// ==UserScript==
// @name         YouTube to mp3 Downloader
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  try to take over the world!
// @author       You
// @match        https://www.youtube.com/*
// @grant        GM.xmlHttpRequest
// @grant        GM_download
// ==/UserScript==
(()=>{
'use strict';
const download = (url, file_name) => {
GM_download({
url: url,
name: file_name,
saveAs: false,
});
};
const addBtn = (alies, func) => {
var btn = document.createElement("button");
btn.innerText = alies;
btn.addEventListener("click",func);
document.body.append(btn);
return btn;
};
function setCSS(elm,parm){
for(let k in parm) elm.style[k] = parm[k];
return elm;
}
const elm = setCSS(addBtn("download as mp3",main),{
position: "fixed",
top: 0,
left: 0,
zIndex: 999999,
});
function post(url,payload,onload){
function shapeParam(json){
return Object.keys(json).map(v=>v+'='+json[v]).join('&');
}
GM.xmlHttpRequest({
method: "POST",
url: url,
data: shapeParam(payload),
headers: {
"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"
},
onload: function(response) {
onload(response.responseText);
}
});
};
function main(){
const id = location.href.match(/[\?&]v=([^&]+)/)[1];
const title = document.getElementsByTagName("title")[0].innerText.replace(/ - YouTube$/,'');
unsafeWindow.id = id;
setCSS(elm,{
display: "none"
});
post("https://www.y2mate.com/mates/mp3/ajax",{
url: location.href,
q_auto: 1,
ajax: 1,
},function(){
main2(id, title);
});
};
function main2(id, title){
post("https://www.y2mate.com/mates/mp3Convert",{
type: "youtube",
_id: "5f40aa59d684eb68478b4571",
v_id: id,
mp3_type: "320", // kbps
token: '',
},function(res) {
unsafeWindow.s = res;
setCSS(elm,{
display: "block"
});
const url = res.match(/<a href=\\"[^"]+/)[0].match(/".+$/)[0].slice(1,-1);
download(url, title);
});
}
})();