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	diff --git a/app/models/user.rb b/app/models/user.rb
	index 0fc6268..dcafc46 100644
	--- a/app/models/user.rb
	+++ b/app/models/user.rb
	@@ -1,9 +1,23 @@
	class User < ActiveRecord::Base
	devise :database_authenticatable, :registerable,
	:recoverable, :rememberable, :trackable, :validatable

	has_many :memberships
	has_many :groups, through: :memberships

	scope :orphans, -> { includes(:memberships).where(:memberships => { user_id: nil }) }
	+
	+ # Check if the user can change his password
	+ #
	+ # Remote users are not able to change their password
	+ def can_change_password?
	+ !identifier?
	+ end
	+
	+ def self.find_for_database_authentication(conditions)
	+ # Override devise method for database auth
	+ # We only want to auth local user via the database.
	+
	+ find_first_by_auth_conditions(conditions, identifier: '')
	+ end
	end
	diff --git a/app/views/devise/sessions/new.html.erb b/app/views/devise/sessions/new.html.erb
	index 43dd758..9e195d6 100644
	--- a/app/views/devise/sessions/new.html.erb
	+++ b/app/views/devise/sessions/new.html.erb
	@@ -1,16 +1,17 @@
	<h2>Log in</h2>

	<%= bootstrap_form_for(resource, as: resource_name, url: session_path(resource_name)) do \|f\| %>
	<%= f.email_field :email, autofocus: true %>
	<%= f.password_field :password, autocomplete: 'off' %>

	<% if devise_mapping.rememberable? -%>
	<%= f.check_box :remember_me %>
	<% end -%>

	<div class="actions">
	<%= f.submit 'Log in', class: 'btn btn-primary' %>
	+ <%= link_to WebDNS.settings[:saml_login_text], auth_saml_path, class: 'btn btn-default' %>
	</div>
	<% end %>

	<%= render 'devise/shared/links' %>
	diff --git a/app/views/shared/_nav.html.erb b/app/views/shared/_nav.html.erb
	index 5aa2498..764a6b4 100644
	--- a/app/views/shared/_nav.html.erb
	+++ b/app/views/shared/_nav.html.erb
	@@ -1,54 +1,56 @@
	<!-- Fixed navbar -->
	<nav class="navbar navbar-inverse navbar-fixed-top">
	<div class="container-fluid">
	<div class="navbar-header">
	<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar">
	<span class="sr-only">Toggle navigation</span>
	<span class="icon-bar"></span>
	<span class="icon-bar"></span>
	<span class="icon-bar"></span>
	</button>
	<a class="navbar-brand" href="/">WebDNS</a>
	</div>
	<div id="navbar" class="navbar-collapse collapse">
	<ul class="nav navbar-nav">
	<li class="active"><a href="/domains">Domains</a></li>
	<li><%= mail_to WebDNS.settings[:contact_mail], 'Contact' %></li>
	<% if admin? %>
	<li class="dropdown">
	<a href="#" class="dropdown-toggle" data-toggle="dropdown">
	Admin<span class="caret"></span>
	</a>
	<ul class="dropdown-menu">
	<li><a href="/admin/groups/">Groups</a></li>
	<li><a href="/admin/jobs/">Jobs</a></li>
	<li><a href="/admin/users/orphans/">Orphans</a></li>
	</ul>
	</li>
	<% end %>
	<% if user_signed_in? %>
	<li class="dropdown">
	<a href="#" class="dropdown-toggle" data-toggle="dropdown">
	<%= current_user.try(:email) %>
	<span class="caret"></span>
	</a>
	<ul class="dropdown-menu">
	<li><%= link_to('Logout', destroy_user_session_path, method: :delete) %></li>
	<li class="divider"></li>
	<li class="dropdown-header">Profile</li>
	- <li><%= link_to('Change Password', edit_user_registration_path) %></li>
	+ <% if current_user.can_change_password? %>
	+ <li><%= link_to('Change Password', edit_user_registration_path) %></li>
	+ <% end %>
	<li><a href="#">Edit</a></li>
	</ul>
	</li>
	<% end %>

	<form class="navbar-form navbar-left" role="search" action="/records/search" method="get">
	<div class="form-group">
	<input type="text" name="q" id="q" class="form-control" placeholder="Records" value="<%= params[:q] %>">
	</div>
	<button type="submit" class="btn btn-default">Search</button>
	</form>
	</ul>
	</div><!--/.nav-collapse -->
	</div>
	</nav>
	diff --git a/config/initializers/00_settings.rb b/config/initializers/00_settings.rb
	index 44ba3cc..cd59ba9 100644
	--- a/config/initializers/00_settings.rb
	+++ b/config/initializers/00_settings.rb
	@@ -1,29 +1,33 @@
	WebDNS.settings[:soa_defaults] = {
	primary_ns: 'ns1.example.com',
	contact: 'domainmaster@example.com',
	serial: 1,
	refresh: 10_800,
	retry: 3600,
	expire: 604_800,
	nx: 3600
	}
	WebDNS.settings[:default_ns] = [
	'ns1.example.com',
	'ns2.example.com'
	]

	WebDNS.settings[:dnssec] = true
	WebDNS.settings[:dnssec_parent_authorities] = ['webdns', 'papaki']

	WebDNS.settings[:serial_strategy] = Strategies::Date

	WebDNS.settings[:prohibit_records_types] = []
	WebDNS.settings[:prohibit_domain_types] = ['NATIVE']

	WebDNS.settings[:contact_mail] = 'webdns@example.com'
	WebDNS.settings[:mail_from] = 'webdns@example.com'
	WebDNS.settings[:admin_group] = 'admin'

	+WebDNS.settings[:saml] = false
	+WebDNS.settings[:saml_required_entitlement] = 'webdns'
	+WebDNS.settings[:saml_login_text] = 'Login with SAML'
	+
	# Allow local overrides
	local_settings = File.expand_path('../../local_settings.rb', __FILE__)
	require_relative local_settings if File.exist?(local_settings)
	diff --git a/config/initializers/devise.rb b/config/initializers/devise.rb
	index 2c602a8..fe8be37 100644
	--- a/config/initializers/devise.rb
	+++ b/config/initializers/devise.rb
	@@ -1,262 +1,264 @@
	+require 'devise/strategies/saml'
	+
	# Use this hook to configure devise mailer, warden hooks and so forth.
	# Many of these configuration options can be set straight in your model.
	Devise.setup do \|config\|
	# The secret key used by Devise. Devise uses this key to generate
	# random tokens. Changing this key will render invalid all existing
	# confirmation, reset password and unlock tokens in the database.
	# Devise will use the `secret_key_base` on Rails 4+ applications as its `secret_key`
	# by default. You can change it below and use your own secret key.
	# config.secret_key = '8557893ca5c4248eb26bfc80595b328b04393468124d964cb6e77a0b94f38c548445becf83cefcbb5dd634fd1113198d323ef5a8f0d05a7a1c79a71ef874aa03'

	# ==> Mailer Configuration
	# Configure the e-mail address which will be shown in Devise::Mailer,
	# note that it will be overwritten if you use your own mailer class
	# with default "from" parameter.
	config.mailer_sender = WebDNS.settings[:mail_from]

	# Configure the class responsible to send e-mails.
	# config.mailer = 'Devise::Mailer'

	# ==> ORM configuration
	# Load and configure the ORM. Supports :active_record (default) and
	# :mongoid (bson_ext recommended) by default. Other ORMs may be
	# available as additional gems.
	require 'devise/orm/active_record'

	# ==> Configuration for any authentication mechanism
	# Configure which keys are used when authenticating a user. The default is
	# just :email. You can configure it to use [:username, :subdomain], so for
	# authenticating a user, both parameters are required. Remember that those
	# parameters are used only when authenticating and not when retrieving from
	# session. If you need permissions, you should implement that in a before filter.
	# You can also supply a hash where the value is a boolean determining whether
	# or not authentication should be aborted when the value is not present.
	# config.authentication_keys = [:email]

	# Configure parameters from the request object used for authentication. Each entry
	# given should be a request method and it will automatically be passed to the
	# find_for_authentication method and considered in your model lookup. For instance,
	# if you set :request_keys to [:subdomain], :subdomain will be used on authentication.
	# The same considerations mentioned for authentication_keys also apply to request_keys.
	# config.request_keys = []

	# Configure which authentication keys should be case-insensitive.
	# These keys will be downcased upon creating or modifying a user and when used
	# to authenticate or find a user. Default is :email.
	config.case_insensitive_keys = [:email]

	# Configure which authentication keys should have whitespace stripped.
	# These keys will have whitespace before and after removed upon creating or
	# modifying a user and when used to authenticate or find a user. Default is :email.
	config.strip_whitespace_keys = [:email]

	# Tell if authentication through request.params is enabled. True by default.
	# It can be set to an array that will enable params authentication only for the
	# given strategies, for example, `config.params_authenticatable = [:database]` will
	# enable it only for database (email + password) authentication.
	# config.params_authenticatable = true

	# Tell if authentication through HTTP Auth is enabled. False by default.
	# It can be set to an array that will enable http authentication only for the
	# 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 = false

	# If 401 status code should be returned for AJAX requests. True by default.
	# config.http_authenticatable_on_xhr = true

	# The realm used in Http Basic Authentication. 'Application' by default.
	# config.http_authentication_realm = 'Application'

	# It will change confirmation, password recovery and other workflows
	# to behave the same regardless if the e-mail provided was right or wrong.
	# Does not affect registerable.
	# config.paranoid = true

	# By default Devise will store the user in session. You can skip storage for
	# particular strategies by setting this option.
	# Notice that if you are skipping storage for all authentication paths, you
	# may want to disable generating routes to Devise's sessions controller by
	# passing skip: :sessions to `devise_for` in your config/routes.rb
	config.skip_session_storage = [:http_auth]

	# By default, Devise cleans up the CSRF token on authentication to
	# avoid CSRF token fixation attacks. This means that, when using AJAX
	# requests for sign in and sign up, you need to get a new CSRF token
	# from the server. You can disable this option at your own risk.
	# config.clean_up_csrf_token_on_authentication = true

	# ==> Configuration for :database_authenticatable
	# For bcrypt, this is the cost for hashing the password and defaults to 10. If
	# using other encryptors, it sets how many times you want the password re-encrypted.
	#
	# Limiting the stretches to just one in testing will increase the performance of
	# your test suite dramatically. However, it is STRONGLY RECOMMENDED to not use
	# a value less than 10 in other environments. Note that, for bcrypt (the default
	# encryptor), the cost increases exponentially with the number of stretches (e.g.
	# a value of 20 is already extremely slow: approx. 60 seconds for 1 calculation).
	config.stretches = Rails.env.test? ? 1 : 10

	# Setup a pepper to generate the encrypted password.
	# config.pepper = '567cb5eba8ec2049756b33c32d39b8be9d75d88ecf7efa1bdd67eef0c3cde1d464681d24a419256650f223be993b8b03b53176a04e41a2aaa8570552e1ed5fcc'

	# ==> Configuration for :confirmable
	# A period that the user is allowed to access the website even without
	# confirming their account. For instance, if set to 2.days, the user will be
	# able to access the website for two days without confirming their account,
	# access will be blocked just in the third day. Default is 0.days, meaning
	# the user cannot access the website without confirming their account.
	# config.allow_unconfirmed_access_for = 2.days

	# A period that the user is allowed to confirm their account before their
	# token becomes invalid. For example, if set to 3.days, the user can confirm
	# their account within 3 days after the mail was sent, but on the fourth day
	# their account can't be confirmed with the token any more.
	# Default is nil, meaning there is no restriction on how long a user can take
	# before confirming their account.
	# config.confirm_within = 3.days

	# If true, requires any email changes to be confirmed (exactly the same way as
	# initial account confirmation) to be applied. Requires additional unconfirmed_email
	# db field (see migrations). Until confirmed, new email is stored in
	# unconfirmed_email column, and copied to email column on successful confirmation.
	config.reconfirmable = true

	# Defines which key will be used when confirming an account
	# config.confirmation_keys = [:email]

	# ==> Configuration for :rememberable
	# The time the user will be remembered without asking for credentials again.
	# config.remember_for = 2.weeks

	# Invalidates all the remember me tokens when the user signs out.
	config.expire_all_remember_me_on_sign_out = true

	# If true, extends the user's remember period when remembered via cookie.
	# config.extend_remember_period = false

	# Options to be passed to the created cookie. For instance, you can set
	# secure: true in order to force SSL only cookies.
	# config.rememberable_options = {}

	# ==> Configuration for :validatable
	# Range for password length.
	config.password_length = 8..72

	# Email regex used to validate email formats. It simply asserts that
	# one (and only one) @ exists in the given string. This is mainly
	# to give user feedback and not to assert the e-mail validity.
	# config.email_regexp = /\A[^@]+@[^@]+\z/

	# ==> Configuration for :timeoutable
	# The time you want to timeout the user session without activity. After this
	# time the user will be asked for credentials again. Default is 30 minutes.
	# config.timeout_in = 30.minutes

	# ==> Configuration for :lockable
	# Defines which strategy will be used to lock an account.
	# :failed_attempts = Locks an account after a number of failed attempts to sign in.
	# :none = No lock strategy. You should handle locking by yourself.
	# config.lock_strategy = :failed_attempts

	# Defines which key will be used when locking and unlocking an account
	# config.unlock_keys = [:email]

	# Defines which strategy will be used to unlock an account.
	# :email = Sends an unlock link to the user email
	# :time = Re-enables login after a certain amount of time (see :unlock_in below)
	# :both = Enables both strategies
	# :none = No unlock strategy. You should handle unlocking by yourself.
	# config.unlock_strategy = :both

	# Number of authentication tries before locking an account if lock_strategy
	# is failed attempts.
	# config.maximum_attempts = 20

	# Time interval to unlock the account if :time is enabled as unlock_strategy.
	# config.unlock_in = 1.hour

	# Warn on the last attempt before the account is locked.
	# config.last_attempt_warning = true

	# ==> Configuration for :recoverable
	#
	# Defines which key will be used when recovering the password for an account
	# config.reset_password_keys = [:email]

	# Time interval you can reset your password with a reset password key.
	# Don't put a too small interval or your users won't have the time to
	# change their passwords.
	config.reset_password_within = 6.hours

	# When set to false, does not sign a user in automatically after their password is
	# reset. Defaults to true, so a user is signed in automatically after a reset.
	# config.sign_in_after_reset_password = true

	# ==> Configuration for :encryptable
	# Allow you to use another encryption algorithm besides bcrypt (default). You can use
	# :sha1, :sha512 or encryptors from others authentication tools as :clearance_sha1,
	# :authlogic_sha512 (then you should set stretches above to 20 for default behavior)
	# and :restful_authentication_sha1 (then you should set stretches to 10, and copy
	# REST_AUTH_SITE_KEY to pepper).
	#
	# Require the `devise-encryptable` gem when using anything other than bcrypt
	# config.encryptor = :sha512

	# ==> Scopes configuration
	# Turn scoped views on. Before rendering "sessions/new", it will first check for
	# "users/sessions/new". It's turned off by default because it's slower if you
	# are using only default views.
	# config.scoped_views = false

	# Configure the default scope given to Warden. By default it's the first
	# devise role declared in your routes (usually :user).
	# config.default_scope = :user

	# Set this configuration to false if you want /users/sign_out to sign out
	# only the current scope. By default, Devise signs out all scopes.
	# config.sign_out_all_scopes = true

	# ==> Navigation configuration
	# Lists the formats that should be treated as navigational. Formats like
	# :html, should redirect to the sign in page when the user does not have
	# access, but formats like :xml or :json, should return 401.
	#
	# If you have any extra navigational formats, like :iphone or :mobile, you
	# should add them to the navigational formats lists.
	#
	# The "/" below is required to match Internet Explorer requests.
	# config.navigational_formats = ['/', :html]

	# The default HTTP method used to sign out a resource. Default is :delete.
	config.sign_out_via = :delete

	# ==> OmniAuth
	# Add a new OmniAuth provider. Check the wiki for more information on setting
	# up on your models and hooks.
	# config.omniauth :github, 'APP_ID', 'APP_SECRET', scope: 'user,public_repo'

	# ==> Warden configuration
	# If you want to use other strategies, that are not supported by Devise, or
	# change the failure app, you can configure them inside the config.warden block.
	#
	# config.warden do \|manager\|
	# manager.intercept_401 = false
	# manager.default_strategies(scope: :user).unshift :some_external_strategy
	# end

	# ==> Mountable engine configurations
	# When using Devise inside an engine, let's call it `MyEngine`, and this engine
	# is mountable, there are some extra configurations to be taken into account.
	# The following options are available, assuming the engine is mounted as:
	#
	# mount MyEngine, at: '/my_engine'
	#
	# The router that invoked `devise_for`, in the example above, would be:
	# config.router_name = :my_engine
	#
	# 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'
	end
	diff --git a/config/routes.rb b/config/routes.rb
	index 65301ec..4297194 100644
	--- a/config/routes.rb
	+++ b/config/routes.rb
	@@ -1,56 +1,57 @@
	Rails.application.routes.draw do
	# Override devise user removal
	devise_scope :users do
	delete :users, to: redirect('/')
	end
	devise_for :users
	+ get '/auth/saml', to: 'auth#saml'

	root to: redirect('/domains')

	resources :groups, only: [:show] do
	get :search_member,
	to: 'groups#search_member', on: :member
	post :members,
	to: 'groups#create_member', as: :create_member, on: :member
	delete 'member/:user_id',
	to: 'groups#destroy_member', as: :destroy_member, on: :member
	end

	resources :domains do
	get :edit_dnssec, to: 'domains#edit_dnssec', on: :member

	resources :records, except: [:index, :show] do
	# Reuse records#update instead of introducing new controller actions
	#
	# rubocop:disable Style/AlignHash
	put :disable, to: 'records#update', on: :member,
	defaults: { record: { disabled: true } }
	put :enable, to: 'records#update', on: :member,
	defaults: { record: { disabled: false } }

	put :editable, to: 'records#editable', on: :collection
	post :valid, to: 'records#valid', on: :collection
	post :bulk, to: 'records#bulk', on: :collection
	# rubocop:enable Style/AlignHash
	end
	end

	get '/records/search', to: 'records#search'

	# Admin
	namespace :admin do
	root to: redirect('/admin/groups')

	resources :groups, except: [:show]
	resources :jobs, only: [:index, :destroy]
	resources :users, only: [] do
	get :orphans, to: 'users#orphans', on: :collection
	put :update_groups, to: 'users#update_groups', on: :collection
	end
	end

	# Private
	put 'private/replace_ds', to: 'private#replace_ds'
	put 'private/trigger_event', to: 'private#trigger_event'
	end

	diff --git a/lib/devise/strategies/saml.rb b/lib/devise/strategies/saml.rb
	new file mode 100644
	index 0000000..2600bc4
	--- /dev/null
	+++ b/lib/devise/strategies/saml.rb
	@@ -0,0 +1,53 @@
	+require 'securerandom'
	+require 'devise/strategies/authenticatable'
	+
	+module Devise
	+ module Strategies
	+ class SamlAuthenticatable < Authenticatable
	+ def valid?
	+ return false unless persistent_id.present?
	+ return false unless mail.present?
	+
	+ return true if WebDNS.settings[:saml_required_entitlement].nil?
	+
	+ entitlement.present? &&
	+ entitlement.include?(WebDNS.settings[:saml_required_entitlement])
	+ end
	+
	+ def authenticate!
	+ if !WebDNS.settings[:saml]
	+ return fail!('SAML is disabled')
	+ end
	+
	+ identifier = ['saml', persistent_id].join(':')
	+ user = mapping.to.find_or_initialize_by(identifier: identifier)
	+
	+ return fail!('Wrong credentials') unless user
	+
	+ # Update user attributes
	+ user.email = mail
	+ user.password = SecureRandom.hex(15) if user.new_record?
	+ user.save!
	+
	+ success!(user)
	+ end
	+
	+ private
	+
	+ def persistent_id
	+ request.headers['PERSISTENT-ID']
	+ end
	+
	+ def mail
	+ request.headers['MAIL']
	+ end
	+
	+ def entitlement
	+ request.headers['ENTITLEMENT']
	+ end
	+
	+ end
	+ end
	+end
	+
	+Warden::Strategies.add(:saml, Devise::Strategies::SamlAuthenticatable)

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