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https://github.com/optim-enterprises-bv/kubernetes.git
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76 lines
2.5 KiB
Go
76 lines
2.5 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"k8s.io/apiserver/pkg/authentication/user"
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"k8s.io/apiserver/pkg/authorization/authorizer"
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authorizationapi "k8s.io/kubernetes/pkg/apis/authorization"
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)
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// ResourceAttributesFrom combines the API object information and the user.Info from the context to build a full authorizer.AttributesRecord for resource access
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func ResourceAttributesFrom(user user.Info, in authorizationapi.ResourceAttributes) authorizer.AttributesRecord {
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return authorizer.AttributesRecord{
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User: user,
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Verb: in.Verb,
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Namespace: in.Namespace,
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APIGroup: in.Group,
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Resource: in.Resource,
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ResourceRequest: true,
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}
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}
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// NonResourceAttributesFrom combines the API object information and the user.Info from the context to build a full authorizer.AttributesRecord for non resource access
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func NonResourceAttributesFrom(user user.Info, in authorizationapi.NonResourceAttributes) authorizer.AttributesRecord {
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return authorizer.AttributesRecord{
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User: user,
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ResourceRequest: false,
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Path: in.Path,
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Verb: in.Verb,
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}
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}
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func convertToUserInfoExtra(extra map[string]authorizationapi.ExtraValue) map[string][]string {
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if extra == nil {
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return nil
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}
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ret := map[string][]string{}
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for k, v := range extra {
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ret[k] = []string(v)
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}
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return ret
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}
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// AuthorizationAttributesFrom takes a spec and returns the proper authz attributes to check it.
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func AuthorizationAttributesFrom(spec authorizationapi.SubjectAccessReviewSpec) authorizer.AttributesRecord {
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userToCheck := &user.DefaultInfo{
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Name: spec.User,
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Groups: spec.Groups,
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Extra: convertToUserInfoExtra(spec.Extra),
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}
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var authorizationAttributes authorizer.AttributesRecord
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if spec.ResourceAttributes != nil {
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authorizationAttributes = ResourceAttributesFrom(userToCheck, *spec.ResourceAttributes)
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} else {
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authorizationAttributes = NonResourceAttributesFrom(userToCheck, *spec.NonResourceAttributes)
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}
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return authorizationAttributes
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}
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