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实现豆包&即梦生成的图片视频免费无水印下载
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// ==UserScript==
// @name 豆包&即梦AI下载无水印图片视频
// @namespace http://tampermonkey.net/
// @version 1.41
// @description 实现豆包&即梦生成的图片视频免费无水印下载
// @author 11208596
// @license UNLICENSED
// @match https://www.doubao.com/*
// @match https://jimeng.jianying.com/ai-tool/*
// @grant GM_download
// @grant GM_xmlhttpRequest
// ==/UserScript==
(function () {
'use strict';
// 创建确认对话框样式
const style = document.createElement('style');
style.textContent = `
.download-confirm-dialog {
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background: white;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
z-index: 10000;
min-width: 300px;
text-align: center;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.download-confirm-dialog h3 {
margin: 0 0 15px 0;
color: #333;
}
.download-confirm-dialog .buttons {
margin-top: 20px;
}
.download-confirm-dialog button {
margin: 0 10px;
padding: 8px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 14px;
}
.download-confirm-dialog .confirm-btn {
background: #1890ff;
color: white;
}
.download-confirm-dialog .confirm-btn:disabled {
background: #b4b4b4;
cursor: not-allowed;
}
.download-confirm-dialog .cancel-btn {
background: #f5f5f5;
color: #333;
}
.download-confirm-dialog button:hover {
opacity: 0.8;
}
.download-confirm-overlay {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: rgba(0,0,0,0.5);
z-index: 9999;
}
`;
document.head.appendChild(style);
// 获取当前网站域名
const currentDomain = window.location.hostname;
// 创建确认对话框
function createConfirmDialog(mediaUrl, mediaType, downloadFunction) {
const overlay = document.createElement('div');
overlay.className = 'download-confirm-overlay';
const dialog = document.createElement('div');
dialog.className = 'download-confirm-dialog';
dialog.innerHTML = `
<h3>确认下载</h3>
<p>是否下载此${mediaType === 'video' ? '视频' : '图片'}？</p>
<div class="buttons">
<button class="confirm-btn">确认</button>
<button class="cancel-btn">取消</button>
</div>
`;
document.body.appendChild(overlay);
document.body.appendChild(dialog);
const confirmBtn = dialog.querySelector('.confirm-btn');
const cancelBtn = dialog.querySelector('.cancel-btn');
function closeDialog() {
document.body.removeChild(overlay);
document.body.removeChild(dialog);
}
confirmBtn.addEventListener('click', () => {
confirmBtn.disabled = true;
confirmBtn.textContent = '下载中...';
downloadFunction(mediaUrl, closeDialog);
});
cancelBtn.addEventListener('click', closeDialog);
}
// 处理视频URL,移除水印
function processVideoUrl(url) {
try {
// 如果是即梦/豆包视频 (vlabvod.com域名)
if (url.includes('vlabvod.com')) {
const urlObj = new URL(url);
// 移除所有可能的水印参数
const paramsToRemove = [
'lr', 'watermark', 'display_watermark_busi_user',
'cd', 'cs', 'ds', 'ft', 'btag', 'dy_q', 'feature_id'
];
paramsToRemove.forEach(param => {
urlObj.searchParams.delete(param);
});
// 设置最高质量参数
if (urlObj.searchParams.has('br')) {
// 使用更高的比特率
const br = parseInt(urlObj.searchParams.get('br'));
urlObj.searchParams.set('br', Math.max(br, 6000).toString());
urlObj.searchParams.set('bt', Math.max(br, 6000).toString());
}
// 移除任何额外的跟踪或水印参数
urlObj.searchParams.delete('l');
console.log('处理后的视频URL:', urlObj.toString());
return urlObj.toString();
}
return url;
} catch (e) {
console.error('处理视频URL时出错:', e);
return url;
}
}
// 获取真实视频URL
async function getRealVideoUrl(videoElement) {
// 首先尝试获取video元素的src
let videoUrl = videoElement.src;
// 如果没有src，尝试获取source标签
if (!videoUrl) {
const sourceElement = videoElement.querySelector('source');
if (sourceElement) {
videoUrl = sourceElement.src;
}
}
// 如果还是没有，尝试data-src属性
if (!videoUrl) {
videoUrl = videoElement.getAttribute('data-src');
}
// 记录原始URL
console.log('原始视频URL:', videoUrl);
return videoUrl;
}
// 下载图片的函数
function downloadImage(imageUrl, callback) {
const fileName = getFileNameFromUrl(imageUrl);
GM_xmlhttpRequest({
method: 'GET',
url: imageUrl,
responseType: 'blob',
headers: {
'Accept': 'image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8',
'Accept-Encoding': 'gzip, deflate, br',
'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
'Referer': currentDomain.includes('doubao') ?
'https://www.doubao.com/' :
'https://jimeng.jianying.com/',
'Origin': currentDomain.includes('doubao') ?
'https://www.doubao.com' :
'https://jimeng.jianying.com',
'User-Agent': navigator.userAgent
},
onload: function(response) {
if (response.status === 200) {
const blob = response.response;
const url = URL.createObjectURL(blob);
const link = document.createElement('a');
link.href = url;
link.download = fileName;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
setTimeout(() => URL.revokeObjectURL(url), 100);
console.log('下载成功:', fileName);
if (callback) callback();
} else {
console.error('下载失败:', response.status);
if (callback) callback();
}
},
onerror: function(error) {
console.error('请求失败:', error);
if (callback) callback();
}
});
console.log(`正在下载图片: ${imageUrl}`);
}
// 下载视频的函数
function downloadVideo(videoUrl, callback) {
// 处理URL,移除水印
const processedUrl = processVideoUrl(videoUrl);
const fileName = getFileNameFromUrl(processedUrl);
// 添加下载进度显示
let progressDialog = document.querySelector('.download-confirm-dialog');
let progressBtn = progressDialog?.querySelector('.confirm-btn');
GM_xmlhttpRequest({
method: 'GET',
url: processedUrl,
responseType: 'blob',
headers: {
'Accept': 'video/mp4,video/*;q=0.9,*/*;q=0.8',
'Accept-Encoding': 'gzip, deflate, br',
'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
'Range': 'bytes=0-',
'Referer': currentDomain.includes('doubao') ?
'https://www.doubao.com/' :
'https://jimeng.jianying.com/',
'Origin': currentDomain.includes('doubao') ?
'https://www.doubao.com' :
'https://jimeng.jianying.com',
'User-Agent': navigator.userAgent
},
onprogress: function(progress) {
if (progress.lengthComputable && progressBtn) {
const percent = Math.round((progress.loaded / progress.total) * 100);
progressBtn.textContent = `下载中 ${percent}%`;
}
},
onload: function(response) {
if (response.status === 200 || response.status === 206) {
const blob = response.response;
const url = URL.createObjectURL(blob);
const link = document.createElement('a');
link.href = url;
link.download = fileName.endsWith('.mp4') ? fileName : fileName + '.mp4';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
setTimeout(() => URL.revokeObjectURL(url), 100);
console.log('下载成功:', fileName);
if (callback) callback();
} else {
console.error('下载失败:', response.status);
alert('下载失败，请检查控制台获取详细信息');
if (callback) callback();
}
},
onerror: function(error) {
console.error('请求失败:', error);
alert('下载失败，请检查控制台获取详细信息');
if (callback) callback();
}
});
console.log(`正在下载视频: ${processedUrl}`);
}
// 从 URL 中提取文件名
function getFileNameFromUrl(url) {
url = url.split('?')[0];
const urlParts = url.split('/');
let fileName = urlParts[urlParts.length - 1];
if (fileName.includes('~')) {
fileName = fileName.split('~')[0];
}
// 处理视频和图片的扩展名
if (!fileName.match(/\.(mp4|webm|jpg|jpeg|png)$/i)) {
fileName += url.includes('video') ? '.mp4' : '.jpeg';
}
return fileName;
}
// 监听右键点击事件
document.addEventListener('contextmenu', async function (event) {
const target = event.target;
// 处理图片下载
if (target.tagName.toLowerCase() === 'img') {
const imageUrl = target.src;
if (imageUrl) {
createConfirmDialog(imageUrl, 'image', downloadImage);
event.preventDefault();
}
}
// 处理视频下载
else if (target.tagName.toLowerCase() === 'video' ||
target.closest('video')) {
const videoElement = target.tagName.toLowerCase() === 'video' ?
target : target.closest('video');
if (videoElement) {
const videoUrl = await getRealVideoUrl(videoElement);
if (videoUrl) {
createConfirmDialog(videoUrl, 'video', downloadVideo);
event.preventDefault();
}
}
}
}, true);
})();