Initial Commit
This commit is contained in:
ivan2282
437
lib/token_auth_screen.dart
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437
lib/token_auth_screen.dart
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import 'dart:convert';
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import 'dart:io';
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import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:mobile_scanner/mobile_scanner.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:gwid/api_service.dart';
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import 'package:gwid/home_screen.dart';
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import 'package:gwid/proxy_service.dart';
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import 'package:gwid/proxy_settings.dart';
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import 'package:gwid/screens/settings/qr_scanner_screen.dart';
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import 'package:gwid/screens/settings/session_spoofing_screen.dart';
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import 'package:encrypt/encrypt.dart' as encrypt;
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import 'package:crypto/crypto.dart' as crypto;
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class TokenAuthScreen extends StatefulWidget {
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const TokenAuthScreen({super.key});
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@override
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State<TokenAuthScreen> createState() => _TokenAuthScreenState();
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}
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class _TokenAuthScreenState extends State<TokenAuthScreen> {
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final TextEditingController _tokenController = TextEditingController();
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bool _isLoading = false;
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@override
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void dispose() {
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_tokenController.dispose();
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super.dispose();
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}
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Future<void> _processLogin({
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required String token,
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Map<String, dynamic>? spoofData,
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ProxySettings? proxySettings,
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}) async {
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if (!mounted) return;
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setState(() => _isLoading = true);
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final messenger = ScaffoldMessenger.of(context);
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try {
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if (spoofData != null && spoofData.isNotEmpty) {
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messenger.showSnackBar(
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const SnackBar(
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content: Text('Настройки анонимности из файла применены!'),
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),
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);
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}
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if (proxySettings != null) {
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await ProxyService.instance.saveProxySettings(proxySettings);
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messenger.showSnackBar(
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const SnackBar(
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content: Text('Настройки прокси из файла применены!'),
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backgroundColor: Colors.blue,
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),
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);
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}
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await ApiService.instance.saveToken(token);
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if (mounted) {
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Navigator.of(context).pushAndRemoveUntil(
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MaterialPageRoute(builder: (context) => const HomeScreen()),
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(Route<dynamic> route) => false,
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);
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}
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} catch (e) {
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messenger.showSnackBar(
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SnackBar(
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content: Text('Ошибка входа: ${e.toString()}'),
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backgroundColor: Colors.red,
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),
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);
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} finally {
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if (mounted) setState(() => _isLoading = false);
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}
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}
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void _loginWithToken() {
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final token = _tokenController.text.trim();
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if (token.isEmpty) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text('Введите токен для входа')));
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return;
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}
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_processLogin(token: token);
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}
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Future<void> _loadSessionFile() async {
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FilePickerResult? result = await FilePicker.platform.pickFiles(
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type: FileType.custom,
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allowedExtensions: ['json'],
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);
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if (result == null || result.files.single.path == null) return;
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final filePath = result.files.single.path!;
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setState(() => _isLoading = true);
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try {
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final fileContent = await File(filePath).readAsString();
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Map<String, dynamic> jsonData = json.decode(fileContent);
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String finalJsonPayload;
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if (jsonData['encrypted'] == true) {
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final password = await _showPasswordDialog();
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if (password == null || password.isEmpty) {
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setState(() => _isLoading = false);
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return;
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}
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final iv = encrypt.IV.fromBase64(jsonData['iv_base64']);
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final encryptedData = encrypt.Encrypted.fromBase64(
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jsonData['data_base64'],
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);
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final keyBytes = utf8.encode(password);
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final keyHash = crypto.sha256.convert(keyBytes);
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final key = encrypt.Key(Uint8List.fromList(keyHash.bytes));
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final encrypter = encrypt.Encrypter(
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encrypt.AES(key, mode: encrypt.AESMode.cbc),
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);
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finalJsonPayload = encrypter.decrypt(encryptedData, iv: iv);
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} else {
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finalJsonPayload = fileContent;
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}
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final Map<String, dynamic> sessionData = json.decode(finalJsonPayload);
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final String? token = sessionData['token'];
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if (token == null || token.isEmpty)
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throw Exception('Файл сессии не содержит токена.');
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await _processLogin(
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token: token,
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spoofData: sessionData['spoof_data'] is Map<String, dynamic>
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? sessionData['spoof_data']
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: null,
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proxySettings: sessionData['proxy_settings'] is Map<String, dynamic>
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? ProxySettings.fromJson(sessionData['proxy_settings'])
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: null,
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);
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} catch (e) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Ошибка: $e'), backgroundColor: Colors.red),
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);
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setState(() => _isLoading = false);
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}
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}
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Future<void> _processQrData(String qrData) async {
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if (!mounted) return;
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setState(() => _isLoading = true);
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final messenger = ScaffoldMessenger.of(context);
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try {
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final decoded = jsonDecode(qrData) as Map<String, dynamic>;
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if (decoded['type'] != 'komet_auth_v1' ||
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decoded['token'] == null ||
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decoded['timestamp'] == null) {
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throw Exception("Неверный формат QR-кода.");
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}
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final int qrTimestamp = decoded['timestamp'];
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final String token = decoded['token'];
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final int now = DateTime.now().millisecondsSinceEpoch;
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const int oneMinuteInMillis = 60 * 1000; // 60 секунд
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if ((now - qrTimestamp) > oneMinuteInMillis) {
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throw Exception("QR-код устарел. Пожалуйста, сгенерируйте новый.");
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}
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await _processLogin(token: token);
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} catch (e) {
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messenger.showSnackBar(
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SnackBar(
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content: Text('Ошибка: ${e.toString()}'),
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backgroundColor: Colors.red,
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),
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);
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} finally {
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if (mounted) setState(() => _isLoading = false);
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}
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}
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void _showQrSourceSelection() {
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showModalBottomSheet(
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context: context,
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builder: (context) => SafeArea(
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child: Wrap(
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children: <Widget>[
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ListTile(
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leading: const Icon(Icons.camera_alt_outlined),
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title: const Text('Камера'),
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onTap: () {
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Navigator.of(context).pop();
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_scanWithCamera();
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},
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),
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ListTile(
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leading: const Icon(Icons.photo_library_outlined),
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title: const Text('Галерея'),
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onTap: () {
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Navigator.of(context).pop();
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_scanFromGallery();
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},
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),
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],
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),
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),
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);
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}
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Future<void> _scanWithCamera() async {
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final result = await Navigator.of(context).push<String>(
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MaterialPageRoute(builder: (context) => const QrScannerScreen()),
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);
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if (result != null) await _processQrData(result);
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}
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Future<void> _scanFromGallery() async {
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final image = await ImagePicker().pickImage(source: ImageSource.gallery);
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if (image == null) return;
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final controller = MobileScannerController();
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final result = await controller.analyzeImage(image.path);
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await controller.dispose();
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if (result != null &&
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result.barcodes.isNotEmpty &&
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result.barcodes.first.rawValue != null) {
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await _processQrData(result.barcodes.first.rawValue!);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('QR-код на изображении не найден.'),
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backgroundColor: Colors.orange,
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),
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);
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}
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}
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Future<String?> _showPasswordDialog() {
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final passwordController = TextEditingController();
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bool isPasswordVisible = false;
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return showDialog<String>(
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context: context,
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barrierDismissible: false,
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builder: (context) => StatefulBuilder(
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builder: (context, setStateDialog) => AlertDialog(
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title: const Text('Введите пароль'),
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content: TextField(
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controller: passwordController,
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obscureText: !isPasswordVisible,
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autofocus: true,
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decoration: InputDecoration(
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labelText: 'Пароль от файла сессии',
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prefixIcon: const Icon(Icons.lock_outline),
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suffixIcon: IconButton(
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icon: Icon(
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isPasswordVisible ? Icons.visibility_off : Icons.visibility,
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),
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onPressed: () => setStateDialog(
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() => isPasswordVisible = !isPasswordVisible,
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),
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),
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),
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(null),
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child: const Text('Отмена'),
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),
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FilledButton(
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onPressed: () =>
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Navigator.of(context).pop(passwordController.text),
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child: const Text('OK'),
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),
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],
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),
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: const Text('Другие способы входа')),
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body: Stack(
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children: [
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ListView(
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padding: const EdgeInsets.all(16),
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children: [
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_AuthCard(
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icon: Icons.qr_code_scanner_rounded,
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title: 'Вход по QR-коду',
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subtitle:
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'Отсканируйте QR-код с другого устройства, чтобы быстро войти.',
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buttonLabel: 'Сканировать QR-код',
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onPressed: _showQrSourceSelection,
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),
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const SizedBox(height: 20),
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_AuthCard(
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icon: Icons.file_open_outlined,
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title: 'Вход по файлу сессии',
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subtitle:
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'Загрузите ранее экспортированный .json файл для восстановления сессии.',
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buttonLabel: 'Загрузить файл',
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onPressed: _loadSessionFile,
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isOutlined: true,
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),
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const SizedBox(height: 20),
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_AuthCard(
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icon: Icons.vpn_key_outlined,
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title: 'Вход по токену',
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subtitle: 'Введите токен авторизации (AUTH_TOKEN) вручную.',
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buttonLabel: 'Войти с токеном',
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onPressed: _loginWithToken,
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isOutlined: true,
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child: Padding(
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padding: const EdgeInsets.only(bottom: 16.0),
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child: TextField(
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controller: _tokenController,
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decoration: const InputDecoration(
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labelText: 'Токен',
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border: OutlineInputBorder(),
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),
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),
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),
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),
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],
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),
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if (_isLoading)
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Container(
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color: Colors.black.withOpacity(0.5),
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child: const Center(child: CircularProgressIndicator()),
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),
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],
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),
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);
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}
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}
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class _AuthCard extends StatelessWidget {
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final IconData icon;
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final String title;
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final String subtitle;
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final String buttonLabel;
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final VoidCallback onPressed;
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final bool isOutlined;
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final Widget? child;
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const _AuthCard({
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required this.icon,
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required this.title,
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required this.subtitle,
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required this.buttonLabel,
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required this.onPressed,
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this.isOutlined = false,
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this.child,
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});
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@override
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Widget build(BuildContext context) {
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final textTheme = Theme.of(context).textTheme;
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return Card(
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elevation: isOutlined ? 0 : 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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side: isOutlined
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? BorderSide(
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color: Theme.of(context).colorScheme.outline.withOpacity(0.5),
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)
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: BorderSide.none,
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),
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child: Padding(
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padding: const EdgeInsets.all(20.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Row(
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children: [
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Icon(
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icon,
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size: 28,
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color: Theme.of(context).colorScheme.primary,
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),
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const SizedBox(width: 12),
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Text(
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title,
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style: textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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],
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),
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const SizedBox(height: 8),
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Text(
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subtitle,
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style: textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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if (child != null) ...[const SizedBox(height: 20), child!],
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const SizedBox(height: 20),
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isOutlined
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? OutlinedButton(onPressed: onPressed, child: Text(buttonLabel))
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: FilledButton(onPressed: onPressed, child: Text(buttonLabel)),
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],
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),
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),
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);
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}
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}
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Reference in New Issue
Block a user