public static List <RealexComment> CreateCommentList(IEnumerable <string> optionalComments, int maxNumberOfComments = 2)
{
if (null == optionalComments)
{
return(null);
}
List <RealexComment> result = new List <RealexComment>();
foreach (string comment in optionalComments)
{
if (null != comment)
{
string sanitizedComment = MessageContentUtility.TruncateAndStripDisallowed(comment, truncateTo: 255,
disallowedCharacters: RealexFields.RealexFieldCommentDisallowRegex);
result.Add(new RealexComment()
{
id = result.Count + 1,
Value = sanitizedComment
});
if (result.Count >= 2)
{
break;
}
}
}
return(result.Any() ? result : null);
}
public ActionResult SendToPaymentProvider(
PaymentProviderConfiguration configuration,
GeneralisedPaymentTransfer transferObject, DateTime nowLocalTime)
{
var realExXfer = new RealExPaymentTransfer()
{
MerchantId = configuration.AccountIdentifer,
OrderId = transferObject.TransactionId,
Amount = (int)(transferObject.Amount * 100),
ProviderUrl = Shared.RealEx.Default.RealExPostUrl,
ReturnUrl = transferObject.ReturnUrl,
Currency = "GBP",
Timestamp = nowLocalTime.ToString("yyyyMMddHHmmss"),
AutoSettleFlag = true
};
realExXfer.Account = transferObject.Account;
realExXfer.VariableReference = MessageContentUtility.TruncateAndStripDisallowed(transferObject.VariableReference, 50, RealexFields.RealexFieldVarRefDisallowRegex);
realExXfer.CustomerNumber = transferObject.CustomerNumber;
realExXfer.ProductId = MessageContentUtility.TruncateAndStripDisallowed(transferObject.ProductId, null, RealexFields.RealexFieldProductIdDisallowRegex);
realExXfer.Comment1 = MessageContentUtility.TruncateAndStripDisallowed(transferObject.Comment1, 255, RealexFields.RealexFieldCommentDisallowRegex);
realExXfer.Comment2 = MessageContentUtility.TruncateAndStripDisallowed(transferObject.Comment2, 255, RealexFields.RealexFieldCommentDisallowRegex);
var fieldsForSignature = new List <string>();
fieldsForSignature.Add(realExXfer.Timestamp);
fieldsForSignature.Add(realExXfer.MerchantId);
fieldsForSignature.Add(realExXfer.OrderId);
fieldsForSignature.Add(realExXfer.Amount.ToString());
fieldsForSignature.Add(realExXfer.Currency);
if (transferObject.SaveCard != null)
{
realExXfer.HasSavedCard = true;
realExXfer.CardStorageEnabled = true;
realExXfer.OfferSaveCard = transferObject.SaveCard.OfferSaveCard;
realExXfer.PaymentReference = MessageContentUtility.TruncateAndStripDisallowed(transferObject.SaveCard.PaymentReference, 30, RealexFields.RealexFieldPaymentRefDisallowRegex);
realExXfer.PayerReference = MessageContentUtility.TruncateAndStripDisallowed(transferObject.SaveCard.PayerReference, 50, RealexFields.RealexFieldPayerRefDisallowRegex);
realExXfer.PayerExists = transferObject.SaveCard.PayerExists;
fieldsForSignature.Add(realExXfer.PayerReference);
fieldsForSignature.Add(realExXfer.PaymentReference);
}
realExXfer.Sha1Hash = CalculateRealexSignature(fieldsForSignature.ToArray(), configuration.SharedSecret);
var resultView = PaymentFrameworkUtility.CreateView("~/Views/Payment/SendToRealEx.cshtml", realExXfer);
var sendToPaymentLogMessage = PaymentFrameworkUtility.DescribeActionResultForLogging(resultView, true);
this.Logger.CreateEntry(typeof(RealExPaymentProvider), LogLevel.Info, sendToPaymentLogMessage);
return(resultView);
}
public static string CalculateRealexSignature(
string[] fieldsToSign,
string secretKey)
{
string concatenatedInput = string.Join(".", fieldsToSign);
SHA1 sha = new SHA1CryptoServiceProvider();
ASCIIEncoding encoder = new ASCIIEncoding();
byte[] intermediateHashBytes = sha.ComputeHash(encoder.GetBytes(concatenatedInput));
string intermediateHashString = MessageContentUtility.ByteArrayToHexString(intermediateHashBytes).ToLower();
string finalStringToHash = $"{intermediateHashString}.{secretKey}";
byte[] finalHashBytes = sha.ComputeHash(encoder.GetBytes(finalStringToHash));
string finalHashedString = MessageContentUtility.ByteArrayToHexString(finalHashBytes).ToLower();
return(finalHashedString);
}
public ActionResult SendToPaymentProvider(
PaymentProviderConfiguration configuration,
GeneralisedPaymentTransfer transferObject,
Action <PaymentProviderConfiguration, GeneralisedPaymentTransfer, string> saveProviderReference)
{
int siteId;
int.TryParse(configuration.AccountIdentifer, out siteId);
int scpId;
int.TryParse(transferObject.Account, out scpId);
int hmacKeyId;
string hmacSecretKey;
CapitaApiHelpers.GetHmacIdAndSecretKey(configuration.SharedSecret, out hmacKeyId, out hmacSecretKey);
string returnUrl = $"{transferObject.ReturnUrl}?{RoundTripTokenKey}={transferObject.TransactionId}";
CapitaInvokeRequest request = new CapitaInvokeRequest()
{
SiteId = siteId,
ScpId = scpId,
HmacKeyId = hmacKeyId,
HmacKey = hmacSecretKey,
UniqueReference = transferObject.TransactionId,
PurchaseId = transferObject.ProductId,
BookingRef = transferObject.Comment2,
PurchaseDescription = transferObject.Comment1,
PaymentTotal = (int)(transferObject.Amount * 100),
ReturnUrl = returnUrl,
IntegraCode = transferObject.GeneralLedgerCode,
IsMediated = transferObject.IsMediated,
FundCode = Shared.Capita.Default.FundCode,
VatCode = transferObject.VatCode,
VatRate = transferObject.VatRate
};
if (transferObject.SaveCard != null)
{
request.SaveCard = true;
request.CardHolderId = MessageContentUtility.TruncateAndStripDisallowed(transferObject.SaveCard.PayerReference, 50, null);
}
//Call Capita web service to set up the payment
CapitaInvokeResponse response = InvokeRequest(request);
if (response != null && !response.Error)
{
//call this action method to save scpReference into PendingPayment table
saveProviderReference(configuration, transferObject, response.ScpReference);
RedirectResult resultView = new RedirectResult(response.RedirectUrl, true);
var sendToPaymentLogMessage = PaymentFrameworkUtility.DescribeActionResultForLogging(resultView, true);
this.Logger.CreateEntry(typeof(CapitaPaymentProvider), LogLevel.Info, sendToPaymentLogMessage);
return(resultView);
}
else
{
string errorMessage = "Capita Server returns null response.";
if (response != null)
{
errorMessage += " " + response.ErrorMessage;
}
this.Logger.CreateEntry(typeof(CapitaPaymentProvider), LogLevel.Error, errorMessage);
return(new HttpStatusCodeResult(HttpStatusCode.InternalServerError));
}
}
public void TruncateAndStripDisallowed()
{
this.CustomerNumber = MessageContentUtility.TruncateAndStripDisallowed(this.CustomerNumber, disallowedCharacters: RealexFields.RealexFieldProductIdDisallowRegex);
this.VarReference = MessageContentUtility.TruncateAndStripDisallowed(this.VarReference, truncateTo: 50, disallowedCharacters: RealexFields.RealexFieldVarRefDisallowRegex);
this.ProductCode = MessageContentUtility.TruncateAndStripDisallowed(this.ProductCode, truncateTo: 50, disallowedCharacters: RealexFields.RealexFieldProductIdDisallowRegex);
}
