feat: customize login and lobby spaces from the panel

internal/api/handlers_fileops.go

@@ -11,7 +11,6 @@ import (
 
 	"felis.lolicon.best/internal/fileedit"
 	"felis.lolicon.best/internal/maintenance"
-	"felis.lolicon.best/internal/naming"
 )
 
 // A file too big for the one-request upload (handleUploadFile) arrives as an
@@ -430,11 +429,11 @@ func (a *API) requireFileStage(w http.ResponseWriter, r *http.Request) (string,
 // staff. It returns the server name.
 func (a *API) authorizeServerFiles(w http.ResponseWriter, r *http.Request) (string, bool) {
 	name := r.PathValue("name")
-	if err := naming.ValidateServerName(name); err != nil {
+	if err := validateManagedServerName(r, name); err != nil {
 		writeError(w, r, newError(http.StatusBadRequest, "bad_name", "invalid server name: %v", err))
 		return "", false
 	}
-	rec, err := a.Repo.ServerByName(r.Context(), name)
+	rec, err := a.managedServerRecord(r.Context(), name)
 	if err != nil {
 		a.writeLookupError(w, r, err)
 		return "", false