Contents

module Multiplicity
  module Middleware
    class Subdomain
      attr_reader :app, :header

      def initialize(app, header = 'HTTP_HOST')
        @app    = app
        @header = header

        unless defined?(Multiplicity::Adapters)
          raise RuntimeError, "You must require an adapter to use Multiplicity"
        end
      end

      def call(env)
        subdomain = env[header].to_s.sub(/^http(s)?:\/\//, '').sub(/:[0-9]+$/, '')
        subdomain = subdomain.split('.')[0..-3].join('.').downcase if subdomain.split('.').length > 2
        subdomain = env.fetch('TENANT', 'localhost') if development?(subdomain)

        if subdomain.length > 0
          ::Multiplicity::Tenant.load(subdomain) or return not_found
        else
          return not_found
        end

        return gone if ::Multiplicity::Tenant.current.archived?

        @app.call(env)
      ensure
        ::Multiplicity::Tenant.current = nil
      end

      def not_found
        [404, { 'Content-Type' => 'text/plain', 'Content-Length' => '9' }, ['Not Found']]
      end

      def gone
        [410, { 'Content-Type' => 'text/plain', 'Content-Length' => '15' }, ['Tenant archived']]
      end

    private

      def development?(server_name)
        return true if server_name =~ /^localhost(?:\:[0-9]+)$/
        return true if server_name =~ /\.local$/
        return true if server_name =~ /^(?:[0-9]{1,3}\.){3}[0-9]{1,3}(?:\:[0-9]+)$/
        false
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
multiplicity-0.2.0	lib/multiplicity/middleware/subdomain.rb