entityconnect-8.x-2.0-rc1/src/Access/CustomAccessCheck.php

<?php

namespace Drupal\entityconnect\Access;

use Drupal\Core\Access\AccessCheckInterface;
use Drupal\Core\Access\AccessResultAllowed;
use Drupal\Core\Session\AccountInterface;
use Symfony\Component\Routing\Route;

/**
 * Custom access checking class for entityconnect.
 */
class CustomAccessCheck implements AccessCheckInterface {

  /**
   * {@inheritdoc}
   */
  public function applies(Route $route) {
    return $route->hasRequirement('_entityconnect_access_check');
  }

  /**
   * A custom access check.
   *
   * @param \Drupal\Core\Session\AccountInterface $account
   *   Run access checks for this account.
   *
   * @return \Drupal\Core\Access\AccessResult
   *   If the account has the permissions, isAllowed() will be TRUE,
   *   otherwise isNeutral() will be TRUE.
   */
  public function access(AccountInterface $account) {
    // Check permissions and combine that with any custom access checking
    // needed. Pass forward parameters from the route and/or request as needed.
    return AccessResultAllowed::allowedIfHasPermissions(
      $account,
      ['entityconnect add button', 'entityconnect edit button'],
      'OR');
  }

}