use std::sync::Arc;
use crate::{
web::cookie::{CookieJar, CookieKey},
Endpoint, IntoResponse, Middleware, Request, Response, Result,
};
#[cfg_attr(docsrs, doc(cfg(feature = "cookie")))]
#[derive(Default)]
pub struct CookieJarManager {
key: Option<Arc<CookieKey>>,
}
impl CookieJarManager {
#[must_use]
pub fn new() -> Self {
Self::default()
}
pub fn with_key(key: CookieKey) -> Self {
Self {
key: Some(Arc::new(key)),
}
}
}
impl<E> Middleware<E> for CookieJarManager
where
E: Endpoint,
{
type Output = CookieJarManagerEndpoint<E>;
fn transform(&self, ep: E) -> Self::Output {
CookieJarManagerEndpoint {
inner: ep,
key: self.key.clone(),
}
}
}
#[cfg_attr(docsrs, doc(cfg(feature = "cookie")))]
pub struct CookieJarManagerEndpoint<E> {
inner: E,
key: Option<Arc<CookieKey>>,
}
impl<E: Endpoint> Endpoint for CookieJarManagerEndpoint<E> {
type Output = Response;
async fn call(&self, mut req: Request) -> Result<Self::Output> {
if req.state().cookie_jar.is_none() {
let mut cookie_jar = CookieJar::extract_from_headers(req.headers());
cookie_jar.key.clone_from(&self.key);
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());
Ok(resp)
} else {
self.inner.call(req).await.map(IntoResponse::into_response)
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::{handler, test::TestClient, web::cookie::Cookie, 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::new());
let cli = TestClient::new(ep);
cli.get("/")
.header("Cookie", "value=88")
.send()
.await
.assert_status_is_ok();
}
#[tokio::test]
async fn test_cookie_jar_manager_with_key() {
#[handler(internal)]
async fn index(cookie_jar: &CookieJar) {
assert_eq!(
cookie_jar.private().get("value1").unwrap().value_str(),
"88"
);
assert_eq!(cookie_jar.signed().get("value2").unwrap().value_str(), "99");
}
let key = CookieKey::generate();
let cli = TestClient::new(index.with(CookieJarManager::with_key(key.clone())));
let cookie_jar = CookieJar::default();
cookie_jar
.private_with_key(&key)
.add(Cookie::new_with_str("value1", "88"));
cookie_jar
.signed_with_key(&key)
.add(Cookie::new_with_str("value2", "99"));
cli.get("/")
.header(
"cookie",
format!(
"value1={}; value2={}",
cookie_jar.get("value1").unwrap().value_str(),
cookie_jar.get("value2").unwrap().value_str()
),
)
.send()
.await
.assert_status_is_ok();
}
}