Check token info and update to new info

lib/auth.dart

@@ -1,7 +1,9 @@
 import 'package:logging/logging.dart';
 import 'api/status.dart';
+import 'api/token.dart';
 import 'api/user.dart';
 import 'globals.dart';
+import 'platform/device.dart';
 
 final _log = Logger("AuthInfo");
 
@@ -11,6 +13,8 @@ class AuthInfo {
   BUser? get user => _user;
   ServerStatus? _status;
   ServerStatus? get status => _status;
+  Token? _token;
+  Token? get token => _token;
   bool get isAuthed => (_user != null);
   bool _checked = false;
   bool get checked => _checked;
@@ -29,6 +33,42 @@ class AuthInfo {
     _status = (await api.getStatus()).unwrap();
   }
 
+  Future<void> checkSessionInfo() async {
+    final data = (await api.getToken()).unwrap();
+    _token = data.token;
+    final d = await device;
+    final cv = await clientVersion;
+    final cp = clientPlatform;
+    String? client;
+    String? ed;
+    String? ecv;
+    String? ecp;
+    if (_token!.client != "flutter") {
+      client = "flutter";
+    }
+    if (_token!.device != d) {
+      ed = d;
+    }
+    if (_token!.clientVersion != cv) {
+      ecv = cv;
+    }
+    if (_token!.clientPlatform != cp) {
+      ecp = cp;
+    }
+    if (client != null || ed != null || ecv != null || ecp != null) {
+      try {
+        final re = await api.updateToken(
+            client: client,
+            device: ed,
+            clientVersion: ecv,
+            clientPlatform: ecp);
+        _token = re.unwrap();
+      } catch (e) {
+        _log.warning("Failed to update token:", e);
+      }
+    }
+  }
+
   Future<bool> checkAuth() async {
     _isChecking = true;
     try {
@@ -46,6 +86,7 @@ class AuthInfo {
       }
       _checked = true;
       await getServerStatus();
+      await checkSessionInfo();
       return re.ok;
     } finally {
       _isChecking = false;

lib/login.dart

@@ -3,7 +3,6 @@ import 'package:flutter/scheduler.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:go_router/go_router.dart';
 import 'package:logging/logging.dart';
-import 'package:package_info_plus/package_info_plus.dart';
 import 'globals.dart';
 import 'platform/device.dart';
 
@@ -18,14 +17,6 @@ class LoginPage extends StatefulWidget {
   State<LoginPage> createState() => _LoginPageState();
 }
 
-Future<String?> get clientVersion async {
-  try {
-    return (await PackageInfo.fromPlatform()).version;
-  } catch (_) {
-    return null;
-  }
-}
-
 Future<bool> login(String username, String password) async {
   String baseUrl = api.baseUrl!;
   final u = Uri.parse(baseUrl);
@@ -37,7 +28,7 @@ Future<bool> login(String username, String password) async {
       httpOnly: true,
       secure: u.scheme == 'https',
       client: "flutter",
-      device: device,
+      device: await device,
       clientVersion: await clientVersion,
       clientPlatform: clientPlatform);
   if (re.ok) return true;

lib/platform/device.dart

@@ -1 +1,10 @@
 export './device_other.dart' if (dart.library.html) './device_web.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+
+Future<String?> get clientVersion async {
+  try {
+    return (await PackageInfo.fromPlatform()).version;
+  } catch (_) {
+    return null;
+  }
+}

lib/platform/device_other.dart

@@ -1,6 +1,21 @@
 import 'dart:io';
+import 'package:flutter/services.dart';
+import 'package:logging/logging.dart';
 
-String? get device => null;
+const _platform = MethodChannel("lifegpc.eh_downloader_flutter/device");
+final _log = Logger("platformDevice");
+String? _device;
+
+Future<String?> get device async {
+  if (_device == null) {
+    try {
+      _device = await _platform.invokeMethod<String>("deviceName");
+    } catch (e) {
+      _log.warning("Failed to get device:", e);
+    }
+  }
+  return _device;
+}
 
 String? get clientPlatform {
   if (Platform.isAndroid) return "android";

lib/platform/device_web.dart

@@ -3,7 +3,7 @@ import 'package:ua_parser_js/ua_parser_js.dart';
 final _uaParser = UAParser();
 String? _device;
 
-String? get device {
+Future<String?> get device {
   if (_device == null) {
     final ua = _uaParser.getResult();
     _device = ua.browser.name;
@@ -11,7 +11,7 @@ String? get device {
       _device = "$_device ${ua.browser.version}";
     }
   }
-  return _device;
+  return Future.value(_device);
 }
 
 String? get clientPlatform => "web";