idk

backend/src/main.rs

@@ -2,9 +2,11 @@
 #[macro_use]
 extern crate rocket;
 
+use rocket::http::Method;
 use rocket::response::stream::{Event, EventStream};
 use rocket::serde::json::Json;
 use rocket::{Build, Rocket};
+use rocket_cors::{AllowedOrigins, CorsOptions};
 use serde::Deserialize;
 use std::sync::Arc;
 use tokio::sync::broadcast;
@@ -67,7 +69,18 @@ async fn event_stream(chat: &rocket::State<Arc<ChatBroadcaster>>) -> EventStream
 fn rocket() -> Rocket<Build> {
     let chat = Arc::new(ChatBroadcaster::new(32));
 
+    let cors = CorsOptions::default()
+        .allowed_origins(AllowedOrigins::all())
+        .allowed_methods(
+            vec![Method::Get, Method::Post, Method::Patch]
+                .into_iter()
+                .map(From::from)
+                .collect(),
+        )
+        .allow_credentials(true);
+
     rocket::build()
         .manage(chat)
+        .attach(cors.to_cors().unwrap())
         .mount("/", routes![post_message, event_stream])
 }