BakeryRequestPolicy.php in Bakery Single Sign-On System 8.2

Namespace

Drupal\bakery\PageCache

File

src/PageCache/BakeryRequestPolicy.php

<?php

namespace Drupal\bakery\PageCache;

use Drupal\Core\PageCache\RequestPolicyInterface;
use Symfony\Component\HttpFoundation\Request;

/**
 * A policy allowing delivery of cached pages when there is no session open.
 *
 * Do not serve cached pages to authenticated users, or to anonymous users when
 * CHOCOLATECHIPCOOKIE exist in the request header.
 */
class BakeryRequestPolicy implements RequestPolicyInterface {

  /**
   * {@inheritdoc}
   */
  public function check(Request $request) {
    if ($this
      ->pregArrayKeyExists('/^CHOCOLATECHIP/', $request->cookies
      ->all())) {
      return self::DENY;
    }
    return NULL;
  }

  /**
   * Check pattern key exist in array.
   *
   * @param string $pattern
   *   Regex pattern to match key.
   * @param array $array
   *   Array from which key needs to be checked.
   *
   * @return int
   *   if found return positive number else -1
   */
  private function pregArrayKeyExists($pattern, $array) {
    $keys = array_keys($array);
    return (int) preg_grep($pattern, $keys);
  }

}

Classes

Name	Description
BakeryRequestPolicy	A policy allowing delivery of cached pages when there is no session open.