public static ServiceRequestManager GetSessionInstance()
{
if (_instance == null)
{
_instance = new ServiceRequestManager();
}
return(_instance);
}
//Input: UserName, Session_ID
//ChungNN - 01/2009
public OutputInfo CheckValid(string UserName, string Session_ID, string Request_ID, string MerchantID, string targetMsIsdn, Int32 amount, ref string ProviderCode)
{
OutputInfo outObj = new OutputInfo();
TransferProcess proObj = new TransferProcess();
HttpApplication appObj = new HttpApplication();
string strIPAddress = HttpContext.Current.Request.UserHostAddress;
string strSession_ID = Session_ID;
byte nErrorNum = 0;
string strLogMessage = string.Empty;
//0: Successful
//1: Invalid userName or Session_ID
//2: Invalid IP Address
//3: Invalid targetMsIsdn or provider is not exist
//4: Request_ID is exist
//5: Invalid amount
DataSet dsDataList = new DataSet();
DataTable tblResult = new DataTable();
#region Check username and Session_ID.
nErrorNum = 1;
//check username and password is null?
if (UserName != null && Session_ID != null)
{
//check if sessionid is existed
if (ServiceSessionManager.GetSessionInstance().IsExistedSession(UserName, Session_ID))
{
nErrorNum = 0;
}
}
#endregion Check username and Session_ID
#region Check IP address if login successfull
if (nErrorNum == 0)
{
nErrorNum = (byte)((Check_Valid_IPAddress(strIPAddress)? 0:2));
}
#endregion Check IP address if login successfull
#region Check valid targetMsIsdn
if (nErrorNum == 0)
{
dsDataList = null;
dsDataList = Xml_2_DateSet(HttpContext.Current.Server.MapPath("") + "\\" + AppConfiguration.AppData_FileName);
tblResult = dsDataList.Tables["ProviderList"];
HttpContext hc = HttpContext.Current;
if (targetMsIsdn.Length < 10 || targetMsIsdn.Length > 15)
{
nErrorNum = 3;
}
//if no provider to check
else if (tblResult.DefaultView.Count == 0)
{
nErrorNum = 3;
}
else
{
nErrorNum = 3;
string strPrefix = string.Empty;
for (int i = 0; i < tblResult.DefaultView.Count; i++)
{
strPrefix = tblResult.DefaultView[i].Row["Prefix"].ToString();
if (targetMsIsdn.IndexOf(strPrefix, 0, strPrefix.Length) != -1)
{
nErrorNum = 0;
ProviderCode = tblResult.DefaultView[i].Row["ProviderCode"].ToString().Trim();
break;
}
}
}
tblResult = null;
dsDataList = null;
}
#endregion Check valid targetMsIsdn
#region Check valid acmount
if (nErrorNum == 0)
{
if (Array.IndexOf(AppConfiguration.AppAmountArray, amount) == -1)
{
nErrorNum = 5;
}
}
#endregion Check valid acmount
#region Check valid Request_ID
if (nErrorNum == 0)
{
if (UserName != null && Request_ID != null)
{
//check if Request_ID is existed
if (ServiceRequestManager.GetInstance().IsContainRequest(Request_ID, UserName))
{
nErrorNum = 4;
}
else
{
ServiceRequestManager.GetInstance().AddRequest(Request_ID, UserName);
nErrorNum = 0;
}
}
}
#endregion Check valid Trans_ID
#region return and log
if (nErrorNum == 0)
{
outObj.status = "0";
//outObj.message = "Login successfull.";
//strLogMessage = "Login EPay sucessfull. (RequestID=" + Request_ID + ", UserName="******", IPAddress=" + strIPAddress + ")";
}
else
{
outObj.status = nErrorNum.ToString();
outObj.trans_id = "0";
if (nErrorNum == 1)
{
outObj.message = "Invalid user name or session_id.";
strLogMessage = "Load fail, invalid user name or session_id. (RequestID=" + Request_ID + ", UserName="******", IPAddress=" + strIPAddress + ")";
}
else if (nErrorNum == 2)
{
outObj.message = "Invalid IP address.";
strLogMessage = "Load failure, invalid IP address. (RequestID=" + Request_ID + ", UserName="******", IPAddress=" + strIPAddress + ")";
}
else if (nErrorNum == 3)
{
outObj.message = "Invalid phone number or service provider not exist.";
strLogMessage = "Load failure, invalid targetMsIsdn or provider is not exist. (RequestID=" + Request_ID + ", UserName="******", IPAddress=" + strIPAddress + ")";
}
else if (nErrorNum == 4)
{
outObj.message = "Request_ID is exist.";
strLogMessage = "Load failure, request_id is exist. (RequestID=" + Request_ID + ", UserName="******", IPAddress=" + strIPAddress + ")";
}
else if (nErrorNum == 5)
{
outObj.message = "Invalid amount." + amount.ToString();
strLogMessage = "Load failure, ivalid amount. (RequestID=" + Request_ID + ", UserName="******", IPAddress=" + strIPAddress + ")";
}
//write log if error
proObj.WriteLog(strLogMessage);
}
#endregion return and log
return(outObj);
}