fluffychat/lib/views/sign_up_password.dart

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import 'dart:math';
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import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:flushbar/flushbar_helper.dart';
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import 'package:famedlysdk/famedlysdk.dart';
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import 'package:fluffychat/components/matrix.dart';
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
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import 'package:url_launcher/url_launcher.dart';
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import '../utils/platform_infos.dart';
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class SignUpPassword extends StatefulWidget {
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final MatrixFile avatar;
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final String username;
final String displayname;
const SignUpPassword(this.username, {this.avatar, this.displayname});
@override
_SignUpPasswordState createState() => _SignUpPasswordState();
}
class _SignUpPasswordState extends State<SignUpPassword> {
final TextEditingController passwordController = TextEditingController();
String passwordError;
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String _lastAuthWebViewStage;
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bool loading = false;
bool showPassword = true;
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void _signUpAction(BuildContext context, {AuthenticationData auth}) async {
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var matrix = Matrix.of(context);
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if (passwordController.text.isEmpty) {
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setState(() => passwordError = L10n.of(context).pleaseEnterYourPassword);
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} else {
setState(() => passwordError = null);
}
if (passwordController.text.isEmpty) {
return;
}
try {
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setState(() => loading = true);
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var waitForLogin = matrix.client.onLoginStateChanged.stream.first;
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await matrix.client.register(
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username: widget.username,
password: passwordController.text,
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initialDeviceDisplayName: PlatformInfos.clientName,
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auth: auth,
);
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await waitForLogin;
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} on MatrixException catch (exception) {
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if (exception.requireAdditionalAuthentication) {
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final stages = exception.authenticationFlows
.firstWhere((a) => !a.stages.contains('m.login.email.identity'))
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.stages;
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final currentStage = exception.completedAuthenticationFlows == null
? stages.first
: stages.firstWhere((stage) =>
!exception.completedAuthenticationFlows.contains(stage) ??
true);
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if (currentStage == 'm.login.dummy') {
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_signUpAction(
context,
auth: AuthenticationData(
type: currentStage,
session: exception.session,
),
);
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} else {
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if (_lastAuthWebViewStage == currentStage) {
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_lastAuthWebViewStage = null;
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setState(
() => passwordError = L10n.of(context).oopsSomethingWentWrong);
return setState(() => loading = false);
}
_lastAuthWebViewStage = currentStage;
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await launch(
Matrix.of(context).client.homeserver.toString() +
'/_matrix/client/r0/auth/$currentStage/fallback/web?session=${exception.session}',
);
if (OkCancelResult.ok ==
await showOkCancelAlertDialog(
message: L10n.of(context).pleaseFollowInstructionsOnWeb,
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context: context,
okLabel: L10n.of(context).next,
cancelLabel: L10n.of(context).cancel,
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useRootNavigator: false,
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)) {
_signUpAction(
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context,
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auth: AuthenticationData(session: exception.session),
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);
} else {
setState(() {
loading = false;
passwordError = null;
});
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}
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return;
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}
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} else {
setState(() => passwordError = exception.errorMessage);
return setState(() => loading = false);
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}
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} catch (exception) {
setState(() => passwordError = exception.toString());
return setState(() => loading = false);
}
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await matrix.client.onLoginStateChanged.stream
.firstWhere((l) => l == LoginState.logged);
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try {
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await matrix.client
.setDisplayname(matrix.client.userID, widget.displayname);
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} catch (exception) {
await FlushbarHelper.createError(
message: L10n.of(context).couldNotSetDisplayname)
.show(context);
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}
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if (widget.avatar != null) {
try {
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await matrix.client.setAvatar(widget.avatar);
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} catch (exception) {
await FlushbarHelper.createError(
message: L10n.of(context).couldNotSetAvatar)
.show(context);
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}
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}
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if (mounted) setState(() => loading = false);
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}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
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elevation: 0,
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leading: loading ? Container() : BackButton(),
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title: Text(
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L10n.of(context).chooseAStrongPassword,
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),
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),
body: ListView(
padding: EdgeInsets.symmetric(
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horizontal: max((MediaQuery.of(context).size.width - 600) / 2, 0)),
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children: <Widget>[
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Padding(
padding: const EdgeInsets.all(12.0),
child: TextField(
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controller: passwordController,
obscureText: !showPassword,
autofocus: true,
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readOnly: loading,
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autocorrect: false,
onSubmitted: (t) => _signUpAction(context),
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autofillHints: loading ? null : [AutofillHints.newPassword],
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decoration: InputDecoration(
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prefixIcon: Icon(Icons.lock_outlined),
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hintText: '****',
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errorText: passwordError,
suffixIcon: IconButton(
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tooltip: L10n.of(context).showPassword,
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icon: Icon(showPassword
? Icons.visibility_off_outlined
: Icons.visibility_outlined),
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onPressed: () =>
setState(() => showPassword = !showPassword),
),
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labelText: L10n.of(context).password),
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),
),
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SizedBox(height: 12),
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Hero(
tag: 'loginButton',
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child: Padding(
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padding: EdgeInsets.symmetric(horizontal: 12),
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child: ElevatedButton(
onPressed: loading ? null : () => _signUpAction(context),
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child: loading
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? LinearProgressIndicator()
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: Text(
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L10n.of(context).createAccountNow.toUpperCase(),
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style: TextStyle(color: Colors.white, fontSize: 16),
),
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),
),
),
],
),
);
}
}