/
k8s-auth.go
68 lines (55 loc) · 1.43 KB
/
k8s-auth.go
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package api
import (
"net/http"
restful "github.com/emicklei/go-restful"
authv1 "k8s.io/api/authentication/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func (api *API) registerK8sAuthenticator(ws *restful.WebService) {
ws.
Route(ws.POST("/review-token").
To(api.k8sTokenReview).
Doc("Kubernetes token review").
Consumes("application/json").
Produces("application/json").
Reads(authv1.TokenReview{}).
Writes(authv1.TokenReview{}))
}
func (api *API) k8sTokenReview(request *restful.Request, response *restful.Response) {
req := &authv1.TokenReview{}
if err := request.ReadEntity(req); err != nil {
response.WriteError(http.StatusBadRequest, err)
return
}
claims, err := api.checkToken(req.Spec.Token)
tr := &authv1.TokenReview{
TypeMeta: metav1.TypeMeta{
APIVersion: req.APIVersion,
Kind: req.Kind,
},
}
if err != nil {
tr.Status = authv1.TokenReviewStatus{
Authenticated: false,
Error: err.Error(),
}
response.WriteHeaderAndEntity(http.StatusUnauthorized, tr)
return
}
extra := map[string]authv1.ExtraValue{}
if claims.Email != "" {
extra["email"] = authv1.ExtraValue{claims.Email}
}
if claims.EmailVerified {
extra["email_verified"] = authv1.ExtraValue{"true"}
}
tr.Status = authv1.TokenReviewStatus{
Authenticated: true,
User: authv1.UserInfo{
Username: claims.Subject,
Groups: claims.Groups,
Extra: extra,
},
}
response.WriteEntity(tr)
}