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# == EnforcesTwoFactorAuthentication
#
# Controller concern to enforce two-factor authentication requirements
#
# Upon inclusion, adds `check_two_factor_requirement` as a before_action,
# and makes `two_factor_grace_period_expired?` and `two_factor_skippable?`
# available as view helpers.
module EnforcesTwoFactorAuthentication
extend ActiveSupport::Concern
included do
before_action :check_two_factor_requirement
helper_method :two_factor_grace_period_expired?, :two_factor_skippable?
end
def check_two_factor_requirement
if two_factor_authentication_required? && current_user && !current_user.two_factor_enabled? && !skip_two_factor?
redirect_to profile_two_factor_auth_path
end
end
def two_factor_authentication_required?
current_application_settings.require_two_factor_authentication? ||
current_user.try(:require_two_factor_authentication_from_group?)
end
def two_factor_authentication_reason(global: -> {}, group: -> {})
if two_factor_authentication_required?
if current_application_settings.require_two_factor_authentication?
global.call
else
groups = current_user.expanded_groups_requiring_two_factor_authentication.reorder(name: :asc)
group.call(groups)
end
end
end
def two_factor_grace_period
periods = [current_application_settings.two_factor_grace_period]
periods << current_user.two_factor_grace_period if current_user.try(:require_two_factor_authentication_from_group?)
periods.min
end
def two_factor_grace_period_expired?
date = current_user.otp_grace_period_started_at
date && (date + two_factor_grace_period.hours) < Time.current
end
def two_factor_skippable?
two_factor_authentication_required? &&
!current_user.two_factor_enabled? &&
!two_factor_grace_period_expired?
end
def skip_two_factor?
session[:skip_two_factor] && session[:skip_two_factor] > Time.current
end
end
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