mirror of
https://github.com/Yubico/yubioath-flutter.git
synced 2024-11-27 06:14:58 +03:00
382 lines
14 KiB
Dart
382 lines
14 KiB
Dart
/*
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* Copyright (C) 2022-2023 Yubico.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter_gen/gen_l10n/app_localizations.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import '../../app/message.dart';
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import '../../app/models.dart';
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import '../../app/state.dart';
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import '../../core/models.dart';
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import '../../management/models.dart';
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import '../../widgets/app_input_decoration.dart';
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import '../../widgets/app_text_field.dart';
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import '../../widgets/app_text_form_field.dart';
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import '../../widgets/choice_filter_chip.dart';
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import '../../widgets/responsive_dialog.dart';
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import '../../widgets/utf8_utils.dart';
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import '../keys.dart' as keys;
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import '../models.dart';
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import '../state.dart';
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import 'pin_dialog.dart';
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class ManageKeyDialog extends ConsumerStatefulWidget {
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final DevicePath path;
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final PivState pivState;
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const ManageKeyDialog(this.path, this.pivState, {super.key});
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@override
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ConsumerState<ConsumerStatefulWidget> createState() =>
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_ManageKeyDialogState();
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}
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class _ManageKeyDialogState extends ConsumerState<ManageKeyDialog> {
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late bool _hasMetadata;
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late bool _defaultKeyUsed;
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late bool _defaultPinUsed;
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late bool _usesStoredKey;
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late bool _storeKey;
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bool _currentIsWrong = false;
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bool _currentInvalidFormat = false;
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bool _newInvalidFormat = false;
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int _attemptsRemaining = -1;
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late ManagementKeyType _keyType;
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final _currentController = TextEditingController();
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final _currentFocus = FocusNode();
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final _keyController = TextEditingController();
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bool _isObscure = true;
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@override
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void initState() {
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super.initState();
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_hasMetadata = widget.pivState.metadata != null;
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_keyType = widget.pivState.metadata?.managementKeyMetadata.keyType ??
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defaultManagementKeyType;
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_defaultKeyUsed =
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widget.pivState.metadata?.managementKeyMetadata.defaultValue ?? false;
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_defaultPinUsed =
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widget.pivState.metadata?.pinMetadata.defaultValue ?? false;
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_usesStoredKey = widget.pivState.protectedKey;
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if (!_usesStoredKey && _defaultKeyUsed) {
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_currentController.text = defaultManagementKey;
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} else if (_usesStoredKey && _defaultPinUsed) {
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_currentController.text = defaultPin;
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}
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_storeKey = _usesStoredKey;
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}
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@override
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void dispose() {
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_keyController.dispose();
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_currentController.dispose();
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_currentFocus.dispose();
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super.dispose();
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}
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_submit() async {
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final currentValidFormat =
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_usesStoredKey || Format.hex.isValid(_currentController.text);
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final newValidFormat = Format.hex.isValid(_keyController.text);
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if (!currentValidFormat || !newValidFormat) {
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setState(() {
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_currentInvalidFormat = !currentValidFormat;
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_newInvalidFormat = !newValidFormat;
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});
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return;
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}
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final notifier = ref.read(pivStateProvider(widget.path).notifier);
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if (_usesStoredKey) {
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final status = (await notifier.verifyPin(_currentController.text)).when(
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success: () => true,
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failure: (reason) {
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reason.maybeWhen(
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invalidPin: (attemptsRemaining) {
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_currentController.selection = TextSelection(
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baseOffset: 0, extentOffset: _currentController.text.length);
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_currentFocus.requestFocus();
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setState(() {
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_attemptsRemaining = attemptsRemaining;
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_currentIsWrong = true;
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});
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},
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orElse: () {},
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);
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return false;
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},
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);
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if (!status) {
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return;
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}
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} else {
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if (!await notifier.authenticate(_currentController.text)) {
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_currentController.selection = TextSelection(
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baseOffset: 0, extentOffset: _currentController.text.length);
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_currentFocus.requestFocus();
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setState(() {
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_currentIsWrong = true;
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});
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return;
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}
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}
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if (_storeKey && !_usesStoredKey) {
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if (_defaultPinUsed) {
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await notifier.verifyPin(defaultPin);
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} else {
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final withContext = ref.read(withContextProvider);
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final verified = await withContext((context) async =>
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await showBlurDialog(
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context: context,
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builder: (context) => PinDialog(widget.path))) ??
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false;
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if (!verified) {
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return;
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}
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}
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}
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await notifier.setManagementKey(_keyController.text,
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managementKeyType: _keyType, storeKey: _storeKey);
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if (!mounted) return;
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final l10n = AppLocalizations.of(context)!;
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showMessage(context, l10n.l_management_key_changed);
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Navigator.of(context).pop();
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}
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@override
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Widget build(BuildContext context) {
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final l10n = AppLocalizations.of(context)!;
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final currentType =
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widget.pivState.metadata?.managementKeyMetadata.keyType ??
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defaultManagementKeyType;
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final hexLength = _keyType.keyLength * 2;
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final currentKeyOrPin = _currentController.text;
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final currentLenOk = _usesStoredKey
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? currentKeyOrPin.length >= 4
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: currentKeyOrPin.length == currentType.keyLength * 2;
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final newLenOk = _keyController.text.length == hexLength;
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final (fipsCapable, fipsApproved) = ref
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.watch(currentDeviceDataProvider)
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.valueOrNull
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?.info
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.getFipsStatus(Capability.piv) ??
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(false, false);
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final fipsUnready = fipsCapable && !fipsApproved;
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final managementKeyTypes = ManagementKeyType.values.toList();
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if (fipsCapable) {
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managementKeyTypes.remove(ManagementKeyType.tdes);
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}
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return ResponsiveDialog(
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title: Text(l10n.l_change_management_key),
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actions: [
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TextButton(
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onPressed:
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!_currentIsWrong && currentLenOk && newLenOk ? _submit : null,
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key: keys.saveButton,
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child: Text(l10n.s_save),
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)
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],
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 18.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(l10n.p_change_management_key_desc),
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if (_usesStoredKey)
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AppTextField(
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autofocus: true,
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obscureText: _isObscure,
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autofillHints: const [AutofillHints.password],
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key: keys.pinPukField,
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maxLength: 8,
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inputFormatters: [limitBytesLength(8)],
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buildCounter: buildByteCounterFor(_currentController.text),
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controller: _currentController,
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focusNode: _currentFocus,
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readOnly: _defaultPinUsed,
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decoration: AppInputDecoration(
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border: const OutlineInputBorder(),
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labelText: l10n.s_pin,
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helperText: _defaultPinUsed ? l10n.l_default_pin_used : null,
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errorText: _currentIsWrong
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? l10n.l_wrong_pin_attempts_remaining(_attemptsRemaining)
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: null,
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errorMaxLines: 3,
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prefixIcon: const Icon(Symbols.pin),
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suffixIcon: IconButton(
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icon: Icon(_isObscure
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? Symbols.visibility
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: Symbols.visibility_off),
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onPressed: () {
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setState(() {
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_isObscure = !_isObscure;
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});
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},
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tooltip: _isObscure ? l10n.s_show_pin : l10n.s_hide_pin),
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),
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textInputAction: TextInputAction.next,
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onChanged: (value) {
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setState(() {
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_currentIsWrong = false;
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_currentInvalidFormat = false;
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});
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},
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).init(),
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if (!_usesStoredKey)
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AppTextFormField(
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key: keys.managementKeyField,
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autofocus: !_defaultKeyUsed,
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autofillHints: const [AutofillHints.password],
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controller: _currentController,
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focusNode: _currentFocus,
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readOnly: _defaultKeyUsed,
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maxLength: !_defaultKeyUsed ? currentType.keyLength * 2 : null,
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decoration: AppInputDecoration(
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border: const OutlineInputBorder(),
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labelText: l10n.s_current_management_key,
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helperText: _defaultKeyUsed ? l10n.l_default_key_used : null,
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errorText: _currentIsWrong
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? l10n.l_wrong_key
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: _currentInvalidFormat
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? l10n.l_invalid_format_allowed_chars(
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Format.hex.allowedCharacters)
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: null,
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errorMaxLines: 3,
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prefixIcon: const Icon(Symbols.key),
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suffixIcon: _hasMetadata
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? null
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: IconButton(
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icon: Icon(Symbols.auto_awesome,
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fill: _defaultKeyUsed ? 1.0 : 0.0),
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tooltip: l10n.s_use_default,
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onPressed: () {
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setState(() {
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_defaultKeyUsed = !_defaultKeyUsed;
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if (_defaultKeyUsed) {
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_currentController.text = defaultManagementKey;
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} else {
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_currentController.clear();
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}
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});
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},
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),
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),
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textInputAction: TextInputAction.next,
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onChanged: (value) {
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setState(() {
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_currentIsWrong = false;
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});
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},
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).init(),
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AppTextField(
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key: keys.newPinPukField,
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autofocus: _defaultKeyUsed,
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autofillHints: const [AutofillHints.newPassword],
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maxLength: hexLength,
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controller: _keyController,
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decoration: AppInputDecoration(
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border: const OutlineInputBorder(),
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labelText: l10n.s_new_management_key,
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errorText: _newInvalidFormat
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? l10n.l_invalid_format_allowed_chars(
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Format.hex.allowedCharacters)
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: null,
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enabled: currentLenOk,
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prefixIcon: const Icon(Symbols.key),
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suffixIcon: IconButton(
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key: keys.managementKeyRefresh,
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icon: const Icon(Symbols.refresh),
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tooltip: l10n.s_generate_random,
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onPressed: currentLenOk
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? () {
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final random = Random.secure();
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final key = List.generate(
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_keyType.keyLength,
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(_) => random
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.nextInt(256)
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.toRadixString(16)
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.padLeft(2, '0')).join();
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setState(() {
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_keyController.text = key;
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_newInvalidFormat = false;
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});
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}
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: null,
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),
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),
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textInputAction: TextInputAction.next,
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onChanged: (_) {
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setState(() {
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// Update length
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});
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},
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onSubmitted: (_) {
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if (currentLenOk && newLenOk) {
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_submit();
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}
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},
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).init(),
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Wrap(
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crossAxisAlignment: WrapCrossAlignment.center,
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spacing: 4.0,
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runSpacing: 8.0,
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children: [
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if (widget.pivState.metadata != null)
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ChoiceFilterChip<ManagementKeyType>(
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items: managementKeyTypes,
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value: _keyType,
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selected: _keyType != currentType,
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itemBuilder: (value) => Text(value.getDisplayName(l10n)),
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onChanged: (value) {
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setState(() {
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_keyType = value;
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});
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},
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),
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if (!fipsUnready)
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FilterChip(
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key: keys.pinLockManagementKeyChip,
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label: Text(l10n.s_protect_key),
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selected: _storeKey,
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onSelected: (value) {
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setState(() {
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_storeKey = value;
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});
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},
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),
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]),
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]
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.map((e) => Padding(
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padding: const EdgeInsets.symmetric(vertical: 8.0),
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child: e,
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))
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.toList(),
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),
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),
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);
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}
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}
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