merge?

lib/ui/login_screen.dart

@@ -1,9 +1,17 @@
+import 'dart:async';
+import 'dart:convert';
 import 'dart:io';
+import 'dart:math';
 
+import 'package:async/async.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:freezer/api/deezer.dart';
 import 'package:freezer/translations.i18n.dart';
+import 'package:logging/logging.dart';
+import 'package:network_info_plus/network_info_plus.dart';
+import 'package:rxdart/rxdart.dart';
 import 'package:url_launcher/url_launcher_string.dart';
 import 'package:webview_flutter/webview_flutter.dart';
 
@@ -209,6 +217,16 @@ class _LoginWidgetState extends State<LoginWidget> {
                                   style: const TextStyle(fontSize: 16.0),
                                 ),
                                 const SizedBox(height: 16.0),
+                                ElevatedButton(
+                                    child:
+                                        Text('Login using other device'.i18n),
+                                    onPressed: () {
+                                      showDialog(
+                                          context: context,
+                                          builder: (context) =>
+                                              OtherDeviceLogin(_update));
+                                    }),
+                                const SizedBox(height: 16.0),
                                 //Email login dialog (Not working anymore)
                                 // ElevatedButton(
                                 //   child: Text(
@@ -407,6 +425,154 @@ class _LoginBrowserState extends State<LoginBrowser> {
   }
 }
 
+class OtherDeviceLogin extends StatefulWidget {
+  final VoidCallback callback;
+  const OtherDeviceLogin(this.callback, {super.key});
+
+  @override
+  State<OtherDeviceLogin> createState() => _OtherDeviceLoginState();
+}
+
+class _OtherDeviceLoginState extends State<OtherDeviceLogin> {
+  late final HttpServer _server;
+  late final StreamSubscription _serverSubscription;
+  late final String? _deviceIP;
+  late final Future<void> _serverReady;
+  late int _code;
+  late Timer _codeTimer;
+  final _timerNotifier = ValueNotifier<double>(0.0);
+  bool step2 = false;
+  final _logger = Logger('OtherDeviceLogin');
+
+  void _generateCode() {
+    _code = Random.secure().nextInt(899999) + 100000;
+  }
+
+  Future<void> _initServer() async {
+    _server = await HttpServer.bind(InternetAddress.anyIPv4, 0);
+    _deviceIP = await NetworkInfo().getWifiIP();
+    _generateCode();
+    const tps = 30 * 1000 / 50;
+    _codeTimer = Timer.periodic(const Duration(milliseconds: 50), (timer) {
+      final a = timer.tick / tps;
+      _timerNotifier.value = a - a.truncate();
+      if (timer.tick % tps == 0) {
+        setState(() => _generateCode());
+      }
+    });
+    _serverSubscription = _server.listen((request) async {
+      final buffer = Uint8List(0);
+      final reqCompleter = Completer<void>();
+      final subs = request.listen(
+        (data) {
+          if (data.length + buffer.length > 8192) {
+            _logger.severe('Request too big!');
+            request.response.close();
+          }
+
+          buffer.addAll(data);
+        },
+        onDone: () {
+          reqCompleter.complete();
+        },
+      );
+      await reqCompleter.future;
+      subs.cancel();
+      try {
+        jsonDecode(utf8.decode(buffer));
+      } catch (e) {
+        _logger.severe('Error $e');
+        request.response.close();
+      }
+    });
+  }
+
+  @override
+  void initState() {
+    _serverReady = _initServer();
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    _server.close();
+    _serverSubscription.cancel();
+    _codeTimer.cancel();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text('Login using other device'.i18n),
+      contentPadding: const EdgeInsets.only(top: 12),
+      content: step2
+          ? Text('Please follow the on-screen instructions'.i18n,
+              style: Theme.of(context).textTheme.bodyLarge)
+          : FutureBuilder(
+              future: _serverReady,
+              builder: (context, snapshot) {
+                if (snapshot.connectionState != ConnectionState.done) {
+                  return const Row(children: [CircularProgressIndicator()]);
+                }
+
+                return Column(
+                    mainAxisSize: MainAxisSize.min,
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      ValueListenableBuilder(
+                        valueListenable: _timerNotifier,
+                        builder: (context, value, _) =>
+                            LinearProgressIndicator(value: value),
+                      ),
+                      Padding(
+                        padding: const EdgeInsets.fromLTRB(24, 18, 24, 24),
+                        child: Column(
+                          mainAxisSize: MainAxisSize.min,
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                                'On your other device, go to Freezer\'s settings > General > Login on other device, input the parameters below and follow the on-screen instructions.'
+                                    .i18n),
+                            RichText(
+                                textAlign: TextAlign.start,
+                                text: TextSpan(
+                                    style:
+                                        Theme.of(context).textTheme.bodyMedium,
+                                    children: [
+                                      TextSpan(text: 'IP Address: '.i18n),
+                                      TextSpan(
+                                          text:
+                                              _deviceIP ?? 'Could not get IP!',
+                                          style: TextStyle(fontSize: 32.sp)),
+                                      const TextSpan(text: ':'),
+                                      TextSpan(
+                                          text: _server.port.toString(),
+                                          style: TextStyle(fontSize: 32.sp)),
+                                    ])),
+                            RichText(
+                                text: TextSpan(
+                                    style:
+                                        Theme.of(context).textTheme.bodyMedium,
+                                    children: [
+                                  TextSpan(text: 'Code: '.i18n),
+                                  TextSpan(
+                                      text: '$_code',
+                                      style: TextStyle(fontSize: 32.sp)),
+                                ])),
+                          ],
+                        ),
+                      )
+                    ]);
+              }),
+      actions: [
+        TextButton(
+            onPressed: () => Navigator.pop(context), child: Text('Cancel'.i18n))
+      ],
+    );
+  }
+}
+
 // email login is removed cuz not working = USELESS
 
 //class EmailLogin extends StatefulWidget {

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -12,6 +12,7 @@ import dynamic_color
 import flutter_local_notifications
 import isar_flutter_libs
 import just_audio
+import network_info_plus
 import package_info_plus
 import path_provider_foundation
 import share_plus
@@ -27,6 +28,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FlutterLocalNotificationsPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalNotificationsPlugin"))
   IsarFlutterLibsPlugin.register(with: registry.registrar(forPlugin: "IsarFlutterLibsPlugin"))
   JustAudioPlugin.register(with: registry.registrar(forPlugin: "JustAudioPlugin"))
+  NetworkInfoPlusPlugin.register(with: registry.registrar(forPlugin: "NetworkInfoPlusPlugin"))
   FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))

pubspec.lock

@@ -929,6 +929,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  network_info_plus:
+    dependency: "direct main"
+    description:
+      name: network_info_plus
+      sha256: "4601b815b1c6a46d84839f65cd774a7d999738471d910fae00d813e9e98b04e1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.0+1"
+  network_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: network_info_plus_platform_interface
+      sha256: "881f5029c5edaf19c616c201d3d8b366c5b1384afd5c1da5a49e4345de82fb8b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.3"
   nm:
     dependency: transitive
     description:

pubspec.yaml

@@ -96,7 +96,7 @@ dependencies:
   flex_color_picker: ^3.3.0
   webview_flutter:
     ^4.4.4
-
+  network_info_plus: ^4.1.0+1
     #deezcryptor:
     #path: deezcryptor/