Method setMetaData

backend/googlecloudstorage/googlecloudstorage.go:1229–1278

setMetaData sets the fs data from a storage.Object

(info *storage.Object)

// setMetaData sets the fs data from a storage.Object
func (o *Object) setMetaData(info *storage.Object) {
	o.url = info.MediaLink
	o.bytes = int64(info.Size)
	o.mimeType = info.ContentType
	o.gzipped = info.ContentEncoding == "gzip"

	// Read md5sum
	md5sumData, err := base64.StdEncoding.DecodeString(info.Md5Hash)
	if err != nil {
		fs.Logf(o, "Bad MD5 decode: %v", err)
	} else {
		o.md5sum = hex.EncodeToString(md5sumData)
	}

	// read mtime out of metadata if available
	mtimeString, ok := info.Metadata[metaMtime]
	if ok {
		modTime, err := time.Parse(timeFormat, mtimeString)
		if err == nil {
			o.modTime = modTime
			return
		}
		fs.Debugf(o, "Failed to read mtime from metadata: %s", err)
	}

	// Fallback to GSUtil mtime
	mtimeGsutilString, ok := info.Metadata[metaMtimeGsutil]
	if ok {
		unixTimeSec, err := strconv.ParseInt(mtimeGsutilString, 10, 64)
		if err == nil {
			o.modTime = time.Unix(unixTimeSec, 0)
			return
		}
		fs.Debugf(o, "Failed to read GSUtil mtime from metadata: %s", err)
	}

	// Fallback to the Updated time
	modTime, err := time.Parse(timeFormat, info.Updated)
	if err != nil {
		fs.Logf(o, "Bad time decode: %v", err)
	} else {
		o.modTime = modTime
	}

	// If gunzipping then size and md5sum are unknown
	if o.gzipped && o.fs.opt.Decompress {
		o.bytes = -1
		o.md5sum = ""
	}
}

// readObjectInfo reads the definition for an object
func (o *Object) readObjectInfo(ctx context.Context) (object *storage.Object, err error) {