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YuruToot/app/controllers/activitypub/outboxes_controller.rb
Claire 49219508bc
Fix anonymous access to outbox not being cached by the reverse proxy (#16458)
* Fix anonymous access to outbox not being cached by the reverse proxy

Up until now, anonymous access to outbox was marked as public, but with a
0 duration for caching, which means remote proxies would only serve from cache
when the server was completely overwhelmed.

Changed that cache duration to one minute, so that repeated anonymous access
to one account's outbox can be appropriately cached.

Also added `Signature` to the `Vary` header in case a page is requested, so
that authenticated fetches are never served from cache (which only contains
public toots).

* Remove Vary: Accept header from webfinger controller

Indeed, we have stopped returning xrd, and only ever return jrd, so the
Accept request header does not matter anymore.

* Cache negative webfinger hits for 3 minutes
2021-07-03 21:13:47 +02:00

88 lines
2.2 KiB
Ruby

# frozen_string_literal: true
class ActivityPub::OutboxesController < ActivityPub::BaseController
LIMIT = 20
include SignatureVerification
include AccountOwnedConcern
before_action :require_signature!, if: :authorized_fetch_mode?
before_action :set_statuses
before_action :set_cache_headers
def show
if page_requested?
expires_in(1.minute, public: public_fetch_mode? && signed_request_account.nil?)
else
expires_in(3.minutes, public: public_fetch_mode?)
end
render json: outbox_presenter, serializer: ActivityPub::OutboxSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
end
private
def outbox_presenter
if page_requested?
ActivityPub::CollectionPresenter.new(
id: outbox_url(**page_params),
type: :ordered,
part_of: outbox_url,
prev: prev_page,
next: next_page,
items: @statuses
)
else
ActivityPub::CollectionPresenter.new(
id: outbox_url,
type: :ordered,
size: @account.statuses_count,
first: outbox_url(page: true),
last: outbox_url(page: true, min_id: 0)
)
end
end
def outbox_url(**kwargs)
if params[:account_username].present?
account_outbox_url(@account, **kwargs)
else
instance_actor_outbox_url(**kwargs)
end
end
def next_page
outbox_url(page: true, max_id: @statuses.last.id) if @statuses.size == LIMIT
end
def prev_page
outbox_url(page: true, min_id: @statuses.first.id) unless @statuses.empty?
end
def set_statuses
return unless page_requested?
@statuses = cache_collection_paginated_by_id(
@account.statuses.permitted_for(@account, signed_request_account),
Status,
LIMIT,
params_slice(:max_id, :min_id, :since_id)
)
end
def page_requested?
truthy_param?(:page)
end
def page_params
{ page: true, max_id: params[:max_id], min_id: params[:min_id] }.compact
end
def set_account
@account = params[:account_username].present? ? Account.find_local!(username_param) : Account.representative
end
def set_cache_headers
response.headers['Vary'] = 'Signature' if authorized_fetch_mode? || page_requested?
end
end