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