Class: Rack::Taint

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/taint.rb,
lib/rack/taint/railtie.rb,
lib/rack/taint/readable.rb

Defined Under Namespace

Modules: Readable Classes: Railtie

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Taint

Returns a new instance of Taint.



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# File 'lib/rack/taint.rb', line 4

def initialize(app)
  @app = app
end

Instance Method Details

#_call(env) ⇒ Object 



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# File 'lib/rack/taint.rb', line 12

def _call(env)
  env.each do |k, v|
    v.taint unless k.include?('.')
  end
  input = env['rack.input'].taint
  if input.respond_to?(:string)
    require 'rack/taint/readable'
    input.extend(Readable).string.taint
  end
  # Some middleware (e.g., Rack::MethodOverride) may cause parameter
  # parsing before we taint.
  env.delete('rack.request.form_input')
  env.delete('rack.request.query_string')
  @app.call(env)
end

#call(env) ⇒ Object 



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

def call(env)
  dup._call(env)
end