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class SessionsController < Devise::SessionsController
include AuthenticatesWithTwoFactor
prepend_before_action :authenticate_with_two_factor, only: [:create]
prepend_before_action :store_redirect_path, only: [:new]
before_action :auto_sign_in_with_provider, only: [:new]
def new
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
authenticated_with = user_params[:otp_attempt] ? "two-factor" : "standard"
log_audit_event(current_user, with: authenticated_with)
end
end
private
def user_params
params.require(:user).permit(:login, :password, :remember_me, :otp_attempt)
end
def find_user
if user_params[:login]
User.by_login(user_params[:login])
elsif user_params[:otp_attempt] && session[:otp_user_id]
User.find(session[:otp_user_id])
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 authenticate_with_two_factor
user = self.resource = find_user
return unless user && user.two_factor_enabled?
if user_params[:otp_attempt].present? && session[:otp_user_id]
if valid_otp_attempt?(user)
# Remove any lingering user data from login
session.delete(:otp_user_id)
sign_in(user) and return
else
flash.now[:alert] = 'Invalid two-factor code.'
render :two_factor and return
end
else
if user && user.valid_password?(user_params[:password])
prompt_for_two_factor(user)
end
end
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.valid_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
end
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