According to the doc (https://developer.qiniu.com/kodo/manual/1231/appendix#1), we should use URL-safe base64 instead of plain base64 for token calculation.
QINIU_CDN_DOMAIN
Le_Deploy_Qiniu_*
QINIU_*
_savedomainconf
awk
sed
tr
Upload certificate and privkey to Qiniu's CDN service with https://developer.qiniu.com/fusion/api/4248/certificate