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mastodon/app/controllers/concerns/two_factor_authentication_c...

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# frozen_string_literal: true
module TwoFactorAuthenticationConcern
extend ActiveSupport::Concern
included do
prepend_before_action :authenticate_with_two_factor, if: :two_factor_enabled?, only: [:create]
end
def two_factor_enabled?
find_user&.otp_required_for_login?
end
def valid_otp_attempt?(user)
user.validate_and_consume_otp!(user_params[:otp_attempt]) ||
user.invalidate_otp_backup_code!(user_params[:otp_attempt])
rescue OpenSSL::Cipher::CipherError
false
end
def authenticate_with_two_factor
user = self.resource = find_user
if user_params[:otp_attempt].present? && session[:attempt_user_id]
authenticate_with_two_factor_attempt(user)
elsif user.present? && user.external_or_valid_password?(user_params[:password])
prompt_for_two_factor(user)
end
end
def authenticate_with_two_factor_attempt(user)
if valid_otp_attempt?(user)
session.delete(:attempt_user_id)
remember_me(user)
sign_in(user)
else
flash.now[:alert] = I18n.t('users.invalid_otp_token')
prompt_for_two_factor(user)
end
end
def prompt_for_two_factor(user)
set_locale do
session[:attempt_user_id] = user.id
use_pack 'auth'
@body_classes = 'lighter'
render :two_factor
end
end
end