/
auth.go
57 lines (51 loc) · 1.82 KB
/
auth.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package gateway
import (
"k8s.io/apiserver/pkg/server/mux"
"net/http"
"net/http/httputil"
"net/url"
"strings"
"tkestack.io/tke/pkg/apiserver/authentication/authenticator/oidc"
"tkestack.io/tke/pkg/util/log"
)
// registerAuthRoute to register route for proxy TKE auth server.
func registerAuthRoute(m *mux.PathRecorderMux, oidcHTTPClient *http.Client, oidcAuthenticator *oidc.Authenticator) error {
u, err := url.Parse(oidcAuthenticator.IssuerURL)
if err != nil {
log.Error("Failed to parse OIDC issuer url", log.String("issuerURL", oidcAuthenticator.IssuerURL), log.Err(err))
return err
}
pathPrefix := u.Path
if !strings.HasSuffix(pathPrefix, "/") {
pathPrefix = pathPrefix + "/"
}
reverseProxy := httputil.NewSingleHostReverseProxy(&url.URL{Scheme: u.Scheme, Host: u.Host})
reverseProxy.Transport = oidcHTTPClient.Transport
reverseProxy.ErrorLog = log.StdErrLogger()
handler := &proxyHandler{reverseProxy}
m.HandlePrefix(pathPrefix, handler)
return nil
}
type proxyHandler struct {
reverseProxy *httputil.ReverseProxy
}
func (h *proxyHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
h.reverseProxy.ServeHTTP(w, req)
}