fluffychat/lib/views/login.dart
2021-02-27 08:47:33 +01:00

266 lines
8.8 KiB
Dart

import 'dart:async';
import 'dart:math';
import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:future_loading_dialog/future_loading_dialog.dart';
import 'package:fluffychat/components/matrix.dart';
import 'package:flushbar/flushbar_helper.dart';
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import '../utils/platform_infos.dart';
import '../app_config.dart';
class Login extends StatefulWidget {
@override
_LoginState createState() => _LoginState();
}
class _LoginState extends State<Login> {
final TextEditingController usernameController = TextEditingController();
final TextEditingController passwordController = TextEditingController();
String usernameError;
String passwordError;
bool loading = false;
bool showPassword = false;
void login(BuildContext context) async {
var 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 {
await matrix.client.login(
user: usernameController.text,
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, BuildContext context) async {
_coolDown?.cancel();
_coolDown = Timer(
Duration(seconds: 1),
() => _checkWellKnown(userId, context),
);
}
void _checkWellKnown(String userId, BuildContext context) async {
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) &&
newDomain != Matrix.of(context).client.homeserver.toString()) {
await showFutureLoadingDialog(
context: context,
future: () => Matrix.of(context).client.checkHomeserver(newDomain),
);
setState(() => usernameError = null);
}
} catch (e) {
setState(() => usernameError = e.toString());
}
}
void _passwordForgotten(BuildContext context) async {
final input = await showTextInputDialog(
context: context,
title: L10n.of(context).enterAnEmailAddress,
okLabel: L10n.of(context).ok,
cancelLabel: L10n.of(context).cancel,
useRootNavigator: false,
textFields: [
DialogTextField(
hintText: L10n.of(context).enterAnEmailAddress,
keyboardType: TextInputType.emailAddress,
),
],
);
if (input == null) return;
final clientSecret = DateTime.now().millisecondsSinceEpoch.toString();
final response = await showFutureLoadingDialog(
context: context,
future: () => Matrix.of(context).client.resetPasswordUsingEmail(
input.single,
clientSecret,
sendAttempt++,
),
);
if (response.error != null) return;
final ok = await showOkAlertDialog(
context: context,
title: L10n.of(context).weSentYouAnEmail,
message: L10n.of(context).pleaseClickOnLink,
okLabel: L10n.of(context).iHaveClickedOnLink,
useRootNavigator: false,
);
if (ok == null) return;
final password = await showTextInputDialog(
context: context,
title: L10n.of(context).chooseAStrongPassword,
okLabel: L10n.of(context).ok,
cancelLabel: L10n.of(context).cancel,
useRootNavigator: false,
textFields: [
DialogTextField(
hintText: '******',
obscureText: true,
minLines: 1,
maxLines: 1,
),
],
);
if (password == null) return;
final success = await showFutureLoadingDialog(
context: context,
future: () => Matrix.of(context).client.changePassword(
password.single,
auth: AuthenticationThreePidCreds(
type: AuthenticationTypes.emailIdentity,
threepidCreds: [
ThreepidCreds(
sid: (response as RequestTokenResponse).sid,
clientSecret: clientSecret,
),
],
),
),
);
if (success.error == null) {
FlushbarHelper.createSuccess(
message: L10n.of(context).passwordHasBeenChanged);
}
}
static int sendAttempt = 0;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
leading: loading ? Container() : BackButton(),
elevation: 0,
title: Text(
L10n.of(context).logInTo(Matrix.of(context)
.client
.homeserver
.toString()
.replaceFirst('https://', '')),
),
),
body: Builder(builder: (context) {
return ListView(
padding: EdgeInsets.symmetric(
horizontal:
max((MediaQuery.of(context).size.width - 600) / 2, 0)),
children: <Widget>[
Padding(
padding: const EdgeInsets.all(12.0),
child: TextField(
readOnly: loading,
autocorrect: false,
autofocus: true,
onChanged: (t) => _checkWellKnownWithCoolDown(t, context),
controller: usernameController,
autofillHints: loading ? null : [AutofillHints.username],
decoration: InputDecoration(
prefixIcon: Icon(Icons.account_box_outlined),
hintText:
'@${L10n.of(context).username.toLowerCase()}:domain',
errorText: usernameError,
labelText: L10n.of(context).username),
),
),
Padding(
padding: const EdgeInsets.all(12.0),
child: TextField(
readOnly: loading,
autocorrect: false,
autofillHints: loading ? null : [AutofillHints.password],
controller: passwordController,
obscureText: !showPassword,
onSubmitted: (t) => login(context),
decoration: InputDecoration(
prefixIcon: Icon(Icons.lock_outlined),
hintText: '****',
errorText: passwordError,
suffixIcon: IconButton(
tooltip: L10n.of(context).showPassword,
icon: Icon(showPassword
? Icons.visibility_off_outlined
: Icons.visibility_outlined),
onPressed: () =>
setState(() => showPassword = !showPassword),
),
labelText: L10n.of(context).password),
),
),
SizedBox(height: 12),
Hero(
tag: 'loginButton',
child: Container(
height: 56,
padding: EdgeInsets.symmetric(horizontal: 12),
child: RaisedButton(
elevation: 7,
color: Theme.of(context).primaryColor,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(AppConfig.borderRadius),
),
child: loading
? LinearProgressIndicator()
: Text(
L10n.of(context).login.toUpperCase(),
style: TextStyle(color: Colors.white, fontSize: 16),
),
onPressed: loading ? null : () => login(context),
),
),
),
Center(
child: TextButton(
child: Text(
L10n.of(context).passwordForgotten,
style: TextStyle(
color: Colors.blue,
decoration: TextDecoration.underline,
),
),
onPressed: () => _passwordForgotten(context),
),
),
],
);
}),
);
}
}