class SessionsController < Devise::SessionsController include AuthenticatesWithTwoFactor include Devise::Controllers::Rememberable include Recaptcha::ClientHelper skip_before_action :check_2fa_requirement, only: [:destroy] prepend_before_action :check_initial_setup, only: [:new] prepend_before_action :authenticate_with_two_factor, if: :two_factor_enabled?, only: [:create] prepend_before_action :store_redirect_path, only: [:new] before_action :auto_sign_in_with_provider, only: [:new] before_action :load_recaptcha def new set_minimum_password_length if Gitlab.config.ldap.enabled @ldap_servers = Gitlab::LDAP::Config.servers else @ldap_servers = [] end super end def create super do |resource| # User has successfully signed in, so clear any unused reset token if resource.reset_password_token.present? resource.update_attributes(reset_password_token: nil, reset_password_sent_at: nil) end log_audit_event(current_user, with: authentication_method) end end private # Handle an "initial setup" state, where there's only one user, it's an admin, # and they require a password change. def check_initial_setup return unless User.limit(2).count == 1 # Count as much 2 to know if we have exactly one user = User.admins.last return unless user && user.require_password? token = user.generate_reset_token user.save redirect_to edit_user_password_path(reset_password_token: token), notice: "Please create a password for your new account." end def user_params params.require(:user).permit(:login, :password, :remember_me, :otp_attempt, :device_response) end def find_user if session[:otp_user_id] User.find(session[:otp_user_id]) elsif user_params[:login] User.by_login(user_params[:login]) end end def store_redirect_path redirect_path = if request.referer.present? && (params['redirect_to_referer'] == 'yes') referer_uri = URI(request.referer) if referer_uri.host == Gitlab.config.gitlab.host referer_uri.path else request.fullpath end else request.fullpath end # Prevent a 'you are already signed in' message directly after signing: # we should never redirect to '/users/sign_in' after signing in successfully. unless redirect_path == new_user_session_path store_location_for(:redirect, redirect_path) end end def two_factor_enabled? find_user.try(:two_factor_enabled?) end def auto_sign_in_with_provider provider = Gitlab.config.omniauth.auto_sign_in_with_provider return unless provider.present? # Auto sign in with an Omniauth provider only if the standard "you need to sign-in" alert is # registered or no alert at all. In case of another alert (such as a blocked user), it is safer # to do nothing to prevent redirection loops with certain Omniauth providers. return unless flash[:alert].blank? || flash[:alert] == I18n.t('devise.failure.unauthenticated') # Prevent alert from popping up on the first page shown after authentication. flash[:alert] = nil redirect_to user_omniauth_authorize_path(provider.to_sym) end def valid_otp_attempt?(user) user.validate_and_consume_otp!(user_params[:otp_attempt]) || user.invalidate_otp_backup_code!(user_params[:otp_attempt]) end def log_audit_event(user, options = {}) AuditEventService.new(user, user, options). for_authentication.security_event end def load_recaptcha Gitlab::Recaptcha.load_configurations! end def authentication_method if user_params[:otp_attempt] "two-factor" elsif user_params[:device_response] "two-factor-via-u2f-device" else "standard" end end end