Backport #36805 by @ChristopherHX
* Use base64.RawURLEncoding to avoid equal sign
* using the nodejs package they seem to get lost
* Support uploads with unspecified length
* Support uploads with a single named blockid
* without requiring a blockmap
Signed-off-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: ChristopherHX <christopher.homberger@web.de>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>