void ServerThread::readyRead()
{
if(!isInitialized)
{
initialize();
return;
}
QDataStream input(s);
s->waitForReadyRead();
MessageEnvelop e;
try
{
input >> e;
}
catch(MessageException e)
{
qDebug() << "Hackers are strong "
<< "But I'm stronger";
return;
//sendError("Telnet Cannot kill me");
}
switch (e.getRequestType())
{
case SEND_LOGIN_TO_SERVER:
case PING:
case OK:
return;
case REQUEST_CALL_TO_CLIENT_FROM_SERVER:
qDebug() << "Connection init";
return requestCall(e.getName());
case REQUEST_CLIENT_LIST_FROM_SERVER:
return sendError("The List will be sent M'kay");
case SEND_DENIED_RESPONSE_TO_COMMUNICATION:
sendConnectionDenied();
return;
case SEND_SUCCESS_RESPONSE_TO_COMMUNICATION:
qDebug() << "Connection Granted";
ConnectionGranted(e.getPassword());
return;
case SEND_LOGOUT_REQUEST:
logout();
return;
case END_OF_CALL_TO_CLIENT:
case ERROR_SERVER_RESPONSE:
return sendError("Only me can communicate on port 666 MUHEHEHE");
default:
return sendError("Unrecognized messsage type M'kay");
}
}
void ServerThread::registerNewClient(MessageEnvelop &e)
{
if(database->existsUser(e.getName().toStdString()))
{
sendError("The Username already exists M'kay, pick another one M'kay");
emit error(this->s->error());
return;
}
std::ifstream rand("/dev/urandom",std::ios::binary);
char * newSalt = new char[8];
rand.read(newSalt, 8);
rand.close();
char * corrSalt = getAscii85(newSalt, 8);
delete[] newSalt;
std::string s(e.getPassword().toStdString()), qCorrSalt(corrSalt);
s = s + qCorrSalt;
free(corrSalt);
unsigned char hash[32];
char *printableHash;
sha2((unsigned char *) s.c_str(), s.length(), hash, 0);
printableHash = getAscii85((char*) hash, 32);
QString pass(printableHash), Qsalt(qCorrSalt.c_str());
try
{
database->insertUser(e.getName().toStdString(), pass.toStdString(),
Qsalt.toStdString());
}
catch(SqlConnection::SqlException e)
{
sendError("The user was not added");
emit error(this->s->error());
return;
}
QByteArray b;
QDataStream outStr(&b, QIODevice::WriteOnly);
MessageEnvelop ret(REGISTER_APROOVED);
isInitialized = false;
outStr << ret;
this->s->write(b);
}
void ServerThread::initialize()
{
isInitialized = true;
MessageEnvelop e;
QDataStream str(s);
try
{
str >> e;
}
catch(MessageException e)
{
return;
}
qDebug() << e.getRequestType() << " initialize on data " << e.getName();
if(e.getRequestType() == REGISTER_TO_SERVER)
{
registerNewClient(e);
return;
}
if(e.getRequestType() != SEND_LOGIN_TO_SERVER)
{
sendError("The Connection is bad Mkay. You should try it again M'Kay");
emit error(s->error());
//s->deleteLater();
//emit disconnected();
return;
}
bool result = false;
try
{
result = verify(e.getName(), e.getPassword());
}
catch (SqlConnection::SqlException e)
{
sendError("The username is not in the database M'kay");
emit error(s->error());
return;
}
if(!result)
{
sendError("The password is bad M'kay");
emit error(s->error());
return;
}
ConnectedClient * c = new ConnectedClient(s->peerAddress(), e.getName(),
s->peerPort(), this);
qDebug() << "The host " << e.getName()
<< " on address " << s->peerAddress() << " on port " << s->peerPort();
c->init(this);
qDebug() << "opened connection to " << e.getName();
if(!list->addClient(c))
{
sendError("The connection already exists M'kay");
emit error(s->error());
}
this->c = c;
this->name = e.getName();
list->callAllClients();
}