discourse/lib/auth/authenticator.rb
Sam Saffron 30990006a9 DEV: enable frozen string literal on all files
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.

Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
2019-05-13 09:31:32 +08:00

62 lines
1.8 KiB
Ruby

# frozen_string_literal: true
# this class is used by the user and omniauth controllers, it controls how
# an authentication system interacts with our database and middleware
class Auth::Authenticator
def name
raise NotImplementedError
end
def enabled?
raise NotImplementedError
end
# run once the user has completed authentication on the third party system. Should return an instance of Auth::Result.
# If the user has requested to connect an existing account then `existing_account` will be set
def after_authenticate(auth_options, existing_account: nil)
raise NotImplementedError
end
# can be used to hook in after the authentication process
# to ensure records exist for the provider in the db
# this MUST be implemented for authenticators that do not
# trust email
def after_create_account(user, auth)
# not required
end
# hook used for registering omniauth middleware,
# without this we can not authenticate
def register_middleware(omniauth)
raise NotImplementedError
end
# return a string describing the connected account
# for a given user (typically email address). Used to list
# connected accounts under the user's preferences. Empty string
# indicates not connected
def description_for_user(user)
""
end
# can authorisation for this provider be revoked?
def can_revoke?
false
end
# can exising discourse users connect this provider to their accounts
def can_connect_existing_user?
false
end
# optionally implement the ability for users to revoke
# their link with this authenticator.
# should ideally contact the third party to fully revoke
# permissions. If this fails, return :remote_failed.
# skip remote if skip_remote == true
def revoke(user, skip_remote: false)
raise NotImplementedError
end
end