mirror of
https://github.com/Yubico/yubioath-flutter.git
synced 2024-12-23 18:22:39 +03:00
568 lines
21 KiB
Dart
Executable File
568 lines
21 KiB
Dart
Executable File
/*
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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:async';
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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:logging/logging.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import '../../android/oath/state.dart';
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import '../../app/logging.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 '../../app/views/user_interaction.dart';
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import '../../core/models.dart';
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import '../../core/state.dart';
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import '../../desktop/models.dart';
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import '../../exception/apdu_exception.dart';
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import '../../exception/cancellation_exception.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/choice_filter_chip.dart';
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import '../../widgets/file_drop_overlay.dart';
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import '../../widgets/file_drop_target.dart';
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import '../../widgets/focus_utils.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 'unlock_form.dart';
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import 'utils.dart';
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final _log = Logger('oath.view.add_account_page');
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class OathAddAccountPage extends ConsumerStatefulWidget {
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final DevicePath? devicePath;
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final OathState? state;
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final List<OathCredential>? credentials;
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final CredentialData? credentialData;
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const OathAddAccountPage(
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this.devicePath,
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this.state, {
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super.key,
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required this.credentials,
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this.credentialData,
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});
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@override
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ConsumerState<ConsumerStatefulWidget> createState() =>
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_OathAddAccountPageState();
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}
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class _OathAddAccountPageState extends ConsumerState<OathAddAccountPage> {
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final _issuerController = TextEditingController();
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final _accountController = TextEditingController();
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final _secretController = TextEditingController();
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final _periodController = TextEditingController(text: '$defaultPeriod');
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UserInteractionController? _promptController;
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Uri? _otpauthUri;
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bool _touch = false;
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OathType _oathType = defaultOathType;
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HashAlgorithm _hashAlgorithm = defaultHashAlgorithm;
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int _digits = defaultDigits;
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int _counter = defaultCounter;
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bool _validateSecret = false;
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bool _dataLoaded = false;
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bool _isObscure = true;
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List<int> _periodValues = [20, 30, 45, 60];
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List<int> _digitsValues = [6, 8];
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List<OathCredential>? _credentials;
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@override
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void dispose() {
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_issuerController.dispose();
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_accountController.dispose();
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_secretController.dispose();
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_periodController.dispose();
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super.dispose();
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}
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@override
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void initState() {
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super.initState();
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final cred = widget.credentialData;
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if (cred != null) {
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_loadCredentialData(cred);
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}
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}
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_loadCredentialData(CredentialData data) {
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setState(() {
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_issuerController.text = data.issuer?.trim() ?? '';
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_accountController.text = data.name.trim();
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_secretController.text = data.secret;
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_oathType = data.oathType;
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_hashAlgorithm = data.hashAlgorithm;
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_periodValues = [data.period];
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_periodController.text = '${data.period}';
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_digitsValues = [data.digits];
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_digits = data.digits;
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_counter = data.counter;
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_isObscure = true;
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_dataLoaded = true;
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});
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}
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Future<void> _doAddCredential(
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{DevicePath? devicePath, required Uri credUri}) async {
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final l10n = AppLocalizations.of(context)!;
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try {
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FocusUtils.unfocus(context);
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if (devicePath == null) {
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assert(isAndroid, 'devicePath is only optional for Android');
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await ref
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.read(addCredentialToAnyProvider)
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.call(credUri, requireTouch: _touch);
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} else {
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await ref
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.read(credentialListProvider(devicePath).notifier)
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.addAccount(credUri, requireTouch: _touch);
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}
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if (!mounted) return;
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Navigator.of(context).pop();
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showMessage(context, l10n.s_account_added);
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} on CancellationException catch (_) {
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// ignored
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} catch (e) {
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_log.error('Failed to add account', e);
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final String errorMessage;
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// TODO: Make this cleaner than importing desktop specific RpcError.
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if (e is RpcError) {
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errorMessage = e.message;
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} else if (e is ApduException) {
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errorMessage = e.message;
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} else {
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errorMessage = e.toString();
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}
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showMessage(
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context,
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l10n.l_account_add_failed(errorMessage),
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duration: const Duration(seconds: 4),
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);
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}
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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 deviceNode = ref.watch(currentDeviceProvider);
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if (widget.devicePath != null && widget.devicePath != deviceNode?.path) {
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// If the dialog was started for a specific device and it was
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// changed/removed, close the dialog.
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Navigator.of(context).popUntil((route) => route.isFirst);
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}
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final OathState? oathState;
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if (widget.state == null && deviceNode != null) {
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oathState = ref
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.watch(oathStateProvider(deviceNode.path))
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.maybeWhen(data: (data) => data, orElse: () => null);
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_credentials = ref
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.watch(credentialListProvider(deviceNode.path))
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?.map((e) => e.credential)
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.toList();
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} else {
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oathState = widget.state;
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_credentials = widget.credentials;
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}
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final otpauthUri = _otpauthUri;
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_promptController?.updateContent(title: l10n.l_insert_yk);
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if (otpauthUri != null && deviceNode != null) {
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final deviceData = ref.watch(currentDeviceDataProvider);
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deviceData.when(data: (data) {
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if (Capability.oath.value ^
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(data.info.config.enabledCapabilities[deviceNode.transport] ??
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0) !=
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0) {
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if (oathState == null) {
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_promptController?.updateContent(title: l10n.s_please_wait);
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} else if (oathState.locked) {
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_promptController?.close();
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} else {
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_otpauthUri = null;
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_promptController?.close();
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Timer.run(() => _doAddCredential(
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devicePath: deviceNode.path,
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credUri: otpauthUri,
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));
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}
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} else {
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_promptController?.updateContent(title: l10n.s_unsupported_yk);
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}
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}, error: (error, _) {
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_promptController?.updateContent(title: l10n.s_unsupported_yk);
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}, loading: () {
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_promptController?.updateContent(title: l10n.s_please_wait);
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});
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}
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final period = int.tryParse(_periodController.text) ?? -1;
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final issuerText = _issuerController.text.trim();
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final nameText = _accountController.text.trim();
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final (issuerRemaining, nameRemaining) = getRemainingKeySpace(
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oathType: _oathType,
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period: period,
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issuer: issuerText,
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name: nameText,
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);
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final issuerMaxLength = max(issuerRemaining, 1);
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final nameMaxLength = max(nameRemaining, 1);
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final secret = _secretController.text.replaceAll(' ', '');
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final secretLengthValid = secret.length * 5 % 8 < 5;
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final secretFormatValid = Format.base32.isValid(secret);
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// is this credentials name/issuer pair different from all other?
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final isUnique = _credentials
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?.where((element) =>
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element.name == nameText &&
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(element.issuer ?? '') == issuerText)
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.isEmpty ??
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true;
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final issuerNoColon = !_issuerController.text.contains(':');
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final isLocked = oathState?.locked ?? false;
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final isValid = !isLocked &&
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nameText.isNotEmpty &&
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secret.isNotEmpty &&
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isUnique &&
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issuerNoColon &&
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issuerRemaining >= -1 &&
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nameRemaining >= 0 &&
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period > 0;
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final hashAlgorithms = HashAlgorithm.values
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.where((alg) =>
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alg != HashAlgorithm.sha512 ||
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(oathState?.version.isAtLeast(4, 3, 1) ?? true))
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.toList();
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if (!hashAlgorithms.contains(_hashAlgorithm)) {
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_hashAlgorithm = HashAlgorithm.sha1;
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}
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if (!(oathState?.version.isAtLeast(4, 2) ?? true)) {
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// Touch not supported
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_touch = false;
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}
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void submit() async {
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if (secretLengthValid && secretFormatValid) {
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final cred = CredentialData(
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issuer: issuerText.isEmpty ? null : issuerText,
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name: nameText,
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secret: secret,
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oathType: _oathType,
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hashAlgorithm: _hashAlgorithm,
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digits: _digits,
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period: period,
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counter: _counter,
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);
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final devicePath = deviceNode?.path;
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if (devicePath != null) {
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await _doAddCredential(devicePath: devicePath, credUri: cred.toUri());
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} else if (isAndroid) {
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// Send the credential to Android to be added to the next YubiKey
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await _doAddCredential(devicePath: null, credUri: cred.toUri());
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} else {
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// Desktop. No YubiKey, prompt and store the cred.
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_otpauthUri = cred.toUri();
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_promptController = promptUserInteraction(
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context,
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title: l10n.l_insert_yk,
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description: l10n.s_add_account,
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icon: const Icon(Symbols.usb),
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onCancel: () {
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_otpauthUri = null;
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},
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);
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}
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} else {
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setState(() {
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_validateSecret = true;
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});
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}
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}
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return FileDropTarget(
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onFileDropped: (file) async {
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final qrScanner = ref.read(qrScannerProvider);
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final withContext = ref.read(withContextProvider);
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if (qrScanner != null) {
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final qrData =
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await handleQrFile(file, context, withContext, qrScanner);
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if (qrData != null) {
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await withContext((context) async {
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List<CredentialData> creds;
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try {
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creds = CredentialData.fromUri(Uri.parse(qrData));
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} catch (_) {
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showMessage(context, l10n.l_invalid_qr);
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return;
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}
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if (creds.length == 1) {
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_loadCredentialData(creds[0]);
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} else {
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Navigator.of(context).pop();
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await handleUri(context, widget.credentials, qrData,
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widget.devicePath, widget.state, l10n);
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}
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});
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}
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}
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},
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overlay: FileDropOverlay(
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title: l10n.s_add_account,
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subtitle: l10n.l_drop_qr_description,
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),
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child: ResponsiveDialog(
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title: Text(l10n.s_add_account),
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actions: [
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TextButton(
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onPressed: isValid ? submit : null,
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child: Text(l10n.s_save, key: keys.saveButton),
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),
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],
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child: isLocked
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? Padding(
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padding: const EdgeInsets.symmetric(vertical: 18),
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child:
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UnlockForm(deviceNode!.path, keystore: oathState!.keystore),
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)
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: 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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AppTextField(
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key: keys.issuerField,
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controller: _issuerController,
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autofocus: widget.credentialData == null,
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enabled: issuerRemaining > 0,
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maxLength: issuerMaxLength,
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inputFormatters: [
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limitBytesLength(issuerRemaining),
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],
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buildCounter: buildByteCounterFor(issuerText),
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decoration: AppInputDecoration(
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border: const OutlineInputBorder(),
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labelText: l10n.s_issuer_optional,
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helperText:
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'', // Prevents dialog resizing when disabled
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errorText: (byteLength(issuerText) > issuerMaxLength)
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? '' // needs empty string to render as error
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: issuerNoColon
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? null
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: l10n.l_invalid_character_issuer,
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prefixIcon: const Icon(Symbols.business),
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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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// Update maxlengths
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});
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},
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onSubmitted: (_) {
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if (isValid) submit();
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},
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).init(),
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AppTextField(
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key: keys.nameField,
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controller: _accountController,
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maxLength: nameMaxLength,
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buildCounter: buildByteCounterFor(nameText),
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inputFormatters: [limitBytesLength(nameRemaining)],
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decoration: AppInputDecoration(
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border: const OutlineInputBorder(),
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labelText: l10n.s_account_name,
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helperText: '',
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// Prevents dialog resizing when disabled
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errorText: (byteLength(nameText) > nameMaxLength)
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? '' // needs empty string to render as error
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: isUnique
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? null
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: l10n.l_name_already_exists,
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prefixIcon: const Icon(Symbols.person),
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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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// Update maxlengths
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});
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},
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onSubmitted: (_) {
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if (isValid) submit();
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},
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).init(),
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AppTextField(
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key: keys.secretField,
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controller: _secretController,
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obscureText: _isObscure,
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// avoid using autofill hints on Android otherwise Autofill service
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// would hint to use saved passwords for this field
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autofillHints:
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isAndroid ? [] : const [AutofillHints.password],
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decoration: AppInputDecoration(
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border: const OutlineInputBorder(),
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labelText: l10n.s_secret_key,
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errorText: _validateSecret && !secretLengthValid
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? l10n.s_invalid_length
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: _validateSecret && !secretFormatValid
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? l10n.l_invalid_format_allowed_chars(
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Format.base32.allowedCharacters)
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: null,
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prefixIcon: const Icon(Symbols.key),
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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
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? l10n.s_show_secret_key
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: l10n.s_hide_secret_key,
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)),
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readOnly: _dataLoaded,
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textInputAction: TextInputAction.done,
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onChanged: (value) {
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setState(() {
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_validateSecret = false;
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});
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},
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onSubmitted: (_) {
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if (isValid) submit();
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},
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).init(),
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const SizedBox(height: 8),
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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 (oathState?.version.isAtLeast(4, 2) ?? true)
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FilterChip(
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key: keys.requireTouchFilterChip,
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label: Text(l10n.s_require_touch),
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selected: _touch,
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onSelected: (value) {
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setState(() {
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_touch = value;
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});
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},
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),
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ChoiceFilterChip<OathType>(
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key: keys.oathTypeFilterChip,
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items: OathType.values,
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value: _oathType,
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selected: _oathType != defaultOathType,
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itemBuilder: (value) => Text(
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value.getDisplayName(l10n),
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key: value == OathType.totp
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? keys.oathTypeTotpFilterValue
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: keys.oathTypeHotpFilterValue),
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onChanged: !_dataLoaded
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? (value) {
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setState(() {
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_oathType = value;
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});
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}
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: null,
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),
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ChoiceFilterChip<HashAlgorithm>(
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key: keys.hashAlgorithmFilterChip,
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items: hashAlgorithms,
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value: _hashAlgorithm,
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selected: _hashAlgorithm != defaultHashAlgorithm,
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itemBuilder: (value) => Text(value.displayName,
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key: value == HashAlgorithm.sha1
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? keys.hashAlgorithmSha1FilterValue
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: value == HashAlgorithm.sha256
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? keys.hashAlgorithmSha256FilterValue
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: keys.hashAlgorithmSha512FilterValue),
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onChanged: !_dataLoaded
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? (value) {
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setState(() {
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_hashAlgorithm = value;
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});
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}
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: null,
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),
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if (_oathType == OathType.totp)
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ChoiceFilterChip<int>(
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key: keys.periodFilterChip,
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items: _periodValues,
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value: int.tryParse(_periodController.text) ??
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|
defaultPeriod,
|
|
selected: int.tryParse(_periodController.text) !=
|
|
defaultPeriod,
|
|
itemBuilder: ((value) =>
|
|
Text(l10n.s_num_sec(value))),
|
|
onChanged: !_dataLoaded
|
|
? (period) {
|
|
setState(() {
|
|
_periodController.text = '$period';
|
|
});
|
|
}
|
|
: null,
|
|
),
|
|
ChoiceFilterChip<int>(
|
|
key: keys.digitsFilterChip,
|
|
items: _digitsValues,
|
|
value: _digits,
|
|
selected: _digits != defaultDigits,
|
|
itemBuilder: (value) =>
|
|
Text(l10n.s_num_digits(value)),
|
|
// TODO: need to figure out how to add values for
|
|
// digits6FilterValue
|
|
// digits8FilterValue
|
|
onChanged: !_dataLoaded
|
|
? (digits) {
|
|
setState(() {
|
|
_digits = digits;
|
|
});
|
|
}
|
|
: null,
|
|
),
|
|
],
|
|
),
|
|
]
|
|
.map((e) => Padding(
|
|
padding: const EdgeInsets.symmetric(vertical: 8.0),
|
|
child: e,
|
|
))
|
|
.toList(),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|