Class: MiniDefender::Rules::Ipv4

Inherits:
MiniDefender::Rule show all
Defined in:
lib/mini_defender/rules/ipv4.rb

Constant Summary collapse

MODES = 
%w[any public private]

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from MiniDefender::Rule

#active?, available?, #bails?, #coerce, #default_value, #defaults?, #error_message, #excluded?, #force_coerce?, #implicit?, #priority, #stops?, #with_message

Constructor Details

#initialize(mode = 'any') ⇒ Ipv4

Returns a new instance of Ipv4.

Raises:

  • (ArgumentError) 


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# File 'lib/mini_defender/rules/ipv4.rb', line 8

def initialize(mode = 'any')
  raise ArgumentError, 'Invalid mode' unless MODES.include?(mode)

  @mode = mode
end

Class Method Details

.make(args) ⇒ Object 



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# File 'lib/mini_defender/rules/ipv4.rb', line 18

def self.make(args)
  new(args[0] || 'any')
end

.signature ⇒ Object 



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# File 'lib/mini_defender/rules/ipv4.rb', line 14

def self.signature
  'ipv4'
end

Instance Method Details

#message(attribute, value, validator) ⇒ Object 



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# File 'lib/mini_defender/rules/ipv4.rb', line 33

def message(attribute, value, validator)
  case @mode
  when 'public'
    "The value must be a valid public IPv4 address."
  when 'private'
    "The value must be a valid private IPv4 address."
  else
    "The value must be a valid IPv4 address."
  end
end

#passes?(attribute, value, validator) ⇒ Boolean

Returns:



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# File 'lib/mini_defender/rules/ipv4.rb', line 22

def passes?(attribute, value, validator)
  ip = IPAddr.new(value.to_s)
  ip.ipv4? && (
    @mode == 'any' ||
    @mode == 'private' && (ip.private? || ip.link_local? || ip.loopback?) ||
    @mode == 'public' && !(ip.private? || ip.link_local? || ip.loopback?)
  )
rescue IPAddr::InvalidAddressError
  false
end