DPI signatures for community subscriptions

[gsanchietti]

Provide updated DPI signatures for both community and enterprise subscription types, ensuring all users have access to the latest DPI data.

Required changes

1. Provide access to udated DPI signatures: enable updates for both community and enterprise subscriptions.
2. Setup new Base URLs for uthentication: Enterprise:

    curl -vL 'https://user:pass@sp.nethesis.it/enterprise/'

   Community:

    curl -vL 'https://user:pass@sp.nethesis.it/community/'

Changes to ns-dpi package:

• modify the package to support the new base URLs for fetching DPI signatures
• ensure authentication mechanisms are in place to handle both subscription types

Example: download categories:

curl -vL 'https://system_id:system_secret@sp.nethesis.it/community/categories?settings_version=4.4.3&settings_format=netifyd'

[github-actions[bot]]

Testing image version: 8-23.05.3-ns.1.0.1-27-g5dc7bc2

[gsanchietti]

Test case 1

• Install a clean machine
• Register the machine with a community subscription
• Verify the machine can see all signatures from the DPI page (check if NordVPN application is enabled)

Test case 2

• Install a clean machine
• Register the machine with an enterprise subscription
• Verify the machine can see all signatures from the DPI page (check if NordVPN application is enabled)

Test case 3

• Install a machine using an older images
• Register the machine with an enterprise subscription
• Update the machine
• Verify the machine can still see all signatures from the DPI page (check if NordVPN application is enabled)

[Tbaile]

• [x] Test case 1
• [x] Test case 2
• [x] Test case 3