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index.php
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<?php
session_start();
require './config/db.php';
include './config/mail_handler.php';
?>
<!DOCTYPE html>
<html>
<head>
<title>Login | SignUp</title>
<link rel="stylesheet" type="text/css" href="css/customStyle.css">
<link rel="shortcut icon" href="./img/logo.png" type="image/x-icon">
<link href="https://fonts.googleapis.com/css2?family=Jost:wght@500&display=swap" rel="stylesheet">
</head>
<body>
<style>
/* body {
font: normal 14px/100% "Andale Mono", AndaleMono, monospace;
width: 300px;
margin: 0 auto;
display:flex;
align-items:center;
height:100vh;
} */
.Click-here{
display: none;
}
.custom-model-main {
text-align: center;
overflow: hidden;
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 0; /* z-index: 1050; */
-webkit-overflow-scrolling: touch;
outline: 0;
opacity: 0;
-webkit-transition: opacity 0.15s linear, z-index 0.15;
-o-transition: opacity 0.15s linear, z-index 0.15;
transition: opacity 0.15s linear, z-index 0.15;
z-index: -1;
overflow-x: hidden;
overflow-y: auto;
}
.model-open {
z-index: 99999;
opacity: 1;
overflow: hidden;
}
.custom-model-inner {
-webkit-transform: translate(0, -25%);
-ms-transform: translate(0, -25%);
transform: translate(0, -25%);
-webkit-transition: -webkit-transform 0.3s ease-out;
-o-transition: -o-transform 0.3s ease-out;
transition: -webkit-transform 0.3s ease-out;
-o-transition: transform 0.3s ease-out;
transition: transform 0.3s ease-out;
transition: transform 0.3s ease-out, -webkit-transform 0.3s ease-out;
display: inline-block;
vertical-align: middle;
width: 600px;
margin: 30px auto;
max-width: 97%;
}
.custom-model-wrap {
display: block;
width: 100%;
position: relative;
background-color: #fff;
border: 1px solid #999;
border: 1px solid rgba(0, 0, 0, 0.2);
border-radius: 6px;
-webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
background-clip: padding-box;
outline: 0;
text-align: left;
padding: 20px;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
max-height: calc(100vh - 70px);
overflow-y: auto;
}
.model-open .custom-model-inner {
-webkit-transform: translate(0, 0);
-ms-transform: translate(0, 0);
transform: translate(0, 0);
position: relative;
z-index: 999;
}
.model-open .bg-overlay {
background: rgba(0, 0, 0, 0.6);
z-index: 99;
}
.bg-overlay {
background: rgba(0, 0, 0, 0);
height: 100vh;
width: 100%;
position: fixed;
left: 0;
top: 0;
right: 0;
bottom: 0;
z-index: 0;
-webkit-transition: background 0.15s linear;
-o-transition: background 0.15s linear;
transition: background 0.15s linear;
}
.close-btn {
position: absolute;
right: 0;
top: -30px;
cursor: pointer;
z-index: 99;
font-size: 30px;
color: #fff;
}
@media screen and (min-width:800px){
.custom-model-main:before {
content: "";
display: inline-block;
height: auto;
vertical-align: middle;
margin-right: -0px;
height: 100%;
}
}
@media screen and (max-width:799px){
.custom-model-inner{margin-top: 45px;}
}
</style>
<div class="main">
<input type="checkbox" id="chk" aria-hidden="true">
<div class="signup">
<form method="POST" action="index.php">
<label for="chk" aria-hidden="true">Sign up</label>
<input type="text" name="name" placeholder="Full Name" required>
<input type="text" name="txt" placeholder="User name" required="">
<input type="email" name="email" placeholder="Email" required>
<input type="password" name="pswd" placeholder="Password" required="">
<input type="submit" value="Sign up" name="signup">
</form>
</div>
<div class="login">
<form method="POST" action="index.php">
<label for="chk" aria-hidden="true">Login</label>
<input type="text" name="name" placeholder="Username / Email" required="">
<input type="password" name="pswd" placeholder="Password" required="">
<input type="submit" value="Login" name="login">
</form>
</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
<script src="js/jquery.js"></script>
<?php
if(isset($_POST['signup']))
{
if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['signup'])) {
$username = trim(stripslashes($_POST['txt']));
$email = trim(stripslashes($_POST['email']));
$password = trim(stripslashes($_POST['pswd']));
$name = $_POST['name'];
$checkUser = "SELECT * FROM users WHERE username = '$username'";
$result = mysqli_query($conn, $checkUser);
if (mysqli_num_rows($result) > 0) {
$errors[] = "Username already exists.";
echo '
<script>
$(document).ready(function(){
Swal.fire({
icon: "error",
title: "Username already exists!",
});
});
</script>
';
}
// Validate username
if (empty($username)) {
$errors[] = "Username is required.";
echo '
<script>
$(document).ready(function(){
Swal.fire({
icon: "error",
title: "User name is required!",
});
});
</script>
';
} else {
if (!preg_match("/^[a-zA-Z0-9]*$/", $username)) {
$errors[] = "Username must contain only letters and numbers.";
echo '
<script>
$(document).ready(function(){
Swal.fire({
icon: "error",
text: "Only letters and numbers allowed in username!",
});
});
</script>
';
}
}
// Validate email
if (empty($email)) {
$errors[] = "Email is required.";
} else {
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
$errors[] = "Invalid email format.";
}
}
// Validate password
if (empty($password)) {
$errors[] = "Password is required.";
} else {
if (strlen($password) < 6) {
$errors[] = "Password must be at least 6 characters.";
echo '
<script>
$(document).ready(function(){
Swal.fire({
icon: "error",
text: "Password must be at least 6 characters!",
});
});
</script>
';
}
}
// If there are no errors, proceed with form submission (e.g., save to database)
if (empty($errors)) {
// Your code to handle successful form submission goes here
$token = bin2hex(random_bytes(16));
$sql = "INSERT INTO users (`name`, username, email, password, token, pic) VALUES ('$name','$username', '$email', '$password', '$token', './img/user.png')";
if (mysqli_query($conn, $sql)) {
// For OTP verification | using PHP Mailer
$otp = generateOtp();
$q = mysqli_query($conn, "SELECT * FROM users WHERE username = '$username' AND email = '$email'");
$user_id = 0;
while($row = mysqli_fetch_assoc($q)) { $user_id = $row['id']; }
$result = sendMail($username, $email, $otp);
if($result) {
$_SESSION['user_id'] = $user_id;
$_SESSION['username'] = $username;
$_SESSION['email'] = $email;
$_SESSION['token'] = $token;
$current_date = date('Y-m-d H:i:s', time());
$expiry_date = date('Y-m-d H:i:s', strtotime('+5 minutes', time()));
$sql = "INSERT INTO otp (user_id, otp, created_at, expire_at) VALUES ('$user_id', '$otp', '$current_date', '$expiry_date')";
mysqli_query($conn, $sql);
echo '<script>window.location.href = "otp.php?token='.$token.'&email='.$email.'&username='.$username.'";</script>';
exit();
}
if($result == false) {
$sql = "DELETE FROM users WHERE email = '$email' AND username = '$username'";
$que = mysqli_query($conn, $sql);
}
} else {
echo "Error: " . $sql . "<br>" . mysqli_error($conn);
echo '
<script>
$(document).ready(function(){
Swal.fire({
icon: "error",
text: "'. mysqli_error($conn) .'",
});
});
</script>
';
}
}
}
} // SignUp end
// Login Start
if(isset($_POST['login'])) {
$username = trim(stripslashes($_POST['name']));
$password = trim(stripslashes($_POST['pswd']));
$sql = mysqli_query($conn, "SELECT * FROM users WHERE password = '$password' && username = '$username' || email = '$username'");
if(mysqli_num_rows($sql) != 0) {
while($row = mysqli_fetch_assoc($sql)) {
$token = tokenGenerator();
$user_id = $row['id'];
$username = $row['username'];
$sql = mysqli_query($conn, "UPDATE users SET token = '$token', `online` = '1' WHERE id = '$user_id' && username = '$username'");
if($sql) {
$_SESSION['user_id'] = $row['id'];
$_SESSION['username'] = $row['username'];
$_SESSION['email'] = $row['email'];
$_SESSION['token'] = $token;
echo '
<script>
$(document).ready(function(){
Swal.fire({
icon: "success",
text: "Logged in successfully!",
});
});
</script>
';
echo '<script>window.location.href = "dashboard.php";</script>';
exit();
}
}
}else{
echo '
<script>
$(document).ready(function(){
Swal.fire({
icon: "error",
text: "Invalid username or password!",
});
});
</script>
';
}
}
//OTP failed
if(isset($_GET['otp'])) {
if($_GET['otp'] == 'timeout') {
echo '
<script>
$(document).ready(function(){
Swal.fire({
icon: "error",
text: "OTP has expired. Please Register again.",
});
});
</script>
';
}
}
function generateOtp() {
$generator = "1357902468";
$result = "";
for ($i = 1; $i <= 6; $i++) {
$result .= substr($generator, (rand()%(strlen($generator))), 1);
}
return $result;
}
?>
</body>
</html>