Initial Commit

Initial implementation of RFC4559 for axum.

examples/basic.rs

@@ -0,0 +1,31 @@
+use axum::{error_handling::HandleErrorLayer, response::IntoResponse, routing::get, Router};
+use axum_negotiate::{NegotiateAuthLayer, Upn};
+use log::warn;
+use tokio::net::TcpListener;
+use tower::ServiceBuilder;
+
+#[tokio::main]
+async fn main() {
+    env_logger::init();
+
+    let spn = "HTTP/webserver.example.com";
+
+    let auth_service = ServiceBuilder::new()
+        .layer(HandleErrorLayer::new(|e: axum_negotiate::Error| async {
+            warn!("{}", e);
+            e.into_response()
+        }))
+        .layer(NegotiateAuthLayer::new(spn.to_owned()).unwrap());
+
+    let app = Router::new()
+        .route("/", get(hello_world))
+        .route_layer(auth_service);
+
+    let listener = TcpListener::bind("[::]:8080").await.unwrap();
+
+    axum::serve(listener, app).await.unwrap()
+}
+
+async fn hello_world(Upn(upn): Upn) -> impl IntoResponse {
+    format!("Hello {}", upn)
+}