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use crate::{web::cookie::CookieJar, Endpoint, IntoResponse, Middleware, Request, Response};
#[derive(Default)]
pub struct CookieJarManager;
impl<E> Middleware<E> for CookieJarManager
where
E: Endpoint,
{
type Output = CookieJarManagerEndpoint<E>;
fn transform(&self, ep: E) -> Self::Output {
CookieJarManagerEndpoint { inner: ep }
}
}
pub struct CookieJarManagerEndpoint<E> {
inner: E,
}
#[async_trait::async_trait]
impl<E: Endpoint> Endpoint for CookieJarManagerEndpoint<E> {
type Output = Response;
async fn call(&self, mut req: Request) -> Self::Output {
let cookie_jar = CookieJar::extract_from_headers(req.headers());
if req.state().cookie_jar.is_none() {
req.state_mut().cookie_jar = Some(cookie_jar.clone());
let mut resp = self.inner.call(req).await.into_response();
cookie_jar.append_delta_to_headers(resp.headers_mut());
resp
} else {
self.inner.call(req).await.into_response()
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{handler, http::StatusCode, EndpointExt};
#[tokio::test]
async fn test_cookie_jar_manager() {
#[handler(internal)]
async fn index(cookie_jar: &CookieJar) {
assert_eq!(cookie_jar.get("value").unwrap().value_str(), "88");
}
let ep = index.with(CookieJarManager);
let resp = ep
.call(Request::builder().header("Cookie", "value=88").finish())
.await;
assert_eq!(resp.status(), StatusCode::OK);
}
}