Split 2FA login into two prompts

main
Eugen Rochko 8 years ago
parent 36c57ef8af
commit 23b997ae55

@ -5,18 +5,33 @@ class Auth::SessionsController < Devise::SessionsController
layout 'auth'
before_action :configure_sign_in_params, only: [:create]
skip_before_action :require_no_authentication, only: [:create]
prepend_before_action :authenticate_with_two_factor, if: :two_factor_enabled?, only: [:create]
def create
super do |resource|
remember_me(resource)
flash[:notice] = nil
end
end
def destroy
super
flash[:notice] = nil
end
protected
def configure_sign_in_params
devise_parameter_sanitizer.permit(:sign_in, keys: [:otp_attempt])
def find_user
if session[:otp_user_id]
User.find(session[:otp_user_id])
elsif user_params[:email]
User.find_by(email: user_params[:email])
end
end
def user_params
params.require(:user).permit(:email, :password, :otp_attempt)
end
def after_sign_in_path_for(_resource)
@ -28,4 +43,38 @@ class Auth::SessionsController < Devise::SessionsController
last_url || root_path
end
end
def two_factor_enabled?
find_user.try(:otp_required_for_login?)
end
def valid_otp_attempt?(user)
user.validate_and_consume_otp!(user_params[:otp_attempt])
end
def authenticate_with_two_factor
user = self.resource = find_user
if user_params[:otp_attempt].present? && session[:otp_user_id]
authenticate_with_two_factor_via_otp(user)
elsif user && user.valid_password?(user_params[:password])
prompt_for_two_factor(user)
end
end
def authenticate_with_two_factor_via_otp(user)
if valid_otp_attempt?(user)
session.delete(:otp_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)
session[:otp_user_id] = user.id
render :two_factor
end
end

@ -4,7 +4,6 @@
= simple_form_for(resource, as: resource_name, url: session_path(resource_name)) do |f|
= f.input :email, autofocus: true, placeholder: t('simple_form.labels.defaults.email'), required: true, input_html: { 'aria-label' => t('simple_form.labels.defaults.email') }
= f.input :password, placeholder: t('simple_form.labels.defaults.password'), required: true, input_html: { 'aria-label' => t('simple_form.labels.defaults.password') }
= f.input :otp_attempt, placeholder: t('simple_form.labels.defaults.otp_attempt'), input_html: { 'aria-label' => t('simple_form.labels.defaults.otp_attempt') }
.actions
= f.button :button, t('auth.login'), type: :submit

@ -0,0 +1,10 @@
- content_for :page_title do
= t('auth.login')
= simple_form_for(resource, as: resource_name, url: session_path(resource_name), method: :post) do |f|
= f.input :otp_attempt, placeholder: t('simple_form.labels.defaults.otp_attempt'), input_html: { 'aria-label' => t('simple_form.labels.defaults.otp_attempt') }, required: true, autofocus: true, autocomplete: 'off'
.actions
= f.button :button, t('auth.login'), type: :submit
.form-footer= render "auth/shared/links"

@ -114,5 +114,6 @@ en:
instructions_html: "<strong>Scan this QR code into Google Authenticator or a similiar app on your phone</strong>. From now on, that app will generate tokens that you will have to enter when logging in."
users:
invalid_email: The e-mail address is invalid
invalid_otp_token: Invalid two-factor code
will_paginate:
page_gap: "&hellip;"

@ -21,7 +21,7 @@ en:
locked: Make account private
new_password: New password
note: Bio
otp_attempt: If enabled, two-factor token
otp_attempt: Two-factor code
password: Password
username: Username
interactions:

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