Added CLI

lib/cli.dart

@@ -0,0 +1,382 @@
+import 'dart:collection';
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:args/args.dart';
+import 'package:process_run/shell.dart';
+import 'package:reboot_launcher/src/model/fortnite_version.dart';
+import 'package:reboot_launcher/src/model/game_type.dart';
+import 'package:reboot_launcher/src/util/binary.dart';
+import 'package:reboot_launcher/src/util/injector.dart';
+import 'package:reboot_launcher/src/util/patcher.dart';
+import 'package:reboot_launcher/src/util/reboot.dart';
+import 'package:reboot_launcher/src/util/server_standalone.dart';
+import 'package:shelf_proxy/shelf_proxy.dart';
+import 'package:win32_suspend_process/win32_suspend_process.dart';
+import 'dart:ffi';
+
+import 'package:ffi/ffi.dart';
+import 'package:win32/win32.dart';
+import 'package:shelf/shelf_io.dart' as shelf_io;
+import 'package:http/http.dart' as http;
+
+const String _craniumDownload = "https://cdn.discordapp.com/attachments/1001161930599317524/1027684488718860309/cranium.dll";
+const String _consoleDownload = "https://cdn.discordapp.com/attachments/1001161930599317524/1027684489184432188/console.dll";
+const String _injectorDownload = "https://cdn.discordapp.com/attachments/1001161930599317524/1027686593697435799/injector.exe";
+
+Process? _gameProcess;
+
+void main(List<String> args){
+  handleCLI(args);
+}
+
+Future<Map<String, dynamic>> _getControllerJson(String name) async {
+  var folder = await _getWindowsPath(FOLDERID_Documents);
+  if(folder == null){
+    throw Exception("Missing documents folder");
+  }
+
+  var file = File("$folder/$name.gs");
+  if(!file.existsSync()){
+    return HashMap();
+  }
+
+  return jsonDecode(file.readAsStringSync());
+}
+
+Future<String?> _getWindowsPath(String folderID) {
+  final Pointer<Pointer<Utf16>> pathPtrPtr = calloc<Pointer<Utf16>>();
+  final Pointer<GUID> knownFolderID = calloc<GUID>()..ref.setGUID(folderID);
+
+  try {
+    final int hr = SHGetKnownFolderPath(
+      knownFolderID,
+      KF_FLAG_DEFAULT,
+      NULL,
+      pathPtrPtr,
+    );
+
+    if (FAILED(hr)) {
+      if (hr == E_INVALIDARG || hr == E_FAIL) {
+        throw WindowsException(hr);
+      }
+      return Future<String?>.value();
+    }
+
+    final String path = pathPtrPtr.value.toDartString();
+    return Future<String>.value(path);
+  } finally {
+    calloc.free(pathPtrPtr);
+    calloc.free(knownFolderID);
+  }
+}
+
+Future<void> handleCLI(List<String> args) async {
+  stdout.writeln("Reboot Launcher CLI Tool");
+  stdout.writeln("Wrote by Auties00");
+  stdout.writeln("Version 3.10");
+
+  var gameJson = await _getControllerJson("game1");
+  var serverJson = await _getControllerJson("server1");
+  var versions = _getVersions(gameJson);
+  var parser = ArgParser()
+    ..addCommand("list")..addCommand("launch")
+    ..addOption("version", defaultsTo: gameJson["version"])
+    ..addOption("username")
+    ..addOption("server-type", allowed: ["embedded", "remote"], defaultsTo: serverJson["embedded"] ?? true ? "embedded" : "remote")
+    ..addOption("server-host", defaultsTo: serverJson["host"])
+    ..addOption("server-port", defaultsTo: serverJson["port"])
+    ..addOption("type", allowed: ["client", "server", "headless_server"], defaultsTo: _getDefaultType(gameJson))
+    ..addFlag("update", defaultsTo: true, negatable: true)
+    ..addFlag("log", defaultsTo: false);
+  var result = parser.parse(args);
+  if (result.command?.name == "list") {
+    stdout.writeln("Versions list: ");
+    versions.map((entry) => "${entry.location.path}(${entry.name})")
+        .forEach((element) => stdout.writeln(element));
+    return;
+  }
+
+  var type = _getType(result);
+  var username = result["username"];
+  username ??= gameJson["${type == GameType.client ? "game" : "server"}_username"];
+
+  var dummyVersion = _createVersion(gameJson["version"], result["version"], versions);
+  await _updateDLLs();
+  if(result["update"]) {
+    stdout.writeln("Updating DLL...");
+    await downloadRebootDll(0);
+  }
+
+  stdout.writeln("Launching game(type: ${type.name})...");
+  await _startLauncherProcess(dummyVersion);
+  await _startEacProcess(dummyVersion);
+  if (result["type"] == "headless_server") {
+    await patchExe(dummyVersion.executable!);
+  }
+
+  var started = await _startServerIfNeeded(result);
+  if(!started){
+    stderr.writeln("Cannot start server!");
+    return;
+  }
+
+  await _startGameProcess(dummyVersion, type != GameType.client, result);
+  await _injectOrShowError("cranium.dll");
+}
+
+GameType _getType(ArgResults result) {
+  var type = result["type"];
+  switch(type){
+    case "client":
+      return GameType.client;
+
+    case "server":
+      return GameType.server;
+
+    case "headless_server":
+      return GameType.headlessServer;
+
+    default:
+      throw Exception("Unknown game type: $result. Use --type only with client, server or headless_server");
+  }
+}
+
+String _getDefaultType(Map<String, dynamic> json){
+  var type = GameType.values.elementAt(json["type"] ?? 0);
+  switch(type){
+    case GameType.client:
+      return "client";
+    case GameType.server:
+      return "server";
+    case GameType.headlessServer:
+      return "headless_server";
+  }
+}
+
+Future<void> _updateDLLs() async {
+  stdout.writeln("Downloading necessary components...");
+  var consoleDll = await loadBinary("console.dll", true);
+  if(!consoleDll.existsSync()){
+    var response = await http.get(Uri.parse(_consoleDownload));
+    if(response.statusCode != 200){
+      throw Exception("Cannot download console.dll");
+    }
+
+    await consoleDll.writeAsBytes(response.bodyBytes);
+  }
+
+  var craniumDll = await loadBinary("cranium.dll", true);
+  if(!craniumDll.existsSync()){
+    var response = await http.get(Uri.parse(_craniumDownload));
+    if(response.statusCode != 200){
+      throw Exception("Cannot download cranium.dll");
+    }
+
+    await craniumDll.writeAsBytes(response.bodyBytes);
+  }
+
+  var injectorExe = await loadBinary("injector.exe", true);
+  if(!injectorExe.existsSync()){
+    var response = await http.get(Uri.parse(_injectorDownload));
+    if(response.statusCode != 200){
+      throw Exception("Cannot download injector");
+    }
+
+    await injectorExe.writeAsBytes(response.bodyBytes);
+  }
+}
+
+List<FortniteVersion> _getVersions(Map<String, dynamic> gameJson) {
+  Iterable iterable = jsonDecode(gameJson["versions"] ?? "[]");
+  return iterable.map((entry) => FortniteVersion.fromJson(entry))
+      .toList();
+}
+
+Future<void> _startGameProcess(FortniteVersion dummyVersion, bool host, ArgResults result) async {
+  var gamePath = dummyVersion.executable?.path;
+  if (gamePath == null) {
+    throw Exception("${dummyVersion.location
+        .path} no longer contains a Fortnite executable. Did you delete it?");
+  }
+
+  var username = result["username"];
+  if (username == null) {
+    username = "Reboot${host ? 'Host' : 'Player'}";
+    stdout.writeln("No username was specified, using $username by default. Use --username to specify one");
+  }
+
+  var verbose = result["log"];
+  _gameProcess = await Process.start(gamePath, createRebootArgs(username, result["type"] == "headless_server"))
+    ..exitCode.then((_) => _onClose())
+    ..outLines.forEach((line) => _onGameOutput(line, host, verbose));
+}
+
+void _onClose() {
+  stdout.writeln("The game was closed");
+  exit(0);
+}
+
+Future<void> _startEacProcess(FortniteVersion dummyVersion) async {
+  if (dummyVersion.eacExecutable == null) {
+    return;
+  }
+
+  var process = await Process.start(dummyVersion.eacExecutable!.path, []);
+  Win32Process(process.pid).suspend();
+}
+
+Future<void> _startLauncherProcess(FortniteVersion dummyVersion) async {
+  if (dummyVersion.launcher == null) {
+    return;
+  }
+
+  var process = await Process.start(dummyVersion.launcher!.path, []);
+  Win32Process(process.pid).suspend();
+}
+
+Future<bool> _startServerIfNeeded(ArgResults result) async {
+  stdout.writeln("Starting lawin server...");
+  if (!await isLawinPortFree()) {
+    stdout.writeln("A lawin server is already active");
+    return true;
+  }
+
+  if (result["server-type"] == "embedded") {
+    stdout.writeln("Starting an embedded server...");
+    return  await _changeEmbeddedServerState();
+  }
+
+  var host = result["server-host"];
+  var port = result["server-port"];
+  stdout.writeln("Starting a reverse proxy to $host:$port");
+  return await _changeReverseProxyState(host, port) != null;
+}
+
+Future<bool> _changeEmbeddedServerState() async {
+  var nodeProcess = await Process.run("where", ["node"]);
+  if(nodeProcess.exitCode != 0) {
+    throw Exception("Missing node, cannot start embedded server");
+  }
+
+  if(!serverLocation.existsSync()) {
+    await downloadServer(false);
+  }
+
+  var serverRunner = File("${serverLocation.path}/start.bat");
+  if (!(await serverRunner.exists())) {
+    return false;
+  }
+
+  var nodeModules = Directory("${serverLocation.path}/node_modules");
+  if (!(await nodeModules.exists())) {
+    await Process.run("${serverLocation.path}/install_packages.bat", [],
+        workingDirectory: serverLocation.path);
+  }
+
+  await Process.start(serverRunner.path, [],  workingDirectory: serverLocation.path);
+  return true;
+}
+
+Future<HttpServer?> _changeReverseProxyState(String host, String port) async {
+  host = host.trim();
+  if(host.isEmpty){
+    throw Exception("Missing host name");
+  }
+
+  port = port.trim();
+  if(port.isEmpty){
+    throw Exception("Missing port");
+  }
+
+  if(int.tryParse(port) == null){
+    throw Exception("Invalid port, use only numbers");
+  }
+
+  try{
+    var uri = await ping(host, port);
+    if(uri == null){
+      return null;
+    }
+
+    return await shelf_io.serve(proxyHandler(uri), "127.0.0.1", 3551);
+  }catch(error){
+    throw Exception("Cannot start reverse proxy");
+  }
+}
+
+
+FortniteVersion _createVersion(String? versionName, String? versionPath, List<FortniteVersion> versions) {
+  if(versionName != null){
+    try {
+      return versions.firstWhere((element) => versionName == element.name);
+    }catch(_){
+      throw Exception("Cannot find version $versionName");
+    }
+  }
+
+  if (versionPath == null) {
+    throw Exception(
+        "Specify a version using --version or open the launcher GUI and select it manually");
+  }
+
+  return FortniteVersion(name: "dummy", location: Directory(versionPath));
+}
+
+void _onGameOutput(String line, bool host, bool verbose) {
+  if(verbose) {
+    stdout.writeln(line);
+  }
+
+  if (line.contains("FOnlineSubsystemGoogleCommon::Shutdown()")) {
+    return;
+  }
+
+  if(line.contains("port 3551 failed: Connection refused")){
+    stderr.writeln("Connection refused from lawin server");
+    return;
+  }
+
+  if(line.contains("HTTP 400 response from ")){
+    stderr.writeln("Connection refused from lawin server");
+    return;
+  }
+
+  if(line.contains("Network failure when attempting to check platform restrictions")){
+    stderr.writeln("Expired token, please reopen the game");
+    return;
+  }
+
+  if (line.contains("Game Engine Initialized") && !host) {
+    _injectOrShowError("console.dll");
+    return;
+  }
+
+  if(line.contains("Region") && host){
+    _injectOrShowError("reboot.dll");
+  }
+}
+
+Future<void> _injectOrShowError(String binary) async {
+  if (_gameProcess == null) {
+    return;
+  }
+
+  try {
+    stdout.writeln("Injecting $binary...");
+    var dll = await loadBinary(binary, true);
+    var success = await injectDll(_gameProcess!.pid, dll.path, true);
+    if (success) {
+      return;
+    }
+
+    _onInjectError(binary);
+  } catch (exception) {
+    _onInjectError(binary);
+  }
+}
+
+void _onInjectError(String binary) {
+  stderr.writeln(injectLogFile.readAsStringSync());
+  throw Exception("Cannot inject binary: $binary");
+}

lib/main.dart

@@ -6,6 +6,7 @@ import 'package:bitsdojo_window_windows/bitsdojo_window_windows.dart'
 import 'package:fluent_ui/fluent_ui.dart';
 import 'package:get/get.dart';
 import 'package:get_storage/get_storage.dart';
+import 'package:reboot_launcher/cli.dart';
 import 'package:reboot_launcher/src/controller/build_controller.dart';
 import 'package:reboot_launcher/src/controller/game_controller.dart';
 import 'package:reboot_launcher/src/controller/server_controller.dart';
@@ -14,9 +15,14 @@ import 'package:reboot_launcher/src/util/binary.dart';
 import 'package:reboot_launcher/src/util/os.dart';
 import 'package:system_theme/system_theme.dart';
 
-void main() async {
+void main(List<String> args) async {
   await Directory(safeBinariesDirectory)
       .create(recursive: true);
+  if(args.isNotEmpty){
+    handleCLI(args);
+    return;
+  }
+
   WidgetsFlutterBinding.ensureInitialized();
   await SystemTheme.accentColor.load();
   await GetStorage.init("game");
@@ -34,6 +40,7 @@ void main() async {
     appWindow.title = "Reboot Launcher";
     appWindow.show();
   });
+
   runApp(const RebootApplication());
 }
 

lib/src/controller/server_controller.dart

@@ -6,6 +6,8 @@ import 'package:get_storage/get_storage.dart';
 import 'package:reboot_launcher/src/util/binary.dart';
 import 'package:reboot_launcher/src/util/server.dart';
 
+import '../util/server_standalone.dart';
+
 class ServerController extends GetxController {
   late final TextEditingController host;
   late final TextEditingController port;

lib/src/model/fortnite_version.dart

@@ -1,6 +1,6 @@
 import 'dart:io';
 
-import 'package:get/get.dart';
+
 import 'package:path/path.dart' as path;
 
 class FortniteVersion {
@@ -16,11 +16,7 @@ class FortniteVersion {
   static File? findExecutable(Directory directory, String name) {
     try{
       var result = directory.listSync(recursive: true)
-          .firstWhereOrNull((element) => path.basename(element.path) == name);
-      if(result == null){
-        return null;
-      }
-
+          .firstWhere((element) => path.basename(element.path) == name);
       return File(result.path);
     }catch(_){
       return null;

lib/src/util/injector.dart

@@ -7,8 +7,12 @@ File injectLogFile = File("${Platform.environment["Temp"]}/server.txt");
 
 // This can be done easily with win32 apis but for some reason it doesn't work on all machines
 // Update: it was a missing permission error, it could be refactored now
-Future<bool> injectDll(int pid, String dll) async {
-  var shell = Shell(workingDirectory: internalBinariesDirectory);
+Future<bool> injectDll(int pid, String dll, [bool useSafeBinariesHome = false]) async {
+  var shell = Shell(
+      commandVerbose: false,
+      commentVerbose: false,
+      workingDirectory: useSafeBinariesHome ? safeBinariesDirectory : internalBinariesDirectory
+  );
   var process = await shell.run("./injector.exe -p $pid --inject \"$dll\"");
   var success = process.outText.contains("Successfully injected module");
   if (!success) {

lib/src/util/reboot.dart

@@ -2,7 +2,6 @@ import 'dart:io';
 
 import 'package:archive/archive_io.dart';
 import 'package:crypto/crypto.dart';
-import 'package:get/get.dart';
 import 'package:http/http.dart' as http;
 import 'package:path/path.dart' as path;
 import 'package:reboot_launcher/src/util/binary.dart';
@@ -31,17 +30,13 @@ Future<int> downloadRebootDll(int? lastUpdateMs) async {
   await extractFileToDisk(tempZip.path, outputDir.path);
   
   var rebootDll = outputDir.listSync()
-      .firstWhereOrNull((element) => path.extension(element.path) == ".dll");
-  if(rebootDll == null){
-    throw Exception("Missing reboot dll");
-  }
-
+      .firstWhere((element) => path.extension(element.path) == ".dll");
   if (exists && sha1.convert(await oldRebootDll.readAsBytes()) == sha1.convert(await File(rebootDll.path).readAsBytes())) {
-    outputDir.delete();
+    outputDir.delete(recursive: true);
     return lastUpdateMs ?? now.millisecondsSinceEpoch;
   }
 
   await rebootDll.rename(oldRebootDll.path);
-  outputDir.delete();
+  outputDir.delete(recursive: true);
   return now.millisecondsSinceEpoch;
-}
+}

lib/src/util/server.dart

@@ -1,52 +1,13 @@
 import 'dart:io';
+import 'dart:math';
 
-import 'package:archive/archive_io.dart';
 import 'package:fluent_ui/fluent_ui.dart';
 import 'package:flutter/foundation.dart';
-import 'package:http/http.dart' as http;
-import 'package:path/path.dart' as path;
-import 'package:process_run/shell.dart';
 import 'package:reboot_launcher/src/util/binary.dart';
+import 'package:reboot_launcher/src/util/server_standalone.dart';
 import 'package:shelf/shelf_io.dart' as shelf_io;
 import 'package:shelf_proxy/shelf_proxy.dart';
 
-final serverLocation = Directory("${Platform.environment["UserProfile"]}/.reboot_launcher/lawin");
-const String _serverUrl =
-    "https://github.com/Lawin0129/LawinServer/archive/refs/heads/main.zip";
-const String _portableServerUrl =
-    "https://cdn.discordapp.com/attachments/998020695223193673/1019999251994005504/LawinServer.exe";
-
-Future<bool> downloadServer(bool portable) async {
-  if(!portable){
-    var response = await http.get(Uri.parse(_serverUrl));
-    var tempZip = File("${Platform.environment["Temp"]}/lawin.zip");
-    await tempZip.writeAsBytes(response.bodyBytes);
-    await extractFileToDisk(tempZip.path, serverLocation.parent.path);
-    var result = Directory("${serverLocation.parent.path}/LawinServer-main");
-    await result.rename("${serverLocation.parent.path}/${path.basename(serverLocation.path)}");
-    await Process.run("${serverLocation.path}/install_packages.bat", [], workingDirectory: serverLocation.path);
-    await updateEngineConfig();
-    return true;
-  }
-
-  var response = await http.get(Uri.parse(_portableServerUrl));
-  var server = await loadBinary("LawinServer.exe", true);
-  await server.writeAsBytes(response.bodyBytes);
-  return true;
-}
-
-Future<void> updateEngineConfig() async {
-  var engine = File("${serverLocation.path}/CloudStorage/DefaultEngine.ini");
-  var patchedEngine = await loadBinary("DefaultEngine.ini", true);
-  await engine.writeAsString(await patchedEngine.readAsString());
-}
-
-Future<bool> isLawinPortFree() async {
-  var portBat = await loadBinary("port.bat", false);
-  var process = await Process.run(portBat.path, []);
-  return !process.outText.contains(" LISTENING "); // Goofy way, best we got
-}
-
 Future<HttpServer?> changeReverseProxyState(BuildContext context, String host, String port, HttpServer? server) async {
   if(server != null){
     try{
@@ -92,7 +53,7 @@ Future<HttpServer?> changeReverseProxyState(BuildContext context, String host, S
 }
 
 Future<Uri?> _showReverseProxyCheck(BuildContext context, String host, String port) async {
-  var future = _pingServer(host, port);
+  var future = ping(host, port);
   return await showDialog(
       context: context,
       builder: (context) => ContentDialog(
@@ -138,30 +99,6 @@ Future<Uri?> _showReverseProxyCheck(BuildContext context, String host, String po
   );
 }
 
-Future<Uri?> _pingServer(String host, String port, [bool https=false]) async {
-  var hostName = _getHostName(host);
-  var declaredScheme = _getScheme(host);
-  try{
-    var uri = Uri(
-        scheme: declaredScheme ?? (https ? "https" : "http"),
-        host: hostName,
-        port: int.parse(port)
-    );
-    var client = HttpClient()
-      ..connectionTimeout = const Duration(seconds: 5);
-    var request = await client.getUrl(uri);
-    var response = await request.close();
-    return response.statusCode == 200 ? uri : null;
-  }catch(_){
-    return https || declaredScheme != null ? null : await _pingServer(host, port, true);
-  }
-}
-
-String? _getHostName(String host) => host.replaceFirst("http://", "").replaceFirst("https://", "");
-
-String? _getScheme(String host) => host.startsWith("http://") ? "http" : host.startsWith("https://") ? "https" : null;
-
-
 void _showStartProxyError(BuildContext context, Object error) {
     showDialog(
       context: context,

lib/src/util/server_standalone.dart

@@ -0,0 +1,90 @@
+import 'dart:io';
+
+import 'package:archive/archive_io.dart';
+import 'package:http/http.dart' as http;
+import 'package:path/path.dart' as path;
+import 'package:process_run/shell.dart';
+import 'package:reboot_launcher/src/util/binary.dart';
+
+final serverLocation = Directory("${Platform.environment["UserProfile"]}/.reboot_launcher/lawin");
+const String _serverUrl =
+    "https://github.com/Lawin0129/LawinServer/archive/refs/heads/main.zip";
+const String _portableServerUrl =
+    "https://cdn.discordapp.com/attachments/998020695223193673/1019999251994005504/LawinServer.exe";
+
+Future<bool> downloadServer(bool portable) async {
+  if(!portable){
+    var response = await http.get(Uri.parse(_serverUrl));
+    var tempZip = File("${Platform.environment["Temp"]}/lawin.zip");
+    await tempZip.writeAsBytes(response.bodyBytes);
+    await extractFileToDisk(tempZip.path, serverLocation.parent.path);
+    var result = Directory("${serverLocation.parent.path}/LawinServer-main");
+    await result.rename("${serverLocation.parent.path}/${path.basename(serverLocation.path)}");
+    await Process.run("${serverLocation.path}/install_packages.bat", [], workingDirectory: serverLocation.path);
+    await updateEngineConfig();
+    return true;
+  }
+
+  var response = await http.get(Uri.parse(_portableServerUrl));
+  var server = await loadBinary("LawinServer.exe", true);
+  await server.writeAsBytes(response.bodyBytes);
+  return true;
+}
+
+Future<void> updateEngineConfig() async {
+  var engine = File("${serverLocation.path}/CloudStorage/DefaultEngine.ini");
+  var patchedEngine = await loadBinary("DefaultEngine.ini", true);
+  await engine.writeAsString(await patchedEngine.readAsString());
+}
+
+Future<bool> isLawinPortFree() async {
+  return ServerSocket.bind("localhost", 3551)
+      .then((socket) => socket.close())
+      .then((_) => true)
+      .onError((error, _) => false);
+}
+
+List<String> createRebootArgs(String username, bool headless) {
+  var args = [
+    "-epicapp=Fortnite",
+    "-epicenv=Prod",
+    "-epiclocale=en-us",
+    "-epicportal",
+    "-skippatchcheck",
+    "-fromfl=eac",
+    "-fltoken=3db3ba5dcbd2e16703f3978d",
+    "-caldera=eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJhY2NvdW50X2lkIjoiYmU5ZGE1YzJmYmVhNDQwN2IyZjQwZWJhYWQ4NTlhZDQiLCJnZW5lcmF0ZWQiOjE2Mzg3MTcyNzgsImNhbGRlcmFHdWlkIjoiMzgxMGI4NjMtMmE2NS00NDU3LTliNTgtNGRhYjNiNDgyYTg2IiwiYWNQcm92aWRlciI6IkVhc3lBbnRpQ2hlYXQiLCJub3RlcyI6IiIsImZhbGxiYWNrIjpmYWxzZX0.VAWQB67RTxhiWOxx7DBjnzDnXyyEnX7OljJm-j2d88G_WgwQ9wrE6lwMEHZHjBd1ISJdUO1UVUqkfLdU5nofBQ",
+    "-AUTH_LOGIN=$username@projectreboot.dev",
+    "-AUTH_PASSWORD=Rebooted",
+    "-AUTH_TYPE=epic"
+  ];
+
+  if(headless){
+    args.addAll(["-nullrhi", "-nosplash", "-nosound"]);
+  }
+
+  return args;
+}
+
+Future<Uri?> ping(String host, String port, [bool https=false]) async {
+  var hostName = _getHostName(host);
+  var declaredScheme = _getScheme(host);
+  try{
+    var uri = Uri(
+        scheme: declaredScheme ?? (https ? "https" : "http"),
+        host: hostName,
+        port: int.parse(port)
+    );
+    var client = HttpClient()
+      ..connectionTimeout = const Duration(seconds: 5);
+    var request = await client.getUrl(uri);
+    var response = await request.close();
+    return response.statusCode == 200 ? uri : null;
+  }catch(_){
+    return https || declaredScheme != null ? null : await ping(host, port, true);
+  }
+}
+
+String? _getHostName(String host) => host.replaceFirst("http://", "").replaceFirst("https://", "");
+
+String? _getScheme(String host) => host.startsWith("http://") ? "http" : host.startsWith("https://") ? "https" : null;

lib/src/widget/launch_button.dart

@@ -15,7 +15,7 @@ import 'package:reboot_launcher/src/util/server.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:win32_suspend_process/win32_suspend_process.dart';
 
-import '../util/os.dart';
+import '../util/server_standalone.dart';
 
 class LaunchButton extends StatefulWidget {
   const LaunchButton(
@@ -111,7 +111,7 @@ class _LaunchButtonState extends State<LaunchButton> {
         return;
       }
 
-      _gameController.gameProcess = await Process.start(gamePath, _createProcessArguments())
+      _gameController.gameProcess = await Process.start(gamePath, createRebootArgs(_gameController.username.text, hosting))
         ..exitCode.then((_) => _onEnd())
         ..outLines.forEach(_onGameOutput);
       await _injectOrShowError("cranium.dll");
@@ -210,6 +210,31 @@ class _LaunchButtonState extends State<LaunchButton> {
     );
   }
 
+  Future<void> _showTokenError() async {
+    if(!mounted){
+      return;
+    }
+
+    showDialog(
+        context: context,
+        builder: (context) => ContentDialog(
+          content: const SizedBox(
+              width: double.infinity,
+              child: Text("A token error occurred, restart the game and try again", textAlign: TextAlign.center)
+          ),
+          actions: [
+            SizedBox(
+                width: double.infinity,
+                child: Button(
+                  onPressed: () =>  Navigator.of(context).pop(),
+                  child: const Text('Close'),
+                )
+            )
+          ],
+        )
+    );
+  }
+
   Future<void> _showUnsupportedHeadless() async {
     if(!mounted){
       return;
@@ -300,6 +325,13 @@ class _LaunchButtonState extends State<LaunchButton> {
       return;
     }
 
+    if(line.contains("Network failure when attempting to check platform restrictions")){
+      _fail = true;
+      _closeDialogIfOpen(false);
+      _showTokenError();
+      return;
+    }
+
     if (line.contains("Game Engine Initialized") &&  _gameController.type.value == GameType.client) {
       _injectOrShowError("console.dll");
       return;
@@ -365,26 +397,4 @@ class _LaunchButtonState extends State<LaunchButton> {
     showSnackbar(context, Snackbar(content: Text("Cannot inject $binary")));
     launchUrl(injectLogFile.uri);
   }
-
-  List<String> _createProcessArguments() {
-    var args = [
-      "-epicapp=Fortnite",
-      "-epicenv=Prod",
-      "-epiclocale=en-us",
-      "-epicportal",
-      "-skippatchcheck",
-      "-fromfl=eac",
-      "-fltoken=3db3ba5dcbd2e16703f3978d",
-      "-caldera=eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJhY2NvdW50X2lkIjoiYmU5ZGE1YzJmYmVhNDQwN2IyZjQwZWJhYWQ4NTlhZDQiLCJnZW5lcmF0ZWQiOjE2Mzg3MTcyNzgsImNhbGRlcmFHdWlkIjoiMzgxMGI4NjMtMmE2NS00NDU3LTliNTgtNGRhYjNiNDgyYTg2IiwiYWNQcm92aWRlciI6IkVhc3lBbnRpQ2hlYXQiLCJub3RlcyI6IiIsImZhbGxiYWNrIjpmYWxzZX0.VAWQB67RTxhiWOxx7DBjnzDnXyyEnX7OljJm-j2d88G_WgwQ9wrE6lwMEHZHjBd1ISJdUO1UVUqkfLdU5nofBQ",
-      "-AUTH_LOGIN=${_gameController.username.text}@projectreboot.dev",
-      "-AUTH_PASSWORD=Rebooted",
-      "-AUTH_TYPE=epic"
-    ];
-
-    if(_gameController.type.value == GameType.headlessServer){
-      args.addAll(["-nullrhi", "-nosplash", "-nosound"]);
-    }
-
-    return args;
-  }
 }