rocket_simple_authorization/
macros.rs

1/// To let a struct which implements the `SimpleAuthorization` trait become an authorizer.
2#[macro_export]
3macro_rules! authorizer {
4    ($name:ty) => {
5        #[$crate::rocket::async_trait]
6        impl<'r> $crate::rocket::request::FromRequest<'r> for $name {
7            type Error = ();
8
9            async fn from_request(
10                request: &'r $crate::rocket::request::Request<'_>,
11            ) -> $crate::rocket::request::Outcome<Self, Self::Error> {
12                let key: Option<&str> = request.headers().get("authorization").next();
13
14                match <$name as $crate::SimpleAuthorization>::authorizing(request, key).await {
15                    Some(ins) => $crate::rocket::outcome::Outcome::Success(ins),
16                    None => $crate::rocket::outcome::Outcome::Forward(
17                        $crate::rocket::http::Status::Unauthorized,
18                    ),
19                }
20            }
21        }
22    };
23    (ref $name:ty) => {
24        $crate::authorizer!($name);
25
26        #[$crate::rocket::async_trait]
27        impl<'r> $crate::rocket::request::FromRequest<'r> for &'r $name {
28            type Error = ();
29
30            async fn from_request(
31                request: &'r $crate::rocket::request::Request<'_>,
32            ) -> $crate::rocket::request::Outcome<Self, Self::Error> {
33                async fn f(request: &$crate::rocket::request::Request<'_>) -> Option<$name> {
34                    let key: Option<&str> = request.headers().get("authorization").next();
35
36                    match <$name as $crate::SimpleAuthorization>::authorizing(request, key).await {
37                        Some(ins) => Some(ins),
38                        None => None,
39                    }
40                }
41
42                let cache = request.local_cache_async(f(request)).await;
43
44                match cache.as_ref() {
45                    Some(cache) => $crate::rocket::outcome::Outcome::Success(cache),
46                    None => $crate::rocket::outcome::Outcome::Forward(
47                        $crate::rocket::http::Status::Unauthorized,
48                    ),
49                }
50            }
51        }
52    };
53}
rocket_simple_authorization/macros.rs

rocket_simple_authorization/
macros.rs
