GfyCat adds link to mp4 file

Adds a link to the mp4 file of gfycat webm, redirects from detail page to actual file page

Από την 26/08/2019. Δείτε την τελευταία έκδοση.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

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.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==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      0.10
// @author       https://greasyfork.org/scripts/32493-gfycat-redirect-to-webm-video-file forked by glub
// @match        http://gfycat.com/*
// @match        https://gfycat.com/*
// @grant        none
// @run-at       document-end
// ==/UserScript==

//FIXME: broken code here
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);
}

var parentnode;

function __delay__(timer) {
// https://stackoverflow.com/questions/7307983
	return new Promise(resolve => {
        timer = timer || 3000;
        setTimeout(function () {
			parentnode = document.getElementsByClassName('gif-info')[0].children[0];
			console.log("parentnode is: ", parentnode);
            resolve();
        }, timer);
    });
};

/* need to wait a few seconds otherwise gfycrap scripts overwrite us
   we could also try using $(document).ready(function(){[...]}); */
function add_details(url){
	let newdiv = document.createElement("div");
	// let mp4text = document.createTextNode("Download MP4");
	// let webmtext = document.createTextNode("Download WEBM");
	// newdiv.appendChild(mp4text);
	// newdiv.appendChild(webmtext);
	let mp4lnk = document.createElement("a");
	let webmlnk = document.createElement("a");
	mp4lnk.innerText = "Download MP4 here.";
	webmlnk.innerText = "Download WEBM here.";
	mp4lnk.setAttribute('href', mp4link);
	mp4lnk.setAttribute('class', 'value');
	mp4lnk.setAttribute('target', '_blank');
	webmlnk.setAttribute('href', webmlink);
	webmlnk.setAttribute('target', '_blank');
	webmlnk.setAttribute('class', 'value');
	parentnode.appendChild(document.createElement("br"));
	parentnode.appendChild(mp4lnk);
	parentnode.appendChild(document.createElement("br"));
	parentnode.appendChild(webmlnk);

	// 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;
function main(){
	// 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(5000).then(() => {
			window.location = window.location.href.replace(/gifs\/detail\//,"");
		});
	}
	// Normal video page parsing now
	else
	{
		var videoPlayer = document.getElementsByTagName('video')[0];
		if (videoPlayer) {
			var children = videoPlayer.childNodes;
			for (var i = 0; i < children.length; ++i) {
				if (children[i].type == "video/webm") {
					webmlink = children[i].src;
				}
				if (children[i].type == "video/mp4"){
					if (children[i].src.indexOf('-mobile') != -1){ continue; }
					mp4link = children[i].src;
				}
			}
		}
		else {
			// we don't have a videoplayer (yet?)
			// FIXME: broken old code here
			var superAwesomeGlobalGfyJSON = document.getElementById('webmSource').src;
			webmlink = document.getElementById('webmSource').src;
			//webm = superAwesomeGlobalGfyJSON.webmUrl;
			mp4link = 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);
			}
		}

		if (mp4link) {
			setTimeout(async function(){
				while (!parentnode) { await __delay__(1000); }
				add_details(mp4link);
			}, 1);
		}
		else { console.log("Didn't find any mp4 link to display!"); };
		/*sleep(6000).then(() => {
	// go to mp4 directly after 6 seconds (not used)
	location.assign(mp4);
	});*/
	}
}
main();