prevent_unsafe_login-8.x-1.x-dev/src/UrlSchemeCacheContext.php

<?php

namespace Drupal\prevent_unsafe_login;

use Drupal\Core\Cache\CacheableMetadata;
use Drupal\Core\Cache\Context\CacheContextInterface;
use Drupal\Core\Cache\Context\RequestStackCacheContextBase;

/**
 * Defines the UrlCacheContext service, for "per page" caching.
 *
 * Cache context ID: 'url.site.scheme__prevent_unsafe_login'.
 */
class UrlSchemeCacheContext extends RequestStackCacheContextBase implements CacheContextInterface {

  /**
   * {@inheritdoc}
   */
  public static function getLabel() {
    return t('Url schema (http or https)');
  }

  /**
   * {@inheritdoc}
   */
  public function getContext() {
    return $this->requestStack->getCurrentRequest()->getScheme();
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheableMetadata() {
    return new CacheableMetadata();
  }

}