557 lines
16 KiB
Dart
557 lines
16 KiB
Dart
import 'package:animations/animations.dart';
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import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:gap/gap.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import 'package:provider/provider.dart';
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import 'package:styled_widget/styled_widget.dart';
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import 'package:surface/providers/sn_network.dart';
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import 'package:surface/providers/userinfo.dart';
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import 'package:surface/types/auth.dart';
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import 'package:surface/widgets/dialog.dart';
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import 'package:url_launcher/url_launcher_string.dart';
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final Map<int, (String label, IconData icon, bool isOtp)> _factorLabelMap = {
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0: ('authFactorPassword'.tr(), Icons.password, false),
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1: ('authFactorEmail'.tr(), Icons.email, true),
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};
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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SnAuthTicket? _currentTicket;
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List<SnAuthFactor>? _factors;
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SnAuthFactor? _factorPicked;
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int _period = 0;
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@override
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Widget build(BuildContext context) {
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return Container(
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constraints: const BoxConstraints(maxWidth: 280),
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child: Theme(
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data: Theme.of(context).copyWith(canvasColor: Colors.transparent),
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child: SingleChildScrollView(
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child: PageTransitionSwitcher(
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transitionBuilder: (
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Widget child,
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Animation<double> primaryAnimation,
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Animation<double> secondaryAnimation,
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) {
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return SharedAxisTransition(
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animation: primaryAnimation,
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secondaryAnimation: secondaryAnimation,
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transitionType: SharedAxisTransitionType.horizontal,
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child: child,
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);
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},
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child: switch (_period % 3) {
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1 => _LoginPickerScreen(
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key: const ValueKey(1),
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ticket: _currentTicket,
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factors: _factors,
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onTicket: (p0) => setState(() {
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_currentTicket = p0;
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}),
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onPickFactor: (p0) => setState(() {
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_factorPicked = p0;
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}),
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onNext: () => setState(() {
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_period++;
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}),
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),
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2 => _LoginCheckScreen(
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key: const ValueKey(2),
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ticket: _currentTicket,
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factor: _factorPicked,
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onTicket: (p0) => setState(() {
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_currentTicket = p0;
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}),
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onNext: (p0) => setState(() {
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_period = 1;
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}),
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),
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_ => _LoginLookupScreen(
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key: const ValueKey(0),
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ticket: _currentTicket,
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onTicket: (p0) => setState(() {
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_currentTicket = p0;
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}),
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onFactor: (p0) => setState(() {
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_factors = p0;
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}),
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onNext: () => setState(() {
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_period++;
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}),
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),
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},
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).padding(all: 24),
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).center(),
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),
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);
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}
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}
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class _LoginCheckScreen extends StatefulWidget {
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final SnAuthTicket? ticket;
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final SnAuthFactor? factor;
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final Function(SnAuthTicket?) onTicket;
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final Function onNext;
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const _LoginCheckScreen({
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super.key,
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required this.ticket,
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required this.factor,
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required this.onTicket,
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required this.onNext,
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});
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@override
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State<_LoginCheckScreen> createState() => _LoginCheckScreenState();
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}
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class _LoginCheckScreenState extends State<_LoginCheckScreen> {
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bool _isBusy = false;
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final _passwordController = TextEditingController();
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void _performCheckTicket() async {
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final password = _passwordController.value.text;
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if (password.isEmpty) return;
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final sn = context.read<SnNetworkProvider>();
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setState(() => _isBusy = true);
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try {
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// Check ticket
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final resp = await sn.client.patch('/cgi/id/auth', data: {
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'ticket_id': widget.ticket!.id,
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'factor_id': widget.factor!.id,
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'code': password,
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});
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final result = SnAuthResult.fromJson(resp.data);
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widget.onTicket(result.ticket);
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if (!result.isFinished) {
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widget.onNext();
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return;
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}
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// Finish sign in if possible
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final tokenResp = await sn.client.post('/cgi/id/auth/token', data: {
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'grant_type': 'grant_token',
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'code': result.ticket!.grantToken,
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});
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final atk = tokenResp.data['access_token'];
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final rtk = tokenResp.data['refresh_token'];
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await sn.setTokenPair(atk, rtk);
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if (!mounted) return;
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final user = context.read<UserProvider>();
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final userinfo = await user.refreshUser();
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context.showSnackbar('loginSuccess'.tr(args: [
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'@${userinfo!.name} (${userinfo.nick})',
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]));
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Navigator.pop(context);
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} catch (err) {
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context.showErrorDialog(err);
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return;
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} finally {
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setState(() => _isBusy = false);
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}
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}
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@override
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void dispose() {
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_passwordController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Align(
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alignment: Alignment.centerLeft,
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child: CircleAvatar(
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radius: 26,
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child: const Icon(
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Symbols.password,
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size: 28,
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),
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).padding(bottom: 8),
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),
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Text(
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'loginEnterPassword'.tr(),
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style: const TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.w900,
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),
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).padding(left: 4, bottom: 16),
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TextField(
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autocorrect: false,
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enableSuggestions: false,
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controller: _passwordController,
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obscureText: true,
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autofillHints: [
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(_factorLabelMap[widget.factor!.type]?.$3 ?? true)
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? AutofillHints.password
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: AutofillHints.oneTimeCode
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],
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decoration: InputDecoration(
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isDense: true,
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border: const UnderlineInputBorder(),
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labelText: 'fieldPassword'.tr(),
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),
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onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
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onSubmitted: _isBusy ? null : (_) => _performCheckTicket(),
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).padding(horizontal: 7),
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const Gap(12),
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Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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TextButton(
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onPressed: _isBusy ? null : () => _performCheckTicket(),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text('next').tr(),
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const Icon(Icons.chevron_right),
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],
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),
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),
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],
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),
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],
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);
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}
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}
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class _LoginPickerScreen extends StatefulWidget {
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final SnAuthTicket? ticket;
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final List<SnAuthFactor>? factors;
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final Function(SnAuthTicket?) onTicket;
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final Function(SnAuthFactor) onPickFactor;
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final Function onNext;
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const _LoginPickerScreen({
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super.key,
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required this.ticket,
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required this.factors,
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required this.onTicket,
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required this.onPickFactor,
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required this.onNext,
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});
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@override
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State<_LoginPickerScreen> createState() => _LoginPickerScreenState();
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}
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class _LoginPickerScreenState extends State<_LoginPickerScreen> {
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bool _isBusy = false;
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int? _factorPicked;
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Color get _unFocusColor =>
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Theme.of(context).colorScheme.onSurface.withAlpha((255 * 0.75).round());
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void _performGetFactorCode() async {
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if (_factorPicked == null) return;
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final sn = context.read<SnNetworkProvider>();
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setState(() => _isBusy = true);
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try {
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// Request one-time-password code
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sn.client.post('/cgi/id/auth/factors/$_factorPicked');
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widget.onPickFactor(
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widget.factors!.where((x) => x.id == _factorPicked).first,
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);
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widget.onNext();
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} catch (err) {
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context.showErrorDialog(err);
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return;
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} finally {
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setState(() => _isBusy = false);
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}
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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key: const ValueKey<int>(1),
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Align(
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alignment: Alignment.centerLeft,
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child: CircleAvatar(
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radius: 26,
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child: const Icon(
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Symbols.security,
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size: 28,
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),
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).padding(bottom: 8),
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),
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Text(
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'loginPickFactor',
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style: const TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.w900,
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),
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).tr().padding(left: 4),
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const Gap(8),
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Card(
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margin: const EdgeInsets.symmetric(vertical: 4),
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child: Column(
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children: widget.factors
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?.map(
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(x) => CheckboxListTile(
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.all(
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Radius.circular(8),
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),
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),
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secondary: Icon(
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_factorLabelMap[x.type]?.$2 ?? Icons.question_mark,
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),
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title: Text(
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_factorLabelMap[x.type]?.$1 ?? 'unknown'.tr(),
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),
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enabled: !widget.ticket!.factorTrail.contains(x.id),
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value: _factorPicked == x.id,
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onChanged: (value) {
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if (value == true) {
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setState(() => _factorPicked = x.id);
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}
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},
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),
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)
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.toList() ??
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List.empty(),
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),
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),
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const Gap(8),
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Text(
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'loginMultiFactor'.plural(
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widget.ticket!.stepRemain,
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),
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style: TextStyle(color: _unFocusColor, fontSize: 13),
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).padding(horizontal: 16),
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const Gap(12),
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Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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TextButton(
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onPressed: _isBusy ? null : () => _performGetFactorCode(),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text('next'.tr()),
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const Icon(Icons.chevron_right),
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],
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),
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),
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],
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),
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],
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);
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}
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}
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class _LoginLookupScreen extends StatefulWidget {
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final SnAuthTicket? ticket;
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final Function(SnAuthTicket?) onTicket;
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final Function(List<SnAuthFactor>?) onFactor;
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final Function onNext;
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const _LoginLookupScreen({
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super.key,
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required this.ticket,
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required this.onTicket,
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required this.onFactor,
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required this.onNext,
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});
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@override
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State<_LoginLookupScreen> createState() => _LoginLookupScreenState();
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}
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class _LoginLookupScreenState extends State<_LoginLookupScreen> {
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final _usernameController = TextEditingController();
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bool _isBusy = false;
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void _requestResetPassword() async {
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final username = _usernameController.value.text;
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if (username.isEmpty) {
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context.showErrorDialog('signinResetPasswordHint'.tr());
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return;
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}
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setState(() => _isBusy = true);
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try {
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final sn = context.read<SnNetworkProvider>();
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final lookupResp =
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await sn.client.get('/cgi/id/users/lookup?probe=$username');
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await sn.client.post('/cgi/id/users/me/password-reset', data: {
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'user_id': lookupResp.data['id'],
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});
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context.showModalDialog('done'.tr(), 'signinResetPasswordSent'.tr());
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} catch (err) {
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context.showErrorDialog(err);
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} finally {
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setState(() => _isBusy = false);
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}
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}
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void _performNewTicket() async {
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final username = _usernameController.value.text;
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if (username.isEmpty) return;
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final sn = context.read<SnNetworkProvider>();
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setState(() => _isBusy = true);
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try {
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// Create ticket
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final resp = await sn.client.post('/cgi/id/auth', data: {
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'username': username,
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});
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final result = SnAuthResult.fromJson(resp.data);
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widget.onTicket(result.ticket);
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// Pull factors
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final factorResp =
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await sn.client.get('/cgi/id/auth/factors', queryParameters: {
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'ticketId': result.ticket!.id.toString(),
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});
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widget.onFactor(
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List<SnAuthFactor>.from(
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factorResp.data.map((ele) => SnAuthFactor.fromJson(ele)),
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),
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);
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widget.onNext();
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} catch (err) {
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context.showErrorDialog(err);
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return;
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} finally {
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setState(() => _isBusy = false);
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}
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}
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@override
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void dispose() {
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_usernameController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Align(
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alignment: Alignment.centerLeft,
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child: CircleAvatar(
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radius: 26,
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child: const Icon(
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Symbols.login,
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size: 28,
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),
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).padding(bottom: 8),
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),
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Text(
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'screenAuthLoginGreeting',
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style: const TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.w900,
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),
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).tr().padding(left: 4, bottom: 16),
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TextField(
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autocorrect: false,
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enableSuggestions: false,
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controller: _usernameController,
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autofillHints: const [AutofillHints.username],
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decoration: InputDecoration(
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isDense: true,
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border: const UnderlineInputBorder(),
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labelText: 'fieldUsername'.tr(),
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helperText: 'fieldUsernameLookupHint'.tr(),
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),
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onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
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onSubmitted: _isBusy ? null : (_) => _performNewTicket(),
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).padding(horizontal: 7),
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const Gap(12),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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TextButton(
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onPressed: _isBusy ? null : () => _requestResetPassword(),
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style: TextButton.styleFrom(foregroundColor: Colors.grey),
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child: Text('forgotPassword'.tr()),
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),
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TextButton(
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onPressed: _isBusy ? null : () => _performNewTicket(),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text('next').tr(),
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const Icon(Icons.chevron_right),
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],
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),
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),
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],
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),
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const Gap(12),
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Align(
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alignment: Alignment.centerRight,
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child: StyledWidget(
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Container(
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constraints: const BoxConstraints(maxWidth: 290),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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Text(
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'termAcceptNextWithAgree'.tr(),
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textAlign: TextAlign.end,
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style: Theme.of(context).textTheme.bodySmall!.copyWith(
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color: Theme.of(context)
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.colorScheme
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.onSurface
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.withAlpha((255 * 0.75).round()),
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),
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),
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Material(
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color: Colors.transparent,
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child: InkWell(
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text('termAcceptLink'.tr()),
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const Gap(4),
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const Icon(Icons.launch, size: 14),
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],
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),
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onTap: () {
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launchUrlString('https://solsynth.dev/terms');
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},
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),
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),
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],
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),
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),
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).padding(horizontal: 16),
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),
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],
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);
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}
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}
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