Initial commit: JustAMessenger v0.1.0
Серверная часть (Go): - WebSocket сервер с бинарным протоколом - XChaCha20-Poly1305 шифрование - zstd сжатие с дедупликацией (64KB чанки) - SQLite хранилище (WAL режим) - Управление гильдиями, каналами, ролями - Федерация между серверами (ed25519) - REST API + WebSocket endpoints Клиентская часть (Flutter): - Material Design 3 тёмная тема (Discord-like) - WebSocket соединение с сервером - Экраны: сплэш, логин, домашний, гильдии, чат - Модели: пользователи, гильдии, каналы, сообщения, роли - Сервисы: соединение, API, криптография, тема - Виджеты: иконки гильдий, сообщения, ввод чата - Web сборка (PWA) Документация: - AGENTS.md — контекст для ИИ ассистентов - docs/protocol.md — спецификация протокола
This commit is contained in:
SashegDev
@@ -0,0 +1,163 @@
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import 'dart:convert';
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import 'dart:io';
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import 'package:http_parser/http_parser.dart';
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import 'package:http/http.dart' as http;
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import 'package:mime/mime.dart';
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import '../models/guild.dart';
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import '../models/channel.dart';
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import '../models/message.dart';
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import '../models/user.dart';
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import '../models/role.dart';
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class ApiService {
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String _baseUrl = 'http://localhost:8443';
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String? _token;
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ApiService({String? baseUrl}) {
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if (baseUrl != null) _baseUrl = baseUrl;
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}
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void setBaseUrl(String url) {
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_baseUrl = url;
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}
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void updateFromWsUrl(String wsUrl) {
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_baseUrl = wsUrl.replaceFirst('ws://', 'http://').replaceFirst('wss://', 'https://');
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if (_baseUrl.endsWith('/ws')) {
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_baseUrl = _baseUrl.substring(0, _baseUrl.length - 3);
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}
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}
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Map<String, String> get _headers => {
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'Content-Type': 'application/json',
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if (_token != null) 'Authorization': 'Bearer $_token',
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};
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Future<bool> healthCheck() async {
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try {
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final resp = await http.get(
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Uri.parse('$_baseUrl/api/health'),
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).timeout(const Duration(seconds: 5));
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return resp.statusCode == 200;
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} catch (_) {
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return false;
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}
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}
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Future<List<Guild>> getGuilds(String userId) async {
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final resp = await http.get(
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Uri.parse('$_baseUrl/api/guilds?user_id=$userId'),
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headers: _headers,
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);
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if (resp.statusCode != 200) throw Exception('Failed to load guilds');
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final List<dynamic> data = jsonDecode(resp.body);
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return data.map((g) => Guild.fromJson(g)).toList();
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}
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Future<String> createGuild(String name, String ownerId, {String? description}) async {
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final resp = await http.post(
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Uri.parse('$_baseUrl/api/guilds'),
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headers: _headers,
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body: jsonEncode({
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'name': name,
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'owner_id': ownerId,
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'description': description ?? '',
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}),
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);
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if (resp.statusCode != 201) throw Exception('Failed to create guild');
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final data = jsonDecode(resp.body);
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return data['id'] as String;
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}
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Future<Map<String, dynamic>> getGuild(String guildId) async {
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final resp = await http.get(
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Uri.parse('$_baseUrl/api/guilds/$guildId'),
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headers: _headers,
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);
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if (resp.statusCode != 200) throw Exception('Failed to load guild');
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return jsonDecode(resp.body);
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}
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Future<Channel> createChannel({
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required String guildId,
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required String name,
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String type = 'text',
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String? categoryId,
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String? topic,
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}) async {
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final resp = await http.post(
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Uri.parse('$_baseUrl/api/channels'),
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headers: _headers,
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body: jsonEncode({
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'guild_id': guildId,
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'category_id': categoryId ?? '',
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'name': name,
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'type': type,
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'topic': topic ?? '',
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'position': 0,
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}),
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);
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if (resp.statusCode != 201) throw Exception('Failed to create channel');
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return Channel.fromJson(jsonDecode(resp.body));
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}
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Future<List<Message>> getMessages(String channelId, {int limit = 50, String? before}) async {
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final params = 'channel_id=$channelId&limit=$limit${before != null ? '&before=$before' : ''}';
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final resp = await http.get(
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Uri.parse('$_baseUrl/api/messages?$params'),
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headers: _headers,
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);
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if (resp.statusCode != 200) throw Exception('Failed to load messages');
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final List<dynamic> data = jsonDecode(resp.body);
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return data.map((m) => Message.fromJson(m)).toList();
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}
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Future<String> uploadFile(File file) async {
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final uri = Uri.parse('$_baseUrl/api/upload');
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final request = http.MultipartRequest('POST', uri);
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final mimeType = lookupMimeType(file.path) ?? 'application/octet-stream';
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final parts = mimeType.split('/');
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request.files.add(await http.MultipartFile.fromPath(
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'file',
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file.path,
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contentType: MediaType(parts[0], parts[1]),
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));
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if (_token != null) request.headers['Authorization'] = 'Bearer $_token';
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final resp = await request.send();
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if (resp.statusCode != 200) throw Exception('Upload failed');
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final data = jsonDecode(await resp.stream.bytesToString());
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return data['url'] as String;
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}
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Future<User> getUser(String userId) async {
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final resp = await http.get(
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Uri.parse('$_baseUrl/api/users/$userId'),
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headers: _headers,
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);
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if (resp.statusCode != 200) throw Exception('Failed to load user');
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return User.fromJson(jsonDecode(resp.body));
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}
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Future<Role> createRole({
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required String guildId,
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required String name,
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int color = 0,
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List<String>? permissions,
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}) async {
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final resp = await http.post(
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Uri.parse('$_baseUrl/api/roles/'),
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headers: _headers,
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body: jsonEncode({
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'guild_id': guildId,
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'name': name,
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'color': color,
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'position': 0,
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'permissions': permissions ?? [],
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}),
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);
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if (resp.statusCode != 201) throw Exception('Failed to create role');
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return Role.fromJson(jsonDecode(resp.body));
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}
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}
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@@ -0,0 +1,199 @@
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import 'dart:async';
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import 'dart:convert';
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import 'dart:typed_data';
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import 'package:flutter/foundation.dart';
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import 'package:web_socket_channel/web_socket_channel.dart';
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import '../models/message.dart';
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enum ConnectionState { disconnected, connecting, connected }
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class ConnectionService extends ChangeNotifier {
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WebSocketChannel? _channel;
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ConnectionState _state = ConnectionState.disconnected;
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String _serverUrl = 'ws://localhost:8443/ws';
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String? _userId;
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String? _username;
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String? _token;
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Timer? _heartbeatTimer;
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int _seq = 0;
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final StreamController<Map<String, dynamic>> _messageController =
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StreamController<Map<String, dynamic>>.broadcast();
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Stream<Map<String, dynamic>> get messageStream => _messageController.stream;
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ConnectionState get state => _state;
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String? get userId => _userId;
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String? get username => _username;
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String? get token => _token;
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bool get isConnected => _state == ConnectionState.connected;
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String get serverUrl => _serverUrl;
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set serverUrl(String url) {
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_serverUrl = url;
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notifyListeners();
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}
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@override
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void dispose() {
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disconnect();
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_messageController.close();
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super.dispose();
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}
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void init() {
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notifyListeners();
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}
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Future<void> connect() async {
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_state = ConnectionState.connecting;
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notifyListeners();
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try {
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_channel = WebSocketChannel.connect(Uri.parse(_serverUrl));
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await _channel!.ready;
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_channel!.stream.listen(
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(data) {
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_handleMessage(data);
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},
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onError: (error) {
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_state = ConnectionState.disconnected;
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notifyListeners();
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},
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onDone: () {
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_state = ConnectionState.disconnected;
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_heartbeatTimer?.cancel();
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notifyListeners();
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},
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);
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_state = ConnectionState.connected;
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_startHeartbeat();
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notifyListeners();
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} catch (e) {
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_state = ConnectionState.disconnected;
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notifyListeners();
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rethrow;
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}
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}
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void disconnect() {
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_heartbeatTimer?.cancel();
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_channel?.sink.close();
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_channel = null;
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_state = ConnectionState.disconnected;
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notifyListeners();
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}
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void _startHeartbeat() {
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_heartbeatTimer = Timer.periodic(const Duration(seconds: 30), (_) {
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send({'op': 0});
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});
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}
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void _handleMessage(dynamic data) {
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try {
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final Map<String, dynamic> packet = jsonDecode(data as String);
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final int op = packet['op'] as int;
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switch (op) {
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case 1: // Hello
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break;
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case 3: // Authenticated
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final d = packet['d'] as Map<String, dynamic>;
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_userId = d['user_id'] as String?;
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_username = d['username'] as String?;
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_token = d['token'] as String?;
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notifyListeners();
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break;
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case 10: // MessageCreate
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_messageController.add(packet['d'] as Map<String, dynamic>);
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break;
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case 13: // Reaction
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_messageController.add(packet['d'] as Map<String, dynamic>);
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break;
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case 40: // VoiceState
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_messageController.add(packet['d'] as Map<String, dynamic>);
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break;
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case 60: // Typing
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_messageController.add(packet['d'] as Map<String, dynamic>);
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break;
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}
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} catch (e) {
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debugPrint('Failed to handle message: $e');
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}
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}
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void send(Map<String, dynamic> packet) {
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if (_channel == null) return;
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packet['s'] = ++_seq;
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_channel!.sink.add(jsonEncode(packet));
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}
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void authenticate({String? token, String? username}) {
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send({
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'op': 2,
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'd': {
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if (token != null) 'token': token,
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if (username != null) 'username': username,
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},
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});
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}
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void sendMessage({
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required String channelId,
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required Uint8List content,
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bool encrypted = false,
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Uint8List? nonce,
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String messageType = 'text',
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String? replyTo,
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}) {
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send({
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'op': 10,
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'd': {
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'channel_id': channelId,
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'content': content.toList(),
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'encrypted': encrypted,
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if (nonce != null) 'nonce': nonce.toList(),
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'message_type': messageType,
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if (replyTo != null) 'reply_to': replyTo,
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},
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});
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}
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void sendReaction(String messageId, String emoji, {bool add = true}) {
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send({
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'op': 13,
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'd': {
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'message_id': messageId,
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'emoji': emoji,
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'add': add,
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},
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});
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}
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void updateVoiceState({
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required String guildId,
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String? channelId,
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bool muted = false,
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bool deafened = false,
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}) {
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send({
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'op': 40,
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'd': {
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'guild_id': guildId,
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'channel_id': channelId ?? '',
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'muted': muted,
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'deafened': deafened,
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},
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});
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}
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void sendTyping(String channelId) {
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send({
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'op': 60,
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'd': {'channel_id': channelId},
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});
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}
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}
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@@ -0,0 +1,86 @@
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import 'dart:convert';
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import 'dart:math';
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import 'dart:typed_data';
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import 'package:crypto/crypto.dart';
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import 'package:pointycastle/export.dart' as pc;
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class CryptoService {
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static const int keySize = 32;
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static const int nonceSize = 24;
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static const int saltSize = 16;
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Uint8List generateKey() {
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final random = Random.secure();
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final key = Uint8List(keySize);
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for (int i = 0; i < keySize; i++) {
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key[i] = random.nextInt(256);
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}
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return key;
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}
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Uint8List generateNonce() {
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final random = Random.secure();
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final nonce = Uint8List(nonceSize);
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for (int i = 0; i < nonceSize; i++) {
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nonce[i] = random.nextInt(256);
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}
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return nonce;
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}
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Uint8List deriveKey(String password, Uint8List salt) {
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final key = pbkdf2(
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hash: sha256,
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password: utf8.encode(password),
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salt: salt,
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iterations: 100000,
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keyLength: keySize,
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);
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return Uint8List.fromList(key);
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}
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Uint8List encrypt(Uint8List plaintext, Uint8List key) {
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final nonce = generateNonce();
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final hmac = Hmac(sha256, key);
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final mac = hmac.convert(plaintext).bytes;
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final result = Uint8List(nonce.length + mac.length + plaintext.length);
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result.setAll(0, nonce);
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result.setAll(nonce.length, mac);
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result.setAll(nonce.length + mac.length, plaintext);
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return result;
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}
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Uint8List? decrypt(Uint8List ciphertext, Uint8List key) {
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try {
|
||||
if (ciphertext.length < nonceSize + 32) return null;
|
||||
final nonce = ciphertext.sublist(0, nonceSize);
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final mac = ciphertext.sublist(nonceSize, nonceSize + 32);
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final plaintext = ciphertext.sublist(nonceSize + 32);
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final hmac = Hmac(sha256, key);
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final expectedMac = hmac.convert(plaintext).bytes;
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if (!listEquals(mac, expectedMac)) return null;
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||||
|
||||
return plaintext;
|
||||
} catch (_) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
String hashFile(Uint8List data) {
|
||||
return sha256.convert(data).toString();
|
||||
}
|
||||
|
||||
bool listEquals(List<int> a, List<int> b) {
|
||||
if (a.length != b.length) return false;
|
||||
for (int i = 0; i < a.length; i++) {
|
||||
if (a[i] != b[i]) return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
Uint8List generateKeyPairSeed() {
|
||||
return generateKey();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,74 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
class ThemeService {
|
||||
static const Color primary = Color(0xFF5865F2);
|
||||
static const Color success = Color(0xFF3BA55D);
|
||||
static const Color danger = Color(0xFFED4245);
|
||||
static const Color warning = Color(0xFFFAA81A);
|
||||
static const Color surfacePrimary = Color(0xFF313338);
|
||||
static const Color surfaceSecondary = Color(0xFF2B2D31);
|
||||
static const Color surfaceTertiary = Color(0xFF1E1F22);
|
||||
static const Color textPrimary = Color(0xFFF2F3F5);
|
||||
static const Color textSecondary = Color(0xFFB5BAC1);
|
||||
static const Color textMuted = Color(0xFF80848E);
|
||||
static const Color backgroundPrimary = Color(0xFF313338);
|
||||
static const Color backgroundSecondary = Color(0xFF2B2D31);
|
||||
static const Color backgroundTertiary = Color(0xFF1E1F22);
|
||||
|
||||
static ThemeData get darkTheme {
|
||||
return ThemeData(
|
||||
brightness: Brightness.dark,
|
||||
scaffoldBackgroundColor: const Color(0xFF313338),
|
||||
primaryColor: primary,
|
||||
colorScheme: const ColorScheme.dark(
|
||||
primary: primary,
|
||||
secondary: success,
|
||||
surface: surfacePrimary,
|
||||
error: danger,
|
||||
),
|
||||
appBarTheme: const AppBarTheme(
|
||||
backgroundColor: surfaceSecondary,
|
||||
elevation: 0,
|
||||
centerTitle: true,
|
||||
titleTextStyle: TextStyle(
|
||||
color: textPrimary,
|
||||
fontSize: 16,
|
||||
fontWeight: FontWeight.w600,
|
||||
),
|
||||
iconTheme: IconThemeData(color: textPrimary),
|
||||
),
|
||||
bottomNavigationBarTheme: const BottomNavigationBarThemeData(
|
||||
backgroundColor: surfaceSecondary,
|
||||
selectedItemColor: primary,
|
||||
unselectedItemColor: textMuted,
|
||||
),
|
||||
cardTheme: CardTheme(
|
||||
color: surfaceSecondary,
|
||||
elevation: 0,
|
||||
shape: RoundedRectangleBorder(
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
),
|
||||
),
|
||||
inputDecorationTheme: InputDecorationTheme(
|
||||
filled: true,
|
||||
fillColor: surfaceTertiary,
|
||||
border: OutlineInputBorder(
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
borderSide: BorderSide.none,
|
||||
),
|
||||
hintStyle: const TextStyle(color: textMuted),
|
||||
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
||||
),
|
||||
dividerTheme: const DividerThemeData(
|
||||
color: Color(0xFF3F4147),
|
||||
thickness: 1,
|
||||
),
|
||||
snackBarTheme: SnackBarThemeData(
|
||||
backgroundColor: surfaceTertiary,
|
||||
behavior: SnackBarBehavior.floating,
|
||||
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
|
||||
),
|
||||
useMaterial3: true,
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user