if (!defined('UPDRAFTPLUS_DIR')) die('No direct access allowed.');
abstract class UpdraftPlus_Login {
* Pulls the appropriate message for the given code and translate it before
* returning it to the caller
* @param string $code The code of the message to pull
* @return string - The translated message
abstract protected function translate_message($code);
* Executes login or registration process. Connects and sends request to the UpdraftCentral Cloud
* and returns the response coming from the server
* @param array $data The submitted form data
* @param boolean $register Indicates whether the current call is for a registration process or not. Defaults to false.
* @return array - The response from the request
abstract protected function login_or_register($data, $register = false);
* Handles the actual sending of the request to the remote server (UpdraftCentral Cloud) and pre-checks the response
* and wraps it up for the caller before sending it back
* @param array $data The submitted form data
* @param string $action The name of the action or service that will be triggered in UpdraftCentral Cloud
* @return array - The response from the server
protected function send_remote_request($data, $action) {
$result = wp_remote_post($updraftplus->get_url('mothership').'/?udm_action='.$action,
'headers' => apply_filters('updraftplus_auth_headers', ''),
// If we got an error then we return the WP_Error object itself
// and let the caller handle it.
if (is_wp_error($result)) return $result;
$response = json_decode(wp_remote_retrieve_body($result), true);
if (!is_array($response) || !isset($response['mothership']) || !isset($response['status'])) {
if (preg_match('/has banned your IP address \(([\.:0-9a-f]+)\)/', $result['body'], $matches)) {
return new WP_Error('banned_ip', sprintf(__("UpdraftPlus.com has responded with 'Access Denied'.", 'updraftplus').'<br>'.__("It appears that your web server's IP Address (%s) is blocked.", 'updraftplus').' '.__('This most likely means that you share a webserver with a hacked website that has been used in previous attacks.', 'updraftplus').'<br> <a href="'.apply_filters("updraftplus_com_link", "https://updraftplus.com/unblock-ip-address/").'" target="_blank">'.__('To remove the block, please go here.', 'updraftplus').'</a> ', $matches[1]));
return new WP_Error('unknown_response', sprintf(__('UpdraftPlus.Com returned a response which we could not understand (data: %s)', 'updraftplus'), wp_remote_retrieve_body($result)));
* The ajax based request point of entry for the login process
* @param array $data - The submitted form data
* @param boolean $echo_results - Whether to echo/display the results directly to the user or assign it to a variable
* @return array - Response of the process
public function ajax_process_login($data = array(), $echo_results = true) {
if (isset($data['form_data'])) {
if (is_string($data['form_data'])) {
parse_str($data['form_data'], $form_data);
} elseif (is_array($data['form_data'])) {
$form_data = $data['form_data'];
$response = $this->login_or_register($form_data);
$response = array('error' => true, 'message' => $e->getMessage());
echo json_encode($response);
* The ajax based request point of entry for the registration process
* @param array $data - The submitted form data
* @param boolean $echo_results - Whether to echo/display the results directly to the user or assign it to a variable
* @return array - Response of the process
public function ajax_process_registration($data = array(), $echo_results = true) {
if (isset($data['form_data'])) parse_str($data['form_data'], $form_data);
$response = $this->login_or_register($form_data, true);
$response = array('error' => true, 'message' => $e->getMessage());
echo json_encode($response);