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73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 webhook implements the authenticator.Token interface using HTTP webhooks.
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package webhook
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import (
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"k8s.io/kubernetes/pkg/api/unversioned"
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"k8s.io/kubernetes/pkg/apis/authentication.k8s.io/v1beta1"
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"k8s.io/kubernetes/pkg/auth/authenticator"
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"k8s.io/kubernetes/pkg/auth/user"
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"k8s.io/kubernetes/plugin/pkg/webhook"
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_ "k8s.io/kubernetes/pkg/apis/authentication.k8s.io/install"
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)
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var (
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groupVersions = []unversioned.GroupVersion{v1beta1.SchemeGroupVersion}
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)
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// Ensure WebhookTokenAuthenticator implements the authenticator.Token interface.
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var _ authenticator.Token = (*WebhookTokenAuthenticator)(nil)
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type WebhookTokenAuthenticator struct {
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*webhook.GenericWebhook
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}
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// New creates a new WebhookTokenAuthenticator from the provided kubeconfig file.
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func New(kubeConfigFile string) (*WebhookTokenAuthenticator, error) {
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gw, err := webhook.NewGenericWebhook(kubeConfigFile, groupVersions)
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if err != nil {
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return nil, err
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}
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return &WebhookTokenAuthenticator{gw}, nil
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}
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// AuthenticateToken
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func (w *WebhookTokenAuthenticator) AuthenticateToken(token string) (user.Info, bool, error) {
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r := &v1beta1.TokenReview{
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Spec: v1beta1.TokenReviewSpec{
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Token: token,
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},
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}
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result := w.RestClient.Post().Body(r).Do()
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if err := result.Error(); err != nil {
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return nil, false, err
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}
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if err := result.Into(r); err != nil {
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return nil, false, err
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}
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if !r.Status.Authenticated {
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return nil, false, nil
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}
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return &user.DefaultInfo{
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Name: r.Status.User.Username,
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UID: r.Status.User.UID,
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Groups: r.Status.User.Groups,
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}, true, nil
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}
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