Download Steam Workshop items using GGNetwork API
// ==UserScript==
// @name Steam Workshop Downloader (GGNetwork)
// @namespace http://tampermonkey.net/
// @version 5.0
// @description Download Steam Workshop items using GGNetwork API
// @author Cerulean
// @match https://steamcommunity.com/sharedfiles/filedetails/*
// @match https://steamcommunity.com/workshop/filedetails/*
// @grant GM_xmlhttpRequest
// @connect api.ggntw.com
// @connect cdn.ggntw.com
// @connect ggntw.com
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Extract Workshop ID from URL
function getWorkshopId() {
const urlParams = new URLSearchParams(window.location.search);
return urlParams.get('id');
}
// Get current page URL
function getCurrentUrl() {
return window.location.href;
}
// Create download button
function createDownloadButton() {
const workshopId = getWorkshopId();
if (!workshopId) return;
// Create button container
const btnContainer = document.createElement('div');
btnContainer.style.cssText = 'margin: 10px 0; padding: 10px; background: #1b2838; border-radius: 4px;';
// Create button row container
const buttonRow = document.createElement('div');
buttonRow.style.cssText = 'display: flex; gap: 10px; flex-wrap: wrap;';
// Create download button
const downloadBtn = document.createElement('button');
downloadBtn.textContent = '📥 Download via GGNetwork';
downloadBtn.style.cssText = `
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border: none;
padding: 12px 24px;
font-size: 14px;
font-weight: bold;
border-radius: 4px;
cursor: pointer;
transition: all 0.3s ease;
box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
`;
downloadBtn.onmouseover = () => {
downloadBtn.style.transform = 'translateY(-2px)';
downloadBtn.style.boxShadow = '0 6px 20px rgba(102, 126, 234, 0.6)';
};
downloadBtn.onmouseout = () => {
downloadBtn.style.transform = 'translateY(0)';
downloadBtn.style.boxShadow = '0 4px 15px rgba(102, 126, 234, 0.4)';
};
// Create copy link button
const copyBtn = document.createElement('button');
copyBtn.textContent = '📋 Copy Download Link';
copyBtn.style.cssText = `
background: #2a475e;
color: white;
border: none;
padding: 12px 24px;
font-size: 14px;
font-weight: bold;
border-radius: 4px;
cursor: pointer;
transition: all 0.3s ease;
`;
copyBtn.onmouseover = () => {
copyBtn.style.background = '#3a5768';
};
copyBtn.onmouseout = () => {
copyBtn.style.background = '#2a475e';
};
// Status message element
const statusMsg = document.createElement('div');
statusMsg.style.cssText = 'margin-top: 10px; font-size: 13px; color: #c7d5e0;';
// Store download URL globally for copy button
let currentDownloadUrl = null;
// Download button click handler
downloadBtn.onclick = () => {
downloadWorkshopItem(workshopId, statusMsg, downloadBtn, copyBtn, (url) => {
currentDownloadUrl = url;
});
};
// Copy button click handler - gets link without downloading
copyBtn.onclick = () => {
getDownloadLink(workshopId, statusMsg, copyBtn, (url) => {
currentDownloadUrl = url;
navigator.clipboard.writeText(url).then(() => {
statusMsg.textContent = '✅ Download link copied! Paste in IDM quickly - it will expire soon!';
statusMsg.style.color = '#90ee90';
}).catch(() => {
statusMsg.textContent = '❌ Failed to copy. Link: ' + url;
statusMsg.style.color = '#ff6b6b';
});
});
};
buttonRow.appendChild(downloadBtn);
buttonRow.appendChild(copyBtn);
btnContainer.appendChild(buttonRow);
btnContainer.appendChild(statusMsg);
// Find a good place to insert the button
const detailsBlock = document.querySelector('.workshopItemDetailsHeader') ||
document.querySelector('.workshopItemDetails') ||
document.querySelector('.rightDetailsBlock');
if (detailsBlock) {
detailsBlock.parentNode.insertBefore(btnContainer, detailsBlock.nextSibling);
}
}
// Get download link without starting download
function getDownloadLink(workshopId, statusElement, button, onUrlReceived) {
statusElement.textContent = '⏳ Getting download link...';
statusElement.style.color = '#ffa500';
button.disabled = true;
button.style.opacity = '0.6';
button.style.cursor = 'not-allowed';
const workshopUrl = getCurrentUrl();
const apiUrl = 'https://api.ggntw.com/steam.request';
GM_xmlhttpRequest({
method: 'POST',
url: apiUrl,
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json, text/plain, */*',
'Origin': 'https://ggntw.com',
'Referer': 'https://ggntw.com/'
},
data: JSON.stringify({
url: workshopUrl
}),
timeout: 60000,
onload: function(response) {
button.disabled = false;
button.style.opacity = '1';
button.style.cursor = 'pointer';
if (response.status === 200) {
try {
const data = JSON.parse(response.responseText);
let downloadUrl = data.download_url || data.url || data.link || data.file || data.download;
if (!downloadUrl && data.data) {
downloadUrl = data.data.download_url || data.data.url || data.data.link || data.data.file;
}
if (downloadUrl) {
onUrlReceived(downloadUrl);
} else {
statusElement.textContent = '❌ No download URL found';
statusElement.style.color = '#ff6b6b';
}
} catch (e) {
statusElement.textContent = '❌ Failed to get link';
statusElement.style.color = '#ff6b6b';
}
} else {
statusElement.textContent = `❌ API error: ${response.status}`;
statusElement.style.color = '#ff6b6b';
}
},
onerror: function() {
button.disabled = false;
button.style.opacity = '1';
button.style.cursor = 'pointer';
statusElement.textContent = '❌ Network error';
statusElement.style.color = '#ff6b6b';
}
});
}
// Download workshop item using GGNetwork API
function downloadWorkshopItem(workshopId, statusElement, button, copyButton, onUrlReceived) {
statusElement.textContent = '⏳ Requesting download from GGNetwork...';
statusElement.style.color = '#ffa500';
button.disabled = true;
button.style.opacity = '0.6';
button.style.cursor = 'not-allowed';
const workshopUrl = getCurrentUrl();
const apiUrl = 'https://api.ggntw.com/steam.request';
GM_xmlhttpRequest({
method: 'POST',
url: apiUrl,
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json, text/plain, */*',
'Origin': 'https://ggntw.com',
'Referer': 'https://ggntw.com/'
},
data: JSON.stringify({
url: workshopUrl
}),
timeout: 60000,
onload: function(response) {
button.disabled = false;
button.style.opacity = '1';
button.style.cursor = 'pointer';
console.log('API Response:', response.responseText);
if (response.status === 200) {
try {
const data = JSON.parse(response.responseText);
console.log('Parsed data:', data);
// Extract download URL from various possible response formats
let downloadUrl = data.download_url || data.url || data.link || data.file || data.download;
// Check if it's nested in a data object
if (!downloadUrl && data.data) {
downloadUrl = data.data.download_url || data.data.url || data.data.link || data.data.file;
}
if (downloadUrl) {
// Store URL for copy button
onUrlReceived(downloadUrl);
statusElement.textContent = '✅ Starting download...';
statusElement.style.color = '#90ee90';
// Create a hidden anchor element and trigger download
const a = document.createElement('a');
a.href = downloadUrl;
a.download = '';
a.style.display = 'none';
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
setTimeout(() => {
statusElement.textContent = '✅ Download started! Use "Copy Link" button for IDM.';
}, 1000);
} else {
statusElement.textContent = '❌ No download URL in response. Check console for details.';
statusElement.style.color = '#ff6b6b';
}
} catch (e) {
statusElement.textContent = '❌ Failed to parse API response. Check console.';
statusElement.style.color = '#ff6b6b';
console.error('Parse error:', e);
}
} else {
statusElement.textContent = `❌ API error: ${response.status}. Check console.`;
statusElement.style.color = '#ff6b6b';
}
},
onerror: function(error) {
button.disabled = false;
button.style.opacity = '1';
button.style.cursor = 'pointer';
statusElement.textContent = '❌ Network error. Check console for details.';
statusElement.style.color = '#ff6b6b';
console.error('Network error:', error);
},
ontimeout: function() {
button.disabled = false;
button.style.opacity = '1';
button.style.cursor = 'pointer';
statusElement.textContent = '❌ Request timed out. Please try again.';
statusElement.style.color = '#ff6b6b';
}
});
}
// Wait for page to load and add button
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', createDownloadButton);
} else {
createDownloadButton();
}
})();