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baron-sso/userfront/lib/features/auth/presentation/login_screen.dart

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90 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:qr_flutter/qr_flutter.dart';
import 'package:userfront/i18n.dart';
import '../../../core/widgets/language_selector.dart';
import '../../../core/widgets/theme_toggle_button.dart';
import '../../../core/services/web_auth_integration.dart';
import '../../../core/services/auth_proxy_service.dart';
import '../../../core/services/auth_token_store.dart';
import '../../../core/services/login_challenge_loop_guard.dart';
import '../../../core/i18n/locale_utils.dart';
import '../../../core/services/oidc_redirect_guard.dart';
import '../../../core/notifiers/auth_notifier.dart';
import '../domain/login_challenge_resolver.dart';
import '../domain/cookie_session_policy.dart';
import '../domain/login_link_route_policy.dart';
import '../domain/verification_completion_route.dart';
import '../../profile/domain/notifiers/profile_notifier.dart';
import '../../../core/services/web_window.dart';
import '../../../core/ui/toast_service.dart';
class LoginScreen extends ConsumerStatefulWidget {
final String? verificationToken;
final String? loginChallenge;
final String? redirectUrl;
final bool verificationCompleteOnly;
const LoginScreen({
super.key,
this.verificationToken,
this.loginChallenge,
this.redirectUrl,
this.verificationCompleteOnly = false,
});
@override
ConsumerState<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends ConsumerState<LoginScreen>
with SingleTickerProviderStateMixin {
late TabController _tabController;
final TextEditingController _linkIdController = TextEditingController();
final TextEditingController _passwordLoginIdController =
TextEditingController();
final TextEditingController _passwordController = TextEditingController();
final FocusNode _passwordFocusNode = FocusNode();
String? _redirectUrl;
String? _loginChallenge;
bool _isPasswordCapsLockOn = false;
String? _loginIdLabel;
// QR Login Variables
String? _qrImageBase64;
String? _qrPendingRef;
bool _isQrLoading = false;
bool _qrExpired = false;
Timer? _qrPollingTimer;
int _qrRemainingSeconds = 0;
Timer? _qrCountdownTimer;
int _qrPollIntervalMs = 2000;
final TextEditingController _shortCodePrefixController =
TextEditingController();
final TextEditingController _shortCodeDigitsController =
TextEditingController();
String? _linkPendingRef;
String? _lastLinkLoginId;
bool _lastLinkIsEmail = true;
int _linkResendSeconds = 0;
Timer? _linkResendTimer;
int _linkExpireSeconds = 0;
Timer? _linkExpireTimer;
bool _linkExpired = false;
bool _verificationOnly = false;
bool _verificationApproved = false;
bool _dismissedOverlays = false;
bool _localNavigationCompleted = false;
String? _verificationMessageKey;
String _verificationTitleKey = 'ui.userfront.login.verification.title';
String _verificationPageTitleKey =
'ui.userfront.login.verification.page_title';
String _verificationActionLabelKey =
'ui.userfront.login.verification.action_label';
Timer? _verificationRedirectTimer;
bool _noticeHandled = false;
bool _drySendEnabled = false;
bool _oidcAutoAcceptTried = false;
bool _verificationHandoffStarted = false;
@override
void initState() {
super.initState();
_tabController = TabController(length: 3, vsync: this, initialIndex: 0);
_tabController.addListener(_handleTabSelection);
_drySendEnabled =
_parseBoolParam(Uri.base.queryParameters['drySend']) &&
!AuthProxyService.isProdEnv;
_redirectUrl = widget.redirectUrl;
_passwordFocusNode.addListener(_handlePasswordFocusChange);
HardwareKeyboard.instance.addHandler(_handleHardwareKeyEvent);
_verificationOnly =
widget.verificationCompleteOnly || _isVerificationOnlyUri(Uri.base);
WidgetsBinding.instance.addPostFrameCallback((_) async {
final uri = Uri.base;
if (_redirectUrl == null) {
if (uri.queryParameters.containsKey('redirect_url')) {
_redirectUrl = uri.queryParameters['redirect_url'];
} else if (uri.queryParameters.containsKey('redirect_uri')) {
_redirectUrl = uri.queryParameters['redirect_uri'];
}
}
final challengeResolution = _resolveLoginChallenge(uri);
_loginChallenge = challengeResolution.value;
_logLoginChallengeDiagnostics(
phase: 'init',
resolution: challengeResolution,
);
final loginIdParam = uri.queryParameters['loginId'];
final codeParam = uri.queryParameters['code'];
final pendingRefParam = uri.queryParameters['pendingRef'];
final shortCodeFromPath = extractLoginShortCode(uri);
final hasShortCodePath = shortCodeFromPath != null;
final acceptsVerificationPayload = isDedicatedVerificationRoute(uri);
final waitsForVerificationHandoff =
!acceptsVerificationPayload && hasVerificationPayload(uri);
final hasTokenParam =
acceptsVerificationPayload && uri.queryParameters.containsKey('t');
final hasVerificationToken =
widget.verificationToken != null || hasTokenParam;
final hasLoginCode =
acceptsVerificationPayload &&
loginIdParam != null &&
codeParam != null;
final notice = uri.queryParameters['notice'];
if (widget.verificationCompleteOnly) {
_markVerificationApproved(
'msg.userfront.login.verification.approved_remote',
titleKey: 'ui.userfront.login.verification.title_remote',
actionLabelKey: 'ui.userfront.login.verification.action_label_remote',
onAction: _moveToSigninOrCloseVerificationWindow,
);
return;
}
if (waitsForVerificationHandoff) {
final localeCode =
extractLocaleFromPath(uri) ?? resolvePreferredLocaleCode();
final target = buildDedicatedVerificationRedirect(
uri,
localeCode: localeCode,
);
if (target != null && mounted) {
context.go(target);
_startVerificationHandoff(Uri.parse(target));
}
return;
}
if (hasShortCodePath) {
_verifyShortCode(shortCodeFromPath);
}
if (hasLoginCode) {
_verifyLoginCode(loginIdParam, codeParam, pendingRef: pendingRefParam);
} else if (hasVerificationToken) {
final verificationToken =
widget.verificationToken ?? uri.queryParameters['t'];
if (verificationToken != null && verificationToken.isNotEmpty) {
_verifyToken(verificationToken);
}
}
if (!_noticeHandled && notice == 'qr_login_required') {
_noticeHandled = true;
_showInfo(tr('msg.userfront.login.qr_login_required'));
}
if (!_verificationOnly) {
await _attemptOidcAutoAccept();
if (!mounted) return;
// Fetch Tenant Info to check for custom login ID label
try {
final info = await AuthProxyService.getTenantInfo();
if (info['loginIdLabel'] != null) {
setState(() {
_loginIdLabel = info['loginIdLabel'];
});
}
} catch (e) {
debugPrint("[Auth] Failed to fetch tenant info: $e");
}
// login_challenge 흐름에서는 auto-accept에서 이미 쿠키 세션까지 확인하므로
// 동일 프레임에서 중복 체크를 피합니다.
if (!_hasLoginChallenge) {
await _tryCookieSession();
}
}
});
}
bool _isVerificationOnlyUri(Uri uri) {
if (!isDedicatedVerificationRoute(uri) &&
widget.verificationToken == null) {
return false;
}
final loginIdParam = uri.queryParameters['loginId'];
final codeParam = uri.queryParameters['code'];
return widget.verificationToken != null ||
uri.queryParameters.containsKey('t') ||
(loginIdParam != null && codeParam != null) ||
extractLoginShortCode(uri) != null;
}
void _startVerificationHandoff(Uri targetUri) {
if (_verificationHandoffStarted) {
return;
}
_verificationHandoffStarted = true;
if (mounted) {
setState(() {
_verificationOnly = true;
});
} else {
_verificationOnly = true;
}
final loginIdParam = targetUri.queryParameters['loginId'];
final codeParam = targetUri.queryParameters['code'];
final pendingRefParam = targetUri.queryParameters['pendingRef'];
final tokenParam = targetUri.queryParameters['t'];
if (loginIdParam != null && codeParam != null) {
_verifyLoginCode(loginIdParam, codeParam, pendingRef: pendingRefParam);
return;
}
if (tokenParam != null && tokenParam.isNotEmpty) {
_verifyToken(tokenParam);
}
}
void _handlePasswordFocusChange() {
if (!mounted) {
return;
}
if (_passwordFocusNode.hasFocus) {
_syncPasswordCapsLockState();
return;
}
if (_isPasswordCapsLockOn) {
setState(() {
_isPasswordCapsLockOn = false;
});
}
}
bool _handleHardwareKeyEvent(KeyEvent event) {
if (_passwordFocusNode.hasFocus) {
_syncPasswordCapsLockState();
}
return false;
}
void _syncPasswordCapsLockState() {
final isEnabled = HardwareKeyboard.instance.lockModesEnabled.contains(
KeyboardLockMode.capsLock,
);
if (!mounted || isEnabled == _isPasswordCapsLockOn) {
return;
}
setState(() {
_isPasswordCapsLockOn = isEnabled;
});
}
Future<void> _tryCookieSession({bool silent = true}) async {
if (AuthTokenStore.consumeSkipCookieSessionCheck()) {
debugPrint(
"[Auth] Skipping one cookie session check after verification handoff.",
);
return;
}
final loginChallenge = _loginChallenge;
final token = AuthTokenStore.getToken();
if (!shouldPromoteCookieSession(
currentToken: token,
loginChallenge: loginChallenge,
)) {
return;
}
final pendingProvider = AuthTokenStore.getPendingProvider();
final provider = pendingProvider ?? AuthTokenStore.getProvider() ?? 'ory';
try {
final status = await AuthProxyService.getSessionStatus(useCookie: true);
if (status != 200) {
debugPrint(
"[Auth] Cookie session check: No active session (status: $status)",
);
return;
}
if (!shouldPromoteCookieSession(
currentToken: AuthTokenStore.getToken(),
loginChallenge: loginChallenge,
)) {
return;
}
AuthTokenStore.setCookieMode(provider: provider);
AuthTokenStore.clearPendingProvider();
if (mounted) {
await ref.read(profileProvider.notifier).loadProfile();
await _onCookieLoginSuccess(provider);
}
} catch (e) {
if (!silent) {
_showError(
tr(
'msg.userfront.login.cookie_check_failed',
params: {'error': e.toString().replaceFirst('Exception: ', '')},
),
);
}
}
}
Future<void> _onCookieLoginSuccess(String provider) async {
debugPrint("[Auth] Cookie-based login success. Provider: $provider");
if (_hasLoginChallenge) {
final accepted = await _acceptOidcLoginAndRedirect();
if (accepted) {
return;
}
if (mounted) {
_showError(tr('msg.userfront.login.oidc_failed'));
}
return;
}
final token = AuthTokenStore.getToken();
if (token != null && token.isNotEmpty) {
final redirectUrl = _redirectUrl;
if (WebAuthIntegration.isPopup() ||
(redirectUrl != null && redirectUrl.isNotEmpty)) {
debugPrint(
"[Auth] Cookie session with external integration. Notifying...",
);
WebAuthIntegration.sendLoginSuccess(token);
return;
}
}
if (mounted) {
_goLocalizedHomeOnce();
}
}
void _goLocalizedHomeOnce() {
if (!mounted || _localNavigationCompleted) {
return;
}
_localNavigationCompleted = true;
context.go(buildLocalizedHomePath(Uri.base));
}
Future<void> _attemptOidcAutoAccept() async {
if (_oidcAutoAcceptTried) return;
_oidcAutoAcceptTried = true;
final loginChallenge = _loginChallenge;
if (loginChallenge == null || loginChallenge.isEmpty) {
return;
}
if (!loginChallengeLoopGuard.shouldAllowAutoAccept(loginChallenge)) {
debugPrint(
"[Auth] OIDC auto-accept blocked by loop guard for login_challenge",
);
return;
}
loginChallengeLoopGuard.markAutoAcceptAttempt(loginChallenge);
final token = AuthTokenStore.getToken();
if (token != null && token.isNotEmpty) {
final accepted = await _acceptOidcLoginAndRedirect(token: token);
if (accepted) {
loginChallengeLoopGuard.clear(loginChallenge);
return;
}
}
try {
// 401 응답은 세션이 없는 정상적인 상태이므로 예외로 처리하지 않고 우아하게 중단합니다.
final status = await AuthProxyService.getSessionStatus(useCookie: true);
if (status == 200) {
AuthTokenStore.setCookieMode(
provider: AuthTokenStore.getProvider() ?? 'ory',
);
final accepted = await _acceptOidcLoginAndRedirect();
if (accepted) {
loginChallengeLoopGuard.clear(loginChallenge);
return;
}
} else {
debugPrint(
"[Auth] OIDC auto-accept: No active session (status: $status)",
);
}
} catch (e) {
debugPrint("[Auth] OIDC auto-accept cookie check failed: $e");
}
}
Future<bool> _acceptOidcLoginAndRedirect({String? token}) async {
final loginChallenge = _loginChallenge;
if (loginChallenge == null || loginChallenge.isEmpty) {
return false;
}
try {
final res = await AuthProxyService.acceptOidcLogin(
loginChallenge,
token: token,
);
// IMPORTANT: If backend returned a token during OIDC flow, save it to fix login state.
final jwt = res['sessionJwt'] ?? res['token'] ?? token;
if (jwt != null && jwt.isNotEmpty) {
final provider =
res['provider'] as String? ?? AuthTokenStore.getProvider();
await AuthNotifier.instance.onLoginSuccess(jwt, provider: provider);
}
final redirectTo = res['redirectTo'] as String?;
if (redirectTo != null && redirectTo.isNotEmpty) {
// Give 50ms delay for localStorage to settle
await Future.delayed(const Duration(milliseconds: 50));
return _redirectToOidcTarget(redirectTo, source: 'accept_oidc_login');
}
} catch (e) {
debugPrint("[Auth] OIDC login auto-accept failed: $e");
}
return false;
}
bool _redirectToOidcTarget(String redirectTo, {required String source}) {
final checked = validateOidcRedirectTarget(redirectTo);
_logOidcRedirectDiagnostics(source: source, checked: checked);
debugPrint(
"[Auth] OIDC redirect check ($source): valid=${checked.isValid}, reason=${checked.reason}, len=${checked.length}, host=${checked.host}, path=${checked.path}, has_login_verifier=${checked.hasLoginVerifier}",
);
if (!checked.isValid || checked.uri == null) {
if (mounted) {
_showError(tr('msg.userfront.login.oidc_failed'));
}
return false;
}
try {
debugPrint(
"[Auth] OIDC redirect execute ($source): host=${checked.host}, path=${checked.path}, redirect_uri_host=${checked.redirectUriHost}, redirect_uri_port=${checked.redirectUriPort}, state_len=${checked.stateLength}, login_verifier_len=${checked.loginVerifierLength}",
);
webWindow.redirectTo(checked.uri.toString());
return true;
} catch (e) {
debugPrint("[Auth] OIDC redirect failed ($source): $e");
if (mounted) {
_showError(tr('msg.userfront.login.oidc_failed'));
}
return false;
}
}
bool get _hasLoginChallenge {
final loginChallenge = _loginChallenge;
return loginChallenge != null && loginChallenge.isNotEmpty;
}
LoginChallengeResolution _resolveLoginChallenge(Uri uri) {
return resolveLoginChallenge(
widgetLoginChallenge: widget.loginChallenge,
uri: uri,
rawSearch: webWindow.currentSearch(),
rawHref: webWindow.currentHref(),
);
}
void _logLoginChallengeDiagnostics({
required String phase,
required LoginChallengeResolution resolution,
}) {
final current = Uri.base;
final currentQueryKeys = current.queryParameters.keys.toList()..sort();
final payload = <String, Object?>{
'phase': phase,
'current_path': current.path,
'current_query_keys': currentQueryKeys,
'stored_has_login_challenge': _hasLoginChallenge,
'stored_login_challenge_len': _loginChallenge?.length ?? 0,
...resolution.toDiagnostics(),
};
debugPrint("[Auth] login_challenge diagnostics: ${jsonEncode(payload)}");
}
void _logOidcRedirectDiagnostics({
required String source,
required OidcRedirectCheckResult checked,
}) {
final current = Uri.base;
final currentQueryKeys = current.queryParameters.keys.toList()..sort();
final payload = <String, Object?>{
'source': source,
'current_path': current.path,
'current_query_param_count': current.queryParameters.length,
'current_query_keys': currentQueryKeys,
'has_login_challenge': _hasLoginChallenge,
'login_challenge_len': _loginChallenge?.length ?? 0,
...checked.toDiagnostics(),
};
debugPrint("[Auth] OIDC redirect diagnostics: ${jsonEncode(payload)}");
}
void _resetLinkLoginState() {
_linkPendingRef = null;
_lastLinkLoginId = null;
_lastLinkIsEmail = true;
_linkResendTimer?.cancel();
_linkResendTimer = null;
_linkResendSeconds = 0;
_linkExpireTimer?.cancel();
_linkExpireTimer = null;
_linkExpireSeconds = 0;
_linkExpired = false;
_shortCodePrefixController.clear();
_shortCodeDigitsController.clear();
}
void _dismissOverlays() {
if (!mounted || _dismissedOverlays) {
return;
}
_dismissedOverlays = true;
final navigator = Navigator.of(context, rootNavigator: true);
navigator.popUntil((route) => route is! PopupRoute);
}
bool _parseBoolParam(String? value) {
if (value == null) {
return false;
}
final normalized = value.toLowerCase();
return normalized == 'true' || normalized == '1' || normalized == 'yes';
}
void _startLinkResendTimer(int seconds) {
_linkResendSeconds = seconds;
_linkResendTimer?.cancel();
_linkResendTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
if (!mounted) return;
setState(() {
if (_linkResendSeconds > 0) {
_linkResendSeconds--;
} else {
timer.cancel();
}
});
});
}
void _startLinkExpireTimer(int seconds) {
_linkExpireSeconds = seconds;
_linkExpireTimer?.cancel();
_linkExpireTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
if (!mounted) return;
if (_linkExpireSeconds > 0) {
setState(() {
_linkExpireSeconds--;
});
return;
}
timer.cancel();
if (mounted) {
setState(() {
_linkExpired = true;
});
_showInfo(tr('msg.userfront.login.link_timeout'));
}
});
}
String _getLoginIdFromJwt(String jwt) {
try {
final parts = jwt.split('.');
if (parts.length != 3) return 'User';
final payload = utf8.decode(
base64Url.decode(base64Url.normalize(parts[1])),
);
final data = json.decode(payload);
return data['name'] ?? data['email'] ?? data['sub'] ?? 'User';
} catch (e) {
debugPrint("[JWT] Decode error: $e");
return 'User';
}
}
void _handleTabSelection() {
if (_tabController.index == 2 && _qrPendingRef == null) {
_startQrFlow();
} else if (_tabController.index != 2) {
_stopQrPolling();
}
}
Future<void> _startQrFlow() async {
if (_isQrLoading) return;
setState(() {
_isQrLoading = true;
_qrImageBase64 = null;
_qrRemainingSeconds = 0;
_qrExpired = false;
});
try {
final res = await AuthProxyService.initQrLogin();
if (mounted) {
setState(() {
_qrImageBase64 = res['qrCode'];
_qrPendingRef = res['pendingRef'];
_qrRemainingSeconds = res['expiresIn'] ?? 300;
final interval = res['interval'];
if (interval is int && interval > 0) {
_qrPollIntervalMs = interval * 1000;
} else {
_qrPollIntervalMs = 2000;
}
_isQrLoading = false;
});
_startQrPolling();
_startCountdown();
}
} catch (e) {
_showError(
tr(
'msg.userfront.login.qr_init_failed',
params: {'error': e.toString()},
),
);
if (mounted) setState(() => _isQrLoading = false);
}
}
void _startCountdown() {
_qrCountdownTimer?.cancel();
_qrCountdownTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
if (!mounted || _qrRemainingSeconds <= 0) {
timer.cancel();
if (_qrRemainingSeconds <= 0) {
_stopQrPolling();
if (mounted) {
setState(() {
_qrExpired = true;
});
_showInfo(tr('msg.userfront.login.qr_expired'));
}
}
return;
}
setState(() {
_qrRemainingSeconds--;
});
});
}
void _startQrPolling() {
_qrPollingTimer?.cancel();
_qrPollingTimer = Timer.periodic(
Duration(milliseconds: _qrPollIntervalMs),
(timer) async {
if (_qrPendingRef == null || !mounted || _qrRemainingSeconds <= 0) {
timer.cancel();
return;
}
try {
final pendingRef = _qrPendingRef;
if (pendingRef == null || pendingRef.isEmpty) {
return;
}
final res = await AuthProxyService.pollQrStatus(pendingRef);
if (res['error'] == 'slow_down') {
final interval = res['interval'];
if (interval is int && interval > 0) {
final nextIntervalMs = interval * 1000;
if (nextIntervalMs != _qrPollIntervalMs) {
_qrPollIntervalMs = nextIntervalMs;
timer.cancel();
_startQrPolling();
return;
}
} else {
_qrPollIntervalMs += 500;
timer.cancel();
_startQrPolling();
return;
}
}
if (res['error'] == 'authorization_pending') {
return;
}
if (res['error'] == 'expired_token') {
timer.cancel();
_qrCountdownTimer?.cancel();
if (mounted) {
setState(() {
_qrExpired = true;
});
}
_showError(tr('msg.userfront.login.qr_expired'));
return;
}
if (res['status'] == 'ok') {
timer.cancel();
_qrCountdownTimer?.cancel();
final token =
res['sessionJwt'] ?? res['sessionToken'] ?? res['token'];
if (token is String && token.isNotEmpty) {
_completeLoginFromToken(token);
} else {
_showError(tr('msg.userfront.login.token_missing'));
}
}
} catch (e) {
debugPrint("[QR] Polling error: $e");
}
},
);
}
void _stopQrPolling() {
_qrPollingTimer?.cancel();
_qrPollingTimer = null;
_qrCountdownTimer?.cancel();
_qrCountdownTimer = null;
_qrPendingRef = null;
}
String _formatTime(int seconds) {
final m = seconds ~/ 60;
final s = seconds % 60;
return "${m.toString().padLeft(2, '0')}:${s.toString().padLeft(2, '0')}";
}
void _completeLoginFromToken(
String token, {
String? provider,
bool closeDialog = false,
}) {
final isJwt = token.split('.').length == 3;
if (isJwt) {
_getLoginIdFromJwt(token);
}
if (!mounted) return;
if (closeDialog && Navigator.canPop(context)) {
Navigator.of(context).pop();
}
_onLoginSuccess(token, provider: provider);
}
Future<bool> _hasValidLocalSession() async {
final token = AuthTokenStore.getToken();
final usesCookie = AuthTokenStore.usesCookie();
if (token == null && !usesCookie) {
return false;
}
try {
final status = await AuthProxyService.getSessionStatus(
token: token,
useCookie: usesCookie,
);
if (status == 200) {
return true;
}
if (status == 401 || status == 403) {
AuthTokenStore.clear();
}
} catch (e) {
debugPrint("[Auth] 세션 확인 실패: $e");
}
return false;
}
bool _moveVerificationOnlyResultToCleanRoute() {
if (!_verificationOnly || widget.verificationCompleteOnly) {
return false;
}
final localeCode =
extractLocaleFromPath(Uri.base) ?? resolvePreferredLocaleCode();
final target = buildLocalizedVerificationCompletePath(localeCode);
if (mounted) {
context.go(target);
} else {
webWindow.redirectTo(target);
}
return true;
}
void _markVerificationApproved(
String messageKey, {
String? titleKey,
String? pageTitleKey,
String? actionLabelKey,
String actionPath = '/',
bool autoRedirect = false,
Duration redirectDelay = const Duration(seconds: 2),
VoidCallback? onAction,
}) {
if (!mounted) return;
if (_moveVerificationOnlyResultToCleanRoute()) {
return;
}
setState(() {
_verificationApproved = true;
_verificationMessageKey = messageKey;
_verificationTitleKey =
titleKey ?? 'ui.userfront.login.verification.title';
_verificationPageTitleKey =
pageTitleKey ?? 'ui.userfront.login.verification.page_title';
_verificationActionLabelKey =
actionLabelKey ?? 'ui.userfront.login.verification.action_label';
_onVerificationAction = onAction;
});
_verificationRedirectTimer?.cancel();
if (autoRedirect) {
_verificationRedirectTimer = Timer(redirectDelay, () {
if (!mounted) return;
if (onAction != null) {
onAction();
} else {
context.go(actionPath);
}
});
}
}
VoidCallback? _onVerificationAction;
void _runVerificationExitAction() {
_onVerificationAction?.call();
}
void _closeVerificationWindowIfPossible() {
webWindow.close();
}
void _moveToSigninOrCloseVerificationWindow() {
if (webWindow.hasOpener()) {
webWindow.close();
return;
}
AuthTokenStore.skipNextCookieSessionCheck();
context.go(buildLocalizedSigninPath(Uri.base));
}
void _handleVerificationResultPrimaryAction() {
if (_onVerificationAction != null) {
_runVerificationExitAction();
return;
}
if (_verificationOnly) {
_closeVerificationWindowIfPossible();
return;
}
final hasLocalSession =
(AuthTokenStore.getToken()?.isNotEmpty ?? false) ||
AuthTokenStore.usesCookie();
final target = hasLocalSession
? buildLocalizedHomePath(Uri.base)
: buildLocalizedSigninPath(Uri.base);
if (mounted) {
setState(() {
_verificationOnly = false;
_verificationApproved = false;
});
}
context.go(target);
}
void _markRemoteVerificationApproved() {
_markVerificationApproved(
'msg.userfront.login.verification.approved_remote',
titleKey: 'ui.userfront.login.verification.title_remote',
actionLabelKey: 'ui.userfront.login.verification.action_label_remote',
onAction: _moveToSigninOrCloseVerificationWindow,
);
}
Widget _buildVerificationResultView() {
final theme = Theme.of(context);
final colorScheme = theme.colorScheme;
final accentColor = colorScheme.brightness == Brightness.dark
? const Color(0xFF93C5FD)
: const Color(0xFF1E3A8A);
final message = tr(
_verificationMessageKey ?? 'msg.userfront.login.verification.success',
);
final verificationTitle = tr(_verificationTitleKey);
final closeHint = tr('msg.userfront.login.verification.close_hint');
final showCloseHint =
_verificationActionLabelKey ==
'ui.userfront.login.verification.action_label_close';
return SafeArea(
child: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 32),
child: Center(
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 468),
child: LayoutBuilder(
builder: (context, constraints) {
final isCompact = constraints.maxWidth < 360;
final iconBoxSize = isCompact ? 76.0 : 88.0;
final iconSize = isCompact ? 48.0 : 56.0;
final verticalGap = isCompact ? 16.0 : 20.0;
final controlsOffset = isCompact ? 150.0 : 170.0;
final cardRadius = isCompact ? 24.0 : 28.0;
final cardPadding = isCompact
? const EdgeInsets.fromLTRB(20, 24, 20, 22)
: const EdgeInsets.fromLTRB(30, 34, 30, 28);
return Column(
mainAxisSize: MainAxisSize.min,
children: [
SizedBox(height: controlsOffset),
DecoratedBox(
decoration: BoxDecoration(
color: colorScheme.surface,
borderRadius: BorderRadius.circular(cardRadius),
border: Border.all(
color: colorScheme.outlineVariant.withValues(
alpha: 0.7,
),
),
boxShadow: [
BoxShadow(
color: colorScheme.shadow.withValues(alpha: 0.08),
blurRadius: 28,
offset: const Offset(0, 16),
),
],
),
child: Padding(
padding: cardPadding,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: iconBoxSize,
height: iconBoxSize,
decoration: BoxDecoration(
shape: BoxShape.circle,
gradient: LinearGradient(
colors: [
colorScheme.primary.withValues(alpha: 0.18),
colorScheme.tertiary.withValues(
alpha: 0.14,
),
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
),
alignment: Alignment.center,
child: Icon(
Icons.person,
size: iconSize,
color: colorScheme.primary,
),
),
SizedBox(height: verticalGap),
Text(
verificationTitle,
textAlign: TextAlign.center,
softWrap: true,
style: TextStyle(
fontSize: isCompact ? 22 : 26,
fontWeight: FontWeight.w800,
color: accentColor,
letterSpacing: -0.4,
height: 1.25,
),
),
const SizedBox(height: 12),
Text(
message,
textAlign: TextAlign.center,
softWrap: true,
style:
(isCompact
? theme.textTheme.bodyMedium
: theme.textTheme.bodyLarge)
?.copyWith(
height: 1.6,
color: colorScheme.onSurfaceVariant,
),
),
const SizedBox(height: 24),
Center(
child: ConstrainedBox(
constraints: const BoxConstraints(
minWidth: 180,
maxWidth: 320,
),
child: SizedBox(
width: double.infinity,
child: FilledButton(
onPressed:
_handleVerificationResultPrimaryAction,
child: Text(
tr(_verificationActionLabelKey),
textAlign: TextAlign.center,
),
),
),
),
),
if (showCloseHint) ...[
const SizedBox(height: 10),
Text(
closeHint,
textAlign: TextAlign.center,
softWrap: true,
style: theme.textTheme.bodyMedium?.copyWith(
height: 1.5,
color: colorScheme.onSurfaceVariant,
),
),
],
],
),
),
),
const SizedBox(height: 18),
const Wrap(
alignment: WrapAlignment.center,
spacing: 10,
runSpacing: 10,
children: [ThemeToggleButton(), LanguageSelector()],
),
],
);
},
),
),
),
),
);
}
Widget _buildVerificationPendingView() {
return Center(
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const SizedBox(
width: 48,
height: 48,
child: CircularProgressIndicator(strokeWidth: 4),
),
const SizedBox(height: 20),
Text(
tr('ui.userfront.login.verification.title_pending'),
textAlign: TextAlign.center,
style: const TextStyle(fontSize: 22, fontWeight: FontWeight.bold),
),
const SizedBox(height: 12),
Text(
tr('msg.userfront.login.verification.pending_remote'),
textAlign: TextAlign.center,
style: const TextStyle(color: Colors.black54),
),
],
),
),
);
}
Widget _buildVerificationOnlyScaffold() {
return Scaffold(
appBar: AppBar(
automaticallyImplyLeading: false,
title: Text(tr(_verificationPageTitleKey)),
leading: _verificationApproved && _onVerificationAction != null
? IconButton(
icon: const Icon(Icons.close),
onPressed: _runVerificationExitAction,
)
: null,
actions: const [ThemeToggleButton(compact: true)],
),
body: _verificationApproved
? _buildVerificationResultView()
: _buildVerificationPendingView(),
);
}
Future<void> _verifyToken(String token) async {
debugPrint("[Auth] Starting verification for token: $token");
try {
// Use Backend to verify the token (Backend-Driven Flow)
final res = await AuthProxyService.verifyMagicLink(
token,
verifyOnly: _verificationOnly,
);
debugPrint("[Auth] Verification successful for token: $token");
final jwt = res['token'] ?? res['sessionJwt'] ?? res['sessionToken'];
final status = res['status']?.toString();
final hasLocalSession = await _hasValidLocalSession();
final actionPath = hasLocalSession
? buildLocalizedHomePath(Uri.base)
: buildLocalizedSigninPath(Uri.base);
if (status == 'approved' || (jwt == null && _verificationOnly)) {
if (mounted) {
_markRemoteVerificationApproved();
}
return;
}
if (jwt is String && jwt.isNotEmpty) {
if (_verificationOnly) {
_markRemoteVerificationApproved();
return;
}
if (hasLocalSession) {
_markVerificationApproved(
'msg.userfront.login.verification.approved_local',
actionPath: actionPath,
);
return;
}
_onLoginSuccess(jwt, provider: res['provider'] as String?);
return;
}
if (mounted) {
_markVerificationApproved(
'msg.userfront.login.verification.approved',
actionPath: actionPath,
);
}
} catch (e) {
debugPrint("[Auth] Verification FAILED for token: $token. Error: $e");
// Handle the case where the token is already verified/used (common in remote flows)
final errorStr = e.toString();
if (errorStr.contains('already_used') ||
errorStr.contains('already_verified') ||
errorStr.contains('session_active')) {
if (mounted) {
_markRemoteVerificationApproved();
}
return;
}
if (mounted) {
_showError(
tr(
'msg.userfront.login.verification_failed',
params: {'error': e.toString()},
),
);
}
}
}
Future<void> _verifyLoginCode(
String loginId,
String code, {
String? pendingRef,
}) async {
final sanitizedLoginId = loginId.replaceAll(' ', '+');
debugPrint(
"[Auth] Starting code verification for loginId: $sanitizedLoginId",
);
try {
final res = await AuthProxyService.verifyLoginCode(
sanitizedLoginId,
code,
pendingRef: pendingRef,
verifyOnly: _verificationOnly,
);
final jwt = res['sessionJwt'] ?? res['sessionToken'] ?? res['token'];
final status = res['status']?.toString();
debugPrint(
"[Auth] Code verification successful for loginId: $sanitizedLoginId",
);
final hasLocalSession = await _hasValidLocalSession();
final actionPath = hasLocalSession
? buildLocalizedHomePath(Uri.base)
: buildLocalizedSigninPath(Uri.base);
if (jwt == null && status == 'approved') {
if (mounted) {
_markRemoteVerificationApproved();
}
return;
}
if (jwt is String && jwt.isNotEmpty) {
if (hasLocalSession) {
_markVerificationApproved(
'msg.userfront.login.verification.approved_local',
actionPath: actionPath,
);
return;
}
if (_verificationOnly) {
_markRemoteVerificationApproved();
return;
}
_onLoginSuccess(jwt, provider: res['provider'] as String?);
return;
}
if (_verificationOnly && mounted) {
_markRemoteVerificationApproved();
}
} catch (e) {
debugPrint(
"[Auth] Code verification FAILED for loginId: $sanitizedLoginId. Error: $e",
);
// Handle the case where the code is already verified/used (common in remote flows)
final errorStr = e.toString();
if (errorStr.contains('already_used') ||
errorStr.contains('already_verified') ||
errorStr.contains('session_active')) {
if (mounted) {
_markRemoteVerificationApproved();
}
return;
}
if (mounted) {
_showError(
tr(
'msg.userfront.login.verification_failed',
params: {'error': e.toString()},
),
);
}
}
}
Future<void> _verifyShortCode(String shortCode) async {
final sanitized = shortCode.trim().toUpperCase();
if (sanitized.isEmpty) return;
debugPrint("[Auth] Starting short code verification for code: $sanitized");
try {
final res = await AuthProxyService.verifyLoginShortCode(
sanitized,
verifyOnly: _verificationOnly,
);
final jwt = res['sessionJwt'] ?? res['sessionToken'] ?? res['token'];
final status = res['status']?.toString();
debugPrint("[Auth] Short code verification successful");
final hasLocalSession = await _hasValidLocalSession();
final actionPath = hasLocalSession
? buildLocalizedHomePath(Uri.base)
: buildLocalizedSigninPath(Uri.base);
if (jwt == null && status == 'approved') {
if (mounted) {
_markRemoteVerificationApproved();
}
return;
}
if (jwt is String && jwt.isNotEmpty) {
if (hasLocalSession) {
_markVerificationApproved(
'msg.userfront.login.verification.approved_local',
actionPath: actionPath,
);
return;
}
if (_verificationOnly) {
_markRemoteVerificationApproved();
return;
}
_onLoginSuccess(jwt, provider: res['provider'] as String?);
return;
}
if (_verificationOnly && mounted) {
_markRemoteVerificationApproved();
}
} catch (e) {
debugPrint("[Auth] Short code verification FAILED. Error: $e");
// Handle the case where the code is already verified/used (common in remote flows)
final errorStr = e.toString();
if (errorStr.contains('already_used') ||
errorStr.contains('already_verified') ||
errorStr.contains('session_active')) {
if (mounted) {
_markRemoteVerificationApproved();
}
return;
}
if (mounted) {
_showError(
tr(
'msg.userfront.login.verification_failed',
params: {'error': e.toString()},
),
);
}
}
}
@override
void dispose() {
_stopQrPolling();
_verificationRedirectTimer?.cancel();
_tabController.dispose();
_linkIdController.dispose();
_passwordLoginIdController.dispose();
_passwordController.dispose();
_passwordFocusNode
..removeListener(_handlePasswordFocusChange)
..dispose();
HardwareKeyboard.instance.removeHandler(_handleHardwareKeyEvent);
_shortCodePrefixController.dispose();
_shortCodeDigitsController.dispose();
_linkResendTimer?.cancel();
super.dispose();
}
Future<void> _handlePasswordLogin() async {
final input = _passwordLoginIdController.text.trim();
final password = _passwordController.text.trim();
if (input.isEmpty || password.isEmpty) {
_showError(tr('msg.userfront.login.password.missing_credentials'));
return;
}
String loginId = input;
if (!input.contains('@')) {
loginId = input.replaceAll(RegExp(r'[-\s]'), '');
if (loginId.startsWith('010')) {
loginId = '+82${loginId.substring(1)}';
}
}
try {
final res = await AuthProxyService.loginWithPassword(
loginId,
password,
loginChallenge: _loginChallenge,
);
final jwt = res['sessionJwt'] ?? res['sessionToken'] ?? res['token'];
final provider = res['provider'] as String?;
final redirectTo = res['redirectTo'] as String?;
if (jwt != null) {
_onLoginSuccess(jwt, provider: provider, redirectTo: redirectTo);
} else if (redirectTo != null && redirectTo.isNotEmpty) {
webWindow.redirectTo(redirectTo);
} else {}
} catch (e) {
final errorMessage = e.toString().replaceFirst('Exception: ', '');
try {
await AuthProxyService.logError(
'[PasswordLogin] $errorMessage',
error: e,
);
} catch (_) {
// Ignore client-log relay failures and continue with user feedback.
}
if (e.toString().contains("User not registered")) {
_showUnregisteredDialog();
} else {
_showError(
tr(
'msg.userfront.login.password.failed',
params: {'error': errorMessage},
),
);
}
}
}
Future<void> _handleLinkLogin() async {
final input = _linkIdController.text.trim();
if (input.isEmpty) return;
String loginId = input;
if (!input.contains('@')) {
loginId = input.replaceAll(RegExp(r'[-\s]'), '');
if (loginId.startsWith('010')) {
loginId = '+82${loginId.substring(1)}';
}
}
debugPrint("[Auth] Initiating Enchanted Link for: $loginId");
try {
await _startEnchantedFlow(loginId, isEmail: input.contains('@'));
} catch (e) {
if (e.toString().contains("User not registered")) {
_showUnregisteredDialog();
} else {
_showError(
tr(
'msg.userfront.login.link_failed',
params: {'error': e.toString()},
),
);
}
}
}
Future<void> _startEnchantedFlow(
String loginId, {
required bool isEmail,
bool codeOnly = false,
}) async {
try {
final initResponse = await AuthProxyService.initEnchantedLink(
loginId,
codeOnly: codeOnly,
drySend: _drySendEnabled,
);
final pendingRef = initResponse['pendingRef'];
final mode = (initResponse['mode'] ?? '').toString();
final provider = (initResponse['provider'] ?? '').toString();
final interval = initResponse['interval'];
final resendAfter = initResponse['resendAfter'];
final expiresIn = initResponse['expiresIn'];
debugPrint(
"[Auth] Link Sent. PendingRef: $pendingRef, Mode: $mode, Provider: $provider",
);
if (mounted) {
setState(() {
_linkPendingRef = pendingRef?.toString();
_lastLinkLoginId = loginId;
_lastLinkIsEmail = isEmail;
_linkExpired = false;
});
_dismissOverlays();
_showInfo(
isEmail
? tr('msg.userfront.login.link_sent_email')
: tr('msg.userfront.login.link_sent_phone'),
);
final initialInterval = (interval is int && interval > 0)
? Duration(seconds: interval)
: const Duration(seconds: 2);
if (resendAfter is int && resendAfter > 0) {
_startLinkResendTimer(resendAfter);
}
if (expiresIn is int && expiresIn > 0) {
_startLinkExpireTimer(expiresIn);
}
_pollForSession(pendingRef, initialInterval: initialInterval);
}
} catch (e) {
debugPrint("[Auth] Initialization failed: $e");
if (mounted) {
setState(_resetLinkLoginState);
}
if (e.toString().contains("User not registered")) {
_showUnregisteredDialog();
} else {
_showError(
tr(
'msg.userfront.login.link_send_failed',
params: {'error': e.toString()},
),
);
}
}
}
Future<void> _pollForSession(
String pendingRef, {
Duration? initialInterval,
}) async {
int attempts = 0;
const maxAttempts = 60;
var pollInterval = initialInterval ?? const Duration(seconds: 2);
debugPrint("[Auth] Starting poll for ref: $pendingRef");
while (attempts < maxAttempts && mounted) {
if (_linkPendingRef != pendingRef) {
return;
}
await Future.delayed(pollInterval);
attempts++;
try {
final result = await AuthProxyService.pollEnchantedLink(pendingRef);
if (result['error'] == 'slow_down') {
final interval = result['interval'];
if (interval is int && interval > 0) {
pollInterval = Duration(seconds: interval);
} else {
pollInterval += const Duration(seconds: 1);
}
continue;
}
if (result['error'] == 'authorization_pending') {
continue;
}
if (result['error'] == 'expired_token') {
if (mounted) {
Navigator.of(context).pop();
_showError(tr('msg.userfront.login.link_timeout'));
}
return;
}
if (result['status'] == 'ok') {
final token =
result['sessionJwt'] ?? result['sessionToken'] ?? result['token'];
if (token is String && token.isNotEmpty) {
debugPrint("[Auth] Polling SUCCESS. Token received.");
_completeLoginFromToken(
token,
provider: result['provider'] as String?,
closeDialog: true,
);
return;
}
debugPrint("[Auth] Polling SUCCESS but token missing.");
if (mounted && Navigator.canPop(context)) {
Navigator.of(context).pop();
}
_showError(tr('msg.userfront.login.token_missing'));
return;
}
} catch (e) {
debugPrint("[Auth] Polling error (attempt $attempts): $e");
}
}
if (mounted) {
debugPrint("[Auth] Polling timed out for ref: $pendingRef");
Navigator.of(context).pop();
_showError(tr('msg.userfront.login.link_timeout'));
}
}
void _showError(String message) {
if (!mounted) return;
ToastService.error(message);
try {
AuthProxyService.logError(message);
} catch (e) {
// ignore
}
}
void _showInfo(String message) {
if (!mounted) return;
ToastService.success(message);
}
void _logTokenDetails(String jwt) {
try {
final parts = jwt.split('.');
if (parts.length != 3) return;
final decodedPayload = base64Url.decode(base64Url.normalize(parts[1]));
final payloadJson = utf8.decode(decodedPayload);
final data = json.decode(payloadJson) as Map<String, dynamic>;
final accessExpValue = data['exp'] as num?;
final accessExp = accessExpValue != null
? DateTime.fromMillisecondsSinceEpoch(accessExpValue.toInt() * 1000)
: 'N/A';
final refreshExp = data['rexp'] ?? 'N/A';
debugPrint("""
[Auth] Session Token Details ---
- Access Token Expires: $accessExp
- Refresh Token Expires: $refreshExp
""");
} catch (e) {
debugPrint("[Auth] Failed to decode or log token details: $e");
}
}
Future<void> _onLoginSuccess(
String token, {
String? provider,
String? redirectTo,
}) async {
try {
if (!mounted) {
return;
}
// [Priority 1] Immediate External Redirection
if (redirectTo != null && redirectTo.isNotEmpty) {
try {
final providerName = provider ?? AuthTokenStore.getProvider();
AuthTokenStore.setToken(token, provider: providerName);
} catch (stErr) {
// ignore
}
webWindow.redirectTo(redirectTo); // Removed await as it's void
return;
}
// [Priority 2] OIDC Challenge Handling
final loginChallenge = _loginChallenge;
if (loginChallenge != null && loginChallenge.isNotEmpty) {
try {
// Save token first, it's needed for acceptance
final providerName = provider ?? AuthTokenStore.getProvider();
AuthTokenStore.setToken(token, provider: providerName);
final res = await AuthProxyService.acceptOidcLogin(
loginChallenge,
token: token,
);
// IMPORTANT: If backend returned a token during OIDC flow, save it to fix login state.
final jwt = res['sessionJwt'] ?? res['token'] ?? token;
if (jwt != null && jwt.isNotEmpty) {
await AuthNotifier.instance.onLoginSuccess(
jwt,
provider: res['provider'] as String? ?? providerName,
);
}
final nextRedirectTo = res['redirectTo'] as String?;
if (nextRedirectTo != null && nextRedirectTo.isNotEmpty) {
loginChallengeLoopGuard.clear(loginChallenge);
// Give 50ms delay for localStorage to settle
await Future.delayed(const Duration(milliseconds: 50));
webWindow.redirectTo(nextRedirectTo); // Removed await
return;
} else {}
} catch (e) {
_showError(tr('msg.userfront.login.oidc_failed'));
return;
}
}
_logTokenDetails(token);
final providerName = provider ?? AuthTokenStore.getProvider();
AuthTokenStore.setToken(token, provider: providerName);
AuthTokenStore.clearPendingProvider();
_dismissOverlays();
try {
await ref.read(profileProvider.notifier).loadProfile();
} catch (e) {
// ignore
}
final uri = Uri.base;
final redirectParam =
uri.queryParameters['redirect_uri'] ??
uri.queryParameters['redirect_url'];
final hasRedirectParam =
redirectParam != null && redirectParam.isNotEmpty;
if (WebAuthIntegration.isPopup() || hasRedirectParam) {
WebAuthIntegration.sendLoginSuccess(token);
AuthNotifier.instance.notify();
return;
}
if (mounted) {
_goLocalizedHomeOnce();
}
} catch (globalErr) {
// ignore
}
}
void _showUnregisteredDialog() {
showDialog(
context: context,
builder: (context) => AlertDialog(
title: Text(tr('ui.userfront.login.unregistered.title')),
content: Text(tr('msg.userfront.login.unregistered.body')),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: Text(tr('ui.common.cancel')),
),
FilledButton(
onPressed: () {
Navigator.pop(context);
_resetLinkLoginState();
context.push('/signup');
},
child: Text(tr('ui.userfront.login.unregistered.action')),
),
],
),
);
}
String _capsLockWarningText(BuildContext context) {
const key = 'msg.userfront.login.password.caps_lock_on';
final languageCode = Localizations.localeOf(context).languageCode;
if (languageCode == 'ko') {
final translated = tr(key);
if (translated != key) {
return translated;
}
return 'Caps Lock이 켜져 있습니다.';
}
final translated = tr(key, fallback: 'Caps Lock is on.');
if (translated != key) {
return translated;
}
return 'Caps Lock is on.';
}
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final colorScheme = theme.colorScheme;
final mutedColor = colorScheme.onSurfaceVariant;
final inputForegroundColor = colorScheme.brightness == Brightness.dark
? const Color(0xFFE2E8F0)
: const Color(0xFF334155);
final primaryColor = colorScheme.brightness == Brightness.dark
? const Color(0xFF93C5FD)
: const Color(0xFF1E3A8A);
final onPrimaryColor = colorScheme.brightness == Brightness.dark
? const Color(0xFF0F172A)
: Colors.white;
final inputDecorationTheme = theme.inputDecorationTheme.copyWith(
filled: false,
fillColor: Colors.transparent,
contentPadding: const EdgeInsets.symmetric(horizontal: 18, vertical: 18),
isDense: true,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide(color: colorScheme.outline),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide(color: colorScheme.outline),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide(color: primaryColor, width: 1.6),
),
labelStyle: TextStyle(color: inputForegroundColor),
floatingLabelStyle: TextStyle(color: primaryColor),
hintStyle: TextStyle(color: inputForegroundColor),
prefixIconColor: inputForegroundColor,
);
final localTheme = theme.copyWith(
inputDecorationTheme: inputDecorationTheme,
tabBarTheme: theme.tabBarTheme.copyWith(
dividerColor: colorScheme.outlineVariant,
indicatorColor: primaryColor,
labelColor: colorScheme.onSurface,
unselectedLabelColor: mutedColor,
labelStyle: theme.textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.w700,
),
unselectedLabelStyle: theme.textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.w600,
),
),
filledButtonTheme: FilledButtonThemeData(
style: FilledButton.styleFrom(
minimumSize: const Size.fromHeight(48),
backgroundColor: primaryColor,
foregroundColor: onPrimaryColor,
textStyle: theme.textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.w700,
),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
),
),
textButtonTheme: TextButtonThemeData(
style: TextButton.styleFrom(
foregroundColor: primaryColor,
textStyle: theme.textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.w600,
),
),
),
);
if (_verificationOnly) {
return _buildVerificationOnlyScaffold();
}
return Scaffold(
backgroundColor: colorScheme.surfaceContainerLowest,
body: LayoutBuilder(
builder: (context, constraints) {
return Theme(
data: localTheme,
child: SingleChildScrollView(
child: ConstrainedBox(
constraints: BoxConstraints(minHeight: constraints.maxHeight),
child: Center(
child: Container(
constraints: const BoxConstraints(maxWidth: 480),
padding: const EdgeInsets.symmetric(
horizontal: 28,
vertical: 40,
),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Text(
tr('ui.userfront.app_title'),
style: theme.textTheme.headlineMedium?.copyWith(
fontSize: 34,
fontWeight: FontWeight.w800,
letterSpacing: 0,
),
textAlign: TextAlign.center,
),
if (_drySendEnabled) ...[
const SizedBox(height: 20),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 14,
vertical: 12,
),
decoration: BoxDecoration(
color: const Color(0xFFFFF3CD),
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: const Color(0xFFFFC107),
),
),
child: Row(
children: [
const Icon(
Icons.warning_amber_rounded,
color: Color(0xFF8A6D3B),
),
const SizedBox(width: 10),
Expanded(
child: Text(
tr('msg.userfront.login.dry_send'),
style: const TextStyle(
color: Color(0xFF8A6D3B),
fontSize: 12,
),
),
),
],
),
),
],
const SizedBox(height: 52),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 34),
child: TabBar(
controller: _tabController,
indicatorSize: TabBarIndicatorSize.label,
tabs: [
Tab(text: tr('ui.userfront.login.tabs.password')),
Tab(text: tr('ui.userfront.login.tabs.link')),
Tab(text: tr('ui.userfront.login.tabs.qr')),
],
),
),
const SizedBox(height: 28),
SizedBox(
height: 360,
child: TabBarView(
controller: _tabController,
children: [
Padding(
padding: const EdgeInsets.only(top: 20),
child: Align(
alignment: Alignment.topCenter,
child: ConstrainedBox(
constraints: const BoxConstraints(
maxWidth: 356,
),
child: Column(
children: [
TextField(
key: const ValueKey(
'password_login_id_input',
),
controller:
_passwordLoginIdController,
decoration: InputDecoration(
labelText:
_loginIdLabel ??
tr(
'ui.userfront.login.field.login_id',
),
prefixIcon: const Icon(
Icons.person_outline,
size: 22,
),
),
onSubmitted: (_) =>
_handlePasswordLogin(),
),
const SizedBox(height: 18),
TextField(
key: const ValueKey(
'password_login_password_input',
),
focusNode: _passwordFocusNode,
controller: _passwordController,
obscureText: true,
decoration: InputDecoration(
labelText: tr(
'ui.userfront.login.field.password',
),
prefixIcon: const Icon(
Icons.lock_outline,
size: 22,
),
),
onSubmitted: (_) =>
_handlePasswordLogin(),
),
if (_isPasswordCapsLockOn) ...[
const SizedBox(height: 10),
Row(
children: [
const Icon(
Icons.keyboard_capslock_rounded,
size: 18,
color: Colors.orange,
),
const SizedBox(width: 8),
Expanded(
child: Text(
_capsLockWarningText(context),
style: const TextStyle(
color: Colors.orange,
fontSize: 12,
fontWeight: FontWeight.w600,
),
),
),
],
),
],
const SizedBox(height: 28),
FilledButton(
key: const ValueKey(
'password_login_submit_button',
),
onPressed: _handlePasswordLogin,
child: Text(
tr(
'ui.userfront.login.action.submit',
),
),
),
],
),
),
),
),
Padding(
padding: const EdgeInsets.only(top: 20),
child: Align(
alignment: Alignment.topCenter,
child: ConstrainedBox(
constraints: const BoxConstraints(
maxWidth: 356,
),
child: Column(
children: [
if (_linkPendingRef == null) ...[
TextField(
controller: _linkIdController,
decoration: InputDecoration(
labelText: tr(
'ui.userfront.login.field.login_id',
),
hintText: '',
prefixIcon: const Icon(
Icons.person_outline,
size: 22,
),
),
onSubmitted: (_) =>
_handleLinkLogin(),
),
const SizedBox(height: 28),
FilledButton(
onPressed: _handleLinkLogin,
child: Text(
tr(
'ui.userfront.login.link.send',
),
),
),
const SizedBox(height: 24),
Text(
tr(
'msg.userfront.login.link.helper',
),
style: TextStyle(
color: mutedColor,
fontSize: 12,
height: 1.5,
),
textAlign: TextAlign.center,
),
],
if (_linkPendingRef != null) ...[
if (_linkExpired) ...[
Text(
tr(
'msg.userfront.login.link_timeout',
),
textAlign: TextAlign.center,
style: TextStyle(
color: mutedColor,
fontSize: 12,
),
),
const SizedBox(height: 14),
FilledButton(
onPressed: () {
setState(_resetLinkLoginState);
},
child: Text(
tr('ui.common.refresh'),
),
),
] else ...[
Text(
tr(
'msg.userfront.login.link.short_code_help',
),
style: TextStyle(
color: mutedColor,
fontSize: 12,
height: 1.5,
),
textAlign: TextAlign.center,
),
const SizedBox(height: 14),
Row(
children: [
Expanded(
flex: 2,
child: TextField(
controller:
_shortCodePrefixController,
textCapitalization:
TextCapitalization
.characters,
decoration: InputDecoration(
labelText: tr(
'ui.userfront.login.short_code.prefix',
),
hintText: 'AB',
hintStyle: TextStyle(
color: mutedColor,
),
counterText: '',
),
maxLength: 2,
),
),
const SizedBox(width: 10),
Expanded(
flex: 4,
child: TextField(
controller:
_shortCodeDigitsController,
keyboardType:
TextInputType.number,
decoration: InputDecoration(
labelText: tr(
'ui.userfront.login.short_code.digits',
),
hintText: '345678',
hintStyle: TextStyle(
color: mutedColor,
),
counterText: '',
suffixText:
_linkExpireSeconds > 0
? tr(
'ui.userfront.login.short_code.expire_time',
params: {
'time': _formatTime(
_linkExpireSeconds,
),
},
)
: null,
),
maxLength: 6,
),
),
],
),
const SizedBox(height: 14),
FilledButton(
onPressed: () {
final prefix =
_shortCodePrefixController
.text
.trim()
.toUpperCase();
final digits =
_shortCodeDigitsController
.text
.trim();
if (prefix.length != 2 ||
digits.length != 6) {
_showError(
tr(
'msg.userfront.login.short_code.invalid',
),
);
return;
}
_verifyShortCode(
prefix + digits,
);
},
child: Text(
tr(
'ui.userfront.login.short_code.submit',
),
),
),
const SizedBox(height: 14),
TextButton(
onPressed: () {
if (_linkResendSeconds > 0) {
_showInfo(
tr(
'msg.userfront.login.link.resend_wait',
params: {
'time': _formatTime(
_linkResendSeconds,
),
},
),
);
return;
}
final loginId =
_lastLinkLoginId ??
_linkIdController.text
.trim();
if (loginId.isEmpty) {
_showError(
tr(
'msg.userfront.login.link.missing_login_id',
),
);
return;
}
_startEnchantedFlow(
loginId,
isEmail:
_lastLinkIsEmail ||
loginId.contains('@'),
codeOnly: false,
);
},
child: Text(
_linkResendSeconds > 0
? tr(
'ui.userfront.login.link.resend_with_time',
params: {
'time': _formatTime(
_linkResendSeconds,
),
},
)
: tr('ui.common.resend'),
),
),
if (!_lastLinkIsEmail) ...[
const SizedBox(height: 4),
TextButton(
onPressed: () {
if (_linkResendSeconds > 0) {
_showInfo(
tr(
'msg.userfront.login.link.resend_wait',
params: {
'time': _formatTime(
_linkResendSeconds,
),
},
),
);
return;
}
final loginId =
_lastLinkLoginId ??
_linkIdController.text
.trim();
if (loginId.isEmpty) {
_showError(
tr(
'msg.userfront.login.link.missing_phone',
),
);
return;
}
_startEnchantedFlow(
loginId,
isEmail: false,
codeOnly: true,
);
},
child: Text(
tr(
'ui.userfront.login.link.code_only',
params: {
'time': _formatTime(
_linkResendSeconds,
),
},
),
),
),
],
],
],
],
),
),
),
),
Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
if (_isQrLoading)
const CircularProgressIndicator()
else if (_qrExpired)
Column(
children: [
Text(
tr('msg.userfront.login.qr_expired'),
textAlign: TextAlign.center,
style: TextStyle(
color: mutedColor,
fontSize: 12,
),
),
const SizedBox(height: 14),
FilledButton(
onPressed: _startQrFlow,
child: Text(tr('ui.common.refresh')),
),
],
)
else if (_qrImageBase64 != null)
Column(
crossAxisAlignment:
CrossAxisAlignment.center,
children: [
Container(
padding: const EdgeInsets.all(18),
decoration: BoxDecoration(
border: Border.all(
color: colorScheme.outline,
),
borderRadius: BorderRadius.circular(
18,
),
),
child: QrImageView(
data: _qrImageBase64!,
version: QrVersions.auto,
size: 200.0,
backgroundColor: Colors.white,
),
),
const SizedBox(height: 14),
Text(
_qrRemainingSeconds > 0
? tr(
'ui.userfront.login.qr.remaining',
params: {
'time': _formatTime(
_qrRemainingSeconds,
),
},
)
: tr(
'ui.userfront.login.qr.expired',
),
textAlign: TextAlign.center,
style: TextStyle(
color: _qrRemainingSeconds > 30
? primaryColor
: Colors.red,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 8),
Text(
tr(
'msg.userfront.login.qr.scan_hint',
),
textAlign: TextAlign.center,
style: TextStyle(
color: mutedColor,
fontSize: 12,
height: 1.5,
),
),
TextButton(
onPressed: _startQrFlow,
child: Text(
tr('ui.userfront.login.qr.refresh'),
),
),
],
)
else
Text(
tr('msg.userfront.login.qr.load_failed'),
textAlign: TextAlign.center,
),
],
),
],
),
),
const SizedBox(height: 18),
Column(
children: [
TextButton(
onPressed: () => context.push('/forgot-password'),
child: Text(
tr('ui.userfront.login.forgot_password'),
),
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
tr('msg.userfront.login.no_account'),
style: TextStyle(
color: mutedColor,
fontSize: 14,
),
),
TextButton(
onPressed: () => context.push('/signup'),
child: Text(tr('ui.userfront.login.signup')),
),
],
),
],
),
const SizedBox(height: 12),
const Wrap(
alignment: WrapAlignment.center,
spacing: 10,
runSpacing: 10,
children: [ThemeToggleButton(), LanguageSelector()],
),
],
),
),
),
),
),
);
},
),
);
}
}