Add support for Openstak Fernet tokens

[sampsapenna]

Description

This PR changes the login token syntax check to perform a rudimentary check for the token being a Fernet token. It does this by checking the magic byte and valid decoding of base64. (not much else we can do without the symmetric encryption key)

Related issues

• Fixes issue Usabilty with any Openstack environment #177 by allowing Openstack Fernet tokens to flow through the login endpoint.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update (this needs a follow up PR)

Changes Made

• Add rudimentary check's for the token being an Openstack Fernet token

Testing

• Unit Tests
• Integration Tests
• Tests do not apply
• Needs testing (start an issue or do a follow up PR about it)

Mentions