(NOW() - INTERVAL 10 MINUTE)"));
$failed_login_count = intval($row['failed_login_count']);
if ($failed_login_count >= 15) {
// Logging
mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = 'Blocked', log_description = '$ip was blocked access to login due to IP lockout', log_ip = '$ip', log_user_agent = '$user_agent'");
// Inform user & quit processing page
exit("
$config_app_name
Your IP address has been blocked due to repeated failed login attempts. Please try again later.
This action has been logged.");
}
// Query Settings for company
$sql_settings = mysqli_query($mysqli, "SELECT * FROM settings LEFT JOIN companies ON settings.company_id = companies.company_id WHERE settings.company_id = 1");
$row = mysqli_fetch_array($sql_settings);
// Company info
$company_name = $row['company_name'];
$company_logo = $row['company_logo'];
$config_start_page = nullable_htmlentities($row['config_start_page']);
$config_login_message = nullable_htmlentities($row['config_login_message']);
// Mail
$config_smtp_host = $row['config_smtp_host'];
$config_smtp_port = intval($row['config_smtp_port']);
$config_smtp_encryption = $row['config_smtp_encryption'];
$config_smtp_username = $row['config_smtp_username'];
$config_smtp_password = $row['config_smtp_password'];
$config_mail_from_email = sanitizeInput($row['config_mail_from_email']);
$config_mail_from_name = sanitizeInput($row['config_mail_from_name']);
// Client Portal Enabled
$config_client_portal_enable = intval($row['config_client_portal_enable']);
// Login key (if setup)
$config_login_key_required = $row['config_login_key_required'];
$config_login_key_secret = $row['config_login_key_secret'];
// Login key verification
// If no/incorrect 'key' is supplied, send to client portal instead
if ($config_login_key_required) {
if (!isset($_GET['key']) || $_GET['key'] !== $config_login_key_secret) {
header("Location: portal");
exit();
}
}
// HTTP-Only cookies
ini_set("session.cookie_httponly", true);
// Tell client to only send cookie(s) over HTTPS
if ($config_https_only || !isset($config_https_only)) {
ini_set("session.cookie_secure", true);
}
// Handle POST login request
if (isset($_POST['login'])) {
// Sessions should start after the user has POSTed data
session_start();
// Passed login brute force check
$email = sanitizeInput($_POST['email']);
$password = $_POST['password'];
$current_code = 0; // Default value
if (isset($_POST['current_code'])) {
$current_code = intval($_POST['current_code']);
}
$row = mysqli_fetch_assoc(mysqli_query($mysqli, "SELECT * FROM users LEFT JOIN user_settings on users.user_id = user_settings.user_id WHERE user_email = '$email' AND user_archived_at IS NULL AND user_status = 1"));
// Check password
if ($row && password_verify($password, $row['user_password'])) {
// User password correct (partial login)
// Set temporary user variables
$user_name = sanitizeInput($row['user_name']);
$user_id = intval($row['user_id']);
$user_email = sanitizeInput($row['user_email']);
$token = sanitizeInput($row['user_token']);
$force_mfa = intval($row['user_config_force_mfa']);
$remember_token = $row['user_config_remember_me_token'];
if($force_mfa == 1 && $token == NULL) {
$config_start_page = "user_security.php";
}
$bypass_2fa = false;
if (isset($_COOKIE['rememberme']) && $_COOKIE['rememberme'] == $remember_token) {
$bypass_2fa = true;
} elseif (empty($token) || TokenAuth6238::verify($token, $current_code)) {
$bypass_2fa = true;
}
if ($bypass_2fa) {
if (isset($_POST['remember_me'])) {
$newRememberToken = bin2hex(random_bytes(64));
setcookie('rememberme', $newRememberToken, time() + 86400*14, "/", null, true, true);
$updateTokenQuery = "UPDATE user_settings SET user_config_remember_me_token = '$newRememberToken' WHERE user_id = $user_id";
mysqli_query($mysqli, $updateTokenQuery);
}
// FULL LOGIN SUCCESS - 2FA not configured or was successful
// Check this login isn't suspicious
$sql_ip_prev_logins = mysqli_fetch_assoc(mysqli_query($mysqli, "SELECT COUNT(log_id) AS ip_previous_logins FROM logs WHERE log_type = 'Login' AND log_action = 'Success' AND log_ip = '$ip' AND log_user_id = $user_id"));
$ip_previous_logins = sanitizeInput($sql_ip_prev_logins['ip_previous_logins']);
$sql_ua_prev_logins = mysqli_fetch_assoc(mysqli_query($mysqli, "SELECT COUNT(log_id) AS ua_previous_logins FROM logs WHERE log_type = 'Login' AND log_action = 'Success' AND log_user_agent = '$user_agent' AND log_user_id = $user_id"));
$ua_prev_logins = sanitizeInput($sql_ua_prev_logins['ua_previous_logins']);
// Notify if both the user agent and IP are different
if (!empty($config_smtp_host) && $ip_previous_logins == 0 && $ua_prev_logins == 0) {
$subject = "$config_app_name new login for $user_name";
$body = "Hi $user_name,
A recent successful login to your $config_app_name account was considered a little unusual. If this was you, you can safely ignore this email!
IP Address: $ip User Agent: $user_agent
If you did not perform this login, your credentials may be compromised.
Thanks, ITFlow";
$data = [
[
'from' => $config_mail_from_email,
'from_name' => $config_mail_from_name,
'recipient' => $user_email,
'recipient_name' => $user_name,
'subject' => $subject,
'body' => $body
]
];
addToMailQueue($mysqli, $data);
}
// Determine whether 2FA was used (for logs)
$extended_log = ''; // Default value
if ($current_code !== 0) {
$extended_log = 'with 2FA';
}
// Logging successful login
mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = 'Success', log_description = '$user_name successfully logged in $extended_log', log_ip = '$ip', log_user_agent = '$user_agent', log_user_id = $user_id");
// Session info
$_SESSION['user_id'] = $user_id;
$_SESSION['user_name'] = $user_name;
$_SESSION['user_role'] = intval($row['user_role']);
$_SESSION['csrf_token'] = randomString(156);
$_SESSION['logged'] = true;
// Setup encryption session key
if (isset($row['user_specific_encryption_ciphertext']) && $row['user_role'] > 1) {
$user_encryption_ciphertext = $row['user_specific_encryption_ciphertext'];
$site_encryption_master_key = decryptUserSpecificKey($user_encryption_ciphertext, $password);
generateUserSessionKey($site_encryption_master_key);
// Setup extension
if (isset($row['user_extension_key']) && !empty($row['user_extension_key'])) {
// Extension cookie
// Note: Browsers don't accept cookies with SameSite None if they are not HTTPS.
setcookie("user_extension_key", "$row[user_extension_key]", ['path' => '/', 'secure' => true, 'httponly' => true, 'samesite' => 'None']);
// Set PHP session in DB, so we can access the session encryption data (above)
$user_php_session = session_id();
mysqli_query($mysqli, "UPDATE users SET user_php_session = '$user_php_session' WHERE user_id = $user_id");
}
}
header("Location: $config_start_page");
} else {
// MFA is configured and needs to be confirmed, or was unsuccessful
// HTML code for the token input field
$token_field = "
";
// Log/notify if MFA was unsuccessful
if ($current_code !== 0) {
// Logging
mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Login', log_action = '2FA Failed', log_description = '$user_name failed 2FA', log_ip = '$ip', log_user_agent = '$user_agent', log_user_id = $user_id");
// Email the tech to advise their credentials may be compromised
if (!empty($config_smtp_host)) {
$subject = "Important: $config_app_name failed 2FA login attempt for $user_name";
$body = "Hi $user_name,
A recent login to your $config_app_name account was unsuccessful due to an incorrect 2FA code. If you did not attempt this login, your credentials may be compromised.