feat(auth): integrate SmartAuth for SMS code auto-fill and update localization strings

android/gradle.properties

@@ -2,3 +2,7 @@ org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m
 android.useAndroidX=true
 kotlin.incremental=false
 dev.steenbakker.mobile_scanner.useUnbundled=true
+systemProp.socksProxyHost=127.0.0.1
+systemProp.socksProxyPort=10808
+systemProp.https.proxyHost=127.0.0.1
+systemProp.https.proxyPort=10808

lib/frontend/screens/auth/code_confirmation_screen.dart

@@ -1,8 +1,10 @@
 import 'dart:async';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:komet/l10n/app_localizations.dart';
 import 'package:flutter/services.dart';
 import 'package:google_fonts/google_fonts.dart';
+import 'package:smart_auth/smart_auth.dart';
 import '../chats/chat_list_screen.dart';
 import 'password_2fa_screen.dart';
 import '../../../main.dart';
@@ -26,9 +28,11 @@ class _CodeConfirmationScreenState extends State<CodeConfirmationScreen>
     with TickerProviderStateMixin {
   final TextEditingController _codeController = TextEditingController();
   final FocusNode _focusNode = FocusNode();
+  final SmartAuth _smartAuth = SmartAuth.instance;
   int _timerSeconds = 30;
   Timer? _timer;
   Timer? _errorTimer;
+  bool _isListeningSmsConsent = false;
 
   String? _errorMessage;
   late AnimationController _shakeController;
@@ -41,6 +45,7 @@ class _CodeConfirmationScreenState extends State<CodeConfirmationScreen>
     WidgetsBinding.instance.addPostFrameCallback((_) {
       _focusNode.requestFocus();
     });
+    _startSmsCodeListener();
 
     _shakeController = AnimationController(
       vsync: this,
@@ -56,10 +61,63 @@ class _CodeConfirmationScreenState extends State<CodeConfirmationScreen>
     ]).animate(CurvedAnimation(parent: _shakeController, curve: Curves.linear));
   }
 
+  Future<void> _startSmsCodeListener() async {
+    if (defaultTargetPlatform != TargetPlatform.android) return;
+    if (_isListeningSmsConsent) return;
+
+    _isListeningSmsConsent = true;
+    final result = await _smartAuth.getSmsWithUserConsentApi(matcher: r'\d{6}');
+    _isListeningSmsConsent = false;
+
+    if (!mounted || !result.hasData) return;
+
+    final receivedCode = result.data?.code;
+    if (receivedCode == null || receivedCode.isEmpty) return;
+
+    _applyAutoFillCode(receivedCode);
+  }
+
+  Future<void> _restartSmsCodeListener() async {
+    if (defaultTargetPlatform != TargetPlatform.android) return;
+    await _smartAuth.removeUserConsentApiListener();
+    _isListeningSmsConsent = false;
+    await _startSmsCodeListener();
+  }
+
+  void _handleCodeChanged(String value) {
+    setState(() {
+      if (_errorMessage != null) {
+        _errorMessage = null;
+      }
+    });
+    if (value.length == 6) {
+      _verifyCode();
+    }
+  }
+
+  void _applyAutoFillCode(String rawCode) {
+    final digitsOnly = rawCode.replaceAll(RegExp(r'\D'), '');
+    if (digitsOnly.isEmpty) return;
+
+    final nextCode = digitsOnly.length <= 6
+        ? digitsOnly
+        : digitsOnly.substring(0, 6);
+
+    if (_codeController.text == nextCode) return;
+
+    _codeController.value = TextEditingValue(
+      text: nextCode,
+      selection: TextSelection.collapsed(offset: nextCode.length),
+    );
+
+    _handleCodeChanged(nextCode);
+  }
+
   @override
   void dispose() {
     _timer?.cancel();
     _errorTimer?.cancel();
+    unawaited(_smartAuth.removeUserConsentApiListener());
     _shakeController.dispose();
     _codeController.dispose();
     _focusNode.dispose();
@@ -92,6 +150,7 @@ class _CodeConfirmationScreenState extends State<CodeConfirmationScreen>
   void _resendCode() {
     if (_timerSeconds == 0) {
       _startTimer();
+      unawaited(_restartSmsCodeListener());
     }
   }
 
@@ -206,11 +265,7 @@ class _CodeConfirmationScreenState extends State<CodeConfirmationScreen>
                             FilteringTextInputFormatter.digitsOnly,
                             LengthLimitingTextInputFormatter(6),
                           ],
-                          onChanged: (value) {
+                          onChanged: _handleCodeChanged,
-                            if (hasError) setState(() => _errorMessage = null);
-                            setState(() {});
-                            if (value.length == 6) _verifyCode();
-                          },
                         ),
                       ),
                     ),

lib/frontend/screens/auth/login_screen.dart

@@ -795,15 +795,6 @@ class _LoginScreenState extends State<LoginScreen> {
                                         height: 1.4,
                                       ),
                                       children: [
-                                        TextSpan(
-                                          text: l10n.loginTermsIntro,
-                                          style: GoogleFonts.inter(
-                                            color: cs.onSurface,
-                                            fontSize: 14,
-                                            height: 1.4,
-                                            fontWeight: FontWeight.w400,
-                                          ),
-                                        ),
                                         TextSpan(
                                           text: l10n.loginTermsLink,
                                           style: GoogleFonts.inter(

lib/l10n/app_en.arb

@@ -1,23 +1,22 @@
 {
   "@@locale": "en",
-  "loginTitle": "Sign in to Komet",
+  "loginTitle": "Log in to Komet",
   "loginSubtitle": "Check your country code and enter your\nphone number.",
   "loginCountry": "Country",
   "loginPhoneNumber": "Phone number",
   "loginPhoneHint": "(000) 000-00-00",
   "loginOtherSignInMethods": "Other sign-in methods",
-  "loginTermsIntro": "By continuing, you agree to \n",
+  "loginTermsLink": "Terms of Use «Komet»",
-  "loginTermsLink": "the terms of use",
+  "loginTermsOfUse": "Terms of Use «Komet»",
-  "loginTermsOfUse": "Terms of use",
   "loginConfirmPhoneTitle": "Is this the correct number?",
   "loginEdit": "Change",
   "loginDone": "Done",
-  "loginReadTermsNotification": "Please read the terms of use first",
+  "loginReadTermsNotification": "Please read the Terms of Use «Komet»",
   "loginSpoofRedacted": "Spoof redaction",
   "loginProxy": "Proxy",
-  "loginSignInWithQr": "Sign in with QR code",
+  "loginSignInWithQr": "Log in with QR code",
-  "loginSignInWithToken": "Sign in with token",
+  "loginSignInWithToken": "Log in with token",
-  "loginSignInWithSessionFile": "Sign in with session file",
+  "loginSignInWithSessionFile": "Log in with session file",
   "loginLanguage": "Language",
   "languageNameRu": "Русский",
   "languageNameEn": "English",

lib/l10n/app_localizations.dart

@@ -101,7 +101,7 @@ abstract class AppLocalizations {
   /// No description provided for @loginTitle.
   ///
   /// In en, this message translates to:
-  /// **'Sign in to Komet'**
+  /// **'Log in to Komet'**
   String get loginTitle;
 
   /// No description provided for @loginSubtitle.
@@ -134,22 +134,16 @@ abstract class AppLocalizations {
   /// **'Other sign-in methods'**
   String get loginOtherSignInMethods;
 
-  /// No description provided for @loginTermsIntro.
-  ///
-  /// In en, this message translates to:
-  /// **'By continuing, you agree to \n'**
-  String get loginTermsIntro;
-
   /// No description provided for @loginTermsLink.
   ///
   /// In en, this message translates to:
-  /// **'the terms of use'**
+  /// **'Terms of Use «Komet»'**
   String get loginTermsLink;
 
   /// No description provided for @loginTermsOfUse.
   ///
   /// In en, this message translates to:
-  /// **'Terms of use'**
+  /// **'Terms of Use «Komet»'**
   String get loginTermsOfUse;
 
   /// No description provided for @loginConfirmPhoneTitle.
@@ -173,7 +167,7 @@ abstract class AppLocalizations {
   /// No description provided for @loginReadTermsNotification.
   ///
   /// In en, this message translates to:
-  /// **'Please read the terms of use first'**
+  /// **'Please read the Terms of Use «Komet»'**
   String get loginReadTermsNotification;
 
   /// No description provided for @loginSpoofRedacted.
@@ -191,19 +185,19 @@ abstract class AppLocalizations {
   /// No description provided for @loginSignInWithQr.
   ///
   /// In en, this message translates to:
-  /// **'Sign in with QR code'**
+  /// **'Log in with QR code'**
   String get loginSignInWithQr;
 
   /// No description provided for @loginSignInWithToken.
   ///
   /// In en, this message translates to:
-  /// **'Sign in with token'**
+  /// **'Log in with token'**
   String get loginSignInWithToken;
 
   /// No description provided for @loginSignInWithSessionFile.
   ///
   /// In en, this message translates to:
-  /// **'Sign in with session file'**
+  /// **'Log in with session file'**
   String get loginSignInWithSessionFile;
 
   /// No description provided for @loginLanguage.

lib/l10n/app_localizations_en.dart

@@ -9,7 +9,7 @@ class AppLocalizationsEn extends AppLocalizations {
   AppLocalizationsEn([String locale = 'en']) : super(locale);
 
   @override
-  String get loginTitle => 'Sign in to Komet';
+  String get loginTitle => 'Log in to Komet';
 
   @override
   String get loginSubtitle =>
@@ -28,13 +28,10 @@ class AppLocalizationsEn extends AppLocalizations {
   String get loginOtherSignInMethods => 'Other sign-in methods';
 
   @override
-  String get loginTermsIntro => 'By continuing, you agree to \n';
+  String get loginTermsLink => 'Terms of Use «Komet»';
 
   @override
-  String get loginTermsLink => 'the terms of use';
+  String get loginTermsOfUse => 'Terms of Use «Komet»';
-
-  @override
-  String get loginTermsOfUse => 'Terms of use';
 
   @override
   String get loginConfirmPhoneTitle => 'Is this the correct number?';
@@ -46,7 +43,8 @@ class AppLocalizationsEn extends AppLocalizations {
   String get loginDone => 'Done';
 
   @override
-  String get loginReadTermsNotification => 'Please read the terms of use first';
+  String get loginReadTermsNotification =>
+      'Please read the Terms of Use «Komet»';
 
   @override
   String get loginSpoofRedacted => 'Spoof redaction';
@@ -55,13 +53,13 @@ class AppLocalizationsEn extends AppLocalizations {
   String get loginProxy => 'Proxy';
 
   @override
-  String get loginSignInWithQr => 'Sign in with QR code';
+  String get loginSignInWithQr => 'Log in with QR code';
 
   @override
-  String get loginSignInWithToken => 'Sign in with token';
+  String get loginSignInWithToken => 'Log in with token';
 
   @override
-  String get loginSignInWithSessionFile => 'Sign in with session file';
+  String get loginSignInWithSessionFile => 'Log in with session file';
 
   @override
   String get loginLanguage => 'Language';

lib/l10n/app_localizations_ru.dart

@@ -28,13 +28,10 @@ class AppLocalizationsRu extends AppLocalizations {
   String get loginOtherSignInMethods => 'Другие способы входа';
 
   @override
-  String get loginTermsIntro => 'Продолжая, вы соглашаетесь с \n';
+  String get loginTermsLink => 'Условия использования «Komet»';
 
   @override
-  String get loginTermsLink => 'пользовательскими соглашениями';
+  String get loginTermsOfUse => 'Условия использования «Komet»';
-
-  @override
-  String get loginTermsOfUse => 'Условия использования';
 
   @override
   String get loginConfirmPhoneTitle => 'Это правильный номер?';
@@ -47,7 +44,7 @@ class AppLocalizationsRu extends AppLocalizations {
 
   @override
   String get loginReadTermsNotification =>
-      'Сначала прочитайте условия использования';
+      'Сначала прочитайте условия использования «Komet»';
 
   @override
   String get loginSpoofRedacted => 'Подделка спуфа';

lib/l10n/app_ru.arb

@@ -7,12 +7,12 @@
   "loginPhoneHint": "(000) 000-00-00",
   "loginOtherSignInMethods": "Другие способы входа",
   "loginTermsIntro": "Продолжая, вы соглашаетесь с \n",
-  "loginTermsLink": "пользовательскими соглашениями",
+  "loginTermsLink": "Условия использования «Komet»",
-  "loginTermsOfUse": "Условия использования",
+  "loginTermsOfUse": "Условия использования «Komet»",
   "loginConfirmPhoneTitle": "Это правильный номер?",
   "loginEdit": "Изменить",
   "loginDone": "Готово",
-  "loginReadTermsNotification": "Сначала прочитайте условия использования",
+  "loginReadTermsNotification": "Сначала прочитайте условия использования «Komet»",
   "loginSpoofRedacted": "Подделка спуфа",
   "loginProxy": "Прокси",
   "loginSignInWithQr": "По QR code",

pubspec.lock

@@ -530,6 +530,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  smart_auth:
+    dependency: "direct main"
+    description:
+      name: smart_auth
+      sha256: a536423c50d71e9a311d16027346634d0deadd07dafc5b5606b46719cf6fb2b6
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
   source_span:
     dependency: transitive
     description:

pubspec.yaml

@@ -53,6 +53,7 @@ dependencies:
   shared_preferences: ^2.5.4
   package_info_plus: ^9.0.1
   mobile_scanner: ^7.2.0
+  smart_auth: ^3.2.0
 
 dev_dependencies:
   flutter_test: