wip

lib/features/launcher/data/game_installation_service.dart

@@ -12,6 +12,7 @@ import 'package:moonwell_launcher/features/launcher/domain/entities/client_hash_
 import 'package:moonwell_launcher/features/launcher/domain/entities/client_installation_snapshot.dart';
 import 'package:moonwell_launcher/features/launcher/domain/entities/client_manifest.dart';
 import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_exception.dart';
+import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_game_ticket.dart';
 import 'package:moonwell_launcher/features/launcher/domain/entities/local_client_file.dart';
 import 'package:path/path.dart' as p;
 
@@ -219,7 +220,10 @@ class GameInstallationService {
     await cacheDirectory.create(recursive: true);
   }
 
-  Future<GameProcessHandle> launchGame(String installationDir) async {
+  Future<GameProcessHandle> launchGame(
+    String installationDir, {
+    required LauncherGameTicket authorization,
+  }) async {
     final executablePath = getExecutablePath(installationDir);
     final executable = File(executablePath);
 
@@ -229,10 +233,29 @@ class GameInstallationService {
       );
     }
 
+    return startGameProcess(
+      executablePath: executablePath,
+      arguments: const <String>[],
+      workingDirectory: installationDir,
+      environment: <String, String>{
+        'MOONWELL_LAUNCH_ACCOUNT': authorization.account,
+        'MOONWELL_LAUNCH_TICKET': authorization.ticket,
+      },
+    );
+  }
+
+  Future<GameProcessHandle> startGameProcess({
+    required String executablePath,
+    required List<String> arguments,
+    required String workingDirectory,
+    required Map<String, String> environment,
+  }) async {
     final process = await Process.start(
       executablePath,
-      const <String>[],
-      workingDirectory: installationDir,
+      arguments,
+      workingDirectory: workingDirectory,
+      environment: environment,
+      includeParentEnvironment: true,
       mode: ProcessStartMode.normal,
     );
     await process.stdin.close();

lib/features/launcher/data/launcher_api_client.dart

@@ -11,6 +11,7 @@ import 'package:moonwell_launcher/features/launcher/domain/entities/client_manif
 import 'package:moonwell_launcher/features/launcher/domain/entities/client_manifest_file.dart';
 import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_account.dart';
 import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_exception.dart';
+import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_game_ticket.dart';
 import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_news_item.dart';
 import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_realm.dart';
 import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_session.dart';
@@ -162,6 +163,47 @@ class LauncherApiClient {
     }
   }
 
+  Future<LauncherGameTicket> issueGameTicket(String accessToken) async {
+    final ticketUri = _resolveUri('api/launcher/game-ticket');
+
+    try {
+      final response = await _dio.postUri(
+        ticketUri,
+        data: const <String, Object?>{'client_build': 12340},
+        options: _authorizedOptions(accessToken),
+      );
+      final ticket = LauncherGameTicket.fromJson(_coerceMap(response.data));
+      if (!ticket.isUsable()) {
+        throw const LauncherApiException(
+          'Launcher API returned an expired game ticket.',
+        );
+      }
+      return ticket;
+    } on DioException catch (error, stackTrace) {
+      await _launcherLogService.error(
+        'Game ticket request failed.',
+        details: <String, Object?>{
+          'endpoint': ticketUri.toString(),
+          'statusCode': error.response?.statusCode,
+          'dioType': error.type.name,
+        },
+        error: error,
+        stackTrace: stackTrace,
+      );
+      throw LauncherApiException(_extractErrorMessage(error));
+    } on FormatException catch (error, stackTrace) {
+      await _launcherLogService.error(
+        'Launcher API returned an invalid game ticket payload.',
+        details: <String, Object?>{'endpoint': ticketUri.toString()},
+        error: error,
+        stackTrace: stackTrace,
+      );
+      throw const LauncherApiException(
+        'Launcher API returned an invalid game ticket.',
+      );
+    }
+  }
+
   Future<ClientManifest> fetchManifest(String accessToken) async {
     final manifestUri = _resolveUri('api/launcher/manifest');