Sets the Content-Length header on responses with fixed-length bodies.
Methods
Included Modules
- ::Rack::Utils START:includes
Class Public methods
Instance Public methods
# File railties/lib/rails/rack/content_length.rb, line 15 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'] && !(@sendfile && headers[@sendfile]) old_body = body body, length = [], 0 old_body.each do |part| body << part length += bytesize(part) end old_body.close if old_body.respond_to?(:close) headers['Content-Length'] = length.to_s end [status, headers, body] end