yubioath-flutter/lib/app/views/main_page.dart
2023-02-09 10:14:31 +01:00

179 lines
6.2 KiB
Dart
Executable File

/*
* Copyright (C) 2022-2023 Yubico.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:yubico_authenticator/android/app_methods.dart';
import 'package:yubico_authenticator/android/state.dart';
import 'package:yubico_authenticator/widgets/custom_icons.dart';
import '../../exception/cancellation_exception.dart';
import '../../core/state.dart';
import '../../fido/views/fido_screen.dart';
import '../../oath/models.dart';
import '../../oath/views/add_account_page.dart';
import '../../oath/views/oath_screen.dart';
import '../message.dart';
import '../models.dart';
import '../state.dart';
import 'device_error_screen.dart';
import 'message_page.dart';
class MainPage extends ConsumerWidget {
const MainPage({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
ref.listen<Function(BuildContext)?>(
contextConsumer,
(previous, next) {
next?.call(context);
},
);
if (isAndroid) {
isNfcEnabled().then((value) => ref.read(androidNfcStateProvider.notifier).setNfcEnabled(value));
}
// If the current device changes, we need to pop any open dialogs.
ref.listen<AsyncValue<YubiKeyData>>(currentDeviceDataProvider, (_, __) {
Navigator.of(context).popUntil((route) {
return route.isFirst ||
[
'device_picker',
'settings',
'about',
'licenses',
'user_interaction_prompt',
'oath_add_account',
].contains(route.settings.name);
});
});
final deviceNode = ref.watch(currentDeviceProvider);
final isDarkTheme = Theme.of(context).brightness == Brightness.dark;
final noKeyImage = Image.asset(
isDarkTheme
? 'assets/graphics/no-key_dark.png'
: 'assets/graphics/no-key.png',
filterQuality: FilterQuality.medium,
scale: 2,
);
if (deviceNode == null) {
if (isAndroid) {
var hasNfcSupport = ref.watch(androidNfcSupportProvider);
var isNfcEnabled = ref.watch(androidNfcStateProvider);
return MessagePage(
graphic: noKeyImage,
message: hasNfcSupport
? isNfcEnabled
? 'Tap or insert your YubiKey'
: 'Insert your YubiKey'
: 'Insert your YubiKey',
actions: hasNfcSupport && !isNfcEnabled
? [
ElevatedButton.icon(
label: const Text('Enable NFC'),
icon: nfcIcon,
onPressed: () async {
await openNfcSettings();
})
]
: [],
actionButtonBuilder: (context) => IconButton(
icon: const Icon(Icons.person_add_alt_1),
tooltip: 'Add account',
onPressed: () async {
CredentialData? otpauth;
final scanner = ref.read(qrScannerProvider);
if (scanner != null) {
try {
final url = await scanner.scanQr();
if (url != null) {
otpauth = CredentialData.fromUri(Uri.parse(url));
}
} on CancellationException catch (_) {
// ignored - user cancelled
return;
}
}
await ref.read(withContextProvider)((context) => showBlurDialog(
context: context,
routeSettings:
const RouteSettings(name: 'oath_add_account'),
builder: (context) {
return OathAddAccountPage(
null,
null,
credentials: null,
credentialData: otpauth,
);
},
));
},
),
);
} else {
return MessagePage(
delayedContent: true,
graphic: noKeyImage,
message: 'Insert your YubiKey',
);
}
} else {
return ref.watch(currentDeviceDataProvider).when(
data: (data) {
final app = ref.watch(currentAppProvider);
if (data.info.supportedCapabilities.isEmpty &&
data.name == 'Unrecognized device') {
return const MessagePage(
header: 'Device not recognized',
);
} else if (app.getAvailability(data) ==
Availability.unsupported) {
return MessagePage(
header: 'Application not supported',
message:
'The used YubiKey does not support \'${app.name}\' application',
);
} else if (app.getAvailability(data) != Availability.enabled) {
return MessagePage(
header: 'Application disabled',
message: 'Enable the \'${app.name}\' application on your YubiKey to access',
);
}
switch (app) {
case Application.oath:
return OathScreen(data.node.path);
case Application.fido:
return FidoScreen(data);
default:
return const MessagePage(
header: 'Not supported',
message: 'This application is not supported',
);
}
},
loading: () => DeviceErrorScreen(deviceNode),
error: (error, _) => DeviceErrorScreen(deviceNode, error: error),
);
}
}
}