From 33a3b367823f5d7d44d325438aa463ac6e0e5653 Mon Sep 17 00:00:00 2001
From: Herr Seppia <seppia@dusk.network>
Date: Mon, 14 Oct 2024 11:53:09 +0200
Subject: [PATCH] rusk: RUES - handle `Accept` request

---
 rusk/src/lib/http.rs       |  4 ++--
 rusk/src/lib/http/event.rs | 20 ++++++++++++++++----
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/rusk/src/lib/http.rs b/rusk/src/lib/http.rs
index 5eaa984af4..e441f1db3a 100644
--- a/rusk/src/lib/http.rs
+++ b/rusk/src/lib/http.rs
@@ -702,7 +702,7 @@ async fn handle_request_rues<H: HandleRequest>(
 
         Ok(response.map(Into::into))
     } else if req.method() == Method::POST {
-        let event = RuesDispatchEvent::from_request(req).await?;
+        let (event, binary_resp) = RuesDispatchEvent::from_request(req).await?;
         let is_binary = event.is_binary();
         let mut resp_headers = event.x_headers();
         let (responder, mut receiver) = mpsc::unbounded_channel();
@@ -713,7 +713,7 @@ async fn handle_request_rues<H: HandleRequest>(
             .await
             .expect("An execution should always return a response");
         resp_headers.extend(execution_response.headers.clone());
-        let mut resp = execution_response.into_http(is_binary)?;
+        let mut resp = execution_response.into_http(binary_resp)?;
 
         for (k, v) in resp_headers {
             let k = HeaderName::from_str(&k)?;
diff --git a/rusk/src/lib/http/event.rs b/rusk/src/lib/http/event.rs
index e06e95fe6d..56ad7f27d9 100644
--- a/rusk/src/lib/http/event.rs
+++ b/rusk/src/lib/http/event.rs
@@ -836,7 +836,9 @@ impl RuesDispatchEvent {
             .map(|v| v.eq_ignore_ascii_case(CONTENT_TYPE_BINARY))
             .unwrap_or_default()
     }
-    pub async fn from_request(req: Request<Incoming>) -> anyhow::Result<Self> {
+    pub async fn from_request(
+        req: Request<Incoming>,
+    ) -> anyhow::Result<(Self, bool)> {
         let (parts, body) = req.into_parts();
 
         let uri = RuesEventUri::parse_from_path(parts.uri.path())
@@ -865,9 +867,19 @@ impl RuesDispatchEvent {
             .and_then(|h| h.to_str().ok())
             .unwrap_or_default();
 
+        let binary_request = content_type == CONTENT_TYPE_BINARY;
+
+        let binary_response = binary_request
+            || parts
+                .headers
+                .get(ACCEPT)
+                .and_then(|h| h.to_str().ok())
+                .map(|v| v.eq_ignore_ascii_case(CONTENT_TYPE_BINARY))
+                .unwrap_or_default();
+
         let bytes = body.collect().await?.to_bytes().to_vec();
-        let data = match content_type {
-            CONTENT_TYPE_BINARY => bytes.into(),
+        let data = match binary_request {
+            true => bytes.into(),
             _ => {
                 let text = String::from_utf8(bytes)
                     .map_err(|e| anyhow::anyhow!("Invalid utf8"))?;
@@ -885,7 +897,7 @@ impl RuesDispatchEvent {
 
         let ret = RuesDispatchEvent { headers, data, uri };
 
-        Ok(ret)
+        Ok((ret, binary_response))
     }
 }