Вход в личный кабинет Creating the interfaces
Next, create the login page of the application. Copy/Paste the code below and configure it the way you want the UI looks. Save the file as login.php.
Creating the php main class
The application that we are creating will be using an OOP Approach in writing the back-end scripts of the app. The class includes the database configuration and send mail function. Save the code file below as MainClass.php.
Demo video
There you go. You can now test the application on your end and check if it is working properly and achieves the goal I stated above. If there’s an error occurred on your end, review your codes with the codes I provided above. You can also download the source code I created for this tutorial. The download link/button is located after this article.
That ends this tutorial. I hope this will help you with what you are looking for and you’ll find it useful with your current or future projects.
Explore more on this website for more Tutorials and Free Source Codes.
Related Links:
Email otp verification using php in live server – geeksforgeeks
<!DOCTYPE html>
<html lang="en">
<?php
session_start();
$otp=$_SESSION["OTP"];
if(isset($_SESSION["logged-in"])){
header("Location:profile.php");
}
$username="sign up";
$login_btn="Login";
if(isset($_SESSION["username"])){
$username=$_SESSION["username"];
$login_btn="Logout";
}
if($_SERVER["REQUEST_METHOD"]=="POST"){
$con=mysqli_connect('localhost',
'database_username',
'database_pass','database_name');
if(!$con)
echo("failed to connect to database");
$username1=$_POST['username'];
$prefix="_";
$username=$prefix.$username1;
$password=$_POST['Password'];
$repassword=$_POST['RePassword'];
$email1=$_POST['Email'];
$email=strval($email1);
if($password!=$repassword){
echo("<script>alert('password not matches')</script>");
}
else{
if(strlen($password)<8){
echo(
"<script>alert('password length must be atleast 8')</script>");
}
else{
$query="insert into 1_user(username,email,password)
values('$username','$email','$password')";
$sql= "SELECT id,username, password FROM 1_user";
$result= $con->query($sql);
$username_already_exist=false;
$email_already_exist=false;
if(($result->num_rows)> 0){
while($row= $result->fetch_assoc()) {
" - username= ". $row["username"] .
" password= ". $row["password"] . "<br>";
if($row["username"]==$username){
$username_already_exist=true;
break;
}
if($row["email"]==$email){
$email_already_exist=true;
break;
}
}
}
if($username_already_exist==false){
$from="support@libraryatcoer.tk";
$to=$email;
$subject="verify-account-otp";
$otp=rand(100000,999999);
$message=strval($otp);
$headers="From:".$from;
if(mail($to,$subject,$message,$headers)){
$_SESSION["username"]=$username;
$_SESSION["OTP"]=$otp;
$_SESSION["Email"]=$email;
$_SESSION["Password"]=$password;
$_SESSION["registration-going-on"]="1";
header("Location:verify-otp.php");
}
else
echo("mail send faild");
}
else{
echo(
"<script>alert('username already taken')</script>");
}
}
}
}
?>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible"content="IE=edge">
<meta name="viewport"content=
"width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet"type="text/css"
href="css/style.css"media="screen"/>
<!-- adding bootstrap -->
<link rel="stylesheet"href=
integrity=
"sha384-Gn5384xqQ1aoWXA 058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm"
crossorigin="anonymous">
integrity=
"sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
crossorigin="anonymous">
</script>
<script src=
integrity=
"sha384-ApNbgh9B Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
crossorigin="anonymous">
</script>
<script src=
integrity=
"sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5 76PVCmYl"
crossorigin="anonymous">
</script>
<div class="nav-bar">
<div class="title">
<h3>welcome to my website</h3>
</div>
</div>
</head>
<body>
<form class="form-register"
action="register.php"method="POST">
<div class="form-group">
<label>username</label>
<input type="text"class="form-control"
name="username"id="username"
aria-describedby="emailHelp"
placeholder="username"required>
</div>
<div class="form-group">
<label>Email</label>
<input type="email"class="form-control"
name="Email"id="Email"
placeholder="Email"required>
</div>
<div class="form-group">
<label>Password</label>
<input type="password"class="form-control"
name="Password"id="Password"
placeholder="Password"required>
</div>
<div class="form-group">
<label>Password</label>
<input type="password"
class="form-control"name="RePassword"
id="RePassword"placeholder="RePassword"
required>
</div>
<button type="submit"
class="btn btn-primary btn-lg">
Register
</button>
<button type="button"
class="btn btn-warning btn-lg"
id="login-button">
Already Registered
</button>
</form>
<script>
$("#login-button").click(function() {
window.location.replace("index.php");
});
</script>
</body>
</html>
Generating the code
You can also generate the verification code yourself using the library.
print TokenAuth6238::getTokenCodeDebug($secretkey,0);
Generating the qrcode for google authenticator
You can also generate the image that can be used by mobile device to configure authentication program
Getting started
Download and Install XAMPP as your virtual server in your local machine. Also, download Bootstrap and jQuery for the design of the application that we will be creating.
Issues
If you come across any issues please report them here
Phpotp
PHP Implementation of the OTP algorithm
Two factor authentication in PHP
I hope it could help you to make your applications more secure. Two factor authentication adds one more step into the authentication process and therefore provides a mechanism to provide more security for your systems.
Step 1
Open you google account’s settings.
Step 2
Navigate the page into the ‘security’ and click the link on turning on less secure apps.
Step 3
Toggle to allow less secure apps.
Usage
You need additional tool to send SMS. This module only takes care of the verification part.
Verification process
OTP verification is done in the following steps:
What is it?
This is a simple script written in php to verify One Time Password (OTP) without any database. You can read the blog post here to understand the technique and motivation.
Setting-up the xampp to send mail
First, locate your XAMPP’s php.ini file and open it with your favorite text editor such as notepad or sublime text. Next, in your text editor find the mail configuration by searching it using “[mail function]”. Then, follow the configuration shown in the image below.
Next, setup the XAMPP’s sendmail configuration. Locate and open the sendmail.ini file in your text editor. Then, follow the configuration shown in the image below.
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