Class: Rack::Dedos::Filters::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/dedos/filters/base.rb

Direct Known Subclasses

Country, UserAgent

Constant Summary collapse

DEFAULT_OPTIONS = 
{
  only_paths: [],
  except_paths: [],
  status: 403,
  text: 'Forbidden (Temporarily Blocked by Rules)'
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Base

Returns a new instance of Base.

Parameters:

  • app (#call)
  • options (Hash{Symbol => Object}) (defaults to: {}) 


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# File 'lib/rack/dedos/filters/base.rb', line 21

def initialize(app, options = {})
  @app = app
  @options = DEFAULT_OPTIONS.merge(options)
  @details = nil
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/rack/dedos/filters/base.rb', line 15

def app
  @app
end

#details ⇒ Object (readonly)

Returns the value of attribute details.



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# File 'lib/rack/dedos/filters/base.rb', line 17

def details
  @details
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/rack/dedos/filters/base.rb', line 16

def options
  @options
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/dedos/filters/base.rb', line 27

def call(env)
  request = Rack::Request.new(env)
  ip = real_ip(request)
  if !apply?(request) || allowed?(request, ip)
    app.call(env)
  else
    message = "rack-dedos: request #{request.path} from #{ip} blocked by #{self.class}"
    warn([message, details].compact.join(": "))
    [options[:status], { 'Content-Type' => 'text/plain' }, [options[:text]]]
  end
end