Added CORS support

src/main.rs

@@ -45,6 +45,44 @@ mod init {
     )]
     struct ApiDoc;
 
+    mod cors {
+        // use tower_http::cors::AllowOrigin;
+        // use tower_http::cors::CorsLayer;
+        // use axum::routing::get;
+        // use axum::routing::Router;
+
+        pub fn configure_cors() -> tower_http::cors::CorsLayer {
+            // Start building the CORS layer with common settings
+            let cors = tower_http::cors::CorsLayer::new()
+                .allow_methods([axum::http::Method::GET, axum::http::Method::POST, axum::http::Method::PUT, axum::http::Method::DELETE]) // Specify allowed methods:cite[2]
+                .allow_headers([axum::http::header::CONTENT_TYPE, axum::http::header::AUTHORIZATION]) // Specify allowed headers:cite[2]
+                .allow_credentials(true) // If you need to send cookies or authentication headers:cite[2]
+                .max_age(std::time::Duration::from_secs(3600)); // Cache the preflight response for 1 hour:cite[2]
+
+            // Dynamically set the allowed origin based on the environment
+            match std::env::var("ENVIRONMENT").as_deref() {
+                Ok("production") => {
+                    // In production, allow only your specific, trusted origins
+                    cors.allow_origin(vec![
+                        "https://www.your-production-domain.com".parse::<axum::http::HeaderValue>().unwrap(),
+                        "https://your-production-domain.com".parse().unwrap(),
+                    ])
+                }
+                Ok("staging") => {
+                    // Staging environment
+                    cors.allow_origin("https://staging.your-domain.com".parse::<axum::http::HeaderValue>().unwrap())
+                }
+                _ => {
+                    // Development (default): Allow localhost origins
+                    cors.allow_origin(vec![
+                        "http://localhost:3000".parse().unwrap(),
+                        "http://127.0.0.1:3000".parse().unwrap(),
+                    ])
+                }
+            }
+        }
+    }
+
     pub async fn routes() -> Router {
         // build our application with a route
         Router::new()
@@ -72,6 +110,7 @@ mod init {
                 callers::endpoints::REFRESH_TOKEN,
                 post(callers::login::endpoint::refresh_token),
             )
+            .layer(cors::configure_cors())
     }
 
     pub async fn app() -> Router {