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Fix caching logic with regards to Accept-Language, Cookie, and Signature (#24604)

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This commit is contained in:
Claire
2023-04-23 22:27:24 +02:00
committed by GitHub
parent 5dc3173ef8
commit 58a1b2e330
12 changed files with 62 additions and 45 deletions
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2
app/controllers/accounts_controller.rb
View File

@@ -7,7 +7,7 @@ class AccountsController < ApplicationController
include AccountControllerConcern
include SignatureAuthentication
vary_by -> { public_fetch_mode? ? 'Accept' : 'Accept, Signature' }
vary_by -> { public_fetch_mode? ? 'Accept, Accept-Language, Cookie' : 'Accept, Accept-Language, Cookie, Signature' }
before_action :require_account_signature!, if: -> { request.format == :json && authorized_fetch_mode? }

5
app/controllers/api/base_controller.rb
View File

@@ -12,7 +12,6 @@ class Api::BaseController < ApplicationController
before_action :require_authenticated_user!, if: :disallow_unauthenticated_api_access?
before_action :require_not_suspended!
before_action :set_cache_control_defaults
protect_from_forgery with: :null_session
@@ -148,10 +147,6 @@ class Api::BaseController < ApplicationController
doorkeeper_authorize!(*scopes) if doorkeeper_token
end
def set_cache_control_defaults
response.cache_control.replace(private: true, no_store: true)
end
def disallow_unauthenticated_api_access?
ENV['DISALLOW_UNAUTHENTICATED_API_ACCESS'] == 'true' || Rails.configuration.x.whitelist_mode
end

6
app/controllers/application_controller.rb
View File

@@ -38,6 +38,8 @@ class ApplicationController < ActionController::Base
before_action :store_current_location, except: :raise_not_found, unless: :devise_controller?
before_action :require_functional!, if: :user_signed_in?
before_action :set_cache_control_defaults
skip_before_action :verify_authenticity_token, only: :raise_not_found
def raise_not_found
@@ -152,4 +154,8 @@ class ApplicationController < ActionController::Base
format.json { render json: { error: Rack::Utils::HTTP_STATUS_CODES[code] }, status: code }
end
end
def set_cache_control_defaults
response.cache_control.replace(private: true, no_store: true)
end
end

14
app/controllers/concerns/cache_concern.rb
View File

@@ -163,6 +163,20 @@ module CacheConcern
end
end
included do
after_action :enforce_cache_control!
end
# Prevents high-entropy headers such as `Cookie`, `Signature` or `Authorization`
# from being used as cache keys, while allowing to `Vary` on them (to not serve
# anonymous cached data to authenticated requests when authentication matters)
def enforce_cache_control!
vary = response.headers['Vary']&.split&.map { |x| x.strip.downcase }
return unless vary.present? && %w(cookie authorization signature).any? { |header| vary.include?(header) && request.headers[header].present? }
response.cache_control.replace(private: true, no_store: true)
end
def render_with_cache(**options)
raise ArgumentError, 'Only JSON render calls are supported' unless options.key?(:json) || block_given?

2
app/controllers/concerns/web_app_controller_concern.rb
View File

@@ -6,6 +6,8 @@ module WebAppControllerConcern
included do
prepend_before_action :redirect_unauthenticated_to_permalinks!
before_action :set_app_body_class
vary_by 'Accept, Accept-Language, Cookie'
end
def set_app_body_class

2
app/controllers/follower_accounts_controller.rb
View File

@@ -5,7 +5,7 @@ class FollowerAccountsController < ApplicationController
include SignatureVerification
include WebAppControllerConcern
vary_by -> { public_fetch_mode? ? 'Accept' : 'Accept, Signature' }
vary_by -> { public_fetch_mode? ? 'Accept, Accept-Language, Cookie' : 'Accept, Accept-Language, Cookie, Signature' }
before_action :require_account_signature!, if: -> { request.format == :json && authorized_fetch_mode? }

2
app/controllers/following_accounts_controller.rb
View File

@@ -5,7 +5,7 @@ class FollowingAccountsController < ApplicationController
include SignatureVerification
include WebAppControllerConcern
vary_by -> { public_fetch_mode? ? 'Accept' : 'Accept, Signature' }
vary_by -> { public_fetch_mode? ? 'Accept, Accept-Language, Cookie' : 'Accept, Accept-Language, Cookie, Signature' }
before_action :require_account_signature!, if: -> { request.format == :json && authorized_fetch_mode? }

4
app/controllers/statuses_controller.rb
View File

@@ -6,7 +6,7 @@ class StatusesController < ApplicationController
include Authorization
include AccountOwnedConcern
vary_by -> { public_fetch_mode? ? 'Accept' : 'Accept, Signature' }
vary_by -> { public_fetch_mode? ? 'Accept, Accept-Language, Cookie' : 'Accept, Accept-Language, Cookie, Signature' }
before_action :require_account_signature!, only: [:show, :activity], if: -> { request.format == :json && authorized_fetch_mode? }
before_action :set_status
@@ -30,7 +30,7 @@ class StatusesController < ApplicationController
end
format.json do
expires_in 3.minutes, public: @status.distributable? && public_fetch_mode?
expires_in 3.minutes, public: true if @status.distributable? && public_fetch_mode?
render_with_cache json: @status, content_type: 'application/activity+json', serializer: ActivityPub::NoteSerializer, adapter: ActivityPub::Adapter
end
end

2
app/controllers/tags_controller.rb
View File

@@ -7,7 +7,7 @@ class TagsController < ApplicationController
PAGE_SIZE = 20
PAGE_SIZE_MAX = 200
vary_by -> { public_fetch_mode? ? 'Accept' : 'Accept, Signature' }
vary_by -> { public_fetch_mode? ? 'Accept, Accept-Language, Cookie' : 'Accept, Accept-Language, Cookie, Signature' }
before_action :require_account_signature!, if: -> { request.format == :json && authorized_fetch_mode? }
before_action :authenticate_user!, if: :whitelist_mode?

4
spec/controllers/accounts_controller_spec.rb
View File

@@ -218,8 +218,8 @@ RSpec.describe AccountsController, type: :controller do
expect(response.media_type).to eq 'application/activity+json'
end
it 'returns public Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'public'
it 'returns private Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'private'
end
it 'renders account' do

60
spec/controllers/statuses_controller_spec.rb
View File

@@ -16,7 +16,7 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to include 'Accept'
expect(response.headers['Vary']).to include 'Accept, Accept-Language, Cookie'
end
it 'returns public Cache-Control header' do
@@ -84,7 +84,7 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns public Cache-Control header' do
@@ -109,7 +109,7 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it_behaves_like 'cacheable response'
@@ -208,11 +208,11 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns no Cache-Control header' do
expect(response.headers).to_not include 'Cache-Control'
it 'returns private Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'private'
end
it 'renders status' do
@@ -233,11 +233,11 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns public Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'public'
it 'returns private Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'private'
end
it 'returns Content-Type header' do
@@ -272,11 +272,11 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns no Cache-Control header' do
expect(response.headers).to_not include 'Cache-Control'
it 'returns private Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'private'
end
it 'renders status' do
@@ -297,7 +297,7 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns private Cache-Control header' do
@@ -359,11 +359,11 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns no Cache-Control header' do
expect(response.headers).to_not include 'Cache-Control'
it 'returns private Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'private'
end
it 'renders status' do
@@ -384,7 +384,7 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns private Cache-Control header' do
@@ -472,11 +472,11 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns no Cache-Control header' do
expect(response.headers).to_not include 'Cache-Control'
it 'returns private Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'private'
end
it 'renders status' do
@@ -497,7 +497,7 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it_behaves_like 'cacheable response'
@@ -534,11 +534,11 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns no Cache-Control header' do
expect(response.headers).to_not include 'Cache-Control'
it 'returns private Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'private'
end
it 'renders status' do
@@ -559,7 +559,7 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns private Cache-Control header' do
@@ -621,11 +621,11 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns no Cache-Control header' do
expect(response.headers).to_not include 'Cache-Control'
it 'returns private Cache-Control header' do
expect(response.headers['Cache-Control']).to include 'private'
end
it 'renders status' do
@@ -646,7 +646,7 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns private Cache-Control header' do
@@ -827,7 +827,7 @@ describe StatusesController do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns public Cache-Control header' do

4
spec/controllers/tags_controller_spec.rb
View File

@@ -21,7 +21,7 @@ RSpec.describe TagsController, type: :controller do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns public Cache-Control header' do
@@ -37,7 +37,7 @@ RSpec.describe TagsController, type: :controller do
end
it 'returns Vary header' do
expect(response.headers['Vary']).to eq 'Accept'
expect(response.headers['Vary']).to eq 'Accept, Accept-Language, Cookie'
end
it 'returns public Cache-Control header' do