/**
  * Handles connecting to our API via `wp_remote_post()`. This function is responsible for pushing the notification
  * details to our push notification server which will then process everything and validate the API request before
  * sending it.
  *
  * @param string $title
  * @param string $body
  * @param string $action
  * @param array $url_arguments
  * @return bool
  */
 public static function send_message($title = '', $body = '', $action = '', $url_arguments = array())
 {
     $username = PushUp_Notifications_Core::get_username();
     $api_key = PushUp_Notifications_Core::get_api_key();
     if (empty($username) || empty($api_key)) {
         return false;
     }
     $params = array('method' => 'POST', 'timeout' => 12, 'sslverify' => false, 'body' => array('title' => $title, 'body' => $body, 'action' => $action, 'username' => $username, 'api_key' => $api_key, 'url_arguments' => $url_arguments, 'mode' => self::$_recipient_mode, 'domain' => PushUp_Notifications_Core::get_site_url()));
     if (self::$_recipient_mode === 'single') {
         if (is_null(self::$_device_token)) {
             return false;
         }
         $params['body']['device_token'] = self::$_device_token;
     }
     /**
      * Filter the push notifications API URL.
      *
      * @since 1.0.0
      *
      * @param string $_api_url The push notifications API URL.
      */
     $api_url = apply_filters('pushup_notifications_api_url', self::$_api_url) . '/send';
     // Default return value
     $retval = array('time' => current_time('timestamp'), 'status' => 'error');
     // Attempt to make the remote request
     $result = wp_remote_post($api_url, $params);
     if (is_wp_error($result)) {
         return $retval;
     }
     // Parse the body of the json request
     $body = wp_remote_retrieve_body($result);
     $data = @json_decode($body, true);
     if (!is_array($data)) {
         return $retval;
     }
     // Set the status to 'pushed'
     if (isset($data['status']) && $data['status'] === 'ok') {
         $retval['status'] = 'pushed';
     }
     // Return the return value
     return $retval;
 }
 /**
  * Sets this domain's website name via the JSON API.
  *
  * @param string $name
  * @return bool
  */
 public static function set_website_name($name = '', $username = '', $api_key = '')
 {
     return self::perform_authenticated_query(array('push.domain.config.setWebsiteName' => array('domain' => PushUp_Notifications_Core::get_site_url(), 'website_name' => sanitize_text_field($name))), $username, $api_key);
 }
 /**
  * Get any pre-existing authentication data, if it exists.
  *
  * @return mixed False if no data exists. Array of data if data exists.
  */
 public static function get_authentication_data()
 {
     // Get the required data for a valid authentication
     $domain = PushUp_Notifications_Core::get_site_url();
     $websitePushID = PushUp_Notifications_Core::get_website_push_id();
     $userID = PushUp_Notifications_Core::get_user_id();
     // Return an array of authenticated data if valid
     if (!empty($domain) && !empty($websitePushID) && !empty($userID)) {
         return array('domain' => $domain, 'website_push_id' => $websitePushID, 'user_id' => $userID);
     }
     // Return false if not a valid authentication
     return false;
 }