add subject access review types

pkg/apis/authorization/validation/validation.go

@@ -0,0 +1,64 @@
+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package validation
+
+import (
+	authorizationapi "k8s.io/kubernetes/pkg/apis/authorization"
+	"k8s.io/kubernetes/pkg/util/validation/field"
+)
+
+func ValidateSubjectAccessReviewSpec(spec authorizationapi.SubjectAccessReviewSpec, fldPath *field.Path) field.ErrorList {
+	allErrs := field.ErrorList{}
+	if spec.ResourceAttributes != nil && spec.NonResourceAttributes != nil {
+		allErrs = append(allErrs, field.Invalid(fldPath.Child("nonResourceAttributes"), spec.NonResourceAttributes, `cannot be specified in combination with resourceAttributes`))
+	}
+	if spec.ResourceAttributes == nil && spec.NonResourceAttributes == nil {
+		allErrs = append(allErrs, field.Invalid(fldPath.Child("resourceAttributes"), spec.NonResourceAttributes, `exactly one of nonResourceAttributes or resourceAttributes must be specified`))
+	}
+	if len(spec.User) == 0 && len(spec.Groups) == 0 {
+		allErrs = append(allErrs, field.Invalid(fldPath.Child("user"), spec.User, `at least one of user or group must be specified`))
+	}
+
+	return allErrs
+}
+
+func ValidateSelfSubjectAccessReviewSpec(spec authorizationapi.SelfSubjectAccessReviewSpec, fldPath *field.Path) field.ErrorList {
+	allErrs := field.ErrorList{}
+	if spec.ResourceAttributes != nil && spec.NonResourceAttributes != nil {
+		allErrs = append(allErrs, field.Invalid(fldPath.Child("nonResourceAttributes"), spec.NonResourceAttributes, `cannot be specified in combination with resourceAttributes`))
+	}
+	if spec.ResourceAttributes == nil && spec.NonResourceAttributes == nil {
+		allErrs = append(allErrs, field.Invalid(fldPath.Child("resourceAttributes"), spec.NonResourceAttributes, `exactly one of nonResourceAttributes or resourceAttributes must be specified`))
+	}
+
+	return allErrs
+}
+
+func ValidateSubjectAccessReview(sar *authorizationapi.SubjectAccessReview) field.ErrorList {
+	allErrs := ValidateSubjectAccessReviewSpec(sar.Spec, field.NewPath("spec"))
+	return allErrs
+}
+
+func ValidateSelfSubjectAccessReview(sar *authorizationapi.SelfSubjectAccessReview) field.ErrorList {
+	allErrs := ValidateSelfSubjectAccessReviewSpec(sar.Spec, field.NewPath("spec"))
+	return allErrs
+}
+
+func ValidateLocalSubjectAccessReview(sar *authorizationapi.LocalSubjectAccessReview) field.ErrorList {
+	allErrs := ValidateSubjectAccessReviewSpec(sar.Spec, field.NewPath("spec"))
+	return allErrs
+}