是否下载此${mediaType === 'video' ? '视频' : '图片'}？
`; 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); })();