/
rest.go
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/
rest.go
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package localresourceaccessreview
import (
"context"
"fmt"
kapierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/validation/field"
apirequest "k8s.io/apiserver/pkg/endpoints/request"
"k8s.io/apiserver/pkg/registry/rest"
authorization "github.com/openshift/api/authorization"
authorizationapi "github.com/openshift/origin/pkg/authorization/apis/authorization"
authorizationvalidation "github.com/openshift/origin/pkg/authorization/apis/authorization/validation"
"github.com/openshift/origin/pkg/authorization/apiserver/registry/resourceaccessreview"
)
// REST implements the RESTStorage interface in terms of an Registry.
type REST struct {
clusterRARRegistry resourceaccessreview.Registry
}
var _ rest.Creater = &REST{}
var _ rest.Scoper = &REST{}
func NewREST(clusterRARRegistry resourceaccessreview.Registry) *REST {
return &REST{clusterRARRegistry}
}
func (r *REST) New() runtime.Object {
return &authorizationapi.LocalResourceAccessReview{}
}
func (s *REST) NamespaceScoped() bool {
return true
}
// Create transforms a LocalRAR into an ClusterRAR that is requesting a namespace. That collapses the code paths.
// LocalResourceAccessReview exists to allow clean expression of policy.
func (r *REST) Create(ctx context.Context, obj runtime.Object, _ rest.ValidateObjectFunc, options *metav1.CreateOptions) (runtime.Object, error) {
localRAR, ok := obj.(*authorizationapi.LocalResourceAccessReview)
if !ok {
return nil, kapierrors.NewBadRequest(fmt.Sprintf("not a localResourceAccessReview: %#v", obj))
}
if errs := authorizationvalidation.ValidateLocalResourceAccessReview(localRAR); len(errs) > 0 {
return nil, kapierrors.NewInvalid(authorization.Kind(localRAR.Kind), "", errs)
}
if namespace := apirequest.NamespaceValue(ctx); len(namespace) == 0 {
return nil, kapierrors.NewBadRequest(fmt.Sprintf("namespace is required on this type: %v", namespace))
} else if (len(localRAR.Action.Namespace) > 0) && (namespace != localRAR.Action.Namespace) {
return nil, field.Invalid(field.NewPath("namespace"), localRAR.Action.Namespace, fmt.Sprintf("namespace must be: %v", namespace))
}
// transform this into a ResourceAccessReview
clusterRAR := &authorizationapi.ResourceAccessReview{
Action: localRAR.Action,
}
clusterRAR.Action.Namespace = apirequest.NamespaceValue(ctx)
return r.clusterRARRegistry.CreateResourceAccessReview(apirequest.WithNamespace(ctx, ""), clusterRAR)
}