chore: add validation for OpenTabletDriver path and improve process handling

src-tauri/src/commands.rs

@@ -993,10 +993,14 @@ pub async fn run_open_tablet_driver(path: String) -> Result<(), String> {
 
     #[cfg(windows)]
     {
-        const DETACHED_PROCESS: u32 = 0x00000008;
-        const CREATE_NEW_PROCESS_GROUP: u32 = 0x00000200;
+        use std::process::Stdio;
+        const CREATE_NO_WINDOW: u32 = 0x08000000;
+
         Command::new(&otd_path)
-            .creation_flags(DETACHED_PROCESS | CREATE_NEW_PROCESS_GROUP)
+            .creation_flags(CREATE_NO_WINDOW)
+            .stdin(Stdio::null())
+            .stdout(Stdio::null())
+            .stderr(Stdio::null())
             .spawn()
             .map_err(|e| format!("Failed to start OpenTabletDriver: {}", e))?;
     }
@@ -1041,6 +1045,21 @@ pub fn is_open_tablet_driver_running() -> bool {
     }
 }
 
+#[tauri::command]
+pub async fn is_open_tablet_driver_path_valid(app: AppHandle, path: String) -> bool {
+    #[cfg(windows)]
+    {
+        app.fs_scope().allow_file(&path).ok();
+        let otd_path = PathBuf::from(&path);
+        otd_path.exists()
+    }
+
+    #[cfg(not(windows))]
+    {
+        true
+    }
+}
+
 #[derive(Serialize, Clone)]
 pub struct ExtractProgress {
     pub theme_name: String,

src-tauri/src/lib.rs

@@ -14,10 +14,10 @@ use crate::commands::{
     find_osu_installation, get_beatmapsets_count, get_ezpp_launcher_update_files, get_hwid,
     get_launcher_version, get_osu_release_stream, get_osu_skin, get_osu_version, get_platform,
     get_skins, get_skins_count, has_net8, has_osuwinello, has_wmctrl, install_ezpp_launcher_update,
-    is_open_tablet_driver_running, is_osu_running, open_url_in_browser, opened_urls,
-    presence_connect, presence_disconnect, presence_is_connected, presence_update_button,
-    presence_update_status, presence_update_user, read_theme_info, replace_ui_files,
-    run_open_tablet_driver, run_osu, run_osu_updater, set_osu_config_values,
+    is_open_tablet_driver_path_valid, is_open_tablet_driver_running, is_osu_running,
+    open_url_in_browser, opened_urls, presence_connect, presence_disconnect, presence_is_connected,
+    presence_update_button, presence_update_status, presence_update_user, read_theme_info,
+    replace_ui_files, run_open_tablet_driver, run_osu, run_osu_updater, set_osu_config_values,
     set_osu_user_config_values, stop_open_tablet_driver, valid_osu_folder,
 };
 
@@ -123,7 +123,8 @@ pub fn run() {
             download_and_extract_theme,
             run_open_tablet_driver,
             stop_open_tablet_driver,
-            is_open_tablet_driver_running
+            is_open_tablet_driver_running,
+            is_open_tablet_driver_path_valid
         ])
         .plugin(tauri_plugin_fs::init())
         .plugin(tauri_plugin_dialog::init())