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# frozen_string_literal: true
class Profiles::TwoFactorAuthsController < Profiles::ApplicationController
skip_before_action :check_two_factor_requirement
before_action :ensure_verified_primary_email, only: [:show, :create]
before_action :validate_current_password, only: [:create, :codes, :destroy], if: :current_password_required?
helper_method :current_password_required?
before_action do
push_frontend_feature_flag(:webauthn)
end
feature_category :authentication_and_authorization
def show
unless current_user.two_factor_enabled?
current_user.otp_secret = User.generate_otp_secret(32)
end
unless current_user.otp_grace_period_started_at && two_factor_grace_period
current_user.otp_grace_period_started_at = Time.current
end
Users::UpdateService.new(current_user, user: current_user).execute!
if two_factor_authentication_required? && !current_user.two_factor_enabled?
two_factor_authentication_reason(
global: lambda do
flash.now[:alert] =
_('The global settings require you to enable Two-Factor Authentication for your account.')
end,
group: lambda do |groups|
flash.now[:alert] = groups_notification(groups)
end
)
unless two_factor_grace_period_expired?
grace_period_deadline = current_user.otp_grace_period_started_at + two_factor_grace_period.hours
flash.now[:alert] = flash.now[:alert] + _(" You need to do this before %{grace_period_deadline}.") % { grace_period_deadline: l(grace_period_deadline) }
end
end
@qr_code = build_qr_code
@account_string = account_string
if Feature.enabled?(:webauthn)
setup_webauthn_registration
else
setup_u2f_registration
end
end
def create
otp_validation_result =
::Users::ValidateOtpService.new(current_user).execute(params[:pin_code])
if otp_validation_result[:status] == :success
ActiveSession.destroy_all_but_current(current_user, session)
Users::UpdateService.new(current_user, user: current_user, otp_required_for_login: true).execute! do |user|
@codes = user.generate_otp_backup_codes!
end
helpers.dismiss_two_factor_auth_recovery_settings_check
render 'create'
else
@error = _('Invalid pin code')
@qr_code = build_qr_code
if Feature.enabled?(:webauthn)
setup_webauthn_registration
else
setup_u2f_registration
end
render 'show'
end
end
# A U2F (universal 2nd factor) device's information is stored after successful
# registration, which is then used while 2FA authentication is taking place.
def create_u2f
@u2f_registration = U2fRegistration.register(current_user, u2f_app_id, device_registration_params, session[:challenges])
if @u2f_registration.persisted?
session.delete(:challenges)
redirect_to profile_two_factor_auth_path, notice: s_("Your U2F device was registered!")
else
@qr_code = build_qr_code
setup_u2f_registration
render :show
end
end
def create_webauthn
@webauthn_registration = Webauthn::RegisterService.new(current_user, device_registration_params, session[:challenge]).execute
if @webauthn_registration.persisted?
session.delete(:challenge)
redirect_to profile_two_factor_auth_path, notice: s_("Your WebAuthn device was registered!")
else
@qr_code = build_qr_code
setup_webauthn_registration
render :show
end
end
def codes
Users::UpdateService.new(current_user, user: current_user).execute! do |user|
@codes = user.generate_otp_backup_codes!
helpers.dismiss_two_factor_auth_recovery_settings_check
end
end
def destroy
result = TwoFactor::DestroyService.new(current_user, user: current_user).execute
if result[:status] == :success
redirect_to profile_account_path, status: :found, notice: s_('Two-factor authentication has been disabled successfully!')
else
redirect_to profile_account_path, status: :found, alert: result[:message]
end
end
def skip
if two_factor_grace_period_expired?
redirect_to new_profile_two_factor_auth_path, alert: s_('Cannot skip two factor authentication setup')
else
session[:skip_two_factor] = current_user.otp_grace_period_started_at + two_factor_grace_period.hours
redirect_to root_path
end
end
private
def validate_current_password
return if current_user.valid_password?(params[:current_password])
current_user.increment_failed_attempts!
redirect_to profile_two_factor_auth_path, alert: _('You must provide a valid current password')
end
def current_password_required?
!current_user.password_automatically_set?
end
def build_qr_code
uri = current_user.otp_provisioning_uri(account_string, issuer: issuer_host)
RQRCode.render_qrcode(uri, :svg, level: :m, unit: 3)
end
def account_string
"#{issuer_host}:#{current_user.email}"
end
def issuer_host
Gitlab.config.gitlab.host
end
# Setup in preparation of communication with a U2F (universal 2nd factor) device
# Actual communication is performed using a Javascript API
def setup_u2f_registration
@u2f_registration ||= U2fRegistration.new
@registrations = u2f_registrations
u2f = U2F::U2F.new(u2f_app_id)
registration_requests = u2f.registration_requests
sign_requests = u2f.authentication_requests(current_user.u2f_registrations.map(&:key_handle))
session[:challenges] = registration_requests.map(&:challenge)
gon.push(u2f: { challenges: session[:challenges], app_id: u2f_app_id,
register_requests: registration_requests,
sign_requests: sign_requests })
end
def device_registration_params
params.require(:device_registration).permit(:device_response, :name)
end
def setup_webauthn_registration
@registrations = webauthn_registrations
@webauthn_registration ||= WebauthnRegistration.new
unless current_user.webauthn_xid
current_user.user_detail.update!(webauthn_xid: WebAuthn.generate_user_id)
end
options = webauthn_options
session[:challenge] = options.challenge
gon.push(webauthn: { options: options, app_id: u2f_app_id })
end
# Adds delete path to u2f registrations
# to reduce logic in view template
def u2f_registrations
current_user.u2f_registrations.map do |u2f_registration|
{
name: u2f_registration.name,
created_at: u2f_registration.created_at,
delete_path: profile_u2f_registration_path(u2f_registration)
}
end
end
def webauthn_registrations
current_user.webauthn_registrations.map do |webauthn_registration|
{
name: webauthn_registration.name,
created_at: webauthn_registration.created_at,
delete_path: profile_webauthn_registration_path(webauthn_registration)
}
end
end
def webauthn_options
WebAuthn::Credential.options_for_create(
user: { id: current_user.webauthn_xid, name: current_user.username },
exclude: current_user.webauthn_registrations.map { |c| c.credential_xid },
authenticator_selection: { user_verification: 'discouraged' },
rp: { name: 'GitLab' }
)
end
def groups_notification(groups)
group_links = groups.map { |group| view_context.link_to group.full_name, group_path(group) }.to_sentence
leave_group_links = groups.map { |group| view_context.link_to (s_("leave %{group_name}") % { group_name: group.full_name }), leave_group_members_path(group), remote: false, method: :delete}.to_sentence
s_(%{The group settings for %{group_links} require you to enable Two-Factor Authentication for your account. You can %{leave_group_links}.})
.html_safe % { group_links: group_links.html_safe, leave_group_links: leave_group_links.html_safe }
end
def ensure_verified_primary_email
unless current_user.two_factor_enabled? || current_user.primary_email_verified?
redirect_to profile_emails_path, notice: s_('You need to verify your primary email first before enabling Two-Factor Authentication.')
end
end
end
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