Current File : //opt/cpanel/ea-ruby27/root/usr/share/gems/gems/rack-2.2.10/lib/rack/content_length.rb
# frozen_string_literal: true
module Rack
# Sets the Content-Length header on responses that do not specify
# a Content-Length or Transfer-Encoding header. Note that this
# does not fix responses that have an invalid Content-Length
# header specified.
class ContentLength
include Rack::Utils
def initialize(app)
@app = app
end
def call(env)
status, headers, body = @app.call(env)
headers = HeaderHash[headers]
if !STATUS_WITH_NO_ENTITY_BODY.key?(status.to_i) &&
!headers[CONTENT_LENGTH] &&
!headers[TRANSFER_ENCODING]
obody = body
body, length = [], 0
obody.each { |part| body << part; length += part.bytesize }
body = BodyProxy.new(body) do
obody.close if obody.respond_to?(:close)
end
headers[CONTENT_LENGTH] = length.to_s
end
[status, headers, body]
end
end
end
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