From a986819a7bce2002018dfafed3900dc3f2e8fb81 Mon Sep 17 00:00:00 2001
From: GitLab Bot <gitlab-bot@gitlab.com>
Date: Tue, 1 Sep 2020 16:52:41 +0000
Subject: Add latest changes from gitlab-org/security/gitlab@13-3-stable-ee

---
 .../concerns/authenticates_with_two_factor.rb      | 24 ++++++++++++++--
 .../concerns/enforces_two_factor_authentication.rb | 18 ++++++------
 app/controllers/concerns/hooks_execution.rb        | 12 ++++++++
 app/controllers/omniauth_callbacks_controller.rb   | 11 ++------
 .../profiles/active_sessions_controller.rb         |  1 +
 .../profiles/two_factor_auths_controller.rb        |  4 ++-
 app/controllers/projects/hooks_controller.rb       |  1 +
 app/controllers/projects/tags_controller.rb        |  2 +-
 app/controllers/sessions_controller.rb             | 13 ++++++---
 app/finders/user_recent_events_finder.rb           | 12 ++++++--
 app/graphql/mutations/snippets/base.rb             |  2 +-
 app/models/active_session.rb                       | 13 +++++++++
 app/models/clusters/applications/runner.rb         |  2 +-
 app/models/member.rb                               |  2 ++
 app/models/user.rb                                 |  7 +++++
 .../container_registry_authentication_service.rb   |  1 +
 app/services/members/destroy_service.rb            | 33 +++++++++++++++++++---
 .../active_sessions/_active_session.html.haml      |  2 +-
 18 files changed, 125 insertions(+), 35 deletions(-)

(limited to 'app')

diff --git a/app/controllers/concerns/authenticates_with_two_factor.rb b/app/controllers/concerns/authenticates_with_two_factor.rb
index 4b4bcc8d37e..2cc51c65c26 100644
--- a/app/controllers/concerns/authenticates_with_two_factor.rb
+++ b/app/controllers/concerns/authenticates_with_two_factor.rb
@@ -22,6 +22,8 @@ module AuthenticatesWithTwoFactor
     return handle_locked_user(user) unless user.can?(:log_in)
 
     session[:otp_user_id] = user.id
+    session[:user_updated_at] = user.updated_at
+
     setup_u2f_authentication(user)
     render 'devise/sessions/two_factor'
   end
@@ -39,6 +41,7 @@ module AuthenticatesWithTwoFactor
   def authenticate_with_two_factor
     user = self.resource = find_user
     return handle_locked_user(user) unless user.can?(:log_in)
+    return handle_changed_user(user) if user_changed?(user)
 
     if user_params[:otp_attempt].present? && session[:otp_user_id]
       authenticate_with_two_factor_via_otp(user)
@@ -63,12 +66,14 @@ module AuthenticatesWithTwoFactor
 
   def clear_two_factor_attempt!
     session.delete(:otp_user_id)
+    session.delete(:user_updated_at)
+    session.delete(:challenge)
   end
 
   def authenticate_with_two_factor_via_otp(user)
     if valid_otp_attempt?(user)
       # Remove any lingering user data from login
-      session.delete(:otp_user_id)
+      clear_two_factor_attempt!
 
       remember_me(user) if user_params[:remember_me] == '1'
       user.save!
@@ -85,8 +90,7 @@ module AuthenticatesWithTwoFactor
   def authenticate_with_two_factor_via_u2f(user)
     if U2fRegistration.authenticate(user, u2f_app_id, user_params[:device_response], session[:challenge])
       # Remove any lingering user data from login
-      session.delete(:otp_user_id)
-      session.delete(:challenge)
+      clear_two_factor_attempt!
 
       remember_me(user) if user_params[:remember_me] == '1'
       sign_in(user, message: :two_factor_authenticated, event: :authentication)
@@ -113,4 +117,18 @@ module AuthenticatesWithTwoFactor
     end
   end
   # rubocop: enable CodeReuse/ActiveRecord
+
+  def handle_changed_user(user)
+    clear_two_factor_attempt!
+
+    redirect_to new_user_session_path, alert: _('An error occurred. Please sign in again.')
+  end
+
+  # If user has been updated since we validated the password,
+  # the password might have changed.
+  def user_changed?(user)
+    return false unless session[:user_updated_at]
+
+    user.updated_at != session[:user_updated_at]
+  end
 end
diff --git a/app/controllers/concerns/enforces_two_factor_authentication.rb b/app/controllers/concerns/enforces_two_factor_authentication.rb
index f1dd46648f1..02082f81598 100644
--- a/app/controllers/concerns/enforces_two_factor_authentication.rb
+++ b/app/controllers/concerns/enforces_two_factor_authentication.rb
@@ -29,12 +29,11 @@ module EnforcesTwoFactorAuthentication
   end
 
   def two_factor_authentication_required?
-    Gitlab::CurrentSettings.require_two_factor_authentication? ||
-      current_user.try(:require_two_factor_authentication_from_group?)
+    two_factor_verifier.two_factor_authentication_required?
   end
 
   def current_user_requires_two_factor?
-    current_user && !current_user.temp_oauth_email? && !current_user.two_factor_enabled? && !skip_two_factor?
+    two_factor_verifier.current_user_needs_to_setup_two_factor? && !skip_two_factor?
   end
 
   # rubocop: disable CodeReuse/ActiveRecord
@@ -43,7 +42,7 @@ module EnforcesTwoFactorAuthentication
       if Gitlab::CurrentSettings.require_two_factor_authentication?
         global.call
       else
-        groups = current_user.expanded_groups_requiring_two_factor_authentication.reorder(name: :asc)
+        groups = current_user.source_groups_of_two_factor_authentication_requirement.reorder(name: :asc)
         group.call(groups)
       end
     end
@@ -51,14 +50,11 @@ module EnforcesTwoFactorAuthentication
   # rubocop: enable CodeReuse/ActiveRecord
 
   def two_factor_grace_period
-    periods = [Gitlab::CurrentSettings.two_factor_grace_period]
-    periods << current_user.two_factor_grace_period if current_user.try(:require_two_factor_authentication_from_group?)
-    periods.min
+    two_factor_verifier.two_factor_grace_period
   end
 
   def two_factor_grace_period_expired?
-    date = current_user.otp_grace_period_started_at
-    date && (date + two_factor_grace_period.hours) < Time.current
+    two_factor_verifier.two_factor_grace_period_expired?
   end
 
   def two_factor_skippable?
@@ -70,6 +66,10 @@ module EnforcesTwoFactorAuthentication
   def skip_two_factor?
     session[:skip_two_factor] && session[:skip_two_factor] > Time.current
   end
+
+  def two_factor_verifier
+    @two_factor_verifier ||= Gitlab::Auth::TwoFactorAuthVerifier.new(current_user) # rubocop:disable Gitlab/ModuleWithInstanceVariables
+  end
 end
 
 EnforcesTwoFactorAuthentication.prepend_if_ee('EE::EnforcesTwoFactorAuthentication')
diff --git a/app/controllers/concerns/hooks_execution.rb b/app/controllers/concerns/hooks_execution.rb
index e8add1f4055..ad1f8341109 100644
--- a/app/controllers/concerns/hooks_execution.rb
+++ b/app/controllers/concerns/hooks_execution.rb
@@ -17,4 +17,16 @@ module HooksExecution
       flash[:alert] = "Hook execution failed: #{message}"
     end
   end
+
+  def create_rate_limit(key, scope)
+    if rate_limiter.throttled?(key, scope: [scope, current_user])
+      rate_limiter.log_request(request, "#{key}_request_limit".to_sym, current_user)
+
+      render plain: _('This endpoint has been requested too many times. Try again later.'), status: :too_many_requests
+    end
+  end
+
+  def rate_limiter
+    ::Gitlab::ApplicationRateLimiter
+  end
 end
diff --git a/app/controllers/omniauth_callbacks_controller.rb b/app/controllers/omniauth_callbacks_controller.rb
index 6a393405e4d..a558b01f0c6 100644
--- a/app/controllers/omniauth_callbacks_controller.rb
+++ b/app/controllers/omniauth_callbacks_controller.rb
@@ -50,12 +50,6 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
     redirect_unverified_saml_initiation
   end
 
-  def omniauth_error
-    @provider = params[:provider]
-    @error = params[:error]
-    render 'errors/omniauth_error', layout: "oauth_error", status: :unprocessable_entity
-  end
-
   def cas3
     ticket = params['ticket']
     if ticket
@@ -205,9 +199,10 @@ class OmniauthCallbacksController < Devise::OmniauthCallbacksController
   def fail_login(user)
     log_failed_login(user.username, oauth['provider'])
 
-    error_message = user.errors.full_messages.to_sentence
+    @provider = Gitlab::Auth::OAuth::Provider.label_for(params[:action])
+    @error = user.errors.full_messages.to_sentence
 
-    redirect_to omniauth_error_path(oauth['provider'], error: error_message)
+    render 'errors/omniauth_error', layout: "oauth_error", status: :unprocessable_entity
   end
 
   def fail_auth0_login
diff --git a/app/controllers/profiles/active_sessions_controller.rb b/app/controllers/profiles/active_sessions_controller.rb
index f409193aefc..d9ec3195fd1 100644
--- a/app/controllers/profiles/active_sessions_controller.rb
+++ b/app/controllers/profiles/active_sessions_controller.rb
@@ -7,6 +7,7 @@ class Profiles::ActiveSessionsController < Profiles::ApplicationController
 
   def destroy
     ActiveSession.destroy_with_public_id(current_user, params[:id])
+    current_user.forget_me!
 
     respond_to do |format|
       format.html { redirect_to profile_active_sessions_url, status: :found }
diff --git a/app/controllers/profiles/two_factor_auths_controller.rb b/app/controllers/profiles/two_factor_auths_controller.rb
index 95b9344c551..50fbf8146e5 100644
--- a/app/controllers/profiles/two_factor_auths_controller.rb
+++ b/app/controllers/profiles/two_factor_auths_controller.rb
@@ -4,7 +4,7 @@ class Profiles::TwoFactorAuthsController < Profiles::ApplicationController
   skip_before_action :check_two_factor_requirement
 
   def show
-    unless current_user.otp_secret
+    unless current_user.two_factor_enabled?
       current_user.otp_secret = User.generate_otp_secret(32)
     end
 
@@ -38,6 +38,8 @@ class Profiles::TwoFactorAuthsController < Profiles::ApplicationController
 
   def create
     if current_user.validate_and_consume_otp!(params[:pin_code])
+      ActiveSession.destroy_all_but_current(current_user, session)
+
       Users::UpdateService.new(current_user, user: current_user, otp_required_for_login: true).execute! do |user|
         @codes = user.generate_otp_backup_codes!
       end
diff --git a/app/controllers/projects/hooks_controller.rb b/app/controllers/projects/hooks_controller.rb
index 097a357889f..2f4dc1ddc3a 100644
--- a/app/controllers/projects/hooks_controller.rb
+++ b/app/controllers/projects/hooks_controller.rb
@@ -6,6 +6,7 @@ class Projects::HooksController < Projects::ApplicationController
   # Authorize
   before_action :authorize_admin_project!
   before_action :hook_logs, only: :edit
+  before_action -> { create_rate_limit(:project_testing_hook, @project) }, only: :test
 
   respond_to :html
 
diff --git a/app/controllers/projects/tags_controller.rb b/app/controllers/projects/tags_controller.rb
index df20daa8f7e..475ca8894e4 100644
--- a/app/controllers/projects/tags_controller.rb
+++ b/app/controllers/projects/tags_controller.rb
@@ -92,7 +92,7 @@ class Projects::TagsController < Projects::ApplicationController
         end
 
         format.js do
-          render status: :unprocessable_entity
+          render status: :ok
         end
       end
     end
diff --git a/app/controllers/sessions_controller.rb b/app/controllers/sessions_controller.rb
index f82212591b6..9435b9887e9 100644
--- a/app/controllers/sessions_controller.rb
+++ b/app/controllers/sessions_controller.rb
@@ -8,6 +8,7 @@ class SessionsController < Devise::SessionsController
   include Recaptcha::Verify
   include RendersLdapServers
   include KnownSignIn
+  include Gitlab::Utils::StrongMemoize
 
   skip_before_action :check_two_factor_requirement, only: [:destroy]
   # replaced with :require_no_authentication_without_flash
@@ -197,10 +198,14 @@ class SessionsController < Devise::SessionsController
   end
 
   def find_user
-    if session[:otp_user_id]
-      User.find(session[:otp_user_id])
-    elsif user_params[:login]
-      User.by_login(user_params[:login])
+    strong_memoize(:find_user) do
+      if session[:otp_user_id] && user_params[:login]
+        User.by_id_and_login(session[:otp_user_id], user_params[:login]).first
+      elsif session[:otp_user_id]
+        User.find(session[:otp_user_id])
+      elsif user_params[:login]
+        User.by_login(user_params[:login])
+      end
     end
   end
 
diff --git a/app/finders/user_recent_events_finder.rb b/app/finders/user_recent_events_finder.rb
index 3f2e813d381..f376b26ab9c 100644
--- a/app/finders/user_recent_events_finder.rb
+++ b/app/finders/user_recent_events_finder.rb
@@ -6,6 +6,7 @@
 #                 WARNING: does not consider project feature visibility!
 # - user: The user for which to load the events
 # - params:
+#   - limit: Number of items that to be returned. Defaults to 20 and limited to 100.
 #   - offset: The page of events to return
 class UserRecentEventsFinder
   prepend FinderWithCrossProjectAccess
@@ -16,7 +17,8 @@ class UserRecentEventsFinder
 
   attr_reader :current_user, :target_user, :params
 
-  LIMIT = 20
+  DEFAULT_LIMIT = 20
+  MAX_LIMIT = 100
 
   def initialize(current_user, target_user, params = {})
     @current_user = current_user
@@ -31,7 +33,7 @@ class UserRecentEventsFinder
     recent_events(params[:offset] || 0)
       .joins(:project)
       .with_associations
-      .limit_recent(params[:limit].presence || LIMIT, params[:offset])
+      .limit_recent(limit, params[:offset])
   end
   # rubocop: enable CodeReuse/ActiveRecord
 
@@ -59,4 +61,10 @@ class UserRecentEventsFinder
   def projects
     target_user.project_interactions.to_sql
   end
+
+  def limit
+    return DEFAULT_LIMIT unless params[:limit].present?
+
+    [params[:limit].to_i, MAX_LIMIT].min
+  end
 end
diff --git a/app/graphql/mutations/snippets/base.rb b/app/graphql/mutations/snippets/base.rb
index c8cc721b2e0..023f876d035 100644
--- a/app/graphql/mutations/snippets/base.rb
+++ b/app/graphql/mutations/snippets/base.rb
@@ -11,7 +11,7 @@ module Mutations
       private
 
       def find_object(id:)
-        GitlabSchema.object_from_id(id)
+        GitlabSchema.object_from_id(id, expected_type: ::Snippet)
       end
 
       def authorized_resource?(snippet)
diff --git a/app/models/active_session.rb b/app/models/active_session.rb
index be07c221f32..4908290e06b 100644
--- a/app/models/active_session.rb
+++ b/app/models/active_session.rb
@@ -105,6 +105,19 @@ class ActiveSession
     end
   end
 
+  def self.destroy_all_but_current(user, current_session)
+    session_ids = not_impersonated(user)
+    session_ids.reject! { |session| session.current?(current_session) } if current_session
+
+    Gitlab::Redis::SharedState.with do |redis|
+      destroy_sessions(redis, user, session_ids.map(&:session_id)) if session_ids.any?
+    end
+  end
+
+  def self.not_impersonated(user)
+    list(user).reject(&:is_impersonated)
+  end
+
   def self.key_name(user_id, session_id = '*')
     "#{Gitlab::Redis::SharedState::USER_SESSIONS_NAMESPACE}:#{user_id}:#{session_id}"
   end
diff --git a/app/models/clusters/applications/runner.rb b/app/models/clusters/applications/runner.rb
index c041f605e6c..e99ed03852a 100644
--- a/app/models/clusters/applications/runner.rb
+++ b/app/models/clusters/applications/runner.rb
@@ -3,7 +3,7 @@
 module Clusters
   module Applications
     class Runner < ApplicationRecord
-      VERSION = '0.19.2'
+      VERSION = '0.19.3'
 
       self.table_name = 'clusters_applications_runners'
 
diff --git a/app/models/member.rb b/app/models/member.rb
index 2c62ea55785..bbc5d638637 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -76,6 +76,8 @@ class Member < ApplicationRecord
   scope :request, -> { where.not(requested_at: nil) }
   scope :non_request, -> { where(requested_at: nil) }
 
+  scope :not_accepted_invitations_by_user, -> (user) { invite.where(invite_accepted_at: nil, created_by: user) }
+
   scope :has_access, -> { active.where('access_level > 0') }
 
   scope :guests, -> { active.where(access_level: GUEST) }
diff --git a/app/models/user.rb b/app/models/user.rb
index 1a67116c1f2..f31a6823657 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -363,6 +363,7 @@ class User < ApplicationRecord
   scope :order_oldest_sign_in, -> { reorder(Gitlab::Database.nulls_last_order('current_sign_in_at', 'ASC')) }
   scope :order_recent_last_activity, -> { reorder(Gitlab::Database.nulls_last_order('last_activity_on', 'DESC')) }
   scope :order_oldest_last_activity, -> { reorder(Gitlab::Database.nulls_first_order('last_activity_on', 'ASC')) }
+  scope :by_id_and_login, ->(id, login) { where(id: id).where('username = LOWER(:login) OR email = LOWER(:login)', login: login) }
 
   def preferred_language
     read_attribute('preferred_language') ||
@@ -886,6 +887,12 @@ class User < ApplicationRecord
     all_expanded_groups.where(require_two_factor_authentication: true)
   end
 
+  def source_groups_of_two_factor_authentication_requirement
+    Gitlab::ObjectHierarchy.new(expanded_groups_requiring_two_factor_authentication)
+      .all_objects
+      .where(id: groups)
+  end
+
   # rubocop: disable CodeReuse/ServiceClass
   def refresh_authorized_projects
     Users::RefreshAuthorizedProjectsService.new(self).execute
diff --git a/app/services/auth/container_registry_authentication_service.rb b/app/services/auth/container_registry_authentication_service.rb
index 44a434f4402..831a25a637e 100644
--- a/app/services/auth/container_registry_authentication_service.rb
+++ b/app/services/auth/container_registry_authentication_service.rb
@@ -132,6 +132,7 @@ module Auth
 
     def can_access?(requested_project, requested_action)
       return false unless requested_project.container_registry_enabled?
+      return false if requested_project.repository_access_level == ::ProjectFeature::DISABLED
 
       case requested_action
       when 'pull'
diff --git a/app/services/members/destroy_service.rb b/app/services/members/destroy_service.rb
index fdd43260521..8cad065e6cc 100644
--- a/app/services/members/destroy_service.rb
+++ b/app/services/members/destroy_service.rb
@@ -18,6 +18,7 @@ module Members
       end
 
       delete_subresources(member) unless skip_subresources
+      delete_project_invitations_by(member) unless skip_subresources
       enqueue_delete_todos(member)
       enqueue_unassign_issuables(member) if unassign_issuables
 
@@ -39,24 +40,48 @@ module Members
 
       delete_project_members(member)
       delete_subgroup_members(member)
+      delete_invited_members(member)
     end
 
     def delete_project_members(member)
       groups = member.group.self_and_descendants
 
-      ProjectMember.in_namespaces(groups).with_user(member.user).each do |project_member|
-        self.class.new(current_user).execute(project_member, skip_authorization: @skip_auth)
-      end
+      destroy_project_members(ProjectMember.in_namespaces(groups).with_user(member.user))
     end
 
     def delete_subgroup_members(member)
       groups = member.group.descendants
 
-      GroupMember.of_groups(groups).with_user(member.user).each do |group_member|
+      destroy_group_members(GroupMember.of_groups(groups).with_user(member.user))
+    end
+
+    def delete_invited_members(member)
+      groups = member.group.self_and_descendants
+
+      destroy_group_members(GroupMember.of_groups(groups).not_accepted_invitations_by_user(member.user))
+
+      destroy_project_members(ProjectMember.in_namespaces(groups).not_accepted_invitations_by_user(member.user))
+    end
+
+    def destroy_project_members(members)
+      members.each do |project_member|
+        self.class.new(current_user).execute(project_member, skip_authorization: @skip_auth)
+      end
+    end
+
+    def destroy_group_members(members)
+      members.each do |group_member|
         self.class.new(current_user).execute(group_member, skip_authorization: @skip_auth, skip_subresources: true)
       end
     end
 
+    def delete_project_invitations_by(member)
+      return unless member.is_a?(ProjectMember) && member.user && member.project
+
+      members_to_delete = member.project.members.not_accepted_invitations_by_user(member.user)
+      destroy_project_members(members_to_delete)
+    end
+
     def can_destroy_member?(member)
       can?(current_user, destroy_member_permission(member), member)
     end
diff --git a/app/views/profiles/active_sessions/_active_session.html.haml b/app/views/profiles/active_sessions/_active_session.html.haml
index 9ae75fe6b8e..c4b3fa80d75 100644
--- a/app/views/profiles/active_sessions/_active_session.html.haml
+++ b/app/views/profiles/active_sessions/_active_session.html.haml
@@ -27,6 +27,6 @@
 
   - unless is_current_session
     .float-right
-      = link_to profile_active_session_path(active_session.public_id), data: { confirm: _('Are you sure? The device will be signed out of GitLab.') }, method: :delete, class: "btn btn-danger gl-ml-3" do
+      = link_to profile_active_session_path(active_session.public_id), data: { confirm: _('Are you sure? The device will be signed out of GitLab and all remember me tokens revoked.') }, method: :delete, class: "btn btn-danger gl-ml-3" do
         %span.sr-only= _('Revoke')
         = _('Revoke')
-- 
cgit v1.2.3