Added temporary CORS fix

src/main.rs

@@ -3,8 +3,36 @@ extern crate rocket;
 
 use fej_lib::{catchers, ivago};
 
+// Very temporary solution for CORS
+// https://stackoverflow.com/questions/62412361/how-to-set-up-cors-or-options-for-rocket-rs
+use rocket::fairing::{Fairing, Info, Kind};
+use rocket::http::Header;
+use rocket::{Request, Response};
+
+pub struct CORS;
+
+impl Fairing for CORS {
+    fn info(&self) -> Info {
+        Info {
+            name: "Add CORS headers to responses",
+            kind: Kind::Response,
+        }
+    }
+
+    fn on_response(&self, _: &Request, response: &mut Response) {
+        response.set_header(Header::new("Access-Control-Allow-Origin", "*"));
+        response.set_header(Header::new(
+            "Access-Control-Allow-Methods",
+            "POST, GET, PATCH, OPTIONS",
+        ));
+        response.set_header(Header::new("Access-Control-Allow-Headers", "*"));
+        response.set_header(Header::new("Access-Control-Allow-Credentials", "true"));
+    }
+}
+
 fn rocket() -> rocket::Rocket {
     rocket::ignite()
+        .attach(CORS)
         .mount("/ivago", ivago::routes())
         .register(catchers![catchers::not_found])
 }