class SessionsController < Devise::SessionsController include InternalRedirect include AuthenticatesWithTwoFactor include Devise::Controllers::Rememberable include Recaptcha::ClientHelper include Recaptcha::Verify skip_before_action :check_two_factor_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 :check_captcha, only: [:create] prepend_before_action :store_redirect_uri, only: [:new] prepend_before_action :ldap_servers, only: [:new, :create] before_action :auto_sign_in_with_provider, only: [:new] before_action :load_recaptcha after_action :log_failed_login, only: [:new], if: :failed_login? helper_method :captcha_enabled? CAPTCHA_HEADER = 'X-GitLab-Show-Login-Captcha'.freeze def new set_minimum_password_length 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 # hide the signed-in notification flash[:notice] = nil log_audit_event(current_user, resource, with: authentication_method) log_user_activity(current_user) end end def destroy Gitlab::AppLogger.info("User Logout: username=#{current_user.username} ip=#{request.remote_ip}") super # hide the signed_out notice flash[:notice] = nil end private def captcha_enabled? request.headers[CAPTCHA_HEADER] && Gitlab::Recaptcha.enabled? end # From https://github.com/plataformatec/devise/wiki/How-To:-Use-Recaptcha-with-Devise#devisepasswordscontroller def check_captcha return unless user_params[:password].present? return unless captcha_enabled? return unless Gitlab::Recaptcha.load_configurations! if verify_recaptcha increment_successful_login_captcha_counter else increment_failed_login_captcha_counter self.resource = resource_class.new flash[:alert] = 'There was an error with the reCAPTCHA. Please solve the reCAPTCHA again.' flash.delete :recaptcha_error respond_with_navigational(resource) { render :new } end end def increment_failed_login_captcha_counter Gitlab::Metrics.counter( :failed_login_captcha_total, 'Number of failed CAPTCHA attempts for logins'.freeze ).increment end def increment_successful_login_captcha_counter Gitlab::Metrics.counter( :successful_login_captcha_total, 'Number of successful CAPTCHA attempts for logins'.freeze ).increment end def log_failed_login Gitlab::AppLogger.info("Failed Login: username=#{user_params[:login]} ip=#{request.remote_ip}") end def failed_login? (options = env["warden.options"]) && options[:action] == "unauthenticated" end def login_counter @login_counter ||= Gitlab::Metrics.counter(:user_session_logins_total, 'User sign in count') end # 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_creation_for_web? Users::UpdateService.new(current_user, user: user).execute do |user| @token = user.generate_reset_token end 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 stored_redirect_uri @redirect_to ||= stored_location_for(:redirect) end def store_redirect_uri redirect_uri = if request.referer.present? && (params['redirect_to_referer'] == 'yes') URI(request.referer) else URI(request.url) end # Prevent a 'you are already signed in' message directly after signing: # we should never redirect to '/users/sign_in' after signing in successfully. return true if redirect_uri.path == new_user_session_path redirect_to = redirect_uri.to_s if host_allowed?(redirect_uri) @redirect_to = redirect_to store_location_for(:redirect, redirect_to) end def two_factor_enabled? find_user&.two_factor_enabled? end def auto_sign_in_with_provider provider = Gitlab.config.omniauth.auto_sign_in_with_provider return unless provider.present? # If a "auto_sign_in" query parameter is set to a falsy value, don't auto sign-in. # Otherwise, the default is to auto sign-in. return if Gitlab::Utils.to_boolean(params[:auto_sign_in]) == false # 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 omniauth_authorize_path(:user, provider) 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, resource, options = {}) Gitlab::AppLogger.info("Successful Login: username=#{resource.username} ip=#{request.remote_ip} method=#{options[:with]} admin=#{resource.admin?}") AuditEventService.new(user, user, options) .for_authentication.security_event end def log_user_activity(user) login_counter.increment Users::ActivityService.new(user, 'login').execute end def load_recaptcha Gitlab::Recaptcha.load_configurations! end def ldap_servers @ldap_servers ||= Gitlab::Auth::LDAP::Config.available_servers 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