LinkTube

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

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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');


})();