feat(http): persist cookies on disk (#1978)

* enhance(http): persist cookies on disk

closes tauri-apps/tauri#11518

* clippy

* inline reqwest_cookie_store to fix clippy

* clippy

* Update .changes/persist-cookies.md

* Update plugins/http/src/reqwest_cookie_store.rs

* update example

* fallback to empty store if failed to load

* fix example

* persist cookies immediately

* clone

* lint

* .cookies filename

* prevent race condition

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

plugins/http/src/lib.rs

@@ -14,25 +14,72 @@ pub use error::{Error, Result};
 
 mod commands;
 mod error;
+#[cfg(feature = "cookies")]
+mod reqwest_cookie_store;
 mod scope;
 
+#[cfg(feature = "cookies")]
+const COOKIES_FILENAME: &str = ".cookies";
+
 pub(crate) struct Http {
     #[cfg(feature = "cookies")]
-    cookies_jar: std::sync::Arc<reqwest::cookie::Jar>,
+    cookies_jar: std::sync::Arc<crate::reqwest_cookie_store::CookieStoreMutex>,
 }
 
 pub fn init<R: Runtime>() -> TauriPlugin<R> {
     Builder::<R>::new("http")
         .setup(|app, _| {
+            #[cfg(feature = "cookies")]
+            let cookies_jar = {
+                use crate::reqwest_cookie_store::*;
+                use std::fs::File;
+                use std::io::BufReader;
+
+                let cache_dir = app.path().app_cache_dir()?;
+                std::fs::create_dir_all(&cache_dir)?;
+
+                let path = cache_dir.join(COOKIES_FILENAME);
+                let file = File::options()
+                    .create(true)
+                    .append(true)
+                    .read(true)
+                    .open(&path)?;
+
+                let reader = BufReader::new(file);
+                CookieStoreMutex::load(path.clone(), reader).unwrap_or_else(|_e| {
+                    #[cfg(feature = "tracing")]
+                    tracing::warn!(
+                        "failed to load cookie store: {_e}, falling back to empty store"
+                    );
+                    CookieStoreMutex::new(path, Default::default())
+                })
+            };
+
             let state = Http {
                 #[cfg(feature = "cookies")]
-                cookies_jar: std::sync::Arc::new(reqwest::cookie::Jar::default()),
+                cookies_jar: std::sync::Arc::new(cookies_jar),
             };
 
             app.manage(state);
 
             Ok(())
         })
+        .on_event(|app, event| {
+            #[cfg(feature = "cookies")]
+            if let tauri::RunEvent::Exit = event {
+                let state = app.state::<Http>();
+
+                match state.cookies_jar.request_save() {
+                    Ok(rx) => {
+                        let _ = rx.recv();
+                    }
+                    Err(_e) => {
+                        #[cfg(feature = "tracing")]
+                        tracing::error!("failed to save cookie jar: {_e}");
+                    }
+                }
+            }
+        })
         .invoke_handler(tauri::generate_handler![
             commands::fetch,
             commands::fetch_cancel,