Files
authentik/internal/web/static.go
Jens Langhammer a575de21bc update go version
Signed-off-by: Jens Langhammer <jens@goauthentik.io>
2025-06-04 18:24:55 +02:00

115 lines
3.9 KiB
Go

package web
import (
"fmt"
"net/http"
"github.com/go-http-utils/etag"
"github.com/gorilla/mux"
"goauthentik.io/internal/config"
"goauthentik.io/internal/constants"
"goauthentik.io/internal/utils/web"
staticWeb "goauthentik.io/web"
)
func (ws *WebServer) configureStatic() {
// Setup routers
staticRouter := ws.loggingRouter.NewRoute().Subrouter()
staticRouter.Use(ws.staticHeaderMiddleware)
indexLessRouter := staticRouter.NewRoute().Subrouter()
// Specifically disable index
indexLessRouter.Use(web.DisableIndex)
distFs := http.FileServer(http.Dir("./web/dist"))
pathStripper := func(handler http.Handler, paths ...string) http.Handler {
h := handler
for _, path := range paths {
h = http.StripPrefix(path, h)
}
return h
}
helpHandler := http.FileServer(http.Dir("./website/help/"))
indexLessRouter.PathPrefix(config.Get().Web.Path).PathPrefix("/static/dist/").Handler(pathStripper(
distFs,
"static/dist/",
config.Get().Web.Path,
))
indexLessRouter.PathPrefix(config.Get().Web.Path).PathPrefix("/static/authentik/").Handler(pathStripper(
http.FileServer(http.Dir("./web/authentik")),
"static/authentik/",
config.Get().Web.Path,
))
indexLessRouter.PathPrefix(config.Get().Web.Path).PathPrefix("/if/flow/{flow_slug}/assets").HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
pathStripper(
distFs,
"if/flow/"+vars["flow_slug"],
config.Get().Web.Path,
).ServeHTTP(rw, r)
})
indexLessRouter.PathPrefix(config.Get().Web.Path).PathPrefix("/if/admin/assets").Handler(http.StripPrefix(fmt.Sprintf("%sif/admin", config.Get().Web.Path), distFs))
indexLessRouter.PathPrefix(config.Get().Web.Path).PathPrefix("/if/user/assets").Handler(http.StripPrefix(fmt.Sprintf("%sif/user", config.Get().Web.Path), distFs))
indexLessRouter.PathPrefix(config.Get().Web.Path).PathPrefix("/if/rac/{app_slug}/assets").HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
pathStripper(
distFs,
"if/rac/"+vars["app_slug"],
config.Get().Web.Path,
).ServeHTTP(rw, r)
})
// Media files, if backend is file
if config.Get().Storage.Media.Backend == "file" {
fsMedia := http.FileServer(http.Dir(config.Get().Storage.Media.File.Path))
indexLessRouter.PathPrefix(config.Get().Web.Path).PathPrefix("/media/").Handler(pathStripper(
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Security-Policy", "default-src 'none'; style-src 'unsafe-inline'; sandbox")
fsMedia.ServeHTTP(w, r)
}),
"media/",
config.Get().Web.Path,
))
}
staticRouter.PathPrefix(config.Get().Web.Path).PathPrefix("/if/help/").Handler(pathStripper(
helpHandler,
config.Get().Web.Path,
"/if/help/",
))
staticRouter.PathPrefix(config.Get().Web.Path).PathPrefix("/help").Handler(http.RedirectHandler(fmt.Sprintf("%sif/help/", config.Get().Web.Path), http.StatusMovedPermanently))
staticRouter.PathPrefix(config.Get().Web.Path).Path("/robots.txt").HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
rw.Header()["Content-Type"] = []string{"text/plain"}
rw.WriteHeader(200)
_, err := rw.Write(staticWeb.RobotsTxt)
if err != nil {
ws.log.WithError(err).Warning("failed to write response")
}
})
staticRouter.PathPrefix(config.Get().Web.Path).Path("/.well-known/security.txt").HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
rw.Header()["Content-Type"] = []string{"text/plain"}
rw.WriteHeader(200)
_, err := rw.Write(staticWeb.SecurityTxt)
if err != nil {
ws.log.WithError(err).Warning("failed to write response")
}
})
}
func (ws *WebServer) staticHeaderMiddleware(h http.Handler) http.Handler {
etagHandler := etag.Handler(h, false)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Cache-Control", "public, no-transform")
w.Header().Set("X-authentik-version", constants.VERSION())
w.Header().Set("Vary", "X-authentik-version, Etag")
etagHandler.ServeHTTP(w, r)
})
}