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ASP Script for creating pin game
This page gives you the source code for an ASP script, that is used
in the SMS PIN Game demo.
<%@ Page Language="C#"%>
<%@ Import Namespace="System" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.Common" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<%
/************************************************************
* copy the properties of the incoming SMS into local variables
************************************************************/
string sender = Request.QueryString["sender"];
string receiver = Request.QueryString["receiver"];
string messagedata = Request.QueryString["messagedata"];
string messageid = Request.QueryString["messageid"];
string messagetype = Request.QueryString["messagetype"];
string senttime = Request.QueryString["senttime"];
string receivedtime = Request.QueryString["receivedtime"];
string serviceprovider = Request.QueryString["operatornames"];
string respmsg = "Hello, the following message was received: "+messagedata+
". The message was sent at " + senttime;
/************************************************************
* Connect to the database
***********************************************************/
bool connectedToDb;
SqlConnection conn = new SqlConnection();;
try
{
string sServer = ".\\SQLEXPRESS";
string sUser = "ozekiuser";
string sPwd = "ozekipass";
string sDB = "ozeki";
string connectionString = "Server=" + sServer + ";User ID=" + sUser + ";" +
"password=" + sPwd + ";Database=" + sDB + ";Persist Security Info=True";
conn.ConnectionString = connectionString;
conn.Open();
connectedToDb = true;
}
catch (Exception e)
{
respmsg = "Cannot connect to database." + e.Message;
connectedToDb = false;
}
/************************************************************
* Create database tables if they do not exist
***********************************************************/
if (connectedToDb)
{
string sql1 =
"if not exists(select * from INFORMATION_SCHEMA.tables where TABLE_NAME = 'pincode') "+
" CREATE TABLE pincode ( "+
"id int IDENTITY (1,1),"+
"pincode varchar(30),"+
"response varchar(160),"+
"used varchar(1)"+
")";
try {
SqlCommand cmd1 = conn.CreateCommand();
cmd1.CommandText = sql1;
cmd1.ExecuteNonQuery();
} catch (Exception exp) {
respmsg = "Cannot create database table: "+exp.Message;
}
}
/************************************************************
* Put some test data into the database
***********************************************************/
if (connectedToDb)
{
string sql2 =
"if not exists(select * from pincode) " +
"begin " +
" INSERT INTO pincode (pincode,response,used ) VALUES ('3345','The treasure is behind the picture on the wall','0');" +
" INSERT INTO pincode (pincode,response,used ) VALUES ('4578','The treasure is under the pillow','0');" +
"end";
try {
SqlCommand cmd2 = conn.CreateCommand();
cmd2.CommandText = sql2;
cmd2.ExecuteNonQuery();
} catch (Exception exp) {
respmsg = "Cannot create test data: "+exp.Message;
}
}
/************************************************************
* Process incoming message
***********************************************************/
if (connectedToDb)
{
string pincode = messagedata.ToLower().Trim();
string sql3 = "select used,response from pincode where pincode='" + pincode + "'";
try
{
SqlCommand cmd3 = conn.CreateCommand();
cmd3.CommandText = sql3;
DbDataReader reader = cmd3.ExecuteReader();
if (!reader.Read())
{
respmsg = "Invalid pin code '" + pincode + "'.";
reader.Close();
}
else
{
string used = reader.GetValue(0).ToString();
string treasurelocation = reader.GetValue(1).ToString();
reader.Close();
if (used != "0")
{
respmsg = "The PIN code is correct, but this treasure has been taken.";
}
else
{
respmsg = treasurelocation;
//update the database to mark the treasure as taken
SqlCommand cmd4 = conn.CreateCommand();
cmd4.CommandText = "update pincode set used='1' where pincode='" + pincode + "'";
cmd4.ExecuteNonQuery();
}
}
//Close database connection
conn.Close();
}
catch (Exception exp)
{
respmsg = "Invalid pin code. It could not be processed by the database. " + exp.Message;
}
}
//************************************************************
//create the response message(s). Format description:
//http://www.ozekisms.com/index.php?owpn=355
//************************************************************
string destnum = sender;
string resptype = "SMS:TEXT";
string resp = "{"+resptype+"}{}{}{"+destnum+"}{"+respmsg+"}";
Response.Write(resp);
%>
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