catstodon/app/controllers/activitypub/collections_controller.rb

72 lines
2 KiB
Ruby

# frozen_string_literal: true
class ActivityPub::CollectionsController < ActivityPub::BaseController
vary_by -> { 'Signature' if authorized_fetch_mode? }
before_action :require_account_signature!, if: :authorized_fetch_mode?
before_action :set_items
before_action :set_size
before_action :set_type
def show
expires_in 3.minutes, public: public_fetch_mode?
render_with_cache json: collection_presenter, content_type: 'application/activity+json', serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter
end
private
def set_items
case params[:id]
when 'featured'
@items = for_signed_account { cache_collection(@account.pinned_statuses, Status) }
@items = @items.map { |item| item.distributable? ? item : ActivityPub::TagManager.instance.uri_for(item) }
when 'tags'
@items = for_signed_account { @account.featured_tags }
when 'devices'
@items = @account.devices
else
not_found
end
end
def set_size
case params[:id]
when 'featured', 'devices', 'tags'
@size = @items.size
else
not_found
end
end
def set_type
case params[:id]
when 'featured'
@type = :ordered
when 'devices', 'tags'
@type = :unordered
else
not_found
end
end
def collection_presenter
ActivityPub::CollectionPresenter.new(
id: account_collection_url(@account, params[:id]),
type: @type,
size: @size,
items: @items
)
end
def for_signed_account
# Because in public fetch mode we cache the response, there would be no
# benefit from performing the check below, since a blocked account or domain
# would likely be served the cache from the reverse proxy anyway
if authorized_fetch_mode? && !signed_request_account.nil? && (@account.blocking?(signed_request_account) || (!signed_request_account.domain.nil? && @account.domain_blocking?(signed_request_account.domain)))
[]
else
yield
end
end
end