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在哔哩哔哩视频页面添加下载按钮
// ==UserScript==
// @name bilibili哔哩哔哩视频下载
// @namespace http://tampermonkey.net/
// @version 0.5
// @description 在哔哩哔哩视频页面添加下载按钮
// @match https://www.bilibili.com/video/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// 定义一些常用的解析接口
const PARSE_APIS = [
'https://api.injahow.cn/bparse/',
'https://jx.jsonplayer.com/player/',
'https://jx.bozrc.com:4433/player/',
'https://jx.parwix.com:4433/player/'
];
function createDownloadButton() {
const downloadBtn = document.createElement('button');
downloadBtn.textContent = '下载';
downloadBtn.style.cssText = `
margin-left: 10px;
padding: 5px 12px;
background: #00aeec;
color: white;
border: none;
border-radius: 8px;
cursor: pointer;
font-size: 13px;
height: 32px;
line-height: 18px;
min-width: 50px;
`;
downloadBtn.onclick = startDownload;
return downloadBtn;
}
// 获取视频基本信息
function getBiliVideoInfo() {
try {
// 首先尝试从 window.__INITIAL_STATE__ 获取视频信息
let initialState = window.__INITIAL_STATE__;
let videoData = initialState?.videoData;
// 如果上面的方式失败，尝试从其他可能的数据源获取
if (!videoData) {
// 尝试从 window.__playinfo__ 获取
const playInfo = window.__playinfo__;
if (playInfo) {
videoData = {
bvid: document.querySelector('meta[itemprop="url"]')?.content?.split('/').pop(),
aid: playInfo.aid,
cid: playInfo.cid,
title: document.querySelector('h1.video-title')?.textContent?.trim(),
desc: document.querySelector('.desc-info-text')?.textContent?.trim(),
pic: document.querySelector('meta[itemprop="image"]')?.content,
owner: {
name: document.querySelector('.up-name')?.textContent?.trim(),
face: document.querySelector('.up-avatar img')?.src,
mid: document.querySelector('.up-name')?.href?.match(/\d+/)?.[0]
}
};
}
}
// 如果还是没有数据，尝试从URL和页面元素获取
if (!videoData) {
const bvid = location.pathname.match(/BV\w+/)?.[0];
videoData = {
bvid: bvid,
title: document.title.replace(' - 哔哩哔哩', '').trim(),
pic: document.querySelector('meta[property="og:image"]')?.content,
desc: document.querySelector('meta[property="og:description"]')?.content,
owner: {
name: document.querySelector('.up-name')?.textContent?.trim(),
face: document.querySelector('.up-avatar img')?.src,
mid: document.querySelector('.up-name')?.href?.match(/\d+/)?.[0]
}
};
}
if (!videoData || !videoData.bvid) {
throw new Error('无法获取视频信息');
}
// 确保返回的对象包含所有必要的字段
return {
bvid: videoData.bvid,
pic: videoData.pic || '',
title: videoData.title || document.title,
pubdate: videoData.pubdate,
desc: videoData.desc || '',
duration: videoData.duration,
owner: {
mid: videoData.owner?.mid || '',
name: videoData.owner?.name || '未知用户',
face: videoData.owner?.face || ''
},
aid: videoData.aid,
cid: videoData.cid || videoData.pages?.[0]?.cid
};
} catch (error) {
console.error('获取视频信息失败:', error);
// 添加更详细的错误信息
console.log('当前页面URL:', location.href);
console.log('window.__INITIAL_STATE__:', window.__INITIAL_STATE__);
console.log('window.__playinfo__:', window.__playinfo__);
throw error;
}
}
// 使用bilibili官方接口解析视频
async function getVideoUrl(aid, cid, quality) {
const apiUrl = 'https://api.bilibili.com/x/player/playurl';
const params = {
otype: 'json',
platform: 'html5',
avid: aid,
cid: cid,
qn: quality || window.__playinfo__?.data?.accept_quality?.[0] || 80,
fnver: 0,
fnval: 4048,
high_quality: window.__playinfo__?.data?.quality || 1
};
const queryString = Object.entries(params)
.map(([key, value]) => `${key}=${value}`)
.join('&');
const response = await fetch(`${apiUrl}?${queryString}`, {
credentials: 'include'
});
const data = await response.json();
if (data.code !== 0) {
throw new Error(data.message || '获取下载地址失败');
}
return data.data.durl[0].url;
}
// 使用第三方接口解析视频
async function parseVideoUrl(bvid, apiIndex = 0, usedQuality = null) {
if (apiIndex >= PARSE_APIS.length) {
throw new Error('所有解析接口都失败了');
}
try {
// 如果没有传入清晰度，使用当前播放器的清晰度设置
const quality = usedQuality || window.__playinfo__?.data?.quality || 80;
// 构建API URL，添加清晰度参数
const apiUrl = `${PARSE_APIS[apiIndex]}?bv=${bvid}&q=${quality}`;
console.log(`尝试解析接口${apiIndex + 1}，清晰度: ${quality}`);
const response = await fetch(apiUrl);
const data = await response.json();
if (!data.url && !data.data?.url) {
// 如果当前清晰度失败且不是1080P，尝试降级到1080P
if (quality !== 80) {
console.log(`清晰度${quality}解析失败，尝试1080P`);
return parseVideoUrl(bvid, apiIndex, 80);
}
throw new Error('解析接口返回数据格式错误');
}
return {
url: data.url || data.data.url,
quality: quality
};
} catch (error) {
return parseVideoUrl(bvid, apiIndex + 1, usedQuality);
}
}
// 构造下载信息
async function constructDownloadInfo() {
try {
const videoInfo = getBiliVideoInfo();
let downloadUrl;
let usedQuality; // 添加变量记录使用的清晰度
try {
if (videoInfo.aid && videoInfo.cid) {
const quality = window.__playinfo__?.data?.accept_quality?.[0] || 80;
downloadUrl = await getVideoUrl(videoInfo.aid, videoInfo.cid, quality);
usedQuality = quality; // 记录官方API使用的清晰度
}
} catch (error) {
// 官方API失败时静默切换到备用接口
}
if (!downloadUrl) {
const result = await parseVideoUrl(videoInfo.bvid, 0, window.__playinfo__?.data?.quality);
downloadUrl = result.url;
usedQuality = result.quality;
}
return {
bvid: videoInfo.bvid,
downloadUrl: downloadUrl,
title: videoInfo.title,
desc: videoInfo.desc,
pic: videoInfo.pic,
aid: videoInfo.aid,
cid: videoInfo.cid,
owner: videoInfo.owner,
face: videoInfo.face,
downloadUrl,
usedQuality, // 将清晰度信息添加到返回对象中
};
} catch (error) {
throw error;
}
}
// 开始下载
async function startDownload() {
try {
const downloadInfo = await constructDownloadInfo();
// 在控制台打印下载信息
console.group('视频下载信息');
console.log('标题:', downloadInfo.title);
console.log('描述:', downloadInfo.desc);
console.log('封面:', downloadInfo.pic);
console.log('下载地址:', downloadInfo.downloadUrl);
console.log('UP主:', downloadInfo.owner?.name);
console.log('UP主头像:', downloadInfo.owner?.face);
console.log('BV号:', downloadInfo.bvid);
console.log('AV号:', downloadInfo.aid);
console.log('CID:', downloadInfo.cid);
// 添加清晰度相关信息
console.group('清晰度信息');
console.log('支持的清晰度列表:', window.__playinfo__?.data?.accept_quality?.map(qn => ({
qn,
desc: {
120: '4K',
116: '1080P60帧',
112: '1080P+高码率',
80: '1080P',
64: '720P',
32: '480P',
16: '360P'
}[qn] || `未知(${qn})`
})));
console.log('当前播放清晰度:', window.__playinfo__?.data?.quality);
if (downloadInfo.isOfficialApi) {
console.log('下载使用的清晰度:', `${downloadInfo.usedQuality} (${
{
120: '4K',
116: '1080P60帧',
112: '1080P+高码率',
80: '1080P',
64: '720P',
32: '480P',
16: '360P'
}[downloadInfo.usedQuality] || '未知清晰度'
})`);
console.log('使用接口: 官方API');
} else {
console.log('下载使用的清晰度:', `${downloadInfo.usedQuality} (${
{
120: '4K',
116: '1080P60帧',
112: '1080P+高码率',
80: '1080P',
64: '720P',
32: '480P',
16: '360P'
}[downloadInfo.usedQuality] || '未知清晰度'
})`);
console.log('使用接口: 第三方接口');
console.log('提示: 如需更高清晰度，建议登录后使用官方API下载');
}
console.groupEnd();
console.groupEnd();
// 构建URL参数
const params = new URLSearchParams();
params.append('title', downloadInfo.title || '');
params.append('desc', downloadInfo.desc || '');
params.append('pic', downloadInfo.pic || '');
params.append('downloadUrl', downloadInfo.downloadUrl);
params.append('owner', downloadInfo.owner?.name || '');
params.append('face', downloadInfo.owner?.face || '');
// 构建完整的URL地址
const baseUrl = 'https://saveany.cn/get_video_info.html';
const finalUrl = `${baseUrl}?${params.toString()}`;
// 在控制台打印最终URL
console.log('最终请求URL:', finalUrl);
// 打开新窗口
const downloadWindow = window.open(finalUrl, '_blank');
if (downloadWindow) {
downloadWindow.focus();
} else {
alert('下载窗口被浏览器阻止，请允许弹出窗口后重试。');
}
} catch (error) {
console.error('下载失败:', error);
alert('下载失败: ' + error.message);
}
}
function addDownloadButton() {
const targetArea = document.querySelector("#bilibili-player > div > div > div.bpx-player-primary-area > div.bpx-player-sending-area > div");
if (targetArea && !targetArea.querySelector('.download-btn')) {
const downloadBtn = createDownloadButton();
downloadBtn.classList.add('download-btn');
targetArea.appendChild(downloadBtn);
}
}
function observeDOM() {
const targetNode = document.body;
const config = { childList: true, subtree: true };
const observer = new MutationObserver((mutationsList, observer) => {
for(let mutation of mutationsList) {
if (mutation.type === 'childList') {
addDownloadButton();
}
}
});
observer.observe(targetNode, config);
}
// 初始尝试添加按钮
window.addEventListener('load', () => {
addDownloadButton();
observeDOM();
});
// 定期检查并尝试重新添加按钮
setInterval(addDownloadButton, 5000);
})();