Method: Rack::Lint#check_input

Defined in:
lib/rack/lint.rb

#check_input(input) ⇒ Object

The Input Stream

The input stream is an IO-like object which contains the raw HTTP POST data.



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# File 'lib/rack/lint.rb', line 237

def check_input(input)
  ## When applicable, its external encoding must be "ASCII-8BIT" and it
  ## must be opened in binary mode, for Ruby 1.9 compatibility.
  assert("rack.input #{input} does not have ASCII-8BIT as its external encoding") {
    input.external_encoding.name == "ASCII-8BIT"
  } if input.respond_to?(:external_encoding)
  assert("rack.input #{input} is not opened in binary mode") {
    input.binmode?
  } if input.respond_to?(:binmode?)
  
  ## The input stream must respond to +gets+, +each+, +read+ and +rewind+.
  [:gets, :each, :read, :rewind].each { |method|
    assert("rack.input #{input} does not respond to ##{method}") {
      input.respond_to? method
    }
  }
end