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从豆包（www.doubao.com）下载无水印图片 Download Origin Image from www.doubao.com without Watermark.
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// ==UserScript==
// @name 从豆包下载无水印图片 Download Origin Image from Doubao without Watermark
// @name:en Download Origin Image from Doubao without Watermark 从豆包下载无水印图片
// @namespace https://github.com/catscarlet/Download-Origin-Image-from-Doubao-without-Watermark
// @description 从豆包（www.doubao.com）下载无水印图片 Download Origin Image from www.doubao.com without Watermark.
// @description:en Download Origin Image from www.doubao.com without Watermark. 从豆包（www.doubao.com）下载无水印图片
// @version 0.6.0
// @author catscarlet
// @license GNU Affero General Public License v3.0
// @match https://www.doubao.com/chat/*
// @run-at document-end
// @grant none
// ==/UserScript==
const removeDefaultDownloadButton = 1; //Hide Original Download Button by default. If you want the default Download Button appear as usual, set this value to 0.
(function() {
'use strict';
let throttleTimer;
let debounceTimer;
const observer = new MutationObserver((mutationsList) => {
const now = Date.now();
if (!throttleTimer || now - throttleTimer > 300) {
throttleTimer = now;
clearTimeout(debounceTimer);
debounceTimer = setTimeout(() => {
for (const mutation of mutationsList) {
if (mutation.type === 'childList') {
if (removeDefaultDownloadButton) {
const EditImageDownloadButtons = document.querySelectorAll('div[data-testid="edit_image_download_button"]');
EditImageDownloadButtons.forEach((EditImageDownloadButton) => {
if (EditImageDownloadButton && EditImageDownloadButton.style.display != 'none') {
EditImageDownloadButton.style.display = 'none';
}
});
}
const images = document.querySelectorAll('img.preview-img-UILCM3.img-bg-fS7NL0');
if (images.length == 0) {
return false;
}
images.forEach((image) => {
if (!image.parentNode.querySelector('.imagelink-nowatermark')) {
const link = document.createElement('a');
link.textContent = '点击下载无水印图片';
link.style.whiteSpace = 'break-spaces';
link.classList.add('imagelink-nowatermark');
link.style.position = 'absolute';
link.style.backgroundColor = '#007BFF';
link.style.color = 'white';
link.style.padding = '10px 20px';
link.style.border = 'none';
link.style.borderRadius = '5px';
link.style.zIndex = 1;
link.style.textDecoration = 'none';
link.style.opacity = '0.8';
const x = 0;
const y = 0;
link.style.left = x + 'px';
link.style.top = y + 'px';
link.addEventListener('mouseover', function() {
this.style.backgroundColor = '#0056b3';
this.style.cursor = 'pointer';
});
link.addEventListener('mouseout', function() {
this.style.backgroundColor = '#007BFF';
this.style.cursor = '';
});
link.addEventListener('click', async () => {
getCrossOriginImage(link);
});
image.parentNode.appendChild(link);
} else {
//console.log('added, skip.');
}
});
}
}
}, 300);
}
});
const config = {
childList: true,
attributes: false,
subtree: true,
};
observer.observe(document.documentElement, config);
})();
async function getCrossOriginImage(link) {
const currentTitle = document.title.replace('- 豆包', '').trim();
const chatID = document.location.pathname.replace('/chat/', '').trim();
const timeStr = getYmdHMS();
const imageUrl = link.parentNode.querySelector('img').src;
const imageName = currentTitle + '-' + chatID + '-' + timeStr + '.png';
try {
const response = await fetch(imageUrl, {mode: 'cors'});
const blob = await response.blob();
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = imageName;
a.style.display = 'none';
document.body.appendChild(a);
setTimeout(() => {
a.click();
}, 10);
setTimeout(() => {
URL.revokeObjectURL(url);
document.body.removeChild(a);
}, 1000);
} catch (error) {
console.error('图片加载失败，请确保图片服务器开启了 CORS 支持。');
alert('图片加载失败，请确保图片服务器开启了 CORS 支持。');
}
}
function getYmdHMS() {
const date = new Date();
const Y = date.getFullYear();
const m = String(date.getMonth() + 1).padStart(2, '0');
const d = String(date.getDate()).padStart(2, '0');
const H = String(date.getHours()).padStart(2, '0');
const M = String(date.getMinutes()).padStart(2, '0');
const S = String(date.getSeconds()).padStart(2, '0');
const result = `${Y}${m}${d}${H}${M}${S}`;
return result;
}