}
		seenModes.Insert(authorizer.Type)

		expectedName := GetNameForAuthorizerMode(string(authorizer.Type))
		if expectedName != authorizer.Name {
			allErrors = append(allErrors, fmt.Errorf("expected name %s for authorizer %s instead of %s", expectedName, authorizer.Type, authorizer.Name))
		}

	}

	if missingTypes := requireNonWebhookTypes.Difference(seenModes); missingTypes.Len() > 0 {

	var authzResult *bool
	var authzError error
	// isAuthorized is a small wrapper around credscontroller.Authorize so we only call it once instead of each time in the loop
	isAuthorized := func() bool {
		if authzResult != nil {
			return *authzResult
		}
		res := false
		if err := secrets.Authorize(proxy.VerifiedIdentity.ServiceAccount, proxy.VerifiedIdentity.Namespace); err == nil {
			res = true
		} else {

	"k8s.io/apiserver/pkg/authorization/authorizer"
	"k8s.io/apiserver/pkg/endpoints/handlers/responsewriters"
	"k8s.io/apiserver/pkg/endpoints/request"
	"k8s.io/apiserver/pkg/server/httplog"
)

// WithImpersonation is a filter that will inspect and check requests that attempt to change the user.Info for their requests
func WithImpersonation(handler http.Handler, a authorizer.Authorizer, s runtime.NegotiatedSerializer) http.Handler {

	if err != nil {
		return false, err
	}
	return result.Value() == true, nil
}

type fakeAuthorizer struct {
	decision authorizer.Decision
	reason   string
	err      error
}

func (f fakeAuthorizer) Authorize(ctx context.Context, a authorizer.Attributes) (authorizer.Decision, string, error) {
	return f.decision, f.reason, f.err

	attributesFunc   func(user.Info, *http.Request) authorizer.Attributes
	authorizeFunc    func(authorizer.Attributes) (authorized authorizer.Decision, reason string, err error)
}

func (f *fakeAuth) AuthenticateRequest(req *http.Request) (*authenticator.Response, bool, error) {
	return f.authenticateFunc(req)
}
func (f *fakeAuth) GetRequestAttributes(u user.Info, req *http.Request) authorizer.Attributes {
	return f.attributesFunc(u, req)
}

You'll see the user interface like:

<img src="/img/tutorial/security/image07.png">

Authorize the application the same way as before.

Using the credentials:

Username: `johndoe`
Password: `secret`

!!! check

## List of metrics exposed by MinIO

- MinIO exports Prometheus compatible data by default as an authorized endpoint at `/minio/v2/metrics/cluster`. 
- MinIO exports Prometheus compatible data by default which is bucket centric as an authorized endpoint at `/minio/v2/metrics/bucket`.
- MinIO exports Prometheus compatible data by default which is node centric as an authorized endpoint at `/minio/v2/metrics/node`.

	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

	}
	log.Debugf("cached authorization for user %s: %v", user, response)
	s.authorizationCache[key] = authorizationResponse{
		expiration: time.Now().Add(expDelta),
		authorized: response,
	}
}

func (s *CredentialsController) Authorize(serviceAccount, namespace string) error {
	user := sa.MakeUsername(namespace, serviceAccount)
	if cached, f := s.cachedAuthorization(user); f {
		return cached
	}

				from             echo.Instances
				authorizeSidecar bool
				drSelector       string
				expectedResponse ingressutil.ExpectedResponse
			}{
				// Mutual TLS origination from an authorized sidecar to https endpoint
				{
					name:             "authorized sidecar",
					credentialToUse:  credNameGeneric,
					from:             apps.Ns1.A,
					drSelector:       "a",
					authorizeSidecar: true,