Merge commit '36631e40cc' into kb_migration

.github/workflows/build-nightly.yml

@@ -37,6 +37,7 @@ jobs:
             latest=auto
           tags: |
             type=raw,value=nightly
+            type=schedule,pattern=nightly-{{date 'YYYY-MM-DD' tz='Etc/UTC'}}
           labels: |
             org.opencontainers.image.description=Nightly build image used for testing purposes
 

app/controllers/api/base_controller.rb

@@ -6,13 +6,15 @@ class Api::BaseController < ApplicationController
 
   include RateLimitHeaders
   include AccessTokenTrackingConcern
+  include ApiCachingConcern
 
-  skip_before_action :store_current_location
   skip_before_action :require_functional!, unless: :whitelist_mode?
 
   before_action :require_authenticated_user!, if: :disallow_unauthenticated_api_access?
   before_action :require_not_suspended!
 
+  vary_by 'Authorization'
+
   protect_from_forgery with: :null_session
 
   content_security_policy do |p|

app/controllers/api/v1/accounts/follower_accounts_controller.rb

@@ -6,6 +6,7 @@ class Api::V1::Accounts::FollowerAccountsController < Api::BaseController
   after_action :insert_pagination_headers
 
   def index
+    cache_if_unauthenticated!
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer
   end

app/controllers/api/v1/accounts/following_accounts_controller.rb

@@ -6,6 +6,7 @@ class Api::V1::Accounts::FollowingAccountsController < Api::BaseController
   after_action :insert_pagination_headers
 
   def index
+    cache_if_unauthenticated!
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer
   end

app/controllers/api/v1/accounts/lookup_controller.rb

@@ -5,6 +5,7 @@ class Api::V1::Accounts::LookupController < Api::BaseController
   before_action :set_account
 
   def show
+    cache_if_unauthenticated!
     render json: @account, serializer: REST::AccountSerializer
   end
 

app/controllers/api/v1/accounts/statuses_controller.rb

@@ -7,6 +7,7 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
   after_action :insert_pagination_headers, unless: -> { truthy_param?(:pinned) }
 
   def index
+    cache_if_unauthenticated!
     @statuses = load_statuses
     render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)
   end

app/controllers/api/v1/accounts_controller.rb

@@ -18,6 +18,7 @@ class Api::V1::AccountsController < Api::BaseController
   override_rate_limit_headers :follow, family: :follows
 
   def show
+    cache_if_unauthenticated!
     render json: @account, serializer: REST::AccountSerializer
   end
 

app/controllers/api/v1/custom_emojis_controller.rb

@@ -1,8 +1,10 @@
 # frozen_string_literal: true
 
 class Api::V1::CustomEmojisController < Api::BaseController
+  vary_by ''
+
   def index
-    expires_in 3.minutes, public: true
+    cache_even_if_authenticated!
     render_with_cache(each_serializer: REST::CustomEmojiSerializer) { CustomEmoji.listed.includes(:category) }
   end
 end

app/controllers/api/v1/directories_controller.rb

@@ -5,6 +5,7 @@ class Api::V1::DirectoriesController < Api::BaseController
   before_action :set_accounts
 
   def show
+    cache_if_unauthenticated!
     render json: @accounts, each_serializer: REST::AccountSerializer
   end
 

app/controllers/api/v1/instances/activity_controller.rb

@@ -5,8 +5,10 @@ class Api::V1::Instances::ActivityController < Api::BaseController
 
   skip_before_action :require_authenticated_user!, unless: :whitelist_mode?
 
+  vary_by ''
+
   def show
-    expires_in 1.day, public: true
+    cache_even_if_authenticated!
     render_with_cache json: :activity, expires_in: 1.day
   end
 

app/controllers/api/v1/instances/domain_blocks_controller.rb

@@ -6,8 +6,10 @@ class Api::V1::Instances::DomainBlocksController < Api::BaseController
   before_action :require_enabled_api!
   before_action :set_domain_blocks
 
+  vary_by ''
+
   def index
-    expires_in 3.minutes, public: true
+    cache_even_if_authenticated!
     render json: @domain_blocks, each_serializer: REST::DomainBlockSerializer, with_comment: (Setting.show_domain_blocks_rationale == 'all' || (Setting.show_domain_blocks_rationale == 'users' && user_signed_in?))
   end
 

app/controllers/api/v1/instances/extended_descriptions_controller.rb

@@ -2,11 +2,19 @@
 
 class Api::V1::Instances::ExtendedDescriptionsController < Api::BaseController
   skip_before_action :require_authenticated_user!, unless: :whitelist_mode?
+  skip_around_action :set_locale
 
   before_action :set_extended_description
 
+  vary_by ''
+
+  # Override `current_user` to avoid reading session cookies unless in whitelist mode
+  def current_user
+    super if whitelist_mode?
+  end
+
   def show
-    expires_in 3.minutes, public: true
+    cache_even_if_authenticated!
     render json: @extended_description, serializer: REST::ExtendedDescriptionSerializer
   end
 

app/controllers/api/v1/instances/peers_controller.rb

@@ -4,9 +4,17 @@ class Api::V1::Instances::PeersController < Api::BaseController
   before_action :require_enabled_api!
 
   skip_before_action :require_authenticated_user!, unless: :whitelist_mode?
+  skip_around_action :set_locale
+
+  vary_by ''
+
+  # Override `current_user` to avoid reading session cookies unless in whitelist mode
+  def current_user
+    super if whitelist_mode?
+  end
 
   def index
-    expires_in 1.day, public: true
+    cache_even_if_authenticated!
     render_with_cache(expires_in: 1.day) { Instance.where.not(domain: DomainBlock.select(:domain)).pluck(:domain) }
   end
 

app/controllers/api/v1/instances/privacy_policies_controller.rb

@@ -5,8 +5,10 @@ class Api::V1::Instances::PrivacyPoliciesController < Api::BaseController
 
   before_action :set_privacy_policy
 
+  vary_by ''
+
   def show
-    expires_in 1.day, public: true
+    cache_even_if_authenticated!
     render json: @privacy_policy, serializer: REST::PrivacyPolicySerializer
   end
 

app/controllers/api/v1/instances/rules_controller.rb

@@ -2,10 +2,19 @@
 
 class Api::V1::Instances::RulesController < Api::BaseController
   skip_before_action :require_authenticated_user!, unless: :whitelist_mode?
+  skip_around_action :set_locale
 
   before_action :set_rules
 
+  vary_by ''
+
+  # Override `current_user` to avoid reading session cookies unless in whitelist mode
+  def current_user
+    super if whitelist_mode?
+  end
+
   def index
+    cache_even_if_authenticated!
     render json: @rules, each_serializer: REST::RuleSerializer
   end
 

app/controllers/api/v1/instances/translation_languages_controller.rb

@@ -5,8 +5,10 @@ class Api::V1::Instances::TranslationLanguagesController < Api::BaseController
 
   before_action :set_languages
 
+  vary_by ''
+
   def show
-    expires_in 1.day, public: true
+    cache_even_if_authenticated!
     render json: @languages
   end
 

app/controllers/api/v1/instances_controller.rb

@@ -2,9 +2,17 @@
 
 class Api::V1::InstancesController < Api::BaseController
   skip_before_action :require_authenticated_user!, unless: :whitelist_mode?
+  skip_around_action :set_locale
+
+  vary_by ''
+
+  # Override `current_user` to avoid reading session cookies unless in whitelist mode
+  def current_user
+    super if whitelist_mode?
+  end
 
   def show
-    expires_in 3.minutes, public: true
+    cache_even_if_authenticated!
     render_with_cache json: InstancePresenter.new, serializer: REST::V1::InstanceSerializer, root: 'instance'
   end
 end

app/controllers/api/v1/polls_controller.rb

@@ -8,6 +8,7 @@ class Api::V1::PollsController < Api::BaseController
   before_action :refresh_poll
 
   def show
+    cache_if_unauthenticated!
     render json: @poll, serializer: REST::PollSerializer, include_results: true
   end
 

app/controllers/api/v1/statuses/favourited_by_accounts_controller.rb

@@ -8,6 +8,7 @@ class Api::V1::Statuses::FavouritedByAccountsController < Api::BaseController
   after_action :insert_pagination_headers
 
   def index
+    cache_if_unauthenticated!
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer
   end

app/controllers/api/v1/statuses/histories_controller.rb

@@ -7,6 +7,7 @@ class Api::V1::Statuses::HistoriesController < Api::BaseController
   before_action :set_status
 
   def show
+    cache_if_unauthenticated!
     render json: @status.edits.includes(:account, status: [:account]), each_serializer: REST::StatusEditSerializer
   end
 

app/controllers/api/v1/statuses/reblogged_by_accounts_controller.rb

@@ -8,6 +8,7 @@ class Api::V1::Statuses::RebloggedByAccountsController < Api::BaseController
   after_action :insert_pagination_headers
 
   def index
+    cache_if_unauthenticated!
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer
   end

app/controllers/api/v1/statuses_controller.rb

@@ -24,11 +24,14 @@ class Api::V1::StatusesController < Api::BaseController
   DESCENDANTS_DEPTH_LIMIT = 20
 
   def show
+    cache_if_unauthenticated!
     @status = cache_collection([@status], Status).first
     render json: @status, serializer: REST::StatusSerializer
   end
 
   def context
+    cache_if_unauthenticated!
+
     ancestors_limit         = CONTEXT_LIMIT
     descendants_limit       = CONTEXT_LIMIT
     descendants_depth_limit = nil

app/controllers/api/v1/tags_controller.rb

@@ -8,6 +8,7 @@ class Api::V1::TagsController < Api::BaseController
   override_rate_limit_headers :follow, family: :follows
 
   def show
+    cache_if_unauthenticated!
     render json: @tag, serializer: REST::TagSerializer
   end
 

app/controllers/api/v1/timelines/public_controller.rb

@@ -5,6 +5,7 @@ class Api::V1::Timelines::PublicController < Api::BaseController
   after_action :insert_pagination_headers, unless: -> { @statuses.empty? }
 
   def show
+    cache_if_unauthenticated!
     @statuses = load_statuses
     render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)
   end

app/controllers/api/v1/timelines/tag_controller.rb

@@ -5,6 +5,7 @@ class Api::V1::Timelines::TagController < Api::BaseController
   after_action :insert_pagination_headers, unless: -> { @statuses.empty? }
 
   def show
+    cache_if_unauthenticated!
     @statuses = load_statuses
     render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)
   end

app/controllers/api/v1/trends/links_controller.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class Api::V1::Trends::LinksController < Api::BaseController
+  vary_by 'Authorization, Accept-Language'
+
   before_action :set_links
 
   after_action :insert_pagination_headers
@@ -8,6 +10,7 @@ class Api::V1::Trends::LinksController < Api::BaseController
   DEFAULT_LINKS_LIMIT = 10
 
   def index
+    cache_if_unauthenticated!
     render json: @links, each_serializer: REST::Trends::LinkSerializer
   end
 

app/controllers/api/v1/trends/statuses_controller.rb

@@ -1,11 +1,14 @@
 # frozen_string_literal: true
 
 class Api::V1::Trends::StatusesController < Api::BaseController
+  vary_by 'Authorization, Accept-Language'
+
   before_action :set_statuses
 
   after_action :insert_pagination_headers
 
   def index
+    cache_if_unauthenticated!
     render json: @statuses, each_serializer: REST::StatusSerializer
   end
 

app/controllers/api/v1/trends/tags_controller.rb

@@ -8,6 +8,7 @@ class Api::V1::Trends::TagsController < Api::BaseController
   DEFAULT_TAGS_LIMIT = 10
 
   def index
+    cache_if_unauthenticated!
     render json: @tags, each_serializer: REST::TagSerializer, relationships: TagRelationshipsPresenter.new(@tags, current_user&.account_id)
   end
 

app/controllers/api/v2/instances_controller.rb

@@ -2,7 +2,7 @@
 
 class Api::V2::InstancesController < Api::V1::InstancesController
   def show
-    expires_in 3.minutes, public: true
+    cache_even_if_authenticated!
     render_with_cache json: InstancePresenter.new, serializer: REST::InstanceSerializer, root: 'instance'
   end
 end

app/controllers/application_controller.rb

@@ -20,6 +20,7 @@ class ApplicationController < ActionController::Base
   helper_method :sso_account_settings
   helper_method :whitelist_mode?
   helper_method :body_class_string
+  helper_method :skip_csrf_meta_tags?
 
   rescue_from ActionController::ParameterMissing, Paperclip::AdapterRegistry::NoHandlerError, with: :bad_request
   rescue_from Mastodon::NotPermittedError, with: :forbidden
@@ -36,7 +37,7 @@ class ApplicationController < ActionController::Base
     service_unavailable
   end
 
-  before_action :store_current_location, except: :raise_not_found, unless: :devise_controller?
+  before_action :store_referrer, except: :raise_not_found, if: :devise_controller?
   before_action :require_functional!, if: :user_signed_in?
 
   before_action :set_cache_control_defaults
@@ -57,14 +58,25 @@ class ApplicationController < ActionController::Base
     !authorized_fetch_mode?
   end
 
-  def store_current_location
-    store_location_for(:user, request.url) unless [:json, :rss].include?(request.format&.to_sym)
+  def store_referrer
+    return if request.referer.blank?
+
+    redirect_uri = URI(request.referer)
+    return if redirect_uri.path.start_with?('/auth')
+
+    stored_url = redirect_uri.to_s if redirect_uri.host == request.host && redirect_uri.port == request.port
+
+    store_location_for(:user, stored_url)
   end
 
   def require_functional!
     redirect_to edit_user_registration_path unless current_user.functional?
   end
 
+  def skip_csrf_meta_tags?
+    false
+  end
+
   def after_sign_out_path_for(_resource_or_scope)
     if ENV['OMNIAUTH_ONLY'] == 'true' && ENV['OIDC_ENABLED'] == 'true'
       '/auth/auth/openid_connect/logout'

app/controllers/concerns/api_caching_concern.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module ApiCachingConcern
+  extend ActiveSupport::Concern
+
+  def cache_if_unauthenticated!
+    expires_in(15.seconds, public: true, stale_while_revalidate: 30.seconds, stale_if_error: 1.day) unless user_signed_in?
+  end
+
+  def cache_even_if_authenticated!
+    expires_in(5.minutes, public: true, stale_while_revalidate: 30.seconds, stale_if_error: 1.day) unless whitelist_mode?
+  end
+end

app/controllers/concerns/web_app_controller_concern.rb

@@ -10,6 +10,10 @@ module WebAppControllerConcern
     vary_by 'Accept, Accept-Language, Cookie'
   end
 
+  def skip_csrf_meta_tags?
+    current_user.nil?
+  end
+
   def set_app_body_class
     @body_classes = 'app-body'
   end

app/controllers/manifests_controller.rb

@@ -1,6 +1,10 @@
 # frozen_string_literal: true
 
 class ManifestsController < ActionController::Base # rubocop:disable Rails/ApplicationController
+  # Prevent `active_model_serializer`'s `ActionController::Serialization` from calling `current_user`
+  # and thus re-issuing session cookies
+  serialization_scope nil
+
   def show
     expires_in 3.minutes, public: true
     render json: InstancePresenter.new, serializer: ManifestSerializer, root: 'instance'

app/controllers/media_controller.rb

@@ -3,7 +3,6 @@
 class MediaController < ApplicationController
   include Authorization
 
-  skip_before_action :store_current_location
   skip_before_action :require_functional!, unless: :whitelist_mode?
 
   before_action :authenticate_user!, if: :whitelist_mode?

app/controllers/media_proxy_controller.rb

@@ -6,7 +6,6 @@ class MediaProxyController < ApplicationController
   include Redisable
   include Lockable
 
-  skip_before_action :store_current_location
   skip_before_action :require_functional!
 
   before_action :authenticate_user!, if: :whitelist_mode?

app/controllers/well_known/nodeinfo_controller.rb

@@ -4,6 +4,10 @@ module WellKnown
   class NodeInfoController < ActionController::Base # rubocop:disable Rails/ApplicationController
     include CacheConcern
 
+    # Prevent `active_model_serializer`'s `ActionController::Serialization` from calling `current_user`
+    # and thus re-issuing session cookies
+    serialization_scope nil
+
     def index
       expires_in 3.days, public: true
       render_with_cache json: {}, serializer: NodeInfo::DiscoverySerializer, adapter: NodeInfo::Adapter, expires_in: 3.days, root: 'nodeinfo'

app/javascript/styles/mastodon/components.scss

@@ -1180,7 +1180,7 @@ body > [data-popper-placement] {
     width: 0;
     position: absolute;
     top: 0;
-    inset-inline-start: 16px + ((46px - 2px) / 2);
+    inset-inline-start: 16px + ((46px - 2px) * 0.5);
 
     &--full {
       top: 0;

app/views/layouts/application.html.haml

@@ -30,7 +30,7 @@
     = stylesheet_pack_tag current_theme, media: 'all', crossorigin: 'anonymous'
     = javascript_pack_tag 'common', crossorigin: 'anonymous'
     = javascript_pack_tag "locale_#{I18n.locale}", crossorigin: 'anonymous'
-    = csrf_meta_tags
+    = csrf_meta_tags unless skip_csrf_meta_tags?
     %meta{ name: 'style-nonce', content: request.content_security_policy_nonce }
 
     = stylesheet_link_tag '/inert.css', skip_pipeline: true, media: 'all', id: 'inert-style'

spec/controllers/application_controller_spec.rb

@@ -132,25 +132,6 @@ describe ApplicationController, type: :controller do
     include_examples 'respond_with_error', 422
   end
 
-  describe 'before_action :store_current_location' do
-    it 'stores location for user if it is not devise controller' do
-      routes.draw { get 'success' => 'anonymous#success' }
-      get 'success'
-      expect(controller.stored_location_for(:user)).to eq '/success'
-    end
-
-    context do
-      controller Devise::SessionsController do
-      end
-
-      it 'does not store location for user if it is devise controller' do
-        @request.env['devise.mapping'] = Devise.mappings[:user]
-        get 'create'
-        expect(controller.stored_location_for(:user)).to be_nil
-      end
-    end
-  end
-
   describe 'before_action :check_suspension' do
     before do
       routes.draw { get 'success' => 'anonymous#success' }

spec/requests/anonymous_cookies_spec.rb

@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+context 'when visited anonymously' do
+  around do |example|
+    old = ActionController::Base.allow_forgery_protection
+    ActionController::Base.allow_forgery_protection = true
+
+    example.run
+
+    ActionController::Base.allow_forgery_protection = old
+  end
+
+  describe 'account pages' do
+    it 'do not set cookies' do
+      alice = Fabricate(:account, username: 'alice', display_name: 'Alice')
+      _status = Fabricate(:status, account: alice, text: 'Hello World')
+
+      get '/@alice'
+
+      expect(response.cookies).to be_empty
+    end
+  end
+
+  describe 'status pages' do
+    it 'do not set cookies' do
+      alice = Fabricate(:account, username: 'alice', display_name: 'Alice')
+      status = Fabricate(:status, account: alice, text: 'Hello World')
+
+      get short_account_status_url(alice, status)
+
+      expect(response.cookies).to be_empty
+    end
+  end
+
+  describe 'the /about page' do
+    it 'does not set cookies' do
+      get '/about'
+
+      expect(response.cookies).to be_empty
+    end
+  end
+end