BiliveHeart

B站直播心跳

This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greatest.deepsurf.us/scripts/447321/1416383/BiliveHeart.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        BiliveHeart
// @namespace   https://github.com/lzghzr/TampermonkeyJS
// @version     0.0.7
// @author      lzghzr
// @description B站直播心跳
// @include     /^https?:\/\/live\.bilibili\.com\/(?:blanc\/)?\d/
// @require     https://greatest.deepsurf.us/scripts/441505-crypto-js4-1-1/code/crypto-js411.js?version=1028182
// @license     MIT
// @grant       none
// ==/UserScript==
class RoomHeart {
    constructor(t,g,r) {
        this.roomID = t,
        this.Dotime = g,
        this.ruid = r
    }
    areaID;
    parentID;
    seq = 0;
    roomID;
    Dotime;
    get id() {
        return [this.parentID, this.areaID, this.seq, this.roomID]
    }
    buvid = this.getItem("LIVE_BUVID");
    uuid = "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, (t => {
                const e = 16 * Math.random() | 0;
                return ("x" === t ? e : 3 & e | 8).toString(16)
            }));
    device = [this.buvid, this.uuid];
    get ts() {
        return Date.now()
    }
    _patchData = {};
    get patchData() {
        const t = [];
        for (const[e, i]of Object.entries(this._patchData))
            t.push(i);
        return t
    }
    get isPatch() {
        return 0 === this.patchData.length ? 0 : 1
    }
    W = "undefined" == typeof unsafeWindow ? window : unsafeWindow;
    ua = this.W && this.W.navigator ? this.W.navigator.userAgent : "";
    csrf = this.getItem("bili_jct") || "";
    nextInterval = Math.floor(5) + Math.floor(55 * Math.random());
    heartBeatInterval;
    secretKey;
    secretRule;
    timestamp;
    lastHeartbeatTimestamp = Date.now();
    get watchTimeFromLastReport() {
        const t = Math.ceil(((new Date).getTime() - this.lastHeartbeatTimestamp) / 1e3);
        return t < 0 ? 0 : t > this.heartBeatInterval ? this.heartBeatInterval : t
    }
    start() {
        return this.getInfoByRoom()
    }
    doneFunc = function () {};
    async getInfoByRoom() {
        if (0 === this.roomID)
            return !1;
        const t = await fetch(`//api.live.bilibili.com/room/v1/Room/get_info?room_id=${this.roomID}&from=room`, {
            mode: "cors",
            credentials: "include"
        }).then((t => t.json()));
        return 0 === t.code && (({
                area_id: this.areaID,
                parent_area_id: this.parentID,
                room_id: this.roomID
            } = t.data), 0 !== this.areaID && 0 !== this.parentID && (this.e(), !0))
    }
    async webHeartBeat() {
        if (this.seq > this.Dotime)
            return;
        const t = `${this.nextInterval}|${this.roomID}|1|0`,
        e = CryptoJS.enc.Utf8.parse(t),
        i = CryptoJS.enc.Base64.stringify(e),
        s = await fetch(`//live-trace.bilibili.com/xlive/rdata-interface/v1/heartbeat/webHeartBeat?hb=${encodeURIComponent(i)}&pf=web`, {
            mode: "cors",
            credentials: "include"
        }).then((t => t.json()));
        0 === s.code && (this.nextInterval = s.data.next_interval, setTimeout((() => this.webHeartBeat()), 1e3 * this.nextInterval))
    }
    async savePatchData() {
        if (this.seq > this.Dotime)
            return;
        const t = {
            id: JSON.stringify(this.id),
            device: JSON.stringify(this.device),
            ruid:this.ruid,
            ets: this.timestamp,
            benchmark: this.secretKey,
            time: this.watchTimeFromLastReport > this.heartBeatInterval ? this.heartBeatInterval : this.watchTimeFromLastReport,
            ts: this.ts,
            ua: this.ua
        },
        e = this.sypder(JSON.stringify(t), this.secretRule),
        i = Object.assign({
            s: e
        }, t);
        this._patchData[this.roomID] = i,
        setTimeout((() => this.savePatchData()), 15e3)
    }
    async e() {
        const t = {
            id: JSON.stringify(this.id),
            device: JSON.stringify(this.device),
            ruid:this.ruid,
            ts: this.ts,
            is_patch: 0,
            heart_beat: "[]",
            ua: this.ua
        },
        e = await fetch("//live-trace.bilibili.com/xlive/data-interface/v1/x25Kn/E", {
            headers: {
                "content-type": "application/x-www-form-urlencoded"
            },
            method: "POST",
            body: `${this.json2str(t)}&csrf_token=${this.csrf}&csrf=${this.csrf}&visit_id=`,
            mode: "cors",
            credentials: "include"
        }).then((t => t.json()));
        0 === e.code && (this.seq += 1, ({
                heartbeat_interval: this.heartBeatInterval,
                secret_key: this.secretKey,
                secret_rule: this.secretRule,
                timestamp: this.timestamp
            } = e.data), setTimeout((() => this.x()), 1e3 * this.heartBeatInterval))
    }
    async x() {
        if (this.seq > this.Dotime)
            return this.doneFunc();
        const t = {
            id: JSON.stringify(this.id),
            device: JSON.stringify(this.device),
            ruid:this.ruid,
            ets: this.timestamp,
            benchmark: this.secretKey,
            time: this.heartBeatInterval,
            ts: this.ts,
            ua: this.ua
        },
        e = this.sypder(JSON.stringify(t), this.secretRule),
        i = Object.assign({
            s: e
        }, t);
        this._patchData[this.roomID] = i,
        this.lastHeartbeatTimestamp = Date.now();
        const s = await fetch("//live-trace.bilibili.com/xlive/data-interface/v1/x25Kn/X", {
            headers: {
                "content-type": "application/x-www-form-urlencoded"
            },
            method: "POST",
            body: `${this.json2str(i)}&csrf_token=${this.csrf}&csrf=${this.csrf}&visit_id=`,
            mode: "cors",
            credentials: "include"
        }).then((t => t.json()));
        0 === s.code && (this.seq += 1, ({
                heartbeat_interval: this.heartBeatInterval,
                secret_key: this.secretKey,
                secret_rule: this.secretRule,
                timestamp: this.timestamp
            } = s.data), setTimeout((() => this.x()), 1e3 * this.heartBeatInterval))
    }
    sypder(t, e) {
        const i = JSON.parse(t),
        [s, a, r, n] = JSON.parse(i.id),
        [o, c] = JSON.parse(i.device),
        h = i.benchmark,
        m = {
            platform: "web",
            parent_id: s,
            area_id: a,
            seq_id: r,
            room_id: n,
            buvid: o,
            uuid: c,
            ets: i.ets,
            time: i.time,
            ts: i.ts
        };
        let d = JSON.stringify(m);
        for (const t of e)
            switch (t) {
            case 0:
                d = CryptoJS.HmacMD5(d, h).toString(CryptoJS.enc.Hex);
                break;
            case 1:
                d = CryptoJS.HmacSHA1(d, h).toString(CryptoJS.enc.Hex);
                break;
            case 2:
                d = CryptoJS.HmacSHA256(d, h).toString(CryptoJS.enc.Hex);
                break;
            case 3:
                d = CryptoJS.HmacSHA224(d, h).toString(CryptoJS.enc.Hex);
                break;
            case 4:
                d = CryptoJS.HmacSHA512(d, h).toString(CryptoJS.enc.Hex);
                break;
            case 5:
                d = CryptoJS.HmacSHA384(d, h).toString(CryptoJS.enc.Hex);
                break;
            default:
                break
            }
        return d
    }
    getItem(t) {
        return decodeURIComponent(document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + encodeURIComponent(t).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1")) || ""
    }
    json2str(t) {
        let e = "";
        for (const i in t)
            e += `${i}=${encodeURIComponent(t[i])}&`;
        return e.slice(0, -1)
    }
}