Module: Rack::Alpaca

Defined in:
lib/rack/alpaca.rb,
lib/rack/alpaca/version.rb

Constant Summary collapse

VERSION = 
'1.1.5'

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.blacklist ⇒ Object (readonly)

Returns the value of attribute blacklist.



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# File 'lib/rack/alpaca.rb', line 5

def blacklist
  @blacklist
end

.default ⇒ Object

Returns the value of attribute default.



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# File 'lib/rack/alpaca.rb', line 6

def default
  @default
end

.whitelist ⇒ Object (readonly)

Returns the value of attribute whitelist.



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# File 'lib/rack/alpaca.rb', line 5

def whitelist
  @whitelist
end

Class Method Details

.call(env) ⇒ Object 



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# File 'lib/rack/alpaca.rb', line 19

def call (env)
  req = Rack::Request.new(env)

  if whitelisted?('whitelist', req)
    @app.call(env)
  elsif blacklisted?('blacklist', req)
    [503, { "Content-Type"=>"text/plain" }, ["Request blocked\n"]]
  else
    default_strategy(env)
  end
end

.new(app) ⇒ Object 



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# File 'lib/rack/alpaca.rb', line 8

def new (app)
  @@config ||= YAML.load_file('config/alpaca.yml')

  @app = app
  @whitelist ||= Hash[@@config['whitelist'].map { |ip| [IPAddr.new(ip), true] }].freeze
  @blacklist ||= Hash[@@config['blacklist'].map { |ip| [IPAddr.new(ip), true] }].freeze
  @default = @@config['default']

  self
end