There are 103 previous versions of this script.
// ==UserScript==
// @name Download YouTube Videos as MP4
// @description Adds a button that lets you download YouTube videos.
// @namespace http://googlesystem.blogspot.com
// @include http://www.youtube.com/watch?*
// @include https://www.youtube.com/watch?*
// @match http://www.youtube.com/watch?*
// @match https://www.youtube.com/watch?*
// @homepageURL http://userscripts.org/scripts/show/25105
// @updateURL https://userscripts.org/scripts/source/25105.meta.js
// @author Gantt
// @version 1.5.13
// @date 2013-05-21
// @license MIT License
// @icon data:image/png;base64,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
// ==/UserScript==
(function () {
var FORMAT_LABEL={'18':'MP4 360p','22':'MP4 720p (HD)','34':'FLV 360p','35':'FLV 480p','37':'MP4 1080p (HD)','38':'MP4 4K (HD)','43':'WebM 360p','44':'WebM 480p','45':'WebM 720p (HD)','46':'WebM 1080p (HD)'};
var FORMAT_TYPE={'18':'mp4','22':'mp4','34':'flv','35':'flv','37':'mp4','38':'mp4','43':'webm','44':'webm','45':'webm','46':'webm'};
var FORMAT_ORDER=['18','34','43','35','44','22','45','37','46','38'];
var FORMAT_RULE={'flv':'max','mp4':'all','webm':'none'};
// all=display all versions, max=only highest quality version, none=no version
// the default settings show all MP4 videos, the highest quality FLV and no WebM
var BUTTON_TEXT={'ar':'تنزيل','cs':'Stáhnout','de':'Herunterladen','en':'Download','es':'Descargar','fr':'Télécharger','it':'Scarica','ja':'ダウンロード','pl':'Pobierz','pt':'Baixar','ro':'Descărcați','ru':'Скачать','zh':'下载'};
var BUTTON_TOOLTIP={'ar':'تنزيل هذا الفيديو','cs':'Stáhnout toto video','de':'Dieses Video herunterladen','en':'Download this video','es':'Descargar este vídeo','fr':'Télécharger cette vidéo','it':'Scarica questo video','ja':'このビデオをダウンロードする','pl':'Pobierz plik wideo','pt':'Baixar este vídeo','ro':'Descărcați acest videoclip','ru':'Скачать это видео','zh':'下载此视频'};
var RANDOM=Math.floor(Math.random()*1234567890);
var CONTAINER_ID='download-youtube-video'+RANDOM;
var LISTITEM_ID='download-youtube-video-fmt'+RANDOM;
var BUTTON_ID='download-youtube-video-button'+RANDOM;
var DEBUG_ID='download-youtube-video-debug-info';
var videoID, videoTicket, videoFormats, isFeather=false;
run();
function run() {
isFeather=document.getElementById('p')!=null && document.getElementById('vo')!=null;
var language=document.documentElement.getAttribute('lang');
var footer=document.getElementById('footer-links');
if (footer==null && isFeather) {
footer=document.getElementById('ft');
}
if (language=='' && footer && /\/ja\/|\.co\.jp/.test(footer.innerHTML)) {
language='ja'; // fix YouTube bug
}
var textDirection='left';
if (document.body.getAttribute('dir')=='rtl') {
textDirection='right';
}
if (/^ar|bg|ca|cs|de|el|es|eu|fa|fi|fil|fr|gl|hi|hr|hu|id|it|iw|kn|lt|ml|ms|mr|nl|pl|pt|ro|ru|sl|sk|sr|sw|ta|te|uk|ur|vi|zu$/.test(language)) { // fix international UI
var likeButton=document.getElementById('watch-like');
if (likeButton) {
var spanElements=likeButton.getElementsByClassName('yt-uix-button-content');
if (spanElements) {
spanElements[0].style.display='none'; // hide like text
}
}
var marginPixels=10;
if (/^bg|el|es|eu|hr$/.test(language)) {
marginPixels=3;
} else if (language=='ml') {
marginPixels=1;
}
injectCSS('#watch7-secondary-actions .yt-uix-button{margin-'+textDirection+':'+marginPixels+'px!important}');
}
// obtain video ID, temporary ticket, formats map
var config=null, args;
var usw=getUnsafeWindow();
if (usw.ytplayer && usw.ytplayer.config) {
config=usw.ytplayer.config;
}
if (config && config.args) {
args=config.args;
}
if (args) {
videoID=args['video_id'];
videoTicket=args['t'];
videoFormats=args['url_encoded_fmt_stream_map'];
}
debug('DYVAM - Info: Standard mode. videoID '+(videoID?videoID:'none')+'; ');
if (videoID==null || videoTicket==null) { // Feather Flash
var videoPlayer=null;
if (isFeather) {
videoPlayer=document.getElementById('p');
}
if (videoPlayer) {
var flashValues=videoPlayer.innerHTML;
var videoIDMatches=flashValues.match(/(?:"|\&)video_id=([^(\&|$)]+)/);
videoID=(videoIDMatches)?videoIDMatches[1]:null;
var videoTicketMatches=flashValues.match(/(?:"|\&)t=([^(\&|$)]+)/);
videoTicket=(videoTicketMatches)?videoTicketMatches[1]:null;
var videoFormatsMatches=flashValues.match(/(?:"|\&)url_encoded_fmt_stream_map=([^(\&|$)]+)/);
videoFormats=(videoFormatsMatches)?videoFormatsMatches[1]:null;
debug('DYVAM - Info: Feather Flash mode. videoID '+(videoID?videoID:'none')+'; ');
}
}
if (videoID==null || videoTicket==null) { // everything else
var bodyContent=document.body.innerHTML;
var videoIDMatches=bodyContent.match(/\"video_id\":\s*\"([^\"]+)\"/);
videoID=(videoIDMatches)?videoIDMatches[1]:null;
var videoTicketMatches=bodyContent.match(/\"t\":\s*\"([^\"]+)\"/);
videoTicket=(videoTicketMatches)?videoTicketMatches[1]:null;
var videoFormatsMatches=bodyContent.match(/\"url_encoded_fmt_stream_map\":\s*\"([^\"]+)\"/);
videoFormats=(videoFormatsMatches)?videoFormatsMatches[1]:null;
debug('DYVAM - Info: Brute mode. videoID '+(videoID?videoID:'none')+'; ');
}
debug('DYVAM - Info: url '+window.location.href+'; useragent '+window.navigator.userAgent+'; feather '+isFeather);
if (videoID==null || videoTicket==null || videoFormats==null || videoID.length==0 || videoTicket.length==0 || videoFormats.length==0) {
debug('DYVAM - Error: No config information found. YouTube must have changed the code.');
return;
}
// video title
var videoTitle=document.title || 'video';
if (isFeather) {
videoTitle=videoTitle.replace(/^YouTube\s*\-\s*/i,'');
} else {
videoTitle=videoTitle.replace(/\s*\-\s*YouTube$/i,'');
}
videoTitle=videoTitle.replace(/[#"\?:\*]/g,'').replace(/[&\|\\\/]/g,'_').replace(/'/g,'\'').replace(/^\s+|\s+$/g,'').replace(/\.+$/g,'');
// parse the formats map
var sep1='%2C', sep2='%26', sep3='%3D';
if (videoFormats.indexOf(',')>-1) {
sep1=',';
sep2=(videoFormats.indexOf('&')>-1)?'&':'\\u0026';
sep3='=';
}
var videoURL=new Array();
var videoFormatsGroup=videoFormats.split(sep1);
for (var i=0;i<videoFormatsGroup.length;i++) {
var videoFormatsElem=videoFormatsGroup[i].split(sep2);
var videoFormatsPair=new Array();
for (var j=0;j<videoFormatsElem.length;j++) {
var pair=videoFormatsElem[j].split(sep3);
if (pair.length==2) {
videoFormatsPair[pair[0]]=pair[1];
}
}
if (videoFormatsPair['url']==null) continue;
url=unescape(unescape(videoFormatsPair['url'])).replace(/\\\//g,'/').replace(/\\u0026/g,'&');
if (videoFormatsPair['itag']==null) continue;
itag=videoFormatsPair['itag'];
if (videoFormatsPair['sig']) {
url=url+'&signature='+videoFormatsPair['sig'];
} else if (videoFormatsPair['s']) {
var sig=videoFormatsPair['s'];
if (sig.length==87) {
sig=sig.substr(17,1)+sig.substr(7,10)+sig.substr(6,1)+sig.substr(18,9)+
sig.substr(0,1)+sig.substr(28,17)+sig.substr(52,1)+sig.substr(46,1)+
sig.substr(47,5)+sig.substr(2,1)+sig.substr(53,17)+sig.substr(5,1)+sig.substr(71,16);
url=url+'&signature='+sig;
} else if (sig.length==86) {
sig=sig.substr(2,15)+sig.substr(0,1)+sig.substr(18,23)+sig.substr(79,1)+
sig.substr(42,1)+sig.substr(43,36)+sig.substr(82,1)+sig.substr(80,2)+sig.substr(41,1);
url=url+'&signature='+sig;
} else if (sig.length==85) {
var sigA=sig.substr(44,40).split('').reverse().join('');
var sigB=sig.substr(3,40).split('').reverse().join('');
sig=sigA.substr(7,1)+sigA.substr(1,6)+sigA.substr(0,1)+sigA.substr(8,15)+sig.substr(0,1)+
sigA.substr(24,9)+sig.substr(1,1)+sigA.substr(34,6)+sig.substr(43,1)+sigB;
url=url+'&signature='+sig;
} else if (sig.length==84) {
var sigA=sig.substr(44,40).split('').reverse().join('');
var sigB=sig.substr(3,40).split('').reverse().join('');
sig=sigA+sig.substr(43,1)+sigB.substr(0,6)+sig.substr(2,1)+sigB.substr(7,9)+
sigB.substr(39,1)+sigB.substr(17,22)+sigB.substr(16,1);
url=url+'&signature='+sig;
} else if (sig.length==83) {
var sigA=sig.substr(43,40).split('').reverse().join('');
var sigB=sig.substr(2,40).split('').reverse().join('');
sig=sigA.substr(30,1)+sigA.substr(1,26)+sigB.substr(39,1)+
sigA.substr(28,2)+sigA.substr(0,1)+sigA.substr(31,9)+sig.substr(42,1)+
sigB.substr(0,5)+sigA.substr(27,1)+sigB.substr(6,33)+sigB.substr(5,1);
url=url+'&signature='+sig;
} else if (sig.length==82) {
var sigA=sig.substr(34,48).split('').reverse().join('');
var sigB=sig.substr(0,33).split('').reverse().join('');
sig=sigA.substr(45,1)+sigA.substr(2,12)+sigA.substr(0,1)+sigA.substr(15,26)+
sig.substr(33,1)+sigA.substr(42,1)+sigA.substr(43,1)+sigA.substr(44,1)+
sigA.substr(41,1)+sigA.substr(46,1)+sigB.substr(32,1)+sigA.substr(14,1)+
sigB.substr(0,32)+sigA.substr(47,1);
url=url+'&signature='+sig;
}
}
if (url.toLowerCase().indexOf('http')==0) { // validate URL
videoURL[itag]=url+'&title='+videoTitle;
}
}
var showFormat=new Array();
for (var category in FORMAT_RULE) {
var rule=FORMAT_RULE[category];
for (var index in FORMAT_TYPE){
if (FORMAT_TYPE[index]==category) {
showFormat[index]=(rule=='all');
}
}
if (rule=='max') {
for (var i=FORMAT_ORDER.length-1;i>=0;i--) {
var format=FORMAT_ORDER[i];
if (FORMAT_TYPE[format]==category && videoURL[format]!=undefined) {
showFormat[format]=true;
break;
}
}
}
}
var downloadCodeList=[];
for (var i=0;i<FORMAT_ORDER.length;i++) {
var format=FORMAT_ORDER[i];
if (videoURL[format]!=undefined && FORMAT_LABEL[format]!=undefined && showFormat[format]) {
downloadCodeList.push({url:videoURL[format],format:format,label:FORMAT_LABEL[format]});
debug('DYVAM - Info: itag'+format+' url:'+videoURL[format]);
}
}
if (downloadCodeList.length==0) {
debug('DYVAM - Error: No download URL found. Probably YouTube uses encrypted streams.');
return; // no format
}
// find parent container
var parentElement=document.getElementById('watch7-action-buttons');
if (parentElement==null && isFeather) {
parentElement=document.getElementById('vo');
}
if (parentElement==null) {
debug('DYVAM - No container for adding the download button. YouTube must have changed the code.');
return;
}
// get button labels
var buttonText=(BUTTON_TEXT[language])?BUTTON_TEXT[language]:BUTTON_TEXT['en'];
var buttonLabel=(BUTTON_TOOLTIP[language])?BUTTON_TOOLTIP[language]:BUTTON_TOOLTIP['en'];
if (isFeather) {
var button=document.createElement('button');
button.setAttribute('id', BUTTON_ID);
button.setAttribute('class', 'b');
button.setAttribute('style', 'margin-'+textDirection+':10px;padding:4px 6px;');
button.setAttribute('loop', '0');
var span=document.createElement('span');
button.appendChild(span);
button.appendChild(document.createTextNode(buttonText));
var flag=document.getElementById('fl');
if (flag) {
parentElement.insertBefore(button, flag);
} else {
parentElement.appendChild(button);
}
var downloadButton=document.getElementById(BUTTON_ID);
addEvent(downloadButton, 'click', downloadVideo);
return;
}
// generate download code
var mainSpan=document.createElement('span');
var spanButton=document.createElement('span');
spanButton.setAttribute('class', 'yt-uix-button-content');
spanButton.appendChild(document.createTextNode(buttonText+' '));
mainSpan.appendChild(spanButton);
var imgButton=document.createElement('img');
imgButton.setAttribute('class', 'yt-uix-button-arrow');
imgButton.setAttribute('src', '//s.ytimg.com/yt/img/pixel-vfl3z5WfW.gif');
mainSpan.appendChild(imgButton);
var listItems=document.createElement('ol');
listItems.setAttribute('style', 'display:none;');
listItems.setAttribute('class', 'yt-uix-button-menu');
for (var i=0;i<downloadCodeList.length;i++) {
var listItem=document.createElement('li');
var listLink=document.createElement('a');
listLink.setAttribute('style', 'text-decoration:none;');
listLink.setAttribute('href', downloadCodeList[i].url);
var listSpan=document.createElement('span');
listSpan.setAttribute('class', 'yt-uix-button-menu-item');
listSpan.setAttribute('loop', i+'');
listSpan.setAttribute('id', LISTITEM_ID+downloadCodeList[i].format);
listSpan.appendChild(document.createTextNode(downloadCodeList[i].label));
listLink.appendChild(listSpan);
listItem.appendChild(listLink);
listItems.appendChild(listItem);
}
mainSpan.appendChild(listItems);
var buttonElement=document.createElement('button');
buttonElement.setAttribute('id', BUTTON_ID);
buttonElement.setAttribute('class', 'yt-uix-button yt-uix-tooltip yt-uix-button-empty yt-uix-button-text');
buttonElement.setAttribute('style', 'margin-top:4px; margin-left:'+((textDirection=='left')?5:10)+'px;');
buttonElement.setAttribute('data-tooltip-text', buttonLabel);
addEvent(buttonElement, 'click', function(){return false;});
buttonElement.setAttribute('type', 'button');
buttonElement.setAttribute('role', 'button');
buttonElement.appendChild(mainSpan);
// add the button
var containerSpan=document.createElement('span');
containerSpan.setAttribute('id', CONTAINER_ID);
containerSpan.appendChild(document.createTextNode(' '));
containerSpan.appendChild(buttonElement);
parentElement.appendChild(containerSpan);
for (var i=0;i<downloadCodeList.length;i++) {
var downloadFMT=document.getElementById(LISTITEM_ID+downloadCodeList[i].format);
addEvent(downloadFMT, 'click', downloadVideo);
}
function downloadVideo(e) {
var e=e||window.event; // window.event for IE<9
var elem=e.target||e.srcElement; // e.srcElement for IE<9
e.returnValue=false;
if (e.preventDefault) {
e.preventDefault();
}
window.location.href=downloadCodeList[elem.getAttribute('loop')].url;
return false;
}
function injectCSS(code) {
var style=document.createElement('style');
style.type='text/css';
style.appendChild(document.createTextNode(code));
document.getElementsByTagName('head')[0].appendChild(style);
}
function addEvent(elem, eventName, eventFunction) {
if (elem.addEventListener) {
elem.addEventListener(eventName, eventFunction, false);
} else if (elem.attachEvent) { // IE<9
elem.attachEvent('on'+eventName, eventFunction);
}
}
function getUnsafeWindow() {
var usw=(typeof(this.unsafeWindow)=='undefined')?window:this.unsafeWindow; // Opera, Firefox, TamperMonkey
if (typeof(unsafeWindow)!='undefined' && unsafeWindow===window) { // built-in Chrome
var divElem = document.createElement('div');
divElem.setAttribute('onclick', 'return window;');
usw=divElem.onclick(); // from https://github.com/greasemonkey/greasemonkey/issues/1614
}
return usw;
}
function debug(str) {
var debugElem=document.getElementById(DEBUG_ID);
if (debugElem==null) {
debugElem=document.createElement('div');
debugElem.setAttribute('id', DEBUG_ID);
debugElem.setAttribute('style', 'display:none;');
document.body.appendChild(debugElem);
}
debugElem.appendChild(document.createTextNode(str+' '));
}
}
})();
