B站自动更换直播间粉丝勋章

打开B站直播间自动更换相应的粉丝勋章

// ==UserScript==
// @name         B站自动更换直播间粉丝勋章
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  打开B站直播间自动更换相应的粉丝勋章
// @author       GitLouu
// @match        *://live.bilibili.com/*
// @icon         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// @grant        GM_notification
// ==/UserScript==
(async function() {
    'use strict';

    const roomId = parseInt(window.location.pathname.substring(1));
    if (!roomId) return;

    const getCookie = (name) => {
        const reg = new RegExp(`${name}=([^;]*);`);
        const res = document.cookie.match(reg);
        if (res) {
            return decodeURIComponent(res[1]);
        }
        return null;
    };

    const token = getCookie('bili_jct');
    if (!token) return;

    // 获取 当前房间的粉丝勋章所属主播uid
    const info = await fetch(`https://api.live.bilibili.com/xlive/web-room/v1/index/getInfoByUser?room_id=${roomId}&from=0&not_mock_enter_effect=1`, {credentials: "include"})
    .then(res => res.json());
    if (!info || info.code !== 0) return;
    const uid = info.data.medal.up_medal.uid;
    if (info.data.medal.curr_weared && info.data.medal.curr_weared.target_id && uid === info.data.medal.curr_weared.target_id) return;
    // 获取 当前房间的粉丝勋章id
    let medalId = -1;
    let medalName = '';
    const fansMedalInfo = await fetch(`https://api.live.bilibili.com/xlive/app-ucenter/v1/fansMedal/fans_medal_info?target_id=${uid}`, { credentials: 'include'})
    .then(res => res.json());
    if (!fansMedalInfo || fansMedalInfo.code !== 0) return;
    if (fansMedalInfo.data.has_fans_medal) {
        medalId = fansMedalInfo.data.my_fans_medal.medal_id;
        medalName = fansMedalInfo.data.my_fans_medal.medal_name;
    }
    if (medalId === -1) return;

    // 佩戴粉丝勋章
    const wear = await fetch('https://api.live.bilibili.com/xlive/web-room/v1/fansMedal/wear', {
        headers: {
            'accept': 'application/json, text/plain, */*',
            'content-type': 'application/x-www-form-urlencoded'
        },
        body: `medal_id=${medalId}&csrf_token=${token}&csrf=${token}&visit_id=`,
        method: 'POST',
        credentials: 'include'
    })
    .then(res => res.json());
    if (!wear || wear.code !== 0) return;
    GM_notification({text: `粉丝徽章已更换为 "${medalName}"`, timeout: 3000});
})();