authentik/internal/web/static.go

83 lines
3.2 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() {
staticRouter := ws.lh.NewRoute().Subrouter()
staticRouter.Use(ws.staticHeaderMiddleware)
staticRouter.Use(web.DisableIndex)
distFs := http.FileServer(http.Dir("./web/dist"))
authentikHandler := http.StripPrefix("/static/authentik/", http.FileServer(http.Dir("./web/authentik")))
// Root file paths, from which they should be accessed
staticRouter.PathPrefix("/static/dist/").Handler(http.StripPrefix("/static/dist/", distFs))
staticRouter.PathPrefix("/static/authentik/").Handler(authentikHandler)
// Also serve assets folder in specific interfaces since fonts in patternfly are imported
// with a relative path
staticRouter.PathPrefix("/if/flow/{flow_slug}/assets").HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
web.DisableIndex(http.StripPrefix(fmt.Sprintf("/if/flow/%s", vars["flow_slug"]), distFs)).ServeHTTP(rw, r)
})
staticRouter.PathPrefix("/if/admin/assets").Handler(http.StripPrefix("/if/admin", distFs))
staticRouter.PathPrefix("/if/user/assets").Handler(http.StripPrefix("/if/user", distFs))
staticRouter.PathPrefix("/if/rac/{app_slug}/assets").HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
web.DisableIndex(http.StripPrefix(fmt.Sprintf("/if/rac/%s", vars["app_slug"]), distFs)).ServeHTTP(rw, r)
})
// Media files, if backend is file
if config.Get().Storage.Media.Backend == "file" {
fsMedia := http.StripPrefix("/media", http.FileServer(http.Dir(config.Get().Storage.Media.File.Path)))
staticRouter.PathPrefix("/media/").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)
})
}
staticRouter.PathPrefix("/if/help/").Handler(http.StripPrefix("/if/help/", http.FileServer(http.Dir("./website/help/"))))
staticRouter.PathPrefix("/help").Handler(http.RedirectHandler("/if/help/", http.StatusMovedPermanently))
// Static misc files
ws.lh.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")
}
})
ws.lh.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)
})
}