at_jet/middleware/
auth.rs

1//! Authentication middleware
2
3use {axum::{http::Request,
4            middleware::Next,
5            response::Response},
6     std::{future::Future,
7           pin::Pin,
8           task::{Context,
9                  Poll}},
10     tower::{Layer,
11             Service}};
12
13/// Authentication layer
14///
15/// Placeholder for authentication middleware.
16/// Implement your own authentication logic here.
17#[derive(Clone)]
18pub struct AuthLayer;
19
20impl<S> Layer<S> for AuthLayer {
21  type Service = AuthMiddleware<S>;
22
23  fn layer(&self, inner: S) -> Self::Service {
24    AuthMiddleware { inner }
25  }
26}
27
28/// Authentication middleware service
29#[derive(Clone)]
30pub struct AuthMiddleware<S> {
31  inner: S,
32}
33
34impl<S, ReqBody> Service<Request<ReqBody>> for AuthMiddleware<S>
35where
36  S: Service<Request<ReqBody>, Response = Response> + Clone + Send + 'static,
37  S::Future: Send,
38  ReqBody: Send + 'static,
39{
40  type Error = S::Error;
41  type Future = Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>> + Send>>;
42  type Response = S::Response;
43
44  fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
45    self.inner.poll_ready(cx)
46  }
47
48  fn call(&mut self, req: Request<ReqBody>) -> Self::Future {
49    let mut inner = self.inner.clone();
50
51    Box::pin(async move {
52      // TODO: Implement authentication logic
53      // Example:
54      // let auth_header = req.headers().get("Authorization");
55      // if auth_header.is_none() {
56      //     return Ok(Response::builder()
57      //         .status(401)
58      //         .body("Unauthorized".into())
59      //         .unwrap());
60      // }
61
62      inner.call(req).await
63    })
64  }
65}
66
67/// Simple bearer token validation helper
68pub async fn validate_bearer_token(
69  req: Request<axum::body::Body>,
70  next: Next,
71) -> Result<Response, axum::http::StatusCode> {
72  let auth_header = req.headers().get("Authorization").and_then(|h| h.to_str().ok());
73
74  match auth_header {
75    | Some(header) if header.starts_with("Bearer ") => {
76      let _token = &header[7 ..];
77      // TODO: Validate token
78      Ok(next.run(req).await)
79    }
80    | _ => Err(axum::http::StatusCode::UNAUTHORIZED),
81  }
82}
at_jet/middleware/auth.rs

at_jet/middleware/
auth.rs
