void CISO8583AuthorizerServerSession::OnNewMsg(CMultiXAppMsg &Msg)
{
DebugPrint(1,"New Message Received\n");
switch(CISO8583Msg::VersionIndependentMTI(Msg.MsgCode())) // we check the ISO8583 Version independent MTI value
{
case CISO8583Msg::MTIAuthorizationMessageRequest :
case CISO8583Msg::MTIFinancialMessageRequest :
{
// If we have an ISO 8583 Msg Code, we try to parse the msg to make sure that
// we have a valid ISO 8583
CISO8583Msg ISOMsg;
CISO8583Msg::TValidationError Error = ISOMsg.FromISO((const byte_t *)Msg.AppData(),Msg.AppDataSize());
if(Error != CISO8583Msg::NoError)
{
Msg.Reply(Error);
} else if(ISOMsg.Version() != CISO8583Msg::ISO8583_1_1987) // we Support only 1987 version
{
Msg.Reply(CISO8583Msg::VersionNotSupported);
} else
{
OnISO8583Msg(Msg,ISOMsg);
}
}
break;
default :
// We do not know this message, reply with error
Msg.Reply(CISO8583Msg::MTINotSupported);
break;
}
}
void CISO8583AcquirerGatewayFEServerSession::OnNetworkManagementRequest(CMultiXAppMsg &Msg)
{
CISO8583Msg ISOMsg;
CISO8583Msg::TValidationError Error = ISOMsg.FromISO((const byte_t *)Msg.AppData(),Msg.AppDataSize());
if(Error != CISO8583Msg::NoError)
{
Msg.Reply(Error);
return;
}
/*
Since Network Management messages include the destination gateway ID, we use it to find the link associated with this gateway.
*/
int ReplyError = ErrUnableToForwardMsg;
CISO8583AcquirerGatewayFELink *Link = Owner()->FindReadyLink(ISOMsg.TransactionDestinationInstitutionIdentificationCode());
if(Link)
{
std::string MsgKey = ISOMsg.STAN() + ISOMsg.DateTimeLocal() + ISOMsg.TransactionOriginatorInstitutionIdentificationCode();
ReplyError = Link->Forward(Msg,MsgKey);
}
if(ReplyError == 0)
{
Msg.Keep();
} else
{
Msg.Reply(ReplyError);
}
}
void CMultiXProcess::OnGetListeningAddressFailed(CMultiXAppMsg &OriginalMsg)
{
CMultiXMsg Msg(*Owner());
Msg.Append(OriginalMsg.AppData(),OriginalMsg.AppDataSize());
TMultiXProcID ProcID = 0;
Msg.GetItemData(ProcID);
Owner()->OnConnectProcessFailed(ProcID);
}
//! see CMultiXSession::OnDataReplyReceived
void CISO8583BackEndServerSession::OnDataReplyReceived(CMultiXAppMsg &ReplyMsg,CMultiXAppMsg &ForwardedMsg)
{
DebugPrint(3,"Data Reply Received\n");
/*
We get here when we receive a response for a message we forwarded before. In this case we will forward the response back to
the originator, we do not care for the content, we forward it back almost AS IS except for few fields that
we need to restore because changed them before we forwarded the message, the fields are:
MTI - Convert it to 1993 version.
BMP 7 - Set Transmission time
BMP 11 - restore sender STAN
BMP 12 - Restore sender Date and Time Local
BMP 32 - Restore senders Acquiring Institution Identification Code
*/
/*
In order to restore old values, we need to restore the message we received originaly from the acquirer or from the pos terminal.
this message is saved in the SaveContext() of the ForwardedMsg.
*/
CMultiXAppMsg *AcquirerMsg = (CMultiXAppMsg *)ForwardedMsg.SavedContext();
CISO8583Msg AcquirerISO;
CISO8583Msg ReplyISO;
AcquirerISO.FromISO((const byte_t *)AcquirerMsg->AppData(),AcquirerMsg->AppDataSize());
ReplyISO.FromISO((const byte_t *)ReplyMsg.AppData(),ReplyMsg.AppDataSize());
ReplyISO.SetTimes(time(NULL),true);
ReplyISO.SetDateTimeLocal(AcquirerISO.DateTimeLocal());
ReplyISO.SetSTAN(AcquirerISO.STAN());
ReplyISO.SetAcquiringInstitutionIdentificationCode(AcquirerISO.AcquiringInstitutionIdentificationCode());
ReplyISO.ToISO();
AcquirerMsg->Reply(CISO8583Msg::VersionDependentMTI(CISO8583Msg::ISO8583_2_1993,ReplyMsg.MsgCode()),
ReplyISO.ISOBuffer(),
ReplyISO.ISOBufferSize(),0,0,0,0,0,ReplyMsg.Error());
delete AcquirerMsg; // WE MUST DELETE THE MESSAGE BECAUSE WE CALLED "Keep()" BEFORE WE FORWARDED IT.
/*
we reply the ReplyMsg for the case that the process that replied to us expects to receive a notification that we
received the reply, if it does not wait for the reply, no reply is sent.
*/
ReplyMsg.Reply();
}
void CMultiXProcess::OnPrepareForShutdown(CMultiXAppMsg &AppMsg)
{
CMultiXMsg Msg(*Owner());
Msg.Append(AppMsg.AppData(),AppMsg.AppDataSize());
int32_t GracePeriod = 0;
while(Msg.Next())
{
switch(Msg.GetItemCode())
{
case CMultiXTpmCtrlMsg::GracePeriodItemCode :
Msg.GetItemData(GracePeriod);
break;
}
}
AppMsg.Reply(MultiXNoError);
Owner()->OnPrepareForShutdown(GracePeriod);
}
void CISO8583AcquirerGatewayFEServerSession::OnTransactionRequest(CMultiXAppMsg &Msg)
{
CISO8583Msg ISOMsg;
CISO8583Msg::TValidationError Error = ISOMsg.FromISO((const byte_t *)Msg.AppData(),Msg.AppDataSize());
if(Error != CISO8583Msg::NoError)
{
Msg.Reply(Error);
return;
}
if(Owner()->DebugLevel() >= 5)
{
std::string S;
ISOMsg.Dump(S);
DebugPrint(2,"New ISO 8583 Message\n%s\n",S.c_str());
}
/*
When we receive a transaction for forwarding, we have no indication within the message, to which gateway we should forward the message.
It is assumed that there is some mechanism to use the PAN and/or Track2 in order to decide to which gateway we should forward the request.
In this application, we do not use any logic to derive the Gateway ID from these details. We just use a stub routine that gets PAN
as input and returns the gateway ID of the issuer. Using the gateway ID, we look for a link that its RemoteGatewayID() is equal to
the value returned. If we find one and it is signed in, we forward the request to it, otherwise we reply with an error.
*/
int ReplyError = ErrUnableToForwardMsg;
std::string RemoteGatewayID = PANToGatewayID(ISOMsg.PAN());
CISO8583AcquirerGatewayFELink *Link = Owner()->FindReadyLink(RemoteGatewayID);
if(Link)
{
std::string MsgKey = ISOMsg.STAN() + ISOMsg.DateTimeLocal() + ISOMsg.AcquiringInstitutionIdentificationCode();
ReplyError = Link->Forward(Msg,MsgKey);
}
if(ReplyError == 0)
{
Msg.Keep();
} else
{
Msg.Reply(ReplyError);
}
}
void CMultiXProcess::OnListeningAddressReceived(CMultiXAppMsg &AppMsg)
{
CMultiXMsg Msg(*Owner());
Msg.Append(AppMsg.AppData(),AppMsg.AppDataSize());
TMultiXProcID ProcID = 0;
std::string Address;
std::string Port;
while(Msg.Next())
{
switch(Msg.GetItemCode())
{
case CMultiXTpmCtrlMsg::ProcessIDItemCode :
Msg.GetItemData(ProcID);
break;
case CMultiXTpmCtrlMsg::LocalAddressItemCode :
Msg.GetItemData(Address);
break;
case CMultiXTpmCtrlMsg::LocalPortItemCode :
Msg.GetItemData(Port);
break;
}
}
if(ProcID == 0)
return;
CMultiXProcess *Process = Owner()->FindProcess(ProcID);
if(Process != NULL && Process->Connected())
return;
if(Address.empty() ||Port.empty())
{
if(Process)
Process->ConnectRetries()++;
return;
}
TTpmConfigParams Params;
CMultiXTpmLink *Link = new CMultiXTpmLink(Params,false,MultiXOpenModeClient);
Owner()->AddLink(Link);
Link->Connect(Address,Port);
}
/*!
see CMultiXSession::OnDataReplyReceived
this reply is for a message or an ACK previously received from the POS terminal.
*/
void CMultiplexerClientFEClientSession::OnDataReplyReceived(CMultiXAppMsg &ReplyMsg,CMultiXAppMsg &OriginalMsg)
{
DebugPrint(2,"Data Reply Received\n");
CMultiplexerClientFELink *pLink = GetLink();
if(!pLink) // probably the link was disconnected before the reply was received
{
int Error = ErrLinkDisconnected;
// TODO: Set an application specific error code
ReplyMsg.Reply(Error);
return;
}
if(ReplyMsg.AppDataSize() == 0) // an empty reply from the server application
{
if(ReplyMsg.Error() != 0)
pLink->OnSessionSendFailed(OriginalMsg,ReplyMsg.Error());
else
pLink->OnSessionSendCompleted(OriginalMsg);
ReplyMsg.Reply(); // just reply to the received msg, in case the sender expects a reply
return;
}
// forward the reply to the associated link
CMultiXBuffer *Buf = Owner()->AllocateBuffer(ReplyMsg.AppData(),ReplyMsg.AppDataSize());
pLink->OnSessionReply(*Buf,OriginalMsg);
Buf->ReturnBuffer();
ReplyMsg.Reply(0);
}
//! see CMultiXSession::OnDataReplyReceived
void CISO8583AuthorizerServerSession::OnDataReplyReceived(CMultiXAppMsg &ReplyMsg,CMultiXAppMsg &ForwardedMsg)
{
DebugPrint(3,"Data Reply Received\n");
switch(CISO8583Msg::VersionIndependentMTI(ForwardedMsg.MsgCode())) // this will give us version independent MTI
{
case CISO8583Msg::MTIAuthorizationMessageRequest :
case CISO8583Msg::MTIFinancialMessageRequest :
{
CMultiXAppMsg *AcquirerMsg = (CMultiXAppMsg *)ForwardedMsg.SavedContext();
if(ReplyMsg.AppDataSize() == 0)
{
AcquirerMsg->Reply(ReplyMsg.Error());
delete AcquirerMsg;
break;
}
CISO8583Msg AcquirerISO;
CISO8583Msg ReplyISO;
AcquirerISO.FromISO((const byte_t *)AcquirerMsg->AppData(),AcquirerMsg->AppDataSize());
ReplyISO.FromISO((const byte_t *)ReplyMsg.AppData(),ReplyMsg.AppDataSize());
/*
before we send the reply, we need to check if it is MTI 200 and if the response is positive, if so :
1. we debit the issuer account for the sales amount + commission. in this sample we derive the issuer account from the PAN.
2. we credit our own account for these amounts
3. we write transactions log.
*/
if(CISO8583Msg::VersionIndependentMTI(AcquirerMsg->MsgCode()) == CISO8583Msg::MTIFinancialMessageRequest)
{
if(CISO8583Utilities::ToInt64(ReplyISO.ActionCode()) == 0)
{
double Amount = (double)CISO8583Utilities::ToInt64(ReplyISO.TransactionAmount())/100;
int IssuerAccount = PANToIssuerAccount(AcquirerISO.PAN());
int MerchantAccount = (int)CISO8583Utilities::ToInt64(AcquirerISO.CardAcceptorIdentificationCode().StringData());
if(!UpdateAuthorizedSale(IssuerAccount,MerchantAccount,AcquirerISO.PAN(),Amount))
{
AcquirerMsg->Reply(CISO8583Msg::RequestRejected);
// SendReversalToIssuer(ReplyISO); not implemented
delete AcquirerMsg;
return;
}
}
} else if(CISO8583Msg::VersionIndependentMTI(AcquirerMsg->MsgCode()) == CISO8583Msg::MTIAuthorizationMessageRequest)
{
int IssuerAccount = PANToIssuerAccount(AcquirerISO.PAN());
double Amount = (double)CISO8583Utilities::ToInt64(AcquirerISO.TransactionAmount())/100;
mysqlpp::Transaction Tran(Owner()->DBConn());
mysqlpp::Query Query = Owner()->DBConn().query();
transactions_log Log;
Log.Time = TomysqlppDateTime(time(NULL));
Log.AccountNumber = IssuerAccount;
Log.CardNumber = AcquirerISO.PAN();
Log.Action = 11; // Query
Log.Amount = Amount;
Log.NewBalance = 0;
Query.insert(Log);
Query.execute();
Tran.commit();
}
/*
We get here when we receive a response for a message we forwarded before. In this case we will forward the response back to
the originator, we do not care for the content, we forward it back almost AS IS except for few fields that
we need to restore because changed them before we forwarded the message, the fields are:
BMP 7 - Set Transmission time
BMP 11 - restore sender STAN
BMP 12 - Restore sender Date and Time Local
BMP 32 - Restore senders Acquiring Institution Identification Code
*/
/*
In order to restore old values, we need to restore the message we received originaly from the acquirer or from the pos terminal.
this message is saved in the SaveContext() of the ForwardedMsg.
*/
ReplyISO.SetTimes(time(NULL),true);
ReplyISO.SetSTAN(AcquirerISO.STAN());
ReplyISO.SetDateTimeLocal(AcquirerISO.DateTimeLocal());
ReplyISO.SetAcquiringInstitutionIdentificationCode(AcquirerISO.AcquiringInstitutionIdentificationCode());
ReplyISO.ToISO();
AcquirerMsg->Reply(AcquirerMsg->MsgCode(),
ReplyISO.ISOBuffer(),
ReplyISO.ISOBufferSize(),0,0,0,0,0,ReplyMsg.Error());
delete AcquirerMsg; // WE MUST DELETE THE MESSAGE BECAUSE WE CALLED "Keep()" BEFORE WE FORWARDED IT.
}
break;
}
/*
we reply the ReplyMsg for the case that the process that replied to us expects to receive a notification that we
received the reply, if it does not wait for the reply, no reply is sent.
*/
ReplyMsg.Reply();
}
void CMultiXProcess::OnTpmConfigData(CMultiXAppMsg &AppMsg)
{
CMultiXMsg Msg(*Owner());
std::string ParamName;
std::string ParamValue;
Msg.Append(AppMsg.AppData(),AppMsg.AppDataSize());
CMultiXTpmConfiguredLink Link;
while(Msg.Next())
{
switch(Msg.GetItemCode())
{
case CMultiXTpmCtrlMsg::DebugLevelItemCode :
Msg.GetItemData(Owner()->DebugLevel());
break;
case CMultiXTpmCtrlMsg::AdditionalConfigTextItemCode :
Msg.GetItemData(Owner()->AdditionalConfigText());
break;
case CMultiXTpmCtrlMsg::DefaultSendTimeoutItemCode :
Msg.GetItemData(Owner()->DefaultSendTimeout());
break;
case CMultiXTpmCtrlMsg::StartLinkItemCode :
break;
case CMultiXTpmCtrlMsg::LinkIDItemCode :
Msg.GetItemData(Link.LinkID);
break;
case CMultiXTpmCtrlMsg::LinkDescriptionItemCode :
Msg.GetItemData(Link.Description);
break;
case CMultiXTpmCtrlMsg::LinkTypeItemCode :
Msg.GetItemData(Link.LinkType);
break;
case CMultiXTpmCtrlMsg::OpenModeItemCode :
Msg.GetItemData(Link.OpenMode);
break;
case CMultiXTpmCtrlMsg::IsRawItemCode :
Msg.GetItemData(Link.bRaw);
break;
case CMultiXTpmCtrlMsg::LocalAddressItemCode :
Msg.GetItemData(Link.LocalAddress);
break;
case CMultiXTpmCtrlMsg::LocalPortItemCode :
Msg.GetItemData(Link.LocalPort);
break;
case CMultiXTpmCtrlMsg::RemoteAddressItemCode :
Msg.GetItemData(Link.RemoteAddress);
break;
case CMultiXTpmCtrlMsg::RemotePortItemCode :
Msg.GetItemData(Link.RemotePort);
break;
case CMultiXTpmCtrlMsg::EndLinkItemCode :
if(Link.LinkType == MultiXLinkTypeTcp &&
Link.OpenMode == MultiXOpenModeServer &&
Link.bRaw == false)
{
CMultiXTpmLink *TpmLink = new CMultiXTpmLink(Link.ConfigParams,false,MultiXOpenModeServer);
Owner()->AddLink(TpmLink);
TpmLink->Listen(Link.LocalPort,Link.LocalAddress);
} else
{
Owner()->OnTpmConfiguredLink(Link);
}
break;
case CMultiXTpmCtrlMsg::StartParamItemCode :
ParamName.clear();
ParamValue.clear();
break;
case CMultiXTpmCtrlMsg::ParamNameItemCode :
Msg.GetItemData(ParamName);
break;
case CMultiXTpmCtrlMsg::ParamValueItemCode :
Msg.GetItemData(ParamValue);
break;
case CMultiXTpmCtrlMsg::EndProcessParamItemCode :
if(ParamName.length() > 0)
Owner()->AddConfigParam(ParamName,ParamValue);
break;
case CMultiXTpmCtrlMsg::EndLinkParamItemCode :
if(ParamName.length() > 0)
Link.ConfigParams[ParamName] = ParamValue;
break;
}
}
AppMsg.Reply(MultiXNoError);
Owner()->OnTpmConfigCompleted();
}
CMultiXLayer::EventHandlerReturn CMultiXWSStream::OnNewRequestMessage(CMultiXEvent *Event)
{
CMultiXWSStreamEvent *Ev = (CMultiXWSStreamEvent *)Event;
// if we have a valid message saved, we reply it with error - this will happen only if we have not replied to it before
// we will also delete the message, since we do not need it any more.
CMultiXAppMsg *pMsg = m_RequestMsgID.GetObject();
if(pMsg != NULL)
{
pMsg->Reply(TpmErrMsgCanceled);
delete pMsg;
}
m_RequestMsgID = Ev->m_MsgID;
pMsg = m_RequestMsgID.GetObject();
if(pMsg == NULL)
return CMultiXLayer::DeleteEvent;
bool bExit = false;
while(!bExit) // we do a "while" here just so we can fall thru the end of function and delete the message object
{
bExit = true;
if(!pMsg->IsWebServiceCall())
{
pMsg->Reply(TpmErrMsgNotSupported);
break;
}
std::string FuncName;
std::string DLLName;
EXPORTABLE_STL::map<int32_t,std::string>::iterator It = m_MsgCodeToFunctionMap.find(pMsg->MsgCode());
if(It != m_MsgCodeToFunctionMap.end())
{
DLLName = It->second.substr(0,It->second.find("|||"));
FuncName = It->second.substr(It->second.find("|||")+3);
}
else
{
DLLName = pMsg->WSDllFile();
FuncName = pMsg->WSDllFunction();
}
try
{
InitgSoap(DLLName);
} catch(...)
{
pMsg->Reply(WSErrgSoapDllNotFound);
break;
}
TgSoapServiceFunction Func = (TgSoapServiceFunction)GetProcAddress(m_pFunctions->m_pDLLHandle,FuncName.c_str());
if(Func == NULL)
{
pMsg->Reply(WSErrServiceFunctionNotFound);
break;
} else if(It == m_MsgCodeToFunctionMap.end())
{
m_MsgCodeToFunctionMap[pMsg->MsgCode()] = DLLName + "|||" + pMsg->WSDllFunction();
}
ResetData();
if(m_pInBuf)
m_pInBuf->ReturnBuffer();
m_pInBuf = pMsg->Owner()->Owner()->AllocateBuffer(pMsg->AppData(),pMsg->AppDataSize());
int Error = Func(gSoap());
if(OutBuf().Length() > 0)
{
pMsg->Reply(pMsg->MsgCode(),OutBuf());
} else
{
pMsg->Reply(Error);
}
}
if(pMsg)
delete pMsg;
m_RequestMsgID.Init();
return CMultiXLayer::DeleteEvent;
}