fluffychat/lib/pages/homeserver_picker/homeserver_picker.dart
2022-04-15 13:55:39 +02:00

77 lines
2.5 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:matrix/matrix.dart';
import 'package:vrouter/vrouter.dart';
import 'package:fluffychat/config/app_config.dart';
import 'package:fluffychat/pages/homeserver_picker/homeserver_picker_view.dart';
import 'package:fluffychat/widgets/matrix.dart';
import '../../utils/localized_exception_extension.dart';
class HomeserverPicker extends StatefulWidget {
const HomeserverPicker({Key? key}) : super(key: key);
@override
HomeserverPickerController createState() => HomeserverPickerController();
}
class HomeserverPickerController extends State<HomeserverPicker> {
bool isLoading = false;
final TextEditingController homeserverController =
TextEditingController(text: AppConfig.defaultHomeserver);
String? error;
/// Starts an analysis of the given homeserver. It uses the current domain and
/// makes sure that it is prefixed with https. Then it searches for the
/// well-known information and forwards to the login page depending on the
/// login type.
Future<void> checkHomeserverAction() async {
setState(() {
error = null;
isLoading = true;
});
try {
homeserverController.text =
homeserverController.text.trim().toLowerCase().replaceAll(' ', '-');
var homeserver = Uri.parse(homeserverController.text);
if (homeserver.scheme.isEmpty) {
homeserver = Uri.https(homeserverController.text, '');
}
final matrix = Matrix.of(context);
matrix.loginHomeserverSummary =
await matrix.getLoginClient().checkHomeserver(homeserver);
final ssoSupported = matrix.loginHomeserverSummary!.loginFlows
.any((flow) => flow.type == 'm.login.sso');
try {
await Matrix.of(context).getLoginClient().register();
matrix.loginRegistrationSupported = true;
} on MatrixException catch (e) {
matrix.loginRegistrationSupported = e.requireAdditionalAuthentication;
}
if (!ssoSupported && matrix.loginRegistrationSupported == false) {
// Server does not support SSO or registration. We can skip to login page:
VRouter.of(context).to('login');
} else {
VRouter.of(context).to('connect');
}
} catch (e) {
setState(() => error = (e).toLocalizedString(context));
} finally {
if (mounted) {
setState(() => isLoading = false);
}
}
}
@override
Widget build(BuildContext context) {
Matrix.of(context).navigatorContext = context;
return HomeserverPickerView(this);
}
}