[feat] Preserve version supplied by client (#9854)

Just like GET/DELETE APIs it is possible to preserve
client supplied versionId's, of course the versionIds
have to be uuid, if an existing versionId is found
it is overwritten if no object locking policies
are found.

- PUT /bucketname/objectname?versionId=<id>
- POST /bucketname/objectname?uploads=&versionId=<id>
- PUT /bucketname/objectname?verisonId=<id> (with x-amz-copy-source)

cmd/encryption-v1.go

@@ -963,13 +963,32 @@ func delOpts(ctx context.Context, r *http.Request, bucket, object string) (opts
 // get ObjectOptions for PUT calls from encryption headers and metadata
 func putOpts(ctx context.Context, r *http.Request, bucket, object string, metadata map[string]string) (opts ObjectOptions, err error) {
 	versioned := globalBucketVersioningSys.Enabled(bucket)
+	vid := strings.TrimSpace(r.URL.Query().Get("versionId"))
+	if vid != "" && vid != nullVersionID {
+		_, err := uuid.Parse(vid)
+		if err != nil {
+			logger.LogIf(ctx, err)
+			return opts, VersionNotFound{
+				Bucket:    bucket,
+				Object:    object,
+				VersionID: vid,
+			}
+		}
+	}
+
 	// In the case of multipart custom format, the metadata needs to be checked in addition to header to see if it
 	// is SSE-S3 encrypted, primarily because S3 protocol does not require SSE-S3 headers in PutObjectPart calls
 	if GlobalGatewaySSE.SSES3() && (crypto.S3.IsRequested(r.Header) || crypto.S3.IsEncrypted(metadata)) {
-		return ObjectOptions{ServerSideEncryption: encrypt.NewSSE(), UserDefined: metadata, Versioned: versioned}, nil
+		return ObjectOptions{
+			ServerSideEncryption: encrypt.NewSSE(),
+			UserDefined:          metadata,
+			VersionID:            vid,
+			Versioned:            versioned,
+		}, nil
 	}
 	if GlobalGatewaySSE.SSEC() && crypto.SSEC.IsRequested(r.Header) {
 		opts, err = getOpts(ctx, r, bucket, object)
+		opts.VersionID = vid
 		opts.Versioned = versioned
 		opts.UserDefined = metadata
 		return
@@ -983,13 +1002,19 @@ func putOpts(ctx context.Context, r *http.Request, bucket, object string, metada
 		if err != nil {
 			return ObjectOptions{}, err
 		}
-		return ObjectOptions{ServerSideEncryption: sseKms, UserDefined: metadata, Versioned: versioned}, nil
+		return ObjectOptions{
+			ServerSideEncryption: sseKms,
+			UserDefined:          metadata,
+			VersionID:            vid,
+			Versioned:            versioned,
+		}, nil
 	}
 	// default case of passing encryption headers and UserDefined metadata to backend
 	opts, err = getDefaultOpts(r.Header, false, metadata)
 	if err != nil {
 		return opts, err
 	}
+	opts.VersionID = vid
 	opts.Versioned = versioned
 	return opts, nil
 }

cmd/erasure-multipart.go

@@ -142,8 +142,11 @@ func (er erasureObjects) newMultipartUpload(ctx context.Context, bucket string,
 
 	// Calculate the version to be saved.
 	if opts.Versioned {
+		fi.VersionID = opts.VersionID
+		if fi.VersionID == "" {
 			fi.VersionID = mustGetUUID()
 		}
+	}
 
 	fi.DataDir = mustGetUUID()
 	fi.ModTime = UTCNow()

cmd/erasure-object.go

@@ -608,8 +608,11 @@ func (er erasureObjects) putObject(ctx context.Context, bucket string, object st
 	fi := newFileInfo(object, dataDrives, parityDrives)
 
 	if opts.Versioned {
+		fi.VersionID = opts.VersionID
+		if fi.VersionID == "" {
 			fi.VersionID = mustGetUUID()
 		}
+	}
 	fi.DataDir = mustGetUUID()
 
 	// Initialize erasure metadata.

cmd/erasure-sets.go

@@ -794,7 +794,12 @@ func (s *erasureSets) CopyObject(ctx context.Context, srcBucket, srcObject, dstB
 		return srcSet.CopyObject(ctx, srcBucket, srcObject, dstBucket, dstObject, srcInfo, srcOpts, dstOpts)
 	}
 
-	putOpts := ObjectOptions{ServerSideEncryption: dstOpts.ServerSideEncryption, UserDefined: srcInfo.UserDefined}
+	putOpts := ObjectOptions{
+		ServerSideEncryption: dstOpts.ServerSideEncryption,
+		UserDefined:          srcInfo.UserDefined,
+		Versioned:            dstOpts.Versioned,
+		VersionID:            dstOpts.VersionID,
+	}
 	return dstSet.putObject(ctx, dstBucket, dstObject, srcInfo.PutObjReader, putOpts)
 }
 

cmd/erasure-zones.go

@@ -594,7 +594,13 @@ func (z *erasureZones) CopyObject(ctx context.Context, srcBucket, srcObject, dst
 		return objInfo, err
 	}
 
-	putOpts := ObjectOptions{ServerSideEncryption: dstOpts.ServerSideEncryption, UserDefined: srcInfo.UserDefined}
+	putOpts := ObjectOptions{
+		ServerSideEncryption: dstOpts.ServerSideEncryption,
+		UserDefined:          srcInfo.UserDefined,
+		Versioned:            dstOpts.Versioned,
+		VersionID:            dstOpts.VersionID,
+	}
+
 	if cpSrcDstSame && srcInfo.metadataOnly {
 		return z.zones[zoneIdx].CopyObject(ctx, srcBucket, srcObject, dstBucket, dstObject, srcInfo, srcOpts, dstOpts)
 	}

cmd/object-handlers.go

@@ -1735,6 +1735,7 @@ func (api objectAPIHandlers) CopyObjectPartHandler(w http.ResponseWriter, r *htt
 	if srcOpts.ServerSideEncryption != nil {
 		getOpts.ServerSideEncryption = encrypt.SSE(srcOpts.ServerSideEncryption)
 	}
+
 	dstOpts, err = copyDstOpts(ctx, r, dstBucket, dstObject, nil)
 	if err != nil {
 		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))

cmd/xl-storage-format-v2.go

@@ -237,14 +237,16 @@ func (z *xlMetaV2) AddVersion(fi FileInfo) error {
 		return nil
 	}
 
-	var uv uuid.UUID
-	var err error
-	// null version Id means empty version Id.
-	if fi.VersionID == nullVersionID {
-		fi.VersionID = ""
+	if fi.VersionID == "" {
+		// this means versioning is not yet
+		// enabled i.e all versions are basically
+		// default value i.e "null"
+		fi.VersionID = nullVersionID
 	}
 
-	if fi.VersionID != "" {
+	var uv uuid.UUID
+	var err error
+	if fi.VersionID != "" && fi.VersionID != nullVersionID {
 		uv, err = uuid.Parse(fi.VersionID)
 		if err != nil {
 			return err