class DefaultRequestPolicy in Drupal 9

The default page cache request policy.

Delivery of cached pages is denied if either the application is running from the command line or the request was not initiated with a safe method (GET or HEAD). Also caching is only allowed for requests without a session cookie.

Hierarchy

• class \Drupal\Core\PageCache\ChainRequestPolicy implements ChainRequestPolicyInterface
  • class \Drupal\Core\PageCache\DefaultRequestPolicy

1 string reference to 'DefaultRequestPolicy'

core.services.yml in core/core.services.yml

core/core.services.yml

1 service uses DefaultRequestPolicy

page_cache_request_policy in core/core.services.yml

Drupal\Core\PageCache\DefaultRequestPolicy

File

core/lib/Drupal/Core/PageCache/DefaultRequestPolicy.php, line 16

Namespace

Drupal\Core\PageCache

class DefaultRequestPolicy extends ChainRequestPolicy {

  /**
   * Constructs the default page cache request policy.
   *
   * @param \Drupal\Core\Session\SessionConfigurationInterface $session_configuration
   *   The session configuration.
   */
  public function __construct(SessionConfigurationInterface $session_configuration) {
    $this
      ->addPolicy(new CommandLineOrUnsafeMethod());
    $this
      ->addPolicy(new NoSessionOpen($session_configuration));
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ChainRequestPolicy::$rules	protected	property	A list of policy rules to apply when this policy is evaluated.
ChainRequestPolicy::addPolicy	public	function	Add a policy to the list of policy rules. Overrides ChainRequestPolicyInterface::addPolicy
ChainRequestPolicy::check	public	function	Determines whether delivery of a cached page should be attempted. Overrides RequestPolicyInterface::check
DefaultRequestPolicy::__construct	public	function	Constructs the default page cache request policy.
RequestPolicyInterface::ALLOW		constant	Allow delivery of cached pages.
RequestPolicyInterface::DENY		constant	Deny delivery of cached pages.