fix: cors

src/deferred_data/src/http.rs

@@ -19,6 +19,11 @@ pub struct HttpApi;
 impl HttpApi {
     /// Handles an HTTP request
     pub async fn handle_http_request(req: HttpRequest) -> HttpResponse {
+        // handle CORS preflight request
+        if req.method == "OPTIONS" {
+            return HttpResponse::ok("".to_string());
+        }
+
         // must be a GET request
         if req.method != "GET" {
             return HttpResponse::bad_request("expected GET method".to_string());

src/did/src/common/http.rs

@@ -27,10 +27,25 @@ pub struct HttpResponse {
 impl HttpResponse {
     pub fn new(
         status_code: u16,
-        headers: HashMap<Cow<'static, str>, Cow<'static, str>>,
+        mut headers: HashMap<Cow<'static, str>, Cow<'static, str>>,
         body: ByteBuf,
         upgrade: Option<bool>,
     ) -> Self {
+        // Imposta le intestazioni per consentire CORS
+        let cors_headers = [
+            ("Access-Control-Allow-Origin", "*"),
+            ("Access-Control-Allow-Methods", "GET, POST, OPTIONS"),
+            (
+                "Access-Control-Allow-Headers",
+                "Content-Type, Authorization",
+            ),
+        ];
+
+        // insert CORS headers
+        for (k, v) in cors_headers.iter() {
+            headers.insert(Cow::Borrowed(*k), Cow::Borrowed(*v));
+        }
+
         Self {
             status_code,
             headers,