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Contents
# frozen_string_literal: true
require 'apartment/elevators/generic'
require 'public_suffix'
module Apartment
module Elevators
# Provides a rack based tenant switching solution based on subdomains
# Assumes that tenant name should match subdomain
#
class Subdomain < Generic
def self.excluded_subdomains
@excluded_subdomains ||= []
end
# rubocop:disable Style/TrivialAccessors
def self.excluded_subdomains=(arg)
@excluded_subdomains = arg
end
# rubocop:enable Style/TrivialAccessors
def parse_tenant_name(request)
request_subdomain = subdomain(request.host)
# If the domain acquired is set to be excluded, set the tenant to whatever is currently
# next in line in the schema search path.
tenant = if self.class.excluded_subdomains.include?(request_subdomain)
nil
else
request_subdomain
end
tenant.presence
end
protected
# *Almost* a direct ripoff of ActionDispatch::Request subdomain methods
# Only care about the first subdomain for the database name
def subdomain(host)
subdomains(host).first
end
def subdomains(host)
host_valid?(host) ? parse_host(host) : []
end
def host_valid?(host)
!ip_host?(host) && domain_valid?(host)
end
def ip_host?(host)
!/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/.match(host).nil?
end
def domain_valid?(host)
PublicSuffix.valid?(host, ignore_private: true)
end
def parse_host(host)
(PublicSuffix.parse(host, ignore_private: true).trd || '').split('.')
end
end
end
end
Version data entries
18 entries across 18 versions & 3 rubygems