Class: Rack::Entrance

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/entrance.rb,
lib/rack/entrance/version.rb

Defined Under Namespace

Modules: VERSION

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Entrance

Returns a new instance of Entrance.



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# File 'lib/rack/entrance.rb', line 7

def initialize(app, options = {})
  @app = app
end

Class Method Details

.internal_cidrs ⇒ Object 



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# File 'lib/rack/entrance.rb', line 11

def self.internal_cidrs
  ENV['ENTRANCE_INTERNAL_CIDRS'].to_s.split ','
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/entrance.rb', line 15

def call(env)
  @env = env
  request.env['entrance.user_ip']        = user_ip.to_s if user_ip.to_s != ''
  request.env['entrance.internal_cidrs'] = self.class.internal_cidrs
  request.env['entrance.internal']       = internal?
  @app.call env
end

#internal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rack/entrance.rb', line 37

def internal?
  internal_ips.any? { |ip| ip.include?(user_ip) }
end

#internal_ips ⇒ Object 



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# File 'lib/rack/entrance.rb', line 41

def internal_ips
  @internal_ips ||= self.class.internal_cidrs.map do |cidr|
    begin
      ::IPAddr.new cidr
    rescue ArgumentError
      nil
    end
  end.compact
end

#raw_user_ip ⇒ Object 



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# File 'lib/rack/entrance.rb', line 27

def raw_user_ip
  (@env["action_dispatch.remote_ip"] || request.ip).to_s
end

#request ⇒ Object 



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# File 'lib/rack/entrance.rb', line 23

def request
  ::Rack::Request.new @env
end

#user_ip ⇒ Object 



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# File 'lib/rack/entrance.rb', line 31

def user_ip
  ::IPAddr.new raw_user_ip
rescue ArgumentError
  nil
end