Class: Auth::Centric::Firewall::InternetProtocol

Inherits:
Object
  • Object
show all
Defined in:
lib/auth/centric/firewall/internet_protocol.rb

Overview

Try to find the IPv4

Instance Method Summary collapse

Constructor Details

#initialize(request) ⇒ InternetProtocol

Returns a new instance of InternetProtocol.



10
11
12
 
# File 'lib/auth/centric/firewall/internet_protocol.rb', line 10

def initialize(request)
  @request = request
end

Instance Method Details

#ip ⇒ Object 



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/auth/centric/firewall/internet_protocol.rb', line 14

def ip
  return @ip unless @ip.nil?

  @ip = @request.env['HTTP_X_REAL_IP'] || @request.env['HTTP_X_FORWARDED_FOR'] || @request.remote_ip
  return @ip unless @ip.include?(',')

  @ip.split(',').each do |ip|
    next if is_ipv6?(ip.strip)

    @ip = ip.strip
    break
  end

  @ip
end

#is_ipv6?(ip_string) ⇒ Boolean

Returns:

  • (Boolean) 


30
31
32
33
34
 
# File 'lib/auth/centric/firewall/internet_protocol.rb', line 30

def is_ipv6?(ip_string)
  IPAddr.new(ip_string).ipv6?
rescue IPAddr::AddressFamilyError, IPAddr::InvalidAddressError
  false
end