Implements CORS

src/utils/router_builder.rs

@@ -1,4 +1,6 @@
 use axum::Router;
+use http::Method;
+use tower_http::cors::{AllowOrigin, CorsLayer};
 
 pub struct RouterBuilder {
     router: Router,
@@ -16,6 +18,17 @@ impl RouterBuilder {
         return self;
     }
 
+    pub fn add_cors(&mut self, allowed_origins: Option<Vec<String>>) -> &mut Self {
+        let cors = CorsLayer::new()
+            .allow_methods([Method::GET, Method::POST, Method::OPTIONS])
+            .allow_origin(allowed_origins.map_or(AllowOrigin::any(), |origins| {
+                AllowOrigin::list(origins.iter().map(|s| s.parse().unwrap()))
+            }));
+
+        self.router = self.router.clone().layer(cors);
+        return self;
+    }
+
     pub fn build(&self) -> Router {
         self.router.clone()
     }