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Downloads Webnovel comic chapters into a folder based on the tab name.
// ==UserScript==
// @name Webnovel Comic Ripper
// @namespace http://tampermonkey.net/
// @version 1.1
// @description Downloads Webnovel comic chapters into a folder based on the tab name.
// @author ozler365
// @license GPL-3.0-only
// @icon https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/82/e4/53/82e453f3-7569-7fc1-05d1-ea20871c2241/Placeholder.mill/400x400bb-75.webp
// @match https://www.webnovel.com/comic/*/*
// @grant GM_download
// ==/UserScript==
(function() {
'use strict';
// 1. Create a floating download button
const downloadBtn = document.createElement('button');
downloadBtn.textContent = '📥 Download Chapter';
Object.assign(downloadBtn.style, {
position: 'fixed',
bottom: '20px',
right: '20px',
zIndex: '999999',
padding: '12px 20px',
backgroundColor: '#3b82f6',
color: 'white',
border: 'none',
borderRadius: '8px',
cursor: 'pointer',
boxShadow: '0 4px 6px rgba(0,0,0,0.1)',
fontFamily: 'sans-serif',
fontWeight: 'bold'
});
document.body.appendChild(downloadBtn);
// Helper: Get cookie by name (for the CSRF token)
function getCookie(name) {
const value = `; ${document.cookie}`;
const parts = value.split(`; ${name}=`);
if (parts.length === 2) return parts.pop().split(';').shift();
return '';
}
// Helper: Clean the tab title so it is a valid folder name
function getCleanFolderName() {
// Removes characters that are invalid in Windows/Mac folder names: \ / : * ? " < > |
let title = document.title.replace(/[\\/:*?"<>|]/g, '').trim();
return title || 'Webnovel_Comic_Chapter';
}
// 2. Main download logic
downloadBtn.addEventListener('click', async () => {
downloadBtn.textContent = 'Fetching data...';
downloadBtn.disabled = true;
try {
// Parse URL for IDs
const urlParts = window.location.href.split('?')[0].split('/');
const chapterPart = urlParts.pop(); // e.g., you-are-my-female-now_38330774499412077
const comicPart = urlParts.pop(); // e.g., beauty-and-the-beasts_14279238705852001
const chapterId = chapterPart.split('_').pop();
const comicId = comicPart.split('_').pop();
const csrfToken = getCookie('_csrfToken');
if (!chapterId || !comicId) {
throw new Error("Could not extract Comic ID or Chapter ID from the URL.");
}
// Construct API URL
const apiUrl = `/go/pcm/comic/getContent?_csrfToken=${csrfToken}&chapterId=${chapterId}&comicId=${comicId}`;
// Fetch chapter info
const response = await fetch(apiUrl);
const jsonData = await response.json();
const pages = jsonData?.data?.chapterInfo?.chapterPage;
if (!pages || pages.length === 0) {
throw new Error("No images found in the API response.");
}
const folderName = getCleanFolderName();
downloadBtn.textContent = `Downloading ${pages.length} images...`;
// 3. Queue downloads
pages.forEach((page, index) => {
// Ensure correct file extension (defaulting to .jpg if missing)
const ext = page.url.split('.').pop().split('?')[0] || 'jpg';
// Pad the index with zeros (e.g., 001, 002) so they sort correctly in the folder
const fileNumber = String(index + 1).padStart(3, '0');
const fileName = `${folderName}/${fileNumber}.${ext}`;
// Trigger the download via the userscript manager
GM_download({
url: page.url,
name: fileName,
saveAs: false,
onerror: (err) => console.error(`Failed to download page ${fileNumber}:`, err)
});
});
setTimeout(() => {
downloadBtn.textContent = '✅ Downloads Queued!';
downloadBtn.style.backgroundColor = '#10b981';
}, 1000);
} catch (error) {
console.error(error);
downloadBtn.textContent = '❌ Error (See Console)';
downloadBtn.style.backgroundColor = '#ef4444';
}
// Reset button after a few seconds
setTimeout(() => {
downloadBtn.textContent = '📥 Download Chapter';
downloadBtn.style.backgroundColor = '#3b82f6';
downloadBtn.disabled = false;
}, 5000);
});
})();