use bytes::Bytes; use http::{request, response, Request, Response}; use std::path::PathBuf; use std::sync::Arc; use axum::body::{to_bytes, Body}; use axum::Router; use tauri::path::BaseDirectory; use tauri::Manager; use tokio::sync::{Mutex, MutexGuard}; use tower::{Service, ServiceExt}; async fn process_tauri_request( tauri_request: Request>, mut router: MutexGuard<'_, Router>, ) -> Response> { let (parts, body): (request::Parts, Vec) = tauri_request.into_parts(); let axum_request: Request = Request::from_parts(parts, body.into()); let axum_response: Response = router .as_service() .ready() .await .expect("Failed to get ready service from router") .call(axum_request) .await .expect("Could not get response from router"); let (parts, body): (response::Parts, Body) = axum_response.into_parts(); let body: Bytes = to_bytes(body, usize::MAX).await.unwrap_or_default(); let tauri_response: Response> = Response::from_parts(parts, body.into()); tauri_response } #[cfg_attr(mobile, tauri::mobile_entry_point)] pub fn run() { tauri::Builder::default() .setup(|app| { let assets_path: PathBuf = app .path() .resolve("assets", BaseDirectory::Resource) .expect("Path should be resolvable"); // Adds Axum router to application state // This makes it so we can retrieve it from any app instance (see bellow) let router = Arc::new(Mutex::new(app::get_router(&assets_path))); app.manage(router); Ok(()) }) .register_asynchronous_uri_scheme_protocol("axum", move |app, request, responder| { // Retrieve the router from the application state and clone it for the async block let router = Arc::clone(&app.state::>>()); // Spawn a new async task to process the request tauri::async_runtime::spawn(async move { let router = router.lock().await; let response = process_tauri_request(request, router).await; responder.respond(response); }); }) .run(tauri::generate_context!()) .expect("error while running tauri application"); }