Cache JSON of immutable ActivityPub representations (#6171)

signup-info-prompt
Eugen Rochko 2018-01-04 01:21:38 +01:00 committed by GitHub
parent d907d4352e
commit c10f4bdb03
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5 changed files with 48 additions and 32 deletions

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@ -2,7 +2,8 @@
class AccountsController < ApplicationController
include AccountControllerConcern
include SignatureVerification
before_action :set_cache_headers
def show
respond_to do |format|
@ -26,10 +27,11 @@ class AccountsController < ApplicationController
end
format.json do
render json: @account,
serializer: ActivityPub::ActorSerializer,
adapter: ActivityPub::Adapter,
content_type: 'application/activity+json'
skip_session!
render_cached_json(['activitypub', 'actor', @account.cache_key], content_type: 'application/activity+json') do
ActiveModelSerializers::SerializableResource.new(@account, serializer: ActivityPub::ActorSerializer, adapter: ActivityPub::Adapter)
end
end
end
end

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@ -4,15 +4,19 @@ class ActivityPub::FollowsController < Api::BaseController
include SignatureVerification
def show
render(
json: FollowRequest.includes(:account).references(:account).find_by!(
id: params.require(:id),
accounts: { domain: nil, username: params.require(:account_username) },
target_account: signed_request_account
),
render json: follow_request,
serializer: ActivityPub::FollowSerializer,
adapter: ActivityPub::Adapter,
content_type: 'application/activity+json'
end
private
def follow_request
FollowRequest.includes(:account).references(:account).find_by!(
id: params.require(:id),
accounts: { domain: nil, username: params.require(:account_username) },
target_account: signed_request_account
)
end
end

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@ -123,11 +123,23 @@ class ApplicationController < ActionController::Base
end
def render_cached_json(cache_key, **options)
options[:expires_in] ||= 3.minutes
cache_key = cache_key.join(':') if cache_key.is_a?(Enumerable)
content_type = options.delete(:content_type) || 'application/json'
data = Rails.cache.fetch(cache_key, { raw: true }.merge(options)) do
yield.to_json
end
expires_in options[:expires_in], public: true
render json: data
render json: data, content_type: content_type
end
def set_cache_headers
response.headers['Vary'] = 'Accept'
end
def skip_session!
request.session_options[:skip] = true
end
end

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@ -2,14 +2,16 @@
class EmojisController < ApplicationController
before_action :set_emoji
before_action :set_cache_headers
def show
respond_to do |format|
format.json do
render json: @emoji,
serializer: ActivityPub::EmojiSerializer,
adapter: ActivityPub::Adapter,
content_type: 'application/activity+json'
skip_session!
render_cached_json(['activitypub', 'emoji', @emoji.cache_key], content_type: 'application/activity+json') do
ActiveModelSerializers::SerializableResource.new(@emoji, serializer: ActivityPub::EmojiSerializer, adapter: ActivityPub::Adapter)
end
end
end
end

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@ -10,7 +10,7 @@ class StatusesController < ApplicationController
before_action :set_link_headers
before_action :check_account_suspension
before_action :redirect_to_original, only: [:show]
before_action { response.headers['Vary'] = 'Accept' }
before_action :set_cache_headers
def show
respond_to do |format|
@ -22,25 +22,21 @@ class StatusesController < ApplicationController
end
format.json do
render json: @status,
serializer: ActivityPub::NoteSerializer,
adapter: ActivityPub::Adapter,
content_type: 'application/activity+json'
skip_session! unless @stream_entry.hidden?
# Allow HTTP caching for 3 minutes if the status is public
unless @stream_entry.hidden?
request.session_options[:skip] = true
expires_in(3.minutes, public: true)
render_cached_json(['activitypub', 'note', @status.cache_key], content_type: 'application/activity+json') do
ActiveModelSerializers::SerializableResource.new(@status, serializer: ActivityPub::NoteSerializer, adapter: ActivityPub::Adapter)
end
end
end
end
def activity
render json: @status,
serializer: ActivityPub::ActivitySerializer,
adapter: ActivityPub::Adapter,
content_type: 'application/activity+json'
skip_session!
render_cached_json(['activitypub', 'activity', @status.cache_key], content_type: 'application/activity+json') do
ActiveModelSerializers::SerializableResource.new(@status, serializer: ActivityPub::ActivitySerializer, adapter: ActivityPub::Adapter)
end
end
def embed