Allow password authentication to be disabled entirely

app/controllers/application_controller.rb

@@ -204,7 +204,8 @@ class ApplicationController < ActionController::Base
   end
 
   def check_password_expiration
-    return if session[:impersonator_id] || current_user&.ldap_user?
+    return if session[:impersonator_id]
+    return unless current_user&.allow_password_authentication?
 
     password_expires_at = current_user&.password_expires_at
 

app/controllers/invites_controller.rb

@@ -51,7 +51,7 @@ class InvitesController < ApplicationController
     return if current_user
 
     notice = "To accept this invitation, sign in"
-    notice << " or create an account" if current_application_settings.signup_enabled?
+    notice << " or create an account" if current_application_settings.allow_signup?
     notice << "."
 
     store_location_for :user, request.fullpath

app/controllers/omniauth_callbacks_controller.rb

@@ -154,7 +154,7 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
     label = Gitlab::OAuth::Provider.label_for(oauth['provider'])
     message = "Signing in using your #{label} account without a pre-existing GitLab account is not allowed."
 
-    if current_application_settings.signup_enabled?
+    if current_application_settings.allow_signup?
       message << " Create a GitLab account first, and then connect it to your #{label} account."
     end
 

app/controllers/passwords_controller.rb

 class PasswordsController < Devise::PasswordsController
+  include Gitlab::CurrentSettings
+
   before_action :resource_from_email, only: [:create]
-  before_action :prevent_ldap_reset, only: [:create]
+  before_action :check_password_authentication_available, only: [:create]
   before_action :throttle_reset,      only: [:create]
 
   prepend EE::PasswordsController
@@ -27,7 +29,7 @@ class PasswordsController < Devise::PasswordsController
 
   def update
     super do |resource|
-      if resource.valid? && resource.require_password_creation?
+      if resource.valid? && resource.password_automatically_set?
         resource.update_attribute(:password_automatically_set, false)
       end
     end
@@ -40,11 +42,15 @@ class PasswordsController < Devise::PasswordsController
     self.resource = resource_class.find_by_email(email)
   end
 
-  def prevent_ldap_reset
-    return unless resource&.ldap_user?
+  def check_password_authentication_available
+    if resource
+      return if resource.allow_password_authentication?
+    else
+      return if current_application_settings.password_authentication_enabled?
+    end
 
     redirect_to after_sending_reset_password_instructions_path_for(resource_name),
-      alert: "Cannot reset password for LDAP user."
+      alert: "Password authentication is unavailable."
   end
 
   def throttle_reset

app/controllers/profiles/passwords_controller.rb

@@ -77,7 +77,7 @@ class Profiles::PasswordsController < Profiles::ApplicationController
   end
 
   def authorize_change_password!
-    render_404 if @user.ldap_user?
+    render_404 unless @user.allow_password_authentication?
   end
 
   def user_params

app/controllers/sessions_controller.rb

@@ -64,7 +64,7 @@ class SessionsController < Devise::SessionsController
 
     user = User.admins.last
 
-    return unless user && user.require_password_creation?
+    return unless user && user.require_password_creation_for_web?
 
     Users::UpdateService.new(current_user, user: user).execute do |user|
       @token = user.generate_reset_token

app/helpers/application_settings_helper.rb

@@ -4,9 +4,9 @@ module ApplicationSettingsHelper
 
   include Gitlab::CurrentSettings
 
-  delegate  :gravatar_enabled?,
-            :signup_enabled?,
-            :password_authentication_enabled?,
+  delegate  :allow_signup?,
+            :gravatar_enabled?,
+            :password_authentication_enabled_for_web?,
             :akismet_enabled?,
             :koding_enabled?,
             to: :current_application_settings
@@ -204,7 +204,7 @@ module ApplicationSettingsHelper
       :metrics_port,
       :metrics_sample_interval,
       :metrics_timeout,
-      :password_authentication_enabled,
+      :password_authentication_enabled_for_web,
       :performance_bar_allowed_group_id,
       :performance_bar_enabled,
       :plantuml_enabled,

app/helpers/button_helper.rb

@@ -58,12 +58,12 @@ module ButtonHelper
 
   def http_clone_button(project, placement = 'right', append_link: true)
     klass = 'http-selector'
-    klass << ' has-tooltip' if current_user.try(:require_password_creation?) || current_user.try(:require_personal_access_token_creation_for_git_auth?)
+    klass << ' has-tooltip' if current_user.try(:require_extra_setup_for_git_auth?)
 
     protocol = gitlab_config.protocol.upcase
 
     tooltip_title =
-      if current_user.try(:require_password_creation?)
+      if current_user.try(:require_password_creation_for_git?)
         _("Set a password on your account to pull or push via %{protocol}.") % { protocol: protocol }
       else
         _("Create a personal access token on your account to pull or push via %{protocol}.") % { protocol: protocol }

app/helpers/projects_helper.rb

@@ -236,11 +236,11 @@ module ProjectsHelper
 
   def show_no_password_message?
     cookies[:hide_no_password_message].blank? && !current_user.hide_no_password &&
-      ( current_user.require_password_creation? || current_user.require_personal_access_token_creation_for_git_auth? )
+      current_user.require_extra_setup_for_git_auth?
   end
 
   def link_to_set_password
-    if current_user.require_password_creation?
+    if current_user.require_password_creation_for_git?
       link_to s_('SetPasswordToCloneLink|set a password'), edit_profile_password_path
     else
       link_to s_('CreateTokenToCloneLink|create a personal access token'), profile_personal_access_tokens_path

app/models/application_setting.rb

@@ -289,7 +289,8 @@ class ApplicationSetting < ActiveRecord::Base
       koding_url: nil,
       max_artifacts_size: Settings.artifacts['max_size'],
       max_attachment_size: Settings.gitlab['max_attachment_size'],
-      password_authentication_enabled: Settings.gitlab['password_authentication_enabled'],
+      password_authentication_enabled_for_web: Settings.gitlab['signin_enabled'],
+      password_authentication_enabled_for_git: true,
       performance_bar_allowed_group_id: nil,
       rsa_key_restriction: 0,
       plantuml_enabled: false,
@@ -521,6 +522,14 @@ class ApplicationSetting < ActiveRecord::Base
     has_attribute?(attr_name) ? public_send(attr_name) : FORBIDDEN_KEY_VALUE # rubocop:disable GitlabSecurity/PublicSend
   end
 
+  def allow_signup?
+    signup_enabled? && password_authentication_enabled_for_web?
+  end
+
+  def password_authentication_enabled?
+    password_authentication_enabled_for_web? || password_authentication_enabled_for_git?
+  end
+
   private
 
   def ensure_uuid!

app/models/user.rb

@@ -648,18 +648,34 @@ class User < ActiveRecord::Base
     count.zero? && Gitlab::ProtocolAccess.allowed?('ssh')
   end
 
-  def require_password_creation?
-    password_automatically_set? && allow_password_authentication?
+  def require_password_creation_for_web?
+    allow_password_authentication_for_web? && password_automatically_set?
+  end
+
+  def require_password_creation_for_git?
+    allow_password_authentication_for_git? && password_automatically_set?
   end
 
   def require_personal_access_token_creation_for_git_auth?
-    return false if current_application_settings.password_authentication_enabled? || ldap_user?
+    return false if allow_password_authentication_for_git? || ldap_user?
 
     PersonalAccessTokensFinder.new(user: self, impersonation: false, state: 'active').execute.none?
   end
 
+  def require_extra_setup_for_git_auth?
+    require_password_creation_for_git? || require_personal_access_token_creation_for_git_auth?
+  end
+
   def allow_password_authentication?
-    !ldap_user? && current_application_settings.password_authentication_enabled?
+    allow_password_authentication_for_web? || allow_password_authentication_for_git?
+  end
+
+  def allow_password_authentication_for_web?
+    current_application_settings.password_authentication_enabled_for_web? && !ldap_user?
+  end
+
+  def allow_password_authentication_for_git?
+    current_application_settings.password_authentication_enabled_for_git? && !ldap_user?
   end
 
   def can_change_username?

app/services/users/build_service.rb

@@ -35,7 +35,7 @@ module Users
     private
 
     def can_create_user?
-      (current_user.nil? && current_application_settings.signup_enabled?) || current_user&.admin?
+      (current_user.nil? && current_application_settings.allow_signup?) || current_user&.admin?
     end
 
     # Allowed params for creating a user (admins only)

app/views/admin/application_settings/_form.html.haml

@@ -190,9 +190,22 @@
     .form-group
       .col-sm-offset-2.col-sm-10
         .checkbox
-          = f.label :password_authentication_enabled do
-            = f.check_box :password_authentication_enabled
-            Sign-in enabled
+          = f.label :password_authentication_enabled_for_web do
+            = f.check_box :password_authentication_enabled_for_web
+            Password authentication enabled for web interface
+            .help-block
+              When disabled, an external authentication provider must be used.
+    .form-group
+      .col-sm-offset-2.col-sm-10
+        .checkbox
+          = f.label :password_authentication_enabled_for_git do
+            = f.check_box :password_authentication_enabled_for_git
+            Password authentication enabled for Git over HTTP(S)
+            .help-block
+              When disabled, a Personal Access Token
+              - if Gitlab::LDAP::Config.enabled?
+                or LDAP password
+              must be used to authenticate.
     - if omniauth_enabled? && button_based_providers.any?
       .form-group
         = f.label :enabled_oauth_sign_in_sources, 'Enabled OAuth sign-in sources', class: 'control-label col-sm-2'

app/views/admin/dashboard/index.html.haml

@@ -48,10 +48,10 @@
           .well-segment.admin-well.admin-well-features
             %h4 Features
             - sign_up = "Sign up"
-            %p{ "aria-label" => "#{sign_up}: status " + (signup_enabled? ? "on" : "off") }
+            %p{ "aria-label" => "#{sign_up}: status " + (allow_signup? ? "on" : "off") }
               = sign_up
               %span.light.pull-right
-                = boolean_to_icon signup_enabled?
+                = boolean_to_icon allow_signup?
             - ldap = "LDAP"
             %p{ "aria-label" => "#{ldap}: status " + (Gitlab.config.ldap.enabled ? "on" : "off") }
               = ldap

app/views/devise/sessions/new.html.haml

@@ -6,15 +6,15 @@
   - else
     = render 'devise/shared/tabs_normal'
   .tab-content
-    - if password_authentication_enabled? || ldap_enabled? || crowd_enabled?
+    - if password_authentication_enabled_for_web? || ldap_enabled? || crowd_enabled?
       = render 'devise/shared/signin_box'
 
     -# Signup only makes sense if you can also sign-in
-    - if password_authentication_enabled? && signup_enabled?
+    - if allow_signup?
       = render 'devise/shared/signup_box'
 
   -# Show a message if none of the mechanisms above are enabled
-  - if !password_authentication_enabled? && !ldap_enabled? && !(omniauth_enabled? && devise_mapping.omniauthable?)
+  - if !password_authentication_enabled_for_web? && !ldap_enabled? && !(omniauth_enabled? && devise_mapping.omniauthable?)
     %div
       No authentication methods configured.
 

app/views/devise/shared/_links.erb

@@ -2,7 +2,7 @@
   <%= link_to "Sign in", new_session_path(resource_name), class: "btn" %><br />
 <% end -%>
 
-<%- if devise_mapping.registerable? && controller_name != 'registrations' && gitlab_config.signup_enabled %>
+<%- if devise_mapping.registerable? && controller_name != 'registrations' && allow_signup? %>
   <%= link_to "Sign up", new_registration_path(resource_name) %><br />
 <% end -%>
 

app/views/devise/shared/_signin_box.html.haml

@@ -13,12 +13,12 @@
     .login-box.tab-pane{ id: "#{server['provider_name']}", role: 'tabpanel', class: active_when(i.zero? && !crowd_enabled?) }
       .login-body
         = render 'devise/sessions/new_ldap', server: server
-  - if password_authentication_enabled?
+  - if password_authentication_enabled_for_web?
     .login-box.tab-pane{ id: 'ldap-standard', role: 'tabpanel' }
       .login-body
         = render 'devise/sessions/new_base'
 
-- elsif password_authentication_enabled?
+- elsif password_authentication_enabled_for_web?
   .login-box.tab-pane.active{ id: 'login-pane', role: 'tabpanel' }
     .login-body
       = render 'devise/sessions/new_base'

app/views/devise/shared/_tabs_ldap.html.haml

@@ -8,9 +8,9 @@
   - @ldap_servers.each_with_index do |server, i|
     %li{ class: active_when(i.zero? && !crowd_enabled?) }
       = link_to server['label'], "##{server['provider_name']}",  'data-toggle' => 'tab'
-  - if password_authentication_enabled?
+  - if password_authentication_enabled_for_web?
     %li
       = link_to 'Standard', '#ldap-standard', 'data-toggle' => 'tab'
-  - if password_authentication_enabled? && signup_enabled?
+  - if allow_signup?
     %li
       = link_to 'Register', '#register-pane', 'data-toggle' => 'tab'

app/views/devise/shared/_tabs_normal.html.haml

 %ul.nav-links.new-session-tabs.nav-tabs{ role: 'tablist' }
   %li.active{ role: 'presentation' }
     %a{ href: '#login-pane', data: { toggle: 'tab' }, role: 'tab' } Sign in
-  - if password_authentication_enabled? && signup_enabled?
+  - if allow_signup?
     %li{ role: 'presentation' }
       %a{ href: '#register-pane', data: { toggle: 'tab' }, role: 'tab' } Register

app/views/layouts/nav/sidebar/_profile.html.haml

@@ -85,7 +85,7 @@
             = link_to profile_emails_path do
               %strong.fly-out-top-item-name
                 #{ _('Emails') }
-      - unless current_user.ldap_user?
+      - if current_user.allow_password_authentication?
         = nav_link(controller: :passwords) do
           = link_to edit_profile_password_path do
             .nav-icon-container

app/views/notify/new_user_email.html.haml

 %p
   Hi #{@user['name']}!
 %p
-  - if Gitlab.config.gitlab.signup_enabled
+  - if current_application_settings.allow_signup?
     Your account has been created successfully.
   - else
     The Administrator created an account for you. Now you are a member of the company GitLab application.

changelogs/unreleased/feature-disable-password-authentication.yml

+---
+title: Allow password authentication to be disabled entirely
+merge_request: 15223
+author: Markus Koller
+type: changed

config/initializers/1_settings.rb

@@ -287,7 +287,7 @@ rescue ArgumentError # no user configured
 end
 Settings.gitlab['time_zone'] ||= nil
 Settings.gitlab['signup_enabled'] ||= true if Settings.gitlab['signup_enabled'].nil?
-Settings.gitlab['password_authentication_enabled'] ||= true if Settings.gitlab['password_authentication_enabled'].nil?
+Settings.gitlab['signin_enabled'] ||= true if Settings.gitlab['signin_enabled'].nil?
 Settings.gitlab['restricted_visibility_levels'] = Settings.__send__(:verify_constant_array, Gitlab::VisibilityLevel, Settings.gitlab['restricted_visibility_levels'], [])
 Settings.gitlab['username_changing_enabled'] = true if Settings.gitlab['username_changing_enabled'].nil?
 Settings.gitlab['issue_closing_pattern'] = '((?:[Cc]los(?:e[sd]?|ing)|[Ff]ix(?:e[sd]|ing)?|[Rr]esolv(?:e[sd]?|ing)|[Ii]mplement(?:s|ed|ing)?)(:?) +(?:(?:issues? +)?%{issue_ref}(?:(?:, *| +and +)?)|([A-Z][A-Z0-9_]+-\d+))+)' if Settings.gitlab['issue_closing_pattern'].nil?

db/migrate/20171106133143_rename_application_settings_password_authentication_enabled_to_password_authentication_enabled_for_web.rb

+class RenameApplicationSettingsPasswordAuthenticationEnabledToPasswordAuthenticationEnabledForWeb < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    rename_column_concurrently :application_settings, :password_authentication_enabled, :password_authentication_enabled_for_web
+  end
+
+  def down
+    cleanup_concurrent_column_rename :application_settings, :password_authentication_enabled_for_web, :password_authentication_enabled
+  end
+end

db/migrate/20171106133911_add_password_authentication_enabled_for_git_to_application_settings.rb

+class AddPasswordAuthenticationEnabledForGitToApplicationSettings < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    add_column :application_settings, :password_authentication_enabled_for_git, :boolean, default: true, null: false
+  end
+end

db/post_migrate/20171106133144_cleanup_application_settings_password_authentication_enabled_rename.rb

+class CleanupApplicationSettingsPasswordAuthenticationEnabledRename < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    cleanup_concurrent_column_rename :application_settings, :password_authentication_enabled, :password_authentication_enabled_for_web
+  end
+
+  def down
+    rename_column_concurrently :application_settings, :password_authentication_enabled_for_web, :password_authentication_enabled
+  end
+end

db/schema.rb

@@ -151,7 +151,6 @@ ActiveRecord::Schema.define(version: 20171120145444) do
     t.string "slack_app_id"
     t.string "slack_app_secret"
     t.string "slack_app_verification_token"
-    t.boolean "password_authentication_enabled"
     t.integer "performance_bar_allowed_group_id"
     t.boolean "allow_group_owners_to_manage_ldap", default: true, null: false
     t.boolean "hashed_storage_enabled", default: false, null: false
@@ -173,6 +172,8 @@ ActiveRecord::Schema.define(version: 20171120145444) do
     t.boolean "throttle_authenticated_web_enabled", default: false, null: false
     t.integer "throttle_authenticated_web_requests_per_period", default: 7200, null: false
     t.integer "throttle_authenticated_web_period_in_seconds", default: 3600, null: false
+    t.boolean "password_authentication_enabled_for_web"
+    t.boolean "password_authentication_enabled_for_git", default: true
   end
 
   create_table "approvals", force: :cascade do |t|

doc/administration/auth/ldap.md

@@ -39,6 +39,12 @@ immediately block all access.
 >**Note**: GitLab EE supports a configurable sync time, with a default
 of one hour.
 
+## Git password authentication
+
+LDAP-enabled users can always authenticate with Git using their GitLab username
+or email and LDAP password, even if password authentication for Git is disabled
+in the application settings.
+
 ## Configuration
 
 To enable LDAP integration you need to add your LDAP server settings in

doc/api/settings.md

@@ -25,7 +25,7 @@ Example response:
    "id" : 1,
    "default_branch_protection" : 2,
    "restricted_visibility_levels" : [],
-   "password_authentication_enabled" : true,
+   "password_authentication_enabled_for_web" : true,
    "after_sign_out_path" : null,
    "max_attachment_size" : 10,
    "user_oauth_applications" : true,
@@ -130,7 +130,8 @@ PUT /application/settings
 | `metrics_port`                           | integer          | no                                            | The UDP port to use for connecting to InfluxDB                                                                                                                                                                                                                                                                                                                                                                                                            |
 | `metrics_sample_interval`                | integer          | yes (if `metrics_enabled` is `true`)          | The sampling interval in seconds.                                                                                                                                                                                                                                                                                                                                                                                                                         |
 | `metrics_timeout`                        | integer          | yes (if `metrics_enabled` is `true`)          | The amount of seconds after which InfluxDB will time out.                                                                                                                                                                                                                                                                                                                                                                                                 |
-| `password_authentication_enabled`        | boolean          | no                                            | Enable authentication via a GitLab account password. Default is `true`.                                                                                                                                                                                                                                                                                                                                                                                   |
+| `password_authentication_enabled_for_web` | boolean         | no                                            | Enable authentication for the web interface via a GitLab account password. Default is `true`.                                                                                                                                                                                                                                                                                                                                                                                   |
+| `password_authentication_enabled_for_git` | boolean         | no                                            | Enable authentication for Git over HTTP(S) via a GitLab account password. Default is `true`.                                                                                                                                                                                                                                                                                                                                                                                   |
 | `performance_bar_allowed_group_id`       | string           | no                                            | The group that is allowed to enable the performance bar                                                                                                                                                                                                                                                                                                                                                                                                   |
 | `performance_bar_enabled`                | boolean          | no                                            | Allow enabling the performance bar                                                                                                                                                                                                                                                                                                                                                                                                                        |
 | `plantuml_enabled`                       | boolean          | no                                            | Enable PlantUML integration. Default is `false`.                                                                                                                                                                                                                                                                                                                                                                                                          |
@@ -182,7 +183,7 @@ Example response:
   "id": 1,
   "default_projects_limit": 100000,
   "signup_enabled": true,
-  "password_authentication_enabled": true,
+  "password_authentication_enabled_for_web": true,
   "gravatar_enabled": true,
   "sign_in_text": "",
   "created_at": "2015-06-12T15:51:55.432Z",

lib/api/entities.rb

@@ -852,7 +852,10 @@ module API
       expose(:default_project_visibility) { |setting, _options| Gitlab::VisibilityLevel.string_level(setting.default_project_visibility) }
       expose(:default_snippet_visibility) { |setting, _options| Gitlab::VisibilityLevel.string_level(setting.default_snippet_visibility) }
       expose(:default_group_visibility) { |setting, _options| Gitlab::VisibilityLevel.string_level(setting.default_group_visibility) }
-      expose :password_authentication_enabled, as: :signin_enabled
+
+      # support legacy names, can be removed in v5
+      expose :password_authentication_enabled_for_web, as: :password_authentication_enabled
+      expose :password_authentication_enabled_for_web, as: :signin_enabled
     end
 
     class Release < Grape::Entity

lib/api/settings.rb

@@ -44,9 +44,11 @@ module API
         requires :domain_blacklist, type: String, desc: 'Users with e-mail addresses that match these domain(s) will NOT be able to sign-up. Wildcards allowed. Use separate lines for multiple entries. Ex: domain.com, *.domain.com'
       end
       optional :after_sign_up_text, type: String, desc: 'Text shown after sign up'
-      optional :password_authentication_enabled, type: Boolean, desc: 'Flag indicating if password authentication is enabled'
-      optional :signin_enabled, type: Boolean, desc: 'Flag indicating if password authentication is enabled'
-      mutually_exclusive :password_authentication_enabled, :signin_enabled
+      optional :password_authentication_enabled_for_web, type: Boolean, desc: 'Flag indicating if password authentication is enabled for the web interface'
+      optional :password_authentication_enabled, type: Boolean, desc: 'Flag indicating if password authentication is enabled for the web interface' # support legacy names, can be removed in v5
+      optional :signin_enabled, type: Boolean, desc: 'Flag indicating if password authentication is enabled for the web interface' # support legacy names, can be removed in v5
+      mutually_exclusive :password_authentication_enabled_for_web, :password_authentication_enabled, :signin_enabled
+      optional :password_authentication_enabled_for_git, type: Boolean, desc: 'Flag indicating if password authentication is enabled for Git over HTTP(S)'
       optional :require_two_factor_authentication, type: Boolean, desc: 'Require all users to setup Two-factor authentication'
       given require_two_factor_authentication: ->(val) { val } do
         requires :two_factor_grace_period, type: Integer, desc: 'Amount of time (in hours) that users are allowed to skip forced configuration of two-factor authentication'
@@ -156,8 +158,11 @@ module API
         attrs = attrs.except(*::EE::ApplicationSettingsHelper.repository_mirror_attributes)
       end
 
+      # support legacy names, can be removed in v5
       if attrs.has_key?(:signin_enabled)
-        attrs[:password_authentication_enabled] = attrs.delete(:signin_enabled)
+        attrs[:password_authentication_enabled_for_web] = attrs.delete(:signin_enabled)
+      elsif attrs.has_key?(:password_authentication_enabled)
+        attrs[:password_authentication_enabled_for_web] = attrs.delete(:password_authentication_enabled)
       end
 
       if current_settings.update_attributes(attrs)

lib/api/v3/entities.rb

@@ -187,8 +187,8 @@ module API
         expose :id
         expose :default_projects_limit
         expose :signup_enabled
-        expose :password_authentication_enabled
-        expose :password_authentication_enabled, as: :signin_enabled
+        expose :password_authentication_enabled_for_web, as: :password_authentication_enabled
+        expose :password_authentication_enabled_for_web, as: :signin_enabled
         expose :gravatar_enabled
         expose :sign_in_text
         expose :after_sign_up_text

lib/api/v3/settings.rb

@@ -44,8 +44,8 @@ module API
           requires :domain_blacklist, type: String, desc: 'Users with e-mail addresses that match these domain(s) will NOT be able to sign-up. Wildcards allowed. Use separate lines for multiple entries. Ex: domain.com, *.domain.com'
         end
         optional :after_sign_up_text, type: String, desc: 'Text shown after sign up'
-        optional :password_authentication_enabled, type: Boolean, desc: 'Flag indicating if password authentication is enabled'
-        optional :signin_enabled, type: Boolean, desc: 'Flag indicating if password authentication is enabled'
+        optional :password_authentication_enabled, type: Boolean, desc: 'Flag indicating if password authentication is enabled for the web interface'
+        optional :signin_enabled, type: Boolean, desc: 'Flag indicating if password authentication is enabled for the web interface'
         mutually_exclusive :password_authentication_enabled, :signin_enabled
         optional :require_two_factor_authentication, type: Boolean, desc: 'Require all users to setup Two-factor authentication'
         given require_two_factor_authentication: ->(val) { val } do
@@ -144,7 +144,9 @@ module API
         attrs = declared_params(include_missing: false)
 
         if attrs.has_key?(:signin_enabled)
-          attrs[:password_authentication_enabled] = attrs.delete(:signin_enabled)
+          attrs[:password_authentication_enabled_for_web] = attrs.delete(:signin_enabled)
+        elsif attrs.has_key?(:password_authentication_enabled)
+          attrs[:password_authentication_enabled_for_web] = attrs.delete(:password_authentication_enabled)
         end
 
         if current_settings.update_attributes(attrs)

lib/gitlab/auth.rb

@@ -35,7 +35,7 @@ module Gitlab
         rate_limit!(ip, success: result.success?, login: login)
         Gitlab::Auth::UniqueIpsLimiter.limit_user!(result.actor)
 
-        return result if result.success? || current_application_settings.password_authentication_enabled? || Gitlab::LDAP::Config.enabled?
+        return result if result.success? || authenticate_using_internal_or_ldap_password?
 
         # If sign-in is disabled and LDAP is not configured, recommend a
         # personal access token on failed auth attempts
@@ -46,6 +46,10 @@ module Gitlab
         # Avoid resource intensive login checks if password is not provided
         return unless password.present?
 
+        # Nothing to do here if internal auth is disabled and LDAP is
+        # not configured
+        return unless authenticate_using_internal_or_ldap_password?
+
         Gitlab::Auth::UniqueIpsLimiter.limit_user! do
           user = User.by_login(login)
 
@@ -53,10 +57,8 @@ module Gitlab
           #   LDAP users are only authenticated via LDAP
           if user.nil? || user.ldap_user?
             # Second chance - try LDAP authentication
-            return unless Gitlab::LDAP::Config.enabled?
-
             Gitlab::LDAP::Authentication.login(login, password)
-          else
+          elsif current_application_settings.password_authentication_enabled_for_git?
             user if user.active? && user.valid_password?(password)
           end
         end
@@ -85,6 +87,10 @@ module Gitlab
 
       private
 
+      def authenticate_using_internal_or_ldap_password?
+        current_application_settings.password_authentication_enabled_for_git? || Gitlab::LDAP::Config.enabled?
+      end
+
       def service_request_check(login, password, project)
         matched_login = /(?<service>^[a-zA-Z]*-ci)-token$/.match(login)
 

lib/gitlab/usage_data.rb

@@ -113,7 +113,7 @@ module Gitlab
 
       def features_usage_data_ce
         {
-          signup: current_application_settings.signup_enabled?,
+          signup: current_application_settings.allow_signup?,
           ldap: Gitlab.config.ldap.enabled,
           gravatar: current_application_settings.gravatar_enabled?,
           omniauth: Gitlab.config.omniauth.enabled,

spec/controllers/application_controller_spec.rb

@@ -41,14 +41,13 @@ describe ApplicationController do
       controller.send(:check_password_expiration)
     end
 
-    it 'redirects if the user is over their password expiry and sign-in is disabled' do
-      stub_application_setting(password_authentication_enabled: false)
+    it 'does not redirect if the user is over their password expiry but password authentication is disabled for the web interface' do
+      stub_application_setting(password_authentication_enabled_for_web: false)
+      stub_application_setting(password_authentication_enabled_for_git: false)
       user.password_expires_at = Time.new(2002)
 
-      expect(user.ldap_user?).to be_falsey
       allow(controller).to receive(:current_user).and_return(user)
-      expect(controller).to receive(:redirect_to)
-      expect(controller).to receive(:new_profile_password_path)
+      expect(controller).not_to receive(:redirect_to)
 
       controller.send(:check_password_expiration)
     end

spec/controllers/passwords_controller_spec.rb

 require 'spec_helper'
 
 describe PasswordsController do
-  describe '#prevent_ldap_reset' do
+  describe '#check_password_authentication_available' do
     before do
       @request.env["devise.mapping"] = Devise.mappings[:user]
     end
 
-    context 'when password authentication is disabled' do
-      it 'allows password reset' do
-        stub_application_setting(password_authentication_enabled: false)
+    context 'when password authentication is disabled for the web interface and Git' do
+      it 'prevents a password reset' do
+        stub_application_setting(password_authentication_enabled_for_web: false)
+        stub_application_setting(password_authentication_enabled_for_git: false)
 
         post :create
 
         expect(response).to have_gitlab_http_status(302)
+        expect(flash[:alert]).to eq 'Password authentication is unavailable.'
       end
     end
 
@@ -22,7 +24,7 @@ describe PasswordsController do
       it 'prevents a password reset' do
         post :create, user: { email: user.email }
 
-        expect(flash[:alert]).to eq('Cannot reset password for LDAP user.')
+        expect(flash[:alert]).to eq 'Password authentication is unavailable.'
       end
     end
   end

spec/controllers/registrations_controller_spec.rb

@@ -118,7 +118,8 @@ describe RegistrationsController do
 
     context 'user does not require password confirmation' do
       before do
-        stub_application_setting(password_authentication_enabled: false)
+        stub_application_setting(password_authentication_enabled_for_web: false)
+        stub_application_setting(password_authentication_enabled_for_git: false)
       end
 
       it 'fails if username confirmation is not provided' do

spec/features/profiles/password_spec.rb

@@ -53,12 +53,13 @@ describe 'Profile > Password' do
     context 'Regular user' do
       let(:user) { create(:user) }
 
-      it 'renders 200 when sign-in is disabled' do
-        stub_application_setting(password_authentication_enabled: false)
+      it 'renders 404 when password authentication is disabled for the web interface and Git' do
+        stub_application_setting(password_authentication_enabled_for_web: false)
+        stub_application_setting(password_authentication_enabled_for_git: false)
 
         visit edit_profile_password_path
 
-        expect(page).to have_gitlab_http_status(200)
+        expect(page).to have_gitlab_http_status(404)
       end
     end
 

spec/features/projects/no_password_spec.rb

@@ -30,7 +30,7 @@ feature 'No Password Alert' do
     let(:user) { create(:omniauth_user, extern_uid: 'my-uid', provider: 'saml') }
 
     before do
-      stub_application_setting(password_authentication_enabled?: false)
+      stub_application_setting(password_authentication_enabled_for_git?: false)
       stub_omniauth_saml_config(enabled: true, auto_link_saml_user: true, allow_single_sign_on: ['saml'], providers: [mock_saml_config])
     end
 

spec/helpers/button_helper_spec.rb

@@ -35,7 +35,7 @@ describe ButtonHelper do
 
     context 'with internal auth disabled' do
       before do
-        stub_application_setting(password_authentication_enabled?: false)
+        stub_application_setting(password_authentication_enabled_for_git?: false)
       end
 
       context 'when user has no personal access tokens' do

spec/helpers/projects_helper_spec.rb

@@ -150,17 +150,26 @@ describe ProjectsHelper do
       end
     end
 
-    context 'user requires a password' do
-      let(:user) { create(:user, password_automatically_set: true) }
+    context 'user has hidden the message' do
+      it 'returns false' do
+        allow(helper).to receive(:cookies).and_return(hide_no_password_message: true)
+
+        expect(helper.show_no_password_message?).to be_falsey
+      end
+    end
 
+    context 'user requires a password for Git' do
       it 'returns true' do
+        allow(user).to receive(:require_password_creation_for_git?).and_return(true)
+
         expect(helper.show_no_password_message?).to be_truthy
       end
     end
 
-    context 'user requires a personal access token' do
+    context 'user requires a personal access token for Git' do
       it 'returns true' do
-        stub_application_setting(password_authentication_enabled?: false)
+        allow(user).to receive(:require_password_creation_for_git?).and_return(false)
+        allow(user).to receive(:require_personal_access_token_creation_for_git_auth?).and_return(true)
 
         expect(helper.show_no_password_message?).to be_truthy
       end
@@ -168,23 +177,23 @@ describe ProjectsHelper do
   end
 
   describe '#link_to_set_password' do
+    let(:user) { create(:user, password_automatically_set: true) }
+
     before do
       allow(helper).to receive(:current_user).and_return(user)
     end
 
-    context 'user requires a password' do
-      let(:user) { create(:user, password_automatically_set: true) }
-
+    context 'password authentication is enabled for Git' do
       it 'returns link to set a password' do
+        stub_application_setting(password_authentication_enabled_for_git?: true)
+
         expect(helper.link_to_set_password).to match %r{<a href="#{edit_profile_password_path}">set a password</a>}
       end
     end
 
-    context 'user requires a personal access token' do
-      let(:user) { create(:user) }
-
+    context 'password authentication is disabled for Git' do
       it 'returns link to create a personal access token' do
-        stub_application_setting(password_authentication_enabled?: false)
+        stub_application_setting(password_authentication_enabled_for_git?: false)
 
         expect(helper.link_to_set_password).to match %r{<a href="#{profile_personal_access_tokens_path}">create a personal access token</a>}
       end

spec/lib/gitlab/auth_spec.rb

@@ -251,7 +251,7 @@ describe Gitlab::Auth do
     end
 
     it 'throws an error suggesting user create a PAT when internal auth is disabled' do
-      allow_any_instance_of(ApplicationSetting).to receive(:password_authentication_enabled?) { false }
+      allow_any_instance_of(ApplicationSetting).to receive(:password_authentication_enabled_for_git?) { false }
 
       expect { gl_auth.find_for_git_client('foo', 'bar', project: nil, ip: 'ip') }.to raise_error(Gitlab::Auth::MissingPersonalAccessTokenError)
     end
@@ -324,6 +324,26 @@ describe Gitlab::Auth do
         gl_auth.find_with_user_password('ldap_user', 'password')
       end
     end
+
+    context "with password authentication disabled for Git" do
+      before do
+        stub_application_setting(password_authentication_enabled_for_git: false)
+      end
+
+      it "does not find user by valid login/password" do
+        expect(gl_auth.find_with_user_password(username, password)).to be_nil
+      end
+
+      context "with ldap enabled" do
+        before do
+          allow(Gitlab::LDAP::Config).to receive(:enabled?).and_return(true)
+        end
+
+        it "does not find non-ldap user by valid login/password" do
+          expect(gl_auth.find_with_user_password(username, password)).to be_nil
+        end
+      end
+    end
   end
 
   private

spec/lib/gitlab/fake_application_settings_spec.rb

 require 'spec_helper'
 
 describe Gitlab::FakeApplicationSettings do
-  let(:defaults) { { password_authentication_enabled: false, foobar: 'asdf', signup_enabled: true, 'test?' => 123 } }
+  let(:defaults) { { password_authentication_enabled_for_web: false, foobar: 'asdf', signup_enabled: true, 'test?' => 123 } }
 
   subject { described_class.new(defaults) }
 
   it 'wraps OpenStruct variables properly' do
-    expect(subject.password_authentication_enabled).to be_falsey
+    expect(subject.password_authentication_enabled_for_web).to be_falsey
     expect(subject.signup_enabled).to be_truthy
     expect(subject.foobar).to eq('asdf')
   end
 
   it 'defines predicate methods' do
-    expect(subject.password_authentication_enabled?).to be_falsey
+    expect(subject.password_authentication_enabled_for_web?).to be_falsey
     expect(subject.signup_enabled?).to be_truthy
   end
 
   it 'predicate method changes when value is updated' do
-    subject.password_authentication_enabled = true
+    subject.password_authentication_enabled_for_web = true
 
-    expect(subject.password_authentication_enabled?).to be_truthy
+    expect(subject.password_authentication_enabled_for_web?).to be_truthy
   end
 
   it 'does not define a predicate method' do

spec/lib/gitlab/usage_data_spec.rb

@@ -120,7 +120,7 @@ describe Gitlab::UsageData do
     subject { described_class.features_usage_data_ce }
 
     it 'gathers feature usage data' do
-      expect(subject[:signup]).to eq(current_application_settings.signup_enabled?)
+      expect(subject[:signup]).to eq(current_application_settings.allow_signup?)
       expect(subject[:ldap]).to eq(Gitlab.config.ldap.enabled)
       expect(subject[:gravatar]).to eq(current_application_settings.gravatar_enabled?)
       expect(subject[:omniauth]).to eq(Gitlab.config.omniauth.enabled)

spec/models/application_setting_spec.rb

@@ -649,4 +649,22 @@ describe ApplicationSetting do
       expect(setting.key_restriction_for(:foo)).to eq(described_class::FORBIDDEN_KEY_VALUE)
     end
   end
+
+  describe '#allow_signup?' do
+    it 'returns true' do
+      expect(setting.allow_signup?).to be_truthy
+    end
+
+    it 'returns false if signup is disabled' do
+      allow(setting).to receive(:signup_enabled?).and_return(false)
+
+      expect(setting.allow_signup?).to be_falsey
+    end
+
+    it 'returns false if password authentication is disabled for the web interface' do
+      allow(setting).to receive(:password_authentication_enabled_for_web?).and_return(false)
+
+      expect(setting.allow_signup?).to be_falsey
+    end
+  end
 end

spec/models/user_spec.rb

@@ -2266,25 +2266,47 @@ describe User do
     end
   end
 
-  describe '#allow_password_authentication?' do
+  describe '#allow_password_authentication_for_web?' do
     context 'regular user' do
       let(:user) { build(:user) }
 
-      it 'returns true when sign-in is enabled' do
-        expect(user.allow_password_authentication?).to be_truthy
+      it 'returns true when password authentication is enabled for the web interface' do
+        expect(user.allow_password_authentication_for_web?).to be_truthy
       end
 
-      it 'returns false when sign-in is disabled' do
-        stub_application_setting(password_authentication_enabled: false)
+      it 'returns false when password authentication is disabled for the web interface' do
+        stub_application_setting(password_authentication_enabled_for_web: false)
 
-        expect(user.allow_password_authentication?).to be_falsey
+        expect(user.allow_password_authentication_for_web?).to be_falsey
       end
     end
 
     it 'returns false for ldap user' do
       user = create(:omniauth_user, provider: 'ldapmain')
 
-      expect(user.allow_password_authentication?).to be_falsey
+      expect(user.allow_password_authentication_for_web?).to be_falsey
+    end
+  end
+
+  describe '#allow_password_authentication_for_git?' do
+    context 'regular user' do
+      let(:user) { build(:user) }
+
+      it 'returns true when password authentication is enabled for Git' do
+        expect(user.allow_password_authentication_for_git?).to be_truthy
+      end
+
+      it 'returns false when password authentication is disabled Git' do
+        stub_application_setting(password_authentication_enabled_for_git: false)
+
+        expect(user.allow_password_authentication_for_git?).to be_falsey
+      end
+    end
+
+    it 'returns false for ldap user' do
+      user = create(:omniauth_user, provider: 'ldapmain')
+
+      expect(user.allow_password_authentication_for_git?).to be_falsey
     end
   end
 
@@ -2504,7 +2526,8 @@ describe User do
       let(:expected) { !(password_automatically_set || ldap_user || password_authentication_disabled) }
 
       before do
-        stub_application_setting(password_authentication_enabled: !password_authentication_disabled)
+        stub_application_setting(password_authentication_enabled_for_web: !password_authentication_disabled)
+        stub_application_setting(password_authentication_enabled_for_git: !password_authentication_disabled)
       end
 
       it 'returns false unless all inputs are true' do

spec/requests/api/settings_spec.rb

@@ -11,7 +11,7 @@ describe API::Settings, 'Settings' do
       expect(response).to have_gitlab_http_status(200)
       expect(json_response).to be_an Hash
       expect(json_response['default_projects_limit']).to eq(42)
-      expect(json_response['signin_enabled']).to be_truthy
+      expect(json_response['password_authentication_enabled_for_web']).to be_truthy
       expect(json_response['repository_storages']).to eq(['default'])
       expect(json_response['password_authentication_enabled']).to be_truthy
       expect(json_response['koding_enabled']).to be_falsey
@@ -39,8 +39,8 @@ describe API::Settings, 'Settings' do
       it "updates application settings" do
         put api("/application/settings", admin),
           default_projects_limit: 3,
+          password_authentication_enabled_for_web: false,
           repository_storages: ['custom'],
-          password_authentication_enabled: false,
           koding_enabled: true,
           koding_url: 'http://koding.example.com',
           plantuml_enabled: true,
@@ -60,8 +60,7 @@ describe API::Settings, 'Settings' do
 
         expect(response).to have_gitlab_http_status(200)
         expect(json_response['default_projects_limit']).to eq(3)
-        expect(json_response['signin_enabled']).to be_falsey
-        expect(json_response['password_authentication_enabled']).to be_falsey
+        expect(json_response['password_authentication_enabled_for_web']).to be_falsey
         expect(json_response['repository_storages']).to eq(['custom'])
         expect(json_response['koding_enabled']).to be_truthy
         expect(json_response['koding_url']).to eq('http://koding.example.com')

spec/requests/api/v3/settings_spec.rb

@@ -29,12 +29,12 @@ describe API::V3::Settings, 'Settings' do
 
       it "updates application settings" do
         put v3_api("/application/settings", admin),
-          default_projects_limit: 3, password_authentication_enabled: false, repository_storage: 'custom', koding_enabled: true, koding_url: 'http://koding.example.com',
+          default_projects_limit: 3, password_authentication_enabled_for_web: false, repository_storage: 'custom', koding_enabled: true, koding_url: 'http://koding.example.com',
           plantuml_enabled: true, plantuml_url: 'http://plantuml.example.com'
 
         expect(response).to have_gitlab_http_status(200)
         expect(json_response['default_projects_limit']).to eq(3)
-        expect(json_response['password_authentication_enabled']).to be_falsey
+        expect(json_response['password_authentication_enabled_for_web']).to be_falsey
         expect(json_response['repository_storage']).to eq('custom')
         expect(json_response['repository_storages']).to eq(['custom'])
         expect(json_response['koding_enabled']).to be_truthy

spec/requests/git_http_spec.rb

@@ -463,7 +463,7 @@ describe 'Git HTTP requests' do
 
               context 'when internal auth is disabled' do
                 before do
-                  allow_any_instance_of(ApplicationSetting).to receive(:password_authentication_enabled?) { false }
+                  allow_any_instance_of(ApplicationSetting).to receive(:password_authentication_enabled_for_git?) { false }
                 end
 
                 it 'rejects pulls with personal access token error message' do

spec/requests/jwt_controller_spec.rb

@@ -105,7 +105,7 @@ describe JwtController do
 
       context 'when internal auth is disabled' do
         it 'rejects the authorization attempt with personal access token message' do
-          allow_any_instance_of(ApplicationSetting).to receive(:password_authentication_enabled?) { false }
+          allow_any_instance_of(ApplicationSetting).to receive(:password_authentication_enabled_for_git?) { false }
           get '/jwt/auth', parameters, headers
 
           expect(response).to have_gitlab_http_status(401)

spec/support/matchers/have_gitlab_http_status.rb

@@ -9,6 +9,6 @@ RSpec::Matchers.define :have_gitlab_http_status do |expected|
 
   failure_message do |actual|
     "expected the response to have status code #{expected.inspect}" \
-    " but it was #{actual.response_code}. The response was: #{actual.body}"
+    " but it was #{actual.status_code}. The response was: #{actual.body}"
   end
 end