/**
  * Create/Update API key
  */
 public static function update_api_key()
 {
     ob_start();
     global $wpdb;
     check_ajax_referer('update-api-key', 'security');
     if (!current_user_can('manage_woocommerce')) {
         die(-1);
     }
     try {
         if (empty($_POST['description'])) {
             throw new Exception(__('Description is missing.', 'woocommerce'));
         }
         if (empty($_POST['user'])) {
             throw new Exception(__('User is missing.', 'woocommerce'));
         }
         if (empty($_POST['permissions'])) {
             throw new Exception(__('Permissions is missing.', 'woocommerce'));
         }
         $key_id = absint($_POST['key_id']);
         $description = sanitize_text_field($_POST['description']);
         $permissions = in_array($_POST['permissions'], array('read', 'write', 'read_write')) ? sanitize_text_field($_POST['permissions']) : 'read';
         $user_id = absint($_POST['user']);
         if (0 < $key_id) {
             $data = array('user_id' => $user_id, 'description' => $description, 'permissions' => $permissions);
             $wpdb->update($wpdb->prefix . 'woocommerce_api_keys', $data, array('key_id' => $key_id), array('%d', '%s', '%s'), array('%d'));
             $data['consumer_key'] = '';
             $data['consumer_secret'] = '';
             $data['message'] = __('API Key updated successfully.', 'woocommerce');
         } else {
             $status = 2;
             $consumer_key = 'ck_' . wc_rand_hash();
             $consumer_secret = 'cs_' . wc_rand_hash();
             $data = array('user_id' => $user_id, 'description' => $description, 'permissions' => $permissions, 'consumer_key' => wc_api_hash($consumer_key), 'consumer_secret' => $consumer_secret, 'truncated_key' => substr($consumer_key, -7));
             $wpdb->insert($wpdb->prefix . 'woocommerce_api_keys', $data, array('%d', '%s', '%s', '%s', '%s', '%s'));
             $key_id = $wpdb->insert_id;
             $data['consumer_key'] = $consumer_key;
             $data['consumer_secret'] = $consumer_secret;
             $data['message'] = __('API Key generated successfully. Make sure to copy your new API keys now. You won\'t be able to see it again!', 'woocommerce');
             $data['revoke_url'] = '<a style="color: #a00; text-decoration: none;" href="' . esc_url(wp_nonce_url(add_query_arg(array('revoke-key' => $key_id), admin_url('admin.php?page=wc-settings&tab=api&section=keys')), 'revoke')) . '">' . __('Revoke Key', 'woocommerce') . '</a>';
         }
         wp_send_json_success($data);
     } catch (Exception $e) {
         wp_send_json_error(array('message' => $e->getMessage()));
     }
 }

 public function create_key()
 {
     include_once plugin_dir_path(dirname(__FILE__)) . '/vendor/tenbucks_registration_client/lib/TenbucksRegistrationClient.php';
     $form_is_valid = true;
     $required_fields = array('email', 'email_confirmation');
     foreach ($required_fields as $key) {
         if (!array_key_exists($key, $_POST) || empty($_POST[$key])) {
             $format = __('Field %s is missing.', 'tenbucks');
             return wp_send_json_error(array('message' => sprintf($format, $key), 'field' => $key));
         }
     }
     $post_data = array_map('strtolower', $_POST);
     $email = $post_data['email'];
     $email_confirmation = $post_data['email_confirmation'];
     $sponsor = empty($post_data['sponsor']) ? null : $post_data['sponsor'];
     $error_msg = false;
     if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
         $error_msg = __('Invalid email.', 'tenbucks');
     }
     if ($email !== $email_confirmation) {
         $error_msg = __('Email and confirmation are different.', 'tenbucks');
     }
     if ($error_msg) {
         return wp_send_json_error(array('message' => $error_msg, 'field' => 'email'));
     }
     try {
         global $wpdb;
         // If API disabled, active it
         if (get_option('woocommerce_api_enabled') !== 'yes') {
             update_option('woocommerce_api_enabled', 'yes');
         }
         $key_id = (int) get_option('tenbucks_ak_id');
         $consumer_key = 'ck_' . wc_rand_hash();
         $consumer_secret = 'cs_' . wc_rand_hash();
         $table = $wpdb->prefix . 'woocommerce_api_keys';
         $data = array('user_id' => get_current_user_id(), 'consumer_key' => wc_api_hash($consumer_key), 'consumer_secret' => $consumer_secret, 'truncated_key' => substr($consumer_key, -7));
         if (!$key_id) {
             $data['description'] = 'tenbucks';
             $data['permissions'] = 'read_write';
             $wpdb->insert($table, $data, array('%d', '%s', '%s', '%s', '%s', '%s'));
             update_option('tenbucks_ak_id', $wpdb->insert_id);
         } else {
             $updated_rows = $wpdb->update($table, $data, array('key_id' => $key_id), array('%d', '%s', '%s', '%s'), array('%d'));
             if (!$updated_rows) {
                 update_option('tenbucks_ak_id', 0);
                 return wp_send_json_error(array('message' => __('Keys update failed, please try again.', 'tenbucks')));
             }
         }
         unset($data);
         $client = new TenbucksRegistrationClient();
         $url = get_site_url();
         $lang_infos = explode('_', get_locale());
         $opts = array('email' => $email, 'sponsor' => $sponsor, 'company' => get_bloginfo('name'), 'platform' => 'WooCommerce', 'locale' => $lang_infos[0], 'country' => $lang_infos[1], 'url' => get_site_url(), 'credentials' => array('api_key' => $consumer_key, 'api_secret' => $consumer_secret));
         $query = $client->send($opts);
         $success = array_key_exists('success', $query) && (bool) $query['success'];
         if ($success) {
             // success
             update_option('tenbucks_registration_complete', true);
             if ($query['new_account']) {
                 $msg = __('New account created. Please check your emails to confirm your address and start using tenbucks.', 'tenbucks');
                 $need_reload = false;
             } else {
                 $msg = __('Shop added to your existing account. Page will reload shortly.', 'tenbucks');
                 $need_reload = true;
             }
             return wp_send_json_success(array('message' => $msg, 'needReload' => $need_reload));
         } else {
             return wp_send_json_error(array('message' => __('Creation failed, please try again.', 'tenbucks')));
         }
     } catch (Exception $e) {
         return wp_send_json_error(array('message' => $e->getMessage()));
     }
 }

 /**
  * Create keys.
  *
  * @since  2.4.0
  *
  * @param  string $app_name
  * @param  string $app_user_id
  * @param  string $scope
  *
  * @return array
  */
 protected function create_keys($app_name, $app_user_id, $scope)
 {
     global $wpdb;
     $description = sprintf(__('%s - API %s (created on %s at %s).', 'woocommerce'), wc_clean($app_name), $this->get_i18n_scope($scope), date_i18n(wc_date_format()), date_i18n(wc_time_format()));
     $user = wp_get_current_user();
     // Created API keys.
     $permissions = in_array($scope, array('read', 'write', 'read_write')) ? sanitize_text_field($scope) : 'read';
     $consumer_key = 'ck_' . wc_rand_hash();
     $consumer_secret = 'cs_' . wc_rand_hash();
     $wpdb->insert($wpdb->prefix . 'woocommerce_api_keys', array('user_id' => $user->ID, 'description' => $description, 'permissions' => $permissions, 'consumer_key' => wc_api_hash($consumer_key), 'consumer_secret' => $consumer_secret, 'truncated_key' => substr($consumer_key, -7)), array('%d', '%s', '%s', '%s', '%s', '%s'));
     return array('key_id' => $wpdb->insert_id, 'user_id' => $app_user_id, 'consumer_key' => $consumer_key, 'consumer_secret' => $consumer_secret, 'key_permissions' => $permissions);
 }

 /**
  * Direct copy of how API keys are generated via AJAX in WooCommerce
  *
  * @return boolean
  */
 private function generate_v2_api_keys($user_id)
 {
     global $wpdb;
     $consumer_key = 'ck_' . wc_rand_hash();
     $consumer_secret = 'cs_' . wc_rand_hash();
     $data = array('user_id' => $user_id, 'description' => 'TaxJar', 'permissions' => 'read', 'consumer_key' => wc_api_hash($consumer_key), 'consumer_secret' => $consumer_secret, 'truncated_key' => substr($consumer_key, -7));
     $wpdb->insert($wpdb->prefix . 'woocommerce_api_keys', $data, array('%d', '%s', '%s', '%s', '%s', '%s'));
     $key_id = $wpdb->insert_id;
     return array('consumer_key' => $consumer_key, 'consumer_secret' => $consumer_secret);
 }