// ==UserScript==
// @name         Auto mp3 downloader
// @description  Automatic download of multiple mp3s from https://www.emp3z.com. Just insert list of songs into textarea, push the button and wait till it finishes.
// @author       Bladito
// @version      0.6.6
// @homepageURL  https://greasyfork.org/en/users/55159-bladito
// @match        *://www.emp3x.ws/*
// @match        *://www.emp3z.ws/*
// @match        *://www.emp3z.co/*
// @match        *://www.emp3z.com/*
// @match        *://www.emp3c.com/*
// @match        *://www.emp3s.co/*
// @match        *://www.emp3d.co/*
// @match        *://www.emp3c.co/*
// @match        *://www.emp3e.com/*
// @match        *://y-api.org/button/*
// @namespace    Bladito/auto-mp3-downloader
// @require      http://code.jquery.com/jquery-latest.js
// @grant        none
// ==/UserScript==
(function($) {
'use strict';
// run this code in inner cross origin iframe
if (isSubstringInURL('/button/')) {
log('SCRIPT 2');
rememberUrlForSong();
return;
}
log('SCRIPT 1');
window.addEventListener('message', receiveMessage, false);
function receiveMessage(evt) {
log('RECEIVED MESSAGE', evt);
if (evt.data && evt.data.indexOf('Bladito_link:') === 0) {
setFoundDataForCurrentSong($('.song-list ul:eq(0) li:eq(0) a b').text(), evt.data.replace('Bladito_link:', ''));
findUrlForNextSong();
}
}
// block annoying popups
var openWindow = window.open;
window.open = function() {
console.log('[Bladito/auto-mp3-downloader] Blocked opening window');
return;
};
detectAdditionInDOM($('body').get(0), function(mutation) {
if (mutation.target.tagName === 'BODY' && mutation.addedNodes[0].tagName === 'A') {
console.log('[Bladito/auto-mp3-downloader] Removing overlay');
$(mutation.addedNodes[0]).remove();
}
});
var storageName = 'Bladito_autoDownloader_toDL';
var storageStateName = 'Bladito_autoDownloader_state';
var storageNowFinding = 'Bladito_autoDownloader_nowFinding';
var storageDebugName = 'Bladito_autoDownloader_isDebug';
var artistAndSongOnSeparateLines = false;
var STATE = {
IDLE:'IDLE',
FINDING_URLS:'FINDING_URLS',
DOWNLOADING:'DOWNLOADING'
};
init();
log('state=',getState(),window.location.pathname);
if (getState() === STATE.IDLE || getState() === STATE.DOWNLOADING) {
insertCustomHTMLElements();
}
if (getState() === STATE.IDLE) {
printR###lts(true);
}
if (getState() === STATE.FINDING_URLS) {
if (isR###ltsPage()) {
log('song found');
window.location.href = $('a[href^="/download"')[0].href;
} else if (isDetailPage()) {
log('remembering download url');
$('#dl1').click(); // this will fetch another iframe
//rememberUrlForSong();
} else if (isNotFoundPage()) {
log('song not found');
setFoundDataForCurrentSong('N/A', undefined);
findUrlForNextSong();
} else if (isMainPage()) {
addResetButton();
}
}
if (getState() === STATE.DOWNLOADING) {
downloadSongs();
printR###lts();
resetInitialState(true);
}
//------------------------------------------------------------------------------------------------------------------
function init() {
if (!getState()) {
setState(STATE.IDLE);
}
if (getState() === STATE.FINDING_URLS && !getNextSongToFind()) {
setState(STATE.DOWNLOADING);
}
}
function findDownloadUrls() {
var textAreaVal = $('#my-dl-list').val(),
mp3List = prepareMp3List(textAreaVal);
if (typeof mp3List === 'string') {
showError(mp3List);
return;
}
setMp3List(mp3List);
setState(STATE.FINDING_URLS);
log('to dl ', JSON.stringify(mp3List));
findUrlForNextSong();
}
function findUrlForNextSong() {
var nextSong = getNextSongToFind();
if (nextSong) {
log('gonna find ', nextSong.name);
setNowFinding(nextSong.name);
$('input[name="search"]', window.parent.document).val(nextSong.name);
$('input[name="search"]', window.parent.document).parents('form').submit();
//$('input[name="search"]').val(nextSong.name);
//$('input[name="search"]').parents('form').submit();
} else {
location.href = 'https://www.emp3z.com/';
}
}
function setFoundDataForCurrentSong(songName, songUrl) {
var currentSong = getNowFinding(),
list = getMp3List();
for (var i=0; i<list.length; i+=1) {
if (list[i].name === currentSong) {
list[i].processed = true;
list[i].url = songUrl;
list[i].foundName = songName;
log('SAVED URL ', songUrl, ' for song ', list[i].name);
break;
}
}
setMp3List(list);
}
function getNextSongToFind() {
var list = getMp3List();
for (var i=0; i<list.length; i+=1) {
if (list[i].processed !== true) {
return list[i];
}
}
return undefined;
}
function prepareMp3List(mp3listString) {
var i, list, r###lt = [];
if (!mp3listString || mp3listString.length === 0) {
return 'EMPTY_INPUT';
}
list = mp3listString.split('\n');
if (artistAndSongOnSeparateLines) {
if (list.length % 2 !== 0) {
return 'ODD_NUMBER';
}
for (i=1; i<list.length; i+=2) {
r###lt.push({
name: list[i-1] + ' ' + list[i]
});
}
} else {
for (i=0; i<list.length; i+=1) {
r###lt.push({
name: list[i]
});
}
}
return r###lt;
}
function rememberUrlForSong() {
/*
var interval = setInterval(function() {
log('finding link...');
var link = $($('iframe')[0].contentWindow.document).find('#ytd')[0];
if (link && link.href && link.href.length > 0) {
window.clearInterval(interval);
log('found link! ', link.href);
setFoundDataForCurrentSong($('.song-list ul:eq(0) li:eq(0) a b').text(), link.href);
findUrlForNextSong();
}
}, 1000);
*/
var interval = setInterval(function() {
log('finding link...');
var link = $('#button a')[0];
if (link && link.href === 'https://y-api.org/') {
$('#progress').click();
}
if (link && link.href && link.href.length > 0 && link.href !== 'https://y-api.org/') {
window.clearInterval(interval);
log('found link! sending message', link.href);
window.parent.parent.postMessage('Bladito_link:' + link.href, '*');
}
}, 1000);
}
function downloadSongs() {
var list = getMp3List();
for (var i=0; i<list.length; i+=1) {
if (list[i].url) {
openWindow(list[i].url, '_blank');
}
}
}
function resetInitialState(keepList) {
setState(STATE.IDLE);
setNowFinding(null);
if (!keepList) {
setMp3List([]);
}
}
function insertCustomHTMLElements() {
var customElements, searchForm = $('form[action^="/search"]');
customElements =
'<div class="input-group col-lg-8" style="padding-top: 15px;">' +
'<textarea id="my-dl-list" class="form-control" style="height: 120px;" placeholder="Insert one or multiple songs separated by enter."/>' +
'<span class="input-group-btn" style="vertical-align: top;">' +
'<button id="my-btn" class="btn btn-primary" style="height: 100%; min-height: 120px; border: none; padding: 0 14px;">Auto Download</button>' +
'</span>' +
'</div>' +
'<div class="input-group col-lg-8" style="text-align: left;">' +
'<label><input type="checkbox" id="bladito-input-mode" style="margin: 0 2px 0 0; vertical-align: text-top;">Artist and song on separate lines</label>' +
'</div>'
;
searchForm.append(customElements);
$('#my-btn').click(findDownloadUrls);
$('#bladito-input-mode').click(function() {
artistAndSongOnSeparateLines = $(this).is(':checked');
});
}
function showError(errCode) {
var searchForm = $('form[action^="/search"]');
$('#bladito-error-message').remove();
if (errCode === 'ODD_NUMBER') {
searchForm.prepend('<div id="bladito-error-message" class="input-group col-lg-12" style="height: 50px; line-height: 50px; margin-top: 15px; margin-bottom: 15px; color: white; background-color: #d64747;">'+
'You inserted ODD number of lines. Unable to continue.</div>');
} else if (errCode === 'EMPTY_INPUT') {
searchForm.prepend('<div id="bladito-error-message" class="input-group col-lg-12" style="height: 50px; line-height: 50px; margin-top: 15px; margin-bottom: 15px; color: white; background-color: #d64747;">'+
'No songs inserted into textarea!</div>');
}
}
function printR###lts(isOldR###lt) {
var r###ltsHtml,
r###ltsMessageHtml,
list = getMp3List(),
failedCounter = 0,
searchForm = $('form[action^="/search"]'),
r###ltColor = isOldR###lt ? '#008cba;' : '#71bf44;';
r###ltsHtml = '<div class="input-group col-lg-12" style="padding: 15px; border: 1px solid '+r###ltColor+'"><table style="width: 100%;"><tbody><tr><th>Searched Song</th><th>Found Song</th><th></th><tr>';
for (var i=0; i<list.length; i+=1) {
r###ltsHtml += '<tr><td>' + list[i].name + '</td><td>' + list[i].foundName + '</td><td>';
if (list[i].url) {
r###ltsHtml += '<a href="' + list[i].url + '">Redownload</a>';
} else {
r###ltsHtml += 'Not found';
failedCounter += 1;
}
r###ltsHtml += '</td></tr>';
}
setMp3List(list);
r###ltsHtml += '</tbody></table></div>';
r###ltsHtml = $(r###ltsHtml);
if (isOldR###lt) {
r###ltsMessageHtml = '<div class="input-group col-lg-12" style="height: 50px; line-height: 50px; margin-top: 15px; color: white; background-color: '+r###ltColor+'">Last time you searched for:';
} else {
r###ltsMessageHtml = '<div class="input-group col-lg-12" style="height: 50px; line-height: 50px; margin-top: 15px; color: white; background-color: '+r###ltColor+'">Found: ' + (list.length - failedCounter) + '/' + list.length + ' songs.';
}
searchForm.append(r###ltsHtml);
r###ltsHtml.before(r###ltsMessageHtml);
}
function addResetButton() {
var customElements, searchForm = $('form[action^="/search"]');
customElements =
'<div class="input-group col-lg-12" style="height: 50px; margin-top: 15px; color: white; background-color: #d9534f;">Oops, something went wrong :(.' +
'<button id="my-reset-btn" type="button" class="btn btn-primary" style="margin-left: 15px;">Reset to initial state</button>' +
'</div>'
;
searchForm.append(customElements);
$('#my-reset-btn').click(function() {
resetInitialState();
location.href = 'https://www.emp3z.com/';
});
}
function isR###ltsPage() {
return isSubstringInURL('/mp3/');
}
function isDetailPage() {
return isSubstringInURL('/download/');
}
function isNotFoundPage() {
return isSubstringInURL('/404.php');
}
function isMainPage() {
return window.location.pathname === '/';
}
function isSubstringInURL(substring) {
return window.location.pathname.substring(0, substring.length) === substring;
}
function log() {
if (localStorage.getItem(storageDebugName) === 'true') {
console.log.apply(console, arguments);
}
}
function setState(state) {
localStorage.setItem(storageStateName, state);
}
function getState() {
return localStorage.getItem(storageStateName);
}
function setNowFinding(songName) {
localStorage.setItem(storageNowFinding, songName);
}
function getNowFinding() {
return localStorage.getItem(storageNowFinding);
}
function setMp3List(mp3list) {
localStorage.setItem(storageName, JSON.stringify(mp3list));
}
function getMp3List() {
return JSON.parse(localStorage.getItem(storageName));
}
function detectAdditionInDOM(node, callback) {
var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
if (node) {
if (MutationObserver) {
var obs = new MutationObserver(function(mutations, observer) {
mutations.forEach(function(mutation) {
if (mutation.addedNodes.length) {
callback(mutation);
}
});
});
obs.observe(node, { childList:true, subtree:true });
} else if (window.addEventListener) {
node.addEventListener('DOMNodeInserted', callback, false);
}
}
}
})(jQuery);