fix httpauth extraction error handling in middleware (#128)

actix-web-httpauth/examples/cors.rs

@@ -0,0 +1,33 @@
+use actix_cors::Cors;
+use actix_web::{dev::ServiceRequest, get, App, Error, HttpResponse, HttpServer};
+use actix_web_httpauth::{
+    extractors::bearer::BearerAuth, middleware::HttpAuthentication,
+};
+
+async fn ok_validator(
+    req: ServiceRequest,
+    credentials: BearerAuth,
+) -> Result<ServiceRequest, Error> {
+    eprintln!("{:?}", credentials);
+    Ok(req)
+}
+
+#[get("/")]
+async fn index() -> HttpResponse {
+    HttpResponse::Ok().finish()
+}
+
+#[actix_web::main]
+async fn main() -> std::io::Result<()> {
+    HttpServer::new(move || {
+        App::new()
+            .wrap(HttpAuthentication::bearer(ok_validator))
+            // ensure the CORS middleware is wrapped around the httpauth middleware so it is able to
+            // add headers to error responses
+            .wrap(Cors::permissive())
+            .service(index)
+    })
+    .bind(("127.0.0.1", 8080))?
+    .run()
+    .await
+}

actix-web-httpauth/examples/middleware-closure.rs

@@ -2,7 +2,7 @@ use actix_web::{middleware, web, App, HttpServer};
 
 use actix_web_httpauth::middleware::HttpAuthentication;
 
-#[actix_rt::main]
+#[actix_web::main]
 async fn main() -> std::io::Result<()> {
     HttpServer::new(|| {
         let auth = HttpAuthentication::basic(|req, _credentials| async { Ok(req) });

actix-web-httpauth/examples/middleware.rs

@@ -11,7 +11,7 @@ async fn validator(
     Ok(req)
 }
 
-#[actix_rt::main]
+#[actix_web::main]
 async fn main() -> std::io::Result<()> {
     HttpServer::new(|| {
         let auth = HttpAuthentication::basic(validator);