(NOW() - INTERVAL 10 MINUTE)"));
$failed_login_count = intval($row['failed_login_count']);
if ($failed_login_count >= 15) {
// Logging
logAction("Login", "Blocked", "$session_ip was blocked access to login due to IP lockout");
// Inform user & quit processing page
header("HTTP/1.1 429 Too Many Requests");
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'];
$config_login_remember_me_expire = intval($row['config_login_remember_me_expire']);
// 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 = '$email' AND user_archived_at IS NULL AND user_status = 1 AND user_type = 1"));
// Check password
if ($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']);
$session_user_id = $user_id; // to pass the user_id to logAction function
$user_email = sanitizeInput($row['user_email']);
$token = sanitizeInput($row['user_token']);
$force_mfa = intval($row['user_config_force_mfa']);
$user_role = intval($row['user_role']);
$user_encryption_ciphertext = $row['user_specific_encryption_ciphertext'];
$user_extension_key = $row['user_extension_key'];
$mfa_is_complete = false; // Default to requiring MFA
$extended_log = ''; // Default value
if (empty($token)) {
// MFA is not configured
$mfa_is_complete = true;
}
// Validate MFA via a remember-me cookie
if (isset($_COOKIE['rememberme'])) {
// Get remember tokens less than $config_login_remember_me_days_expire days old
$remember_tokens = mysqli_query($mysqli, "SELECT remember_token_token FROM remember_tokens WHERE remember_token_user_id = $user_id AND remember_token_created_at > (NOW() - INTERVAL $config_login_remember_me_expire DAY)");
while ($row = mysqli_fetch_assoc($remember_tokens)) {
if (hash_equals($row['remember_token_token'], $_COOKIE['rememberme'])) {
$mfa_is_complete = true;
$extended_log = 'with 2FA remember-me cookie';
break;
}
}
}
// Validate MFA code
if (!empty($current_code) && TokenAuth6238::verify($token, $current_code)) {
$mfa_is_complete = true;
$extended_log = 'with 2FA';
}
if ($mfa_is_complete) {
// MFA Completed successfully
// FULL LOGIN SUCCESS
// Create a remember me token, if requested
if (isset($_POST['remember_me'])) {
// TODO: Record the UA and IP a token is generated from so that can be shown later on
$newRememberToken = bin2hex(random_bytes(64));
setcookie('rememberme', $newRememberToken, time() + 86400*$config_login_remember_me_expire, "/", null, true, true);
mysqli_query($mysqli, "INSERT INTO remember_tokens SET remember_token_user_id = $user_id, remember_token_token = '$newRememberToken'");
$extended_log .= ", generated a new remember-me token";
}
// 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 = '$session_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 = '$session_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: $session_ip User Agent: $session_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' => $body
]
];
addToMailQueue($data);
}
// Logging
logAction("Login", "Success", "$user_name successfully logged in $extended_log", 0, $user_id);
// Session info
$_SESSION['user_id'] = $user_id;
$_SESSION['user_name'] = $user_name;
$_SESSION['user_type'] = 1;
$_SESSION['user_role'] = $user_role;
$_SESSION['csrf_token'] = randomString(156);
$_SESSION['logged'] = true;
// Forcing MFA
if ($force_mfa == 1 && $token == NULL) {
$secretMFA = key32gen();
$config_start_page = "post.php?enable_2fa_force&token=$secretMFA&csrf_token=$_SESSION[csrf_token]";
}
// Setup encryption session key
if (isset($user_encryption_ciphertext)) {
$site_encryption_master_key = decryptUserSpecificKey($user_encryption_ciphertext, $password);
generateUserSessionKey($site_encryption_master_key);
// Setup extension - currently unused
//if (is_null($user_extension_key)) {
// Extension cookie
// Note: Browsers don't accept cookies with SameSite None if they are not HTTPS.
//setcookie("user_extension_key", "$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 = $user_id");
//}
}
if (isset($_GET['last_visited'])) {
header("Location: ".$_SERVER["REQUEST_SCHEME"] . "://" . $config_base_url . base64_decode($_GET['last_visited']) );
} else {
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
logAction("Login", "MFA Failed", "$user_name failed MFA", 0, $user_id);
// Email the tech to advise their credentials may be compromised
if (!empty($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.