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authenticator.go
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authenticator.go
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package session
import (
"net/http"
"time"
"k8s.io/apiserver/pkg/authentication/authenticator"
"k8s.io/apiserver/pkg/authentication/user"
)
const (
userNameKey = "user.name"
userUIDKey = "user.uid"
// expKey is stored as an int64 unix time
expKey = "exp"
)
type sessionAuthenticator struct {
store Store
maxAge time.Duration
}
func NewAuthenticator(store Store, maxAge time.Duration) SessionAuthenticator {
return &sessionAuthenticator{
store: store,
maxAge: maxAge,
}
}
func (a *sessionAuthenticator) AuthenticateRequest(req *http.Request) (*authenticator.Response, bool, error) {
values := a.store.Get(req)
expires, ok := values.GetInt64(expKey)
if !ok {
return nil, false, nil
}
if expires < time.Now().Unix() {
return nil, false, nil
}
name, ok := values.GetString(userNameKey)
if !ok {
return nil, false, nil
}
uid, ok := values.GetString(userUIDKey)
if !ok {
return nil, false, nil
}
return &authenticator.Response{
User: &user.DefaultInfo{
Name: name,
UID: uid,
},
}, true, nil
}
func (a *sessionAuthenticator) AuthenticationSucceeded(user user.Info, state string, w http.ResponseWriter, req *http.Request) (bool, error) {
return false, putUser(a.store, w, user, a.maxAge)
}
func (a *sessionAuthenticator) InvalidateAuthentication(w http.ResponseWriter, _ user.Info) error {
// zero out all fields
return putUser(a.store, w, &user.DefaultInfo{}, 0)
}