add offline as an auth mode

docs/API.md

@@ -81,7 +81,7 @@ Returns a `Client` instance and perform login.
 `options` is an object containing the properties :
  * username
  * port : default to 25565
- * auth : the type of account to use, either `microsoft` or `mojang`. default to 'microsoft'
+ * auth : the type of account to use, either `microsoft`, `mojang` or `offline`. default to 'microsoft'
  * password : can be omitted
    * (microsoft account) leave this blank to use device code auth. If you provide
    a password, we try to do username and password auth, but this does not always work.

docs/README.md

@@ -78,7 +78,7 @@ var client = mc.createClient({
   port: 25565,         // optional
   username: "email@example.com",
   password: "12345678",
-  auth: 'microsoft' // optional; by default uses microsoft
+  auth: 'microsoft' // optional; by default uses microsoft ; mojang or offline are also valid values
 });
 client.on('chat', function(packet) {
   // Listen for chat messages and echo them back.
@@ -92,7 +92,7 @@ client.on('chat', function(packet) {
 });
 ```
 
-If the server is in offline mode, you may leave out the `password` option.
+If the server is in offline mode, you may leave out the `password` option. In this case set auth to "offline".
 You can also leave out `password` when using a Microsoft account. If provided, password based auth will be attempted first which may fail. *Note:* if using a Microsoft account, your account age must be >= 18 years old.
 
 ### Hello World server example

examples/client_electron/renderer/index.js

@@ -18,7 +18,7 @@ document.getElementById('connect').addEventListener('click', () => {
     username: document.getElementById('username').value,
     password: document.getElementById('password').value === '' ? undefined : document.getElementById('password').value
   }
-  if (authType.value === 'Microsoft') {
+  if (authType.value === '' || authType.value === 'Microsoft') {
     data.auth = 'microsoft'
     delete data.password
   }

examples/client_microsoft_auth/client_microsoft_auth.js

@@ -12,8 +12,7 @@ const client = mc.createClient({
   host,
   port: parseInt(port),
   username: userOrEmail, // your microsoft account email
-  password: password, // your microsoft account password
-  auth: 'microsoft' // This option must be present and set to 'microsoft' to use Microsoft Account Authentication. Failure to do so will result in yggdrasil throwing invalid account information.
+  password: password // your microsoft account password
 })
 
 client.on('connect', function () {

examples/client_microsoft_auth/client_msal_auth.js

@@ -10,9 +10,8 @@ if (process.argv.length < 4 || process.argv.length > 6) {
 const client = mc.createClient({
   host: process.argv[2],
   port: parseInt(process.argv[3]),
-  username: process.argv[4], // your microsoft account email
+  username: process.argv[4] // your microsoft account email
   //   password: process.argv[5], // your microsoft account password
-  auth: 'microsoft' // This option must be present and set to 'microsoft' to use Microsoft Account Authentication. Failure to do so will result in yggdrasil throwing invalid account information.
 })
 
 client.on('connect', function () {

examples/proxy/proxy.js

@@ -96,7 +96,8 @@ srv.on('login', function (client) {
     port: port,
     username: client.username,
     keepAlive: false,
-    version: version
+    version: version,
+    auth: 'offline'
   })
   client.on('packet', function (data, meta) {
     if (targetClient.state === states.PLAY && meta.state === states.PLAY) {

src/createClient.js

@@ -34,10 +34,12 @@ function createClient (options) {
   const client = new Client(false, version.minecraftVersion, options.customPackets, hideErrors)
 
   tcpDns(client, options)
-  if (options.auth === 'microsoft') {
-    microsoftAuth.authenticate(client, options)
-  } else {
-    auth(client, options)
+  if (options.auth !== 'offline') {
+    if (options.auth === 'microsoft' || options.auth === undefined) {
+      microsoftAuth.authenticate(client, options)
+    } else if (options.auth === 'mojang') {
+      auth(client, options)
+    }
   }
   if (options.version === false) autoVersion(client, options)
   setProtocol(client, options)

src/index.d.ts

@@ -80,7 +80,7 @@ declare module 'minecraft-protocol' {
 	export interface ClientOptions {
 		username: string
 		port?: number
-		auth?: 'mojang' | 'microsoft'
+		auth?: 'mojang' | 'microsoft' | 'offline'
 		password?: string
 		host?: string
 		clientToken?: string

test/clientTest.js

@@ -100,7 +100,8 @@ for (const supportedVersion of mc.supportedVersions) {
         const client = mc.createClient({
           username: 'Player',
           version: version.minecraftVersion,
-          port: PORT
+          port: PORT,
+          auth: 'offline'
         })
         client.on('error', err => done(err))
         const lineListener = function (line) {
@@ -149,7 +150,8 @@ for (const supportedVersion of mc.supportedVersions) {
         const client = mc.createClient({
           username: 'Player',
           version: version.minecraftVersion,
-          port: PORT
+          port: PORT,
+          auth: 'offline'
         })
         client.on('error', err => done(err))
         client.on('login', function () {
@@ -167,7 +169,8 @@ for (const supportedVersion of mc.supportedVersions) {
         const client = mc.createClient({
           username: 'Player',
           version: version.minecraftVersion === '1.8.8' ? '1.11.2' : '1.8.8',
-          port: PORT
+          port: PORT,
+          auth: 'offline'
         })
         client.once('error', function (err) {
           if (err.message.startsWith('This server is version')) {
@@ -215,7 +218,8 @@ for (const supportedVersion of mc.supportedVersions) {
           username: process.env.MC_USERNAME,
           password: process.env.MC_PASSWORD,
           version: version.minecraftVersion,
-          port: PORT
+          port: PORT,
+          auth: 'offline'
         })
         client.on('error', err => done(err))
         const lineListener = function (line) {
@@ -252,7 +256,8 @@ for (const supportedVersion of mc.supportedVersions) {
         const client = mc.createClient({
           username: 'Player',
           version: version.minecraftVersion,
-          port: PORT
+          port: PORT,
+          auth: 'offline'
         })
         client.on('error', err => done(err))
         let gotKicked = false