| /* |
| Copyright 2014 The Kubernetes Authors. |
| |
| 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 serviceaccount |
| |
| import ( |
| "k8s.io/api/core/v1" |
| apiserverserviceaccount "k8s.io/apiserver/pkg/authentication/serviceaccount" |
| "k8s.io/apiserver/pkg/authentication/user" |
| ) |
| |
| const ( |
| // PodNameKey is the key used in a user's "extra" to specify the pod name of |
| // the authenticating request. |
| PodNameKey = "authentication.kubernetes.io/pod-name" |
| // PodUIDKey is the key used in a user's "extra" to specify the pod UID of |
| // the authenticating request. |
| PodUIDKey = "authentication.kubernetes.io/pod-uid" |
| ) |
| |
| // UserInfo returns a user.Info interface for the given namespace, service account name and UID |
| func UserInfo(namespace, name, uid string) user.Info { |
| return (&ServiceAccountInfo{ |
| Name: name, |
| Namespace: namespace, |
| UID: uid, |
| }).UserInfo() |
| } |
| |
| type ServiceAccountInfo struct { |
| Name, Namespace, UID string |
| PodName, PodUID string |
| } |
| |
| func (sa *ServiceAccountInfo) UserInfo() user.Info { |
| info := &user.DefaultInfo{ |
| Name: apiserverserviceaccount.MakeUsername(sa.Namespace, sa.Name), |
| UID: sa.UID, |
| Groups: apiserverserviceaccount.MakeGroupNames(sa.Namespace), |
| } |
| if sa.PodName != "" && sa.PodUID != "" { |
| info.Extra = map[string][]string{ |
| PodNameKey: {sa.PodName}, |
| PodUIDKey: {sa.PodUID}, |
| } |
| } |
| return info |
| } |
| |
| // IsServiceAccountToken returns true if the secret is a valid api token for the service account |
| func IsServiceAccountToken(secret *v1.Secret, sa *v1.ServiceAccount) bool { |
| if secret.Type != v1.SecretTypeServiceAccountToken { |
| return false |
| } |
| |
| name := secret.Annotations[v1.ServiceAccountNameKey] |
| uid := secret.Annotations[v1.ServiceAccountUIDKey] |
| if name != sa.Name { |
| // Name must match |
| return false |
| } |
| if len(uid) > 0 && uid != string(sa.UID) { |
| // If UID is specified, it must match |
| return false |
| } |
| |
| return true |
| } |