147 lines
3.7 KiB
Ruby
147 lines
3.7 KiB
Ruby
# Donated by Florian Gross
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require 'webrick'
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require 'cgi'
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require 'stringio'
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include WEBrick
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ABSOLUTE_RAILS_ROOT = File.expand_path(RAILS_ROOT)
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class CGI
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def stdinput
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@stdin || $stdin
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end
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def env_table
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@env_table || ENV
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end
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def initialize(type = "query", table = nil, stdin = nil)
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@env_table, @stdin = table, stdin
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if defined?(MOD_RUBY) && !ENV.key?("GATEWAY_INTERFACE")
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Apache.request.setup_cgi_env
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end
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extend QueryExtension
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@multipart = false
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if defined?(CGI_PARAMS)
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warn "do not use CGI_PARAMS and CGI_COOKIES"
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@params = CGI_PARAMS.dup
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@cookies = CGI_COOKIES.dup
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else
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initialize_query() # set @params, @cookies
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end
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@output_cookies = nil
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@output_hidden = nil
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end
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end
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class DispatchServlet < WEBrick::HTTPServlet::AbstractServlet
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REQUEST_MUTEX = Mutex.new
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def self.dispatch(options = {})
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Socket.do_not_reverse_lookup = true # patch for OS X
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server = WEBrick::HTTPServer.new(:Port => options[:port].to_i, :ServerType => options[:server_type], :BindAddress => options[:ip])
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server.mount('/', DispatchServlet, options)
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trap("INT") { server.shutdown }
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require File.join(@server_options[:server_root], "..", "config", "environment") unless defined?(RAILS_ROOT)
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require "dispatcher"
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server.start
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end
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def initialize(server, options)
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@server_options = options
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@file_handler = WEBrick::HTTPServlet::FileHandler.new(server, options[:server_root])
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Dir.chdir(ABSOLUTE_RAILS_ROOT)
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super
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end
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def service(req, res)
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begin
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unless handle_file(req, res)
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REQUEST_MUTEX.lock unless ActionController::Base.allow_concurrency
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unless handle_dispatch(req, res)
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raise WEBrick::HTTPStatus::NotFound, "`#{req.path}' not found."
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end
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end
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ensure
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unless ActionController::Base.allow_concurrency
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REQUEST_MUTEX.unlock if REQUEST_MUTEX.locked?
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end
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end
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end
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def handle_file(req, res)
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begin
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req = req.dup
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path = req.path.dup
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# Add .html if the last path piece has no . in it
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path << '.html' if path != '/' && (%r{(^|/)[^./]+$} =~ path)
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path.gsub!('+', ' ') # Unescape + since FileHandler doesn't do so.
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req.instance_variable_set(:@path_info, path) # Set the modified path...
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@file_handler.send(:service, req, res)
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return true
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rescue HTTPStatus::PartialContent, HTTPStatus::NotModified => err
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res.set_error(err)
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return true
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rescue => err
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return false
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end
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end
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def handle_dispatch(req, res, origin = nil)
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data = StringIO.new
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Dispatcher.dispatch(
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CGI.new("query", create_env_table(req, origin), StringIO.new(req.body || "")),
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ActionController::CgiRequest::DEFAULT_SESSION_OPTIONS,
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data
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)
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header, body = extract_header_and_body(data)
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assign_status(res, header)
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res.cookies.concat(header.delete('set-cookie'))
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header.each { |key, val| res[key] = val.join(", ") }
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res.body = body
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return true
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rescue => err
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p err, err.backtrace
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return false
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end
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private
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def create_env_table(req, origin)
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env = req.meta_vars.clone
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env.delete "SCRIPT_NAME"
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env["QUERY_STRING"] = req.request_uri.query
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env["REQUEST_URI"] = origin if origin
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return env
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end
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def extract_header_and_body(data)
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data.rewind
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data = data.read
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raw_header, body = *data.split(/^[\xd\xa]+/on, 2)
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header = WEBrick::HTTPUtils::parse_header(raw_header)
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return header, body
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end
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def assign_status(res, header)
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if /^(\d+)/ =~ header['status'][0]
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res.status = $1.to_i
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header.delete('status')
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end
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end
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end
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