fluffychat/lib/pages/login.dart

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import 'dart:async';
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import 'package:adaptive_dialog/adaptive_dialog.dart';
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import 'package:matrix/matrix.dart';
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import 'package:future_loading_dialog/future_loading_dialog.dart';
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import 'package:fluffychat/widgets/matrix.dart';
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import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import '../utils/platform_infos.dart';
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import 'package:email_validator/email_validator.dart';
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import 'views/login_view.dart';
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class Login extends StatefulWidget {
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@override
LoginController createState() => LoginController();
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}
class LoginController extends State<Login> {
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final TextEditingController usernameController = TextEditingController();
final TextEditingController passwordController = TextEditingController();
String usernameError;
String passwordError;
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bool loading = false;
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bool showPassword = false;
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void toggleShowPassword() => setState(() => showPassword = !showPassword);
void login([_]) async {
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final matrix = Matrix.of(context);
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if (usernameController.text.isEmpty) {
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setState(() => usernameError = L10n.of(context).pleaseEnterYourUsername);
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} else {
setState(() => usernameError = null);
}
if (passwordController.text.isEmpty) {
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setState(() => passwordError = L10n.of(context).pleaseEnterYourPassword);
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} else {
setState(() => passwordError = null);
}
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if (usernameController.text.isEmpty || passwordController.text.isEmpty) {
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return;
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}
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setState(() => loading = true);
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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);
}
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await matrix.client.login(
identifier: identifier,
// To stay compatible with older server versions
// ignore: deprecated_member_use
user: identifier.type == AuthenticationIdentifierTypes.userId
? username
: null,
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password: passwordController.text,
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initialDeviceDisplayName: PlatformInfos.clientName);
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} on MatrixException catch (exception) {
setState(() => passwordError = exception.errorMessage);
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return setState(() => loading = false);
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} catch (exception) {
setState(() => passwordError = exception.toString());
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return setState(() => loading = false);
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}
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if (mounted) setState(() => loading = false);
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}
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Timer _coolDown;
void checkWellKnownWithCoolDown(String userId) async {
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_coolDown?.cancel();
_coolDown = Timer(
Duration(seconds: 1),
() => _checkWellKnown(userId),
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);
}
void _checkWellKnown(String userId) async {
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setState(() => usernameError = null);
if (!userId.isValidMatrixId) return;
try {
final wellKnownInformations = await Matrix.of(context)
.client
.getWellKnownInformationsByUserId(userId);
final newDomain = wellKnownInformations.mHomeserver?.baseUrl;
if ((newDomain?.isNotEmpty ?? false) &&
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newDomain != Matrix.of(context).client.homeserver.toString()) {
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await showFutureLoadingDialog(
context: context,
future: () => Matrix.of(context).client.checkHomeserver(newDomain),
);
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setState(() => usernameError = null);
}
} catch (e) {
setState(() => usernameError = e.toString());
}
}
void passwordForgotten() async {
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final input = await showTextInputDialog(
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useRootNavigator: false,
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context: context,
title: L10n.of(context).enterAnEmailAddress,
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okLabel: L10n.of(context).ok,
cancelLabel: L10n.of(context).cancel,
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textFields: [
DialogTextField(
hintText: L10n.of(context).enterAnEmailAddress,
keyboardType: TextInputType.emailAddress,
),
],
);
if (input == null) return;
final clientSecret = DateTime.now().millisecondsSinceEpoch.toString();
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final response = await showFutureLoadingDialog(
context: context,
future: () => Matrix.of(context).client.resetPasswordUsingEmail(
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input.single,
clientSecret,
sendAttempt++,
),
);
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if (response.error != null) return;
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final ok = await showOkAlertDialog(
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useRootNavigator: false,
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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(
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useRootNavigator: false,
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context: context,
title: L10n.of(context).chooseAStrongPassword,
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okLabel: L10n.of(context).ok,
cancelLabel: L10n.of(context).cancel,
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textFields: [
DialogTextField(
hintText: '******',
obscureText: true,
minLines: 1,
maxLines: 1,
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),
],
);
if (password == null) return;
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final success = await showFutureLoadingDialog(
context: context,
future: () => Matrix.of(context).client.changePassword(
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password.single,
auth: AuthenticationThreePidCreds(
type: AuthenticationTypes.emailIdentity,
threepidCreds: [
ThreepidCreds(
sid: (response as RequestTokenResponse).sid,
clientSecret: clientSecret,
),
],
),
),
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);
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if (success.error == null) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(L10n.of(context).passwordHasBeenChanged)));
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}
}
static int sendAttempt = 0;
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@override
Widget build(BuildContext context) => LoginView(this);
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}
extension on String {
static final RegExp _phoneRegex =
RegExp(r'^[+]*[(]{0,1}[0-9]{1,4}[)]{0,1}[-\s\./0-9]*$');
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bool get isEmail => EmailValidator.validate(this);
bool get isPhoneNumber => _phoneRegex.hasMatch(this);
}