import request from "./http";
import { TokenInfo } from "./session";
import util from "./util";
import crypt from "./crypt";
import { assert } from "console";
interface ChallengeOptions {
userAgent?: string;
proxy?: string;
}
interface ChallengeData {
token: string;
tokenInfo: TokenInfo;
session_token: string;
challengeID: string;
challengeURL: string;
game_data: {
gameType: number;
customGUI: {
is_using_api_breaker_v2: boolean;
_guiFontColr: string;
_challenge_imgs: string[];
api_breaker: string;
encrypted_mode: number;
example_images: {
correct: string;
incorrect: string;
}
};
waves: number;
game_variant?: string; // For gametype 3
game_difficulty?: number;
puzzle_name?: string; // For gametype 4
instruction_string?: string; // For gametype 4
};
game_sid: string;
lang: string;
string_table: {
[key: string]: string;
},
string_table_prefixes: string[]
}
interface AnswerResponse {
response: "not answered" | "answered";
solved?: boolean;
incorrect_guess?: number;
score?: number;
decryption_key?: string;
time_end?: number;
time_end_seconds?: number;
}
export abstract class Challenge {
public data: ChallengeData;
public imgs: Promise<Buffer>[];
public wave: number = 0;
protected key: Promise<string>;
protected userAgent: string;
protected proxy: string;
constructor(data: ChallengeData, challengeOptions: ChallengeOptions) {
this.data = data;
this.userAgent = challengeOptions.userAgent;
this.proxy = challengeOptions.proxy;
// Preload images
this.imgs = data.game_data.customGUI._challenge_imgs.map(async (v) => {
let req = await request(v, {
method: "GET",
path: undefined,
headers: {
"User-Agent": this.userAgent,
"Referer": this.data.tokenInfo.surl
},
});
return req.body;
});
if(data.game_data.customGUI.encrypted_mode) {
// Preload decryption key
this.key = this.getKey();
}
}
async getImage(): Promise<Buffer> {
let img = await this.imgs[this.wave];
try {
JSON.parse(img.toString()); // Image is encrypted
img = Buffer.from(
await crypt.decrypt(img.toString(), await this.getKey()),
"base64"
);
} catch (err) {
// Image is not encrypted
// All good!
}
return img;
}
protected async getKey() {
if (this.key) return await this.key;
let response = await request(
this.data.tokenInfo.surl,
{
method: "POST",
path: "/fc/ekey/",
headers: {
"User-Agent": this.userAgent,
"Content-Type": "application/x-www-form-urlencoded",
"Referer": this.data.tokenInfo.surl,
},
body: util.constructFormData({
session_token: this.data.session_token,
game_token: this.data.challengeID,
}),
},
this.proxy
);
this.key = JSON.parse(response.body.toString()).decryption_key;
return this.key;
}
abstract answer(answer: number): Promise<AnswerResponse>;
get gameType() {
return this.data.game_data.gameType;
}
get variant() {
return this.data.game_data.game_variant || this.data.game_data.instruction_string;
}
get instruction() {
return this.data.string_table[`${this.data.game_data.gameType}.instructions-${this.variant}`] || this.data.string_table[`${this.data.game_data.gameType}.touch_done_info${this.data.game_data.game_variant ? `_${this.data.game_data.game_variant}` : ""}`];
}
get waves() {
return this.data.game_data.waves;
}
}
export class Challenge1 extends Challenge {
private answerHistory = [];
public increment;
constructor(data: ChallengeData, challengeOptions: ChallengeOptions) {
super(data, challengeOptions);
// But WHY?!
let clr = data.game_data.customGUI._guiFontColr
this.increment = parseInt(clr ? clr.replace("#", "").substring(3) : "28", 16)
this.increment = this.increment > 113 ? this.increment / 10 : this.increment
}
private round(num: number): string {
return (Math.round(num * 10) / 10).toFixed(2);
}
async answer(answer: number): Promise<AnswerResponse> {
if(answer >= 0 && answer <= Math.round(360 / 51.4) - 1)
this.answerHistory.push(this.round(answer * this.increment));
else
this.answerHistory.push(this.round(answer))
let encrypted = await crypt.encrypt(
this.answerHistory.toString(),
this.data.session_token
);
let req = await request(
this.data.tokenInfo.surl,
{
method: "POST",
path: "/fc/ca/",
headers: {
"User-Agent": this.userAgent,
"Content-Type": "application/x-www-form-urlencoded",
"Referer": this.data.challengeURL
},
body: util.constructFormData({
session_token: this.data.session_token,
game_token: this.data.challengeID,
guess: encrypted,
}),
},
this.proxy
);
let reqData = JSON.parse(req.body.toString());
this.key = reqData.decryption_key || "";
this.wave++;
return reqData;
}
}
export class Challenge3 extends Challenge {
private answerHistory = [];
constructor(data: ChallengeData, challengeOptions: ChallengeOptions) {
super(data, challengeOptions);
}
async answer(tile: number): Promise<AnswerResponse> {
assert(tile >= 0 && tile <= 5, "Tile must be between 0 and 5");
let pos = util.tileToLoc(tile);
this.answerHistory.push(util.solveBreaker(!!this.data.game_data.customGUI.is_using_api_breaker_v2, this.data.game_data.customGUI.api_breaker, 3, pos))
let encrypted = await crypt.encrypt(
JSON.stringify(this.answerHistory),
this.data.session_token
);
let requestedId = await crypt.encrypt(JSON.stringify({}), `REQUESTED${this.data.session_token}ID`);
let { cookie: tCookie, value: tValue } = util.getTimestamp();
let req = await request(
this.data.tokenInfo.surl,
{
method: "POST",
path: "/fc/ca/",
headers: {
"User-Agent": this.userAgent,
"Content-Type": "application/x-www-form-urlencoded",
"X-Newrelic-Timestamp": tValue,
"X-Requested-ID": requestedId,
"Cookie": tCookie,
"Referer": this.data.challengeURL
},
body: util.constructFormData({
session_token: this.data.session_token,
game_token: this.data.challengeID,
guess: encrypted,
analytics_tier: this.data.tokenInfo.at,
sid: this.data.tokenInfo.r,
bio: this.data.tokenInfo.mbio && "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"
}),
},
this.proxy
);
let reqData = JSON.parse(req.body.toString());
this.key = reqData.decryption_key || "";
this.wave++;
return reqData;
}
}
export class Challenge4 extends Challenge {
private answerHistory = [];
constructor(data: ChallengeData, challengeOptions: ChallengeOptions) {
super(data, challengeOptions);
}
async answer(index: number): Promise<AnswerResponse> {
assert(index >= 0 && index <= this.data.game_data.game_difficulty - 1, "Index must be between 0 and " + (this.data.game_data.game_difficulty - 1));
this.answerHistory.push(util.solveBreaker(!!this.data.game_data.customGUI.is_using_api_breaker_v2, this.data.game_data.customGUI.api_breaker, 4, { index }))
let encrypted = await crypt.encrypt(
JSON.stringify(this.answerHistory),
this.data.session_token
);
let requestedId = await crypt.encrypt(JSON.stringify({}), `REQUESTED${this.data.session_token}ID`);
let { cookie: tCookie, value: tValue } = util.getTimestamp();
let req = await request(
this.data.tokenInfo.surl,
{
method: "POST",
path: "/fc/ca/",
headers: {
"User-Agent": this.userAgent,
"Content-Type": "application/x-www-form-urlencoded",
"X-Newrelic-Timestamp": tValue,
"X-Requested-ID": requestedId,
"Cookie": tCookie,
"Referer": this.data.challengeURL
},
body: util.constructFormData({
session_token: this.data.session_token,
game_token: this.data.challengeID,
guess: encrypted,
analytics_tier: this.data.tokenInfo.at,
sid: this.data.tokenInfo.r,
bio: this.data.tokenInfo.mbio && "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"
}),
},
this.proxy
);
let reqData = JSON.parse(req.body.toString());
this.key = reqData.decryption_key || "";
this.wave++;
return reqData;
}
get difficulty(): number {
return this.data.game_data.game_difficulty;
}
}
