feat: re-install vm

closes #10

src/cors.rs

@@ -1,8 +1,9 @@
 use rocket::fairing::{Fairing, Info, Kind};
-use rocket::http::{Header, Method, Status};
-use rocket::{Request, Response};
-use std::io::Cursor;
+use rocket::http::Header;
+use rocket::route::{Handler, Outcome};
+use rocket::{Data, Request, Response};
 
+#[derive(Clone)]
 pub struct CORS;
 
 #[rocket::async_trait]
@@ -14,7 +15,7 @@ impl Fairing for CORS {
         }
     }
 
-    async fn on_response<'r>(&self, req: &'r Request<'_>, response: &mut Response<'r>) {
+    async fn on_response<'r>(&self, _req: &'r Request<'_>, response: &mut Response<'r>) {
         response.set_header(Header::new("Access-Control-Allow-Origin", "*"));
         response.set_header(Header::new(
             "Access-Control-Allow-Methods",
@@ -22,11 +23,12 @@ impl Fairing for CORS {
         ));
         response.set_header(Header::new("Access-Control-Allow-Headers", "*"));
         response.set_header(Header::new("Access-Control-Allow-Credentials", "true"));
-
-        // force status 200 for options requests
-        if req.method() == Method::Options {
-            response.set_status(Status::Ok);
-            response.set_sized_body(None, Cursor::new(""))
-        }
+    }
+}
+
+#[rocket::async_trait]
+impl Handler for CORS {
+    async fn handle<'r>(&self, _request: &'r Request<'_>, _data: Data<'r>) -> Outcome<'r> {
+        Outcome::Success(Response::new())
     }
 }