public string GetAuthorizationToken(String SessionKey,
String additionalParameters, MobileTokenRequest tokenrequest)
{
string responseString = "";
try
{
if (SessionKey != Hash512("GENTOKEN" + tokenrequest.oneTimePin + tokenrequest.subscriberId))
{
return("67|Security Validation Failed");
}
ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
ServicePointManager.SecurityProtocol =
(SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls) | (SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12);
String httpMethod = "POST";
String resourceUrl = ConfigurationManager.AppSettings["AresourceUrl"];
resourceUrl = resourceUrl.Replace("{0}", tokenrequest.subscriberId);//Set the account number in the end point
String clientId = ConfigurationManager.AppSettings["AclientId"];
String clientSecretKey = ConfigurationManager.AppSettings["AclientSecretKey"];
String signatureMethod = "SHA1";//"SHA-1"
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(resourceUrl);
httpWebRequest.Method = httpMethod;
String clientIdBase64 = GetAsBase64(clientId);
String authorization = AUTHORIZATION_REALM + " " + clientIdBase64;
long timestamp = GetCurrentUnixTimestampMillis() / 1000;
Guid uuid = Guid.NewGuid();
String nonce = uuid.ToString().Replace("-", "").Replace("+", "");
String encodedResourceUrl = UpperCaseUrlEncode(resourceUrl);
String signatureCipher = httpMethod + "&" + encodedResourceUrl + "&"
+ timestamp + "&" + nonce + "&" + clientId + "&"
+ clientSecretKey;
if (!String.IsNullOrWhiteSpace(additionalParameters))
{
signatureCipher = signatureCipher + "&" + additionalParameters;
}
MessageDigest messageDigest = MessageDigest
.GetInstance(signatureMethod);
byte[] signatureBytes = messageDigest
.Digest(Encoding.UTF8.GetBytes(signatureCipher)); // // encode signature as base 64
String signature = Convert.ToBase64String(signatureBytes); //.Replace("+","%2B");
httpWebRequest.Timeout = 60000;
httpWebRequest.ReadWriteTimeout = 60000;
httpWebRequest.ContentType = "application/json";
httpWebRequest.KeepAlive = false;
//httpWebRequest.Headers.Add(HttpRequestHeader.Authorization, authorization);
// httpWebRequest.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
String token = "";
token = GetPassport();
httpWebRequest.Headers.Add(HttpRequestHeader.Authorization, "InterswitchAuth " + clientIdBase64);
httpWebRequest.Headers.Add(TIMESTAMP, timestamp.ToString());
httpWebRequest.Headers.Add(NONCE, nonce);
httpWebRequest.Headers.Add(SIGNATURE_METHOD, signatureMethod);
httpWebRequest.Headers.Add(SIGNATURE, signature);
httpWebRequest.Headers.Add(ACCESS_TOKEN, token);
httpWebRequest.Headers.Add("frontEndPartnerId", tokenrequest.frontEndPartnerId);
//Authorization: Bearer (Access Token)
//httpWebRequest.Headers.Add("Authorization", "eyJhbGciOiJSUzI1NiJ9.eyJzY29wZSI6WyJwcm9maWxlIl0sImV4cCI6MTQ3MTYwODQxNCwianRpIjoiNGM5YzEyODAtZTVjMC00OWQwLTkxOGQtZGJiYTI0NDczYjdlIiwiY2xpZW50X2lkIjoiSUtJQURGQjZGNTNGRUUzQ0U0QjY5MUIzNDNDNTVEMjk1NkJFMUNGNEE5QkMifQ.GY7U2UMVvUHSTqz_ybapCxEIA0jHUQdxXL_iuPOE_rcXecz7n0AzsFbM_Nt9bdOGRszQJ8amB3PUf638BR9lVCRWZU73OXN6G5G6o8t-ZjP2GThc4J-34sLl-yZWGZpP4Fu4uMKgz07276QSvMEPWPIBhvUYS2x1PAgXQXUV4ayGT3ps9ROv2uTkMhKgQsWyMUNsvnWSGDSQbVK7AUPFruYAMk-jxo8loY8T3edqRP-rk7ZO48SiLoNhq-YLTU_RLUK76g8c8RtKphOR2HGXOPW0IInxPKvpM5dItg6VxTdeHiJPnEPMlhVcMbvQjbe");
Logheaders(httpWebRequest.Headers);
String postData = JsonConvert.SerializeObject(tokenrequest);
nLogger.Info(" body", postData);
StreamWriter requestWriter = new StreamWriter(httpWebRequest.GetRequestStream());
requestWriter.Write(postData);
requestWriter.Close();
nLogger.Info("About to Get Response ");
var response = (HttpWebResponse)httpWebRequest.GetResponse();
//nLogger.Info("RESPONSE: " + response.StatusCode);
if (HttpStatusCode.OK == response.StatusCode || HttpStatusCode.Created == response.StatusCode)//Successful
{
// Get the stream containing content returned by the server.
Stream dataStream = response.GetResponseStream();
// Open the stream using a StreamReader for easy access.
StreamReader reader = new StreamReader(dataStream);
// Read the content.
responseString = reader.ReadToEnd();
}
nLogger.Info("responseString " + responseString);
}
catch (WebException ex)
{
try
{
nLogger.Error(ex);
nLogger.Info(ex.StackTrace);
nLogger.Info(ex.Message);
using (WebResponse response = ex.Response)
{
HttpWebResponse httpResponse = (HttpWebResponse)response;
nLogger.Info("Error code: {0}", httpResponse.StatusCode);
nLogger.Info("Status Description: {0}", httpResponse.StatusDescription);
string text = "";
using (Stream data = response.GetResponseStream())
{
text = new StreamReader(data).ReadToEnd();
nLogger.Info(text);
}
}
}
catch
{
}
}
catch (Exception ex)
{
//nLogger.Info(ex);
nLogger.Info(ex.ToString());
}
return(responseString);
}
public CardlessWithdrawalTransaction GeneratePayCode(String SessionKey, String SourceChannel, String AccountNumber, String subscriberID, String oneTimePin, String CIF, decimal Amount)
{
ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
ServicePointManager.SecurityProtocol =
(SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls) | (SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12);
int tokenLifeTimeInMinute = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["tokenLifeExpiryInMinutes"]);
String accountType = "00";//00- All 10-Savings 20-Current
CardlessWithdrawalTransaction transaction = new CardlessWithdrawalTransaction();
try
{
String additionalParameters = "";
MobileTokenRequest tokenrequest = new MobileTokenRequest();
tokenrequest.subscriberId = subscriberID;//Mandatory - AccountNumber
String transactionreference = DateTime.Now.ToString("yyMMddHHmmssfff");
String otp = DateTime.Now.ToString("yyMMddHHmmssfff");
tokenrequest.oneTimePin = oneTimePin;
tokenrequest.providerToken = otp;// GeneratedToken;//
if (IsLive())
{
nLogger.Info("is live credential");
tokenrequest.paymentMethodTypeCode = PaymentMethodTypes.MMO; //Mandatory this is for production,
tokenrequest.frontEndPartnerId = FrontEndPartners.Octopus; //Mandatory this is for production,
tokenrequest.paymentMethodCode = PaymentMethods.Octopus; //Mandatory
}
else
{
nLogger.Info("is test credential");
tokenrequest.frontEndPartnerId = FrontEndPartners.HbOnline; //Mandatory: this code needs to be agreed with ISW
tokenrequest.paymentMethodTypeCode = PaymentMethodTypes.MMO; //Mandatory t
tokenrequest.paymentMethodCode = PaymentMethods.Octopus; //Mandatory
}
//tokenrequest.paymentMethodTypeCode = PaymentMethodTypes.MMO ;//Mandatory this is for test
tokenrequest.tokenLifeTimeInMinutes = tokenLifeTimeInMinute;
tokenrequest.payWithMobileChannel = PayWithMobileChannels.ATM;//ATM, POS,MOBILE and WEB.
//tokenrequest.autoEnroll = "true";
//tokenrequest.accountNo = AccountNumber;
//tokenrequest.accountType = accountType;
tokenrequest.ttid = "1234";
tokenrequest.transactionType = TransactionTypes.CashWithdrawal; //A code to indicate the transaction type e.g Payment, Cash Withdrawal, Deposit
tokenrequest.codeGenerationChannel = CodeGenerationChannels.Mobile; //Conditional//A code to identify the channel where the code is generated e.g. USSD, Mobile et al
tokenrequest.Amount = Amount; // 9000.00;//Conditional
//if (SessionKey != Hash512("GENTOKEN" + AccountNumber + Amount + subscriberID + oneTimePin + SourceChannel + CIF))
if (false)
{
transaction.TransactionReference = "67|Security Validation Failed";
}
else
if ((Amount % 1000) != 0)
{
transaction.TransactionReference = "67|Amount must be in multiples of 1000 (NGN).";
}
else if (Amount > 20000 || Amount < 1000)
{
transaction.TransactionReference = "67|Amount cannot be greater than 20000 and less than 1000.";
}
else
{
String hashKey = Hash512("GENTOKEN" + tokenrequest.oneTimePin + tokenrequest.subscriberId);
nLogger.Info("token request payload :::::: " + JsonSerializer(tokenrequest));
TokenGeneration generation = new TokenGeneration();
String response = generation.GetAuthorizationToken(hashKey, additionalParameters, tokenrequest);
nLogger.Info("Before Getting AUthorisation");
nLogger.Info("response :::::: " + response);
if ((response + "").StartsWith("67|"))
{
transaction.TransactionReference = response;
}
else
if (response.Length > 3)
{
nLogger.Info("response :::2::: " + response);
TokenRequest retobject = JsonConvert.DeserializeObject <TokenRequest>(response);
//Send WICODE to registered Phone Number
//Place Lien On Account
//Check Available Balance
nLogger.Info("response :::3::: " + response);
transaction = new CardlessWithdrawalTransaction()
{
SourceChannel = SourceChannel,
AccountNumber = AccountNumber,
CodeGenerationChannel = tokenrequest.codeGenerationChannel,
CIF = CIF,
FrontEndPartnerId = tokenrequest.frontEndPartnerId,
OneTimePassword = Hash512(tokenrequest.oneTimePin),
PaymentMethodCode = tokenrequest.paymentMethodCode,
PaymentMethodTypeCode = tokenrequest.paymentMethodTypeCode,
PayWithMobileChannel = tokenrequest.payWithMobileChannel,
ProviderToken = tokenrequest.providerToken,
RequestDate = DateTime.Now,
TokenUsageCount = 0,
AmountAuthorized = 0,
TokenLifeTimeInMinutes = tokenrequest.tokenLifeTimeInMinutes,
TransactionAmount = tokenrequest.Amount,
TransactionType = tokenrequest.transactionType,
TransactionReference = transactionreference,
PayWithMobileToken = retobject.payWithMobileToken,
IsCanceled = false,
IsExpired = false,
IsTokenUsed = false
};
String signatureMethod = "SHA1";
String CypherKey = String.Format("{0}|{1}|{2}", transaction.AccountNumber, transaction.ProviderToken, transaction.TransactionType);
MessageDigest messageDigest = MessageDigest
.GetInstance(signatureMethod);
byte[] signatureBytes = messageDigest
.Digest(Encoding.UTF8.GetBytes(CypherKey)); // encode signature as base 64
String signature = Convert.ToBase64String(signatureBytes);
nLogger.Info("response :::5::: " + signature);
transaction.AuthorizationSessionKey = signature;
DateTime ExpiryDate = transaction.RequestDate.Value.AddMinutes(Convert.ToInt32(transaction.TokenLifeTimeInMinutes));
transaction.ExpiryDate = ExpiryDate;
nLogger.Info("response :::6::: " + ExpiryDate);
nLogger.Info("response :::7:: " + JsonConvert.SerializeObject(transaction));
var clearPayCode = transaction.PayWithMobileToken;
//send mail and sms
}
else
{
nLogger.Info(response);
transaction.TransactionReference = "67|Cannot generate Paycode at the moment. Please try again later.";//Could not generate WICode
}
}
}
catch (WebException ex)
{
nLogger.Info(ex.ToString());
try
{
using (WebResponse response = ex.Response)
{
HttpWebResponse httpResponse = (HttpWebResponse)response;
nLogger.Info("Error code: {0}", httpResponse.StatusCode);
nLogger.Info("Status Description: {0}", httpResponse.StatusDescription);
string text = "";
using (Stream data = response.GetResponseStream())
{
text = new StreamReader(data).ReadToEnd();
nLogger.Info(text);
}
}
}
catch
{ nLogger.Info("Something went wrong"); }
transaction.TransactionReference = "67|Cannot generate Paycode at the moment. Please try again later.";
nLogger.Error(ex);
}
catch (Exception ex)
{
transaction.TransactionReference = "67|Cannot generate Paycode at the moment. Please try again later.";
nLogger.Error(ex);
}
return(transaction);
}
