steam-badge-unlocker/components/broadcast.js

Provides an interface to solve most quests of the Steam Community badge.

const SteamBadgeUnlocker = require('../index');

/**
 * @link https://community.cloudflare.steamstatic.com/public/javascript/broadcast_watch.js
 * @param {string} steamId
 * @returns {Promise<BroadcastMpd>}
 */
SteamBadgeUnlocker.prototype.getBroadcastManifest = function (steamId) {
	return this.get({
		url: 'https://steamcommunity.com/broadcast/getbroadcastmpd/',
		qs: {
			l: this.getLanguage(),
			steamid: steamId,
			sessionid: this.getSessionId(),
			broadcastid: 0,
			viewertoken: 0,
			watchlocation: 5,
		},
		json: true,
		headers: {
			'Origin': 'https://steamcommunity.com',
			'Referer': 'https://steamcommunity.com/broadcast/watch/' + steamId
		},
	});
}

/**
 * @param {{qs?: AllContentHomeQuery, headers?: module:http.IncomingHttpHeaders}} params
 * @returns {Promise<Array<BroadcastLink>>}
 */
SteamBadgeUnlocker.prototype.getBroadcastTrendLinks = function (params = {}) {
	const self = this;
	return new Promise((resolve, reject) => {
		self.getAllContentHome('broadcasts', params).then((body) => {
			/** @type {Array<BroadcastLink>} */
			const links = [];
			const pattern = /https?:\/\/(www\.)?steamcommunity\.com\/broadcast\/watch\/(\d+)/;
			const matches = body.match(new RegExp(pattern, 'g'));
			if (matches) {
				for (let link of matches) {
					const match = link.match(pattern);
					links.push({
						url: match[0],
						watchId: match[2],
					});
				}
			}

			resolve(links);
		}, (e) => reject(e));
	});
}

/** @typedef {{url: string, watchId: string}} BroadcastLink */
/** @typedef {{
 * broadcastid: string,
 * cdn_auth_url_parameters: null,
 * eresult: number,
 * heartbeat_interval: number,
 * hls_url: string,
 * is_replay: number,
 * is_rtmp: number,
 * is_webrtc: null,
 * num_viewers: number,
 * retry: number,
 * success: 'ready'|string,
 * title: string,
 * url: string,
 * viewertoken: string,
 * webrtc_offer_sdp: null,
 * webrtc_session_id: null,
 * webrtc_turn_server: null,
 * }} BroadcastMpd
 */