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lightnovel.us.user.js
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// ==UserScript==
// @name lightnovel.us下载工具
// @namespace Rcrwrate
// @version 1.0.1
// @description 防止防火墙，直接采用前端js进行爬虫
// @author Rcrwrate
// @match https://www.lightnovel.us/*
// @require https://static.sirin.top/https://cdn.jsdelivr.net/gh/mozilla/localForage/dist/localforage.min.js
// @icon https://api.phantom-sea-limited.ltd/favicon.ico
// @updateURL https://static.sirin.top/https://github.com/phantom-sea-limited/Crawler/raw/main/lightnovel.us.user.js
// @downloadURL https://static.sirin.top/https://github.com/phantom-sea-limited/Crawler/raw/main/lightnovel.us.user.js
// @grant none
// @license MIT
// ==/UserScript==
class Article {
ID;
bookname = null;
cover = null;
details = null;
author = null;
tag = null;
chapterList = [];
init_status = false;
load_status = false
constructor(ID, mode = "normal") {
this.ID = ID;
this.mode = mode
// this.load();
}
async init() {
this.init_status = true
Task.add(
[
Task.createBymethod(this.ID, "fetchInfo", this.mode),
Task.createBymethod(this.ID, "fetchCatalog", this.mode),
Task.createBymethod(this.ID, "PrefetchChapter", this.mode),
Task.createBymethod(this.ID, "file", this.mode),
]
)
await this.save()
setTimeout(Task.init, 200)
}
async reinit() {
await this.load()
if (this.init_status != true) {
Task.add(
[
Task.createBymethod(this.ID, "fetchInfo", this.mode),
Task.createBymethod(this.ID, "fetchCatalog", this.mode),
Task.createBymethod(this.ID, "PrefetchChapter", this.mode),
Task.createBymethod(this.ID, "file", this.mode),
]
)
setTimeout(Task.init, 200)
}
}
async fetchInfo() {
await this.load()
if (document.location.href == 'https://www.lightnovel.us/cn/series/' + this.ID) {
var main = document.getElementsByClassName("top-title")[0]
this.details = window.__NUXT__.data[0].series.intro
this.author = window.__NUXT__.data[0].series.author
this.bookname = main.children[0].innerText
this.book_uptime = window.__NUXT__.data[0].series.last_time
this.cover = window.__NUXT__.data[0].series.cover
this.tag = ""
} else {
Task.add(Task.createBymethod(this.ID, "fetchInfo", this.mode), "push")
window.Task_STOP = true
document.location.href = 'https://www.lightnovel.us/cn/series/' + this.ID
}
}
async fetchCatalog() {
await this.load()
if (document.location.href == `https://www.lightnovel.us/cn/series/` + this.ID) {
var oldchaperList = [...this.chapterList]
this.chapterList = [[]]
window.__NUXT__.data[0].pages[0].forEach(chap => {
this.chapterList[0].push({
"name": chap['title'],
"href": "https://www.lightnovel.us/cn/detail/" + chap['aid'],
"content": "",
"cover": chap['cover'],
})
})
} else {
Task.add(Task.createBymethod(this.ID, "fetchCatalog", this.mode), "push")
window.Task_STOP = true
document.location.href = `https://www.lightnovel.us/cn/series/` + this.ID
}
}
async fetchChapter(i, j) {
await this.load()
var chap = this.chapterList[i][j]
if (document.location.href == chap.href) {
chap.content = document.getElementById("article-main-contents").innerHTML.replaceAll("<br>", "\n")
} else {
Task.add(Task.create(this.ID, [`await A.fetchChapter(${i},${j})`], this.mode), "push")
window.Task_STOP = true
document.location.href = chap.href
}
}
async PrefetchChapter() {
await this.load()
if (this.chapterList != null) {
var tasklists = []
var i = 0
this.chapterList.forEach(chap => {
var j = 0
chap.forEach(chapinfo => {
if (chapinfo["content"] == "") {
tasklists.unshift(Task.create(this.ID, [`await A.fetchChapter(${i},${j})`], this.mode))
}
j++
})
i++
})
if (tasklists.length != 0) {
tasklists.unshift(Task.createBymethod(this.ID, "PrefetchChapter", this.mode))
}
Task.add(tasklists, "push")
}
}
output() {
return {
'bookname': this.bookname,
'cover': this.cover,
'book_uptime': this.book_uptime,
'details': this.details,
'author': this.author,
'tag': this.tag,
'chapterList': this.chapterList,
}
}
async file() {
await this.load()
let link = document.createElement('a');
link.download = `${this.bookname}.json`;
let blob = new Blob([JSON.stringify(this.output())], { type: 'text/json' });
link.href = URL.createObjectURL(blob);
link.click();
URL.revokeObjectURL(link.href);
}
async load() {
if (this.load_status != true) {
if (this.mode == "normal") {
var tmp = Article.localconfig(this.ID);
} else {
var tmp = await Article.localforge(this.ID)
if (tmp == null) { tmp = Article.localconfig(this.ID) }
}
if (tmp != null) {
this.bookname = tmp.bookname;
this.details = tmp.details;
this.author = tmp.author;
this.tag = tmp.tag
this.chapterList = tmp.chapterList;
this.cover = tmp.cover;
this.book_uptime = tmp.book_uptime;
} else {
await this.init()
}
this.load_status = true
}
}
async save() {
if (this.mode == "normal") {
Article.localconfig(this.ID, this.output())
} else {
await Article.localforge(this.ID, this.output())
}
}
static localconfig(key, msg = '') {
if (msg === '') {
return JSON.parse(localStorage.getItem(key));
} else {
return localStorage.setItem(key, JSON.stringify(msg))
}
}
static async localforge(key, msg = "") {
var localforge = window.localforage
if (msg === "") {
return JSON.parse(await localforge.getItem(key))
} else {
return await localforge.setItem(key, JSON.stringify(msg))
}
}
}
window.Task_STOP = false
class Task {
static createBymethod(ID, method, mode = "normal") {
return `
var A = new Article(${ID},\"${mode}\")
A.${method}().then(res=>{A.save()})`
}
static create(ID, lines, mode = "normal") {
function _(lines) {
var command = ""
lines.forEach(element => {
command += element + "\n"
})
return command
}
return `
var A = new Article(${ID},\"${mode}\")
async function _(){
${_(lines)}
}
_().then(res=>{A.save()})`
}
static add(command, mode = "unshift") {
var commands = window.Task_info
if (commands == null) { commands = [] }
if (typeof (command) == 'object') {
command.forEach(element => {
if (mode == "unshift") { commands.unshift(element) } else { commands.push(element) }
})
} else {
if (mode == "unshift") { commands.unshift(command) } else { commands.push(command) }
}
Task.localconfig(commands)
}
static init() {
window.Task_info = Task.localconfig()
var commands = window.Task_info
var command;
if (commands != null) {
if (commands.length != 0 && window.Task_STOP != true) {
command = commands.pop()
eval(command)
console.log(command)
Task.localconfig(commands)
setTimeout(Task.init, 200)
}
}
console.log("Task finish! waiting for another")
}
static localconfig(msg = '') {
if (msg === '') {
return JSON.parse(localStorage.getItem("Task"));
} else {
return localStorage.setItem("Task", JSON.stringify(msg))
}
}
}
window.Task_info = Task.localconfig()
window.Article = Article
window.Task = Task
window.Task_statu = null
window.onload = function _init() {
window.Task_statu = "installed"
add_button()
setTimeout(Task.init)
// document.getElementsByClassName("sidebar-buttons")[0].children[2].click() //自动点击繁简切换按钮
}
setTimeout(check_Task_status, 5000)
function check_Task_status() {
if (window.Task_statu != "installed") {
window.onload()
setTimeout(check_Task_status, 5000)
}
}
function add_task_status() {
var l = window.Task_info
var msg
if (l == null) { msg = "任务已完成" }
else if (l.length != 0) { msg = `任务剩余${l.length}` }
else { msg = "任务已完成" }
document.getElementsByClassName("nav-dl")[0].innerText = msg
if (msg != "任务已完成") {
setTimeout(add_task_status, 2000)
}
}
function add_button() {
IDs = document.location.href.match(/https:\/\/www.lightnovel.us\/cn\/series\/(\d+)$/)
function create(svg, text, func) {
var button = document.createElement("button")
button.innerHTML = svg + text
button.onclick = func
button.classList.add("btn")
button.classList.add("btn-rate")
button.classList.add("mar-right-20")
return button
}
if (IDs != null) {
IDs = IDs[1]
var main = document.getElementsByClassName("btns mar-top-30")[0]
main.children[1].classList.remove("btn-collect")
main.children[1].classList.add("btn-rate")
main.children[1].classList.add("mar-right-20")
main.append(create(
`<svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 512 512"><!--! Font Awesome Free 6.4.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><style>svg{fill:#cfcfcf}</style><path d="M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z"/></svg>`,
'下载', function () {
var A = new Article(window.__NUXT__.data[0].series.sid, "async")
A.load().then(res => { A.reinit() })
}
))
main.append(create(
`<svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 512 512"><!--! Font Awesome Free 6.4.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><style>svg{fill:#cfcfcf}</style><path d="M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z"/></svg>`,
'修复下载', function () {
var A = new Article(window.__NUXT__.data[0].series.sid, "async")
A.PrefetchChapter().then(res => { Task.init() })
}
))
main.append(create(
`<svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><style>svg{fill:#adadad}</style><path d="M64 32C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V173.3c0-17-6.7-33.3-18.7-45.3L352 50.7C340 38.7 323.7 32 306.7 32H64zm0 96c0-17.7 14.3-32 32-32H288c17.7 0 32 14.3 32 32v64c0 17.7-14.3 32-32 32H96c-17.7 0-32-14.3-32-32V128zM224 288a64 64 0 1 1 0 128 64 64 0 1 1 0-128z"/></svg>`,
'手动导出', function () {
var A = new Article(window.__NUXT__.data[0].series.sid, "async")
A.file()
}
))
main.append(create(
`<svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 384 512"><!--! Font Awesome Free 6.4.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><style>svg{fill:#999999}</style><path d="M342.6 150.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L192 210.7 86.6 105.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L146.7 256 41.4 361.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192 301.3 297.4 406.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L237.3 256 342.6 150.6z"/></svg>`,
'清空缓存', function () {
localforage.clear()
var vuex = localStorage.getItem("vuex")
var last_read = localStorage.getItem("last_read")
localStorage.clear()
localStorage.setItem("vuex", vuex)
localStorage.setItem("last_read", last_read)
}
))
}
var lab = document.getElementsByClassName("nav flex jc-between")[0]
lab.insertBefore(create(
`<svg xmlns="http://www.w3.org/2000/svg" height="1em" viewBox="0 0 384 512"><!--! Font Awesome Free 6.4.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><style>svg{fill:#999999}</style><path d="M342.6 150.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L192 210.7 86.6 105.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L146.7 256 41.4 361.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192 301.3 297.4 406.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L237.3 256 342.6 150.6z"/></svg>`,
'终止任务', function () {
window.Task_STOP = true
window.Task_info = []
Task.localconfig([])
}
), lab.children[2])
setTimeout(add_task_status)
}