mirror of https://github.com/kubernetes/kops.git
85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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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 server
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import (
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"encoding/json"
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"io/ioutil"
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"net/http"
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"go.uber.org/zap"
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"k8s.io/kops/node-authorizer/pkg/utils"
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"github.com/gorilla/mux"
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)
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// authorizeHandler is responsible for handling the authorization requests
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func (n *NodeAuthorizer) authorizeHandler(w http.ResponseWriter, r *http.Request) {
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err := func() error {
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// @check we have a body to read in
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if r.Body == nil {
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w.WriteHeader(http.StatusBadRequest)
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return nil
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}
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// @step: read in the request body
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content, err := ioutil.ReadAll(r.Body)
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defer r.Body.Close()
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if err != nil {
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return err
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}
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address, err := getClientAddress(r.RemoteAddr)
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if err != nil {
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return err
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}
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// @step: construct the node registration request
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req := &NodeRegistration{
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Spec: NodeRegistrationSpec{
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NodeName: mux.Vars(r)["name"],
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RemoteAddr: address,
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Request: content,
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},
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}
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// @step: attempt to authorise the request
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if err := n.authorizeNodeRequest(r.Context(), req); err != nil {
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return err
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}
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// @check if the node was denied and if so, 403 it
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if !req.Status.Allowed {
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w.WriteHeader(http.StatusForbidden)
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return nil
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}
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return json.NewEncoder(w).Encode(req)
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}()
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if err != nil {
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utils.Logger.Info("failed to handle node request", zap.Error(err))
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w.WriteHeader(http.StatusInternalServerError)
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}
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}
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// healthHandler is responsible for providing health
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func (n *NodeAuthorizer) healthHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Node-Authorizer-Version", Version)
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w.Write([]byte("OK\n"))
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}
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