Untitled

<?php
ini_set('display_errors', 'On');
session_start();
include_once 'db/dbconnect.php';
include_once 'classes/User.php';
include_once 'classes/UserDAO.php';

$userDAO = new UserDAO();

if ($_SESSION['user'] != null) {
    header("Location: home.php");
}

if (isset($_POST['btn-login'])) {
    $username = $_POST['username'];
    $upass = $_POST['pass'];

    $newUser = $userDAO->check_login($username, $upass);
    if ($newUser != null) {
        $_SESSION["user"] = $newUser;
        header("Location: home");
    } else {
        ?>
        <script>alert('wrong details');</script>
        <?php
    }

}

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>VoluCron BotWatch</title>
    <link rel="stylesheet" href="css/index.css" type="text/css"/>
    <link rel="shortcut icon" type="image/png" href="resources/favicon.ico"/>
</head>
<body>
<center>
    <img src="resources/mainpage.png">

    <div id="txtindex">
        <h3>
            VoluCron Users: <?php echo $userDAO->getTotalUsers(); ?>
        </h3>
    </div>
    <div id="login-form">
        <form method="post">
            <table align="center" width="30%" border="0">
                <tr>
                    <td><input type="text" name="username" placeholder="Your Username" required/></td>
                </tr>
                <tr>
                    <td><input type="password" name="pass" placeholder="Your Password" required/></td>
                </tr>
                <tr>
                    <td>
                        <button type="submit" name="btn-login">Sign In</button>
                    </td>
                </tr>
            </table>
        </form>
    </div>
    <div class="tos">By logging in you accept our <a href="/resources/VOLUCRONTOS.txt">TOS</a></div>

</center>
</body>
</html>