| 8 | {{{#!sql |
| 9 | <?php |
| 10 | session_start(); |
| 11 | |
| 12 | if ($_SERVER["REQUEST_METHOD"] !== "POST") { |
| 13 | header("Location: /Sign&Log.php"); |
| 14 | exit(); |
| 15 | } |
| 16 | |
| 17 | // Basic input validation |
| 18 | if (empty($_POST['email'])) { |
| 19 | header("Location: /Sign&Log.php?error=INVALID_EMAIL"); |
| 20 | exit(); |
| 21 | } |
| 22 | if (empty($_POST['username'])) { |
| 23 | header("Location: /Sign&Log.php?error=INVALID_USERNAME&email=" . urlencode($_POST['email'])); |
| 24 | exit(); |
| 25 | } |
| 26 | if (empty($_POST["password"])) { |
| 27 | header("Location: /Sign&Log.php?error=INVALID_PASSWORD&email=" . urlencode($_POST['email']) . "&username=" . urlencode($_POST['username'])); |
| 28 | exit(); |
| 29 | } |
| 30 | |
| 31 | $input_name = trim(htmlspecialchars($_POST['username'])); |
| 32 | $input_email = filter_var($_POST['email'], FILTER_VALIDATE_EMAIL); |
| 33 | $input_password = $_POST['password']; |
| 34 | $role = 'Member'; |
| 35 | |
| 36 | // Additional validation |
| 37 | if (!$input_email) { |
| 38 | header("Location: /Sign&Log.php?error=INVALID_EMAIL"); |
| 39 | exit(); |
| 40 | } |
| 41 | |
| 42 | // Password strength validation |
| 43 | if (strlen($input_password) < 8) { |
| 44 | header("Location: /Sign&Log.php?error=WEAK_PASSWORD&email=" . urlencode($_POST['email']) . "&username=" . urlencode($input_name)); |
| 45 | exit(); |
| 46 | } |
| 47 | |
| 48 | // Username validation (alphanumeric and underscore only) |
| 49 | if (!preg_match('/^[a-zA-Z0-9_]+$/', $input_name)) { |
| 50 | header("Location: /Sign&Log.php?error=INVALID_USERNAME_FORMAT&email=" . urlencode($_POST['email'])); |
| 51 | exit(); |
| 52 | } |
| 53 | |
| 54 | try { |
| 55 | require 'connect.php'; |
| 56 | |
| 57 | // Check for existing username |
| 58 | $stmt = $conn->prepare("SELECT COUNT(*) FROM Users WHERE username = :username"); |
| 59 | $stmt->bindParam(':username', $input_name, PDO::PARAM_STR); |
| 60 | $stmt->execute(); |
| 61 | |
| 62 | if ($stmt->fetchColumn() > 0) { |
| 63 | header("Location: /Sign&Log.php?error=USERNAME_TAKEN&email=" . urlencode($_POST['email'])); |
| 64 | exit(); |
| 65 | } |
| 66 | |
| 67 | // Check for existing email |
| 68 | $stmt = $conn->prepare("SELECT COUNT(*) FROM Users WHERE email = :email"); |
| 69 | $stmt->bindParam(':email', $input_email, PDO::PARAM_STR); |
| 70 | $stmt->execute(); |
| 71 | |
| 72 | if ($stmt->fetchColumn() > 0) { |
| 73 | header("Location: /Sign&Log.php?error=EMAIL_TAKEN&username=" . urlencode($input_name)); |
| 74 | exit(); |
| 75 | } |
| 76 | |
| 77 | // Hash password |
| 78 | $hashed_password = password_hash($input_password, PASSWORD_ARGON2ID, [ |
| 79 | 'memory_cost' => 65536, |
| 80 | 'time_cost' => 4, |
| 81 | 'threads' => 3 |
| 82 | ]); |
| 83 | |
| 84 | // Insert new user |
| 85 | $stmt = $conn->prepare(' |
| 86 | INSERT INTO Users (username, email, password, role) |
| 87 | VALUES (:username, :email, :password, :role) |
| 88 | '); |
| 89 | |
| 90 | $stmt->bindParam(':username', $input_name, PDO::PARAM_STR); |
| 91 | $stmt->bindParam(':email', $input_email, PDO::PARAM_STR); |
| 92 | $stmt->bindParam(':password', $hashed_password, PDO::PARAM_STR); |
| 93 | $stmt->bindParam(':role', $role, PDO::PARAM_STR); |
| 94 | |
| 95 | $stmt->execute(); |
| 96 | |
| 97 | session_regenerate_id(true); |
| 98 | $_SESSION['username'] = $input_name; |
| 99 | $_SESSION['userid'] = $conn->lastInsertId(); |
| 100 | $_SESSION['role'] = $role; |
| 101 | $_SESSION['last_activity'] = time(); |
| 102 | $_SESSION['ip_address'] = $_SERVER['REMOTE_ADDR']; |
| 103 | |
| 104 | // Redirect to homepage after successful registration |
| 105 | header("Location: ./HomePage.php"); |
| 106 | exit(); |
| 107 | |
| 108 | } catch (PDOException $e) { |
| 109 | error_log("Registration error: " . $e->getMessage()); |
| 110 | header("Location: /Sign&Log.php?error=SERVER_ERROR"); |
| 111 | exit(); |
| 112 | } |
| 113 | }}} |