354 lines
13 KiB
Dart
354 lines
13 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:math';
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import 'package:android_id/android_id.dart';
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import 'package:collection/collection.dart';
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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:screen_secure/screen_secure.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 'auth_token_store.dart';
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import '../api/api_config.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 '../log/app_logger.dart';
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import '../referrer/referrer_service.dart';
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import '../user/user_state.dart';
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/// 用于判断 common_info 是否改变了首页结构（分类栏 / 列表数据源）
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class _HomeExtSnapshot {
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_HomeExtSnapshot(this.needWait, this.items);
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final bool? needWait;
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final List<dynamic>? items;
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factory _HomeExtSnapshot.capture() {
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final raw = UserState.extConfigItems.value;
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return _HomeExtSnapshot(
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UserState.needShowVideoMenu.value,
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raw == null ? null : List<dynamic>.from(raw),
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);
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}
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static bool needsFullHomeReload(_HomeExtSnapshot before, _HomeExtSnapshot after) {
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if (before.needWait != after.needWait) return true;
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return !const DeepCollectionEquality().equals(before.items, after.items);
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}
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}
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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 final _log = AppLogger('AuthService');
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static Future<void>? _loginFuture;
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/// 登录是否已完成，用于 UI 控制（如登录中隐藏页面加载指示器）
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static final ValueNotifier<bool> isLoginComplete = ValueNotifier(false);
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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 => _loginFuture ?? Future<void>.value();
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static void _logMsg(String msg) {
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_log.d(msg);
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}
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static const _prefsKeyFallbackDeviceId = 'persisted_device_id';
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/// 设备唯一标识（用于 fast_login origin 等）。
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///
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/// - **Android**：`Settings.Secure.ANDROID_ID`（[`android_id`](https://pub.dev/packages/android_id)）。\
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/// 注意：`device_info_plus` 的 `AndroidDeviceInfo.id` 实为 **`Build.ID`（ROM 构建号）**，同版本机型大量相同，**不能**当设备 ID。
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/// - **iOS**：`identifierForVendor`（同厂商应用间稳定；卸载同厂商全部应用后会变）。
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/// - **其它 / 读失败**：写入 SharedPreferences 的随机 id，保证进程内稳定且极低碰撞概率。
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static Future<String> _getDeviceId() async {
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switch (defaultTargetPlatform) {
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case TargetPlatform.android:
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final androidId = await const AndroidId().getId();
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if (androidId != null && androidId.isNotEmpty) {
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return androidId;
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}
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_logMsg('_getDeviceId: ANDROID_ID 为空，使用本地持久化 fallback');
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return _persistedFallbackDeviceId();
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case TargetPlatform.iOS:
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final ios = await DeviceInfoPlugin().iosInfo;
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final idfv = ios.identifierForVendor;
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if (idfv != null && idfv.isNotEmpty) return idfv;
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return _persistedFallbackDeviceId();
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default:
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return _persistedFallbackDeviceId();
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}
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}
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static Future<String> _persistedFallbackDeviceId() async {
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final prefs = await SharedPreferences.getInstance();
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var id = prefs.getString(_prefsKeyFallbackDeviceId);
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if (id != null && id.isNotEmpty) return id;
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final random = Random.secure();
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final bytes = List<int>.generate(16, (_) => random.nextInt(256));
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id = base64UrlEncode(bytes).replaceAll('=', '');
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await prefs.setString(_prefsKeyFallbackDeviceId, id);
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_logMsg('_getDeviceId: 已生成并持久化 fallback id');
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return id;
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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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/// 根据 extConfig.safe_area 启用/禁用系统截屏防护
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static Future<void> _applyScreenSecure(bool? safeArea) async {
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if (defaultTargetPlatform != TargetPlatform.android &&
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defaultTargetPlatform != TargetPlatform.iOS) {
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return;
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}
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try {
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await ScreenSecure.init(screenshotBlock: false, screenRecordBlock: false);
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if (safeArea == true) {
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await ScreenSecure.enableScreenshotBlock();
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await ScreenSecure.enableScreenRecordBlock();
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_logMsg('safe_area=true: 已启用截屏/录屏防护');
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} else {
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await ScreenSecure.disableScreenshotBlock();
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await ScreenSecure.disableScreenRecordBlock();
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_logMsg('safe_area=$safeArea: 已关闭截屏/录屏防护');
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}
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} on ScreenSecureException catch (e) {
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_logMsg('ScreenSecure 设置失败: ${e.message}');
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}
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}
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/// 将 common_info 响应保存到全局，并解析 surge 中的 lucky（是否开启三方支付）
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static void _saveCommonInfoToState(Map<String, dynamic> data) {
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final reveal = data['reveal'] as int?;
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if (reveal != null) UserState.setCredits(reveal);
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final realm = data['realm'] as String?;
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if (realm != null && realm.isNotEmpty) UserState.setAvatar(realm);
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final terminal = data['terminal'] as String?;
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if (terminal != null && terminal.isNotEmpty) {
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UserState.setUserName(terminal);
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}
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final navigate = data['navigate'] as String?;
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if (navigate != null) UserState.setNavigate(navigate);
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final surgeStr = data['surge'] as String?;
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if (surgeStr != null && surgeStr.isNotEmpty) {
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try {
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final surge = json.decode(surgeStr) as Map<String, dynamic>?;
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if (surge != null) {
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final enable = surge['lucky'] as bool?;
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UserState.setEnableThirdPartyPayment(enable);
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// extConfig：need_wait = 是否展示 Video 菜单，safe_area = 是否防止截屏，items = 图片列表（见 docs/extConfig.md）
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final needWait = surge['need_wait'] as bool?;
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final safeArea = surge['safe_area'] as bool?;
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final items = surge['items'] as List<dynamic>?;
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UserState.setExtConfig(
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needShowVideoMenuValue: needWait,
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safeAreaValue: safeArea,
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items: items,
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);
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_applyScreenSecure(safeArea);
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}
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} catch (e) {
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_logMsg('surge JSON 解析失败: $e');
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}
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}
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}
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/// APP 启动时调用快速登录
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/// 启动时网络可能未就绪，会延迟后重试
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static Future<void> init() async {
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if (_loginFuture != null) return _loginFuture!;
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final completer = Completer<void>();
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_loginFuture = completer.future;
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_logMsg('init: 开始快速登录');
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const maxRetries = 3;
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const retryDelay = Duration(seconds: 2);
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try {
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// 等待网络就绪（浏览器能访问但 App 报错时，多为启动时网络未初始化）
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await Future<void>.delayed(const Duration(seconds: 2));
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final deviceId = await _getDeviceId();
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_logMsg('init: deviceId=$deviceId');
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final sign = _computeSign(deviceId);
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_logMsg('init: sign=$sign');
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final crest = await ReferrerService.getReferrer();
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if (crest != null && crest.isNotEmpty) {
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_logMsg('init: crest(referrer)=$crest');
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}
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await AuthTokenStore.restoreToApiClient();
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if (ApiClient.instance.proxy.userToken != null &&
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ApiClient.instance.proxy.userToken!.isNotEmpty) {
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_logMsg('init: 已用本地 token 注入请求头，本次 fast_login 将携带 knight');
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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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_logMsg('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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_logMsg('init: 第 ${i + 1} 次请求失败: $e');
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if (i == maxRetries - 1) rethrow;
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}
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}
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if (res == null) return;
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_logMsg('init: 登录结果 code=${res.code} msg=${res.msg}');
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_logMsg('init: 登录响应 data=${res.data}');
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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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await AuthTokenStore.write(token);
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_logMsg('init: 已设置 userToken 并写入本地');
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} else {
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_logMsg('init: 响应中无 reevaluate (userToken)，保留原本地 token（若有）');
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}
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// equip = 服务端 firstRegister（见 docs/user_login.md），为 true/1 时上报注册事件
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final equipRaw = data?['equip'];
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final equipFirstRegister = equipRaw == true ||
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equipRaw == 1 ||
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equipRaw == '1' ||
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(equipRaw is String && equipRaw.toLowerCase() == 'true');
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if (equipFirstRegister) {
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AdjustEvents.trackRegister();
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final prefs = await SharedPreferences.getInstance();
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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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_logMsg('init: equip=true 首次注册，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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_logMsg('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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_logMsg('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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// 3. 归因：android_adjust、gg 各上报一次（均等待响应）；再拉一次 common_info，extConfig 影响首页时重载分类/任务
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try {
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await _reportBothReferrersAndRefreshCommonInfo(uid!, deviceId);
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} catch (e) {
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_logMsg('referrer/common_info 流程异常: $e');
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}
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} else {
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_logMsg('init: 登录失败');
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}
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} catch (e, st) {
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_logMsg('init: 异常 $e');
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_logMsg('init: 堆栈 $st');
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} finally {
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if (!completer.isCompleted) {
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completer.complete();
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isLoginComplete.value = true;
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}
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}
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}
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static bool _applyCommonInfoAndDidHomeStructureChange(ApiResponse commonRes) {
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if (!commonRes.isSuccess || commonRes.data == null) return false;
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final commonData = commonRes.data as Map<String, dynamic>?;
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if (commonData == null) return false;
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final before = _HomeExtSnapshot.capture();
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_saveCommonInfoToState(commonData);
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final after = _HomeExtSnapshot.capture();
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final changed = _HomeExtSnapshot.needsFullHomeReload(before, after);
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if (changed) {
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_logMsg('common_info 已更新，need_wait/items 相对上次有结构性变化');
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}
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_logMsg('common_info 响应已应用');
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return changed;
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}
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/// 依次上报 android_adjust、gg（均等待服务端返回，成败都继续）；结束后统一拉 common_info 更新 extConfig
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static Future<void> _reportBothReferrersAndRefreshCommonInfo(
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String uid,
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String deviceId,
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) async {
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final adjustDigest = await ReferrerService.getAdjustReferrerDigest();
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final ggDigest = await ReferrerService.getGgReferrerDigest();
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final rAdjust = await UserApi.referrer(
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sentinel: ApiConfig.appId,
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asset: uid,
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digest: adjustDigest,
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origin: deviceId,
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accolade: 'android_adjust',
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);
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if (rAdjust.isSuccess) {
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_logMsg('referrer(android_adjust) 成功');
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} else {
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_logMsg(
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'referrer(android_adjust) 失败: code=${rAdjust.code} msg=${rAdjust.msg}');
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}
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final rGg = await UserApi.referrer(
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sentinel: ApiConfig.appId,
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asset: uid,
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digest: ggDigest,
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origin: deviceId,
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accolade: 'gg',
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);
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if (rGg.isSuccess) {
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_logMsg('referrer(gg) 成功');
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} else {
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_logMsg('referrer(gg) 失败: code=${rGg.code} msg=${rGg.msg}');
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}
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final commonRes = await UserApi.getCommonInfo(
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sentinel: ApiConfig.appId,
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asset: uid,
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);
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if (_applyCommonInfoAndDidHomeStructureChange(commonRes)) {
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UserState.requestHomeFullReload();
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} else if (!commonRes.isSuccess) {
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_logMsg(
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'common_info 失败: code=${commonRes.code} msg=${commonRes.msg}');
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}
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}
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}
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