discourse/lib/auth/authenticator.rb

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# 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
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# 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
# return a string describing the connected account
# for a given OmniAuth::AuthHash. Used in the confirmation screen
# when connecting accounts
def description_for_auth_hash(user)
""
end
# can authorisation for this provider be revoked?
def can_revoke?
false
end
# can existing 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