Tumblr Videos to HD Redirector

Automatically promotes Tumblr video links to raw HD versions

目前為 2017-08-05 提交的版本，檢視最新版本。

安裝腳本 ?

換行

// ==UserScript==
// @name         Tumblr Videos to HD Redirector
// @namespace    TumblrVideoReszr
// @description  Automatically promotes Tumblr video links to raw HD versions
// @version      0.1
// @author       Kai Krause <[email protected]>
// @match        http://*.media.tumblr.com/*
// @match        https://*.media.tumblr.com/*
// @grant        GM_xmlhttpRequest
// @connect      media.tumblr.com
// @run-at       document-start
// ==/UserScript==

// Check if this page contains a single video whose source is also the location.
var loc = location.toString();
var video = document.getElementsByTagName('video')[0];
var videoSource = video.getElementsByTagName('source')[0];
if (!video && videoSource.getAttribute('src') != loc) return;

// Do not redirect if already HD
var lowQuality = /[$_]\d*.mp4$/;
if (!loc.match(lowQuality)) return;

// Change to HD
loc = loc.replace(lowQuality, '.mp4');

// If the URL is HTTP, change it to HTTPS
if (!loc.startsWith('https://')) {
	loc = loc.replace(/^http/, 'https');
}

// Check that the HD video exists, then redirect to it
GM_xmlhttpRequest({
	url: loc,
	method: 'HEAD',
	onload: function(response) {
		if (response.status == '200') {
			window.location = loc;
		}
	}
});