/**
* @param string $saml_request
*
* @return null
*
* @since 1.1.0
*/
private function handle_saml_request($saml_request)
{
$this->saml_request_service->load_saml_request($saml_request);
if (!$this->saml_request_service->is_timestamp_within_restrictions($this->wp_facade->time())) {
$this->wp_facade->wp_die('Invalid Request', 400);
} elseif (!$this->saml_request_service->is_valid_destination($this->wp_facade->wp_login_url())) {
$this->wp_facade->wp_die('Invalid Request', 400);
} elseif (!($user = $this->wp_facade->get_user_by('login', $this->saml_request_service->get_name()))) {
$this->wp_facade->wp_die('Invalid Request', 400);
} elseif ($this->saml_request_service->get_session_index() != $user->get("launchkey_sso_session")) {
$this->wp_facade->wp_die('Invalid Request', 400);
} else {
$this->wp_facade->update_user_meta($user->ID, 'launchkey_authorized', 'false');
}
}
/**
* Front controller for LaunchKey Native/White Label authentication
*
*
* @param WP_User $user Unused parameter always passed first by authenticate filter
* @param string $username Username specified by the user in the login screen
* @param string $password Password specifiedby the user in the login screen
*
* @since 1.0.0
*/
public function authentication_controller($user, $username, $password)
{
if ($username && empty($password)) {
// If username and no password, user is attempting passwordless login
// Find the user by login
$user = $this->wp_facade->get_user_by('login', $username);
// If we have a user and thatg user is paired
if ($user instanceof WP_User && $user->launchkey_username) {
// Remove username and password authentication
$this->wp_facade->remove_all_filters('authenticate');
// Work Around: Add a bogus filter to make sure that the launchkey_authentication filter will still run
$this->wp_facade->add_filter('authenticate', array($this, 'null_method'));
// Register LaunchKey authentication
$this->wp_facade->add_filter('authenticate', array($this, 'launchkey_user_authentication'), 30, 2);
}
} elseif (!$username && !$password && ($user = $this->wp_facade->wp_get_current_user())) {
// If no username or password and there is a current user, we are validating user is still logged in
if ($user && $user->launchkey_username && 'false' === $user->launchkey_authorized) {
$this->wp_facade->wp_logout();
}
}
}
/**
* Front controller for LaunchKey Native/White Label authentication
*
*
* @param WP_User $user Unused parameter always passed first by authenticate filter
* @param string $username Username specified by the user in the login screen
* @param string $password Password specifiedby the user in the login screen
*
* @since 1.0.0
* @return WP_User
*/
public function authenticate($user, $username, $password)
{
if (empty($user) && empty($username) && empty($password) && !empty($_REQUEST['SAMLResponse'])) {
$response_element = SAML2_DOMDocumentFactory::fromString(base64_decode($_REQUEST['SAMLResponse']))->documentElement;
$signature_info = SAML2_Utils::validateElement($response_element);
try {
SAML2_Utils::validateSignature($signature_info, $this->security_key);
$response = SAML2_StatusResponse::fromXML($response_element);
/** @var SAML2_Assertion[] $assertions */
$assertions = $response->getAssertions();
if (empty($assertions)) {
throw new Exception("No assertions in SAML response");
}
$assertion = $assertions[0];
$name_id = $assertion->getNameId();
$username = $name_id['Value'];
$session_id = $assertion->getSessionIndex();
// Find the user by login
$user = $this->wp_facade->get_user_by('login', $username);
// If we don't have a user, create one
if (!$user instanceof WP_User) {
$attributes = $assertion->getAttributes();
$user_data = array('user_login' => $username, 'user_pass' => '', 'role' => empty($attributes['role']) ? false : $this->translate_role($attributes['role'][0]));
$user_id = $this->wp_facade->wp_insert_user($user_data);
// Unset the password - wp_insert_user always generates a hash - it's misleading
$this->wp_facade->wp_update_user(array('ID' => $user_id, 'user_pass' => ''));
$user = new WP_User($user_id);
}
// Set the SSO session so we know we are logged in via SSSO
$this->wp_facade->update_user_meta($user->ID, 'launchkey_sso_session', $session_id);
} catch (Exception $e) {
$this->wp_facade->wp_redirect($this->error_url);
exit;
}
return $user;
}
}
