"istio.io/istio/pkg/log"
	"istio.io/istio/pkg/wellknown"
)

const (
	anonymousName = "_anonymous_match_nothing_"
)

// Matches the policy name in RBAC filter config with format like ns[default]-policy[some-policy]-rule[1].
var re = regexp.MustCompile(`ns\[(.+)\]-policy\[(.+)\]-rule\[(.+)\]`)

type filterChain struct {
	rbacHTTP []*rbachttp.RBAC
	rbacTCP  []*rbactcp.RBAC
}

type parsedListener struct {

// See the License for the specific language governing permissions and
// limitations under the License.

// The auth package provides support for checking the authentication and authorization policy applied
// in the mesh. It aims to increase the debuggability and observability of auth policies.
// Note: this is still under active development and is not ready for real use.
package authz

import (
	"fmt"
	"io"

   Matching subsets: 
      (Non-matching subsets v1)
   No Traffic Policy
VirtualService: bookinfo
   Route to host "productpage" with weight 30%
   Route to host "productpage2" with weight 20%
   Route to host "productpage3" with weight 50%
   Match: /prefix*
`,
		},
		// have traffic policy
		{
			k8sConfigs: []runtime.Object{
				&corev1.Service{
					ObjectMeta: metav1.ObjectMeta{

	var filenames []string
	var referential bool

	c := &cobra.Command{
		Use:     "validate -f FILENAME [options]",
		Aliases: []string{"v"},
		Short:   "Validate Istio policy and rules files",
		Example: `  # Validate bookinfo-gateway.yaml
  istioctl validate -f samples/bookinfo/networking/bookinfo-gateway.yaml

  # Validate bookinfo-gateway.yaml with shorthand syntax

		Short: "Check AuthorizationPolicy applied in the pod.",
		Long: `Check prints the AuthorizationPolicy applied to a pod by directly checking
the Envoy configuration of the pod. The command is especially useful for inspecting
the policy propagation from Istiod to Envoy and the final AuthorizationPolicy list merged
from multiple sources (mesh-level, namespace-level and workload-level).

	slices.SortFunc(pols, func(a, b *ZtunnelPolicy) int {
		if r := cmp.Compare(a.Namespace, b.Namespace); r != 0 {
			return r
		}
		return cmp.Compare(a.Name, b.Name)
	})
	fmt.Fprintln(w, "NAMESPACE\tPOLICY NAME\tACTION\tSCOPE")

	for _, pol := range pols {
		fmt.Fprintf(w, "%v\t%v\t%v\t%v\n",
			pol.Namespace, pol.Name, pol.Action, pol.Scope)
	}
	return w.Flush()
}

			webhook:        revisionCanonicalWebhookRemote,
			whURL:          remoteValidationURL,
			whSVC:          "",
			whCA:           "ca",
		},
		{
			name:           "webhook-process-failure-policy",
			istioNamespace: "istio-system",
			webhook:        revisionCanonicalWebhook,
			whURL:          "",
			whSVC:          "istiod-revision",
			whCA:           "ca",
			userManaged:    true,
		},
	}

	common := new(commonFlags)
	cmd := &cobra.Command{
		Use:   "policy",
		Short: "Retrieves policies for the specified Ztunnel pod.",
		Long:  `Retrieve information about policies for the Ztunnel instance.`,
		Example: `  # Retrieve summary about policy configuration for a randomly chosen ztunnel.
  istioctl x ztunnel-config policies

  # Retrieve full policy dump of workloads for a given Ztunnel instance.

kind: VirtualService
metadata:
  name: invalid-virtual-service
spec:
  http:
`
	warnDestinationRule = `apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
  name: reviews-cb-policy
spec:
  host: reviews.prod.svc.cluster.local
  trafficPolicy:
    outlierDetection:
      consecutiveErrors: 7
`
	invalidYAML = `
(...!)`
	validKubernetesYAML = `
apiVersion: v1

	// Ignore LoadBalancer, ConnectionPool, OutlierDetection
	trafficPolicy := dr.Spec.TrafficPolicy
	if trafficPolicy == nil {
		fmt.Fprintf(writer, "%sNo Traffic Policy\n", printSpaces(initPrintNum+printLevel1))
	} else {
		if trafficPolicy.Tls != nil {
			fmt.Fprintf(writer, "%sTraffic Policy TLS Mode: %s\n",
				printSpaces(initPrintNum+printLevel1), dr.Spec.TrafficPolicy.Tls.Mode.String())
		}
		shortPolicies := recordShortPolicies(