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128 lines
3.8 KiB
128 lines
3.8 KiB
import 'dart:convert';
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import 'package:uuid/uuid.dart';
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import 'package:Envelope/models/conversation_users.dart';
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import 'package:intl/intl.dart';
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import 'package:http/http.dart' as http;
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import 'package:flutter_dotenv/flutter_dotenv.dart';
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import 'package:pointycastle/export.dart';
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import 'package:sqflite/sqflite.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '/utils/storage/session_cookie.dart';
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import '/utils/storage/encryption_keys.dart';
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import '/utils/storage/database.dart';
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import '/models/conversations.dart';
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import '/models/messages.dart';
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Future<void> updateMessageThread(Conversation conversation, {RSAPrivateKey? privKey}) async {
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privKey ??= await getPrivateKey();
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final preferences = await SharedPreferences.getInstance();
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String username = preferences.getString('username')!;
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ConversationUser currentUser = await getConversationUserByUsername(conversation, username);
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var resp = await http.get(
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Uri.parse('${dotenv.env["SERVER_URL"]}api/v1/auth/messages/${currentUser.associationKey}'),
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headers: {
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'cookie': await getSessionCookie(),
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}
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);
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if (resp.statusCode != 200) {
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throw Exception(resp.body);
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}
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List<dynamic> messageThreadJson = jsonDecode(resp.body);
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final db = await getDatabaseConnection();
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for (var i = 0; i < messageThreadJson.length; i++) {
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Message message = Message.fromJson(
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messageThreadJson[i] as Map<String, dynamic>,
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privKey,
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);
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ConversationUser messageUser = await getConversationUserById(conversation, message.senderId);
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message.senderUsername = messageUser.username;
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await db.insert(
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'messages',
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message.toMap(),
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conflictAlgorithm: ConflictAlgorithm.replace,
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);
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}
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}
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Future<void> updateMessageThreads({List<Conversation>? conversations}) async {
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try {
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RSAPrivateKey privKey = await getPrivateKey();
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conversations ??= await getConversations();
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for (var i = 0; i < conversations.length; i++) {
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await updateMessageThread(conversations[i], privKey: privKey);
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}
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} catch(SocketException) {
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return;
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}
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}
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Future<void> sendMessage(Conversation conversation, String data) async {
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final preferences = await SharedPreferences.getInstance();
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final userId = preferences.getString('userId');
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final username = preferences.getString('username');
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if (userId == null || username == null) {
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throw Exception('Invalid user id');
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}
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var uuid = const Uuid();
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final String messageDataId = uuid.v4();
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ConversationUser currentUser = await getConversationUserByUsername(conversation, username);
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Message message = Message(
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id: messageDataId,
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symmetricKey: '',
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userSymmetricKey: '',
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senderId: userId,
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senderUsername: username,
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data: data,
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associationKey: currentUser.associationKey,
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createdAt: DateTime.now().toIso8601String(),
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failedToSend: false,
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);
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final db = await getDatabaseConnection();
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await db.insert(
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'messages',
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message.toMap(),
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conflictAlgorithm: ConflictAlgorithm.replace,
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);
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String sessionCookie = await getSessionCookie();
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message.toJson(conversation, messageDataId)
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.then((messageJson) {
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return http.post(
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Uri.parse('${dotenv.env["SERVER_URL"]}api/v1/auth/message'),
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headers: <String, String>{
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'Content-Type': 'application/json; charset=UTF-8',
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'cookie': sessionCookie,
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},
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body: messageJson,
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);
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})
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.then((resp) {
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if (resp.statusCode != 200) {
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throw Exception('Unable to send message');
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}
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})
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.catchError((exception) {
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message.failedToSend = true;
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db.update(
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'messages',
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message.toMap(),
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where: 'id = ?',
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whereArgs: [message.id],
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);
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});
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}
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