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steam-workshop-downloader.user.js
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steam-workshop-downloader.user.js
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// ==UserScript==
// @name Steam Workshop Downloader
// @version 2.3
// @author ArjixWasTaken
// @namespace https://github.com/ArjixWasTaken/my-userscripts
// @description Quickly download files from the steam workshop using www.steamworkshop.download
// @match *://*.steamcommunity.com/sharedfiles/filedetails/?id=*
// @match *://*.steamcommunity.com/workshop/filedetails/?id=*
// @icon http://steamworkshop.download/favicon.ico
// @require https://cdnjs.cloudflare.com/ajax/libs/jszip/3.9.1/jszip.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.0/FileSaver.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/progressbar.js/1.1.0/progressbar.min.js
// @require https://openuserjs.org/src/libs/sizzle/GM_config.js
// @grant GM.getValue
// @grant GM_getValue
// @grant GM.setValue
// @grant GM_setValue
// @grant GM_xmlhttpRequest
// @grant GM_registerMenuCommand
// @grant unsafeWindow
// @license MIT
// ==/UserScript==
unsafeWindow.GM_xmlhttpRequest = GM_xmlhttpRequest;
unsafeWindow.JSZip = JSZip;
unsafeWindow.saveAs = FileSaver.saveAs;
unsafeWindow.ProgressBar = FileSaver.ProgressBar;
// https://stackoverflow.com/a/33176845/13077523
function GM_addStyle(css) {
const style =
document.getElementById("GM_addStyleBy8626") ||
(function () {
const style = document.createElement("style");
style.type = "text/css";
style.id = "GM_addStyleBy8626";
document.head.appendChild(style);
return style;
})();
const sheet = style.sheet;
sheet.insertRule(css, (sheet.rules || sheet.cssRules || []).length);
}
//
GM_addStyle(`
.downloadIcon {
top: 0px;
left: 8px;
width: 16px;
background-position: 0px 0px;
background-repeat: no-repeat;
}`);
GM_addStyle(`
[data-inline-download-btn]::before {
content: "↓";
position: absolute;
transform: translateX(160%) translateY(15%);
-webkit-text-stroke: 3px;
}
`);
// https://boxicons.com/?query=download
const downArrowIcon = `<div class="downloadIcon"></div>`;
const downloadButtonText = `<span class="downloadBtnText">Download</span>`;
const downloadButtonHTML = `${downArrowIcon}${downloadButtonText}`;
const getDownloadIcon = () => {
const cuadrado = document.createElement("div");
cuadrado.className = "cuadrado";
const triangulo = document.createElement("div");
triangulo.className = "triangulo";
const base = document.createElement("div");
base.className = "base";
const i = document.createElement("i");
i.appendChild(cuadrado);
i.appendChild(triangulo);
i.appendChild(base);
return i;
};
GM_config.init({
id: "SteamWorkshopDownloader",
fields: {
batchZipEnabled: {
label: "Zip-up batch downloads.",
type: "checkbox",
default: false,
},
skipDownloads: {
label: "Skip downloads, instead save a file with all the download links (for batch only)",
type: "checkbox",
default: false,
},
},
});
var GLOBAL_LINK_CACHE = {};
GM_registerMenuCommand("Settings", () => {
GM_config.open();
});
GM_registerMenuCommand("Reset links cache", async () => {
await GM.setValue("GLOBAL_LINKS_CACHE", GLOBAL_LINK_CACHE);
GLOBAL_LINK_CACHE = {}
});
// stolen from: https://github.com/parshap/node-sanitize-filename/blob/master/index.js
var illegalRe = /[\/\?<>\\:\*\|"]/g;
var controlRe = /[\x00-\x1f\x80-\x9f]/g;
var reservedRe = /^\.+$/;
var windowsReservedRe = /^(con|prn|aux|nul|com[0-9]|lpt[0-9])(\..*)?$/i;
var windowsTrailingRe = /[\. ]+$/;
function sanitize(input, replacement) {
if (typeof input !== "string") {
throw new Error("Input must be string");
}
var sanitized = input
.replace(illegalRe, replacement)
.replace(controlRe, replacement)
.replace(reservedRe, replacement)
.replace(windowsReservedRe, replacement)
.replace(windowsTrailingRe, replacement);
return sanitized;
}
const sanitizeFilename = function (input, options) {
var replacement = (options && options.replacement) || "";
var output = sanitize(input, replacement);
if (replacement === "") {
return output;
}
return sanitize(output, "");
};
//
const gm_fetch = (link, options) => {
return new Promise((resolve, reject) => {
const data = {
...options,
method: options?.method || "GET",
url: link,
onload: (res) => resolve(res),
};
console.log(data);
GM_xmlhttpRequest(data);
});
};
unsafeWindow.gm_fetch = gm_fetch;
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
const getDownloadLinkForFile = async (fileId) => {
const appId = document.querySelector(`a[href*="/app/"]`).href.match(/\/app\/(\d+)/)[1];
console.log("Attempting to get the download link for", fileId);
if (GLOBAL_LINK_CACHE[fileId] != undefined) return GLOBAL_LINK_CACHE[fileId];
const steamWorkshopDownload = (await gm_fetch(`http://steamworkshop.download/download/view/${fileId}`)).response
const res = await gm_fetch("http://steamworkshop.download/online/steamonline.php", {
method: "POST",
data: `app=${appId}&item=${fileId}`,
headers: {
"Content-Type": "application/x-www-form-urlencoded",
Host: "steamworkshop.download",
Origin: "http://steamworkshop.download",
Referer: `http://steamworkshop.download/download/view/${fileId}`,
},
});
const data = res.response;
if (/href=['"].*?['"]/.test(data)) {
console.log("Found download link.");
GLOBAL_LINK_CACHE[fileId] = data.match(/href=['"](.*?)['"]/)[1];
await GM.setValue("GLOBAL_LINKS_CACHE", GLOBAL_LINK_CACHE);
return GLOBAL_LINK_CACHE[fileId];
} else if (/href=['"](.*?)['"].*?>Download/.test(steamWorkshopDownload) && /Filename:\s+.*?\.([\w\d]+)</.test(steamWorkshopDownload)) {
const uri = new URL(steamWorkshopDownload.match(/href=['"](.*?)['"].*?>Download/)[1])
if (uri.origin != "http://steamworkshop.download") {
console.log("Found download link.");
GLOBAL_LINK_CACHE[fileId] = uri.toString() + "^EXTENSION^=" + steamWorkshopDownload.match(/Filename:\s+.*?\.([\w\d]+)</)[1]
await GM.setValue("GLOBAL_LINKS_CACHE", GLOBAL_LINK_CACHE);
return GLOBAL_LINK_CACHE[fileId];
}
}
console.log("No download link found for", fileId);
};
const initiateProgressBar = () => {
let progressBar = document.querySelector("#progress-bar-container");
if (progressBar == null) {
progressBar = document.createElement("div");
progressBar.id = "progress-bar-container";
progressBar.margin = "20px";
progressBar.width = "400px";
progressBar.height = "8px";
progressBar.style.display = "none";
let detailBox = document.querySelector(`.detailBox > .game_area_purchase_margin`);
if (!detailBox) detailBox = document.querySelector(`#mainContentsCollection .detailBox:not(.workshopItemDetails)`);
detailBox.insertBefore(progressBar, detailBox.children[0]);
}
return progressBar;
};
const getStatusLabel = () => {
let statusLabel = document.querySelector("#progress-status-label");
if (statusLabel == null) {
statusLabel = document.createElement("div");
statusLabel.id = "progress-status-label";
statusLabel.style.display = "none";
let detailBox = document.querySelector(`.detailBox > .game_area_purchase_margin`);
if (!detailBox) detailBox = document.querySelector(`#mainContentsCollection .detailBox:not(.workshopItemDetails)`);
detailBox.insertBefore(statusLabel, detailBox.children[1]);
}
return statusLabel;
};
const updateStatusLabel = (status, visibility) => {
const statusLabel = getStatusLabel();
statusLabel.style.display = visibility ? "" : "none";
statusLabel.innerText = "Status: " + status;
};
const animateShake = (node) => {
return node.animate(
[
{ transform: "translate(15px)" }, // 0%
{ transform: "translate(-15px)" }, // 20%
{ transform: "translate(10px)" }, // 40%
{ transform: "translate(-10px)" }, // 60%
{ transform: "translate(5px)" }, // 80%
{ transform: "translate(0px)" }, // 100%
],
{
duration: 500, // half a second
iterations: 1, // run once
easing: "linear",
}
);
};
const injectDownloadButtons = async () => {
const collectionItems = Array.from(document.querySelectorAll(".collectionItem"));
for (const collectionItem of collectionItems) {
const fileId = collectionItem.outerHTML.match(/href=["'].*?id=(\d+)["']/)?.[1];
const title = collectionItem.querySelector(".workshopItemTitle").innerText.trim();
const subscriptionControls = collectionItem.querySelector(".subscriptionControls");
const downloadProgress = document.createElement("div");
downloadProgress.style.width = "30px";
downloadProgress.style.height = "30px";
downloadProgress.style.cursor = "pointer";
downloadProgress.style.marginTop = "100%";
downloadProgress.dataset.inlineDownloadBtn = undefined;
const bar = new ProgressBar.Circle(downloadProgress, {
color: "#FFEA82",
trailColor: "#eee",
trailWidth: 1,
duration: 2000,
easing: "bounce",
strokeWidth: 6,
from: { color: "#FFEA82", a: 0 },
to: { color: "#ED6A5A", a: 1 },
step: function (state, circle) {
circle.path.setAttribute("stroke", state.color);
},
});
downloadProgress.onclick = async () => {
await bar.animate(0.1);
let downloadLink = await getDownloadLinkForFile(fileId);
let extension = "zip"
if (downloadLink.split("^EXTENSION^=").length == 2) {
[downloadLink, extension] = downloadLink.split("^EXTENSION^=")
}
await bar.animate(0.2);
await sleep(200);
if (downloadLink == undefined) {
bar.animate(0);
await sleep(200);
animateShake(downloadProgress).onfinish = () => {
// remove the onclick event, therefore disabling the "button"
downloadProgress.onclick = () => animateShake(downloadProgress);
};
return;
}
const blob = await gm_fetch(downloadLink, {
responseType: "blob",
onprogress: ({ position, totalSize }) => bar.animate(0.2 + (position / totalSize) * 0.8),
});
saveAs(blob.response, sanitizeFilename(`${title} (${fileId}).${extension}`));
};
subscriptionControls.appendChild(downloadProgress);
}
};
const queue = (callback) => {
setTimeout(() => {
if (document.readyState === "complete") {
callback();
} else {
queue(callback);
}
}, 50);
};
queue(async () => {
GLOBAL_LINK_CACHE = await GM.getValue("GLOBAL_LINKS_CACHE", {});
injectDownloadButtons();
const downloadButton = document.createElement("span");
downloadButton.innerHTML = downloadButtonHTML;
const collection = document.querySelector(`.subscribeCollection`);
const progressBarNode = initiateProgressBar();
var bar = new ProgressBar.Line(progressBarNode, {
strokeWidth: 2,
easing: "easeInOut",
color: "#FFEA82",
trailColor: "#eee",
trailWidth: 1,
svgStyle: { width: "100%", height: "100%" },
from: { color: "#FFEA82" },
to: { color: "#ED6A5A" },
step: (state, bar) => {
bar.path.setAttribute("stroke", state.color);
},
duration: 200,
});
if (collection == null) {
// Single file download
downloadButton.className = "btn_green_white_innerfade btn_border_2px btn_medium";
downloadButton.onclick = async () => {
progressBarNode.style.display = "";
const fileId = window.location.href.match(/id=(\d+)/)[1];
updateStatusLabel("Fetching download link...", true);
let downloadLink = await getDownloadLinkForFile(fileId);
if (downloadLink == undefined) {
updateStatusLabel("Failed to find download link", true);
return;
}
let extension = "zip"
if (downloadLink.split("^EXTENSION^=").length == 2) {
[downloadLink, extension] = downloadLink.split("^EXTENSION^=")
}
updateStatusLabel("Found download link", true);
const blob = await gm_fetch(downloadLink, {
responseType: "blob",
onprogress: ({ position, totalSize }) => bar.animate(position / totalSize),
});
saveAs(blob.response, sanitizeFilename(`${document.querySelector(`.workshopItemTitle`).innerText.trim()} (${fileId}).${extension}`));
setTimeout(() => {
progressBarNode.style.display = "none";
updateStatusLabel("Idle", false);
}, 1000);
};
document.querySelector(`.game_area_purchase_game > div`).appendChild(downloadButton);
} else {
// Batch file download
downloadButton.style.alignItems = "";
downloadButton.style.justifyContent = "";
downloadButton.children[1].append(" All");
downloadButton.className = "general_btn subscribe";
collection.insertBefore(downloadButton, document.querySelector(`a.general_btn + span.general_btn.subscribe + div`));
downloadButton.onclick = async () => {
bar.set(0);
const batchZipEnabled = GM_config.get("batchZipEnabled");
const skipDownloads = GM_config.get("skipDownloads");
progressBarNode.style.display = "";
console.log("Gathering all the download links...");
const downloadLinks = [];
const fileNodes = Array.from(document.querySelectorAll(`.workshopItem > a[href*="id="]`));
updateStatusLabel(`Gathering all the download links (0/${fileNodes.length})`, true);
for (const node of fileNodes) {
const i = fileNodes.indexOf(node) + 1;
bar.set((i / fileNodes.length) * 0.3);
updateStatusLabel(`Gathering all the download links (${i}/${fileNodes.length})`, true);
await sleep(100);
const link = await getDownloadLinkForFile(node.href.match(/id=(\d+)/)[1]);
if (!link) continue;
downloadLinks.push([
node.parentNode.parentNode.querySelector(`.workshopItemTitle`).innerText.trim(),
node.href.match(/id=(\d+)/)[1],
link,
]);
}
updateStatusLabel(`Found ${downloadLinks.length} download links out of the ${fileNodes.length} files.`, true);
console.log("Done gathering all the download links!");
await sleep(200);
if (skipDownloads) {
bar.animate(0.6);
updateStatusLabel(`\`skipDownloads\` is enabled, generating the txt file...`, true);
await sleep(100);
let txt =
'# Download links for "' +
`${document.querySelector(`.workshopItemTitle`).innerText.trim()} (${window.location.href.match(/id=(\d+)/)[1]})\"\n`;
for (const item of downloadLinks) {
bar.animate(0.6 + (downloadLinks.indexOf(item) / downloadLinks.length) * 0.4);
let [title, fileId, link] = item;
let extension = "zip"
if (link.split("^EXTENSION^=").length == 2) {
[link, extension] = link.split("^EXTENSION^=")
}
txt += `${link}\n out=${sanitizeFilename(title + " (" + fileId + ")")}.${extension}\n`;
}
const blob = new Blob([txt], { type: "text/plain;charset=utf-8" });
saveAs(
blob,
sanitizeFilename(
`${document.querySelector(`.workshopItemTitle`).innerText.trim()} (${window.location.href.match(/id=(\d+)/)[1]}).txt`
)
);
setTimeout(() => {
progressBarNode.style.display = "none";
updateStatusLabel("Idle", false);
}, 1000);
return;
}
if (batchZipEnabled) {
let progressDone = 0.3;
const zip = new JSZip();
console.log("batchZip is enabled, zipping all the files...");
let i = 0;
for (let [title, fileId, link] of downloadLinks) {
i++;
updateStatusLabel(`Downloading file #${i}...`, true);
bar.set(progressDone + (i / downloadLinks.length) * 0.4);
let extension = "zip"
if (link.split("^EXTENSION^=").length == 2) {
[link, extension] = link.split("^EXTENSION^=")
}
const data = await gm_fetch(link, { responseType: "blob" });
zip.file(sanitizeFilename(`${title} - ${fileId}.${extension}`), data.response, { binary: true });
}
updateStatusLabel(`Done downloading all the files!`, true);
await sleep(200);
zip.generateAsync({ type: "blob" }, ({ percent }) => {
bar.animate(0.7 + (percent / 100) * 0.3);
updateStatusLabel(`Creating archive (${percent.toFixed(2)}%)`, true);
}).then(function (blob) {
updateStatusLabel(`Finished creation of the archive!`, true);
saveAs(
blob,
sanitizeFilename(
`${document.querySelector(`.workshopItemTitle`).innerText.trim()} (${window.location.href.match(/id=(\d+)/)[1]}).zip`
)
);
setTimeout(() => {
progressBarNode.style.display = "none";
updateStatusLabel("Idle", false);
}, 1000);
});
} else {
console.log("batchZip is disabled, downloading all the files individually...");
let i = 0;
for (let [title, fileId, link] of downloadLinks) {
i++;
updateStatusLabel(`Downloading file #${i}...`, true);
let extension = "zip"
if (link.split("^EXTENSION^=").length == 2) {
[link, extension] = link.split("^EXTENSION^=")
}
saveAs((await gm_fetch(link, { responseType: "blob" })).response, sanitizeFilename(`${title} (${fileId}).${extension}`));
bar.animate(0.3 + (i / downloadLinks.length) * 0.7);
await sleep(500);
}
setTimeout(() => {
progressBarNode.style.display = "none";
updateStatusLabel("Idle", false);
}, 1000);
}
};
}
});