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login.php
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login.php
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<?php
include('functions/connect.php');
// Initialize the session
session_start();
// YHA
$_SESSION['timestamp'] = time();
// Check if the user is already logged in, if yes then redirect him to welcome page
if (isset($_SESSION["loggedin"]) && $_SESSION["loggedin"] === true) {
header("location: index.php");
exit;
}
// Define variables and initialize with empty values
$email = $password = "";
$email_err = $password_err = "";
// Processing form data when form is submitted
if($_SERVER["REQUEST_METHOD"] == "POST"){
// Check if username is empty
if(empty(trim($_POST["email"]))){
$email_err = "Please enter username.";
} else{
$email = trim($_POST["email"]);
}
// Check if password is empty
if(empty(trim($_POST["passkey"]))){
$password_err = "Please enter your password.";
} else{
$password = trim($_POST["passkey"]);
}
// Validate credentials
if(empty($email_err) && empty($password_err)){
// Prepare a select statement
$sql = "SELECT id, firstname, lastname, email, username, passkey, designation_id FROM users WHERE email = ?";
if($stmt = mysqli_prepare($connection, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "s", $param_username);
// Set parameters
$param_username = $email;
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
// Store result
mysqli_stmt_store_result($stmt);
// Check if username exists, if yes then verify password
if(mysqli_stmt_num_rows($stmt) == 1){
// Bind result variables
mysqli_stmt_bind_result($stmt, $id, $firstname, $lastname, $email, $username, $hashed_password, $usertype) ;
if(mysqli_stmt_fetch($stmt)){
if(password_verify($password, $hashed_password)){
// Password is correct, so start a new session
session_start();
// Store data in session variables
session_regenerate_id();
$fullname = $firstname. " " . $lastname;
$_SESSION["loggedin"] = true;
$_SESSION["userid"] = $id;
$_SESSION["fullname"] = $fullname;
$_SESSION["designation"] = $usertype;
$_SESSION["email"] = $email;
$_SESSION["username"] = $username;
// $_SESSION["lastname"] = $lastname;
session_write_close();
// Redirect user to welcome page
if ($stmt->num_rows ==1 && $_SESSION["loggedin"] == True) {
header("location: index.php");
}
} else{
// Display an error message if password is not valid
$password_err = "The password you entered was not valid.";
}
}
} else{
// Display an error message if username doesn't exist
$email_err = "No account found with that Email.";
}
} else{
echo "Oops! Something went wrong. Please try again later.";
}
}
// Close statement
mysqli_stmt_close($stmt);
}
// Close connection
mysqli_close($connection);
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="">
<title>Farm Survey</title>
<!-- Custom fonts for this template-->
<link href="vendor/fontawesome-free/css/all.min.css" rel="stylesheet" type="text/css">
<link href="https://fonts.googleapis.com/css?family=Nunito:200,200i,300,300i,400,400i,600,600i,700,700i,800,800i,900,900i" rel="stylesheet">
<!-- Custom styles for this template-->
<link href="css/sb-admin-2.css" rel="stylesheet">
</head>
<body class="bg-gradient-light">
<div class="container">
<!-- Outer Row -->
<div class="row justify-content-center">
<div class="col-xl-10 col-lg-12 col-md-9">
<div class="card o-hidden border-0 shadow-lg my-5">
<div class="card-body p-0">
<!-- Nested Row within Card Body -->
<div class="row">
<div class="col-lg-6 d-none d-lg-block bg-login-image"></div>
<div class="col-lg-6">
<div class="p-5">
<div class="text-center">
<h1 class="h4 text-gray-900 mb-4">Welcome Back!</h1>
</div>
<form class="user" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<div class="form-group">
<input type="email" class="form-control form-control-user" id="exampleInputEmail" aria-describedby="emailHelp" placeholder="Enter Email Address..." name="email">
<span class="help-block"><?php echo $email_err; ?></span>
</div>
<div class="form-group">
<input type="password" class="form-control form-control-user" id="exampleInputPassword" placeholder="Password" name="passkey">
<span class="help-block"><?php echo $password_err; ?></span>
</div>
<button type="submit" class="btn btn-primary btn-user btn-block">
Login
</button>
</form>
<hr>
<div class="text-center">
<a class="small" href="forgot_password.php">Forgot Password?</a>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- Bootstrap core JavaScript-->
<script src="vendor/jquery/jquery.min.js"></script>
<script src="vendor/bootstrap/js/bootstrap.bundle.min.js"></script>
<!-- Core plugin JavaScript-->
<script src="vendor/jquery-easing/jquery.easing.min.js"></script>
<!-- Custom scripts for all pages-->
<script src="js/sb-admin-2.min.js"></script>
</body>
</html>