cake_wallet/lib/core/auth_service.dart
OmarHatem 21c8d9c16d Merge branch 'v4.13.1_v1.10.1' of https://github.com/cake-tech/cake_wallet into cw_linux_direct_input_password
 Conflicts:
	lib/di.dart
	lib/entities/default_settings_migration.dart
2024-01-28 05:04:56 +02:00

151 lines
5 KiB
Dart

import 'dart:io';
import 'package:cake_wallet/core/totp_request_details.dart';
import 'package:cake_wallet/routes.dart';
import 'package:cake_wallet/src/screens/auth/auth_page.dart';
import 'package:flutter/material.dart';
import 'package:mobx/mobx.dart';
import 'package:cake_wallet/core/secure_storage.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:cake_wallet/entities/preferences_key.dart';
import 'package:cake_wallet/entities/secret_store_key.dart';
import 'package:cake_wallet/entities/encrypt.dart';
import 'package:cake_wallet/store/settings_store.dart';
import '../src/screens/setup_2fa/setup_2fa_enter_code_page.dart';
class AuthService with Store {
AuthService({
required this.secureStorage,
required this.sharedPreferences,
required this.settingsStore,
});
static const List<String> _alwaysAuthenticateRoutes = [
Routes.showKeys,
Routes.backup,
Routes.setupPin,
Routes.setup_2faPage,
Routes.modify2FAPage,
Routes.newWallet,
Routes.newWalletType,
Routes.addressBookAddContact,
Routes.restoreOptions,
];
final SecureStorage secureStorage;
final SharedPreferences sharedPreferences;
final SettingsStore settingsStore;
Future<void> setPassword(String password) async {
final key = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
final encodedPassword = encodedPinCode(pin: password);
// secure storage has a weird bug on macOS, where overwriting a key doesn't work, unless
// we delete what's there first:
if (Platform.isMacOS) {
await secureStorage.delete(key: key);
}
await secureStorage.write(key: key, value: encodedPassword);
}
Future<bool> canAuthenticate() async {
final key = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
final walletName = sharedPreferences.getString(PreferencesKey.currentWalletName) ?? '';
var password = '';
try {
password = await secureStorage.read(key: key) ?? '';
} catch (e) {
print(e);
}
return walletName.isNotEmpty && password.isNotEmpty;
}
Future<bool> authenticate(String pin) async {
final key = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
final encodedPin = await secureStorage.read(key: key);
final decodedPin = decodedPinCode(pin: encodedPin!);
return decodedPin == pin;
}
void saveLastAuthTime() {
int timestamp = DateTime.now().millisecondsSinceEpoch;
secureStorage.write(key: SecureKey.lastAuthTimeMilliseconds, value: timestamp.toString());
}
Future<bool> requireAuth() async {
final timestamp = int.tryParse(await secureStorage.read(key: SecureKey.lastAuthTimeMilliseconds) ?? '0');
final duration = _durationToRequireAuth(timestamp ?? 0);
final requiredPinInterval = settingsStore.pinTimeOutDuration;
return duration >= requiredPinInterval.value;
}
int _durationToRequireAuth(int timestamp) {
DateTime before = DateTime.fromMillisecondsSinceEpoch(timestamp);
DateTime now = DateTime.now();
Duration timeDifference = now.difference(before);
return timeDifference.inMinutes;
}
Future<void> authenticateAction(BuildContext context,
{Function(bool)? onAuthSuccess,
String? route,
Object? arguments,
required bool conditionToDetermineIfToUse2FA}) async {
assert(route != null || onAuthSuccess != null,
'Either route or onAuthSuccess param must be passed.');
if (!conditionToDetermineIfToUse2FA) {
if (!(await requireAuth()) && !_alwaysAuthenticateRoutes.contains(route)) {
if (onAuthSuccess != null) {
onAuthSuccess(true);
} else {
Navigator.of(context).pushNamed(
route ?? '',
arguments: arguments,
);
}
return;
}
}
Navigator.of(context).pushNamed(Routes.auth,
arguments: (bool isAuthenticatedSuccessfully, AuthPageState auth) async {
if (!isAuthenticatedSuccessfully) {
onAuthSuccess?.call(false);
return;
} else {
if (settingsStore.useTOTP2FA && conditionToDetermineIfToUse2FA) {
auth.close(
route: Routes.totpAuthCodePage,
arguments: TotpAuthArgumentsModel(
isForSetup: !settingsStore.useTOTP2FA,
onTotpAuthenticationFinished:
(bool isAuthenticatedSuccessfully, TotpAuthCodePageState totpAuth) async {
if (!isAuthenticatedSuccessfully) {
onAuthSuccess?.call(false);
return;
}
if (onAuthSuccess != null) {
totpAuth.close().then((value) => onAuthSuccess.call(true));
} else {
totpAuth.close(route: route, arguments: arguments);
}
},
),
);
} else {
if (onAuthSuccess != null) {
auth.close().then((value) => onAuthSuccess.call(true));
} else {
auth.close(route: route, arguments: arguments);
}
}
}
});
}
}