Login.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Login.aspx.cs" Inherits="NetstairOTPTest.Login" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>OTP Testing</title>
<asp:PlaceHolder runat="server">
<%: Scripts.Render("~/bundles/modernizr") %>
</asp:PlaceHolder>
<webopt:bundlereference runat="server" path="~/Content/css" />
<link href="~/favicon.ico" rel="shortcut icon" type="image/x-icon" />
</head>
<body>
<form id="form1" runat="server">
<div class="panel panel-default">
<div class="panel-body">Login</div>
<div class="form-group">
<label for="InputEmail">Username</label>
<asp:TextBox ID="txtUsername" CssClass="form-control" aria-describedby="emailHelp" placeholder="Enter email" runat="server" required></asp:TextBox>
</div>
<div class="form-group">
<label for="InputPassword">Password</label>
<asp:TextBox ID="txtPassword" CssClass="form-control" TextMode="Password" runat="server" placeholder="Password" required></asp:TextBox>
</div>
<div class="form-check">
<input type="checkbox" class="form-check-input" id="exampleCheck1">
<label class="form-check-label" for="exampleCheck1">Remember Me</label>
</div>
<p> </p>
<asp:Button ID="btnSubmit" CssClass="btn btn-primary" Text="Submit" OnClick="btnSubmit_Click" runat="server" />
</div>
</form>
</body>
</html>Login.aspx.c#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace NetstairOTPTest
{
public partial class Login : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
}
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
Session["authenticateuser"] = txtUsername.Text;
if (NetstairOTP.VerifyAccess.IsTheDeviceAccessVerified(txtUsername.Text, Request.UserHostAddress.ToString(), Request.Browser.Browser.ToString(), Session.SessionID.ToString()))
{
Response.Redirect("~/"); //- Go Home
}
else
{
Response.Redirect("~/Verify.aspx"); //- Verify Authentication
}
}
}
}
}Verify.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Verify.aspx.cs" Inherits="NetstairOTPTest.Verify" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>OTP testing</title>
</head>
<body>
<form id="form1" runat="server">
<div class="panel panel-default">
<div class="panel-body">One-time password Verification</div>
<div class="form-group">
<label for="InputCode">OTP Code</label>
<asp:TextBox ID="txtOTPCode" runat="server" placeholder="OTP Code" required></asp:TextBox>
</div>
<p> </p>
<asp:Button ID="btnSubmit" CssClass="btn btn-primary" Text="Submit" OnClick="btnSubmit_Click" runat="server" />
</div>
</form>
</body>
</html>Verify.aspx.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace NetstairOTPTest
{
public partial class Verify : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
}
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
string Authenticated_Username = "";
if (Session["authenticateuser"] != null)
{
Authenticated_Username = Session["authenticateuser"].ToString();
}
var OTPCode_Value = Request.Form["txtotpcode"].ToString();
if (NetstairOTP.VerifyAccess.IsValidVerificationOTPCode(OTPCode_Value, Authenticated_Username, Request.Browser.Browser.ToString(), Session.SessionID))
{
Response.Redirect("~/login.aspx");
}
else
{
Response.Write("Invalid Code");
}
}
}
}
}You will need this table to be created in your database
SET ANSI_NULLS ON
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[Access_Log](
[logId] [int] IDENTITY(1,1) NOT NULL,
[log_date] [datetime] NULL,
[user_name] [varchar](255) NULL,
[browser_type] [varchar](255) NULL,
[remoteIp] [varchar](50) NULL,
[access_code] [varchar](50) NULL,
[platform_os] [varchar](120) NULL,
[location] [varchar](255) NULL,
[referenceId] [varchar](255) NULL,
CONSTRAINT [PK_Access_Log] PRIMARY KEY CLUSTERED
(
[logId] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
NetstairOTP.dll needs to be referenced to your project. [Click here to download]-->
NetstairOTP.dll
Download whole test project here [Click on NetstairOTPTest.zip to download]