Adds a link to the mp4 file of gfycat webm, redirects from detail page to actual file page
// ==UserScript==
// @name GfyCat adds link to mp4 file
// @namespace gfycataddmp4link
// @description Adds a link to the mp4 file of gfycat webm, redirects from detail page to actual file page
// @version 0.15
// @author https://greasyfork.org/scripts/32493-gfycat-redirect-to-webm-video-file forked by glub
// @match http*://*.gfycat.com/*
// @match http*://*.redgifs.com/*
// @match http*://*.gifdeliverynetwork.com/*
// @grant none
// @run-at document-idle
// ==/UserScript==
//HACK: in case we just want to redirect from this
// if(window.location.hostname.indexOf("gifdeliverynetwork.com") > 0)
// {
// window.location = window.location.href.replace(/gifdeliverynetwork.com/i, "redgifs.com/watch");
// }
//FIXME: broken code here, currently not used
function add_detail_element(url){
var detailelement = document.getElementById('block-2');
var myanchor = document.createElement("a");
if (url !== null){
let mydetail = document.createTextNode(url);
myanchor.appendChild(mydetail);
myanchor.href = url;
}
else{
let mydetail = document.createTextNode("No Source");
myanchor.appendChild(mydetail);
}
myanchor.style.backgroundColor = "black";
detailelement.appendChild(myanchor);
}
/* need to wait a few seconds otherwise gfycrap scripts overwrite us
we could also try using $(document).ready(function(){[...]}); */
function add_details(url, type, parentnode){
let newdiv = document.createElement("div");
// let mp4text = document.createTextNode("Download MP4");
// let webmtext = document.createTextNode("Download WEBM");
// newdiv.appendChild(mp4text);
// newdiv.appendChild(webmtext);
let final_link = document.createElement("a");
final_link.innerText = "Download " + type.toUpperCase() + " here.";
final_link.setAttribute('href', url);
final_link.setAttribute('class', 'value');
final_link.setAttribute('target', '_blank');
parentnode.appendChild(document.createElement("br"));
parentnode.appendChild(final_link);
// grey out visited links
var css = 'a:visited { color: #4c4c5daa }';
var style = document.createElement("style");
style.appendChild(document.createTextNode(css));
document.head.appendChild(style);
}
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
// var webmlink, mp4link;
var links = {};
// This is the function that does everything currently
function updateInfoFrom(videoPlayer) {
var children = videoPlayer.childNodes;
// console.log("DEBUG: player child nodes: ", children);
children.forEach((child) => {
console.log("Child of children:", child);
let _link;
if (child.type == "video/webm") {
links.webm = child.src;
_link = child.src;
}
if (child.type == "video/mp4") {
if (child.src.indexOf('-mobile') != -1) {
return;
}
links.mp4 = child.src;
_link = child.src;
}
});
if (!links.webm) {
// GFYCrap have removed webm and only display mp4, but webm link might still work
// so reconstruct the link from the mp4 link
// webmlink = mp4link.split('.mp4')[0].concat('.webm');
links.webm = links.mp4.split('.mp4').shift() + ".webm";
// console.log(`Rebuilt missing webm to "${links.webm}"`);
}
// console.log(`Adding links MP4: ${links.mp4}, WEBM: ${links.webm}`);
addLinks();
}
var parentnode;
function __delay__(timer) {
// https://stackoverflow.com/questions/7307983
return new Promise(resolve => {
timer = timer || 3000;
setTimeout(function () {
var gifinfo = document.getElementsByClassName('gif-info');
if (gifinfo.length === 0)
{
// try different method as a fallback for gifdeliverynetwork (redirected) pages as they have no gif-info
parentnode = document.getElementsByClassName('wrapper')[0];
}
else
{
parentnode = gifinfo[0].children[0];
}
//console.log("parentnode is: ", parentnode);
resolve();
}, timer);
});
};
// Gfycat has been redirecting to the detail page when trying to access a file page directly
// gifycat.com/gifs/detail/id
// work around that by adding a timer to redirect after 5 seconds
if (window.location.href.indexOf("gifs/detail") > 0) {
sleep(500).then(() => {
window.location = window.location.href.replace(/gifs\/detail\//,"");
});
}
// Normal video page parsing now
else
{
var videoPlayer = document.getElementsByTagName('video')[0];
if (videoPlayer) {
videoPlayer.addEventListener("change", updateInfoFrom(videoPlayer));
}
else {
console.log("DEBUG: no videoplayer found!");
// we don't have a videoplayer (yet?)
// FIXME: broken old code here, currently not used
var superAwesomeGlobalGfyJSON = document.getElementById('webmSource').src;
links.webm = document.getElementById('webmSource').src;
//webm = superAwesomeGlobalGfyJSON.webmUrl;
links.mp4 = document.getElementById('mp4Source').src;
//mp4link = superAwesomeGlobalGfyJSON.mp4Url;
//var caption = document.getElementsByTagName('figcaption')[0].innerHTML;
var source_url = superAwesomeGlobalGfyJSON.url;
if (source_url === null){
add_detail_element(source_url);
}
else if (source_url.indexOf('http') !== -1){ //found http, valid url
//console.log("source_url: ", source_url);
//var sourceurl = source_url.substr(source_url.indexOf('http')); //setting whatever is http in figcaption as sourceurl
add_detail_element(source_url);
}
else{
add_detail_element(null);
}
}
//addLinks();
}
function addLinks() {
if (Object.keys(links).length == 0) {
console.log("Didn't find any mp4 link to display!");
return;
}
Object.values(links).forEach((link, idx) => {
if (link) {
setTimeout(async function() {
while (!parentnode) { await __delay__(1000); }
add_details(link, Object.keys(links)[idx] , parentnode);
}, 1);
}
/*sleep(6000).then(() => {
// go to mp4 directly after 6 seconds (not used)
location.assign(mp4);
});*/
});
}