Class: FirewallConstraint::Constraint

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

Instance Method Summary collapse

Constructor Details

#initialize(ips = []) ⇒ Constraint

Returns a new instance of Constraint.



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# File 'lib/firewall_constraint.rb', line 6

def initialize(ips = [])
  if ips.respond_to? :call
    @ips = ips
  else
    ips = [ips].flatten.compact
    @ips = !ips.empty? ? ips :
      [YAML.load_file(Rails.root.join('config','firewall_constraint.yml'))[Rails.env]].flatten.compact
  end
end

Instance Method Details

#ips ⇒ Object 



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# File 'lib/firewall_constraint.rb', line 44

def ips
  @ips.respond_to?(:call) ? @ips.call : @ips
end

#matches?(request) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/firewall_constraint.rb', line 20

def matches?(request)
  return true if parsed_ips.empty?
  client_ip = IPAddress::parse requestor_ip(request)
  parsed_ips.each do |ip|
    begin
      return true if ip.include?(client_ip)
    rescue NoMethodError => nme
    end
  end
  raise config.raise_exception if config && config.raise_exception
  false
end

#parsed_ips ⇒ Object 



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# File 'lib/firewall_constraint.rb', line 33

def parsed_ips
  cur_ips = ips
  if cur_ips == @old_ips
    @cached_parsed_ips
  else
    @old_ips = cur_ips
    @cached_parsed_ips = cur_ips.map{|c| IPAddress::parse(c)}
  end

end

#requestor_ip(request) ⇒ Object 



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# File 'lib/firewall_constraint.rb', line 16

def requestor_ip(request)
  request.env["HTTP_X_FORWARDED_FOR"] ? request.env["HTTP_X_FORWARDED_FOR"].split(/, /).first : request.remote_ip
end