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request_data_move.rs
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request_data_move.rs
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use std::{any::type_name, ops::Deref};
use actix_utils::future::{err, ok, Ready};
use crate::{
dev::Payload, error::ErrorInternalServerError, Error, FromRequest, HttpMessage as _,
HttpRequest,
};
#[derive(Debug, Clone)]
pub struct ReqDataMove<T: 'static>(T);
impl<T: 'static> ReqDataMove<T> {
/// Consumes the `ReqDataMove`, returning its wrapped data.
pub fn into_inner(self) -> T {
self.0
}
}
impl<T: 'static> Deref for ReqDataMove<T> {
type Target = T;
fn deref(&self) -> &T {
&self.0
}
}
impl<T: 'static> FromRequest for ReqDataMove<T> {
type Error = Error;
type Future = Ready<Result<Self, Error>>;
fn from_request(req: &HttpRequest, _: &mut Payload) -> Self::Future {
if let Some(st) = req.extensions_mut().remove::<T>() {
ok(ReqDataMove(st))
} else {
log::debug!(
"Failed to construct App-level ReqDataMove extractor. \
Request path: {:?} (type: {})",
req.path(),
type_name::<T>(),
);
err(ErrorInternalServerError(
"Missing expected request extension data",
))
}
}
}
/* #[cfg(test)]
mod tests {
use std::{cell::RefCell, rc::Rc};
use futures_util::TryFutureExt as _;
use super::*;
use crate::{
dev::Service,
http::{Method, StatusCode},
test::{init_service, TestRequest},
web, App, HttpMessage, HttpResponse,
};
#[actix_rt::test]
async fn req_data_extractor() {
let srv = init_service(
App::new()
.wrap_fn(|req, srv| {
if req.method() == Method::POST {
req.extensions_mut().insert(42u32);
}
srv.call(req)
})
.service(web::resource("/test").to(
|req: HttpRequest, data: Option<ReqDataMove<u32>>| {
if req.method() != Method::POST {
assert!(data.is_none());
}
if let Some(data) = data {
assert_eq!(*data, 42);
assert_eq!(
Some(data.into_inner()),
req.extensions().get::<u32>().copied()
);
}
HttpResponse::Ok()
},
)),
)
.await;
let req = TestRequest::get().uri("/test").to_request();
let resp = srv.call(req).await.unwrap();
assert_eq!(resp.status(), StatusCode::OK);
let req = TestRequest::post().uri("/test").to_request();
let resp = srv.call(req).await.unwrap();
assert_eq!(resp.status(), StatusCode::OK);
}
#[actix_rt::test]
async fn req_data_internal_mutability() {
let srv = init_service(
App::new()
.wrap_fn(|req, srv| {
let data_before = Rc::new(RefCell::new(42u32));
req.extensions_mut().insert(data_before);
srv.call(req).map_ok(|res| {
{
let ext = res.request().extensions();
let data_after = ext.get::<Rc<RefCell<u32>>>().unwrap();
assert_eq!(*data_after.borrow(), 53u32);
}
res
})
})
.default_service(web::to(|data: ReqDataMove<Rc<RefCell<u32>>>| {
assert_eq!(*data.borrow(), 42);
*data.borrow_mut() += 11;
assert_eq!(*data.borrow(), 53);
HttpResponse::Ok()
})),
)
.await;
let req = TestRequest::get().uri("/test").to_request();
let resp = srv.call(req).await.unwrap();
assert_eq!(resp.status(), StatusCode::OK);
}
} */