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mastodon/app/controllers/well_known/webfinger_controller.rb
ThibG 868568d1c1 Make host_meta/webfinger replies cacheable (fixes #6100) (#6101)
* Make host_meta/webfinger replies cacheable (fixes #6100)

Drop common code for handling users and sessions as webfinger queries
are very basic, public APIs.

Also explicitly mark results as cacheable with “expires_in”.

* Add “Vary: Accept” header for caching since content-negociation is used
2017-12-27 18:21:12 +01:00

45 lines
1.0 KiB
Ruby

# frozen_string_literal: true
module WellKnown
class WebfingerController < ActionController::Base
include RoutingHelper
before_action { response.headers['Vary'] = 'Accept' }
def show
@account = Account.find_local!(username_from_resource)
respond_to do |format|
format.any(:json, :html) do
render json: @account, serializer: WebfingerSerializer, content_type: 'application/jrd+json'
end
format.xml do
render content_type: 'application/xrd+xml'
end
end
expires_in(3.days, public: true)
rescue ActiveRecord::RecordNotFound
head 404
end
private
def username_from_resource
resource_user = resource_param
username, domain = resource_user.split('@')
if Rails.configuration.x.alternate_domains.include?(domain)
resource_user = "#{username}@#{Rails.configuration.x.local_domain}"
end
WebfingerResource.new(resource_user).username
end
def resource_param
params.require(:resource)
end
end
end