Sha256: a913a50204d13e006d8c8ef9cd9136eb23b863b1228d83a63c24da3ff8c35c93

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Size: 1.13 KB

Versions: 29

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Stored size: 1.13 KB

Contents

require 'rack/utils'

module Rack

  # Middleware that applies chunked transfer encoding to response bodies
  # when the response does not include a Content-Length header.
  class Chunked
    include Rack::Utils

    def initialize(app)
      @app = app
    end

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

      if env['HTTP_VERSION'] == 'HTTP/1.0' ||
         STATUS_WITH_NO_ENTITY_BODY.include?(status) ||
         headers['Content-Length'] ||
         headers['Transfer-Encoding']
        [status, headers.to_hash, body]
      else
        dup.chunk(status, headers, body)
      end
    end

    def chunk(status, headers, body)
      @body = body
      headers.delete('Content-Length')
      headers['Transfer-Encoding'] = 'chunked'
      [status, headers.to_hash, self]
    end

    def each
      term = "\r\n"
      @body.each do |chunk|
        size = bytesize(chunk)
        next if size == 0
        yield [size.to_s(16), term, chunk, term].join
      end
      yield ["0", term, "", term].join
    end

    def close
      @body.close if @body.respond_to?(:close)
    end
  end
end

Version data entries

29 entries across 29 versions & 13 rubygems

Version Path
hiraku-rack-1.0.0.1 lib/rack/chunked.rb
passenger-2.2.5 vendor/rack-1.0.0-git/lib/rack/chunked.rb
webroar-0.2.2 src/admin_panel/vendor/rails/actionpack/lib/action_controller/vendor/rack-1.0/rack/chunked.rb
passenger-2.2.3 vendor/rack-1.0.0-git/lib/rack/chunked.rb
passenger-2.2.4 vendor/rack-1.0.0-git/lib/rack/chunked.rb
actionpack-2.3.2 lib/action_controller/vendor/rack-1.0/rack/chunked.rb
passenger-2.2.2 vendor/rack-1.0.0-git/lib/rack/chunked.rb
rack-1.0.0 lib/rack/chunked.rb
radiant-0.8.0 vendor/rails/actionpack/lib/action_controller/vendor/rack-1.0/rack/chunked.rb