server.cpp Example File

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  #include "server.h"
  #include <QDataStream>
  #include <QTcpSocket>

  Server::Server(QObject *parent) : QObject(parent)
  {
      connect(&m_server, &QTcpServer::newConnection, this, &Server::handleNewConnection);
  }

  void Server::run()
  {
      if (!m_server.listen(QHostAddress::LocalHost, 5555))
          qWarning() << "Could not start the server -> http/proxy authentication dialog"
                        " will not work. Error:" << m_server.errorString();
  }

  void Server::handleNewConnection()
  {
      QTcpSocket *socket = m_server.nextPendingConnection();
      connect(socket, &QAbstractSocket::disconnected, socket, &QObject::deleteLater);
      connect(socket, &QAbstractSocket::readyRead, this, &Server::handleReadReady);
  }

  void Server::handleReadReady()
  {
      QTcpSocket *socket = qobject_cast<QTcpSocket*>(sender());
      Q_ASSERT(socket);
      QByteArray msg = socket->readAll();
      if (msg.contains(QByteArrayLiteral("OPEN_AUTH")))
          socket->write("HTTP/1.1 401 Unauthorized\nWWW-Authenticate: "
                        "Basic realm=\"Very Restricted Area\"\r\n\r\n");
      if (msg.contains(QByteArrayLiteral("OPEN_PROXY")))
          socket->write("HTTP/1.1 407 Proxy Auth Required\nProxy-Authenticate: "
                        "Basic realm=\"Proxy requires authentication\"\r\n\r\n");
  }