toPass + '";';
modifyHeadSafe(function () {document.head.appendChild(script);}); // run the script
modifyHeadSafe(function () {document.head.removeChild(script);}); // clean up
}
//Add permanent window scope script. Now with less giant strings without syntax highlighting!
function addWindowScript(fn, ident)
{
var script = document.createElement('script');
script.setAttribute("type", "application/javascript");
script.setAttribute("id", ident);
script.textContent = fn.toString().slice(fn.toString().indexOf("{") + 1,-2); //KLUUUUUUDGE.
modifyHeadSafe(function () {document.head.appendChild(script)});
}
var headFunctions = [];
function modifyHeadSafe(toDo){
if ((document.head) && (headFunctions.length == 0))
{
if (toDo != null) toDo();
}
else
{
//console.log("Pushing headFunction #" + headFunctions.length);
headFunctions.push(toDo);
}
}
var waitForHead = setInterval(function() {
if (document.head)
{
while (headFunctions.length != 0)
{
//console.log("Executing headFunction #" + headFunctions.length);
headFunctions.shift()();
}
clearInterval(waitForHead);
}
},50);
//Create container for holding functions and messages to be executed after script load
addWindowScript(function() {
window.CustomFunctions = {
callbacks:[],
addMsgBacklog:[],
execute: function(){
for (i = 0; i < this.callbacks.length; i++) {
this.callbacks[i]();
}
var tsTemp = window.addMsg.toString();
if (tsTemp.search(/CustomFunctions/) == -1)
{
for (i = 0; i < this.addMsgBacklog.length; i++) {
window.addMsg(this.addMsgBacklog[i]);
}
}
else console.log("Recursion Protection!");
}
};
}, "PicChatExt_CF");
//Temporary Function to pass messages into backlog.
exec(function() {
window.addMsg = function(msg) {
console.log("\"" + msg + "\" added to backlog.");
CustomFunctions.addMsgBacklog.push(msg);
};
});
exec(function() {
if (!window.initChat)
{
window.initChat = function() {
console.log("initChat Error Supressed");
};
}
});
passStrVarToWindow(verString, "verString");
addWindowScript(function () {
String.prototype.hashCode = function(){
var hash = 0;
if (this.length === 0) return hash;
for (i = 0; i < this.length; i++) {
var char = this.charCodeAt(i);
hash = ((hash<<5)-hash)+char;
hash = (hash & hash) >>> 0; // Convert to 32bit UNSIGNED integer
}
return hash;
};
function hexRep(number, width) { return (number).toString(16).slice(-width).toUpperCase(); }
var jsContent;
//console.log("Borp1");
function reqListener () {
var scriptHash = hexRep(this.responseText.hashCode(), 8);
console.log("Recieved Chat JS. Hash: " + scriptHash );
jsContent = this.responseText;
var tempreg = /function\s*\(/;
var temp = tempreg.exec(jsContent);
var exScopeVar = jsContent.substring(temp.index + temp[0].length, jsContent.search(/\)\{/));
//console.log(temp);
window.DEBUGtemp = temp;
var inSocktVar = jsContent.substring(jsContent.search(/\w+\s?=\s?new picarto\.Client/), jsContent.search(/\s?=\s?new picarto\.Client\([^)]+\)/));
var tempLoc = jsContent.search(/\s?=\s?new picarto\.Client\([^)]+\)/);
var crSocktStr = jsContent.substring(tempLoc, tempLoc + jsContent.match(/\s?=\s?new picarto\.Client\([^)]+\)/)[0].length);
var statusMsgF = jsContent.substring(jsContent.search(/\w+\(\w+\)\s?\{\s*\w+\(['"]<div><span class=(\\'|'|\\"|")update.*(\\'|'|\\"|")>['"]\s*\+/), jsContent.search(/\(\w+\)\s?\{\s*\w+\(['"]<div><span class=(\\'|'|\\"|")update.*(\\'|'|\\"|")>['"]\s*\+/));
if ((exScopeVar.length < 1) || (inSocktVar.length < 1) || (statusMsgF.length < 1)) {console.log("Variables not isolated successfully!"); console.log("exScopeVar: " + exScopeVar + " inSocktVar: " + inSocktVar + " statusMsgF: " + statusMsgF); return;}
jsContent = jsContent.replace(/[;,]\s?\w+(\.|\['|\[")socket"?'?\]?\s?=\s?\w+[,;]/, ',' + exScopeVar + '.addMsg = ' + statusMsgF + ',');
console.log("exScopeVar: " + exScopeVar + " inSocktVar: " + inSocktVar + " statusMsgF: " + statusMsgF);
jsContent = jsContent.replace(/\w+\s?=\s?new picarto\.Client\([^)]+\)/, inSocktVar + crSocktStr);
tempreg = new RegExp("[;,]\s*" + inSocktVar + "\.Connect\(\)");
tempLoc = jsContent.search(tempreg);
jsContent = jsContent.slice(0, tempLoc) + ';' + exScopeVar + '.socket = ' + inSocktVar + jsContent.slice(tempLoc);
//console.log("Borp5");
var waitFor = setInterval(function() {
if (document.querySelector("#channel_chat > audio + script, .panel_popoutchat > audio + script") && window.addMsg)
{
//console.log("Dad Found!");
//console.log(window.addMsg);
clearInterval(waitFor);
if (typeof window.socket !== 'undefined') {
window.alert("===Picarto Chat Extender===\nChat Script was not blocked.\nThis userscript downloads and modifies\nthe chat script dynamically.\nIf you are not using Firefox,\nyou must use Adblock to block the script\nwith the following filter\n\nhttps://picarto.tv/js/chat/chat_new_client.min.js$~xmlhttprequest");
throw new Error("Chat Script not blocked!");
}
var initContent;
var iscript = document.createElement('script');
var cscript = document.createElement('script');
initContent = document.querySelector("#channel_chat > audio + script, .panel_popoutchat > audio + script");
cscript.setAttribute("type", "application/javascript");
cscript.setAttribute("id", "ChatClient");
iscript.setAttribute("type", "application/javascript");
iscript.setAttribute("id", "ChatInit");
cscript.textContent = jsContent;
iscript.textContent = initContent.innerHTML;
initContent.parentNode.removeChild(initContent);
document.head.appendChild(cscript);
document.head.appendChild(iscript);
window.initContent = initContent;
console.log("Chat Extender Script Loaded.");
setTimeout(function() {
window.addMsg("Chat Extender Ver " + verString + " Loaded Successfully.\nChat Script Hash: " + scriptHash);
window.CustomFunctions.execute();
}, 1000);
}}, 100);
//console.log("TimeoutAdded");
}
var oReq = new XMLHttpRequest();
oReq.addEventListener("load", reqListener);
oReq.open("GET", "https://picarto.tv/js/chat/chat_new_client.min.js");
oReq.send();
//console.log("Borp2");
}, "PicChatExt_RepScript");