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kyverno/pkg/policy/generate/auth.go
Charles-Edouard Brétéché 3cce75ae0f
refactor: auth package and add full unit test coverage (#5749)
Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>
2022-12-22 13:24:37 +08:00

76 lines
2.6 KiB
Go

package generate
import (
"context"
"github.com/go-logr/logr"
"github.com/kyverno/kyverno/pkg/auth"
"github.com/kyverno/kyverno/pkg/clients/dclient"
)
// Operations provides methods to performing operations on resource
type Operations interface {
// CanICreate returns 'true' if self can 'create' resource
CanICreate(ctx context.Context, kind, namespace string) (bool, error)
// CanIUpdate returns 'true' if self can 'update' resource
CanIUpdate(ctx context.Context, kind, namespace string) (bool, error)
// CanIDelete returns 'true' if self can 'delete' resource
CanIDelete(ctx context.Context, kind, namespace string) (bool, error)
// CanIGet returns 'true' if self can 'get' resource
CanIGet(ctx context.Context, kind, namespace string) (bool, error)
}
// Auth provides implementation to check if caller/self/kyverno has access to perofrm operations
type Auth struct {
client dclient.Interface
log logr.Logger
}
// NewAuth returns a new instance of Auth for operations
func NewAuth(client dclient.Interface, log logr.Logger) *Auth {
a := Auth{
client: client,
log: log,
}
return &a
}
// CanICreate returns 'true' if self can 'create' resource
func (a *Auth) CanICreate(ctx context.Context, kind, namespace string) (bool, error) {
canI := auth.NewCanI(a.client.Discovery(), a.client.GetKubeClient().AuthorizationV1().SelfSubjectAccessReviews(), kind, namespace, "create", "")
ok, err := canI.RunAccessCheck(ctx)
if err != nil {
return false, err
}
return ok, nil
}
// CanIUpdate returns 'true' if self can 'update' resource
func (a *Auth) CanIUpdate(ctx context.Context, kind, namespace string) (bool, error) {
canI := auth.NewCanI(a.client.Discovery(), a.client.GetKubeClient().AuthorizationV1().SelfSubjectAccessReviews(), kind, namespace, "update", "")
ok, err := canI.RunAccessCheck(ctx)
if err != nil {
return false, err
}
return ok, nil
}
// CanIDelete returns 'true' if self can 'delete' resource
func (a *Auth) CanIDelete(ctx context.Context, kind, namespace string) (bool, error) {
canI := auth.NewCanI(a.client.Discovery(), a.client.GetKubeClient().AuthorizationV1().SelfSubjectAccessReviews(), kind, namespace, "delete", "")
ok, err := canI.RunAccessCheck(ctx)
if err != nil {
return false, err
}
return ok, nil
}
// CanIGet returns 'true' if self can 'get' resource
func (a *Auth) CanIGet(ctx context.Context, kind, namespace string) (bool, error) {
canI := auth.NewCanI(a.client.Discovery(), a.client.GetKubeClient().AuthorizationV1().SelfSubjectAccessReviews(), kind, namespace, "get", "")
ok, err := canI.RunAccessCheck(ctx)
if err != nil {
return false, err
}
return ok, nil
}