add frontend and swap whole stack to sveltekit/nodejs

src/lib/server/database.ts

@@ -0,0 +1,37 @@
+import { DataTypes, Sequelize } from 'sequelize';
+import { DATABASE_URI } from '$env/static/private';
+import { dev } from '$app/environment';
+
+export const sequelize = new Sequelize(DATABASE_URI, {
+	// only log sql queries in dev mode
+	logging: dev ? console.log : false
+});
+
+export const User = sequelize.define('user', {
+	firstname: {
+		type: DataTypes.STRING,
+		allowNull: false
+	},
+	lastname: {
+		type: DataTypes.STRING,
+		allowNull: false
+	},
+	birthday: {
+		type: DataTypes.DATE,
+		allowNull: false
+	},
+	telephone: DataTypes.STRING,
+	username: {
+		type: DataTypes.STRING,
+		allowNull: false
+	},
+	playertype: {
+		type: DataTypes.ENUM('java', 'bedrock', 'cracked'),
+		allowNull: false
+	},
+	password: DataTypes.TEXT,
+	uuid: {
+		type: DataTypes.UUIDV4,
+		allowNull: false
+	}
+});

src/lib/server/minecraft.test.ts

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+import { describe, expect, test } from 'vitest';
+import { getBedrockUuid, getCrackedUuid, getJavaUuid } from '$lib/server/minecraft';
+
+describe('java username', () => {
+	test('is valid', async () => {
+		expect(getJavaUuid('bytedream')).resolves.toBe('9aa026cc-b5dc-4357-a319-ab668101af0d');
+	});
+	test('is invalid', async () => {
+		expect(getJavaUuid('57eoTQaLYchmETrTsWnNZXtZh')).rejects.toThrowError();
+	});
+});
+
+describe('bedrock username', () => {
+	test('is valid', async () => {
+		expect(getBedrockUuid('bytedream')).resolves.toBe('00000000-0000-0000-0009-01F5BF975D37');
+	});
+	test('is invalid', async () => {
+		expect(getBedrockUuid('57eoTQaLYchmETrTsWnNZXtZh')).rejects.toThrowError();
+	});
+});
+
+describe('cracked username', () => {
+	// every username can be converted to an uuid so every user id automatically valid
+	test('is valid', () => {
+		expect(getCrackedUuid('bytedream')).toBe('88de3863-bf47-30f9-a7f4-ab6134feb49a');
+	});
+});

src/lib/server/minecraft.ts

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+import { createHash } from 'node:crypto';
+
+export class UserNotFoundError extends Error {
+	constructor(username: string) {
+		super(`Ein Spieler mit dem Namen '${username}' konnte nicht gefunden werden`);
+	}
+}
+
+export async function getJavaUuid(username: string): Promise<string> {
+	const response = await fetch(`https://api.mojang.com/users/profiles/minecraft/${username}`);
+	if (!response.ok) {
+		throw response.status < 500
+			? new UserNotFoundError(username)
+			: new Error(`mojang server error (${response.status}): ${await response.text()}`);
+	}
+	const json = await response.json();
+	const id: string = json['id'];
+	// prettier-ignore
+	return `${id.substring(0, 8)}-${id.substring(8, 12)}-${id.substring(12, 16)}-${id.substring(16, 20)}-${id.substring(20)}`;
+}
+
+// https://github.com/carlop3333/XUIDGrabber/blob/main/grabber.js
+export async function getBedrockUuid(username: string): Promise<string> {
+	const initialPageResponse = await fetch('https://cxkes.me/xbox/xuid');
+	const initialPageContent = await initialPageResponse.text();
+	const token = /name="_token"\svalue="(?<token>\w+)"/.exec(initialPageContent)?.groups?.token;
+	if (token === undefined) throw new Error("couldn't grab token from xuid converter website");
+
+	const cookies = initialPageResponse.headers.get('set-cookie')?.split(' ');
+	if (cookies === undefined)
+		throw new Error("couldn't get response cookies from xuid converter website");
+	else if (cookies.length < 11) throw new Error('xuid converter website sent unexpected cookies');
+
+	const requestBody = new URLSearchParams();
+	requestBody.set('_token', token);
+	requestBody.set('gamertag', username);
+
+	const resultPageResponse = await fetch('https://cxkes.me/xbox/xuid', {
+		method: 'post',
+		body: requestBody,
+		// prettier-ignore
+		headers: {
+			'Host': 'www.cxkes.me',
+			'Accept-Encoding': 'gzip, deflate,br',
+			'Content-Length': Buffer.byteLength(requestBody.toString()).toString(),
+			'Origin': 'https://www.cxkes.me',
+			'DNT': '1',
+			'Connection': 'keep-alive',
+			'Referer': 'https://www.cxkes.me/xbox/xuid',
+			'Cookie': `${cookies[0]} ${cookies[10].slice(0, cookies[10].length - 1)}`,
+			'Upgrade-Insecure-Requests': '1',
+			'Sec-Fectch-Dest': 'document',
+			'Sec-Fetch-Mode': 'navigate',
+			'Sec-Fetch-Site': 'same-origin',
+			'Sec-Fetch-User': '?1',
+			'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0',
+			'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8',
+			'Accept-Language': 'es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3',
+			'Content-Type': 'application/x-www-form-urlencoded'
+		}
+	});
+	const resultPageContent = await resultPageResponse.text();
+	let xuid: string | undefined;
+	if ((xuid = /id="xuidHex">(?<xuid>\w+)</.exec(resultPageContent)?.groups?.xuid) === undefined) {
+		throw new UserNotFoundError(username);
+	}
+	return `00000000-0000-0000-${xuid.substring(0, 4)}-${xuid.substring(4)}`;
+}
+
+// https://gist.github.com/yushijinhun/69f68397c5bb5bee76e80d192295f6e0
+export function getCrackedUuid(username: string): string {
+	const data = createHash('md5').update(`OfflinePlayer:${username}`).digest('binary').split('');
+	data[6] = String.fromCharCode((data[6].charCodeAt(0) & 0x0f) | 0x30);
+	data[8] = String.fromCharCode((data[8].charCodeAt(0) & 0x3f) | 0x80);
+	const uid = Buffer.from(data.join(''), 'ascii').toString('hex');
+	// prettier-ignore
+	return `${uid.substring(0, 8)}-${uid.substring(8, 12)}-${uid.substring(12, 16)}-${uid.substring(16, 20)}-${uid.substring(20)}`;
+}