4.3. Plugin response

class safeguard.sessions.plugin.plugin_response.AAResponse

The AAResponse class represents an AA plugin response and provides methods for creating and modifying such responses.

#!/usr/bin/env pluginwrapper3

from safeguard.sessions.plugin import AAResponse

class Plugin:
    def authenticate(self, gateway_user):
        if is_on_whitelist(gateway_user):
            return AAResponse.accept()
        elif is_on_blacklist(gateway_user):
            return AAResponse.deny()
        else:
            return AAResponse.need_info("Who are you?", 'username')

classmethod accept(reason=None)

Create a new ACCEPT response.

Parameters:reason (str) – will be placed in the metadata as {"reason": reason} Return type:AAResponse

classmethod deny(reason=None)

Create a new DENY response.

Parameters:reason (str) – will be placed in the metadata as {"reason": reason} Return type:AAResponse

classmethod need_info(question, key, disable_echo=False)

Create a new NEEDINFO response.

Parameters:

• question (str) – question (or prompt) to display for the user
• key (str) – identifier key for the response (this will key the response in key_value_pairs parameter)
• disable_echo (bool) – turn echo off for the user input (useful for e.g. password input); default: False

Return type:

AAResponse

with_additional_metadata(additional_metadata)

Set the additional metadata field in the response. Overwrites previous reason given in accept(), deny().

Parameters:additional_metadata – this value will be stored a JSON in the Additional metadata column of the meta database. Return type:AAResponse

with_cookie(cookie)

Extend the response with a cookie.

Parameters:cookie (dict) – this value will be passed to the next call of the plugin in the cookie parameter Return type:AAResponse

with_gateway_user(gateway_user, gateway_groups=())

Extend the response with a gateway username and its groups.

Parameters:

• gateway_user (str) – this value will override the current gateway user
• gateway_groups (seq) – these will override the current gateway user’s groups; default: empty

Return type:

AAResponse

with_session_cookie(session_cookie)

Extend the response with a session cookie.

Parameters:session_cookie (dict) – this value will be passed to other plugins’ (e.g. credstore) calls in their session_cookie parameter Return type:AAResponse