documentation/app/controllers/api_controller.rb

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class ApiController < ApplicationController
protect_from_forgery with: :null_session
2016-08-17 17:56:23 +02:00
skip_before_action :verify_authenticity_token
before_action :set_rate_limit_headers
before_action :set_cors_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_cors_headers
response.headers['Access-Control-Allow-Origin'] = '*'
response.headers['Access-Control-Allow-Methods'] = 'POST, PUT, DELETE, GET, OPTIONS'
response.headers['Access-Control-Request-Method'] = '*'
response.headers['Access-Control-Allow-Headers'] = 'Origin, X-Requested-With, Content-Type, Accept, Authorization'
end
def current_resource_owner
User.find(doorkeeper_token.resource_owner_id) if doorkeeper_token
end
def current_user
super || current_resource_owner
end
def render_empty
render json: {}, status: 200
end
def set_maps(statuses)
status_ids = statuses.flat_map { |s| [s.id, s.reblog_of_id] }.compact.uniq
@reblogs_map = Status.reblogs_map(status_ids, current_user.account)
@favourites_map = Status.favourites_map(status_ids, current_user.account)
end
end