Makes khinsider stop redirecting you when clicking download on a soundtrack. Also directly downloads the soundtracks instead of redirecting and includes a right click save as directly from the album's page.
// ==UserScript==
// @name Khinsider AntiRedirect
// @namespace https://downloads.khinsider.com/game-soundtracks/*
// @version 0.5
// @description Makes khinsider stop redirecting you when clicking download on a soundtrack. Also directly downloads the soundtracks instead of redirecting and includes a right click save as directly from the album's page.
// @author realcoloride
// @license MIT
// @match https://downloads.khinsider.com/game-soundtracks/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=khinsider.com
// @connect vgmdownloads.com
// @connect vgmsite.com
// @connect vgmtreasurechest.com
// @grant GM.xmlHttpRequest
// ==/UserScript==
(function() {
const FLAC_DOWNLOAD_COLOR = "#2bb7c7";
const songlist = document.getElementById('songlist');
let pass = true;
let tbody;
try {
tbody = songlist.getElementsByTagName("tbody")[0];
} catch (error) {pass = false;}
if (!pass) return;
const songElements = tbody.getElementsByTagName("tr");
const excludedElements = [
'songlist_header',
'songlist_footer'
]
function extractUrl(htmlString) {
const regex = /<audio\s+id="audio"\s+.*?\bsrc="(.*?)"/;
const match = regex.exec(htmlString);
return match ? match[1] : null;
}
function getButtonFromHref(hrefElement) {
return hrefElement.querySelector("i");
}
async function downloadFile(button, url, filename) {
setButtonToLoading(button);
function finish() {
setButtonToDownloadIcon(button);
if (button.disabled) button.disabled = false
}
GM.xmlHttpRequest({
method: 'GET',
headers: {},
url: url,
responseType: 'blob',
onload: async function(response) {
if (response.status == 403) {
alert("Download failed, please try again later or refresh the page.");
return;
}
const blob = response.response;
const link = document.createElement('a');
link.href = URL.createObjectURL(blob);
link.setAttribute('download', filename);
link.click();
URL.revokeObjectURL(link.href);
setButtonToDownloadIcon(button);
button.disabled = false;
finish();
},
onerror: function(error) {
console.error('Download Error:', error);
alert("Download failed, please try again later or refresh the page.");
finish();
}
});
}
let stylesInjected = false;
function loadCSS(css) {
const style = document.createElement('style');
style.innerHTML = css;
document.head.appendChild(style);
}
function injectStyles() {
if (stylesInjected) return;
stylesInjected = true;
loadCSS(`
@keyframes rotating {
from { transform: rotate(0deg); }
to { transform: rotate(-360deg); }
}`);
}
function setButtonToLoading(button) {
button.innerText = "loop";
button.setAttribute("style", "animation: 2s linear infinite rotating");
}
function setButtonToDownloadIcon(button) {
button.innerText = "get_app";
button.setAttribute("style", "");
}
async function doesSongUrlExist(url) {
try {
return (await GM.xmlHttpRequest({method: "GET", url})).status == 200;
} catch (error) {
return false;
}
}
function inject(trackElement) {
const playlistDownloadSong = trackElement.getElementsByClassName('playlistDownloadSong')[0];
const hrefElement = playlistDownloadSong.getElementsByTagName('a')[0];
setButtonToLoading(getButtonFromHref(hrefElement));
playlistDownloadSong.style = "display: flex";
const songLink = hrefElement.href;
// dispatch click event
hrefElement.removeAttribute('href');
hrefElement.style.cursor = 'pointer';
hrefElement.setAttribute('alt', 'Download track (MP3)');
hrefElement.setAttribute('title', 'Download track (MP3)');
const xhr = new XMLHttpRequest();
xhr.open("GET", songLink);
xhr.send();
xhr.responseType = "text";
function prepareHrefElement(url) {
const newHrefElement = hrefElement.cloneNode(true);
setButtonToDownloadIcon(getButtonFromHref(newHrefElement));
newHrefElement.setAttribute('href', url);
newHrefElement.setAttribute('download', '');
newHrefElement.addEventListener('click', async function(event) {
event.preventDefault();
const filename = decodeURIComponent(url.substring(url.lastIndexOf('/')+1).replace(/%20/g, " "));
await downloadFile(getButtonFromHref(newHrefElement), url, filename);
});
playlistDownloadSong.appendChild(newHrefElement);
return newHrefElement;
}
async function finish(url) {
prepareHrefElement(url);
const flacUrl = url.replace(/\.mp3$/, ".flac");
if (!await doesSongUrlExist(flacUrl)) return;
const flacHrefElement = prepareHrefElement(flacUrl);
flacHrefElement.setAttribute('alt', 'Download track (FLAC)');
flacHrefElement.setAttribute('title', 'Download track (FLAC)');
getButtonFromHref(flacHrefElement).style = `color:${FLAC_DOWNLOAD_COLOR}`;
}
xhr.onload = async () => {
if (xhr.readyState == 4 && xhr.status == 200) {
const body = xhr.response;
const url = extractUrl(body);
finish(url);
hrefElement.remove();
} else console.log('Something errored with the request');
}
}
injectStyles();
for (let i = 0; i < songElements.length; i++) {
const trackElement = songElements[i];
let passing = true;
for (let j = 0; j < excludedElements.length; j++) {
if (excludedElements[j] == trackElement.id)
passing = false;
}
if (passing) inject(trackElement);
}
})();