35890-vm/login.php
2025-11-21 21:40:28 +00:00

68 lines
2.2 KiB
PHP

<?php
session_start();
require_once 'db/config.php';
if (isset($_SESSION['user_id'])) {
header("Location: chat.php");
exit;
}
$error = '';
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$username = trim($_POST['username']);
$password = $_POST['password'];
if (empty($username) || empty($password)) {
$error = 'Please fill in all fields.';
} else {
$stmt = db()->prepare("SELECT id, password FROM users WHERE username = ?");
$stmt->execute([$username]);
$user = $stmt->fetch();
if ($user && password_verify($password, $user['password'])) {
$_SESSION['user_id'] = $user['id'];
$_SESSION['username'] = $username;
header("Location: chat.php");
exit;
} else {
$error = 'Invalid username or password.';
}
}
}
require_once 'includes/header.php';
?>
<div class="container">
<div class="row justify-content-center">
<div class="col-md-6">
<div class="card mt-5">
<div class="card-body">
<h3 class="card-title text-center">Login</h3>
<?php if ($error): ?>
<div class="alert alert-danger"><?php echo $error; ?></div>
<?php endif; ?>
<form action="login.php" method="post">
<div class="form-group mb-3">
<label for="username">Username</label>
<input type="text" class="form-control" id="username" name="username" required>
</div>
<div class="form-group mb-3">
<label for="password">Password</label>
<input type="password" class="form-control" id="password" name="password" required>
</div>
<button type="submit" class="btn btn-primary w-100">Login</button>
</form>
<div class="text-center mt-3">
<p>Don't have an account? <a href="register.php">Register here</a></p>
</div>
</div>
</div>
</div>
</div>
</div>
<?php require_once 'includes/footer.php'; ?>