Edit youtubevideo download

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sahilx10 / youtubevideo download

// ==UserScript==
// @name        youtubevideo download
// @namespace   http://googlesystem.blogspot.com
// @description  Download videos from youtube.
// @author     rockstar gold1
// @version 0.1
// @date 2015-12-15
// @include http://www.youtube.com/*
// @include https://www.youtube.com/*
// @include		http://dailymotion.com*
// @include		http://www.dailymotion.com*
// @include		https://dailymotion.com*
// @include		https://www.dailymotion.com*
// @include		http://vimeo.com*
// @include		http://www.vimeo.com*
// @include		https://vimeo.com*
// @include		https://www.vimeo.com*
// @include		http://metacafe.com*
// @include		http://www.metacafe.com*
// @include		https://metacafe.com*
// @include		https://www.metacafe.com*
// @exclude http://www.youtube.com/embed/*
// @exclude https://www.youtube.com/embed/*
// @match http://www.youtube.com/*
// @match https://www.youtube.com/*
// @match http://s.ytimg.com/yts/jsbin/html5player*
// @match https://s.ytimg.com/yts/jsbin/html5player*
// @match http://manifest.googlevideo.com/*
// @match https://manifest.googlevideo.com/*
// @match http://*.googlevideo.com/videoplayback*
// @match https://*.googlevideo.com/videoplayback*
// @match http://*.youtube.com/videoplayback*
// @match https://*.youtube.com/videoplayback*

// @grant GM_xmlhttpRequest
// @grant GM_getValue
// @grant GM_setValue
// @run-at document-end
// @license MIT License
// @icon data:image/png;base64,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
// ==/UserScript==


(function () {
  var FORMAT_LABEL={'5':'FLV 240p','18':'MP4 360p','22':'MP4 720p','34':'FLV 360p','35':'FLV 480p','37':'MP4 1080p','38':'MP4 240p','43':'WebM 360p','44':'WebM 480p','45':'WebM 720p','46':'WebM 1080p','135':'MP4 480p - no audio','137':'MP4 1080p - no audio','138':'MP4 2160p - no audio','139':'M4A 48kbps - audio','140':'M4A 128kbps - audio','141':'M4A 256kbps - audio','264':'MP4 1440p - no audio','266':'MP4 2160p - no audio','298':'MP4 720p60 - no audio','299':'MP4 1080p60 - no audio'};
  var FORMAT_TYPE={'5':'flv','18':'mp4','22':'mp4','34':'flv','35':'flv','37':'mp4','38':'mp4','43':'webm','44':'webm','45':'webm','46':'webm','135':'mp4','137':'mp4','138':'mp4','139':'m4a','140':'m4a','141':'m4a','264':'mp4','266':'mp4','298':'mp4','299':'mp4'};
  var FORMAT_ORDER=['5','18','34','43','35','135','44','22','298','45','37','299','46','264','38','266','139','140','141'];
  var FORMAT_RULE={'flv':'max','mp4':'all','webm':'none','m4a':'max'};
  // 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 SHOW_DASH_FORMATS=false;
     var BUTTON_TEXT={'Download'};
     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','hi':'वीडियो डाउनलोड करें','hu':'Videó letöltése','id':'Unduh video ini','it':'Scarica questo video','ja':'このビデオをダウンロードする','ko':'이 비디오를 내려받기','pl':'Pobierz plik wideo','pt':'Baixar este vídeo','ro':'Descărcați acest videoclip','ru':'Скачать это видео','tr': 'Bu videoyu indir','zh':'下载此视频','zh-TW':'下載此影片'};
  var myScriptAlertButton = createMyElement ('div', 'OK', 'click', 'close', myScriptAlert);
    styleMyElement (myScriptAlertButton, {width: '20px', border: '3px solid #EEEEEE', borderRadius: '5px', margin: '0px auto', backgroundColor: '#EEEEEE', color: '#666666', fontSize: '18px', textAlign: 'center', textShadow: '#FFFFFF -1px -1px 2px', cursor: 'pointer'});
    appendMyElement (myScriptAlert, myScriptAlertButton);
    appendMyElement (page.body, myScriptAlert);
  var RANDOM=7489235179; // 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 STORAGE_URL='download-youtube-script-url';
  var STORAGE_CODE='download-youtube-signature-code';
  var STORAGE_DASH='download-youtube-dash-enabled';
  var isDecodeRuleUpdated=false;  
    
  start();
          
function start() {
  var pagecontainer=document.getElementById('page-container');
  if (!pagecontainer) return;
  if (/^https?:\/\/www\.youtube.com\/watch\?/.test(window.location.href)) run();       
  var isAjax=/class[\w\s"'-=]+spf\-link/.test(pagecontainer.innerHTML);
  var logocontainer=document.getElementById('logo-container');  
  if (logocontainer && !isAjax) { // fix for blocked videos
    isAjax=(' '+logocontainer.className+' ').indexOf(' spf-link ')>=0;
  }
  var content=document.getElementById('content');
  if (isAjax && content) { // Ajax UI
      var mo=window.MutationObserver||window.WebKitMutationObserver;
      if(typeof mo!=='undefined') {
        var observer=new mo(function(mutations) {
          mutations.forEach(function(mutation) {
              if(mutation.addedNodes!==null) {
                for (var i=0; i<mutation.addedNodes.length; i++) {
                    if (mutation.addedNodes[i].id=='watch7-container' ||
                        mutation.addedNodes[i].id=='watch7-main-container') { // old value: movie_player
                      run();
                      break;
                    }
                }
              }
          });
        });
        observer.observe(content, {childList: true, subtree: true}); // old value: pagecontainer
      } else { // MutationObserver fallback for old browsers
        pagecontainer.addEventListener('DOMNodeInserted', onNodeInserted, false);
      }
  } 
}

function onNodeInserted(e) { 
    if (e && e.target && (e.target.id=='watch7-container' || 
        e.target.id=='watch7-main-container')) { // old value: movie_player
      run();
  }
}
  
function run() {
  if (document.getElementById(CONTAINER_ID)) return; // check download container
  if (document.getElementById('p') && document.getElementById('vo')) return; // Feather not supported

  var videoID, videoFormats, videoAdaptFormats, videoManifestURL, scriptURL=null;
  var isSignatureUpdatingStarted=false;
  var operaTable=new Array();
  var language=document.documentElement.getAttribute('lang');
  var textDirection='left';
  if (document.body.getAttribute('dir')=='rtl') {
    textDirection='right';
  }
  if (document.getElementById('watch7-action-buttons')) {  // old UI
    fixTranslations(language, textDirection);
  }
        
  // obtain video ID, formats map   
  
  var args=null;
  var usw=(typeof this.unsafeWindow !== 'undefined')?this.unsafeWindow:window; // Firefox, Opera<15
  if (usw.ytplayer && usw.ytplayer.config && usw.ytplayer.config.args) {
    args=usw.ytplayer.config.args;
  }
  if (args) {
    videoID=args['video_id'];
    videoFormats=args['url_encoded_fmt_stream_map'];
    videoAdaptFormats=args['adaptive_fmts'];
    videoManifestURL=args['dashmpd'];
    debug('DYVAM - Info: Standard mode. videoID '+(videoID?videoID:'none')+'; ');
  }
  if (usw.ytplayer && usw.ytplayer.config && usw.ytplayer.config.assets) {
    scriptURL=usw.ytplayer.config.assets.js;
  }  
  
  if (videoID==null) { // unsafeWindow workaround (Chrome, Opera 15+)
    var buffer=document.getElementById(DEBUG_ID+'2');
    if (buffer) {
      while (buffer.firstChild) {
        buffer.removeChild(buffer.firstChild);
      }
    } else {
      buffer=createHiddenElem('pre', DEBUG_ID+'2');
    }    
    injectScript ('if(ytplayer&&ytplayer.config&&ytplayer.config.args){document.getElementById("'+DEBUG_ID+'2").appendChild(document.createTextNode(\'"video_id":"\'+ytplayer.config.args.video_id+\'", "js":"\'+ytplayer.config.assets.js+\'", "dashmpd":"\'+ytplayer.config.args.dashmpd+\'", "url_encoded_fmt_stream_map":"\'+ytplayer.config.args.url_encoded_fmt_stream_map+\'", "adaptive_fmts":"\'+ytplayer.config.args.adaptive_fmts+\'"\'));}');
    var code=buffer.innerHTML;
    if (code) {
      videoID=findMatch(code, /\"video_id\":\s*\"([^\"]+)\"/);
      videoFormats=findMatch(code, /\"url_encoded_fmt_stream_map\":\s*\"([^\"]+)\"/);
      videoFormats=videoFormats.replace(/&amp;/g,'\\u0026');
      videoAdaptFormats=findMatch(code, /\"adaptive_fmts\":\s*\"([^\"]+)\"/);
      videoAdaptFormats=videoAdaptFormats.replace(/&amp;/g,'\\u0026');
      videoManifestURL=findMatch(code, /\"dashmpd\":\s*\"([^\"]+)\"/);
      scriptURL=findMatch(code, /\"js\":\s*\"([^\"]+)\"/);
    }
    debug('DYVAM - Info: Injection mode. videoID '+(videoID?videoID:'none')+'; ');
  }
     
  if (videoID==null) { // if all else fails
    var bodyContent=document.body.innerHTML;  
    if (bodyContent!=null) {
      videoID=findMatch(bodyContent, /\"video_id\":\s*\"([^\"]+)\"/);
      videoFormats=findMatch(bodyContent, /\"url_encoded_fmt_stream_map\":\s*\"([^\"]+)\"/);
      videoAdaptFormats=findMatch(bodyContent, /\"adaptive_fmts\":\s*\"([^\"]+)\"/);
      videoManifestURL=findMatch(bodyContent, /\"dashmpd\":\s*\"([^\"]+)\"/);
      if (scriptURL==null) {
        scriptURL=findMatch(bodyContent, /\"js\":\s*\"([^\"]+)\"/);
        if (scriptURL) {
          scriptURL=scriptURL.replace(/\\/g,'');
        }
      }      
    }
    debug('DYVAM - Info: Brute mode. videoID '+(videoID?videoID:'none')+'; ');
  }
  
  debug('DYVAM - Info: url '+window.location.href+'; useragent '+window.navigator.userAgent);  
  
  if (videoID==null || videoFormats==null || videoID.length==0 || videoFormats.length==0) {
   debug('DYVAM - Error: No config information found. YouTube must have changed the code.');
   return;
  }
  
  // Opera 12 extension message handler
  if (typeof window.opera !== 'undefined' && window.opera && typeof opera.extension !== 'undefined') {
    opera.extension.onmessage = function(event) {
      var index=findMatch(event.data.action, /xhr\-([0-9]+)\-response/);
      if (index && operaTable[parseInt(index,10)]) {
        index=parseInt(index,10);
        var trigger=(operaTable[index])['onload'];
        if (typeof trigger === 'function' && event.data.readyState == 4) {
          if (trigger) {
              trigger(event.data);         
          }
        }
      }
    }
  }
    
  if (!isDecodeRuleUpdated) {
    DECODE_RULE=getDecodeRules(DECODE_RULE);
    isDecodeRuleUpdated=true;
  }
  if (scriptURL) {
    if (scriptURL.indexOf('//')==0) {
      var protocol=(document.location.protocol=='http:')?'http:':'https:';
      scriptURL=protocol+scriptURL;
    }
    fetchSignatureScript(scriptURL);
  }
  
   // video title
   var videoTitle=document.title || 'video';
   videoTitle=videoTitle.replace(/\s*\-\s*YouTube$/i, '').replace(/'/g, '\'').replace(/^\s+|\s+$/g, '').replace(/\.+$/g, '');
   videoTitle=videoTitle.replace(/[:"\?\*]/g, '').replace(/[\|\\\/]/g, '_'); // Mac, Linux, Windows
   if (((window.navigator.userAgent || '').toLowerCase()).indexOf('windows') >= 0) {
      videoTitle=videoTitle.replace(/#/g, '').replace(/&/g, '_'); // Windows
   } else {
      videoTitle=videoTitle.replace(/#/g, '%23').replace(/&/g, '%26'); //  Mac, Linux
   }
                        
  // 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 videoSignature=new Array();
  if (videoAdaptFormats) {
    videoFormats=videoFormats+sep1+videoAdaptFormats;
  }
  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;
    var url=unescape(unescape(videoFormatsPair['url'])).replace(/\\\//g,'/').replace(/\\u0026/g,'&');
    if (videoFormatsPair['itag']==null) continue;
    var itag=videoFormatsPair['itag'];
    var sig=videoFormatsPair['sig']||videoFormatsPair['signature'];
    if (sig) {
      url=url+'&signature='+sig;
      videoSignature[itag]=null;
    } else if (videoFormatsPair['s']) {
      url=url+'&signature='+decryptSignature(videoFormatsPair['s']);
      videoSignature[itag]=videoFormatsPair['s'];
    }
    if (url.toLowerCase().indexOf('ratebypass')==-1) { // speed up download for dash
      url=url+'&ratebypass=yes';
    }
    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 dashPref=getPref(STORAGE_DASH);
  if (dashPref=='1') {
    SHOW_DASH_FORMATS=true;
  } else if (dashPref!='0') {
    setPref(STORAGE_DASH,'0');
  }
  
  var downloadCodeList=[];
  for (var i=0;i<FORMAT_ORDER.length;i++) {
    var format=FORMAT_ORDER[i];
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sahilx10 / youtubevideo download
