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feat(client): 登录体验 — 记住邮箱 + 密码显隐 + 7天免登陆
1. 记住邮箱:登录页预填上次邮箱(TokenStore.saveLastEmail,登录/注册成功时存,
   退出登录不清除)。
2. 密码显隐:登录/注册密码框加眼睛按钮切换明文(PangolinIcons.eye/eyeOff)。
3. 7天免登陆:RootFlow 改为响应 authProvider——启动时有有效会话直接进主界面;
   AuthNotifier.refresh() 在服务端拒绝(refresh 过期/超 7 天)时 logout 回登录页,
   网络错误则保留会话。会话恢复期间显示极简启动屏。

flutter analyze 0 error;114 tests passed。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-19 06:28:49 +08:00

43 lines
1.7 KiB
Dart

// token_store.dart — JWT 令牌安全持久化(flutter_secure_storage 封装)
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
class TokenStore {
const TokenStore({FlutterSecureStorage? storage})
: _storage = storage ?? const FlutterSecureStorage(
// macOS 用文件式 keychain,避免未签名 app 缺 keychain-access-groups
// entitlement 时 write 报 -34018。
mOptions: MacOsOptions(useDataProtectionKeyChain: false),
);
final FlutterSecureStorage _storage;
static const _kAccess = 'pangolin_access_token';
static const _kRefresh = 'pangolin_refresh_token';
static const _kOnboarded = 'pangolin_onboarded';
static const _kLastEmail = 'pangolin_last_email';
Future<void> saveTokens({
required String access,
required String refresh,
}) async {
await _storage.write(key: _kAccess, value: access);
await _storage.write(key: _kRefresh, value: refresh);
}
Future<String?> loadAccessToken() => _storage.read(key: _kAccess);
Future<String?> loadRefreshToken() => _storage.read(key: _kRefresh);
Future<void> clear() async {
await _storage.delete(key: _kAccess);
await _storage.delete(key: _kRefresh);
}
// 首次引导标记:引导页只在第一次看(看完置位,后续登录直接进主界面)。
Future<void> markOnboarded() => _storage.write(key: _kOnboarded, value: '1');
Future<bool> isOnboarded() async => (await _storage.read(key: _kOnboarded)) == '1';
// 记住上次登录邮箱(登录页预填;退出登录不清除)。
Future<void> saveLastEmail(String email) => _storage.write(key: _kLastEmail, value: email);
Future<String?> loadLastEmail() => _storage.read(key: _kLastEmail);
}