Plugin does not respect Nexus routing rule

[ArjenB96]

Hi there, managed to implement your plugin into our Nexus Repository server, but it does not seem to respect any routing rules.
Other proxies (such as PyPi-proxy) do respect the routing rules.

• What are you trying to do?
  Block specific providers/modules from being served through nexus repository.
  I do this through Nexus Repository 3 with its native Routing Rule feature.
  If I apply a blacklist with .*, I expect it to not pull in anything, as that is the behaviour with other proxies.
  Instead, everything is pulled in regardless of any whitelist/blacklist rule.

• What feature or behavior is this required for?
  Provider/module filtering through routing rules.

• How could we solve this issue? (Not knowing is okay!)
  Not sure how the integration works, I am more of an infrastructure engineer than a software dev.

• Anything else?
  Nothing for now.

Thanks in advance for your reply!

cc @DarthHater @bhamail