| | 119 | {{{#!sql |
| | 120 | <?php |
| | 121 | session_start(); |
| | 122 | session_regenerate_id(true); |
| | 123 | |
| | 124 | // Rate limiting check |
| | 125 | if (isset($_SESSION['login_attempts']) && $_SESSION['login_attempts'] > 5) { |
| | 126 | $timeout = 300; // 5 minutes timeout |
| | 127 | if (time() - $_SESSION['last_attempt'] < $timeout) { |
| | 128 | header("Location: /Sign&Log.php?error=TOO_MANY_ATTEMPTS"); |
| | 129 | exit(); |
| | 130 | } else { |
| | 131 | $_SESSION['login_attempts'] = 0; |
| | 132 | } |
| | 133 | } |
| | 134 | |
| | 135 | // Input validation |
| | 136 | if (empty($_POST['username']) || empty($_POST['password'])) { |
| | 137 | header("Location: /Sign&Log.php?error=INVALID_CREDENTIALS"); |
| | 138 | exit(); |
| | 139 | } |
| | 140 | |
| | 141 | require 'connect.php'; |
| | 142 | |
| | 143 | try { |
| | 144 | $username = trim(htmlspecialchars($_POST['username'])); |
| | 145 | |
| | 146 | $sql = "SELECT * FROM Users WHERE username = :username"; |
| | 147 | $stmt = $conn->prepare($sql); |
| | 148 | $stmt->bindParam(':username', $username, PDO::PARAM_STR); |
| | 149 | $stmt->execute(); |
| | 150 | |
| | 151 | if ($stmt->rowCount() <= 0) { |
| | 152 | $_SESSION['login_attempts'] = isset($_SESSION['login_attempts']) ? $_SESSION['login_attempts'] + 1 : 1; |
| | 153 | $_SESSION['last_attempt'] = time(); |
| | 154 | header("Location: /Sign&Log.php?error=INVALID_CREDENTIALS"); |
| | 155 | exit(); |
| | 156 | } |
| | 157 | |
| | 158 | $res = $stmt->fetch(PDO::FETCH_ASSOC); |
| | 159 | |
| | 160 | if (!password_verify($_POST['password'], $res['password'])) { |
| | 161 | $_SESSION['login_attempts'] = isset($_SESSION['login_attempts']) ? $_SESSION['login_attempts'] + 1 : 1; |
| | 162 | $_SESSION['last_attempt'] = time(); |
| | 163 | header("Location: /Sign&Log.php?error=INVALID_CREDENTIALS"); |
| | 164 | exit(); |
| | 165 | } |
| | 166 | |
| | 167 | $_SESSION['username'] = $username; |
| | 168 | $_SESSION['userid'] = $res['userid']; |
| | 169 | $_SESSION['role'] = $res['role']; |
| | 170 | $_SESSION['last_activity'] = time(); |
| | 171 | $_SESSION['ip_address'] = $_SERVER['REMOTE_ADDR']; |
| | 172 | |
| | 173 | $_SESSION['login_attempts'] = 0; |
| | 174 | |
| | 175 | // Redirect based on role |
| | 176 | if ($res['role'] == 'Admin') { |
| | 177 | header("Location: ./Admin.php"); |
| | 178 | } else { |
| | 179 | header("Location: ./HomePage.php"); |
| | 180 | } |
| | 181 | |
| | 182 | } catch (PDOException $e) { |
| | 183 | error_log("Login error: " . $e->getMessage()); |
| | 184 | header("Location: /Sign&Log.php?error=SERVER_ERROR"); |
| | 185 | exit(); |
| | 186 | } |
| | 187 | }}} |