106 lines
2.3 KiB
Go
106 lines
2.3 KiB
Go
package web
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import (
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"context"
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"errors"
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"net"
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"net/http"
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"github.com/gorilla/handlers"
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"github.com/gorilla/mux"
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"github.com/pires/go-proxyproto"
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log "github.com/sirupsen/logrus"
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"goauthentik.io/internal/config"
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"goauthentik.io/internal/outpost/proxy"
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)
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type WebServer struct {
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Bind string
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BindTLS bool
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LegacyProxy bool
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stop chan struct{} // channel for waiting shutdown
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ProxyServer *proxy.Server
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m *mux.Router
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lh *mux.Router
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log *log.Entry
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}
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func NewWebServer() *WebServer {
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mainHandler := mux.NewRouter()
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if config.G.ErrorReporting.Enabled {
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mainHandler.Use(recoveryMiddleware())
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}
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mainHandler.Use(handlers.ProxyHeaders)
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mainHandler.Use(handlers.CompressHandler)
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logginRouter := mainHandler.NewRoute().Subrouter()
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logginRouter.Use(loggingMiddleware)
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ws := &WebServer{
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LegacyProxy: true,
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m: mainHandler,
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lh: logginRouter,
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log: log.WithField("logger", "authentik.g.web"),
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}
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ws.configureStatic()
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ws.configureProxy()
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return ws
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}
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func (ws *WebServer) Start() {
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go ws.listenPlain()
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go ws.listenTLS()
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}
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func (ws *WebServer) Shutdown() {
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ws.stop <- struct{}{}
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}
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func (ws *WebServer) listenPlain() {
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ln, err := net.Listen("tcp", config.G.Web.Listen)
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if err != nil {
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ws.log.WithError(err).Fatalf("failed to listen")
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}
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ws.log.WithField("addr", config.G.Web.Listen).Info("Running")
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proxyListener := &proxyproto.Listener{Listener: ln}
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defer proxyListener.Close()
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ws.serve(proxyListener)
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ws.log.WithField("addr", config.G.Web.Listen).Info("Running")
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err = http.ListenAndServe(config.G.Web.Listen, ws.m)
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if err != nil && !errors.Is(err, http.ErrServerClosed) {
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ws.log.Errorf("ERROR: http.Serve() - %s", err)
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}
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}
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func (ws *WebServer) serve(listener net.Listener) {
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srv := &http.Server{
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Handler: ws.m,
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}
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// See https://golang.org/pkg/net/http/#Server.Shutdown
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idleConnsClosed := make(chan struct{})
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go func() {
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<-ws.stop // wait notification for stopping server
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// We received an interrupt signal, shut down.
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if err := srv.Shutdown(context.Background()); err != nil {
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// Error from closing listeners, or context timeout:
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ws.log.Printf("HTTP server Shutdown: %v", err)
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}
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close(idleConnsClosed)
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}()
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err := srv.Serve(listener)
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if err != nil && !errors.Is(err, http.ErrServerClosed) {
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ws.log.Errorf("ERROR: http.Serve() - %s", err)
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}
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<-idleConnsClosed
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}
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