basic_auth.module

<?php


/**
 * @file
 * Provides an HTTP Basic authentication provider.
 */
use Drupal\Core\Url;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function basic_auth_help($route_name, RouteMatchInterface $route_match) {
    switch ($route_name) {
        case 'help.page.basic_auth':
            $output = '';
            $output .= '<h2>' . t('About') . '</h2>';
            $output .= '<p>' . t('The HTTP Basic Authentication module supplies an <a href="http://en.wikipedia.org/wiki/Basic_access_authentication">HTTP Basic authentication</a> provider for web service requests. This authentication provider authenticates requests using the HTTP Basic Authentication username and password, as an alternative to using Drupal\'s standard cookie-based authentication system. It is only useful if your site provides web services configured to use this type of authentication (for instance, the <a href=":rest_help">RESTful Web Services module</a>). For more information, see the <a href=":hba_do">online documentation for the HTTP Basic Authentication module</a>.', [
                ':hba_do' => 'https://www.drupal.org/documentation/modules/basic_auth',
                ':rest_help' => \Drupal::moduleHandler()->moduleExists('rest') ? Url::fromRoute('help.page', [
                    'name' => 'rest',
                ])->toString() : '#',
            ]) . '</p>';
            return $output;
    }
}