38 lines
1002 B
Go
38 lines
1002 B
Go
package web
|
|
|
|
import (
|
|
"net/http"
|
|
"net/http/httputil"
|
|
"net/url"
|
|
)
|
|
|
|
func (ws *WebServer) configureProxy() {
|
|
// Reverse proxy to the application server
|
|
u, _ := url.Parse("http://localhost:8000")
|
|
director := func(req *http.Request) {
|
|
req.URL.Scheme = u.Scheme
|
|
req.URL.Host = u.Host
|
|
if _, ok := req.Header["User-Agent"]; !ok {
|
|
// explicitly disable User-Agent so it's not set to default value
|
|
req.Header.Set("User-Agent", "")
|
|
}
|
|
if req.TLS != nil {
|
|
req.Header.Set("X-Forwarded-Proto", "https")
|
|
}
|
|
}
|
|
rp := &httputil.ReverseProxy{Director: director}
|
|
rp.ErrorHandler = ws.proxyErrorHandler
|
|
rp.ModifyResponse = ws.proxyModifyResponse
|
|
ws.m.PathPrefix("/").Handler(rp)
|
|
}
|
|
|
|
func (ws *WebServer) proxyErrorHandler(rw http.ResponseWriter, req *http.Request, err error) {
|
|
ws.log.WithError(err).Warning("proxy error")
|
|
rw.WriteHeader(http.StatusBadGateway)
|
|
}
|
|
|
|
func (ws *WebServer) proxyModifyResponse(r *http.Response) error {
|
|
r.Header.Set("X-authentik-from", "authentik")
|
|
return nil
|
|
}
|