createClientStream() takes a stream

src/browser.js

@@ -1,8 +1,10 @@
+var createClientStream = require('./createClientStream');
 var Client = require('./client');
 var Server = require('./server');
 var serializer = require("./transforms/serializer");
 
 module.exports = {
+  createClientStream: createClientStream,
   Client: Client,
   Server: Server,
   states: require("./states"),

src/createClientStream.js

@@ -1,41 +1,15 @@
-var ursa=require("./ursa");
-var net = require('net');
-var dns = require('dns');
 var Client = require('./client');
 var assert = require('assert');
-var crypto = require('crypto');
-var yggdrasil = require('yggdrasil')({});
-var yggserver = require('yggdrasil').server({});
 var states = require("./states");
-var debug = require("./debug");
-var uuid = require('uuid');
 
-module.exports=createClient;
+module.exports=createClientStream;
 
-Client.prototype.connect = function(port, host) {
-  var self = this;
-  if(port == 25565 && net.isIP(host) === 0) {
-    dns.resolveSrv("_minecraft._tcp." + host, function(err, addresses) {
-      if(addresses && addresses.length > 0) {
-        self.setSocket(net.connect(addresses[0].port, addresses[0].name));
-      } else {
-        self.setSocket(net.connect(port, host));
-      }
-    });
-  } else {
-    self.setSocket(net.connect(port, host));
-  }
-};
-
-function createClient(options) {
+function createClientStream(options) {
   assert.ok(options, "options is required");
-  var port = options.port || 25565;
-  var host = options.host || 'localhost';
-  var clientToken = options.clientToken || uuid.v4();
-  var accessToken;
+  var stream = options.stream;
+  assert.ok(stream, "stream is required");
 
   assert.ok(options.username, "username is required");
-  var haveCredentials = options.password != null || (clientToken != null && options.session != null);
   var keepAlive = options.keepAlive == null ? true : options.keepAlive;
   var checkTimeoutInterval = options.checkTimeoutInterval || 10 * 1000;
 
@@ -43,65 +17,19 @@ function createClient(options) {
   var mcData=require("minecraft-data")(optVersion);
   var version = mcData.version;
 
-
   var client = new Client(false,version.majorVersion);
-  client.on('connect', onConnect);
+
   if(keepAlive) client.on('keep_alive', onKeepAlive);
-  client.once('encryption_begin', onEncryptionKeyRequest);
   client.once('success', onLogin);
   client.once("compress", onCompressionRequest);
   client.on("set_compression", onCompressionRequest);
-  if(haveCredentials) {
-    // make a request to get the case-correct username before connecting.
-    var cb = function(err, session) {
-      if(err) {
-        client.emit('error', err);
-      } else {
-        client.session = session;
-        client.username = session.selectedProfile.name;
-        accessToken = session.accessToken;
-        client.emit('session');
-        client.connect(port, host);
-      }
-    };
 
-    if (options.session) {
-      yggdrasil.validate(options.session.accessToken, function(ok) {
-        if (ok)
-          cb(null, options.session);
-        else
-          yggdrasil.refresh(options.session.accessToken, options.session.clientToken, function(err, _, data) {
-            cb(err, data);
-          });
-      });
-    }
-    else yggdrasil.auth({
-      user: options.username,
-      pass: options.password,
-      token: clientToken
-    }, cb);
-  } else {
-    // assume the server is in offline mode and just go for it.
-    client.username = options.username;
-    client.connect(port, host);
-  }
+  client.username = options.username;
+  client.setSocket(stream);
 
   var timeout = null;
   return client;
 
-  function onConnect() {
-    client.write('set_protocol', {
-      protocolVersion: version.version,
-      serverHost: host,
-      serverPort: port,
-      nextState: 2
-    });
-    client.state = states.LOGIN;
-    client.write('login_start', {
-      username: client.username
-    });
-  }
-
   function onCompressionRequest(packet) {
     client.compressionThreshold = packet.threshold;
   }
@@ -114,69 +42,9 @@ function createClient(options) {
     });
   }
 
-  function onEncryptionKeyRequest(packet) {
-    crypto.randomBytes(16, gotSharedSecret);
-
-    function gotSharedSecret(err, sharedSecret) {
-      if(err) {
-        debug(err);
-        client.emit('error', err);
-        client.end();
-        return;
-      }
-      if(haveCredentials) {
-        joinServerRequest(onJoinServerResponse);
-      } else {
-        if(packet.serverId != '-') {
-          debug('This server appears to be an online server and you are providing no password, the authentication will probably fail');
-        }
-        sendEncryptionKeyResponse();
-      }
-
-      function onJoinServerResponse(err) {
-        if(err) {
-          client.emit('error', err);
-          client.end();
-        } else {
-          sendEncryptionKeyResponse();
-        }
-      }
-
-      function joinServerRequest(cb) {
-        yggserver.join(accessToken, client.session.selectedProfile.id,
-            packet.serverId, sharedSecret, packet.publicKey, cb);
-      }
-
-      function sendEncryptionKeyResponse() {
-        var pubKey = mcPubKeyToURsa(packet.publicKey);
-        var encryptedSharedSecretBuffer = pubKey.encrypt(sharedSecret, undefined, undefined, ursa.RSA_PKCS1_PADDING);
-        var encryptedVerifyTokenBuffer = pubKey.encrypt(packet.verifyToken, undefined, undefined, ursa.RSA_PKCS1_PADDING);
-        client.write('encryption_begin', {
-          sharedSecret: encryptedSharedSecretBuffer,
-          verifyToken: encryptedVerifyTokenBuffer
-        });
-        client.setEncryption(sharedSecret);
-      }
-    }
-  }
-
   function onLogin(packet) {
     client.state = states.PLAY;
     client.uuid = packet.uuid;
     client.username = packet.username;
   }
 }
-
-
-
-function mcPubKeyToURsa(mcPubKeyBuffer) {
-  var pem = "-----BEGIN PUBLIC KEY-----\n";
-  var base64PubKey = mcPubKeyBuffer.toString('base64');
-  var maxLineLength = 65;
-  while(base64PubKey.length > 0) {
-    pem += base64PubKey.substring(0, maxLineLength) + "\n";
-    base64PubKey = base64PubKey.substring(maxLineLength);
-  }
-  pem += "-----END PUBLIC KEY-----\n";
-  return ursa.createPublicKey(pem, 'utf8');
-}

src/index.js

@@ -2,10 +2,12 @@ var Client = require('./client');
 var Server = require('./server');
 var serializer = require("./transforms/serializer");
 var createClient = require("./createClient");
+var createClientStream = require("./createClientStream");
 var createServer = require("./createServer");
 
 module.exports = {
   createClient: createClient,
+  createClientStream: createClientStream,
   createServer: createServer,
   Client: Client,
   Server: Server,