bastodon/app/controllers/api_controller.rb

90 lines
2.5 KiB
Ruby

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