mastodon/app/controllers/tags_controller.rb
Claire 8cf7006d4e
Refactor ActivityPub handling to prepare for non-Account actors (#19212)
* Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService

ActivityPub::FetchRemoteAccountService is kept as a wrapper for when the actor is
specifically required to be an Account

* Refactor SignatureVerification to allow non-Account actors

* fixup! Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService

* Refactor ActivityPub::FetchRemoteKeyService to potentially return non-Account actors

* Refactor inbound ActivityPub payload processing to accept non-Account actors

* Refactor inbound ActivityPub processing to accept activities relayed through non-Account

* Refactor how Account key URIs are built

* Refactor Request and drop unused key_id_format parameter

* Rename ActivityPub::Dereferencer `signature_account` to `signature_actor`
2022-09-21 22:45:57 +02:00

78 lines
2 KiB
Ruby

# frozen_string_literal: true
class TagsController < ApplicationController
include SignatureVerification
PAGE_SIZE = 20
PAGE_SIZE_MAX = 200
layout 'public'
before_action :require_account_signature!, if: -> { request.format == :json && authorized_fetch_mode? }
before_action :authenticate_user!, if: :whitelist_mode?
before_action :set_local
before_action :set_tag
before_action :set_statuses
before_action :set_body_classes
before_action :set_instance_presenter
skip_before_action :require_functional!, unless: :whitelist_mode?
def show
respond_to do |format|
format.html do
expires_in 0, public: true
end
format.rss do
expires_in 0, public: true
end
format.json do
expires_in 3.minutes, public: public_fetch_mode?
render json: collection_presenter, serializer: ActivityPub::CollectionSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json'
end
end
end
private
def set_tag
@tag = Tag.usable.find_normalized!(params[:id])
end
def set_local
@local = truthy_param?(:local)
end
def set_statuses
case request.format&.to_sym
when :json
@statuses = cache_collection(TagFeed.new(@tag, current_account, local: @local).get(PAGE_SIZE, params[:max_id], params[:since_id], params[:min_id]), Status)
when :rss
@statuses = cache_collection(TagFeed.new(@tag, nil, local: @local).get(limit_param), Status)
end
end
def set_body_classes
@body_classes = 'with-modals'
end
def set_instance_presenter
@instance_presenter = InstancePresenter.new
end
def limit_param
params[:limit].present? ? [params[:limit].to_i, PAGE_SIZE_MAX].min : PAGE_SIZE
end
def collection_presenter
ActivityPub::CollectionPresenter.new(
id: tag_url(@tag),
type: :ordered,
size: @tag.statuses.count,
items: @statuses.map { |s| ActivityPub::TagManager.instance.uri_for(s) }
)
end
end