// ==UserScript==
// @name        khinsider mass downloader
// @description mass downloader for downloads.khinsider.com
// @version     1.1.1
// @namespace   https://venipa.net/
// @license     GPL-3.0
// @author      Venipa <[email protected]>
// @icon        https://www.google.com/s2/favicons?sz=64&domain=downloads.khinsider.com
// @match       https://*.khinsider.com/game-soundtracks/*
// @grant       GM_xmlhttpRequest
// @grant       unsafeWindow
// @run-at      document-end
// @require     https://cdn.jsdelivr.net/npm/[email protected]/dist/jszip.min.js
// @require     https://cdn.jsdelivr.net/npm/[email protected]/dist/FileSaver.min.js
// @connect     vgmsite.com
// @connect     vgmtreasurechest.com
// ==/UserScript==
(function() {
"use strict";
((e) => {
if (["interactive", "complete"].indexOf(document.readyState) > -1)
e();
else {
let t = !1;
document.addEventListener("DOMContentLoaded", () => {
t || (t = !0, setTimeout(e, 1));
});
}
})(function() {
function sanitizeFilename(input, options) {
var illegalRe = /[\/\?<>\\:\*\|":]/g, controlRe = /[\x00-\x1f\x80-\x9f]/g, reservedRe = /^\.+$/, windowsReservedRe = /^(con|prn|aux|nul|com[0-9]|lpt[0-9])(\..*)?$/i;
function sanitize(input2, replacement) {
var sanitized = input2.replace(illegalRe, replacement).replace(controlRe, replacement).replace(reservedRe, replacement).replace(windowsReservedRe, replacement);
return sanitized.split("").splice(0, 255).join("");
}
return function(input2, options2) {
var replacement = options2 && options2.replacement || "", output = sanitize(input2, replacement);
return replacement === "" ? output : sanitize(output, "");
}(input, options);
}
const downloadStatus = {
running: !1,
skip: !1
}, queue = [];
console.log("loaded mass downloader");
var btns = document.querySelector('p[align="left"]');
const TEXTS = {
/**
*
* @param {string} type
*/
DOWNLOAD(type) {
return "Download Album (" + type + ")";
},
LOADING: "LOADING...",
/**
*
* @param {number} value
* @param {number} max
* @param {string} type
*/
PREPARE(max, type) {
return "Preparing audio downloads... (Audio Files: " + max + ") (" + type + ")";
},
/**
*
* @param {number} value
* @param {number} max
* @param {string} type
*/
PROGRESS_ITEM(value, max, type) {
const maxLength = max.toString().length;
return "Fetching... (" + value.toString().padStart(maxLength) + " / " + max + ") (" + type + ")";
},
ARCHIVE_START(value, type) {
return "Compressing... " + value + " (" + type + ")";
}
}, dlButton = function(type) {
var el = document.createElement("button");
return "btn khinsider-massdl".split(" ").forEach((cl) => el.classList.add(cl)), el.innerText = TEXTS.DOWNLOAD(type || "default"), el.dataset.type = type, el;
}, dlCheck = function() {
var el = document.createElement("input"), elContainer = document.createElement("label");
"khinsider-massdl khinsider-massdl-compress-check".split(" ").forEach((cl) => el.classList.add(cl)), el.id = "khmdl-compress-check", el.type = "checkbox", elContainer.setAttribute("for", `#${el.id}`);
var label = document.createElement("span");
return label.innerText = "Compress items to zip", elContainer.appendChild(el), elContainer.appendChild(label), { id: el.id, checkbox: el, container: elContainer };
}, checkFlac = () => Array.from(document.querySelectorAll("#songlist_header th>b")).findIndex(
(x) => x.innerText.trim() === "FLAC"
) !== -1, spacerEl = function(x, y) {
var el = document.createElement("div");
return el.style.width = (x || 0) + "px", el.style.height = (y || 0) + "px", el.style.display = "inline-block", el;
}, mp3DL = dlButton("mp3"), flacDL = dlButton("flac"), compressCheck = dlCheck(), hasFlac = checkFlac(), setDisabledState = function(state) {
mp3DL.disabled = state, hasFlac && (flacDL.disabled = state);
}, get = (url, responseType = "json", retry = 3, ext = ".mp3") => new Promise((resolve, reject) => {
try {
GM_xmlhttpRequest({
method: "GET",
url,
responseType,
onerror: (e) => {
retry === 0 ? reject(e) : (console.warn("Network error, retry."), e.status == 415 && (url = url.slice(0, url.lastIndexOf(".")) + ext), setTimeout(() => {
resolve(get(url, responseType, retry - 1));
}, 1e3));
},
onload: ({ status, response }) => {
[200, 206].includes(status) ? resolve(response) : status === 415 ? setTimeout(() => {
resolve(
get(
url.slice(0, url.lastIndexOf(".")) + ext,
responseType,
retry - 1
)
);
}, 500) : retry === 0 ? reject(`${status} ${url}`) : (console.warn(status, url), setTimeout(() => {
resolve(get(url, responseType, retry - 1));
}, 500));
}
});
} catch (error) {
reject(error);
}
}), requestPage = (url) => new Promise((resolve, reject) => {
try {
GM_xmlhttpRequest({
method: "GET",
url,
responseType: "text",
onerror: reject,
onload: ({ status, response, error }) => {
status === 200 && resolve(response), reject(error);
}
});
} catch (error) {
reject(error);
}
}), startQueue = async (typeOfDL, compress) => {
if (!downloadStatus.running && queue.length > 0) {
const dl = typeOfDL === "flac" ? flacDL : mp3DL, zip = compress && new JSZip() || null;
let i = 0, l = queue.length;
downloadStatus.running = !0, dl.innerText = TEXTS.PREPARE(l, typeOfDL);
do {
const { url: meta, data } = await queue[0](), { url, title } = meta;
if (!data || data.size <= 0) {
queue.shift(), dl.innerText = TEXTS.PROGRESS_ITEM(++i, l, typeOfDL);
continue;
}
let fname = url.split("/").reverse()[0];
fname = fname.slice(0, fname.lastIndexOf("."));
let fext = typeOfDL === "flac" ? "flac" : "mp3";
data.type === "audio/mpeg" && (fext = "mp3"), compress ? zip.file(
sanitizeFilename(title).replace(/\.(mp3|flac)$/g, "") + "." + fext,
data
) : saveAs(
data,
sanitizeFilename(title).replace(/\.(mp3|flac)$/g, "") + "." + fext
), queue.shift(), dl.innerText = TEXTS.PROGRESS_ITEM(++i, l, typeOfDL);
} while (queue.length > 0);
if (downloadStatus.running = !1, compress)
return dl.innerText = TEXTS.ARCHIVE_START("0%", typeOfDL), await zip.generateAsync({ type: "blob" }, (progress) => {
dl.innerText = TEXTS.ARCHIVE_START(
progress.percent.toFixed(2) + "%",
typeOfDL
);
}).catch((err) => (console.error("failed to generate zip", err), Promise.reject(err)));
}
return null;
}, onClick = function(ev) {
if (ev.preventDefault(), ev.target.disabled)
return;
ev.target.disabled = !0, setDisabledState(!0);
const typeOfDL = ev.target.dataset.type, typeOfExt = typeOfDL === "flac" ? ".flac" : typeOfDL === "mp3" ? ".mp3" : "null", header = Array.from(
document.querySelectorAll("#songlist #songlist_header > th")
), hasCD = !!header.find(
(x) => x.innerText && x.innerText.trim() === "CD"
), hasNumber = !!header.find(
(x) => x.innerText && x.innerText.trim() === "#"
), compressToZip = compressCheck.checkbox.checked, urls = Array.from(
document.querySelectorAll("#songlist #songlist_header ~ tr")
).filter((x) => x.querySelectorAll("td.clickable-row a").length > 0).map((x) => {
const fields = x.querySelectorAll("td");
let title = x.querySelectorAll("td.clickable-row a")[0].innerText, url = x.querySelector(".playlistDownloadSong a").href, meta = {
CD: hasCD ? fields[1].innerText : null,
PIECE: hasCD ? fields[2].innerText : hasNumber ? fields[1].innerText : null
};
return title = title.replace(/\.(mp3|flac)$/g, ""), {
title: (meta.CD ? meta.CD + "-" : "") + (meta.PIECE ? meta.PIECE.trim().match(/(\d+)/i)[0] + " " : "") + title + typeOfExt,
ext: typeOfExt,
url
};
});
if (urls.length === 0) {
ev.target.disabled = !1, setDisabledState(!1);
return;
}
const pageName = document.querySelector("#pageContent>h2").innerText;
queue.push(
...urls.map((x) => async () => {
try {
return {
url: x,
data: await requestPage(x.url).then((page) => {
const container = document.implementation.createHTMLDocument().documentElement;
container.style.display = "none", container.innerHTML = page;
const fileUrl = Array.from(
container.querySelectorAll(".songDownloadLink")
).map(
(s) => s.parentElement
).find((d) => d.href.endsWith(x.ext)).href;
return get(fileUrl, "blob", 2, x.ext);
}).catch((err) => (console.error(err), null))
};
} catch (ex) {
return console.error(ex), { url: x, data: null };
}
})
), startQueue(typeOfDL, compressToZip).then((data) => {
ev.target.disabled = !1, setDisabledState(!1), data && saveAs(data, pageName + ` (${String(typeOfDL).toUpperCase()}).zip`), ev.target.innerText = TEXTS.DOWNLOAD(typeOfDL);
});
};
mp3DL.onclick = onClick, compressCheck.checkbox.checked = compressCheck.checkbox.value = !0, hasFlac && (flacDL.onclick = onClick), btns && (btns.appendChild(mp3DL), hasFlac && (btns.appendChild(spacerEl(8, 0)), btns.appendChild(flacDL)), btns.appendChild(spacerEl(8, 0)), btns.appendChild(compressCheck.container)), unsafeWindow.onbeforeunload = (ev) => downloadStatus.running ? "khinsider downloader is still running, do you still want to cancel?" : mp3DL.disabled ? "khinsider downloader is currently compressing, do you still want to cancel?" : null;
});
})();