"k8s.io/apiserver/pkg/authorization/authorizer"
)

// unionAuthzHandler authorizer against a chain of authorizer.Authorizer
type unionAuthzHandler []authorizer.Authorizer

// New returns an authorizer that authorizes against a chain of authorizer.Authorizer objects
func New(authorizationHandlers ...authorizer.Authorizer) authorizer.Authorizer {
	return unionAuthzHandler(authorizationHandlers)
}

		return authorizer.DecisionAllow, "", nil
	}
	return authorizer.DecisionNoOpinion, "", nil
}

// authorizeStatusUpdate authorizes get/update/patch requests to status subresources of the specified type if they are related to the specified node
func (r *NodeAuthorizer) authorizeStatusUpdate(nodeName string, startingType vertexType, attrs authorizer.Attributes) (authorizer.Decision, string, error) {

const (
	// ModeAlwaysAllow is the mode to set all requests as authorized
	ModeAlwaysAllow string = "AlwaysAllow"
	// ModeAlwaysDeny is the mode to set no requests as authorized
	ModeAlwaysDeny string = "AlwaysDeny"
	// ModeABAC is the mode to use Attribute Based Access Control to authorize
	ModeABAC string = "ABAC"
	// ModeWebhook is the mode to make an external webhook call to authorize
	ModeWebhook string = "Webhook"

					return true
				}
			}
		}
	}
	return false
}

// Authorize implements authorizer.Authorize
func (pl PolicyList) Authorize(ctx context.Context, a authorizer.Attributes) (authorizer.Decision, string, error) {
	for _, p := range pl {
		if matches(*p, a) {
			return authorizer.DecisionAllow, "", nil
		}
	}
	return authorizer.DecisionNoOpinion, "No policy matched.", nil

          its terms and conditions.

       3. Term. The term of this Public License is specified in Section
          6(a).

       4. Media and formats; technical modifications allowed. The
          Licensor authorizes You to exercise the Licensed Rights in
          all media and formats whether now known or hereafter created,
          and to make technical modifications necessary to do so. The

	ModeABAC string = "ABAC"
	// ModeWebhook is the mode to make an external webhook call to authorize
	ModeWebhook string = "Webhook"
	// ModeRBAC is the mode to use Role Based Access Control to authorize
	ModeRBAC string = "RBAC"
	// ModeNode is an authorization mode that authorizes API requests made by kubelets.
	ModeNode string = "Node"

	// PauseVersion indicates the default pause image version for kubeadm

any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.

  11. Patents.

  A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based.  The
work thus licensed is called the contributor's "contributor version".

  A contributor's "essential patent claims" are all patent claims

// Authorization in the Kubelet.
type KubeletWebhookAuthorization struct {
	// cacheAuthorizedTTL is the duration to cache 'authorized' responses from the webhook authorizer.
	CacheAuthorizedTTL metav1.Duration
	// cacheUnauthorizedTTL is the duration to cache 'unauthorized' responses from the webhook authorizer.
	CacheUnauthorizedTTL metav1.Duration
}

// KubeletAuthentication holds the Kubetlet Authentication setttings.

	cs := []struct {
		authorizers []authorizer.Authorizer
		decision    authorizer.Decision
	}{
		{
			authorizers: []authorizer.Authorizer{},
			decision:    authorizer.DecisionNoOpinion,
		},
		{
			authorizers: []authorizer.Authorizer{
				&mockAuthzHandler{decision: authorizer.DecisionNoOpinion},
				&mockAuthzHandler{decision: authorizer.DecisionAllow},

	current atomic.Pointer[authorizerResolver]
}

type authorizerResolver struct {
	authorizer   authorizer.Authorizer
	ruleResolver authorizer.RuleResolver
}

func (r *reloadableAuthorizerResolver) Authorize(ctx context.Context, a authorizer.Attributes) (authorized authorizer.Decision, reason string, err error) {
	return r.current.Load().authorizer.Authorize(ctx, a)
}