class ApiController < ApplicationController DEFAULT_STATUSES_LIMIT = 20 DEFAULT_ACCOUNTS_LIMIT = 40 protect_from_forgery with: :null_session skip_before_action :verify_authenticity_token before_action :set_rate_limit_headers rescue_from ActiveRecord::RecordInvalid do |e| render json: { error: e.to_s }, status: 422 end rescue_from ActiveRecord::RecordNotFound do render json: { error: 'Record not found' }, status: 404 end rescue_from Goldfinger::Error do render json: { error: 'Remote account could not be resolved' }, status: 422 end rescue_from HTTP::Error do render json: { error: 'Remote data could not be fetched' }, status: 503 end rescue_from OpenSSL::SSL::SSLError do render json: { error: 'Remote SSL certificate could not be verified' }, status: 503 end def doorkeeper_unauthorized_render_options(*) { json: { error: 'Not authorized' } } end def doorkeeper_forbidden_render_options(*) { json: { error: 'This action is outside the authorized scopes' } } end protected def set_rate_limit_headers return if request.env['rack.attack.throttle_data'].nil? now = Time.now.utc match_data = request.env['rack.attack.throttle_data']['api'] response.headers['X-RateLimit-Limit'] = match_data[:limit].to_s response.headers['X-RateLimit-Remaining'] = (match_data[:limit] - match_data[:count]).to_s response.headers['X-RateLimit-Reset'] = (now + (match_data[:period] - now.to_i % match_data[:period])).to_s end def set_pagination_headers(next_path = nil, prev_path = nil) links = [] links << [next_path, [['rel', 'next']]] if next_path links << [prev_path, [['rel', 'prev']]] if prev_path response.headers['Link'] = LinkHeader.new(links) end def current_resource_owner User.find(doorkeeper_token.resource_owner_id) if doorkeeper_token end def current_user super || current_resource_owner rescue ActiveRecord::RecordNotFound nil end def require_user! current_resource_owner rescue ActiveRecord::RecordNotFound render json: { error: 'This method requires an authenticated user' }, status: 422 end def render_empty render json: {}, status: 200 end def set_maps(statuses) if current_account.nil? @reblogs_map = {} @favourites_map = {} return end status_ids = statuses.flat_map { |s| [s.id, s.reblog_of_id] }.compact.uniq @reblogs_map = Status.reblogs_map(status_ids, current_account) @favourites_map = Status.favourites_map(status_ids, current_account) end end