/
request_handler.rb
131 lines (121 loc) · 4.7 KB
/
request_handler.rb
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# Phusion Passenger - http://www.modrails.com/
# Copyright (c) 2008, 2009 Phusion
#
# "Phusion Passenger" is a trademark of Hongli Lai & Ninh Bui.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
rack_dir = File.expand_path(File.dirname(__FILE__) + "/../../../vendor/rack-1.0.0-git/lib")
$LOAD_PATH.unshift(rack_dir) if !$LOAD_PATH.include?(rack_dir)
require 'rack/rewindable_input'
require 'phusion_passenger/abstract_request_handler'
module PhusionPassenger
module Rack
# A request handler for Rack applications.
class RequestHandler < AbstractRequestHandler
# Constants which exist to relieve Ruby's garbage collector.
RACK_VERSION = "rack.version" # :nodoc:
RACK_VERSION_VALUE = [1, 0] # :nodoc:
RACK_INPUT = "rack.input" # :nodoc:
RACK_ERRORS = "rack.errors" # :nodoc:
RACK_MULTITHREAD = "rack.multithread" # :nodoc:
RACK_MULTIPROCESS = "rack.multiprocess" # :nodoc:
RACK_RUN_ONCE = "rack.run_once" # :nodoc:
RACK_URL_SCHEME = "rack.url_scheme" # :nodoc:
SCRIPT_NAME = "SCRIPT_NAME" # :nodoc:
PATH_INFO = "PATH_INFO" # :nodoc:
REQUEST_URI = "REQUEST_URI" # :nodoc:
QUESTION_MARK = "?" # :nodoc:
QUERY_STRING = "QUERY_STRING" # :nodoc:
CONTENT_LENGTH = "CONTENT_LENGTH" # :nodoc:
CONTENT_TYPE = "CONTENT_TYPE" # :nodoc:
HTTP_CONTENT_LENGTH = "HTTP_CONTENT_LENGTH" # :nodoc:
HTTP_CONTENT_TYPE = "HTTP_CONTENT_TYPE" # :nodoc:
HTTPS = "HTTPS" # :nodoc:
HTTPS_DOWNCASE = "https" # :nodoc:
HTTP = "http" # :nodoc:
YES = "yes" # :nodoc:
ON = "on" # :nodoc:
ONE = "1" # :nodoc:
CRLF = "\r\n" # :nodoc:
# +app+ is the Rack application object.
def initialize(owner_pipe, app, options = {})
super(owner_pipe, options)
@app = app
end
protected
# Overrided method.
def process_request(env, input, output)
rewindable_input = ::Rack::RewindableInput.new(input)
begin
env[RACK_VERSION] = RACK_VERSION_VALUE
env[RACK_INPUT] = rewindable_input
env[RACK_ERRORS] = STDERR
env[RACK_MULTITHREAD] = false
env[RACK_MULTIPROCESS] = true
env[RACK_RUN_ONCE] = false
env[QUERY_STRING] ||= ""
env[PATH_INFO] ||= env[REQUEST_URI].split(QUESTION_MARK, 2).first
env[PATH_INFO].sub!(/^#{Regexp.escape(env[SCRIPT_NAME])}/, "")
if env[HTTP_CONTENT_LENGTH] && env[CONTENT_LENGTH]
env.delete(HTTP_CONTENT_LENGTH)
elsif env[HTTP_CONTENT_LENGTH] && !env[CONTENT_LENGTH]
env[CONTENT_LENGTH] = env[HTTP_CONTENT_LENGTH]
env.delete(HTTP_CONTENT_LENGTH)
end
if env[HTTP_CONTENT_TYPE] && env[CONTENT_TYPE]
env.delete(HTTP_CONTENT_TYPE)
elsif env[HTTP_CONTENT_TYPE] && !env[CONTENT_TYPE]
env[CONTENT_TYPE] = env[HTTP_CONTENT_TYPE]
env.delete(HTTP_CONTENT_TYPE)
end
if env[HTTPS] == YES || env[HTTPS] == ON || env[HTTPS] == ONE
env[RACK_URL_SCHEME] = HTTPS_DOWNCASE
else
env[RACK_URL_SCHEME] = HTTP
end
status, headers, body = @app.call(env)
begin
output.write("Status: #{status.to_i}#{CRLF}")
output.write("X-Powered-By: #{PASSENGER_HEADER}#{CRLF}")
headers.each do |key, values|
if values.is_a?(String)
values = values.split("\n")
end
values.each do |value|
output.write("#{key}: #{value}#{CRLF}")
end
end
output.write(CRLF)
if body.is_a?(String)
output.write(body)
elsif body
body.each do |s|
output.write(s)
end
end
ensure
body.close if body.respond_to?(:close)
end
ensure
rewindable_input.close
end
end
end
end # module Rack
end # module PhusionPassenger