LinkTube

Replaces an embedded video with a link to the video page.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name		LinkTube
// @version		2017.11.23
// @description		Replaces an embedded video with a link to the video page.
// @author		sebaro
// @namespace		http://isebaro.com/linktube
// @license		GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// @icon		https://raw.githubusercontent.com/sebaro/linktube/master/linktube.png
// @include		*
// @grant		GM_xmlhttpRequest
// @grant		GM.xmlHttpRequest
// ==/UserScript==


/*

  Copyright (C) 2011 - 2017 Sebastian Luncan

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program. If not, see <http://www.gnu.org/licenses/>.

  Website: http://isebaro.com/linktube
  Contact: http://isebaro.com/contact

*/


(function() {


// ==========Variables========== //

// Userscript
var userscript = 'LinkTube';

// Contact
var contact = 'http://isebaro.com/contact';

// Warning
var warning = 'Couldn\'t get the video link. Please report it <a href="' + contact + '">here</a>.';

// Options
var option = {'secure': true};


// ==========Fixes========== //

// Don't run on frames or iframes
if (window.top != window.self)  return;


// ==========Functions========== //

function createMyElement (type, content) {
  var obj = document.createElement(type);
  if (type == 'div') {
    if (content) obj.innerHTML = content;
  }
  return obj;
}

function getMyElement (element, get, tag) {
  var obj;
  if (get == 'parent') obj = element.parentNode;
  else if (get == 'source') obj = element.src;
  else if (get == 'name') obj = element.name;
  else if (get == 'value') obj = element.value;
  else if (get == 'children') obj = element.getElementsByTagName(tag);
  return obj;
}

function modifyMyElement (obj, type, content, clear) {
  if (type == 'div') {
    if (content) obj.innerHTML = content;
  }
  if (clear) {
    if (obj.hasChildNodes()) {
      while (obj.childNodes.length >= 1) {
        obj.removeChild(obj.firstChild);
      }
    }
  }
}

function styleMyElement (obj, styles) {
  for (var property in styles) {
    if (styles.hasOwnProperty(property)) obj.style[property] = styles[property];
  }
}

function appendMyElement (parent, child) {
  if (parent == 'body') document.body.appendChild(child);
  else parent.appendChild(child);
}

function removeMyElement (parent, child) {
  if (parent == 'body') document.body.removeChild(child);
  else parent.removeChild(child);
}

function replaceMyElement (parent, orphan, child) {
  parent.replaceChild(orphan, child);
}

function YouTube (url, target) {

  var ytVideoTitle;
  var ytVideoLength;
  function ytVideoInfo(ytPageSource) {
    /* Get Video Title */
    ytVideoTitle = ytPageSource.match(/"title":"(.*?)","lengthSeconds"/);
    ytVideoTitle = (ytVideoTitle) ? ytVideoTitle[1] : null;
    if (!ytVideoTitle) {
      ytVideoTitle = ytPageSource.match(/document.title\s*=\s*"(.*?)"/);
      ytVideoTitle = (ytVideoTitle) ? ytVideoTitle[1] : null;
    }
    if (!ytVideoTitle) {
      ytVideoTitle = ytPageSource.match(/meta\s+itemprop="name"\s+content="(.*?)"/);
      ytVideoTitle = (ytVideoTitle) ? ytVideoTitle[1] : null;
    }
    if (!ytVideoTitle) {
      ytVideoTitle = ytPageSource.match(/meta\s+property="og:title"\s+content="(.*?)"/);
      ytVideoTitle = (ytVideoTitle) ? ytVideoTitle[1] : null;
    }
    if (ytVideoTitle) {
      ytVideoTitle = ytVideoTitle.replace(/&quot;/g, '\'').replace(/&#34;/g, '\'').replace(/"/g, '\'');
      ytVideoTitle = ytVideoTitle.replace(/&#39;/g, '\'').replace(/'/g, '\'');
      ytVideoTitle = ytVideoTitle.replace(/&amp;/g, 'and').replace(/&/g, 'and');
      ytVideoTitle = ytVideoTitle.replace(/\?/g, '').replace(/[#:\*]/g, '-').replace(/\//g, '-');
      ytVideoTitle = ytVideoTitle.replace(/^\s+|\s+$/, '').replace(/\.+$/g, '');
      ytVideoTitle = ytVideoTitle.replace(/^YouTube\s-\s/, '');
    }
    /* Get Video Length */
    ytVideoLength = ytPageSource.match(/"lengthSeconds":"(.*?)"/);
    ytVideoLength = (ytVideoLength) ? ytVideoLength[1] : null;
    if (ytVideoLength) {
      ytVideoLength = new Date(ytVideoLength * 1000).toISOString().substr(11, 8).replace(/00:0?/, '');
    }
    else {
      ytVideoLength = ytPageSource.match(/meta\s+itemprop="duration"\s+content="(.*?)"/);
      ytVideoLength = (ytVideoLength) ? ytVideoLength[1].replace('PT', '').replace('M', ':').replace('S', '') : null;
    }
  }
  try {
    GM.xmlHttpRequest({
      method: 'GET',
      url: url,
      onload: function(response) {
	if (response.readyState === 4 && response.status === 200) {
	  ytVideoInfo(response.responseText);
	  ytVideoList = ytVideoTitle + ' (' + ytVideoLength + ')<br>' + '<a href="' + url + '">' + url + '</a>';
	  modifyMyElement (target, 'div', ytVideoList, false);
	}
	else {
	  ytVideoList = '<a href="' + url + '">' + url + '</a>';
	  modifyMyElement (target, 'div', ytVideoList, false);
	}
      }
    });
  }
  catch(e) {
    try {
      GM_xmlhttpRequest({
	method: 'GET',
	url: url,
	onload: function(response) {
	  if (response.readyState === 4 && response.status === 200) {
	    ytVideoInfo(response.responseText);
	    ytVideoList = ytVideoTitle + ' (' + ytVideoLength + ')<br>' + '<a href="' + url + '">' + url + '</a>';
	    modifyMyElement (target, 'div', ytVideoList, false);
	  }
	  else {
	    ytVideoList = '<a href="' + url + '">' + url + '</a>';
	    modifyMyElement (target, 'div', ytVideoList, false);
	  }
	}
      });
    }
    catch(e) {
      ytVideoList = '<a href="' + url + '">' + url + '</a>';
      modifyMyElement (target, 'div', ytVideoList, false);
    }
  }
}

function embedMyLinks (element) {
  var elements;
  if (element == 'iframe') elements = iframeElements;
  else if (element == 'object') elements = objectElements;
  else if (element == 'embed') elements = embedElements;
  var child, parent, video, param, name;
  var foundSite;
  var linkID, videoID, videoLink, videoURL;
  var myScriptLogo = [];
  myScriptLogo[element] = [];
  var myScriptMess = [];
  myScriptMess[element] = [];
  var myLinkWindow = [];
  myLinkWindow[element] = [];
  for (var e = elements.length - 1; e >= 0; e--) {
    foundSite = false;
    child = elements[e];
    parent = getMyElement (child, 'parent', '');
    if (element == 'iframe' || element == 'embed') {
      video = getMyElement (child, 'source', '');
    }
    else if (element == 'object') {
      params = getMyElement (child, 'children', 'param');
      for (var p = 0; p < params.length; p++) {
	name = getMyElement (params[p], 'name', '');
	if (name == 'movie' || name == 'src') {
	  video = getMyElement (params[p], 'value', '');
	  if (!video) video = getMyElement (params[p], 'source', '');
	}
      }
    }
    if (video) {
      for (var l = 0; l < linkParsers.length; l++) {
	if (video.match(linkParsers[l]['source'])) {
	  foundSite = true;
	  linkID = l;
	  break;
	}
      }
    }
    if (foundSite) {
      myScriptLogo[element][e] = createMyElement ('div', userscript);
      styleMyElement (myScriptLogo[element][e], {margin: '0px auto', padding: '10px', color: '#FFFFFF', fontSize: '20px', textAlign: 'center', textShadow: '#000000 -1px -1px 1px'});
      myScriptMess[element][e] = createMyElement ('div', '');
      myLinkWindow[element][e] = createMyElement ('div', '');
      appendMyElement (myLinkWindow[element][e], myScriptLogo[element][e]);
      appendMyElement (myLinkWindow[element][e], myScriptMess[element][e]);
      var childStyles = child.getAttribute('style');
      if (childStyles) {
	childStyles = childStyles.replace('absolute', 'relative');
	myLinkWindow[element][e].setAttribute('style', childStyles);
	styleMyElement (myLinkWindow[element][e], {backgroundColor: '#F4F4F4'});
      }
      else styleMyElement (myLinkWindow[element][e], {width: '100%', height: '100%', backgroundColor: '#F4F4F4'});
      styleMyElement (parent, {padding: '0px', height: '100%'});
      replaceMyElement(parent, myLinkWindow[element][e], child);
      videoID = video.match(linkParsers[linkID]['pattern']);
      videoID = (videoID) ? videoID[1] : null;
      if (videoID) {
	videoURL = linkParsers[linkID]['link'] + videoID;
	if (!option['secure']) videoURL = videoURL.replace(/^https/, 'http');
	styleMyElement (myScriptMess[element][e], {border: '3px solid #F4F4F4', margin: '0px auto', padding: '10px', backgroundColor: '#FFFFFF', color: '#00C000', textAlign: 'center', fontSize: '16px'});
	if (videoURL.indexOf('youtube.com') != -1) {
	  YouTube(videoURL, myScriptMess[element][e]);
	}
	else {
	  videoLink = '<a href="' + videoURL + '">' + videoURL + '</a>';
	  modifyMyElement (myScriptMess[element][e], 'div', videoLink, false);
	}
      }
      else {
	styleMyElement (myScriptMess[element][e], {border: '3px solid #F4F4F4', margin: '0px auto', padding: '10px', backgroundColor: '#FFFFFF', color: '#AD0000', textAlign: 'center', fontSize: '16px'});
	modifyMyElement (myScriptMess[element][e], 'div', warning, false);
      }
    }
  }

}


// ==========Websites========== //

/* Parsers */
var linkParsers = [
  {'source': 'youtube(.com|-nocookie.com)/embed/(videoseries|\\?list)', 'pattern': 'list=(.*?)(&|$)', 'link': 'https://www.youtube.com/playlist?list='},
  {'source': 'youtube(.com|-nocookie.com)/embed/', 'pattern': '/embed/(.*?)(\\?|&|$)', 'link': 'https://www.youtube.com/watch?v='},
  {'source': 'youtube(.com|-nocookie.com)/v/', 'pattern': '/v/(.*?)(\\?|&|$)', 'link': 'https://www.youtube.com/watch?v='},
  {'source': 'dailymotion.com/embed/', 'pattern': '/video/(.*?)$', 'link': 'https://www.dailymotion.com/video/'},
  {'source': 'dailymotion.com/swf/(?!video)', 'pattern': '/swf/(.*?)$', 'link': 'https://www.dailymotion.com/video/'},
  {'source': 'dailymotion.com/swf/(?=video)', 'pattern': '/video/(.*?)$', 'link': 'https://www.dailymotion.com/video/'},
  {'source': 'vimeo.com/video/', 'pattern': '/video/(.*?)(\\?|&|$)', 'link': 'https://vimeo.com/'},
  {'source': 'vimeo.com/moogaloop', 'pattern': '/moogaloop.swf\\?clip_id=(.*?)(&|$)', 'link': 'https://vimeo.com/'},
  {'source': 'metacafe.com/embed/', 'pattern': '/embed/(.*?)/', 'link': 'https://www.metacafe.com/watch/'},
  {'source': 'metacafe.com/fplayer/', 'pattern': '/fplayer/(.*?)/', 'link': 'https://www.metacafe.com/watch/'},
  {'source': 'funnyordie.com/embed/', 'pattern': '/embed/(.*?)$', 'link': 'https://www.funnyordie.com/videos/'},
  {'source': 'vk.com/video', 'pattern': 'video_ext.php\\?(.*?)$', 'link': 'http://vk.com/video_ext.php?'},
  {'source': 'hostname=www.twitch.tv', 'pattern': 'channel=(.*?)(&|$)', 'link': 'http://www.twitch.tv/'}
];

/* IFrame */
var iframeElements = getMyElement (document, 'children', 'iframe');
if (iframeElements.length > 0 ) embedMyLinks ('iframe');

/* Object */
var objectElements = getMyElement (document, 'children', 'object');
if (objectElements.length > 0 ) embedMyLinks ('object');

/* Embed */
var embedElements = getMyElement (document, 'children', 'embed');
if (embedElements.length > 0 ) embedMyLinks ('embed');


})();