Rippchen/login.php
2025-04-15 20:29:16 +02:00

52 lines
1.5 KiB
PHP

<?php
include 'db_connection.php';
session_start();
if (isset($_SESSION['username'])) {
header("Location: index.php"); // Redirect to a logged-in page
exit();
}
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$username = sanitize_input($_POST['username']);
$password = sanitize_input($_POST['password']);
$sql = "SELECT id, username, password FROM User WHERE username='$username'";
$result = $conn->query($sql);
if ($result->num_rows == 1) {
$row = $result->fetch_assoc();
if (password_verify($password, $row['password'])) {
$_SESSION['username'] = $row['username'];
$_SESSION['user_id'] = $row['id'];
header("Location: index.php"); // Redirect after successful login
exit();
} else {
$login_error = "Invalid username or password.";
}
} else {
$login_error = "Invalid username or password.";
}
}
$conn->close();
?>
<!DOCTYPE html>
<html>
<head>
<title>Login</title>
</head>
<body>
<h2>Login</h2>
<?php if (isset($login_error)): ?>
<p style="color:red;"><?php echo $login_error; ?></p>
<?php endif; ?>
<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>">
Username: <input type="text" name="username" required><br><br>
Password: <input type="password" name="password" required><br><br>
<input type="submit" value="Login">
</form>
<p>Don't have an account? <a href="register.php">Register here</a></p>
</body>
</html>