From 307fff4a330f9098c9e79ae446fe23580e8cf6bb Mon Sep 17 00:00:00 2001
From: veeso <christian.visintin@veeso.dev>
Date: Sun, 15 Dec 2024 16:53:19 +0100
Subject: [PATCH] fix: cors

---
 src/deferred_data/src/http.rs |  5 +++++
 src/did/src/common/http.rs    | 17 ++++++++++++++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/deferred_data/src/http.rs b/src/deferred_data/src/http.rs
index f3d3dab..0f745c3 100644
--- a/src/deferred_data/src/http.rs
+++ b/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());
diff --git a/src/did/src/common/http.rs b/src/did/src/common/http.rs
index 9e0141f..96d2a5b 100644
--- a/src/did/src/common/http.rs
+++ b/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,