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

192 lines
5.7 KiB
Dart

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:flutter_web_auth/flutter_web_auth.dart';
import 'package:future_loading_dialog/future_loading_dialog.dart';
import 'package:image_picker/image_picker.dart';
import 'package:matrix/matrix.dart';
import 'package:universal_html/html.dart' as html;
import 'package:vrouter/vrouter.dart';
import 'package:fluffychat/config/app_config.dart';
import 'package:fluffychat/pages/connect/connect_page_view.dart';
import 'package:fluffychat/utils/localized_exception_extension.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:fluffychat/widgets/matrix.dart';
class ConnectPage extends StatefulWidget {
const ConnectPage({Key? key}) : super(key: key);
@override
State<ConnectPage> createState() => ConnectPageController();
}
class ConnectPageController extends State<ConnectPage> {
final TextEditingController usernameController = TextEditingController();
String? signupError;
bool loading = false;
void pickAvatar() async {
final source = !PlatformInfos.isMobile
? ImageSource.gallery
: await showModalActionSheet<ImageSource>(
context: context,
title: L10n.of(context)!.changeYourAvatar,
actions: [
SheetAction(
key: ImageSource.camera,
label: L10n.of(context)!.openCamera,
isDefaultAction: true,
icon: Icons.camera_alt_outlined,
),
SheetAction(
key: ImageSource.gallery,
label: L10n.of(context)!.openGallery,
icon: Icons.photo_outlined,
),
],
);
if (source == null) return;
final picked = await ImagePicker().pickImage(
source: source,
imageQuality: 50,
maxWidth: 512,
maxHeight: 512,
);
setState(() {
Matrix.of(context).loginAvatar = picked;
});
}
void signUp() async {
usernameController.text = usernameController.text.trim();
final localpart =
usernameController.text.toLowerCase().replaceAll(' ', '_');
if (localpart.isEmpty) {
setState(() {
signupError = L10n.of(context)!.pleaseChooseAUsername;
});
return;
}
setState(() {
signupError = null;
loading = true;
});
try {
try {
await Matrix.of(context).getLoginClient().register(username: localpart);
} on MatrixException catch (e) {
if (!e.requireAdditionalAuthentication) rethrow;
}
setState(() {
loading = false;
});
Matrix.of(context).loginUsername = usernameController.text;
VRouter.of(context).to('signup');
} catch (e, s) {
Logs().d('Sign up failed', e, s);
setState(() {
signupError = e.toLocalizedString(context);
loading = false;
});
}
}
bool _supportsFlow(String flowType) =>
Matrix.of(context)
.loginHomeserverSummary
?.loginFlows
.any((flow) => flow.type == flowType) ??
false;
bool get supportsSso =>
(PlatformInfos.isMobile ||
PlatformInfos.isWeb ||
PlatformInfos.isMacOS) &&
_supportsFlow('m.login.sso');
bool get supportsLogin => _supportsFlow('m.login.password');
void login() => VRouter.of(context).to('login');
Map<String, dynamic>? _rawLoginTypes;
List<IdentityProvider>? get identityProviders {
final loginTypes = _rawLoginTypes;
if (loginTypes == null) return null;
final rawProviders = loginTypes.tryGetList('flows')!.singleWhere((flow) =>
flow['type'] == AuthenticationTypes.sso)['identity_providers'];
final list = (rawProviders as List)
.map((json) => IdentityProvider.fromJson(json))
.toList();
if (PlatformInfos.isCupertinoStyle) {
list.sort((a, b) => a.brand == 'apple' ? -1 : 1);
}
return list;
}
void ssoLoginAction(String id) async {
final redirectUrl = kIsWeb
? html.window.origin! + '/web/auth.html'
: AppConfig.appOpenUrlScheme.toLowerCase() + '://login';
final url =
'${Matrix.of(context).getLoginClient().homeserver?.toString()}/_matrix/client/r0/login/sso/redirect/${Uri.encodeComponent(id)}?redirectUrl=${Uri.encodeQueryComponent(redirectUrl)}';
final urlScheme = Uri.parse(redirectUrl).scheme;
final result = await FlutterWebAuth.authenticate(
url: url,
callbackUrlScheme: urlScheme,
);
final token = Uri.parse(result).queryParameters['loginToken'];
if (token?.isEmpty ?? false) return;
await showFutureLoadingDialog(
context: context,
future: () => Matrix.of(context).getLoginClient().login(
LoginType.mLoginToken,
token: token,
initialDeviceDisplayName: PlatformInfos.clientName,
),
);
}
@override
void initState() {
super.initState();
if (supportsSso) {
Matrix.of(context)
.getLoginClient()
.request(
RequestType.GET,
'/client/r0/login',
)
.then((loginTypes) => setState(() {
_rawLoginTypes = loginTypes;
}));
}
}
@override
Widget build(BuildContext context) => ConnectPageView(this);
}
class IdentityProvider {
final String? id;
final String? name;
final String? icon;
final String? brand;
IdentityProvider({this.id, this.name, this.icon, this.brand});
factory IdentityProvider.fromJson(Map<String, dynamic> json) =>
IdentityProvider(
id: json['id'],
name: json['name'],
icon: json['icon'],
brand: json['brand'],
);
}