// ==UserScript==
// @name         B站直播间自动换牌子
// @namespace    http://tampermonkey.net/
// @version      0.3.2
// @description  B站直播间助手
// @author       残云cyun
// @match        https://live.bilibili.com/*
// @run-at       document-start
// @license      MIT
// ==/UserScript==
(function() {
'use strict';
let settings = {
default: false,     // 是否携带默认牌子
medal_id: 185810,   // 默认带的牌子id
}
// 换牌子
let wear = (medal_id, token) => {
const xhr = new XMLHttpRequest()
xhr.responseType = 'json'
xhr.withCredentials=true
xhr.open("POST","https://api.live.bilibili.com/xlive/web-room/v1/fansMedal/wear")
xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded")
xhr.send(`medal_id=${medal_id}&csrf_token=${token}&csrf=${token}`)
}
// 获取Cookies
let get_cookies = () => {
let cookies = {}
let cookies_array = document.cookie.split('; ')
for (const prop of cookies_array) {
let [k, v] = prop.split('=')
cookies[k] = v
}
return cookies;
}
// 获取直播间详细信息
let get_info = (liveroom_id) => {
return new Promise((res, rej) => {
let xhr = new XMLHttpRequest()
xhr.responseType = 'json'
xhr.withCredentials = true
xhr.onreadystatechange = () => {
if(xhr.readyState === 4) {
if(xhr.status === 200) {
res(xhr.response)
}else {
rej('error')
}
}
}
xhr.open("GET", `https://api.live.bilibili.com/xlive/web-room/v1/index/getInfoByUser?room_id=${liveroom_id}&from=0`)
xhr.send()
})
}
// 获取牌子列表
let get_medal_list = (uid) => {
return new Promise((res, rej) => {
const xhr = new XMLHttpRequest()
xhr.responseType = 'json'
xhr.withCredentials = true
xhr.onreadystatechange = () => {
if(xhr.readyState === 4) {
if(xhr.status === 200) {
res(xhr.response)
}else {
rej('error')
}
}
}
xhr.open("GET", `https://api.live.bilibili.com/xlive/web-ucenter/user/MedalWall?target_id=${uid}`)
xhr.send()
})
}
// 获取直播间标题
let get_liveroom_title = (up_uid) => {
return new Promise((res, rej) => {
const xhr = new XMLHttpRequest()
xhr.responseType = 'json'
xhr.withCredentials = true
xhr.onreadystatechange = () => {
if(xhr.readyState === 4) {
if(xhr.status === 200) {
res(xhr.response)
}else {
rej('error')
}
}
}
xhr.open("GET", `https://api.bilibili.com/x/space/wbi/acc/info?mid=${up_uid}`)
xhr.send()
})
}
let cookies = get_cookies()
let csrf_token = cookies['bili_jct']
let liveroom_id = window.location.pathname.split('/').pop()
let info = null
get_info(liveroom_id).then(res => {
info = res
return get_medal_list(res['data']['info']['uid'])
}).then(res => {
let list = res['data']['list']
let up_uid = info['data']['medal']['up_medal']['uid']
let weared = false
for (const prop of list) {
let medal_id = prop['medal_info']['medal_id']
let target_id = prop['medal_info']['target_id']
if(target_id === up_uid) {
wear(medal_id, csrf_token)
weared = true
break
}
}
// 没有该主播的牌子
if(!weared && settings.default) {
wear(settings.medal_id, csrf_token)
}
// 实时更新直播间标题
setInterval(() => {
get_liveroom_title(up_uid)
.then(res => {
let title = res["data"]["live_room"]["title"]
document.title = title
document.querySelector(".live-title div div").innerText = title
})
}, 10000)
})
})();