mirror of
https://github.com/davidallendj/configurator.git
synced 2025-12-20 03:27:02 -07:00
133 lines
3.3 KiB
Go
133 lines
3.3 KiB
Go
//go:build server || all
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// +build server all
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package server
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import (
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"fmt"
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"net/http"
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"time"
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configurator "github.com/OpenCHAMI/configurator/internal"
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"github.com/OpenCHAMI/configurator/internal/generator"
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"github.com/OpenCHAMI/jwtauth/v5"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/sirupsen/logrus"
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)
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var (
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tokenAuth *jwtauth.JWTAuth = nil
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)
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type Jwks struct {
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Uri string
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Retries int
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}
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type Server struct {
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*http.Server
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Jwks Jwks `yaml:"jwks"`
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GeneratorParams generator.Params
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TokenAuth *jwtauth.JWTAuth
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}
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func New() *Server {
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return &Server{
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Server: &http.Server{
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Addr: "localhost:3334",
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},
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Jwks: Jwks{
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Uri: "",
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Retries: 5,
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},
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}
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}
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func (s *Server) Serve(config *configurator.Config) error {
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// create client just for the server to use to fetch data from SMD
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_ = &configurator.SmdClient{
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Host: config.SmdClient.Host,
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Port: config.SmdClient.Port,
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}
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// set the server address with config values
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s.Server.Addr = fmt.Sprintf("%s:%d", config.Server.Host, config.Server.Port)
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// fetch JWKS public key from authorization server
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if config.Server.Jwks.Uri != "" && tokenAuth == nil {
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for i := 0; i < config.Server.Jwks.Retries; i++ {
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var err error
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tokenAuth, err = configurator.FetchPublicKeyFromURL(config.Server.Jwks.Uri)
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if err != nil {
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logrus.Errorf("failed to fetch JWKS: %w", err)
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continue
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}
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break
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}
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}
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var WriteError = func(w http.ResponseWriter, format string, a ...any) {
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errmsg := fmt.Sprintf(format, a...)
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fmt.Printf(errmsg)
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w.Write([]byte(errmsg))
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}
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// create new go-chi router with its routes
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router := chi.NewRouter()
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router.Use(middleware.RedirectSlashes)
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router.Use(middleware.Timeout(60 * time.Second))
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router.Group(func(r chi.Router) {
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if config.Server.Jwks.Uri != "" {
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r.Use(
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jwtauth.Verifier(tokenAuth),
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jwtauth.Authenticator(tokenAuth),
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)
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}
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r.HandleFunc("/generate", func(w http.ResponseWriter, r *http.Request) {
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s.GeneratorParams.Target = r.URL.Query().Get("target")
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output, err := generator.Generate(config, s.GeneratorParams)
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if err != nil {
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WriteError(w, "failed to generate config: %v\n", err)
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return
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}
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_, err = w.Write(output)
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if err != nil {
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WriteError(w, "failed to write response: %v", err)
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return
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}
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// NOTE: we probably don't want to hardcode the types, but should do for now
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// if _type == "dhcp" {
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// // fetch eths from SMD
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// eths, err := client.FetchEthernetInterfaces()
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// if err != nil {
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// logrus.Errorf("failed to fetch DHCP metadata: %v\n", err)
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// w.Write([]byte("An error has occurred"))
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// return
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// }
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// if len(eths) <= 0 {
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// logrus.Warnf("no ethernet interfaces found")
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// w.Write([]byte("no ethernet interfaces found"))
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// return
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// }
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// // generate a new config from that data
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// // b, err := g.GenerateDHCP(config, eths)
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// if err != nil {
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// logrus.Errorf("failed to generate DHCP: %v", err)
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// w.Write([]byte("An error has occurred."))
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// return
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// }
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// w.Write(b)
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// }
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})
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r.HandleFunc("/templates", func(w http.ResponseWriter, r *http.Request) {
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// TODO: handle GET request
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// TODO: handle POST request
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})
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})
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s.Handler = router
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return s.ListenAndServe()
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}
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