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# frozen_string_literal: true
module Subscriptions
class BaseSubscription < GraphQL::Schema::Subscription
object_class Types::BaseObject
field_class Types::BaseField
UNAUTHORIZED_ERROR_MESSAGE = 'Unauthorized subscription'
def initialize(object:, context:, field:)
super
# Reset user so that we don't use a stale user for authorization
current_user.reset if current_user
end
# We override graphql-ruby's default `subscribe` since it returns
# :no_response instead, which leads to empty hashes rendered out
# to the caller which has caused problems in the client.
#
# Eventually, we should move to an approach where the caller receives
# a response here upon subscribing, but we don't need this currently
# because Vue components also perform an initial fetch query.
# See https://gitlab.com/gitlab-org/gitlab/-/issues/402614
def subscribe(*)
nil
end
def authorized?(*)
raise NotImplementedError
end
private
def unauthorized!
unsubscribe if context.query.subscription_update?
raise GraphQL::ExecutionError, UNAUTHORIZED_ERROR_MESSAGE
end
def current_user
context[:current_user]
end
end
end
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