public string AuthTransactionToIssuer(string json)
{
ContactCardOnlineAuthRequest request = ContactCardOnlineAuthRequest.FromJsonString(json);
ContactCardOnlineAuthResponse response = new ContactCardOnlineAuthResponse();
try
{
EMVApproverResponse onlineResponse = GoOnline(
new EMVApproverRequest()
{
EMV_Data = TLVasJSON.Convert(request.EMV_Data),
});
response.AuthCode_8A = TLVasJSON.Convert(onlineResponse.AuthCode_8A);
response.IssuerAuthData_91 = TLVasJSON.Convert(onlineResponse.IssuerAuthData_91);
response.ResponseMessage = onlineResponse.ResponseMessage;
if (onlineResponse.IsApproved)
{
response.Response = ContactCardOnlineAuthResponseEnum.Approved;
}
else
{
response.Response = ContactCardOnlineAuthResponseEnum.Declined;
}
return(JsonConvert.ToString(response.ToJsonString()));
}
catch (Exception ex)
{
response.Response = ContactCardOnlineAuthResponseEnum.UnableToGoOnline;
Logger.Log("Unable to go online:" + ex.Message);
return(JsonConvert.ToString(response.ToJsonString()));
}
}
private EMVApproverResponse GoOnlineForContactEMV(InterFaceType interfaceType, TLV data, TLV discretionary)
{
try
{
#region Merge EMV Lists
if (discretionary != null)
{
data.Children.AddListToList(discretionary.Children);
}
#endregion
EMVApproverResponse onlineResponse = (EMVApproverResponse)onlineContactEMVApprover.DoAuth(
new EMVApproverRequest()
{
EMV_Data = data,
TCPClientStream = tcpClientStream
});
return(onlineResponse);
}
catch (Exception ex)
{
Logger.Log("Unable to go online:" + ex.Message);
return(null);
}
}
private void EmvTxCtl_TxCompleted(object sender, EventArgs e)
{
if ((e as TxCompletedEventArgs).TxResult == TxResult.Cancelled)
{
UpdateView(ViewState.StepTxCtl);
}
if ((e as TxCompletedEventArgs).EMV_Data.IsPresent())
{
//the contact app would have already gone online, and the TxResult would be approved or declined
//the reason going online for contactless is handled differently to going online for
//contact is that with contact we have to go online and then back to the card before we can
//process the transaction on the backend, for contacless we can choose to go online and process
//the transaction in one call
if ((e as TxCompletedEventArgs).TxResult == TxResult.ContactlessOnline)
{
EMVApproverRequest auth = new EMVApproverRequest()
{
EMV_Data = (e as TxCompletedEventArgs).EMV_Data.Get()
};
try
{
EMVApproverResponse response = (EMVApproverResponse)onlineApprover.DoAuth(auth);
emvTxCtl.SetTxFinalResultLabel("CTLS Online:" + response.ResponseMessage);
}
catch (Exception ex)
{
emvTxCtl.SetTxFinalResultLabel("CTLS Online:" + ex.Message);
}
}
}
if ((e as TxCompletedEventArgs).QR_Data.IsPresent())
{
if ((e as TxCompletedEventArgs).TxResult == TxResult.QRCodeScanned)
{
//send qr code auth request
QRCodeApproverRequest auth = new QRCodeApproverRequest()
{
QRData = (e as TxCompletedEventArgs).QR_Data.Get()
};
try
{
QRCodeApproverResponse response = (QRCodeApproverResponse)onlineApprover.DoAuth(auth);
emvTxCtl.SetTxFinalResultLabel("QRCode Online:" + response.ResponseMessage);
}
catch (Exception ex)
{
emvTxCtl.SetTxFinalResultLabel("QRCode Online:" + ex.Message);
}
}
}
}
private ApproverResponseBase DoEMVAuth(ApproverRequestBase requestIn)
{
try
{
EMVApproverRequest request = ((EMVApproverRequest)requestIn);
DCEMVDemoServerClient client = SessionSingleton.GenDCEMVServerApiClient();
using (SessionSingleton.HttpClient)
{
ContactCardOnlineAuthRequest tx = new ContactCardOnlineAuthRequest()
{
EMV_Data = TLVasJSON.Convert(request.EMV_Data),
};
string responseJson = "";
Task.Run(async() => {
responseJson = await client.TransactionAuthtransactiontoissuerPostAsync(tx.ToJsonString());
}).Wait();
ContactCardOnlineAuthResponse response = ContactCardOnlineAuthResponse.FromJsonString(responseJson);
EMVApproverResponse approverResponse = null;
switch (response.Response)
{
case ContactCardOnlineAuthResponseEnum.Approved:
case ContactCardOnlineAuthResponseEnum.Declined:
approverResponse = new EMVApproverResponse();
approverResponse.AuthCode_8A = TLVasJSON.Convert(response.AuthCode_8A);
approverResponse.IssuerAuthData_91 = TLVasJSON.Convert(response.IssuerAuthData_91);
approverResponse.IsApproved = response.Response == ContactCardOnlineAuthResponseEnum.Approved ? true : false;
approverResponse.ResponseMessage = response.ResponseMessage;
break;
case ContactCardOnlineAuthResponseEnum.UnableToGoOnline:
break;
}
return(approverResponse);
}
}
catch
{
return(null);
}
}
private void ContactApp_OnlineRequest(object sender, EventArgs e)
{
EMVApproverResponse onlineResponse = GoOnlineForContactEMV(InterFaceType.Contact, ((OnlineEventArgs)e).data, ((OnlineEventArgs)e).discretionaryData);
if (onlineResponse == null)
{
contactCardApp.DoOnlineReponse(KernelOnlineResponseType.UnableToGoOnline,
TLV.Create(EMVTagsEnum.AUTHORISATION_RESPONSE_CODE_8A_KRN.Tag),
TLV.Create(EMVTagsEnum.ISSUER_AUTHENTICATION_DATA_91_KRN.Tag),
TLV.Create(EMVTagsEnum.ISSUER_SCRIPT_TEMPLATE_1_71_KRN.Tag),
TLV.Create(EMVTagsEnum.ISSUER_SCRIPT_TEMPLATE_2_72_KRN.Tag));
}
else
{
if (onlineResponse.IsApproved)
{
contactCardApp.DoOnlineReponse(KernelOnlineResponseType.Approve, onlineResponse.AuthCode_8A, onlineResponse.IssuerAuthData_91, onlineResponse.IssuerScriptTemplate_71, onlineResponse.IssuerScriptTemplate_72);
}
else
{
contactCardApp.DoOnlineReponse(KernelOnlineResponseType.Decline, onlineResponse.AuthCode_8A, onlineResponse.IssuerAuthData_91, onlineResponse.IssuerScriptTemplate_71, onlineResponse.IssuerScriptTemplate_72);
}
}
}
