/* Copyright 2016 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 group import ( "net/http" "k8s.io/apiserver/pkg/authentication/authenticator" "k8s.io/apiserver/pkg/authentication/user" ) // GroupAdder adds groups to an authenticated user.Info type GroupAdder struct { // Authenticator is delegated to make the authentication decision Authenticator authenticator.Request // Groups are additional groups to add to the user.Info from a successful authentication Groups []string } // NewGroupAdder wraps a request authenticator, and adds the specified groups to the returned user when authentication succeeds func NewGroupAdder(auth authenticator.Request, groups []string) authenticator.Request { return &GroupAdder{auth, groups} } func (g *GroupAdder) AuthenticateRequest(req *http.Request) (*authenticator.Response, bool, error) { r, ok, err := g.Authenticator.AuthenticateRequest(req) if err != nil || !ok { return nil, ok, err } newGroups := make([]string, 0, len(r.User.GetGroups())+len(g.Groups)) newGroups = append(newGroups, r.User.GetGroups()...) newGroups = append(newGroups, g.Groups...) ret := *r // shallow copy ret.User = &user.DefaultInfo{ Name: r.User.GetName(), UID: r.User.GetUID(), Groups: newGroups, Extra: r.User.GetExtra(), } return &ret, true, nil }