Class: Rack::ContentLength

Inherits:

Object

• Object
• Rack::ContentLength

show all

Includes:

Utils

Defined in:

rack/rack/content_length.rb

Overview

Constant Summary

Class Attribute Summary (collapse)

• + (void) key_space_limit extended from Utils

  Returns the value of attribute key_space_limit.

Instance Method Summary (collapse)

• - (void) call(env)
• - (ContentLength) initialize(app) constructor

  A new instance of ContentLength.

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# File 'rack/rack/content_length.rb', line 9

def initialize(app)
  @app = app
end

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# File 'rack/rack/content_length.rb', line 13

def call(env)
  status, headers, body = @app.call(env)
  headers = HeaderHash.new(headers)

  if !STATUS_WITH_NO_ENTITY_BODY.include?(status.to_i) &&
     !headers['Content-Length'] &&
     !headers['Transfer-Encoding'] &&
     body.respond_to?(:to_ary)

    obody = body
    body, length = [], 0
    obody.each { |part| body << part; length += bytesize(part) }
    obody.close if obody.respond_to?(:close)

    headers['Content-Length'] = length.to_s
  end

  [status, headers, body]
end