protected void CheckIncomeHash()
{
List <PayeerAccountDetails> gateWays = TableHelper.SelectRows <PayeerAccountDetails>(TableHelper.MakeDictionary("IsActive", true));
bool isOk = false;
foreach (var gateway in gateWays)
{
try
{
string toHash = TransactionID + ":" + PaymentMethod + ":" + context.Request["m_operation_date"] + ":" + context.Request["m_operation_pay_date"]
+ ":" + MerchantAccount + ":" + OrderID + ":" + Amount + ":" + Currency + ":" + Args + ":" + Status + ":"
+ gateway.SecretKey;
string hash = HashingManager.SHA256(toHash).ToUpper();
CheckHash(SentHash, hash);
isOk = true;
}
catch (Exception ex) { }
}
//if (!isOk)
// throw new MsgException("Bad income hash");
}
protected override string generate(string itemName, Money amount, string command, object[] args)
{
NVPStringBuilder nvps = new NVPStringBuilder();
string orderId = HashingManager.GenerateMD5(AppSettings.Site.Name + DateTime.Now).ToLower();
orderId = orderId.Substring(0, Math.Min(orderId.Length, 31));
string description = command + "#" + String.Join(ArgsDelimeter + "", args);
description = itemName + " **" + description;
string toHash = account.MerchantID + ":" + orderId + ":" + amount.ToShortClearString() + ":" + AppSettings.Site.CurrencyCode
+ ":" + HashingManager.Base64Encode(description) + ":" + account.SecretKey;
string hash = HashingManager.SHA256(toHash).ToUpper();
nvps.Append("m_shop", account.MerchantID)
.Append("m_orderid", orderId)
.Append("m_amount", amount.ToShortClearString())
.Append("m_curr", AppSettings.Site.CurrencyCode)
.Append("m_desc", HashingManager.Base64Encode(description))
.Append("m_sign", hash);
return(HandlerUrl + '?' + nvps.Build());
}
/// <summary>
/// Creates some general payza button
/// </summary>
/// <param name="itemName">Name describing the item or service. Max Length: 50 characters</param>
/// <param name="amount">The price or cost of the product or service. The value for
/// amount must be positive. Null or negative numbers are not allowed.</param>
/// <param name="command">Describes how handler should handle IPN request.
/// Stored in field apc_1. Max Length: 100 characters</param>
/// <param name="args">
/// Custom values you can pass along with the payment button.
/// The values are not displayed to the payer on our Pay Process page.
/// Payza returns these fields back in the IPN.
/// Used by IIpnHandler ('command')
/// Stored in fields apc_2 - apc_6. Max Length: 100 characters
/// </param>
/// <returns>Http address where member should be redirected after clicking button.</returns>
protected override string generate(string itemName, Money amount, string command, object[] args)
{
string orderId = HashingManager.GenerateMD5(AppSettings.Site.Name + DateTime.Now).ToLower();
string signature = String.Format("{0}:{1}:{2}:{3}:{4}:{5}", account.AccountEmail,
account.SCIName, amount.ToShortClearString(), AppSettings.Site.CurrencyCode,
AdvCashAccount.APIPassword, orderId);
signature = HashingManager.SHA256(signature).ToLower();
NVPStringBuilder nvps = new NVPStringBuilder();
nvps.Append("ac_account_email", account.AccountEmail)
.Append("ac_sci_name", account.SCIName)
.Append("ac_comments", itemName.Substring(0, Math.Min(itemName.Length, ItemNameMaxLength)))
.Append("ac_amount", amount.ToShortClearString())
.Append("ac_currency", AppSettings.Site.CurrencyCode)
.Append("ac_status_url", AppSettings.Site.Url + "Handlers/Payment/AdvCash.ashx")
.Append("ac_success_url ", ButtonGenerationStrategy.SUCCESS_URL)
.Append("ac_fail_url", ButtonGenerationStrategy.FAILURE_URL)
.Append("ac_sign", signature)
.Append("ac_order_id", orderId)
.Append("acm_command", command)
.Append("acm_args", String.Join(ArgsDelimeter + "", args));
return(Handler + '?' + nvps.Build());
}
protected void CheckIncomeHash()
{
string toHash = TransactionID + ":" + context.Request.QueryString["ac_start_date"] + ":" + context.Request.QueryString["ac_sci_name"] +
":" + context.Request.QueryString["ac_src_wallet"]
+ ":" + MerchantAccount + ":" + OrderID + ":" + context.Request.QueryString["ac_amount"] + ":" + Currency + ":" + AdvCashAccount.APIPassword;
string hash = HashingManager.SHA256(toHash);
CheckHash(SentHash, hash);
}
public static void CreateRedirect()
{
string key = HashingManager.SHA256(DateTime.Now + AppSettings.Offerwalls.UniversalHandlerPassword + SessionStateKey).ToLower();
HttpContext.Current.Session[SessionStateKey] = key;
var systemRedirectUri = GetRedirectUrl(key);
HttpContext.Current.Response.Redirect(systemRedirectUri);
}
private authDTO getAuthDTO()
{
authDTO dto = new authDTO();
dto.apiName = accountDetails.APIName;
DateTime UtcNow = DateTime.UtcNow;
dto.authenticationToken = HashingManager.SHA256(AdvCashAccount.APIPassword + ":" + UtcNow.ToString("yyyyMMdd") + ":" + UtcNow.ToString("HH"));
dto.accountEmail = accountDetails.AccountEmail;
return(dto);
}
public static ApiAccessToken GetOrCreate(int userId)
{
var tokens = TableHelper.GetListFromRawQuery <ApiAccessToken>(String.Format(
"SELECT * FROM ApiAccessTokens WHERE UserId = {0} AND ExpiresDate >= '{1}'", userId, AppSettings.ServerTime.ToDBString()));
ApiAccessToken result = null;
if (tokens.Count > 0)
{
result = tokens[0];
}
else
{
result = new ApiAccessToken();
result.UserId = userId;
result.ExpiresDate = DateTime.Now.AddDays(7);
result.Token = HashingManager.SHA512HMAC(HashingManager.GenerateMD5(userId + DateTime.Now.ToString()),
HashingManager.SHA256(AppSettings.Offerwalls.UniversalHandlerPassword + userId + DateTime.Now));
result.Save();
}
return(result);
}
//Method return MsgException
public void SaveOnClient(string fileName, string filePath)
{
if (_Stream == null)
{
throw new ArgumentNullException();
}
using (var client = new WebClient())
{
var values = new NameValueCollection();
values["p"] = HashingManager.SHA256(AppSettings.Offerwalls.UniversalHandlerPassword);
values["fn"] = HttpUtility.UrlEncode(fileName);
values["fp"] = HttpUtility.UrlEncode(filePath);
values["h"] = HttpUtility.UrlEncode(Serialize());
//Send request to proper handler
string urlPost = AppSettings.Site.Url + "Handlers/CustomFileCreator.ashx";
try
{
var response = client.UploadValues(urlPost, values);
string responseString = Encoding.Default.GetString(response);
if (responseString != OfferwallFileManager.RESPONSE_OK_CODE)
{
throw new MsgException(responseString);
}
Path = filePath + fileName;
}
catch (Exception ex)
{
throw new MsgException(ex.Message);
}
}
}
private string buildTransactionRequestString(TransactionRequest request, ref string queryString)
{
string transactionID = HashingManager.GenerateMD5(DateTime.Now + request.MemberName + AppSettings.Offerwalls.UniversalHandlerPassword);
var arrayToHash = new string[] { accountDetails.APIKey, accountDetails.APISecret, "json", accountDetails.LocationId.ToString(), "live" };
var DataToHash = String.Join(".", arrayToHash);
var user = new Member(request.MemberName);
string hash = HashingManager.SHA256(DataToHash).ToLower();
//We need to convert money from our currency to KES
var moneyToBeSent = CurrencyExchangeHelper.Calculate(request.Payment, "KES");
queryString = String.Format("format=json&api_key={0}&hash={1}&location_id={2}&mode=live",
accountDetails.APIKey, hash, accountDetails.LocationId.ToString());
return(new NVPStringBuilder()
.Append("format", "json")
.Append("api_key", accountDetails.APIKey)
.Append("hash", hash)
.Append("location_id", accountDetails.LocationId)
.Append("mode", "live")
.Append("beneficiaries[0][gateway]", "mpesa")
.Append("beneficiaries[0][phone]", request.PayeeId)
.Append("beneficiaries[0][trans_reference]", transactionID)
.Append("beneficiaries[0][description]", request.Note)
.Append("beneficiaries[0][first_name]", user.FirstName)
.Append("beneficiaries[0][last_name]", user.SecondName)
.Append("beneficiaries[0][amount]", moneyToBeSent.ToShortClearString())
.Append("beneficiaries[0][callback_url]", AppSettings.Site.Url + "Handlers/Payment/MPesaSapamaX.ashx")
.Append("beneficiaries[0][callback_http_method]", "GET")
.Append("beneficiaries[0][message]", HttpUtility.UrlEncode(AppSettings.Payments.TransactionNote))
.Append("beneficiaries[0][short_code]", accountDetails.Username)
.Append("beneficiaries[0][currency]", "KES")
.Build());
}
string CreateHash()
{
string input = AppSettings.Offerwalls.UniversalHandlerPassword + ((int)AppSettings.ServerTime.Subtract(new DateTime(1970, 1, 1)).TotalSeconds).ToString();
return(HashingManager.SHA256(input));
}