fluffychat/lib/pages/login/login.dart
2021-12-04 19:54:07 +01:00

249 lines
8.3 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:email_validator/email_validator.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:future_loading_dialog/future_loading_dialog.dart';
import 'package:matrix/matrix.dart';
import 'package:fluffychat/widgets/matrix.dart';
import '../../config/app_config.dart';
import '../../config/setting_keys.dart';
import '../../utils/platform_infos.dart';
import 'login_view.dart';
class Login extends StatefulWidget {
const Login({Key key}) : super(key: key);
@override
LoginController createState() => LoginController();
}
class LoginController extends State<Login> {
final TextEditingController usernameController = TextEditingController();
final TextEditingController passwordController = TextEditingController();
String usernameError;
String passwordError;
bool loading = false;
bool showPassword = false;
void toggleShowPassword() => setState(() => showPassword = !showPassword);
void login([_]) async {
final matrix = Matrix.of(context);
if (usernameController.text.isEmpty) {
setState(() => usernameError = L10n.of(context).pleaseEnterYourUsername);
} else {
setState(() => usernameError = null);
}
if (passwordController.text.isEmpty) {
setState(() => passwordError = L10n.of(context).pleaseEnterYourPassword);
} else {
setState(() => passwordError = null);
}
if (usernameController.text.isEmpty || passwordController.text.isEmpty) {
return;
}
setState(() => loading = true);
try {
final username = usernameController.text;
AuthenticationIdentifier identifier;
if (username.isEmail) {
identifier = AuthenticationThirdPartyIdentifier(
medium: 'email',
address: username,
);
} else if (username.isPhoneNumber) {
identifier = AuthenticationThirdPartyIdentifier(
medium: 'msisdn',
address: username,
);
} else {
identifier = AuthenticationUserIdentifier(user: username);
}
await matrix.getLoginClient().login(LoginType.mLoginPassword,
identifier: identifier,
// To stay compatible with older server versions
// ignore: deprecated_member_use
user: identifier.type == AuthenticationIdentifierTypes.userId
? username
: null,
password: passwordController.text,
initialDeviceDisplayName: PlatformInfos.clientName);
} on MatrixException catch (exception) {
setState(() => passwordError = exception.errorMessage);
return setState(() => loading = false);
} catch (exception) {
setState(() => passwordError = exception.toString());
return setState(() => loading = false);
}
if (mounted) setState(() => loading = false);
}
Timer _coolDown;
void checkWellKnownWithCoolDown(String userId) async {
_coolDown?.cancel();
_coolDown = Timer(
const Duration(seconds: 1),
() => _checkWellKnown(userId),
);
}
void _checkWellKnown(String userId) async {
setState(() => usernameError = null);
if (!userId.isValidMatrixId) return;
try {
final oldHomeserver = Matrix.of(context).getLoginClient().homeserver;
var newDomain = Uri.https(userId.domain, '');
Matrix.of(context).getLoginClient().homeserver = newDomain;
DiscoveryInformation wellKnownInformation;
try {
wellKnownInformation =
await Matrix.of(context).getLoginClient().getWellknown();
if (wellKnownInformation.mHomeserver?.baseUrl?.toString()?.isNotEmpty ??
false) {
newDomain = wellKnownInformation.mHomeserver.baseUrl;
}
} catch (_) {
// do nothing, newDomain is already set to a reasonable fallback
}
if (newDomain != oldHomeserver) {
await showFutureLoadingDialog(
context: context,
// do nothing if we error, we'll handle it below
future: () => Matrix.of(context)
.getLoginClient()
.checkHomeserver(newDomain)
.catchError((e) => null),
);
if (Matrix.of(context).getLoginClient().homeserver == null) {
Matrix.of(context).getLoginClient().homeserver = oldHomeserver;
// okay, the server we checked does not appear to be a matrix server
Logs().v(
'$newDomain is not running a homeserver, asking to use $oldHomeserver');
final dialogResult = await showOkCancelAlertDialog(
context: context,
useRootNavigator: false,
message: L10n.of(context).noMatrixServer(newDomain, oldHomeserver),
okLabel: L10n.of(context).ok,
cancelLabel: L10n.of(context).cancel,
);
if (dialogResult == OkCancelResult.ok) {
setState(() => usernameError = null);
} else {
Navigator.of(context, rootNavigator: false).pop();
return;
}
}
var jitsi = wellKnownInformation?.additionalProperties
?.tryGet<Map<String, dynamic>>('im.vector.riot.jitsi')
?.tryGet<String>('preferredDomain');
if (jitsi != null) {
if (!jitsi.endsWith('/')) {
jitsi += '/';
}
Logs().v('Found custom jitsi instance $jitsi');
await Matrix.of(context)
.store
.setItem(SettingKeys.jitsiInstance, jitsi);
AppConfig.jitsiInstance = jitsi;
}
setState(() => usernameError = null);
} else {
setState(() =>
Matrix.of(context).getLoginClient().homeserver = oldHomeserver);
}
} catch (e) {
setState(() => usernameError = e.toString());
}
}
void passwordForgotten() async {
final input = await showTextInputDialog(
useRootNavigator: false,
context: context,
title: L10n.of(context).enterAnEmailAddress,
okLabel: L10n.of(context).ok,
cancelLabel: L10n.of(context).cancel,
textFields: [
DialogTextField(
hintText: L10n.of(context).enterAnEmailAddress,
keyboardType: TextInputType.emailAddress,
),
],
);
if (input == null) return;
final clientSecret =
Matrix.of(context).client.generateUniqueTransactionId();
final response = await showFutureLoadingDialog(
context: context,
future: () =>
Matrix.of(context).getLoginClient().requestTokenToResetPasswordEmail(
clientSecret,
input.single,
sendAttempt++,
),
);
if (response.error != null) return;
final ok = await showOkAlertDialog(
useRootNavigator: false,
context: context,
title: L10n.of(context).weSentYouAnEmail,
message: L10n.of(context).pleaseClickOnLink,
okLabel: L10n.of(context).iHaveClickedOnLink,
);
if (ok == null) return;
final password = await showTextInputDialog(
useRootNavigator: false,
context: context,
title: L10n.of(context).chooseAStrongPassword,
okLabel: L10n.of(context).ok,
cancelLabel: L10n.of(context).cancel,
textFields: [
const DialogTextField(
hintText: '******',
obscureText: true,
minLines: 1,
maxLines: 1,
),
],
);
if (password == null) return;
final success = await showFutureLoadingDialog(
context: context,
future: () => Matrix.of(context).getLoginClient().changePassword(
password.single,
auth: AuthenticationThreePidCreds(
type: AuthenticationTypes.emailIdentity,
threepidCreds: ThreepidCreds(
sid: response.result.sid,
clientSecret: clientSecret,
),
),
),
);
if (success.error == null) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(L10n.of(context).passwordHasBeenChanged)));
}
}
static int sendAttempt = 0;
@override
Widget build(BuildContext context) => LoginView(this);
}
extension on String {
static final RegExp _phoneRegex =
RegExp(r'^[+]*[(]{0,1}[0-9]{1,4}[)]{0,1}[-\s\./0-9]*$');
bool get isEmail => EmailValidator.validate(this);
bool get isPhoneNumber => _phoneRegex.hasMatch(this);
}