From ac04934daefe48ac4f41d22b9129d1fe2ce44833 Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Fri, 20 Oct 2023 10:29:03 +0200
Subject: [PATCH] s3 api: add missing CORS headers to PostObject responses (fix
 #609)

---
 src/api/s3/post_object.rs | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/api/s3/post_object.rs b/src/api/s3/post_object.rs
index 542b7a81..f9eccb7f 100644
--- a/src/api/s3/post_object.rs
+++ b/src/api/s3/post_object.rs
@@ -15,6 +15,7 @@ use serde::Deserialize;
 
 use garage_model::garage::Garage;
 
+use crate::s3::cors::*;
 use crate::s3::error::*;
 use crate::s3::put::{get_headers, save_stream};
 use crate::s3::xml as s3_xml;
@@ -242,7 +243,7 @@ pub async fn handle_post_object(
 
 	let etag = format!("\"{}\"", md5);
 
-	let resp = if let Some(mut target) = params
+	let mut resp = if let Some(mut target) = params
 		.get("success_action_redirect")
 		.and_then(|h| h.to_str().ok())
 		.and_then(|u| url::Url::parse(u).ok())
@@ -262,8 +263,7 @@ pub async fn handle_post_object(
 	} else {
 		let path = head
 			.uri
-			.into_parts()
-			.path_and_query
+			.path_and_query()
 			.map(|paq| paq.path().to_string())
 			.unwrap_or_else(|| "/".to_string());
 		let authority = head
@@ -308,6 +308,13 @@ pub async fn handle_post_object(
 		}
 	};
 
+	let matching_cors_rule =
+		find_matching_cors_rule(&bucket, &Request::from_parts(head, Body::empty()))?;
+	if let Some(rule) = matching_cors_rule {
+		add_cors_headers(&mut resp, rule)
+			.ok_or_internal_error("Invalid bucket CORS configuration")?;
+	}
+
 	Ok(resp)
 }