Module: Validators::Ip

Extended by:
Ip
Included in:
Ip
Defined in:
lib/validators/ip.rb

Instance Method Summary collapse

Instance Method Details

#v4?(addr) ⇒ Boolean

Extracted from Ruby 1.8.7

Returns:

  • (Boolean) 


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# File 'lib/validators/ip.rb', line 6

def v4?(addr)
  matches = addr.match(/\A(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\Z/)
  matches && matches.captures.all? {|i| i.to_i < 256}
end

#v6?(addr) ⇒ Boolean

Extracted from Ruby 1.8.7

Returns:

  • (Boolean) 


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# File 'lib/validators/ip.rb', line 12

def v6?(addr)
  # IPv6 (normal)
  return true if /\A[\da-f]{1,4}(:[\da-f]{1,4})*\Z/i =~ addr
  return true if /\A[\da-f]{1,4}(:[\da-f]{1,4})*::([\da-f]{1,4}(:[\da-f]{1,4})*)?\Z/i =~ addr
  return true if /\A::([\da-f]{1,4}(:[\da-f]{1,4})*)?\Z/i =~ addr
  # IPv6 (IPv4 compat)
  return true if /\A[\da-f]{1,4}(:[\da-f]{1,4})*:/i =~ addr && v4?($')
  return true if /\A[\da-f]{1,4}(:[\da-f]{1,4})*::([\da-f]{1,4}(:[\da-f]{1,4})*:)?/i =~ addr && v4?($')
  return true if /\A::([\da-f]{1,4}(:[\da-f]{1,4})*:)?/i =~ addr && v4?($')

  false
end

#valid?(addr) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/validators/ip.rb', line 25

def valid?(addr)
  v4?(addr) || v6?(addr)
end