Exemplo n.º 1
0
func (s *Storage) Update(ctx genericapirequest.Context, name string, obj rest.UpdatedObjectInfo) (runtime.Object, bool, error) {
	if rbacregistry.EscalationAllowed(ctx) {
		return s.StandardStorage.Update(ctx, name, obj)
	}

	nonEscalatingInfo := rest.WrapUpdatedObjectInfo(obj, func(ctx genericapirequest.Context, obj runtime.Object, oldObj runtime.Object) (runtime.Object, error) {
		clusterRoleBinding := obj.(*rbac.ClusterRoleBinding)

		// if we're explicitly authorized to bind this clusterrole, return
		if rbacregistry.BindingAuthorized(ctx, clusterRoleBinding.RoleRef, clusterRoleBinding.Namespace, s.authorizer) {
			return obj, nil
		}

		// Otherwise, see if we already have all the permissions contained in the referenced clusterrole
		rules, err := s.ruleResolver.GetRoleReferenceRules(clusterRoleBinding.RoleRef, clusterRoleBinding.Namespace)
		if err != nil {
			return nil, err
		}
		if err := rbacregistryvalidation.ConfirmNoEscalation(ctx, s.ruleResolver, rules); err != nil {
			return nil, errors.NewForbidden(groupResource, clusterRoleBinding.Name, err)
		}
		return obj, nil
	})

	return s.StandardStorage.Update(ctx, name, nonEscalatingInfo)
}
Exemplo n.º 2
0
func (s *Storage) Create(ctx genericapirequest.Context, obj runtime.Object) (runtime.Object, error) {
	if rbacregistry.EscalationAllowed(ctx) {
		return s.StandardStorage.Create(ctx, obj)
	}

	clusterRole := obj.(*rbac.ClusterRole)
	rules := clusterRole.Rules
	if err := rbacregistryvalidation.ConfirmNoEscalation(ctx, s.ruleResolver, rules); err != nil {
		return nil, errors.NewForbidden(groupResource, clusterRole.Name, err)
	}
	return s.StandardStorage.Create(ctx, obj)
}
Exemplo n.º 3
0
func (s *Storage) Update(ctx genericapirequest.Context, name string, obj rest.UpdatedObjectInfo) (runtime.Object, bool, error) {
	if rbacregistry.EscalationAllowed(ctx) {
		return s.StandardStorage.Update(ctx, name, obj)
	}

	nonEscalatingInfo := rest.WrapUpdatedObjectInfo(obj, func(ctx genericapirequest.Context, obj runtime.Object, oldObj runtime.Object) (runtime.Object, error) {
		clusterRole := obj.(*rbac.ClusterRole)

		rules := clusterRole.Rules
		if err := rbacregistryvalidation.ConfirmNoEscalation(ctx, s.ruleResolver, rules); err != nil {
			return nil, errors.NewForbidden(groupResource, clusterRole.Name, err)
		}
		return obj, nil
	})

	return s.StandardStorage.Update(ctx, name, nonEscalatingInfo)
}
Exemplo n.º 4
0
func (s *Storage) Create(ctx genericapirequest.Context, obj runtime.Object) (runtime.Object, error) {
	if rbacregistry.EscalationAllowed(ctx) {
		return s.StandardStorage.Create(ctx, obj)
	}

	clusterRoleBinding := obj.(*rbac.ClusterRoleBinding)
	if rbacregistry.BindingAuthorized(ctx, clusterRoleBinding.RoleRef, clusterRoleBinding.Namespace, s.authorizer) {
		return s.StandardStorage.Create(ctx, obj)
	}

	rules, err := s.ruleResolver.GetRoleReferenceRules(clusterRoleBinding.RoleRef, clusterRoleBinding.Namespace)
	if err != nil {
		return nil, err
	}
	if err := rbacregistryvalidation.ConfirmNoEscalation(ctx, s.ruleResolver, rules); err != nil {
		return nil, errors.NewForbidden(groupResource, clusterRoleBinding.Name, err)
	}
	return s.StandardStorage.Create(ctx, obj)
}