fluffychat/lib/pages/homeserver_picker/homeserver_picker.dart

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Dart
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:matrix/matrix.dart';
import 'package:vrouter/vrouter.dart';
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import 'package:fluffychat/config/app_config.dart';
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import 'package:fluffychat/pages/homeserver_picker/homeserver_picker_view.dart';
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import 'package:fluffychat/widgets/matrix.dart';
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import '../../utils/localized_exception_extension.dart';
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class HomeserverPicker extends StatefulWidget {
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const HomeserverPicker({Key? key}) : super(key: key);
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@override
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HomeserverPickerController createState() => HomeserverPickerController();
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}
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class HomeserverPickerController extends State<HomeserverPicker> {
bool isLoading = false;
final TextEditingController homeserverController =
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TextEditingController(text: AppConfig.defaultHomeserver);
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String? error;
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/// 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
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/// login type.
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Future<void> checkHomeserverAction() async {
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setState(() {
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error = null;
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isLoading = true;
});
try {
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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');
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try {
await Matrix.of(context).getLoginClient().register();
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matrix.loginRegistrationSupported = true;
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} on MatrixException catch (e) {
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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');
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}
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} catch (e) {
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setState(() => error = (e).toLocalizedString(context));
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} finally {
if (mounted) {
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setState(() => isLoading = false);
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}
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}
}
@override
Widget build(BuildContext context) {
Matrix.of(context).navigatorContext = context;
return HomeserverPickerView(this);
}
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}