mastodon/app/controllers/auth/sessions_controller.rb
Alexander 04fef7b888 pam authentication (#5303)
* add pam support, without extra column

* bugfixes for pam login

* document options

* fix code style

* fix codestyle

* fix tests

* don't call remember_me without password

* fix codestyle

* improve checks for pam usage (should fix tests)

* fix remember_me part 1

* add remember_token column because :rememberable requires either a password or this column.

* migrate db for remember_token

* move pam_authentication to the right place, fix logic bug in edit.html.haml

* fix tests

* fix pam authentication, improve username lookup, add comment

* valid? is sometimes not honored, return nil instead trying to authenticate with pam

* update devise_pam_authenticatable2 and adjust code. Fixes sideeffects observed in tests

* update devise_pam_authenticatable gem, fixes for codeconventions, fix finding user

* codeconvention fixes

* code convention fixes

* fix idention

* update dependency, explicit conflict check

* fix disabled password updates if in pam mode

* fix check password if password is present, fix templates

* block registration if account is maintained by pam

* Revert "block registration if account is maintained by pam"

This reverts commit 8e7a083d650240b6fac414926744b4b90b435f20.

* fix identation error introduced by rebase

* block usernames maintained by pam

* document pam settings better

* fix code style
2018-02-02 10:18:55 +01:00

104 lines
2.5 KiB
Ruby

# frozen_string_literal: true
class Auth::SessionsController < Devise::SessionsController
include Devise::Controllers::Rememberable
layout 'auth'
skip_before_action :require_no_authentication, only: [:create]
skip_before_action :check_suspension, only: [:destroy]
prepend_before_action :authenticate_with_two_factor, if: :two_factor_enabled?, only: [:create]
before_action :set_instance_presenter, only: [:new]
def create
super do |resource|
remember_me(resource)
flash.delete(:notice)
end
end
def destroy
super
flash.delete(:notice)
end
protected
def find_user
if session[:otp_user_id]
User.find(session[:otp_user_id])
elsif user_params[:email]
if use_pam? && Devise.check_at_sign && user_params[:email].index('@').nil?
User.joins(:account).find_by(accounts: { username: user_params[:email] })
else
User.find_for_authentication(email: user_params[:email])
end
end
end
def user_params
params.require(:user).permit(:email, :password, :otp_attempt)
end
def after_sign_in_path_for(resource)
last_url = stored_location_for(:user)
if home_paths(resource).include?(last_url)
root_path
else
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]) ||
user.invalidate_otp_backup_code!(user_params[:otp_attempt])
rescue OpenSSL::Cipher::CipherError => _error
false
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&.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
private
def set_instance_presenter
@instance_presenter = InstancePresenter.new
end
def home_paths(resource)
paths = [about_path]
if single_user_mode? && resource.is_a?(User)
paths << short_account_path(username: resource.account)
end
paths
end
end