102 lines
3.1 KiB
Dart
102 lines
3.1 KiB
Dart
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import 'dart:convert';
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import 'package:encrypt/encrypt.dart' as encrypt;
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import 'package:pointycastle/asymmetric/api.dart' show RSAPublicKey;
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import 'package:qhd_prevention/tools/tools.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import '../http/ApiService.dart';
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class AuthService {
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static const _keyUser = 'USER';
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static const _keyRemember = 'remember';
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static const _keyIsLoggedIn = 'isLoggedIn';
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/// 登录
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static Future<bool> login(String username, String password) async {
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final parser = encrypt.RSAKeyParser();
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final pub = parser.parse(ApiService.publicKey) as RSAPublicKey;
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final encrypter = encrypt.Encrypter(encrypt.RSA(publicKey: pub));
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final plain = 'zcloudchina$username,zy,$password';
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String encrypted;
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try {
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encrypted = encrypter.encrypt(plain).base64;
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} catch (e) {
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Fluttertoast.showToast(msg: '加密失败：$e');
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return false;
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}
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final data = await ApiService.loginCheck(encrypted);
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final result = data['result'] as String? ?? '';
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if (result != 'success') {
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return false;
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}
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final prefs = await SharedPreferences.getInstance();
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await prefs.setString(_keyUser, json.encode(data));
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await prefs.setStringList(_keyRemember, [username, password]);
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await prefs.setBool(_keyIsLoggedIn, true);
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SessionService.instance
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..setLoginUserId(data['USER_ID'] as String)
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..setCorpinfoId(data['CORPINFO_ID'] as String)
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..setDeptId(data['DEPARTMENT_ID'] as String)
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..setDeptLevel(data['DEPARTMENT_LEVEL'] as String)
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..setIsRest(data['ISREST'] as String)
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..setUsername(data['NAME'] as String)
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..setLoginUser(data);
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return true;
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}
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/// 检查更新
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static Future<Map<String, dynamic>> checkUpdate() async {
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final data = await ApiService.getUpdateInfo();
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final result = data['result'] as String? ?? '';
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if (result == 'success') {
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return data;
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}
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return {};
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}
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/// 验证是否已登录（通过重新登录）
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static Future<bool> isLoggedIn() async {
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final prefs = await SharedPreferences.getInstance();
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final isLocalLoggedIn = prefs.getBool(_keyIsLoggedIn) ?? false;
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if (!isLocalLoggedIn) return false;
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final remember = prefs.getStringList(_keyRemember);
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if (remember == null || remember.length < 2) return false;
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final username = remember[0];
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final password = remember[1];
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// 用存储的账号密码重新登录
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final success = await login(username, password);
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if (!success) {
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await logout();
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return false;
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}
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return true;
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}
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/// 获取已保存的用户信息
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static Future<Map<String, dynamic>?> getUser() async {
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final prefs = await SharedPreferences.getInstance();
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final jsonStr = prefs.getString(_keyUser);
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if (jsonStr == null) return null;
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return json.decode(jsonStr);
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}
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/// 登出
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static Future<void> logout() async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.remove(_keyUser);
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await prefs.remove(_keyRemember);
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await prefs.setBool(_keyIsLoggedIn, false);
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}
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}
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