[SSSD] [sssd PR#198][comment] secrets: support https in proxy provider

[jhrozek]

URL: https://github.com/SSSD/sssd/pull/198
Title: #198: secrets: support https in proxy provider

jhrozek commented:
"""
About the missing Content-Lenght, did you check with @tiran if this is a bug in Custodia?

Finally, I'm conflicted if we need to allow the options to disable peer verification and hostname verification. I would prefer to push admins towards fixing their setups, not just putting a bandaid over their issues.
"""

See the full comment at https://github.com/SSSD/sssd/pull/198#issuecomment-288351065