Automatically clicks the 'Like' button
// ==UserScript==
// @name YouTube Auto-Like Videos [fixed]
// @namespace http://userscripts.org/users/23652
// @description Automatically clicks the 'Like' button
// @include http://*.youtube.com/watch*v=*
// @include http://youtube.com/watch*v=*
// @include https://*.youtube.com/watch*v=*
// @include https://youtube.com/watch*v=*
// @copyright JoeSimmons
// @version 1.1.03
// @license GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
// @require https://greasyfork.org/scripts/1884-gm-config/code/GM_config.js?version=4836
// @require https://greasyfork.org/scripts/1885-joesimmons-library/code/JoeSimmons'%20Library.js?version=7915
// @require https://greasyfork.org/scripts/2104-youtube-button-container-require/code/YouTube%20-%20Button%20Container%20(@require).js?version=5493
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_registerMenuCommand
// ==/UserScript==
/* CHANGELOG
1.1.03 (7/17/2016)
- fixed script
1.1.02 (6/7/2015)
- fixed script
1.1.01 (3/14/2015)
- fixed bug of it liking all videos when username list was empty
1.1.0 (3/13/2015)
- added a new option to allow auto-liking of videos from subscribed channels
1.0.40 (3/12/2015)
- adapted to YouTube changing like/dislike buttons' classes
1.0.39 (1/26/2015)
- changed the timeout of the script so it waits a real 30 seconds, not X amout of intervals
should be more accurate, especially on weaker computers whose browsers freeze and the intervals overlap
1.0.38 (1/19/2015)
- adapted to page change (different class name of author link)
1.0.37 (9/8/2014)
- adapted to new YouTube style
- fixed an issue with channel names with punctuation in them not getting "liked"
1.0.36 (12/17/2013)
- added a user-script command for the options
1.0.35 (12/14/2013)
- started using YouTube Button Container
- made code more readable by using JSL and @requires
1.0.34
- added compatibility for Opera & Chrome
*/
(function () {
'use strict';
var t = 0, tMax = 30,
spaceRegex = /([ \t]+)|(\n[ \r\n\r]+\n)/g,
newlineRegex = /\n/g,
uRegex = /\/user\/(\w+)/i,
spaces = /\s+/g,
rBlank = /^\s*$/,
rVideoId = /[&?]v=([a-zA-Z0-9-_]+)/,
rSubscribed = /^true$/i,
rUnclicked = /like-button-renderer-(dis)?like-button-unclicked/,
intv, pass, auto_like_list, timeStart, likeSubscribedChannels;
// click by JoeSimmons
function click(element, type) {
var eventObject = document.createEvent('MouseEvents');
element = typeof element === 'string' ? document.getElementById(element) : element;
type = typeof type === 'string' ? type : 'click';
if (element.isJSL === true) {
element = element[0];
}
if (element) {
eventObject.initMouseEvent(type, true, true, document.window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
element.dispatchEvent(eventObject);
}
}
function waitForShare() {
var shareBox = JSL('#watch-action-panels'),
shareCloseButton = JSL('#action-panel-dismiss');
// close the Share box after it appears
if (shareBox.visible) {
window.setTimeout(click, 750, shareCloseButton);
} else {
window.setTimeout(waitForShare, 250);
}
}
function isPressed(e) {
return e.attribute('class').match(rUnclicked) === null;
}
function doLike() {
var author = JSL('#watch7-user-header .yt-user-info a.g-hovercard'),
like = JSL('#watch8-sentiment-actions button.like-button-renderer-like-button'),
dislike = JSL('#watch8-sentiment-actions button.like-button-renderer-dislike-button'),
subBox = JSL('#watch7-subscription-container span .yt-uix-subscription-button'),
authorHref = '',
authorText = '',
usernameHref = '',
usernameText = '';
// quit trying to auto-like after 15 seconds
if ( (Date.now() - timeStart) > 15000) {
JSL.clearInterval(intv);
// throw new Error('Warning: 30 seconds elapsed; failed to auto-like video id: ' + window.location.href.match(rVideoId)[1] );
}
// check if author link, like button, or sub box don't exist
if (!author.exists || !like.exists || !subBox.exists) {
throw new Error('Error: Either the Author link, Like button, or Sub Box does not exist.');
}
// grab the author text and href
authorText = author.text();
authorHref = author.prop('href');
// figure out the username of the video author
if ( authorHref.match(uRegex) ) {
usernameHref = authorHref.match(uRegex)[1];
}
usernameText = authorText.replace(spaces, '');
// try to click like
if ( GM_config.get('auto') === true || ( auto_like_list.match(rBlank) === null && ( usernameHref.match(pass) || usernameText.match(pass) ) ) ||
(likeSubscribedChannels === true && subBox.attribute('data-is-subscribed').match(rSubscribed) ) ) {
if ( !isPressed(like) && !isPressed(dislike) ) {
window.setTimeout(click, 750, like);
JSL.clearInterval(intv);
// if enabled, close the "share" box that appears after liking a video
if (GM_config.get('closeShare') === true) {
window.setTimeout(waitForShare, 3500);
}
}
}
}
// make sure the page is not in a frame
if (window.frameElement || window !== window.top) { return; }
if (typeof GM_registerMenuCommand === 'function') {
GM_registerMenuCommand('YouTube Auto-Like Options', GM_config.open);
}
GM_config.init('YouTube Auto-Like Options', {
auto : {
section : ['Main Options'],
label : 'Auto-like ALL videos?',
type : 'checkbox',
'default' : true,
title : 'Enabling this will make you "Like" all videos'
},
closeShare : {
label : 'Auto-close Share Box After Liking',
type : 'checkbox',
'default' : false,
title : 'Enabling this will close the Share box after the video gets "Liked"'
},
likeSubscribedChannels : {
label : 'Auto-like Videos From Subscribed Channels',
type : 'checkbox',
'default' : false,
title : 'If a video was uploaded by a channel you\'re subscribed to, it will like it'
},
list : {
section : ['Specific Usernames'],
label : 'List the usernames of the users\' videos you want to auto-like.',
type : 'textarea',
cols : 80,
rows : 20,
'default' : 'Write usernames here separated by lines',
title : 'This feature will be enabled if the previous feature is disabled.'
}
});
Object.defineProperty(String.prototype, 'prepareRegex', {
enumerable : false,
value : function () {
return this.replace(/[*^&$.()?+{}|\[\]\/\\]/g, '\\$&');
}
});
auto_like_list = GM_config.get('list');
likeSubscribedChannels = GM_config.get('likeSubscribedChannels');
// convert the list of channel names to a regular expression
pass = new RegExp('(' + auto_like_list.trim().replace(spaceRegex, '').prepareRegex().replace(newlineRegex, '|') + ')', 'i');
// Run a function when the page is fully loaded
JSL.runAt('end', function() {
addButtonToContainer('Auto-Like Options', GM_config.open);
// try to 'like' the video for 30 seconds max
window.setTimeout(function () {
timeStart = Date.now();
intv = JSL.setInterval(function () {
doLike();
}, 750);
}, 1000);
});
}());