From 659e7bfc97b28d2970b23b474b9528d90c3915f8 Mon Sep 17 00:00:00 2001
From: Angira Kekteeva <kira@nspcc.ru>
Date: Fri, 5 Aug 2022 05:15:24 +0400
Subject: [PATCH] [#577] Fix version in GetObject and HeadObject

Signed-off-by: Angira Kekteeva <kira@nspcc.ru>
---
 api/handler/get.go  | 15 ++++++++++++---
 api/handler/head.go |  8 +++++++-
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/api/handler/get.go b/api/handler/get.go
index a287c1fb2..5d402840e 100644
--- a/api/handler/get.go
+++ b/api/handler/get.go
@@ -71,7 +71,7 @@ func overrideResponseHeaders(h http.Header, query url.Values) {
 	}
 }
 
-func writeHeaders(h http.Header, extendedInfo *data.ExtendedObjectInfo, tagSetLength int) {
+func writeHeaders(h http.Header, extendedInfo *data.ExtendedObjectInfo, tagSetLength int, isBucketUnversioned bool) {
 	info := extendedInfo.ObjectInfo
 	if len(info.ContentType) > 0 && h.Get(api.ContentType) == "" {
 		h.Set(api.ContentType, info.ContentType)
@@ -79,9 +79,12 @@ func writeHeaders(h http.Header, extendedInfo *data.ExtendedObjectInfo, tagSetLe
 	h.Set(api.LastModified, info.Created.UTC().Format(http.TimeFormat))
 	h.Set(api.ContentLength, strconv.FormatInt(info.Size, 10))
 	h.Set(api.ETag, info.HashSum)
-	h.Set(api.AmzVersionID, extendedInfo.Version())
 	h.Set(api.AmzTaggingCount, strconv.Itoa(tagSetLength))
 
+	if !isBucketUnversioned {
+		h.Set(api.AmzVersionID, extendedInfo.Version())
+	}
+
 	if cacheControl := info.Headers[api.CacheControl]; cacheControl != "" {
 		h.Set(api.CacheControl, cacheControl)
 	}
@@ -160,7 +163,13 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	writeHeaders(w.Header(), extendedInfo, len(tagSet))
+	bktSettings, err := h.obj.GetBucketSettings(r.Context(), bktInfo)
+	if err != nil {
+		h.logAndSendError(w, "could not get bucket settings", reqInfo, err)
+		return
+	}
+
+	writeHeaders(w.Header(), extendedInfo, len(tagSet), bktSettings.Unversioned())
 	if params != nil {
 		writeRangeHeaders(w, params, info.Size)
 	} else {
diff --git a/api/handler/head.go b/api/handler/head.go
index b2ea61af1..1854b3d4d 100644
--- a/api/handler/head.go
+++ b/api/handler/head.go
@@ -92,7 +92,13 @@ func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	writeHeaders(w.Header(), extendedInfo, len(tagSet))
+	bktSettings, err := h.obj.GetBucketSettings(r.Context(), bktInfo)
+	if err != nil {
+		h.logAndSendError(w, "could not get bucket settings", reqInfo, err)
+		return
+	}
+
+	writeHeaders(w.Header(), extendedInfo, len(tagSet), bktSettings.Unversioned())
 	w.WriteHeader(http.StatusOK)
 }