private scpQueryRequest CreateCapitaQueryRequest(
int customerSiteId,
int customerScpId,
int hmacKeyId,
string secretKey,
string scpUniqueReference,
string callingApplicationTransactionReference)
{
scpQueryRequest queryRequest = new scpQueryRequest
{
siteId = customerSiteId,
scpReference = scpUniqueReference,
credentials = new credentials
{
subject = new subject()
{
subjectType = subjectType.CapitaPortal,
identifier = customerScpId,
systemCode = systemCode.SCP
},
requestIdentification = new requestIdentification()
{
uniqueReference = callingApplicationTransactionReference,
timeStamp = DateTime.UtcNow.ToString("yyyyMMddhhmmss")
},
signature = new signature()
{
algorithm = algorithm.Original,
hmacKeyID = hmacKeyId
}
}
};
string credentialsToHash = CapitaApiHelpers.GetCredentialsToHash(queryRequest.credentials);
queryRequest.credentials.signature.digest = CapitaApiHelpers.CalculateDigest(secretKey, credentialsToHash);
return(queryRequest);
}
private scpSimpleInvokeRequest CreateCapitaInvokeRequest(CapitaInvokeRequest request)
{
scpSimpleInvokeRequest invokeRequest = new scpSimpleInvokeRequest
{
credentials = new credentials
{
subject = new subject()
{
subjectType = subjectType.CapitaPortal,
identifier = request.ScpId,
systemCode = systemCode.SCP
},
requestIdentification = new requestIdentification()
{
uniqueReference = Guid.NewGuid().ToString(),
timeStamp = DateTime.UtcNow.ToString("yyyyMMddHHmmss")
},
signature = new signature()
{
algorithm = algorithm.Original,
hmacKeyID = request.HmacKeyId
}
}
};
string credentialsToHash = CapitaApiHelpers.GetCredentialsToHash(invokeRequest.credentials);
invokeRequest.credentials.signature.digest = CapitaApiHelpers.CalculateDigest(request.HmacKey, credentialsToHash);
invokeRequest.requestType = request.SaveCard ? requestType.payAndAutoStore : requestType.payOnly;
//store card details
if (request.SaveCard)
{
invokeRequest.additionalInstructions = new additionalInstructions()
{
cardholderID = request.CardHolderId
};
}
invokeRequest.requestId = request.UniqueReference;
//ECOM – Indicates that the cardholder will be interacting directly with the web pages displayed by the SCP.
//CNP – Indicates that the transaction is being processed by a third party(e.g.a telesales operative) on behalf of the cardholder.
//N.B. In order to comply with bank rules and to ensure that 3 - D Secure authentication is processed correctly it is important to set this element correctly.
invokeRequest.panEntryMethod = request.IsMediated ? panEntryMethod.CNP : panEntryMethod.ECOM;
invokeRequest.routing = new routing()
{
siteId = request.SiteId,
scpId = request.ScpId,
returnUrl = request.ReturnUrl
};
invokeRequest.sale = new simpleSale()
{
saleSummary = new summaryData()
{
description = request.PurchaseDescription,
reference = request.IntegraCode,
amountInMinorUnits = request.PaymentTotal,
displayableReference = $"Booking reference : {request.BookingRef}"
},
items = new[]
{
new simpleItem()
{
itemSummary = new summaryData()
{
description = request.PurchaseDescription,
amountInMinorUnits = request.PaymentTotal,
reference = request.IntegraCode,
displayableReference = $"Booking reference : {request.BookingRef}"
},
lgItemDetails = new lgItemDetails()
{
additionalReference = request.PurchaseId,
fundCode = string.IsNullOrEmpty(request.FundCode) ? null : request.FundCode,
isFundItem = string.IsNullOrEmpty(request.FundCode) ? false : true
},
lineId = request.PurchaseId,
tax = string.IsNullOrEmpty(request.VatCode) ? null :
new taxItem()
{
vat = new vatItem()
{
vatCode = request.VatCode,
vatRate = request.VatRate
}
}
}
}
};
return(invokeRequest);
}
protected async Task <PaymentAuthorizationResponse> CheckAuthorizationInternal(
PaymentProviderConfiguration configuration,
string uniqueIdentifier, string scpUniqueReference)
{
int siteId;
int scpId;
int hmacKeyId;
string hmacSecretKey;
int.TryParse(configuration.AccountIdentifer, out siteId);
int.TryParse(configuration.SubAccountNumber, out scpId);
CapitaApiHelpers.GetHmacIdAndSecretKey(configuration.SharedSecret, out hmacKeyId, out hmacSecretKey);
scpQueryRequest request = CreateCapitaQueryRequest(siteId, scpId, hmacKeyId, hmacSecretKey, scpUniqueReference, uniqueIdentifier);
scpSimpleQueryResponse1 response;
try
{
using (CapitaSimple.scpClient capitaClient = new scpClient("CapitaScpSoap", Shared.Capita.Default.CapitaWebServiceUrl))
{
try
{
response = await capitaClient.scpSimpleQueryAsync(request);
}
catch (Exception ex)
{
this.Logger.CreateEntry(typeof(CapitaApiProvider), LogLevel.Error, $"Token:{uniqueIdentifier},ProviderToken:{scpUniqueReference}", ex);
return(new PaymentAuthorizationResponse(false, PaymentAuthorizationResult.ErrorUnknownStatus, 0, "Error occurred: Provider returned an error in response", null));
}
}
}
//This is a quick fix to cover the scenario where we're calling from AzureFunction and AzureFunction does not have any app.config
//So we need to build the bindings and endpoint in the code
catch (InvalidOperationException invalidOperationException)
{
// Create endpoint address gathered from functions app settings
var address = new EndpointAddress(Shared.Capita.Default.CapitaWebServiceUrl);
// Create binding to match the client proxy configuration
var binding = new BasicHttpBinding(BasicHttpSecurityMode.Transport);
binding.Security.Mode = BasicHttpSecurityMode.Transport;
using (CapitaSimple.scpClient capitaClient = new scpClient(binding, address))
{
try
{
response = await capitaClient.scpSimpleQueryAsync(request);
}
catch (Exception ex)
{
this.Logger.CreateEntry(typeof(CapitaApiProvider), LogLevel.Error, $"Token:{uniqueIdentifier},ProviderToken:{scpUniqueReference}", ex);
return(new PaymentAuthorizationResponse(false, PaymentAuthorizationResult.ErrorUnknownStatus, 0, "Error occurred: Provider returned an error in response", null));
}
}
}
catch (Exception ex)
{
throw ex;
}
return(ParseResponseFromCapitaResponse(response));
}
