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>

examples/api/src-tauri/Cargo.toml

@@ -18,6 +18,7 @@ tauri-build = { workspace = true, features = ["codegen", "isolation"] }
 serde_json = { workspace = true }
 serde = { workspace = true }
 tiny_http = "0.12"
+time = "0.3"
 log = { workspace = true }
 tauri-plugin-log = { path = "../../../plugins/log", version = "2.3.1" }
 tauri-plugin-fs = { path = "../../../plugins/fs", version = "2.2.0", features = [
@@ -27,6 +28,7 @@ tauri-plugin-clipboard-manager = { path = "../../../plugins/clipboard-manager",
 tauri-plugin-dialog = { path = "../../../plugins/dialog", version = "2.2.0" }
 tauri-plugin-http = { path = "../../../plugins/http", features = [
   "multipart",
+  "cookies",
 ], version = "2.4.2" }
 tauri-plugin-notification = { path = "../../../plugins/notification", version = "2.2.2", features = [
   "windows7-compat",

examples/api/src-tauri/src/lib.rs

@@ -102,9 +102,28 @@ pub fn run() {
                     if let Ok(mut request) = server.recv() {
                         let mut body = Vec::new();
                         let _ = request.as_reader().read_to_end(&mut body);
+                        let mut headers = request.headers().to_vec();
+
+                        if !headers.iter().any(|header| header.field == tiny_http::HeaderField::from_bytes(b"Cookie").unwrap()) {
+                            let expires = time::OffsetDateTime::now_utc() + time::Duration::days(1);
+                            // RFC 1123 format
+                            let format = time::macros::format_description!(
+                                "[weekday repr:short], [day] [month repr:short] [year] [hour]:[minute]:[second] GMT"
+                            );
+                            let expires_str = expires.format(format).unwrap();
+                            headers.push(
+                                tiny_http::Header::from_bytes(
+                                    &b"Set-Cookie"[..],
+                                    format!("session-token=test-value; Secure; Path=/; Expires={expires_str}")
+                                        .as_bytes(),
+                                )
+                                .unwrap(),
+                            );
+                        }
+
                         let response = tiny_http::Response::new(
                             tiny_http::StatusCode(200),
-                            request.headers().to_vec(),
+                            headers,
                             std::io::Cursor::new(body),
                             request.body_length(),
                             None,