minecraft-java-core
Version:
A library starting minecraft game NW.js and Electron.js
319 lines • 13.2 kB
JavaScript
/**
* This code is distributed under the CC-BY-NC 4.0 license:
* https://creativecommons.org/licenses/by-nc/4.0/
*
* Original author: Luuxis
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const node_buffer_1 = require("node:buffer");
const crypto_1 = __importDefault(require("crypto"));
// Utility function to fetch and convert an image to base64
async function getBase64(url) {
const response = await fetch(url);
const arrayBuffer = await response.arrayBuffer();
const buffer = node_buffer_1.Buffer.from(arrayBuffer);
return buffer.toString('base64');
}
class Microsoft {
/**
* Creates a Microsoft auth instance.
* @param client_id Your Microsoft OAuth client ID (default: '00000000402b5328' if none provided).
*/
constructor(client_id) {
if (!client_id) {
client_id = '00000000402b5328';
}
this.client_id = client_id;
// Determine if we're running under Electron, NW.js, or just in a terminal
if (typeof process !== 'undefined' && process.versions && process.versions.electron) {
this.type = 'electron';
}
else if (typeof process !== 'undefined' && process.versions && process.versions.nw) {
this.type = 'nwjs';
}
else {
this.type = 'terminal';
}
}
/**
* Opens a GUI (Electron or NW.js) or uses terminal approach to fetch an OAuth2 code,
* and then retrieves user information from Microsoft if successful.
*
* @param type The environment to open the OAuth window. Defaults to the auto-detected type.
* @param url The full OAuth2 authorization URL. If not provided, a default is used.
* @returns An object with user data on success, or false if canceled.
*/
async getAuth(type, url) {
const finalType = type || this.type;
const finalUrl = url ||
`https://login.live.com/oauth20_authorize.srf?client_id=${this.client_id}&response_type=code&redirect_uri=https://login.live.com/oauth20_desktop.srf&scope=XboxLive.signin%20offline_access&cobrandid=8058f65d-ce06-4c30-9559-473c9275a65d&prompt=select_account`;
// Dynamically require different GUI modules depending on environment
let userCode;
switch (finalType) {
case 'electron':
userCode = await (require('./GUI/Electron.js'))(finalUrl);
break;
case 'nwjs':
userCode = await (require('./GUI/NW.js'))(finalUrl);
break;
case 'terminal':
userCode = await (require('./GUI/Terminal.js'))(finalUrl);
break;
default:
return false;
}
if (userCode === 'cancel') {
return false;
}
// Exchange the code for an OAuth2 token, then retrieve account data
return this.exchangeCodeForToken(userCode);
}
/**
* Exchanges an OAuth2 authorization code for an access token, then retrieves account information.
* @param code The OAuth2 authorization code returned by Microsoft.
* @returns The authenticated user data or an error object.
*/
async exchangeCodeForToken(code) {
try {
const response = await fetch('https://login.live.com/oauth20_token.srf', {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `client_id=${this.client_id}&code=${code}&grant_type=authorization_code&redirect_uri=https://login.live.com/oauth20_desktop.srf`
});
const oauth2 = await response.json();
if (oauth2.error) {
return { error: oauth2.error, errorType: 'oauth2', ...oauth2 };
}
return this.getAccount(oauth2);
}
catch (err) {
return { error: err.message, errorType: 'network' };
}
}
/**
* Refreshes the user's session if the token has expired or is about to expire.
* Otherwise, simply fetches the user's profile.
*
* @param acc A previously obtained AuthResponse object.
* @returns Updated AuthResponse (with new token if needed) or an error object.
*/
async refresh(acc) {
const timeStamp = Math.floor(Date.now() / 1000);
// If the token is still valid for at least 2 more hours, just re-fetch the profile
if (timeStamp < (acc?.meta?.access_token_expires_in - 7200)) {
const updatedProfile = await this.getProfile({ access_token: acc.access_token });
if ('error' in updatedProfile) {
// If there's an error, return it directly
return updatedProfile;
}
acc.profile = {
skins: updatedProfile.skins,
capes: updatedProfile.capes
};
return acc;
}
// Otherwise, refresh the token
try {
const response = await fetch('https://login.live.com/oauth20_token.srf', {
method: 'POST',
headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
body: `grant_type=refresh_token&client_id=${this.client_id}&refresh_token=${acc.refresh_token}`
});
const oauth2 = await response.json();
if (oauth2.error) {
return { error: oauth2.error, errorType: 'oauth2', ...oauth2 };
}
// Retrieve account data with the new tokens
return this.getAccount(oauth2);
}
catch (err) {
return { error: err.message, errorType: 'network' };
}
}
/**
* Retrieves and assembles the full account details (Xbox Live, XSTS, Minecraft).
* @param oauth2 The token object returned by the Microsoft OAuth endpoint.
* @returns A fully populated AuthResponse object or an error.
*/
async getAccount(oauth2) {
// 1. Authenticate with Xbox Live
const xblResponse = await this.fetchJSON('https://user.auth.xboxlive.com/user/authenticate', {
method: 'POST',
headers: { 'Content-Type': 'application/json', Accept: 'application/json' },
body: JSON.stringify({
Properties: {
AuthMethod: 'RPS',
SiteName: 'user.auth.xboxlive.com',
RpsTicket: `d=${oauth2.access_token}`
},
RelyingParty: 'http://auth.xboxlive.com',
TokenType: 'JWT'
})
});
if (xblResponse.error) {
return { ...xblResponse, errorType: 'xbl' };
}
// 2. Authorize with XSTS for Minecraft services
const xstsResponse = await this.fetchJSON('https://xsts.auth.xboxlive.com/xsts/authorize', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
Properties: {
SandboxId: 'RETAIL',
UserTokens: [xblResponse.Token]
},
RelyingParty: 'rp://api.minecraftservices.com/',
TokenType: 'JWT'
})
});
if (xstsResponse.error) {
return { ...xstsResponse, errorType: 'xsts' };
}
// 3. Authorize for the standard Xbox Live realm (useful for xuid/gamertag)
const xboxAccount = await this.fetchJSON('https://xsts.auth.xboxlive.com/xsts/authorize', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
Properties: {
SandboxId: 'RETAIL',
UserTokens: [xblResponse.Token]
},
RelyingParty: 'http://xboxlive.com',
TokenType: 'JWT'
})
});
if (xboxAccount.error) {
return { ...xboxAccount, errorType: 'xboxAccount' };
}
// 4. Get a launcher token from Minecraft services
const launchResponse = await this.fetchJSON('https://api.minecraftservices.com/launcher/login', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
xtoken: `XBL3.0 x=${xblResponse.DisplayClaims.xui[0].uhs};${xstsResponse.Token}`,
platform: 'PC_LAUNCHER'
})
});
if (launchResponse.error) {
return { ...launchResponse, errorType: 'launch' };
}
// 5. Login with Xbox token to get a Minecraft token
const mcLogin = await this.fetchJSON('https://api.minecraftservices.com/authentication/login_with_xbox', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
identityToken: `XBL3.0 x=${xblResponse.DisplayClaims.xui[0].uhs};${xstsResponse.Token}`
})
});
if (mcLogin.error) {
return { ...mcLogin, errorType: 'mcLogin' };
}
// 6. Check if the account has purchased Minecraft
const hasGame = await this.fetchJSON('https://api.minecraftservices.com/entitlements/mcstore', {
method: 'GET',
headers: {
Authorization: `Bearer ${mcLogin.access_token}`
}
});
if (!hasGame.items?.find((i) => i.name === 'product_minecraft' || i.name === 'game_minecraft')) {
return {
error: "You don't own the game",
errorType: 'game'
};
}
// 7. Fetch the user profile (skins, capes, etc.)
const profile = await this.getProfile(mcLogin);
if ('error' in profile) {
return { ...profile, errorType: 'profile' };
}
// Build and return the final AuthResponse object
return {
access_token: mcLogin.access_token,
client_token: crypto_1.default.randomBytes(16).toString('hex'),
uuid: profile.id,
name: profile.name,
refresh_token: oauth2.refresh_token,
user_properties: '{}',
meta: {
type: 'Xbox',
access_token_expires_in: mcLogin.expires_in + Math.floor(Date.now() / 1000),
demo: false // If there's an error retrieving the profile, you can set this to true
},
xboxAccount: {
xuid: xboxAccount.DisplayClaims.xui[0].xid,
gamertag: xboxAccount.DisplayClaims.xui[0].gtg,
ageGroup: xboxAccount.DisplayClaims.xui[0].agg
},
profile: {
skins: profile.skins,
capes: profile.capes
}
};
}
/**
* Fetches the Minecraft profile (including skins and capes) for a given access token,
* then converts each skin/cape URL to base64.
*
* @param mcLogin An object containing `access_token` to call the Minecraft profile API.
* @returns The user's Minecraft profile or an error object.
*/
async getProfile(mcLogin) {
try {
const response = await fetch('https://api.minecraftservices.com/minecraft/profile', {
method: 'GET',
headers: {
Authorization: `Bearer ${mcLogin.access_token}`
}
});
const profile = await response.json();
if (profile.error) {
return { error: profile.error };
}
// Convert each skin and cape to base64
if (Array.isArray(profile.skins)) {
for (const skin of profile.skins) {
if (skin.url) {
skin.base64 = `data:image/png;base64,${await getBase64(skin.url)}`;
}
}
}
if (Array.isArray(profile.capes)) {
for (const cape of profile.capes) {
if (cape.url) {
cape.base64 = `data:image/png;base64,${await getBase64(cape.url)}`;
}
}
}
return {
id: profile.id,
name: profile.name,
skins: profile.skins || [],
capes: profile.capes || []
};
}
catch (err) {
return { error: err.message };
}
}
/**
* A helper method to perform fetch and parse JSON.
* @param url The endpoint URL.
* @param options fetch options (method, headers, body, etc.).
* @returns The parsed JSON or an object with an error field if something goes wrong.
*/
async fetchJSON(url, options) {
try {
const response = await fetch(url, options);
return response.json();
}
catch (err) {
return { error: err.message };
}
}
}
exports.default = Microsoft;
//# sourceMappingURL=Microsoft.js.map
;