Gecko [ touzafair.com ]

Name	Size	Permission
auth	[ DIR ]	drwxr-xr-x
multipart	[ DIR ]	drwxr-xr-x
body_proxy.rb	1.3 KB	-rw-r--r--
builder.rb	8.56 KB	-rw-r--r--
cascade.rb	2.25 KB	-rw-r--r--
chunked.rb	3.3 KB	-rw-r--r--
common_logger.rb	3.12 KB	-rw-r--r--
conditional_get.rb	2.99 KB	-rw-r--r--
config.rb	410 B	-rw-r--r--
constants.rb	2.47 KB	-rw-r--r--
content_length.rb	806 B	-rw-r--r--
content_type.rb	695 B	-rw-r--r--
deflater.rb	5.51 KB	-rw-r--r--
directory.rb	6.02 KB	-rw-r--r--
etag.rb	1.87 KB	-rw-r--r--
events.rb	4.8 KB	-rw-r--r--
file.rb	167 B	-rw-r--r--
files.rb	5.66 KB	-rw-r--r--
head.rb	524 B	-rw-r--r--
headers.rb	2.96 KB	-rw-r--r--
lint.rb	36.09 KB	-rwxr-xr-x
lock.rb	573 B	-rw-r--r--
logger.rb	414 B	-rw-r--r--
media_type.rb	1.4 KB	-rw-r--r--
method_override.rb	1.45 KB	-rw-r--r--
mime.rb	32.69 KB	-rw-r--r--
mock.rb	63 B	-rw-r--r--
mock_request.rb	5.37 KB	-rw-r--r--
mock_response.rb	3.28 KB	-rw-r--r--
multipart.rb	1.17 KB	-rw-r--r--
null_logger.rb	1.18 KB	-rw-r--r--
query_parser.rb	8.37 KB	-rw-r--r--
recursive.rb	1.78 KB	-rw-r--r--
reloader.rb	3.02 KB	-rw-r--r--
request.rb	24.57 KB	-rw-r--r--
response.rb	10.72 KB	-rw-r--r--
rewindable_input.rb	3.12 KB	-rw-r--r--
runtime.rb	870 B	-rw-r--r--
sendfile.rb	5.55 KB	-rw-r--r--
show_exceptions.rb	13.73 KB	-rw-r--r--
show_status.rb	3.58 KB	-rw-r--r--
static.rb	6 KB	-rw-r--r--
tempfile_reaper.rb	778 B	-rw-r--r--
urlmap.rb	2.81 KB	-rw-r--r--
utils.rb	21.1 KB	-rw-r--r--
version.rb	958 B	-rw-r--r--

Code Editor : chunked.rb

# frozen_string_literal: true

require_relative 'constants'
require_relative 'utils'

module Rack
  warn "Rack::Chunked is deprecated and will be removed in Rack 3.1", uplevel: 1

# Middleware that applies chunked transfer encoding to response bodies
  # when the response does not include a content-length header.
  #
  # This supports the trailer response header to allow the use of trailing
  # headers in the chunked encoding.  However, using this requires you manually
  # specify a response body that supports a +trailers+ method.  Example:
  #
  #   [200, { 'trailer' => 'expires'}, ["Hello", "World"]]
  #   # error raised
  #
  #   body = ["Hello", "World"]
  #   def body.trailers
  #     { 'expires' => Time.now.to_s }
  #   end
  #   [200, { 'trailer' => 'expires'}, body]
  #   # No exception raised
  class Chunked
    include Rack::Utils

# A body wrapper that emits chunked responses.
    class Body
      TERM = "\r\n"
      TAIL = "0#{TERM}"

# Store the response body to be chunked.
      def initialize(body)
        @body = body
      end

# For each element yielded by the response body, yield
      # the element in chunked encoding.
      def each(&block)
        term = TERM
        @body.each do |chunk|
          size = chunk.bytesize
          next if size == 0

yield [size.to_s(16), term, chunk.b, term].join
        end
        yield TAIL
        yield_trailers(&block)
        yield term
      end

# Close the response body if the response body supports it.
      def close
        @body.close if @body.respond_to?(:close)
      end

private

# Do nothing as this class does not support trailer headers.
      def yield_trailers
      end
    end

# A body wrapper that emits chunked responses and also supports
    # sending Trailer headers.  Note that the response body provided to
    # initialize must have a +trailers+ method that returns a hash
    # of trailer headers, and the rack response itself should have a
    # Trailer header listing the headers that the +trailers+ method
    # will return.
    class TrailerBody < Body
      private

# Yield strings for each trailer header.
      def yield_trailers
        @body.trailers.each_pair do |k, v|
          yield "#{k}: #{v}\r\n"
        end
      end
    end

def initialize(app)
      @app = app
    end

# Whether the HTTP version supports chunked encoding (HTTP 1.1 does).
    def chunkable_version?(ver)
      case ver
      # pre-HTTP/1.0 (informally "HTTP/0.9") HTTP requests did not have
      # a version (nor response headers)
      when 'HTTP/1.0', nil, 'HTTP/0.9'
        false
      else
        true
      end
    end

# If the rack app returns a response that should have a body,
    # but does not have content-length or transfer-encoding headers,
    # modify the response to use chunked transfer-encoding.
    def call(env)
      status, headers, body = response = @app.call(env)

if chunkable_version?(env[SERVER_PROTOCOL]) &&
         !STATUS_WITH_NO_ENTITY_BODY.key?(status.to_i) &&
         !headers[CONTENT_LENGTH] &&
         !headers[TRANSFER_ENCODING]

headers[TRANSFER_ENCODING] = 'chunked'
        if headers['trailer']
          response[2] = TrailerBody.new(body)
        else
          response[2] = Body.new(body)
        end
      end

response
    end
  end
end

${this.title}

Code Editor : chunked.rb