index.ts

import JSDOM from "jsdom";
import fetch from "node-fetch";
import fetchCookie from "fetch-cookie/node-fetch.js";
const cookiefetch: (url: RequestInfo, init?: RequestInit | undefined) => Promise<Response> = fetchCookie(fetch) as any;
import { URLSearchParams } from "url";
interface TokenResponse {
	expires_in: string,
	state: string,
	id_token: string,
	access_token: string,
	token_type: "Bearer"
}
interface MasterResponse {
	authToken: string;
	classIDs: number[];
	curriculumOverride: unknown;
	curriculumTreeID: number;
	goalId: unknown;
	grade: number;
	isMember: 0 | 1;
	isTowerTownEnabled: boolean;
	lastVisited: string;
	memberEndDate: string | null;
	memberStartDate: string | null
	name: string;
	objectID: number;
	ownerIDs: number[]
	parentEmail: string | null;
	placementTestID: number
	registerDate: string;
	token: string;
	userID: number;
	usertype: string;
}
export const tokenify = async(username: string, password: string, { log }: { log?: boolean } = {}) => {
	if (log) console.log("Fetching login route...");
	const formSite: Response = await cookiefetch("https://sso.prodigygame.com/game/login");
	if (!formSite.ok) throw new Error(`The form page request was unable to be fetched with a code of ${formSite.status}.`);
	const site = await formSite.text();
	const dom = new JSDOM.JSDOM(site);
	if (log) console.log("Successfully fetched.");
	const { document } = dom.window;
	const authenticity = document.querySelector("input[name=authenticity_token]")?.getAttribute("value");
	if (!authenticity) throw new Error("Authenticity token failed. No authenticity input was found.");
	if (log) console.log("Authenticity token obtained!");
	const loginParams = new URLSearchParams();
	loginParams.set("utf8", "✓");
	loginParams.set("authenticity_token", authenticity);
	loginParams.set("unauthenticated_game_login_form[username]", username);
	loginParams.set("unauthenticated_game_login_form[password]", password);
	loginParams.set("button", "");
	
	const buf = new ArrayBuffer(16);
	const ai = new Uint16Array(buf);
	ai.set([15, 38, 39, 39, 4, 39, 4, 4]);
	loginParams.set("g-recaptcha-response", ai.toLocaleString());
	const login = await cookiefetch(formSite.url, {
		headers: {
			"content-type": "application/x-www-form-urlencoded",
		},
		body: loginParams.toString(),
		method: "POST",
		redirect: "manual",
	});
	if (!login.ok && !login.status.toString().startsWith("3")) throw new Error(`Initial login request was unsuccessful with code ${login.status}.`);
	if (log) console.log(`Initial login request done with a code of ${login.status}.`);
	const playLogin = await cookiefetch(login.headers.get("location") ?? "", { redirect: "follow" });
	if (!playLogin.ok && !playLogin.status.toString().startsWith("3")) throw new Error(`Client ID request failed with a code of ${playLogin.status}`);
	if (log) console.log(`Client ID request done with a code of ${playLogin.status}.`);
	const clientId = (await playLogin.text()).match(/var client_id = '([0-9a-f]+)';/)?.[1];
	if (clientId === undefined) throw new Error("Client ID was not found on in the request response.");
	const tokenParams = new URLSearchParams();
	tokenParams.set("client_id", clientId);
	tokenParams.set("redirect_uri", "https://play.prodigygame.com/play");
	tokenParams.set("response_type", "id_token token");
	tokenParams.set("scope", "openid profile email sid identity_provider");
	tokenParams.set("state", "b292a37841634f2eb2c6c283285e0e1a");
	tokenParams.set("nonce", "e651b05312b74195beb22f99a116c630");
	tokenParams.set("prompt", "login");
	tokenParams.set("mobilePlatform", "undefined");
	const tokenLogin = await cookiefetch("https://sso.prodigygame.com/oauth/authorize?" + tokenParams, {
		redirect: "manual"
	});
	if (!tokenLogin.ok && !tokenLogin.status.toString().startsWith("3")) throw new Error(`First authentication request failed with a code of ${tokenLogin.status}.`)
	if (log) console.log(`First token request done with a code of ${tokenLogin.status}.`);
	const secondTokenLogin = await cookiefetch(tokenLogin.headers.get("location") ?? "", {
		redirect: "manual"
	});
	if (!secondTokenLogin.ok && !secondTokenLogin.status.toString().startsWith("3")) throw new Error(`Second authentication request failed with a code of ${secondTokenLogin.status}.`)
	if (log) console.log(`Second token request done with a code of ${secondTokenLogin.status}.`);
	const tokenProp = new URL((secondTokenLogin.headers.get("location") ?? "").replace("#", "?")).searchParams;
	const tokenInit: TokenResponse = Object.fromEntries(tokenProp.entries()) as any;
	const master = await fetch("https://api.prodigygame.com/game-auth-api/v3/user", {
		headers: {
			"Content-Type": "application/json"
		},
		body: JSON.stringify({
			identityToken: tokenInit.access_token
		}),
		method: "POST"
	});
	if (!master.ok) throw new Error(`Master request failed with a code of ${master.status}.`);
	if (log) console.log(`Master request done with a code of ${master.status}.`);
	const masterJson: MasterResponse = await master.json();
	return {
		...tokenInit,
		...masterJson
	}
};
export const renewToken = async(id: number, auth: string): Promise<string> => 
	(await (await fetch(`https://api.prodigygame.com/game-auth-api/jwt/${id}?token=${auth}`)).json()).token;