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Automatically redirect Tumblr video links to raw HD versions, and display a download button below videos
Ez is érdekelhet: Tumblr Images to HD Redirector
// ==UserScript==
// @name Tumblr HD Video Download Buttons
// @namespace TumblrVideoReszr
// @description Automatically redirect Tumblr video links to raw HD versions, and display a download button below videos
// @version 3.1
// @author Kai Krause <kaikrause95@gmail.com>
// @match http://*.tumblr.com/*
// @match https://*.tumblr.com/*
// @run-at document-start
// @grant GM_xmlhttpRequest
// @connect tumblr.com
// ==/UserScript==
// Typical Video URL Patterns:
// https://vt.media.tumblr.com/tumblr_ID_NUM.mp4
// https://vtt.tumblr.com/tumblr_ID_NUM.mp4
// https://vt.tumblr.com/tumblr_ID_NUM.mp4
// https://ve.tumblr.com/tumblr_ID_NUM.mp4
var loc = location.toString();
// ----------------------------------------
// DIRECT MP4 URLS
// ----------------------------------------
function redirectToHD() {
// Check that the URL is a ~.mp4
if (!loc.endsWith('.mp4')) return;
var lowQuality = /[$_]\d*.mp4$/;
// Do not redirect if already HD
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');
}
// Redirect to the HD video
location.replace(loc);
}
redirectToHD();
// ----------------------------------------
// DOWNLOAD BUTTON STYLE
// ----------------------------------------
// Create the button style
var downloadButtonStyle = document.createElement("style");
downloadButtonStyle.innerText = ".videoDownloadButtonStyle_kk{display:table !important; width:100% !important; padding:6px !important; border:2px solid #979EA8 !important; background-color:#2F3D51 !important; color: #979EA8 !important; line-height: 100% !important; font-family:'Helvetica Neue', HelveticaNeue, Helvetica, Arial, sans-serif; font-weight: 600 !important; text-align: center !important; font-style: normal !important; text-decoration: none !important} .videoDownloadButtonStyle_kk:hover{color:#F5F5F5 !important;}";
document.head.appendChild(downloadButtonStyle);
// ----------------------------------------
// HELPER FUNCTIONS
// ----------------------------------------
// Dynamic function wrapper
function dynamicScroll (f) {
window.addEventListener("scroll", (function(){
f();
}), false);
}
function fixVideoUrl(videoURL) {
videoURL = videoURL.replace(/\d+(?=\.media)/, 'vt');
videoURL = videoURL.replace(/[^_]*$/, '');
videoURL = videoURL.replace(/_$/, '.mp4');
return videoURL;
}
function createBtn(videoURL) {
// Create the button
var downloadButton = document.createElement('a');
downloadButton.innerText = 'Download This Video (HD)';
// Set and style the download button
downloadButton.setAttribute('class', 'videoDownloadButtonStyle_kk');
downloadButton.setAttribute('href', videoURL);
downloadButton.setAttribute('target', '_blank');
downloadButton.setAttribute('download', videoURL);
return downloadButton;
}
// ----------------------------------------
// DASHBOARD BUTTONS
// ----------------------------------------
function dashboardDownloadButtons() {
// Tumblr uses two class names that only differ by "-" and "_". The former used for blogs, and the latter for the dashboard.
var posts = document.getElementsByClassName('post-wrapper');
if (!posts[0]) posts = document.getElementsByClassName('post_wrapper');
if (!posts[0]) posts = document.getElementsByClassName('text-post'); // blogs...
for (var i = 0; i < posts.length; ++i) {
var videos = posts[i].getElementsByTagName('video');
if (videos[0]) {
for (var a = 0; a < videos.length; ++a) {
// if the button already exists, ignore this post
var btnCheck = posts[i].getElementsByClassName('videoDownloadButtonStyle_kk');
if (btnCheck[0]) continue;
// Generate the video URL
var videoURL;
// Check whether the video is a livePhoto
var livePhoto = videos[a].getAttribute("class");
if (livePhoto && livePhoto == "live-photo-video") {
videoURL = videos[a].src;
}
// Otherwise, use the video preview image url
else if (videos[a].poster) {
videoURL = videos[a].poster;
videoURL = fixVideoUrl(videoURL);
} else {
continue;
}
var downloadBtn = createBtn(videoURL);
var belowVideo = "";
// reblogged videos
if (!belowVideo) belowVideo = posts[i].getElementsByClassName('reblog-content')[0];
// normal videos
if (!belowVideo) belowVideo = posts[i].getElementsByClassName('post_media')[0];
if (!belowVideo) belowVideo = posts[i].getElementsByClassName('tmblr-full')[0];
if (!belowVideo) belowVideo = posts[i].getElementsByTagName('figure')[0];
/*
// This will a) not load-in because tumblr's JS overwrites it, and b) displays underneath the video player control bar somehow...
if (!belowVideo) {
var crtVideo = posts[i].getElementsByClassName('post_body')[0].getElementsByTagName("div")[0];
if (crtVideo.hasAttribute("data-crt-video")) belowVideo = crtVideo;
}*/
if (!belowVideo) belowVideo = posts[i].getElementsByClassName('post_body')[0];
belowVideo.appendChild(downloadBtn);
// consider displaying the button above videos, due to tumblr changes and the problem of displaying it below videos
//belowVideo.insertBefore(downloadButton, belowVideo.childNodes[0]);
}
}
}
}
if (location.hostname.includes("tumblr.com")) {
if (loc.endsWith('.com/') || loc.includes('tumblr.com/dashboard') || loc.includes('tumblr.com/post') || loc.includes('tumblr.com/like')
|| loc.includes('tumblr.com/search/') || loc.includes('tumblr.com/tagged')) {
window.addEventListener("DOMContentLoaded", function load() {
window.removeEventListener("DOMContentLoaded", load, false);
// For initial page load
dashboardDownloadButtons();
// For endless scrolling users
dynamicScroll(dashboardDownloadButtons);
}, false);
}
}
// ----------------------------------------
// BLOG BUTTONS
// ----------------------------------------
var eDisplay = false;
function req (videoNum, video) {
GM_xmlhttpRequest({
url: video,
headers: {
":Authority": "www.tumblr.com",
"Referer": location.href
},
method: 'GET',
onload: function(response) {
if (response.status == '200' && response.responseText) {
try {
var text = response.responseText;
var a = text.match("previews.+tumblr_.+filmstrip\.") || text.match("\/tumblr_.+frame1\.");
a[0] = a[0].replace("previews\/", "");
a[0] = a[0].replace("_r1_filmstrip", "");
a[0] = a[0].replace("_filmstrip", "");
a[0] = a[0].replace("_frame1", "");
var videoUrl = "https://vt.tumblr.com/" + a[0].toString() + "mp4";
embedBlogDownloadButtons(videoNum, videoUrl);
}
catch (e) {
if (!eDisplay) {
window.alert("There was a problem embedding video download buttons. Please report this at the below site. （動画のダウンロードボタンの埋め込みに問題が発生しました。下のサイトまで報告してください。）\n\nhttps://greasyfork.org/en/scripts/32038-tumblr-hd-video-download-buttons\n\n" + "The problem is (発生した問題は):\n" + e);
eDisplay = true;
}
console.error(e);
}
}
}
});
}
var videoCache = [];
function blogDownloadButtons() {
// Get the iframe of this post, which has the video URL
var frames = document.getElementsByTagName("iframe");
for (var i = 0; i < frames.length; i++) {
var frame = frames[i];
// Check whether this is a video
if (!frame.src.includes("/video/")) continue;
// if the button already exists, ignore this post
var frameParent = frame.parentNode;
var btnCheck = frameParent.getElementsByClassName('videoDownloadButtonStyle_kk');
if (videoCache.indexOf(frame.src) > -1 || btnCheck[0]) continue;
// Cache the current post ID
videoCache.push(frame.src);
// Get the video url via a crossDomain request from the iframe
var videoNum = i;
req(videoNum, frame.src);
}
}
function embedBlogDownloadButtons (videoNum, videoURL) {
var frames = document.getElementsByTagName("iframe");
var frame = frames[videoNum];
var frameParent = frame.parentNode;
var downloadBtn = createBtn(videoURL);
frameParent.appendChild(downloadBtn);
}
if (location.hostname.includes('tumblr.com') && location.hostname != 'tumblr.com') {
window.addEventListener("DOMContentLoaded", function load() {
window.removeEventListener("DOMContentLoaded", load, false);
// For initial page load
blogDownloadButtons();
dashboardDownloadButtons();
// For endless scrolling users
dynamicScroll(blogDownloadButtons);
dynamicScroll(dashboardDownloadButtons);
}, false);
}