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Contents
# -*- encoding: binary -*-
# :enddoc:
# Writes a Rack response to your client using the HTTP/1.1 specification.
# You use it by simply doing:
#
# status, headers, body = rack_app.call(env)
# http_response_write(socket, status, headers, body)
#
# Most header correctness (including Content-Length and Content-Type)
# is the job of Rack, with the exception of the "Date" and "Status" header.
module Unicorn::HttpResponse
STATUS_CODES = defined?(Rack::Utils::HTTP_STATUS_CODES) ?
Rack::Utils::HTTP_STATUS_CODES : {}
# internal API, code will always be common-enough-for-even-old-Rack
def err_response(code, response_start_sent)
"#{response_start_sent ? '' : 'HTTP/1.1 '}" \
"#{code} #{STATUS_CODES[code]}\r\n\r\n"
end
# writes the rack_response to socket as an HTTP response
def http_response_write(socket, status, headers, body,
response_start_sent=false)
hijack = nil
if headers
code = status.to_i
msg = STATUS_CODES[code]
start = response_start_sent ? ''.freeze : 'HTTP/1.1 '.freeze
buf = "#{start}#{msg ? %Q(#{code} #{msg}) : status}\r\n" \
"Date: #{httpdate}\r\n" \
"Connection: close\r\n"
headers.each do |key, value|
case key
when %r{\A(?:Date|Connection)\z}i
next
when "rack.hijack"
# This should only be hit under Rack >= 1.5, as this was an illegal
# key in Rack < 1.5
hijack = value
else
if value =~ /\n/
# avoiding blank, key-only cookies with /\n+/
value.split(/\n+/).each { |v| buf << "#{key}: #{v}\r\n" }
else
buf << "#{key}: #{value}\r\n"
end
end
end
socket.write(buf << "\r\n".freeze)
end
if hijack
hijack.call(socket)
else
body.each { |chunk| socket.write(chunk) }
end
end
end
Version data entries
22 entries across 22 versions & 4 rubygems