webfinger.rb
1.73 KB
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module Api
module Federation
class Webfinger < Grape::API
get 'webfinger' do
result = generate_jrd
present result, with: Grape::Presenters::Presenter
end
end
end
end
def generate_jrd
unless valid_domain?
not_found!
Rails.logger.error 'Domain Not Found'
end
if request_acct?
acct_hash
elsif valid_uri?(params[:resource])
uri_hash
end
end
def domain
if request_acct?
params[:resource].split('@')[1]
else
params[:resource].split('/')[2]
end
end
def valid_domain?
environment.domains.map(&:name).include? domain
end
def request_acct?
params[:resource].include? 'acct:'
end
def acct_hash
acct = {}
acct[:subject] = params[:resource]
acct[:properties] = Person.find_by_identifier(extract_person_identifier)
if acct[:properties].nil?
Rails.logger.error 'Person not found'
not_found!
end
acct
end
def extract_person_identifier
params[:resource].split('@')[0].split(':')[1]
end
def valid_uri?(url)
uri = URI.parse(url)
if uri.is_a?(URI::HTTP)
true
else
Rails.logger.error 'Bad URI Error'
not_found!
end
end
def uri_hash
uri = {}
uri[:subject] = params[:resource]
entity = find_entity(params[:resource])
id = params[:resource].split('/').last.to_i
begin
uri[:properties] = entity.classify.constantize.find(id)
rescue ActiveRecord::RecordNotFound
Rails.logger.error "Entity: #{entity} with id: #{id} not found"
not_found!
end
uri
end
def find_entity(uri)
possible_entity = uri.split('/')
possible_entity.map! { |entity| "#{entity}s" }
entity = (ActiveRecord::Base.connection.tables & possible_entity).first
unless entity
Rails.logger.error 'Entity not found on records'
not_found!
end
entity
end