Class: HideMyAss::IP

Inherits:
Object
  • Object
show all
Defined in:
lib/hidemyass/ip.rb

Constant Summary collapse

TAGS = 
%w(span div text).freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(encoded_address) ⇒ IP

Returns a new instance of IP.



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# File 'lib/hidemyass/ip.rb', line 11

def initialize(encoded_address)
  # Select decoy CSS classes: those which result in a hidden element
  @decoys = encoded_address.css("style").text.split("\n").
    select {|style| style =~ /none/}

  # Find enclosing IP elements
  elements = encoded_address.children

  # Process elements and get rid of those with decoy classes
  elements = decode(elements)

  # Finally grab enclosing elements content, which is the real IP
  @address = elements.map(&:content).join
  self
end

Instance Attribute Details

#address ⇒ Object

Returns the value of attribute address.



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# File 'lib/hidemyass/ip.rb', line 8

def address
  @address
end

#decoys ⇒ Object

Returns the value of attribute decoys.



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# File 'lib/hidemyass/ip.rb', line 8

def decoys
  @decoys
end

Instance Method Details

#decode(elements) ⇒ Object

Receives an array of elements and returns another without invisibles.



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# File 'lib/hidemyass/ip.rb', line 29

def decode(elements)
  elements.each do |element|

    # Remove elements with CSS style "none"
    if !TAGS.include?(element.name) || (element["style"] && element["style"] =~ /none/)
      element.children.remove

    # Get rid of decoy children
    elsif element["class"]
      decoys.each do |decoy|
        element.children.remove if decoy.include?(element["class"])
      end
    end
  end

  elements
end

#inspect ⇒ Object 



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# File 'lib/hidemyass/ip.rb', line 52

def inspect
  "#<#{self.class}> @address=#{address}>"
end

#valid? ⇒ Boolean

Make sure the IP has a valid format.

Returns:

  • (Boolean) 


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# File 'lib/hidemyass/ip.rb', line 48

def valid?
  address.split(".").reject(&:empty?).size == 4
end