ClientConnectionAuthHandler.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    Scorched3D is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <client/ClientConnectionAuthHandler.h>
#include <client/ScorchedClient.h>
#include <client/ClientParams.h>
#include <client/ClientState.h>
#include <common/OptionsScorched.h>
#include <common/Logger.h>
#include <server/ScorchedServer.h>
#include <dialogs/ConnectDialog.h>
#include <dialogs/MsgBoxDialog.h>
#include <dialogs/ProgressDialog.h>
#include <dialogs/AuthDialog.h>
#include <GLW/GLWWindowManager.h>
#include <coms/ComsConnectAuthMessage.h>
#include <coms/ComsMessageSender.h>
#include <graph/OptionsDisplay.h>
#include <tank/TankContainer.h>
#include <client/SecureID.h>
#include <net/NetInterface.h>

ClientConnectionAuthHandler *ClientConnectionAuthHandler::instance_ = 0;

ClientConnectionAuthHandler *ClientConnectionAuthHandler::instance()
{
        if (!instance_)
        {
          instance_ = new ClientConnectionAuthHandler();
        }

        return instance_;
}

ClientConnectionAuthHandler::ClientConnectionAuthHandler()
{
        ScorchedClient::instance()->getComsMessageHandler().addHandler(
                "ComsConnectAuthMessage",
                this);
}

ClientConnectionAuthHandler::~ClientConnectionAuthHandler()
{

}

bool ClientConnectionAuthHandler::processMessage(
        NetMessage &netMessage,
        const char *messageType,
        NetBufferReader &reader)
{
        ComsConnectAuthMessage message;
        if (!message.readMessage(reader)) return false;

        bool nameRequired = (0 == strcmp(message.getUserName(), "required"));
        bool passwordRequired = (0 == strcmp(message.getPassword(), "required"));
        if ((passwordRequired && !ClientParams::instance()->getPassword()[0]) ||
                (nameRequired && !ClientParams::instance()->getUserName()[0]))
        {
                AuthDialog::instance()->setRequiredAuth(
                        (nameRequired?AuthDialog::eNameRequired:0) |
                        (passwordRequired?AuthDialog::ePasswordRequired:0));
                GLWWindowManager::instance()->showWindow(
                        AuthDialog::instance()->getId());
        }
        else
        {
                sendAuth();
        }

        return true;
}

void ClientConnectionAuthHandler::sendAuth()
{
        ProgressDialog::instance()->progressChange(LANG_RESOURCE("AUTHENTICATING", "Authenticating"), 100);

        const char *hostName = ConnectDialog::instance()->getHost();
        int portNumber = ConnectDialog::instance()->getPort();

        // Update unique id store
        std::string uniqueId, SUI;
        if (ClientParams::instance()->getConnectedToServer())
        {
                IPaddress address;
                if (SDLNet_ResolveHost(&address, (char *) hostName, 0) == 0)
                {
                        unsigned int ipAddress = SDLNet_Read32(&address.host);
                        uniqueId = ConnectDialog::instance()->getIdStore().getUniqueId(ipAddress);

                        SecureID MakeKey;
                        SUI = MakeKey.getSecureID(ipAddress);
                }
        }

        // Check the number of players that are connecting
        unsigned int noPlayers = 1;
        if (!ClientParams::instance()->getConnectedToServer())
        {
                noPlayers = ScorchedServer::instance()->getOptionsGame().getNoMaxPlayers() -
                        ScorchedServer::instance()->getTankContainer().getNoOfTanks();
        }

        ComsConnectAuthMessage connectMessage;

        connectMessage.setUserName(ClientParams::instance()->getUserName());
        connectMessage.setPassword(ClientParams::instance()->getPassword());
        connectMessage.setUniqueId(uniqueId.c_str());
        connectMessage.setSUI(SUI.c_str());
        connectMessage.setHostDesc(OptionsDisplay::instance()->getHostDescription());
        connectMessage.setNoPlayers(noPlayers);
        connectMessage.setCompatabilityVer((unsigned int) OptionsDisplay::instance()->getOptions().size());

        if (!ComsMessageSender::sendToServer(connectMessage))
        {
                LangString msg = LANG_RESOURCE_2("FAILED_TO_SEND_AUTH",
                        "Failed to send auth to server \"{0}:{1}\", send failed.",
                        hostName, portNumber);
                MsgBoxDialog::instance()->show(msg);

                cancelAuth();
        }
}

void ClientConnectionAuthHandler::cancelAuth()
{
        ScorchedClient::instance()->getNetInterface().stop();
        ScorchedClient::instance()->getGameState().stimulate(
                ClientState::StimOptions);
}

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