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
This commit is contained in:
Alexander 2018-02-02 10:18:55 +01:00 committed by Eugen Rochko
parent 1afc70c990
commit 04fef7b888
15 changed files with 164 additions and 17 deletions

View file

@ -30,6 +30,9 @@ gem 'iso-639'
gem 'cld3', '~> 3.2.0'
gem 'devise', '~> 4.4'
gem 'devise-two-factor', '~> 3.0'
gem 'devise_pam_authenticatable2', '~> 8.0'
gem 'doorkeeper', '~> 4.2'
gem 'fast_blank', '~> 1.0'
gem 'goldfinger', '~> 2.1'

View file

@ -137,6 +137,9 @@ GEM
devise (~> 4.0)
railties (< 5.2)
rotp (~> 2.0)
devise_pam_authenticatable2 (8.0.1)
devise (>= 4.0.0)
rpam2 (~> 3.0)
diff-lcs (1.3)
docile (1.1.5)
domain_name (0.5.20170404)
@ -420,6 +423,7 @@ GEM
actionpack (>= 4.2.0, < 5.3)
railties (>= 4.2.0, < 5.3)
rotp (2.1.2)
rpam2 (3.1.0)
rqrcode (0.10.1)
chunky_png (~> 1.0)
rspec-core (3.7.0)
@ -570,6 +574,7 @@ DEPENDENCIES
climate_control (~> 0.2)
devise (~> 4.4)
devise-two-factor (~> 3.0)
devise_pam_authenticatable2 (~> 8.0)
doorkeeper (~> 4.2)
dotenv-rails (~> 2.2)
fabrication (~> 2.18)

View file

@ -14,6 +14,7 @@ class ApplicationController < ActionController::Base
helper_method :current_session
helper_method :current_theme
helper_method :single_user_mode?
helper_method :use_pam?
rescue_from ActionController::RoutingError, with: :not_found
rescue_from ActiveRecord::RecordNotFound, with: :not_found
@ -75,6 +76,10 @@ class ApplicationController < ActionController::Base
@single_user_mode ||= Rails.configuration.x.single_user_mode && Account.exists?
end
def use_pam?
Devise.pam_authentication
end
def current_account
@current_account ||= current_user.try(:account)
end

View file

@ -14,6 +14,11 @@ class Auth::RegistrationsController < Devise::RegistrationsController
protected
def update_resource(resource, params)
params[:password] = nil if Devise.pam_authentication && resource.encrypted_password.blank?
super
end
def build_resource(hash = nil)
super(hash)

View file

@ -28,9 +28,13 @@ class Auth::SessionsController < Devise::SessionsController
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)

View file

@ -34,6 +34,7 @@
# disabled :boolean default(FALSE), not null
# moderator :boolean default(FALSE), not null
# invite_id :integer
# remember_token :string
#
class User < ApplicationRecord
@ -50,6 +51,8 @@ class User < ApplicationRecord
devise :registerable, :recoverable, :rememberable, :trackable, :validatable,
:confirmable
devise :pam_authenticatable
belongs_to :account, inverse_of: :user
belongs_to :invite, counter_cache: :uses, optional: true
accepts_nested_attributes_for :account
@ -84,6 +87,33 @@ class User < ApplicationRecord
attr_accessor :invite_code
def pam_conflict(_)
# block pam login tries on traditional account
nil
end
def pam_conflict?
return false unless Devise.pam_authentication
encrypted_password.present? && is_pam_account?
end
def pam_get_name
return account.username if account.present?
super
end
def pam_setup(_attributes)
acc = Account.new(username: pam_get_name)
acc.save!(validate: false)
self.email = "#{acc.username}@#{find_pam_suffix}" if email.nil? && find_pam_suffix
self.confirmed_at = Time.now.utc
self.admin = false
self.account = acc
acc.destroy! unless save
end
def confirmed?
confirmed_at.present?
end
@ -213,6 +243,45 @@ class User < ApplicationRecord
@invite_code = code
end
def password_required?
return false if Devise.pam_authentication
super
end
def send_reset_password_instructions
return false if encrypted_password.blank? && Devise.pam_authentication
super
end
def reset_password!(new_password, new_password_confirmation)
return false if encrypted_password.blank? && Devise.pam_authentication
super
end
def self.pam_get_user(attributes = {})
if attributes[:email]
resource =
if Devise.check_at_sign && !attributes[:email].index('@')
joins(:account).find_by(accounts: { username: attributes[:email] })
else
find_by(email: attributes[:email])
end
if resource.blank?
resource = new(email: attributes[:email])
if Devise.check_at_sign && !resource[:email].index('@')
resource[:email] = "#{attributes[:email]}@#{resource.find_pam_suffix}"
end
end
resource
end
end
def self.authenticate_with_pam(attributes = {})
return nil unless Devise.pam_authentication
super
end
protected
def send_devise_notification(notification, *args)

View file

@ -8,7 +8,13 @@ class UnreservedUsernameValidator < ActiveModel::Validator
private
def pam_controlled?(value)
return false unless Devise.pam_authentication && Devise.pam_controlled_service
Rpam2.account(Devise.pam_controlled_service, value).present?
end
def reserved_username?(value)
return true if pam_controlled?(value)
return false unless Setting.reserved_usernames
Setting.reserved_usernames.include?(value.downcase)
end

View file

@ -3,6 +3,8 @@
= simple_form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :put }) do |f|
= render 'shared/error_messages', object: resource
- if use_pam? || current_user.encrypted_password.present?
= f.input :reset_password_token, as: :hidden
= f.input :password, autofocus: true, placeholder: t('simple_form.labels.defaults.new_password'), input_html: { 'aria-label' => t('simple_form.labels.defaults.new_password'), :autocomplete => 'off' }
@ -10,5 +12,7 @@
.actions
= f.button :button, t('auth.set_new_password'), type: :submit
- else
= t('simple_form.labels.defaults.pam_account')
.form-footer= render 'auth/shared/links'

View file

@ -4,6 +4,7 @@
= simple_form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put, class: 'auth_edit' }) do |f|
= render 'shared/error_messages', object: resource
- if !use_pam? || current_user.encrypted_password.present?
= f.input :email, placeholder: t('simple_form.labels.defaults.email'), input_html: { 'aria-label' => t('simple_form.labels.defaults.email') }
= f.input :password, placeholder: t('simple_form.labels.defaults.new_password'), input_html: { 'aria-label' => t('simple_form.labels.defaults.new_password'), :autocomplete => 'off' }
= f.input :password_confirmation, placeholder: t('simple_form.labels.defaults.confirm_new_password'), input_html: { 'aria-label' => t('simple_form.labels.defaults.confirm_new_password'), :autocomplete => 'off' }
@ -11,6 +12,8 @@
.actions
= f.button :button, t('generic.save_changes'), type: :submit
- else
= t('simple_form.labels.defaults.pam_account')
%hr/

View file

@ -5,6 +5,9 @@
= render partial: 'shared/og'
= simple_form_for(resource, as: resource_name, url: session_path(resource_name)) do |f|
- if use_pam?
= f.input :email, autofocus: true, placeholder: t('simple_form.labels.defaults.username_or_email'), required: true, input_html: { 'aria-label' => t('simple_form.labels.defaults.username_or_email') }
- else
= 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'), :autocomplete => 'off' }

View file

@ -30,6 +30,19 @@ Warden::Manager.before_logout do |_, warden|
warden.cookies.delete('_session_id')
end
module Devise
mattr_accessor :pam_authentication
@@pam_authentication = false
mattr_accessor :pam_controlled_service
@@pam_controlled_service = nil
class Strategies::PamAuthenticatable
def valid?
super && ::Devise.pam_authentication
end
end
end
Devise.setup do |config|
config.warden do |manager|
manager.default_strategies(scope: :user).unshift :two_factor_authenticatable
@ -96,7 +109,7 @@ Devise.setup do |config|
# given strategies, for example, `config.http_authenticatable = [:database]` will
# enable it only for database authentication. The supported strategies are:
# :database = Support basic authentication with authentication key + password
config.http_authenticatable = [:database]
config.http_authenticatable = [:pam, :database]
# If 401 status code should be returned for AJAX requests. True by default.
# config.http_authenticatable_on_xhr = true
@ -301,4 +314,23 @@ Devise.setup do |config|
# When using OmniAuth, Devise cannot automatically set OmniAuth path,
# so you need to do it manually. For the users scope, it would be:
# config.omniauth_path_prefix = '/my_engine/users/auth'
# PAM: only look for email field
config.usernamefield = nil
config.emailfield = "email"
# authentication with pam possible
# if not enabled, all pam settings are ignored
#config.pam_authentication = true
# check if email is actually a username
config.check_at_sign = true
# suffix for email address generation (warning: without pam must provide email in the pam environment)
config.pam_default_suffix = "pam"
# name of the pam service
# pam "auth" section is evaluated
config.pam_default_service = "rpam"
# name of the pam service used for checking if an user can register
# pam "account" section is evaluated
# nil for allowing registration of pam names (not recommended)
config.pam_controlled_service = "rpam"
end

View file

@ -53,6 +53,7 @@ de:
severity: Gewichtung
type: Importtyp
username: Profilname
username_or_email: Profilname oder Email
interactions:
must_be_follower: Benachrichtigungen von Nicht-Folgenden blockieren
must_be_following: Benachrichtigungen von Profilen blockieren, denen ich nicht folge

View file

@ -53,6 +53,7 @@ en:
severity: Severity
type: Import type
username: Username
username_or_email: Username or Email
interactions:
must_be_follower: Block notifications from non-followers
must_be_following: Block notifications from people you don't follow

View file

@ -0,0 +1,5 @@
class AddRememberTokenToUsers < ActiveRecord::Migration[5.1]
def change
add_column :users, :remember_token, :string, null: true
end
end

View file

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20180106000232) do
ActiveRecord::Schema.define(version: 20180109143959) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -486,6 +486,7 @@ ActiveRecord::Schema.define(version: 20180106000232) do
t.boolean "disabled", default: false, null: false
t.boolean "moderator", default: false, null: false
t.bigint "invite_id"
t.string "remember_token"
t.index ["account_id"], name: "index_users_on_account_id"
t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
t.index ["email"], name: "index_users_on_email", unique: true