Fix #942: Seamless LDAP login (#6556)

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Eugen Rochko 2018-02-28 19:04:53 +01:00 committed by GitHub
parent e852872846
commit 47bdb9b33b
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12 changed files with 117 additions and 13 deletions

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@ -33,6 +33,7 @@ gem 'devise', '~> 4.4'
gem 'devise-two-factor', '~> 3.0'
gem 'devise_pam_authenticatable2', '~> 8.0', install_if: -> { ENV['PAM_ENABLED'] == 'true' }
gem 'net-ldap', '~> 0.10', install_if: -> { ENV['LDAP_ENABLED'] == 'true' }
gem 'omniauth-cas', '~> 1.1', install_if: -> { ENV['CAS_ENABLED'] == 'true' }
gem 'omniauth-saml', '~> 1.8', install_if: -> { ENV['SAML_ENABLED'] == 'true' }
gem 'omniauth', '~> 1.2'

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@ -316,6 +316,7 @@ GEM
multi_json (1.12.2)
multipart-post (2.0.0)
necromancer (0.4.0)
net-ldap (0.16.1)
net-scp (1.2.1)
net-ssh (>= 2.6.5)
net-ssh (4.2.0)
@ -666,6 +667,7 @@ DEPENDENCIES
memory_profiler
microformats (~> 4.0)
mime-types (~> 3.1)
net-ldap (~> 0.10)
nokogiri (~> 1.8)
nsa (~> 0.2)
oj (~> 3.3)

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@ -14,7 +14,7 @@ class ApplicationController < ActionController::Base
helper_method :current_session
helper_method :current_theme
helper_method :single_user_mode?
helper_method :use_pam?
helper_method :use_seamless_external_login?
rescue_from ActionController::RoutingError, with: :not_found
rescue_from ActiveRecord::RecordNotFound, with: :not_found
@ -76,8 +76,8 @@ class ApplicationController < ActionController::Base
@single_user_mode ||= Rails.configuration.x.single_user_mode && Account.exists?
end
def use_pam?
Devise.pam_authentication
def use_seamless_external_login?
Devise.pam_authentication || Devise.ldap_authentication
end
def current_account

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@ -37,7 +37,7 @@ 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?
if use_seamless_external_login? && 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])

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@ -52,7 +52,6 @@ class User < ApplicationRecord
devise :registerable, :recoverable, :rememberable, :trackable, :validatable,
:confirmable
devise :pam_authenticatable if Devise.pam_authentication
devise :omniauthable
belongs_to :account, inverse_of: :user
@ -117,6 +116,12 @@ class User < ApplicationRecord
acc.destroy! unless save
end
def ldap_setup(_attributes)
self.confirmed_at = Time.now.utc
self.admin = false
save!
end
def confirmed?
confirmed_at.present?
end
@ -247,17 +252,17 @@ class User < ApplicationRecord
end
def password_required?
return false if Devise.pam_authentication
return false if Devise.pam_authentication || Devise.ldap_authentication
super
end
def send_reset_password_instructions
return false if encrypted_password.blank? && Devise.pam_authentication
return false if encrypted_password.blank? && (Devise.pam_authentication || Devise.ldap_authentication)
super
end
def reset_password!(new_password, new_password_confirmation)
return false if encrypted_password.blank? && Devise.pam_authentication
return false if encrypted_password.blank? && (Devise.pam_authentication || Devise.ldap_authentication)
super
end
@ -280,6 +285,17 @@ class User < ApplicationRecord
end
end
def self.ldap_get_user(attributes = {})
resource = joins(:account).find_by(accounts: { username: attributes[Devise.ldap_uid.to_sym].first })
if resource.blank?
resource = new(email: attributes[:mail].first, account_attributes: { username: attributes[Devise.ldap_uid.to_sym].first })
resource.ldap_setup(attributes)
end
resource
end
def self.authenticate_with_pam(attributes = {})
return nil unless Devise.pam_authentication
super

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@ -4,7 +4,7 @@
= 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? || resource.encrypted_password.present?
- if !use_seamless_external_login?? || resource.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' }
@ -13,6 +13,6 @@
.actions
= f.button :button, t('auth.set_new_password'), type: :submit
- else
= t('simple_form.labels.defaults.pam_account')
%p.hint= t('users.seamless_external_login')
.form-footer= render 'auth/shared/links'

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@ -4,7 +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? || resource.encrypted_password.present?
- if !use_seamless_external_login? || resource.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' }
@ -13,7 +13,7 @@
.actions
= f.button :button, t('generic.save_changes'), type: :submit
- else
= t('simple_form.labels.defaults.pam_account')
%p.hint= t('users.seamless_external_login')
%hr/

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@ -5,7 +5,7 @@
= render partial: 'shared/og'
= simple_form_for(resource, as: resource_name, url: session_path(resource_name)) do |f|
- if use_pam?
- if use_seamless_external_login?
= 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') }

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@ -12,6 +12,7 @@ require_relative '../lib/paperclip/gif_transcoder'
require_relative '../lib/paperclip/video_transcoder'
require_relative '../lib/mastodon/snowflake'
require_relative '../lib/mastodon/version'
require_relative '../lib/devise/ldap_authenticatable'
Dotenv::Railtie.load

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@ -36,6 +36,26 @@ module Devise
mattr_accessor :pam_controlled_service
@@pam_controlled_service = nil
mattr_accessor :check_at_sign
@@check_at_sign = false
mattr_accessor :ldap_authentication
@@ldap_authentication = false
mattr_accessor :ldap_host
@@ldap_host = nil
mattr_accessor :ldap_port
@@ldap_port = nil
mattr_accessor :ldap_method
@@ldap_method = nil
mattr_accessor :ldap_base
@@ldap_base = nil
mattr_accessor :ldap_uid
@@ldap_uid = nil
mattr_accessor :ldap_bind_dn
@@ldap_bind_dn = nil
mattr_accessor :ldap_password
@@ldap_password = nil
class Strategies::PamAuthenticatable
def valid?
super && ::Devise.pam_authentication
@ -45,6 +65,8 @@ end
Devise.setup do |config|
config.warden do |manager|
manager.default_strategies(scope: :user).unshift :ldap_authenticatable if Devise.ldap_authentication
manager.default_strategies(scope: :user).unshift :pam_authenticatable if Devise.pam_authentication
manager.default_strategies(scope: :user).unshift :two_factor_authenticatable
manager.default_strategies(scope: :user).unshift :two_factor_backupable
end
@ -324,4 +346,16 @@ Devise.setup do |config|
config.pam_default_service = ENV.fetch('PAM_DEFAULT_SERVICE') { 'rpam' }
config.pam_controlled_service = ENV.fetch('PAM_CONTROLLED_SERVICE') { 'rpam' }
end
if ENV['LDAP_ENABLED'] == 'true'
config.ldap_authentication = true
config.check_at_sign = true
config.ldap_host = ENV.fetch('LDAP_HOST', 'localhost')
config.ldap_port = ENV.fetch('LDAP_PORT', 389).to_i
config.ldap_method = ENV.fetch('LDAP_METHOD', :simple_tls).to_sym
config.ldap_base = ENV.fetch('LDAP_BASE')
config.ldap_bind_dn = ENV.fetch('LDAP_BIND_DN')
config.ldap_password = ENV.fetch('LDAP_PASSWORD')
config.ldap_uid = ENV.fetch('LDAP_UID', 'cn')
end
end

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@ -769,4 +769,5 @@ en:
users:
invalid_email: The e-mail address is invalid
invalid_otp_token: Invalid two-factor code
seamless_external_login: You are logged in via an external service, so password and e-mail settings are not available.
signed_in_as: 'Signed in as:'

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@ -0,0 +1,49 @@
# frozen_string_literal: true
if ENV['LDAP_ENABLED'] == 'true'
require 'net/ldap'
require 'devise/strategies/authenticatable'
module Devise
module Strategies
class LdapAuthenticatable < Authenticatable
def authenticate!
if params[:user]
ldap = Net::LDAP.new(
host: Devise.ldap_host,
port: Devise.ldap_port,
base: Devise.ldap_base,
encryption: {
method: Devise.ldap_method,
tls_options: OpenSSL::SSL::SSLContext::DEFAULT_PARAMS,
},
auth: {
method: :simple,
username: Devise.ldap_bind_dn,
password: Devise.ldap_password,
},
connect_timeout: 10
)
if (user_info = ldap.bind_as(base: Devise.ldap_base, filter: "(#{Devise.ldap_uid}=#{email})", password: password))
user = User.ldap_get_user(user_info.first)
success!(user)
else
return fail(:invalid_login)
end
end
end
def email
params[:user][:email]
end
def password
params[:user][:password]
end
end
end
end
Warden::Strategies.add(:ldap_authenticatable, Devise::Strategies::LdapAuthenticatable)
end