Duke
1 year ago
17 changed files with 9 additions and 1185 deletions
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// Copyright 2019-2023 The Hush developers
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// Released under the GPLv3
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#include "websockets.h" |
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#include "controller.h" |
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#include "settings.h" |
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#include "ui_mobileappconnector.h" |
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#include "version.h" |
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// Weap the sendTextMessage to check if the connection is valid and that the parent WebServer didn't close this connection
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// for some reason.
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void ClientWebSocket::sendTextMessage(QString m) { |
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if (client) { |
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if (server && !server->isValidConnection(client)) { |
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return; |
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} |
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if (client->isValid()) |
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client->sendTextMessage(m); |
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} |
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} |
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WSServer::WSServer(quint16 port, bool debug, QObject *parent) : |
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QObject(parent), |
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m_pWebSocketServer(new QWebSocketServer(QStringLiteral("Direct Connection Server"), |
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QWebSocketServer::NonSecureMode, this)), |
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m_debug(debug) |
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{ |
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m_mainWindow = (MainWindow *) parent; |
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if (m_pWebSocketServer->listen(QHostAddress::AnyIPv4, port)) { |
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if (m_debug) |
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qDebug() << "Echoserver listening on port" << port; |
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connect(m_pWebSocketServer, &QWebSocketServer::newConnection, |
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this, &WSServer::onNewConnection); |
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connect(m_pWebSocketServer, &QWebSocketServer::closed, this, &WSServer::closed); |
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} |
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} |
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WSServer::~WSServer() |
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{ |
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qDebug() << "Closing websocket server"; |
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m_pWebSocketServer->close(); |
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qDeleteAll(m_clients.begin(), m_clients.end()); |
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qDebug() << "Deleted all websocket clients"; |
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} |
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void WSServer::onNewConnection() |
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{ |
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qDebug() << "Websocket server: new connection"; |
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QWebSocket *pSocket = m_pWebSocketServer->nextPendingConnection(); |
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connect(pSocket, &QWebSocket::textMessageReceived, this, &WSServer::processTextMessage); |
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connect(pSocket, &QWebSocket::binaryMessageReceived, this, &WSServer::processBinaryMessage); |
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connect(pSocket, &QWebSocket::disconnected, this, &WSServer::socketDisconnected); |
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m_clients << pSocket; |
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} |
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void WSServer::processTextMessage(QString message) |
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{ |
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QWebSocket *pClient = qobject_cast<QWebSocket *>(sender()); |
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if (m_debug) |
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qDebug() << "Message received:" << message; |
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if (pClient) { |
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std::shared_ptr<ClientWebSocket> client = std::make_shared<ClientWebSocket>(pClient, this); |
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AppDataServer::getInstance()->processMessage(message, m_mainWindow, client, AppConnectionType::DIRECT); |
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} |
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} |
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void WSServer::processBinaryMessage(QByteArray message) |
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{ |
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//QWebSocket *pClient = qobject_cast<QWebSocket *>(sender());
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if (m_debug) |
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qDebug() << "Binary Message received:" << message; |
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} |
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void WSServer::socketDisconnected() |
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{ |
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QWebSocket *pClient = qobject_cast<QWebSocket *>(sender()); |
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if (m_debug) |
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qDebug() << "socketDisconnected:" << pClient; |
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if (pClient) { |
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m_clients.removeAll(pClient); |
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pClient->deleteLater(); |
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} |
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} |
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//===============================
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// WormholeClient
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//===============================
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WormholeClient::WormholeClient(MainWindow* p, QString wormholeCode) { |
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this->parent = p; |
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this->code = wormholeCode; |
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connect(); |
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qDebug() << "New wormhole client after connect()"; |
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} |
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WormholeClient::~WormholeClient() { |
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qDebug() << "WormholeClient destructor"; |
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shuttingDown = true; |
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if (m_webSocket && m_webSocket->isValid()) { |
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qDebug() << "Wormhole closing!"; |
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m_webSocket->close(); |
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} |
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if (timer) { |
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qDebug() << "Wormhole timer stopping"; |
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timer->stop(); |
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} |
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delete timer; |
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qDebug() << "Wormhole timer deleted"; |
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} |
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void WormholeClient::connect() { |
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qDebug() << "Wormhole::connect"; |
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delete m_webSocket; |
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m_webSocket = new QWebSocket(); |
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if (m_webSocket) { |
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QObject::connect(m_webSocket, &QWebSocket::connected, this, &WormholeClient::onConnected); |
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QObject::connect(m_webSocket, &QWebSocket::disconnected, this, &WormholeClient::closed); |
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} else { |
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qDebug() << "Invalid websocket object!"; |
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} |
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m_webSocket->open(QUrl("wss://wormhole.hush.is:443")); |
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//m_webSocket->open(QUrl("ws://127.0.0.1:7070"));
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} |
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void WormholeClient::retryConnect() { |
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QTimer::singleShot(5 * 1000 * pow(2, retryCount), [=]() { |
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if (retryCount < 10) { |
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qDebug() << "Retrying websocket connection"; |
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this->retryCount++; |
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connect(); |
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} else { |
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qDebug() << "Retry count exceeded, will not attempt retry any more"; |
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} |
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}); |
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} |
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// Called when the websocket is closed. If this was closed without our explicitly closing it,
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// then we need to try and reconnect
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void WormholeClient::closed() { |
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if (!shuttingDown) { |
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retryConnect(); |
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} |
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} |
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void WormholeClient::onConnected() |
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{ |
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qDebug() << "WebSocket connected"; |
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retryCount = 0; |
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qDebug() << "WebSocket connected, retryCount=" << retryCount; |
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QObject::connect(m_webSocket, &QWebSocket::textMessageReceived, |
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this, &WormholeClient::onTextMessageReceived); |
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auto payload = QJsonDocument( QJsonObject { |
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{"register", code} |
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}).toJson(); |
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m_webSocket->sendTextMessage(payload); |
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// On connected, we'll also create a timer to ping it every 4 minutes, since the websocket
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// will timeout after 5 minutes
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if (m_webSocket && m_webSocket->isValid()) { |
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m_webSocket->sendTextMessage(payload); |
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qDebug() << "Sent registration message with code=" << code; |
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// On connected, we'll also create a timer to ping it every 4 minutes, since the websocket
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// will timeout after 5 minutes
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timer = new QTimer(parent); |
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qDebug() << "Created QTimer"; |
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QObject::connect(timer, &QTimer::timeout, [=]() { |
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qDebug() << "Timer timeout!"; |
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if (!shuttingDown && m_webSocket && m_webSocket->isValid()) { |
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auto payload = QJsonDocument(QJsonObject { {"ping", "ping"} }).toJson(); |
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qint64 bytes = m_webSocket->sendTextMessage(payload); |
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qDebug() << "Sent ping, " << bytes << " bytes"; |
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} |
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}); |
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unsigned int interval = 4*60*1000; |
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timer->start(interval); // 4 minutes
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qDebug() << "Started timer with interval=" << interval; |
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} else { |
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qDebug() << "Invalid websocket object onConnected!"; |
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} |
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} |
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void WormholeClient::onTextMessageReceived(QString message) |
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{ |
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AppDataServer::getInstance()->processMessage(message, parent, std::make_shared<ClientWebSocket>(m_webSocket), AppConnectionType::INTERNET); |
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qDebug() << "Destroyed tempWormholeClient and ui"; |
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} |
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// ==============================
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// AppDataServer
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// ==============================
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AppDataServer* AppDataServer::instance = nullptr; |
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QString AppDataServer::getWormholeCode(QString secretHex) { |
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unsigned char* secret = new unsigned char[crypto_secretbox_KEYBYTES]; |
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sodium_hex2bin(secret, crypto_secretbox_KEYBYTES, secretHex.toStdString().c_str(), crypto_secretbox_KEYBYTES*2, |
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NULL, NULL, NULL); |
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unsigned char* out1 = new unsigned char[crypto_hash_sha256_BYTES]; |
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crypto_hash_sha256(out1, secret, crypto_secretbox_KEYBYTES); |
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unsigned char* out2 = new unsigned char[crypto_hash_sha256_BYTES]; |
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crypto_hash_sha256(out2, out1, crypto_hash_sha256_BYTES); |
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char* wmcode = new char[crypto_hash_sha256_BYTES*2 + 1]; |
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sodium_bin2hex(wmcode, crypto_hash_sha256_BYTES*2 + 1, out2, crypto_hash_sha256_BYTES); |
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QString wmcodehex(wmcode); |
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delete[] wmcode; |
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delete[] out2; |
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delete[] out1; |
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delete[] secret; |
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return wmcodehex; |
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} |
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QString AppDataServer::getSecretHex() { |
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QSettings s; |
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return s.value("mobileapp/secret", "").toString(); |
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} |
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void AppDataServer::saveNewSecret(QString secretHex) { |
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QSettings().setValue("mobileapp/secret", secretHex); |
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if (secretHex.isEmpty()) |
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setAllowInternetConnection(false); |
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} |
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bool AppDataServer::getAllowInternetConnection() { |
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return QSettings().value("mobileapp/allowinternet", false).toBool(); |
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} |
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void AppDataServer::setAllowInternetConnection(bool allow) { |
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QSettings().setValue("mobileapp/allowinternet", allow); |
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} |
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void AppDataServer::saveLastConnectedOver(AppConnectionType type) { |
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QSettings().setValue("mobileapp/lastconnectedover", type); |
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} |
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AppConnectionType AppDataServer::getLastConnectionType() { |
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return (AppConnectionType) QSettings().value("mobileapp/lastconnectedover", AppConnectionType::DIRECT).toInt(); |
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} |
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void AppDataServer::saveLastSeenTime() { |
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QSettings().setValue("mobileapp/lastseentime", QDateTime::currentSecsSinceEpoch()); |
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} |
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QDateTime AppDataServer::getLastSeenTime() { |
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return QDateTime::fromSecsSinceEpoch(QSettings().value("mobileapp/lastseentime", 0).toLongLong()); |
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} |
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void AppDataServer::setConnectedName(QString name) { |
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QSettings().setValue("mobileapp/connectedname", name); |
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} |
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QString AppDataServer::getConnectedName() { |
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return QSettings().value("mobileapp/connectedname", "").toString(); |
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} |
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bool AppDataServer::isAppConnected() { |
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return !getConnectedName().isEmpty() && |
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getLastSeenTime().daysTo(QDateTime::currentDateTime()) < 14; |
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} |
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void AppDataServer::connectAppDialog(MainWindow* parent) { |
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QDialog d(parent); |
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ui = new Ui_MobileAppConnector(); |
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ui->setupUi(&d); |
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Settings::saveRestore(&d); |
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updateUIWithNewQRCode(parent); |
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updateConnectedUI(); |
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QObject::connect(ui->btnDisconnect, &QPushButton::clicked, [=] () { |
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QSettings().setValue("mobileapp/connectedname", ""); |
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saveNewSecret(""); |
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updateConnectedUI(); |
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}); |
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QObject::connect(ui->txtConnStr, &QLineEdit::cursorPositionChanged, [=](int, int) { |
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ui->txtConnStr->selectAll(); |
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}); |
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QObject::connect(ui->chkInternetConn, &QCheckBox::stateChanged, [=] (int state) { |
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if (state == Qt::Checked) { |
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} |
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updateUIWithNewQRCode(parent); |
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}); |
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// If we're not listening for the app, then start the websockets
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if (!parent->isWebsocketListening()) { |
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QString wormholecode = ""; |
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if (getAllowInternetConnection()) |
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wormholecode = AppDataServer::getInstance()->getWormholeCode(AppDataServer::getInstance()->getSecretHex()); |
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parent->createWebsocket(wormholecode); |
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} |
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d.exec(); |
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// If there is nothing connected when the dialog exits, then shutdown the websockets
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if (!isAppConnected()) { |
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parent->stopWebsocket(); |
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} |
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// Cleanup
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tempSecret = ""; |
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delete tempWormholeClient; |
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tempWormholeClient = nullptr; |
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delete ui; |
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ui = nullptr; |
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} |
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void AppDataServer::updateUIWithNewQRCode(MainWindow* mainwindow) { |
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// Get the address of the localhost
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auto addrList = QNetworkInterface::allAddresses(); |
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// Find a suitable address
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QString ipv4Addr; |
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for (auto addr : addrList) { |
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if (addr.isLoopback() || addr.protocol() == QAbstractSocket::IPv6Protocol) |
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continue; |
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ipv4Addr = addr.toString(); |
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break; |
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} |
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if (ipv4Addr.isEmpty()) |
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return; |
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QString uri = "ws://" + ipv4Addr + ":8777"; |
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qDebug() << "Websocket URI: " << uri; |
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// Get a new secret
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unsigned char* secretBin = new unsigned char[crypto_secretbox_KEYBYTES]; |
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randombytes_buf(secretBin, crypto_secretbox_KEYBYTES); |
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char* secretHex = new char[crypto_secretbox_KEYBYTES*2 + 1]; |
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sodium_bin2hex(secretHex, crypto_secretbox_KEYBYTES*2+1, secretBin, crypto_secretbox_KEYBYTES); |
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QString secretStr(secretHex); |
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QString codeStr = uri + "," + secretStr; |
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if (ui->chkInternetConn->isChecked()) { |
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codeStr = codeStr + ",1"; |
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} |
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registerNewTempSecret(secretStr, ui->chkInternetConn->isChecked(), mainwindow); |
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ui->qrcode->setQrcodeString(codeStr); |
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ui->txtConnStr->setText(codeStr); |
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qDebug() << "New QR="<<codeStr; |
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} |
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void AppDataServer::registerNewTempSecret(QString tmpSecretHex, bool allowInternet, MainWindow* main) { |
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qDebug() << "Registering new tempSecret, allowInternet=" << allowInternet; |
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tempSecret = tmpSecretHex; |
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delete tempWormholeClient; |
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tempWormholeClient = nullptr; |
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if (allowInternet) |
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tempWormholeClient = new WormholeClient(main, getWormholeCode(tempSecret)); |
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qDebug() << "Created new wormhole client"; |
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} |
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QString AppDataServer::connDesc(AppConnectionType t) { |
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if (t == AppConnectionType::DIRECT) { |
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return QObject::tr("Connected directly"); |
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} |
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else { |
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return QObject::tr("Connected over the internet via silentdragon wormhole service"); |
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} |
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} |
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void AppDataServer::updateConnectedUI() { |
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if (ui == nullptr) |
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return; |
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auto remoteName = getConnectedName(); |
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ui->lblRemoteName->setText(remoteName.isEmpty() ? "(Not connected to any device)" : remoteName); |
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ui->lblLastSeen->setText(remoteName.isEmpty() ? "" : getLastSeenTime().toString(Qt::SystemLocaleLongDate)); |
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ui->lblConnectionType->setText(remoteName.isEmpty() ? "" : connDesc(getLastConnectionType())); |
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ui->btnDisconnect->setEnabled(!remoteName.isEmpty()); |
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} |
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QString AppDataServer::getNonceHex(NonceType nt) { |
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QSettings s; |
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QString hex; |
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if (nt == NonceType::LOCAL) { |
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// The default local nonce starts from 1, to always keep it odd
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auto defaultLocalNonce = "01" + QString("00").repeated(crypto_secretbox_NONCEBYTES-1); |
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hex = s.value("mobileapp/localnoncehex", defaultLocalNonce).toString(); |
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} |
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else { |
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hex = s.value("mobileapp/remotenoncehex", QString("00").repeated(crypto_secretbox_NONCEBYTES)).toString(); |
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} |
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return hex; |
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} |
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void AppDataServer::saveNonceHex(NonceType nt, QString noncehex) { |
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QSettings s; |
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assert(noncehex.length() == crypto_secretbox_NONCEBYTES * 2); |
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if (nt == NonceType::LOCAL) { |
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s.setValue("mobileapp/localnoncehex", noncehex); |
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} |
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else { |
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s.setValue("mobileapp/remotenoncehex", noncehex); |
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} |
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s.sync(); |
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} |
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// Encrypt an outgoing message with the stored secret key.
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QString AppDataServer::encryptOutgoing(QString msg) { |
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int padding = 16*1024; |
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qDebug() << "Encrypt msg(pad="<<padding<<") prepad len=" << msg.length(); |
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if (msg.length() % padding > 0) { |
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msg = msg + QString(" ").repeated(padding - (msg.length() % padding)); |
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} |
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qDebug() << "Encrypt msg postpad len=" << msg.length(); |
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QString localNonceHex = getNonceHex(NonceType::LOCAL); |
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unsigned char* noncebin = new unsigned char[crypto_secretbox_NONCEBYTES]; |
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sodium_hex2bin(noncebin, crypto_secretbox_NONCEBYTES, localNonceHex.toStdString().c_str(), localNonceHex.length(), |
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NULL, NULL, NULL); |
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// Increment the nonce +2 and save
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sodium_increment(noncebin, crypto_secretbox_NONCEBYTES); |
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sodium_increment(noncebin, crypto_secretbox_NONCEBYTES); |
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char* newLocalNonce = new char[crypto_secretbox_NONCEBYTES*2 + 1]; |
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sodium_memzero(newLocalNonce, crypto_secretbox_NONCEBYTES*2 + 1); |
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sodium_bin2hex(newLocalNonce, crypto_secretbox_NONCEBYTES*2+1, noncebin, crypto_box_NONCEBYTES); |
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saveNonceHex(NonceType::LOCAL, QString(newLocalNonce)); |
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unsigned char* secret = new unsigned char[crypto_secretbox_KEYBYTES]; |
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sodium_hex2bin(secret, crypto_secretbox_KEYBYTES, getSecretHex().toStdString().c_str(), crypto_secretbox_KEYBYTES*2, |
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NULL, NULL, NULL); |
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int msgSize = strlen(msg.toStdString().c_str()); |
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unsigned char* encrpyted = new unsigned char[ msgSize + crypto_secretbox_MACBYTES]; |
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crypto_secretbox_easy(encrpyted, (const unsigned char *)msg.toStdString().c_str(), msgSize, noncebin, secret); |
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int encryptedHexSize = (msgSize + crypto_secretbox_MACBYTES) * 2 + 1; |
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char * encryptedHex = new char[encryptedHexSize]; |
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sodium_memzero(encryptedHex, encryptedHexSize); |
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sodium_bin2hex(encryptedHex, encryptedHexSize, encrpyted, msgSize + crypto_secretbox_MACBYTES); |
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auto json = QJsonDocument(QJsonObject{ |
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{"nonce", QString(newLocalNonce)}, |
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{"payload", QString(encryptedHex)}, |
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{"to", getWormholeCode(getSecretHex())} |
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}); |
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delete[] noncebin; |
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delete[] newLocalNonce; |
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delete[] secret; |
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delete[] encrpyted; |
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delete[] encryptedHex; |
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return json.toJson(); |
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} |
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/**
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Attempt to decrypt a message. If the decryption fails, it returns the string "error", the decrypted message otherwise. |
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It will use the given secret to attempt decryption. In addition, it will enforce that the nonce is greater than the last seen nonce, |
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unless the skipNonceCheck = true, which is used when attempting decrtption with a temp secret key. |
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*/ |
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QString AppDataServer::decryptMessage(QJsonDocument msg, QString secretHex, QString lastRemoteNonceHex) { |
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// Decrypt and then process
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QString noncehex = msg.object().value("nonce").toString(); |
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QString encryptedhex = msg.object().value("payload").toString(); |
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// Enforce limits on the size of the message
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if (noncehex.length() > ((int)crypto_secretbox_NONCEBYTES * 2) || |
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encryptedhex.length() > 2 * 50 * 1024 /*50kb*/) { |
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return "error"; |
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} |
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// Check to make sure that the nonce is greater than the last known remote nonce
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unsigned char* lastRemoteBin = new unsigned char[crypto_secretbox_NONCEBYTES]; |
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sodium_hex2bin(lastRemoteBin, crypto_secretbox_NONCEBYTES, lastRemoteNonceHex.toStdString().c_str(), lastRemoteNonceHex.length(), |
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NULL, NULL, NULL); |
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unsigned char* noncebin = new unsigned char[crypto_secretbox_NONCEBYTES]; |
|||
sodium_hex2bin(noncebin, crypto_secretbox_NONCEBYTES, noncehex.toStdString().c_str(), noncehex.length(), |
|||
NULL, NULL, NULL); |
|||
|
|||
assert(crypto_secretbox_KEYBYTES == crypto_hash_sha256_BYTES); |
|||
if (sodium_compare(lastRemoteBin, noncebin, crypto_secretbox_NONCEBYTES) != -1) { |
|||
// Refuse to accept a lower nonce, return an error
|
|||
delete[] lastRemoteBin; |
|||
delete[] noncebin; |
|||
return "error"; |
|||
} |
|||
|
|||
unsigned char* secret = new unsigned char[crypto_secretbox_KEYBYTES]; |
|||
sodium_hex2bin(secret, crypto_secretbox_KEYBYTES, secretHex.toStdString().c_str(), crypto_secretbox_KEYBYTES*2, |
|||
NULL, NULL, NULL); |
|||
|
|||
unsigned char* encrypted = new unsigned char[encryptedhex.length() / 2]; |
|||
sodium_hex2bin(encrypted, encryptedhex.length() / 2, encryptedhex.toStdString().c_str(), encryptedhex.length(), |
|||
NULL, NULL, NULL); |
|||
|
|||
int decryptedLen = encryptedhex.length() / 2 - crypto_secretbox_MACBYTES; |
|||
unsigned char* decrypted = new unsigned char[decryptedLen]; |
|||
int result = crypto_secretbox_open_easy(decrypted, encrypted, encryptedhex.length() / 2, noncebin, secret); |
|||
|
|||
QString payload; |
|||
if (result == -1) { |
|||
payload = "error"; |
|||
} else { |
|||
// Update the last seen remote hex
|
|||
saveNonceHex(NonceType::REMOTE, noncehex); |
|||
saveLastSeenTime(); |
|||
|
|||
char* decryptedStr = new char[decryptedLen + 1]; |
|||
sodium_memzero(decryptedStr, decryptedLen + 1); |
|||
memcpy(decryptedStr, decrypted, decryptedLen); |
|||
|
|||
payload = QString(decryptedStr); |
|||
|
|||
delete[] decryptedStr; |
|||
} |
|||
|
|||
delete[] secret; |
|||
delete[] lastRemoteBin; |
|||
delete[] noncebin; |
|||
delete[] encrypted; |
|||
delete[] decrypted; |
|||
|
|||
qDebug() << "Returning decrypted payload="<<payload; |
|||
return payload; |
|||
} |
|||
|
|||
// Process an incoming text message. The message has to be encrypted with the secret key (or the temporary secret key)
|
|||
void AppDataServer::processMessage(QString message, MainWindow* mainWindow, std::shared_ptr<ClientWebSocket> pClient, AppConnectionType connType) { |
|||
qDebug() << "processMessage message"; |
|||
//qDebug() << "processMessage message=" << message; // this can log sensitive info
|
|||
auto replyWithError = [=]() { |
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"error", "Encryption error"}, |
|||
{"to", getWormholeCode(getSecretHex())} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(r); |
|||
return; |
|||
}; |
|||
|
|||
// First, extract the command from the message
|
|||
auto msg = QJsonDocument::fromJson(message.toUtf8()); |
|||
|
|||
// Check if we got an error from the websocket
|
|||
if (msg.object().contains("error")) { |
|||
qDebug() << "Error:" << msg.toJson(); |
|||
return; |
|||
} |
|||
|
|||
// If the message is a ping, just ignore it
|
|||
if (msg.object().contains("ping")) { |
|||
return; |
|||
} |
|||
|
|||
// Then, check if the message is encrpted
|
|||
if (!msg.object().contains("nonce")) { |
|||
replyWithError(); |
|||
return; |
|||
} |
|||
|
|||
auto decrypted = decryptMessage(msg, getSecretHex(), getNonceHex(NonceType::REMOTE)); |
|||
|
|||
// If the decryption failed, maybe this is a new connection, so see if the dialog is open and a
|
|||
// temp secret is in place
|
|||
if (decrypted == "error") { |
|||
// If the dialog is open, then there might be a temporary, new secret key. Attempt to decrypt
|
|||
// with that.
|
|||
if (!tempSecret.isEmpty()) { |
|||
// Since this is a temp secret, the last seen nonce will be "0", so basically we'll accept any nonce
|
|||
QString zeroNonce = QString("00").repeated(crypto_secretbox_NONCEBYTES); |
|||
decrypted = decryptMessage(msg, tempSecret, zeroNonce); |
|||
if (decrypted == "error") { |
|||
// Oh, well. Just return an error
|
|||
replyWithError(); |
|||
return; |
|||
} |
|||
else { |
|||
// This is a new connection. So, update the the secret. Note the last seen remote nonce has already been updated by
|
|||
// decryptMessage()
|
|||
saveNewSecret(tempSecret); |
|||
setAllowInternetConnection(tempWormholeClient != nullptr); |
|||
|
|||
// Swap out the wormhole connection
|
|||
mainWindow->replaceWormholeClient(tempWormholeClient); |
|||
tempWormholeClient = nullptr; |
|||
|
|||
saveLastConnectedOver(connType); |
|||
processDecryptedMessage(decrypted, mainWindow, pClient); |
|||
|
|||
// If the Connection UI is showing, we have to update the UI as well
|
|||
if (ui != nullptr) { |
|||
// Update the connected phone information
|
|||
updateConnectedUI(); |
|||
|
|||
// Update with a new QR Code for safety, so this secret isn't used by anyone else
|
|||
updateUIWithNewQRCode(mainWindow); |
|||
} |
|||
|
|||
return; |
|||
} |
|||
} |
|||
else { |
|||
replyWithError(); |
|||
return; |
|||
} |
|||
} else { |
|||
saveLastConnectedOver(connType); |
|||
processDecryptedMessage(decrypted, mainWindow, pClient); |
|||
return; |
|||
} |
|||
} |
|||
|
|||
// Decrypted method will be executed here.
|
|||
void AppDataServer::processDecryptedMessage(QString message, MainWindow* mainWindow, std::shared_ptr<ClientWebSocket> pClient) { |
|||
//qDebug() << "processDecryptedMessage message=" << message;
|
|||
// First, extract the command from the message
|
|||
auto msg = QJsonDocument::fromJson(message.toUtf8()); |
|||
|
|||
if (!msg.object().contains("command")) { |
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"errorCode", -1}, |
|||
{"errorMessage", "Unknown JSON format"} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
return; |
|||
} |
|||
|
|||
if (msg.object()["command"] == "getInfo") { |
|||
processGetInfo(msg.object(), mainWindow, pClient); |
|||
} |
|||
else if (msg.object()["command"] == "getTransactions") { |
|||
processGetTransactions(mainWindow, pClient); |
|||
} |
|||
else if (msg.object()["command"] == "sendTx") { |
|||
processSendTx(msg.object()["tx"].toObject(), mainWindow, pClient); |
|||
} |
|||
else if (msg.object()["command"] == "sendmanyTx") { |
|||
processSendManyTx(msg.object()["tx"].toObject(), mainWindow, pClient); |
|||
} |
|||
else { |
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"errorCode", -1}, |
|||
{"errorMessage", "Command not found:" + msg.object()["command"].toString()} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
} |
|||
} |
|||
|
|||
// "sendTx" command. This method will actually send money, so be careful with everything
|
|||
void AppDataServer::processSendTx(QJsonObject sendTx, MainWindow* mainwindow, std::shared_ptr<ClientWebSocket> pClient) { |
|||
qDebug() << "processSendTx with to=" << sendTx["to"].toString(); |
|||
auto error = [=](QString reason) { |
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"errorCode", -1}, |
|||
{"errorMessage", "Couldn't send Tx:" + reason} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
return; |
|||
}; |
|||
|
|||
// Refuse to send if the node is still syncing
|
|||
if (Settings::getInstance()->isSyncing()) { |
|||
error(QObject::tr("Node is still syncing.")); |
|||
return; |
|||
} |
|||
|
|||
// Create a Tx Object
|
|||
Tx tx; |
|||
tx.fee = Settings::getMinerFee(); |
|||
|
|||
// Find a from address that has at least the sending amout
|
|||
CAmount amt = CAmount::fromDecimalString(sendTx["amount"].toString()); |
|||
auto allBalances = mainwindow->getRPC()->getModel()->getAllBalances(); |
|||
QList<QPair<QString, CAmount>> bals; |
|||
for (auto i : allBalances.keys()) { |
|||
// Filter out balances that don't have the requisite amount
|
|||
if (allBalances.value(i) < amt) |
|||
continue; |
|||
|
|||
bals.append(QPair<QString, CAmount>(i, allBalances.value(i))); |
|||
} |
|||
|
|||
if (bals.isEmpty()) { |
|||
error(QObject::tr("No sapling or transparent addresses with enough balance to spend.")); |
|||
return; |
|||
} |
|||
|
|||
std::sort(bals.begin(), bals.end(), [=](const QPair<QString, CAmount>a, const QPair<QString, CAmount> b) -> bool { |
|||
// Sort z addresses first
|
|||
return a.first > b.first; |
|||
}); |
|||
|
|||
tx.fromAddr = bals[0].first; |
|||
tx.toAddrs = { ToFields{ sendTx["to"].toString(), amt, sendTx["memo"].toString()} }; |
|||
|
|||
// TODO: Respect the autoshield change setting
|
|||
|
|||
QString validation = mainwindow->doSendTxValidations(tx); |
|||
if (!validation.isEmpty()) { |
|||
error(validation); |
|||
return; |
|||
} |
|||
|
|||
json params = json::array(); |
|||
mainwindow->getRPC()->fillTxJsonParams(params, tx); |
|||
std::cout << std::setw(2) << params << std::endl; |
|||
|
|||
// And send the Tx
|
|||
mainwindow->getRPC()->executeTransaction(tx, |
|||
[=] (QString txid) { |
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"version", 1.0}, |
|||
{"command", "sendTxSubmitted"}, |
|||
{"txid", txid} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
}, |
|||
// Errored while submitting Tx
|
|||
[=] (QString, QString errStr) { |
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"version", 1.0}, |
|||
{"command", "sendTxFailed"}, |
|||
{"err", errStr} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
} |
|||
); |
|||
|
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"version", 1.0}, |
|||
{"command", "sendTx"}, |
|||
{"result", "success"} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
} |
|||
|
|||
// "sendmanyTx" command. This method will actually send money, so be careful with everything
|
|||
void AppDataServer::processSendManyTx(QJsonObject sendmanyTx, MainWindow* mainwindow, std::shared_ptr<ClientWebSocket> pClient) { |
|||
qDebug() << "processSendManyTx with to=" << sendmanyTx["to"].toString(); |
|||
auto error = [=](QString reason) { |
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"errorCode", -1}, |
|||
{"errorMessage", "Couldn't send Tx:" + reason} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
return; |
|||
}; |
|||
|
|||
// Refuse to send if the node is still syncing
|
|||
if (Settings::getInstance()->isSyncing()) { |
|||
error(QObject::tr("Node is still syncing.")); |
|||
return; |
|||
} |
|||
|
|||
// Create a Tx Object
|
|||
Tx tx; |
|||
tx.fee = Settings::getMinerFee(); |
|||
|
|||
// Find a from address that has at least the sending amout
|
|||
CAmount amt = CAmount::fromDecimalString(sendmanyTx["amount"].toString()); |
|||
auto allBalances = mainwindow->getRPC()->getModel()->getAllBalances(); |
|||
QList<QPair<QString, CAmount>> bals; |
|||
for (auto i : allBalances.keys()) { |
|||
// Filter out balances that don't have the requisite amount
|
|||
if (allBalances.value(i) < amt) |
|||
continue; |
|||
|
|||
bals.append(QPair<QString, CAmount>(i, allBalances.value(i))); |
|||
} |
|||
|
|||
if (bals.isEmpty()) { |
|||
error(QObject::tr("No sapling or transparent addresses with enough balance to spend.")); |
|||
return; |
|||
} |
|||
|
|||
std::sort(bals.begin(), bals.end(), [=](const QPair<QString, CAmount>a, const QPair<QString, CAmount> b) -> bool { |
|||
// Sort z addresses first
|
|||
return a.first > b.first; |
|||
}); |
|||
|
|||
//send to more then one Receipent
|
|||
|
|||
int totalSendManyItems = sendmanyTx.size(); |
|||
for (int i=0; i < totalSendManyItems; i++) { |
|||
|
|||
amt = CAmount::fromDecimalString(sendmanyTx["amount"].toString() % QString::number(i+1)); |
|||
QString addr = sendmanyTx["to"].toString() % QString::number(i+1); |
|||
QString memo = sendmanyTx["memo"].toString() % QString::number(i+1); |
|||
|
|||
tx.fromAddr = bals[0].first; |
|||
tx.toAddrs = { ToFields{ addr, amt, memo} }; |
|||
} |
|||
// TODO: Respect the autoshield change setting
|
|||
|
|||
QString validation = mainwindow->doSendTxValidations(tx); |
|||
if (!validation.isEmpty()) { |
|||
error(validation); |
|||
return; |
|||
} |
|||
|
|||
json params = json::array(); |
|||
mainwindow->getRPC()->fillTxJsonParams(params, tx); |
|||
std::cout << std::setw(2) << params << std::endl; |
|||
|
|||
// And send the Tx
|
|||
mainwindow->getRPC()->executeTransaction(tx, |
|||
[=] (QString txid) { |
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"version", 1.0}, |
|||
{"command", "sendTxSubmitted"}, |
|||
{"txid", txid} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
}, |
|||
// Errored while submitting Tx
|
|||
[=] (QString, QString errStr) { |
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"version", 1.0}, |
|||
{"command", "sendTxFailed"}, |
|||
{"err", errStr} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
} |
|||
); |
|||
|
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"version", 1.0}, |
|||
{"command", "sendTx"}, |
|||
{"result", "success"} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
} |
|||
|
|||
|
|||
// "getInfo" command
|
|||
void AppDataServer::processGetInfo(QJsonObject jobj, MainWindow* mainWindow, std::shared_ptr<ClientWebSocket> pClient) { |
|||
auto connectedName = jobj["name"].toString(); |
|||
|
|||
if (mainWindow == nullptr || mainWindow->getRPC() == nullptr) { |
|||
pClient->close(QWebSocketProtocol::CloseCodeNormal, "Not yet ready"); |
|||
return; |
|||
} |
|||
|
|||
// Max spendable safely from a z address and from any address
|
|||
CAmount maxZSpendable; |
|||
CAmount maxSpendable; |
|||
for (auto a : mainWindow->getRPC()->getModel()->getAllBalances().keys()) { |
|||
if (Settings::getInstance()->isSaplingAddress(a)) { |
|||
if (mainWindow->getRPC()->getModel()->getAllBalances().value(a) > maxZSpendable) { |
|||
maxZSpendable = mainWindow->getRPC()->getModel()->getAllBalances().value(a); |
|||
} |
|||
} |
|||
if (mainWindow->getRPC()->getModel()->getAllBalances().value(a) > maxSpendable) { |
|||
maxSpendable = mainWindow->getRPC()->getModel()->getAllBalances().value(a); |
|||
} |
|||
} |
|||
|
|||
setConnectedName(connectedName); |
|||
|
|||
auto r = QJsonDocument(QJsonObject { |
|||
{"version", 1.0}, |
|||
{"command", "getInfo"}, |
|||
{"saplingAddress", mainWindow->getRPC()->getDefaultSaplingAddress()}, |
|||
{"tAddress", mainWindow->getRPC()->getDefaultTAddress()}, |
|||
{"balance", AppDataModel::getInstance()->getTotalBalance().toDecimalDouble()}, |
|||
{"maxspendable", maxSpendable.toDecimalDouble()}, |
|||
{"maxzspendable", maxZSpendable.toDecimalDouble()}, |
|||
{"tokenName", Settings::getTokenName()}, |
|||
// changing this to hushprice is a backward incompatible change that requires
|
|||
// changing SDL, litewalletd and SDA in unison, and would break older clients
|
|||
// so we just leave it for now
|
|||
{"zecprice", Settings::getInstance()->getHUSHPrice()}, |
|||
{"serverversion", QString(APP_VERSION)} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
} |
|||
|
|||
void AppDataServer::processGetTransactions(MainWindow* mainWindow, std::shared_ptr<ClientWebSocket> pClient) { |
|||
QJsonArray txns; |
|||
auto model = mainWindow->getRPC()->getTransactionsModel(); |
|||
qDebug() << "processGetTransactions"; |
|||
|
|||
|
|||
// Add transactions
|
|||
for (int i = 0; i < model->rowCount(QModelIndex()) && i < Settings::getMaxMobileAppTxns(); i++) { |
|||
txns.append(QJsonObject{ |
|||
{"type", model->getType(i)}, |
|||
{"datetime", model->getDate(i)}, |
|||
{"amount", model->getAmt(i)}, |
|||
{"txid", model->getTxId(i)}, |
|||
{"address", model->getAddr(i)}, |
|||
// {"memo", model->getMemo(i)},
|
|||
{"confirmations", model->getConfirmations(i)} |
|||
}); |
|||
} |
|||
|
|||
auto r = QJsonDocument(QJsonObject{ |
|||
{"version", 1.0}, |
|||
{"command", "getTransactions"}, |
|||
{"transactions", txns} |
|||
}).toJson(); |
|||
pClient->sendTextMessage(encryptOutgoing(r)); |
|||
} |
|||
|
|||
// ==============================
|
|||
// AppDataModel
|
|||
// ==============================
|
|||
AppDataModel* AppDataModel::instance = nullptr; |
|||
@ -1,179 +0,0 @@ |
|||
// Copyright 2019-2023 The Hush developers
|
|||
// Released under the GPLv3
|
|||
#ifndef WEBSOCKETS_H |
|||
#define WEBSOCKETS_H |
|||
|
|||
#include "precompiled.h" |
|||
#include "camount.h" |
|||
#include "mainwindow.h" |
|||
#include "ui_mobileappconnector.h" |
|||
|
|||
QT_FORWARD_DECLARE_CLASS(QWebSocketServer) |
|||
QT_FORWARD_DECLARE_CLASS(QWebSocket) |
|||
|
|||
class WSServer; |
|||
|
|||
// We're going to wrap the websocket in this class, because the underlying QWebSocket might get closed
|
|||
// or deleted while a callback is waiting to get the data back. Therefore, we write a custom "sendTextMessage"
|
|||
// class that checks all this before sending.
|
|||
class ClientWebSocket { |
|||
public: |
|||
ClientWebSocket(QWebSocket* c, WSServer* s = nullptr) { client = c; server = s; } |
|||
|
|||
void sendTextMessage(QString m); |
|||
void close(QWebSocketProtocol::CloseCode code, const QString& msg) { client->close(code, msg); } |
|||
private: |
|||
QWebSocket* client; |
|||
WSServer* server; |
|||
}; |
|||
|
|||
class WSServer : public QObject |
|||
{ |
|||
Q_OBJECT |
|||
public: |
|||
explicit WSServer(quint16 port, bool debug = false, QObject *parent = nullptr); |
|||
bool isValidConnection(QWebSocket* c) { return m_clients.contains(c); } |
|||
~WSServer(); |
|||
|
|||
Q_SIGNALS: |
|||
void closed(); |
|||
|
|||
private Q_SLOTS: |
|||
void onNewConnection(); |
|||
void processTextMessage(QString message); |
|||
void processBinaryMessage(QByteArray message); |
|||
void socketDisconnected(); |
|||
|
|||
private: |
|||
QWebSocketServer *m_pWebSocketServer; |
|||
MainWindow *m_mainWindow; |
|||
QList<QWebSocket *> m_clients; |
|||
bool m_debug; |
|||
}; |
|||
|
|||
class WormholeClient : public QObject { |
|||
Q_OBJECT |
|||
|
|||
private Q_SLOTS: |
|||
void onConnected(); |
|||
void onTextMessageReceived(QString message); |
|||
void closed(); |
|||
|
|||
public: |
|||
WormholeClient(MainWindow* parent, QString wormholeCode); |
|||
~WormholeClient(); |
|||
|
|||
void connect(); |
|||
void retryConnect(); |
|||
|
|||
private: |
|||
MainWindow* parent = nullptr; |
|||
QWebSocket* m_webSocket = nullptr; |
|||
|
|||
QTimer* timer = nullptr; |
|||
|
|||
QString code; |
|||
int retryCount = 0; |
|||
bool shuttingDown = false; |
|||
}; |
|||
|
|||
enum NonceType { |
|||
LOCAL = 1, |
|||
REMOTE |
|||
}; |
|||
|
|||
enum AppConnectionType { |
|||
DIRECT = 1, |
|||
INTERNET |
|||
}; |
|||
|
|||
class AppDataServer { |
|||
public: |
|||
static AppDataServer* getInstance() { |
|||
if (instance == nullptr) { |
|||
instance = new AppDataServer(); |
|||
} |
|||
return instance; |
|||
} |
|||
|
|||
void connectAppDialog(MainWindow* parent); |
|||
void updateConnectedUI(); |
|||
void updateUIWithNewQRCode(MainWindow* mainwindow); |
|||
|
|||
void processSendTx(QJsonObject sendTx, MainWindow* mainwindow, std::shared_ptr<ClientWebSocket> pClient); |
|||
void processSendManyTx(QJsonObject sendmanyTx, MainWindow* mainwindow, std::shared_ptr<ClientWebSocket> pClient); |
|||
void processMessage(QString message, MainWindow* mainWindow, std::shared_ptr<ClientWebSocket> pClient, AppConnectionType connType); |
|||
void processGetInfo(QJsonObject jobj, MainWindow* mainWindow, std::shared_ptr<ClientWebSocket> pClient); |
|||
void processDecryptedMessage(QString message, MainWindow* mainWindow, std::shared_ptr<ClientWebSocket> pClient); |
|||
void processGetTransactions(MainWindow* mainWindow, std::shared_ptr<ClientWebSocket> pClient); |
|||
|
|||
QString decryptMessage(QJsonDocument msg, QString secretHex, QString lastRemoteNonceHex); |
|||
QString encryptOutgoing(QString msg); |
|||
|
|||
QString getWormholeCode(QString secretHex); |
|||
QString getSecretHex(); |
|||
void saveNewSecret(QString secretHex); |
|||
|
|||
void registerNewTempSecret(QString tmpSecretHex, bool allowInternet, MainWindow* main); |
|||
|
|||
QString getNonceHex(NonceType nt); |
|||
void saveNonceHex(NonceType nt, QString noncehex); |
|||
|
|||
bool getAllowInternetConnection(); |
|||
void setAllowInternetConnection(bool allow); |
|||
|
|||
void saveLastSeenTime(); |
|||
QDateTime getLastSeenTime(); |
|||
|
|||
void setConnectedName(QString name); |
|||
QString getConnectedName(); |
|||
bool isAppConnected(); |
|||
|
|||
QString connDesc(AppConnectionType t); |
|||
|
|||
void saveLastConnectedOver(AppConnectionType type); |
|||
AppConnectionType getLastConnectionType(); |
|||
|
|||
private: |
|||
AppDataServer() = default; |
|||
|
|||
static AppDataServer* instance; |
|||
Ui_MobileAppConnector* ui; |
|||
|
|||
QString tempSecret; |
|||
WormholeClient* tempWormholeClient = nullptr; |
|||
}; |
|||
|
|||
class AppDataModel { |
|||
public: |
|||
static AppDataModel* getInstance() { |
|||
if (instance == NULL) |
|||
instance = new AppDataModel(); |
|||
|
|||
return instance; |
|||
} |
|||
|
|||
CAmount getTBalance() { return balTransparent; } |
|||
CAmount getZBalance() { return balShielded; } |
|||
CAmount getTotalBalance() { return balTotal; } |
|||
|
|||
void setBalances(CAmount transparent, CAmount shielded) { |
|||
balTransparent = transparent; |
|||
balShielded = shielded; |
|||
balTotal = balTransparent + balShielded; |
|||
} |
|||
|
|||
private: |
|||
AppDataModel() = default; // Private, for singleton
|
|||
|
|||
CAmount balTransparent; |
|||
CAmount balShielded; |
|||
CAmount balTotal; |
|||
|
|||
QString saplingAddress; |
|||
|
|||
static AppDataModel* instance; |
|||
}; |
|||
|
|||
|
|||
#endif // WEBSOCKETS_H
|
|||
Loading…
Reference in new issue