157 lines
5.0 KiB
Dart
157 lines
5.0 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'package:crypto/crypto.dart';
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import 'package:device_info_plus/device_info_plus.dart';
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import 'package:flutter/foundation.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../adjust/adjust_events.dart';
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import '../api/api_client.dart';
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import '../api/proxy_client.dart';
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import '../api/services/user_api.dart';
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import '../referrer/referrer_service.dart';
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import '../user/user_state.dart';
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/// 认证服务：APP 启动时执行快速登录
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class AuthService {
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AuthService._();
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static const _tag = '[AuthService]';
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static Future<void>? _loginFuture;
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/// 登录完成后的 Future，需鉴权接口应 await 此 Future 再请求
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static Future<void> get loginComplete =>
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_loginFuture ?? Future<void>.value();
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static void _log(String msg) {
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debugPrint('$_tag $msg');
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}
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/// 获取设备 ID（Android: androidId, iOS: identifierForVendor, Web: fallback）
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static Future<String> _getDeviceId() async {
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final deviceInfo = DeviceInfoPlugin();
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switch (defaultTargetPlatform) {
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case TargetPlatform.android:
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final android = await deviceInfo.androidInfo;
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return android.id;
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case TargetPlatform.iOS:
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final ios = await deviceInfo.iosInfo;
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return ios.identifierForVendor ?? 'ios-unknown';
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default:
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return 'device-${DateTime.now().millisecondsSinceEpoch}';
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}
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}
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/// 计算 sign：MD5(deviceId) 大写 32 位
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static String _computeSign(String deviceId) {
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final bytes = utf8.encode(deviceId);
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final digest = md5.convert(bytes);
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return digest.toString().toUpperCase();
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}
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/// APP 启动时调用快速登录
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/// 启动时网络可能未就绪，会延迟后重试
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static Future<void> init() async {
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if (_loginFuture != null) return _loginFuture!;
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final completer = Completer<void>();
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_loginFuture = completer.future;
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_log('init: 开始快速登录');
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const maxRetries = 3;
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const retryDelay = Duration(seconds: 2);
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try {
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// 等待网络就绪（浏览器能访问但 App 报错时，多为启动时网络未初始化）
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await Future<void>.delayed(const Duration(seconds: 2));
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final deviceId = await _getDeviceId();
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_log('init: deviceId=$deviceId');
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final sign = _computeSign(deviceId);
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_log('init: sign=$sign');
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final crest = await ReferrerService.getReferrer();
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if (crest != null && crest.isNotEmpty) {
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_log('init: crest(referrer)=$crest');
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}
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ApiResponse? res;
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for (var i = 0; i < maxRetries; i++) {
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if (i > 0) {
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_log('init: 第 ${i + 1} 次重试，等待 ${retryDelay.inSeconds}s...');
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await Future<void>.delayed(retryDelay);
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}
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try {
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res = await UserApi.fastLogin(
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origin: deviceId,
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resolution: sign,
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digest: crest ?? '',
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crest: crest,
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);
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break;
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} catch (e) {
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_log('init: 第 ${i + 1} 次请求失败: $e');
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if (i == maxRetries - 1) rethrow;
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}
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}
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if (res == null) return;
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_log('init: 登录结果 code=${res.code} msg=${res.msg}');
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if (res.isSuccess && res.data != null) {
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final data = res.data as Map<String, dynamic>?;
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final token = data?['reevaluate'] as String?;
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if (token != null && token.isNotEmpty) {
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ApiClient.instance.setUserToken(token);
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_log('init: 已设置 userToken');
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} else {
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_log('init: 响应中无 reevaluate (userToken)');
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}
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final prefs = await SharedPreferences.getInstance();
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final hadLoggedIn = prefs.getBool('adjust_has_logged_in') ?? false;
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if (!hadLoggedIn) {
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AdjustEvents.trackRegister();
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await prefs.setBool('adjust_has_logged_in', true);
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await prefs.setString(
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'adjust_register_date',
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DateTime.now().toIso8601String().substring(0, 10),
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);
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_log('init: 首次登录，已上报 register');
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}
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final credits = data?['reveal'] as int?;
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if (credits != null) {
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UserState.setCredits(credits);
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_log('init: 已同步积分 $credits');
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}
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final uid = data?['asset'] as String?;
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if (uid != null && uid.isNotEmpty) {
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UserState.setUserId(uid);
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_log('init: 已设置 userId');
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}
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final avatarUrl = data?['realm'] as String?;
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if (avatarUrl != null && avatarUrl.isNotEmpty) {
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UserState.setAvatar(avatarUrl);
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}
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final name = data?['terminal'] as String?;
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if (name != null && name.isNotEmpty) {
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UserState.setUserName(name);
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}
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final countryCode = data?['navigate'] as String?;
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if (countryCode != null) {
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UserState.setNavigate(countryCode);
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}
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} else {
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_log('init: 登录失败');
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}
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} catch (e, st) {
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_log('init: 异常 $e');
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_log('init: 堆栈 $st');
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} finally {
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if (!completer.isCompleted) completer.complete();
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}
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}
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}
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