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Implement password protection

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This commit is contained in:
Anton Tananaev 2025-06-28 14:57:56 -07:00
parent 52a0dd006f
commit 565ddb090f
7 changed files with 209 additions and 10 deletions
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2
lib/l10n/app_en.arb
View file

@ -28,7 +28,9 @@
"trackingLabel": "Continuous tracking",
"motionLabel": "Active movement",
"advancedLabel": "Advanced settings",
"passwordLabel": "Password",
"optimizationMessage": "To ensure reliable tracking, please disable battery optimization for this app.",
"passwordError": "Wrong password",
"startAction": "Start service",
"stopAction": "Stop service",
"sosAction": "Send SOS"

25
lib/main_screen.dart
View file

@ -1,6 +1,7 @@
import 'dart:developer' as developer;
import 'package:flutter/material.dart';
import 'package:traccar_client/password_service.dart';
import 'package:traccar_client/preferences.dart';
import 'package:flutter_background_geolocation/flutter_background_geolocation.dart' as bg;
@ -93,12 +94,14 @@ class _MainScreenState extends State<MainScreen> {
contentPadding: EdgeInsets.zero,
title: Text(AppLocalizations.of(context)!.trackingLabel),
value: trackingEnabled,
onChanged: (bool value) {
if (value) {
bg.BackgroundGeolocation.start();
_checkBatteryOptimizations(context);
} else {
bg.BackgroundGeolocation.stop();
onChanged: (bool value) async {
if (await PasswordService.authenticate(context) && mounted) {
if (value) {
bg.BackgroundGeolocation.start();
_checkBatteryOptimizations(context);
} else {
bg.BackgroundGeolocation.stop();
}
}
},
),
@ -166,10 +169,12 @@ class _MainScreenState extends State<MainScreen> {
children: [
FilledButton.tonal(
onPressed: () async {
await Navigator.push(context, MaterialPageRoute(builder: (_) => const SettingsScreen()));
setState(() {
stopDetection = Preferences.instance.getBool(Preferences.stopDetection);
});
if (await PasswordService.authenticate(context) && mounted) {
await Navigator.push(context, MaterialPageRoute(builder: (_) => const SettingsScreen()));
setState(() {
stopDetection = Preferences.instance.getBool(Preferences.stopDetection);
});
}
},
child: Text(AppLocalizations.of(context)!.settingsButton),
),

57
lib/password_service.dart Normal file
View file

@ -0,0 +1,57 @@
import 'package:flutter/material.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:traccar_client/l10n/app_localizations.dart';
class PasswordService {
static final FlutterSecureStorage _secureStorage = const FlutterSecureStorage();
static const String _passwordKey = 'password';
static Future<bool> authenticate(BuildContext context) async {
if (!await _secureStorage.containsKey(key: _passwordKey)) return true;
final controller = TextEditingController();
bool? result;
if (context.mounted) {
result = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
content: TextField(
controller: controller,
autofocus: true,
obscureText: true,
decoration: InputDecoration(labelText: AppLocalizations.of(context)!.passwordLabel),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, false),
child: Text(AppLocalizations.of(context)!.cancelButton),
),
TextButton(
onPressed: () async {
final password = await _secureStorage.read(key: _passwordKey);
if (context.mounted) {
Navigator.pop(context, password == controller.text);
}
},
child: Text(AppLocalizations.of(context)!.okButton),
),
],
),
);
}
if (result != true && context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(AppLocalizations.of(context)!.passwordError)),
);
return false;
}
return result == true;
}
static Future<void> setPassword(String password) async {
if (password.isNotEmpty) {
await _secureStorage.write(key: _passwordKey, value: password);
} else {
await _secureStorage.delete(key: _passwordKey);
}
}
}

33
lib/settings_screen.dart
View file

@ -3,6 +3,7 @@ import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_background_geolocation/flutter_background_geolocation.dart' as bg;
import 'package:traccar_client/password_service.dart';
import 'package:traccar_client/qr_code_screen.dart';
import 'package:wakelock_partial_android/wakelock_partial_android.dart';
@ -83,6 +84,33 @@ class _SettingsScreenState extends State<SettingsScreen> {
}
}
Future<void> _changePassword() async {
final controller = TextEditingController();
final result = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
content: TextField(
controller: controller,
decoration: InputDecoration(labelText: AppLocalizations.of(context)!.passwordLabel),
obscureText: true,
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, false),
child: Text(AppLocalizations.of(context)!.cancelButton),
),
TextButton(
onPressed: () => Navigator.pop(context, true),
child: Text(AppLocalizations.of(context)!.saveButton),
),
],
),
);
if (result == true) {
await PasswordService.setPassword(controller.text);
}
}
Widget _buildListTile(String title, String key, bool isInt) {
String? value;
if (isInt) {
@ -201,6 +229,11 @@ class _SettingsScreenState extends State<SettingsScreen> {
setState(() {});
},
),
if (advanced)
ListTile(
title: Text(AppLocalizations.of(context)!.passwordLabel),
onTap: _changePassword,
),
],
),
);