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# frozen_string_literal: true
class StatusesController < ApplicationController
include StatusControllerConcern
include SignatureAuthentication
include Authorization
include AccountOwnedConcern
layout 'public'
before_action :require_signature!, only: :show, if: -> { request.format == :json && authorized_fetch_mode? }
before_action :set_status
before_action :handle_sharekey_change, only: [:show], if: :user_signed_in?
before_action :handle_webapp_redirect, only: [:show], if: :user_signed_in?
before_action :set_instance_presenter
before_action :set_link_headers
before_action :redirect_to_original, only: :show
before_action :set_referrer_policy_header, only: :show
before_action :set_cache_headers
before_action :set_body_classes
before_action :set_autoplay, only: :embed
content_security_policy only: :embed do |p|
p.frame_ancestors(false)
end
def show
respond_to do |format|
format.html do
use_pack 'public'
expires_in 10.seconds, public: true if current_account.nil?
set_ancestors
set_descendants
end
format.json do
expires_in 3.minutes, public: @status.distributable? && public_fetch_mode?
render json: @status, content_type: 'application/activity+json', serializer: ActivityPub::NoteSerializer, adapter: ActivityPub::Adapter
end
end
end
def activity
expires_in 3.minutes, public: @status.distributable? && public_fetch_mode?
render json: @status, content_type: 'application/activity+json', serializer: ActivityPub::ActivitySerializer, adapter: ActivityPub::Adapter
end
def embed
raise ActiveRecord::RecordNotFound unless @status.distributable?
expires_in 180, public: true
response.headers['X-Frame-Options'] = 'ALLOWALL'
render layout: 'embedded'
end
private
def set_body_classes
@body_classes = 'with-modals'
end
def set_link_headers
response.headers['Link'] = LinkHeader.new([[ActivityPub::TagManager.instance.uri_for(@status), [%w(rel alternate), %w(type application/activity+json)]]])
end
def set_status
@status = @account.statuses.find(params[:id])
@sharekey = params[:key]
if @status.sharekey.present? && @sharekey == @status.sharekey.key
skip_authorization
else
authorize @status, :show?
end
rescue Mastodon::NotPermittedError
raise ActiveRecord::RecordNotFound
end
def handle_sharekey_change
return if params[:rekey].nil?
raise Mastodon::NotPermittedError unless current_account.id == @status.account_id
case params[:rekey]
when '1'
@status.sharekey = SecureRandom.urlsafe_base64(32)
Rails.cache.delete("statuses/#{@status.id}")
when '0'
@status.sharekey = nil
Rails.cache.delete("statuses/#{@status.id}")
end
end
def handle_webapp_redirect
redirect_to "/web/statuses/#{@status.id}" if params[:toweb] == '1'
end
def set_instance_presenter
@instance_presenter = InstancePresenter.new
end
def redirect_to_original
redirect_to ActivityPub::TagManager.instance.url_for(@status.reblog) if @status.reblog?
end
def set_referrer_policy_header
response.headers['Referrer-Policy'] = 'origin' unless @status.distributable?
end
def set_autoplay
@autoplay = truthy_param?(:autoplay)
end
end
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