// ==UserScript==
// @name Download NetEase Music
// @namespace http://tampermonkey.net/
// @version 1.1.1
// @description 进入网易歌单,下载该歌单内的所有歌曲
// @homepage https://github.com/san-qi/TampermonkeyScript/tree/main/DownloadNeteaseMusic
// @author san-qi
// @license GPLv3
// @match *://music.163.com/*
// @require https://cdn.bootcdn.net/ajax/libs/handsontable/8.3.2/handsontable.full.min.js
// @resource https://cdn.bootcdn.net/ajax/libs/handsontable/8.3.2/handsontable.full.min.css
// @require https://cdn.jsdelivr.net/npm/[email protected]/dist/sweetalert2.all.min.js
// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant GM_registerMenuCommand
// @grant GM_xmlhttpRequest
// @grant GM_notification
// @grant GM_download
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
var ui = {
get_messenger: function(){
// Avoid multiple messages at the same time
var shown_message = false;
return (title, content = "<div id='netEaseMusicWrapper'></div>", icon = "success", width = "32em") => {
if(shown_message == false){
shown_message = true;
Swal.fire({
icon: icon,
backdrop: `rgba(0,0,123,0.4)
url("/images/nyan-cat.gif")
left top
no-repeat`,
allowOutsideClick: false,
position: 'center',
width: width,
showConfirmButton: true,
title: title,
html: content
}).then(function(isConfirm){
shown_message = false;
});
}else{
// console.log("message cannot be shown");
}
}
},
show_table: function(wrapper_id, data, col_width, merge_cells = undefined){
if(data === undefined){
return;
}
var wrapper = document.getElementById(wrapper_id);
var wrapper_width = wrapper.clientWidth;
var table = new Handsontable(
wrapper,
{
className: "htCenter htMiddle",
data: data,
colWidths: col_width.map(item => Math.ceil(item*wrapper_width)),
autoWrapRow: true,
autoColumnSize: true,
height: 'auto',
width: wrapper_width,
mergeCells: merge_cells,
licenseKey: 'non-commercial-and-evaluation'
});
// Set the table is read-only and unchecked
table.updateSettings({readOnly: true, disableVisualSelection: true});
table.render();
}
}
var messenger = ui.get_messenger();
var network = {
// Gets all the song information under the playlist page
get_playlist_info(){
var doc = document.getElementById("g_iframe").contentDocument;
var info = {"ids":[], "names":[]};
var names = doc.querySelectorAll(".m-table tbody b");
var singers = doc.querySelectorAll(".m-table tbody td:nth-child(4) span[title]");
var ids = doc.querySelectorAll(".m-table tbody td:nth-child(1) span.ply");
names.forEach((item, i) => info.names.push(item.title+' - '+singers[i].title));
ids.forEach(item => info.ids.push(item.getAttribute("data-res-id")));
return info;
},
// Start Download
// TODO Resend on failed
download(id, name, on_succeed, on_error, on_intercept){
// Construct a URL request
var url = "http://music.163.com/song/media/outer/url?id="+id+".mp3";
return new Promise(
(resolve, reject) =>
GM_xmlhttpRequest({
method: "get",
url: url,
binary: true,
responseType: "blob",
onload: function(r) {
// Determine if there is a downloader blocker
if(r.status == 204){
reject();
}
// Determine whether the resource you are pointing to is correct
else if(r.response.type != "text/html;charset=utf8"){
// Gets the URL after the jump, i.e. finalUrl
resolve(r.finalUrl);
}
else{
reject("that song not found");
}
},
onerror: err => reject(err)
})
).then(
// Save the resource locally
// NOTE: When 'then' is used consecutively, only the return of 'Promise' can call the 'resolve' and 'reject' operations in it
target_url => new Promise(
(resolve, reject) =>
GM_download({
url: target_url,
name: name+".mp3",
// TODO Use parameter to judge
saveAs: false,
onload: res => resolve(name),
onerror: err => reject("network fluctuations")
})
)
).then(
// On succeed
data => {
on_succeed(data);
}
).catch(
err => {
// On error
if(err){
on_error(err);
}
// When the request is blocked
else{
on_intercept();
}
}
);
}
}
// Sort and group the content
function sort_then_generate(failure, column){
if(failure === undefined){
return {};
}
failure.sort((a, b) => b.length - a.length);
var result = {};
const len = failure.length;
const row = Math.ceil(len/column);
result.row_num = row;
result.column_num = Math.min(column, failure.length);
// Set data
result.data = [];
// Set one more row to prevent the bottom from being obscured
for(let _=0; _<=row; _++){
result.data.push([]);
};
for(let i=0; i<len; ++i){
result.data[i%row].push(failure[i]);
};
// Set the percentage of each column width
result.colWidths = [];
var colSumWidths = 0;
for(let i=0; i<result.column_num; ++i){
let length = result.data[0][i].length;
colSumWidths += length;
result.colWidths.push(length);
}
result.colWidths = result.colWidths.map(item => item/colSumWidths);
return result;
}
function main(){
var info = network.get_playlist_info();
var ids = info.ids;
var names = info.names;
var success = [];
var failure = [];
var url = window.location.href;
// When located on the playlist page
if (/https?:\/\/music\.163\.com\/.*\/playlist\?id=\d*/i.test(url)){
Promise.all(
// Start the download of all songs
ids.map((item, i) => {
// ‘Return’ must be added, otherwise it will be executed directly in the production process
// This results in The Promise::all fails
// This will bias the results of the statistics
return network.download(
item, names[i],
(data) => {
success.push(names[i]);
},
(err) => {
failure.push(names[i]);
},
() => {
messenger(
"下载失败",
"<div id='netEaseMusicWrapper'>请暂时关闭 IDM 等下载器的拦截权限<br>或将 'http://*.126.net/*.mp3' 加入到下载器白名单</div>",
"error"
);
},
);
})
).then(
// After all executions are completed, the resources that failed to download are counted
() => {
// Pop-up prompts
messenger(
"共" + success.length + "首曲目下载成功; " + failure.length + "首下载失败",
'<div id="netEaseMusicWrapper"></div>',
"success",
"90%"
);
// TODO Use parameter to judge
const column_num = 3;
var result = sort_then_generate(failure, column_num);
// A pop-up window contains an inline table that displays the download failure
ui.show_table("netEaseMusicWrapper", result.data, result.colWidths);
}
);
}
// When located on the song page
else if (/https?:\/\/music\.163\.com\/.*\/song\?id=\d*/i.test(url)){
var doc = document.getElementById("g_iframe").contentDocument;
var song = doc.querySelector("div.g-bd4.f-cb > div.g-mn4 > div > div > div.m-lycifo > div.f-cb > div.cnt > div.hd > div > em").innerText;
var singer = doc.querySelector("div.g-bd4.f-cb > div.g-mn4 > div > div > div.m-lycifo > div.f-cb > div.cnt > p > span").title;
var id = /song\?id=(\d*)/i.exec(window.location.hash)[1];
network.download(
id, song + " - " + singer,
(data) => {
messenger("下载成功");
},
(err) => {
messenger(
"下载失败",
"<div id='netEaseMusicWrapper'>网络产生波动或该歌曲资源未找到</div>",
"warning"
);
},
() => {
messenger(
"下载失败",
"<div id='netEaseMusicWrapper'>请暂时关闭 IDM 等下载器的拦截权限<br>或将 'http://*.126.net/*.mp3' 加入到下载器白名单</div>",
"error"
);
}
);
}
// When located on a different page
else{
messenger(
"当前页面不能执行该操作",
"<div id='netEaseMusicWrapper'>请于歌单页面或单曲页面下执行操作</div>",
"warning"
);
}
}
function init(){
// Remove the limit on the number of tracks on a playlist page
document.cookie="os=pc";
// Perform a page refresh if and only if it is located on a playlist page
if (/https?:\/\/music\.163\.com\/.*\/playlist\?id=\d*/i.test(window.location.href)){
document.getElementById('g_iframe').contentWindow.location.reload(true);
}
}
function tips(){
messenger(
"用前须知",
"<div id='netEaseMusicWrapper'></div>",
"question"
);
ui.show_table(
"netEaseMusicWrapper",
[
["1. ", "网易云网页版会有20首曲目的限制"],
["1. ", "当歌单显示不全时请点击该脚本的第二条选项"],
["1. ", "否则脚本只能下载歌单前20首曲目"],
["~~~", "~~~"],
["2. ", "若你PC上安装有IDM等下载器"],
["2. ", "请对 'http://*.126.net/*.mp3' 放行"],
["2. ", "否则通过IDM下载文件命名会乱码"],
["~~~", "~~~"],
["3. ", "点击 '获取' 进行下载"],
["3. ", "下载时间可能很长"],
["3. ", "请耐心等候"],
["~~~", "~~~"],
["Enjoy those song!", "Enjoy those song!"],
],
[0.1, 0.9],
[
{ row: 0, col: 0, rowspan: 3, colspan: 1 },
{ row: 3, col: 0, rowspan: 1, colspan: 2 },
{ row: 4, col: 0, rowspan: 3, colspan: 1 },
{ row: 7, col: 0, rowspan: 1, colspan: 2 },
{ row: 8, col: 0, rowspan: 3, colspan: 1 },
{ row: 11, col: 0, rowspan: 1, colspan: 2 },
{ row: 12, col: 0, rowspan: 1, colspan: 2 },
],
);
}
GM_registerMenuCommand("用前须知", tips, "");
GM_registerMenuCommand("解除限制", init, "");
GM_registerMenuCommand("获取", main, "");
})();
