feat: add disable exec flag (#1090)

http/commands.go

@@ -59,7 +59,7 @@ var commandsHandler = withUser(func(w http.ResponseWriter, r *http.Request, d *d
 		}
 	}
 
-	if !d.user.CanExecute(strings.Split(raw, " ")[0]) {
+	if !d.server.EnableExec || !d.user.CanExecute(strings.Split(raw, " ")[0]) {
 		if err := conn.WriteMessage(websocket.TextMessage, cmdNotAllowed); err != nil { //nolint:shadow
 			wsErr(conn, r, http.StatusInternalServerError, err)
 		}

http/data.go

@@ -51,7 +51,7 @@ func handle(fn handleFunc, prefix string, store *storage.Storage, server *settin
 		}
 
 		status, err := fn(w, r, &data{
-			Runner:   &runner.Runner{Settings: settings},
+			Runner:   &runner.Runner{Enabled: server.EnableExec, Settings: settings},
 			store:    store,
 			settings: settings,
 			server:   server,

http/static.go

@@ -41,6 +41,7 @@ func handleWithStaticData(w http.ResponseWriter, _ *http.Request, d *data, box *
 		"Theme":           d.settings.Branding.Theme,
 		"EnableThumbs":    d.server.EnableThumbnails,
 		"ResizePreview":   d.server.ResizePreview,
+		"EnableExec":      d.server.EnableExec,
 	}
 
 	if d.settings.Branding.Files != "" {