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96 lines
2.9 KiB
96 lines
2.9 KiB
// SPDX-License-Identifier: BSD-3-Clause
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// Copyright (c) 2020-2021, The Monero Project.
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#include <QObject>
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#include <QNetworkAccessManager>
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#include <QScreen>
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#include <QDesktopWidget>
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#include "wsclient.h"
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#include "appcontext.h"
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WSClient::WSClient(AppContext *ctx, const QString &url, QObject *parent) :
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QObject(parent),
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m_ctx(ctx) {
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connect(&this->webSocket, &QWebSocket::binaryMessageReceived, this, &WSClient::onbinaryMessageReceived);
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connect(&this->webSocket, &QWebSocket::connected, this, &WSClient::onConnected);
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connect(&this->webSocket, &QWebSocket::disconnected, this, &WSClient::closed);
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connect(&this->webSocket, QOverload<QAbstractSocket::SocketError>::of(&QWebSocket::error), this, &WSClient::onError);
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m_tor = url.contains(".onion");
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this->url = QString("ws://%1/ws").arg(url);
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// Keep websocket connection alive
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connect(&m_pingTimer, &QTimer::timeout, [this]{
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if (this->webSocket.state() == QAbstractSocket::ConnectedState)
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this->webSocket.ping();
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});
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m_pingTimer.setInterval(30 * 1000);
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m_pingTimer.start();
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}
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void WSClient::sendMsg(const QByteArray &data) {
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auto state = this->webSocket.state();
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if(state == QAbstractSocket::ConnectedState)
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this->webSocket.sendBinaryMessage(data);
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}
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void WSClient::start() {
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// connect & reconnect on errors/close
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#ifdef QT_DEBUG
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qDebug() << "WebSocket connect:" << url.url();
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#endif
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if((m_tor && this->m_ctx->tor->torConnected) || !m_tor)
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this->webSocket.open(QUrl(this->url));
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if(!this->m_connectionTimer.isActive()) {
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connect(&this->m_connectionTimer, &QTimer::timeout, this, &WSClient::checkConnection);
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this->m_connectionTimer.start(2000);
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}
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}
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void WSClient::checkConnection() {
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if(m_tor && !this->m_ctx->tor->torConnected)
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return;
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auto state = this->webSocket.state();
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if(state == QAbstractSocket::UnconnectedState) {
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#ifdef QT_DEBUG
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qDebug() << "WebSocket reconnect";
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#endif
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this->start();
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}
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}
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void WSClient::onConnected() {
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#ifdef QT_DEBUG
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qDebug() << "WebSocket connected";
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#endif
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emit connectionEstablished();
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}
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void WSClient::onError(QAbstractSocket::SocketError error) {
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qCritical() << "WebSocket error: " << error;
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auto state = this->webSocket.state();
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if(state == QAbstractSocket::ConnectedState || state == QAbstractSocket::ConnectingState)
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this->webSocket.abort();
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}
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void WSClient::onbinaryMessageReceived(const QByteArray &message) {
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#ifdef QT_DEBUG
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qDebug() << "WebSocket (client) received:" << message;
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#endif
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if (!Utils::validateJSON(message)) {
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qCritical() << "Could not interpret WebSocket message as JSON";
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return;
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}
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QJsonDocument doc = QJsonDocument::fromJson(message);
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QJsonObject object = doc.object();
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if(!object.contains("cmd") || !object.contains("data")) {
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qCritical() << "Invalid WebSocket message received";
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return;
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}
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emit WSMessage(object);
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}
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