Module: Portless::RailsHosts

Defined in:
lib/portless/rails_hosts.rb

Overview

The host matchers to whitelist in Rails development, derived from the URL rb-portless run injects (PORTLESS_URL). Plain Ruby so it's testable without booting Rails; the Railtie is just glue around it.

Class Method Summary collapse

Class Method Details

.allowed(portless_url = ENV["PORTLESS_URL"]) ⇒ Object

Empty unless we're actually running under rb-portless.



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# File 'lib/portless/rails_hosts.rb', line 13

def allowed(portless_url = ENV["PORTLESS_URL"])
  return [] if portless_url.to_s.empty?

  # Rails wraps a Regexp as /\A<re>(:port)?\z/, so match the whole host.
  patterns = [ /.+\.localhost/ ]

  host = begin
    URI(portless_url).host
  rescue StandardError
    nil
  end
  # Support a custom, non-.localhost tld (e.g. *.myapp.test) too.
  patterns.push(host, ".#{host}") if host && !host.end_with?(".localhost")
  patterns
end