bin/fuzed-adapter

   1 #!/usr/bin/env ruby
   2
   3 rails_root = ARGV[0]
   4
   5 require File.join(rails_root, 'config/boot')
   6 require RAILS_ROOT + "/config/environment"
   7
   8 require 'erlectricity'
   9 require 'stringio'
  10 require 'logger'
  11
  12 LOG = true
  13
  14 $total_avg = [0, 0]
  15 $rails_avg = [0, 0]
  16 $logger = Logger.new(RAILS_ROOT + "/log/fuzed.#{Process.pid}.log")
  17
  18 def log(msg)
  19   $logger << msg + "\n"
  20 end
  21
  22 module Rack
  23   module Handler
  24     class Fuzed
  25       def self.run(app)
  26         Fuzed.new(app).listen
  27       end
  28
  29       def initialize(app)
  30         @app = app
  31       end
  32
  33       def listen
  34         log "Waiting for connections" if LOG
  35
  36         me = self
  37
  38         receive(IO.new(3), IO.new(4)) do |f|
  39           f.when(:request, Array) do |request|
  40             $t = Time.now
  41             log('------------MATCH------------')
  42             log request.inspect
  43             res = me.service(request)
  44
  45             # res = [:response,
  46             # [[:status, 200],
  47             #  [:allheaders, [
  48             #    [:header, "Content-Type", "text/plain; charset=utf-8"],
  49             #    [:header, "Cache-Control", "no-cache"]]],
  50             #  [:html, "ok"]]]
  51
  52             f.send!(res)
  53             total_delta = Time.now - $t
  54             $total_avg[0] += total_delta
  55             $total_avg[1] += 1
  56             log(">> Total in #{total_delta} (#{$total_avg[0] / $total_avg[1]} avg) sec\n") if LOG
  57             f.receive_loop
  58           end
  59
  60           f.when(:ping) do
  61             f.send!(:pong)
  62             f.receive_loop
  63           end
  64
  65           f.when(Any) do |obj|
  66             log('------------NO-MATCH------------') if LOG
  67             log any.inspect if LOG
  68             f.receive_loop
  69           end
  70         end
  71       end
  72
  73       def service(vars)
  74         request = vars.inject({}) { |a, x| a[x[0]] = x[1]; a }
  75
  76         method = request[:method]
  77         version = request[:http_version] # => e.g. [1, 1]
  78         path = request[:querypath]
  79         query = request[:querydata] == :undefined ? '' : request[:querydata]
  80         server = request[:servername]
  81         headers = request[:headers]
  82         cookies = request[:cookies]
  83         postdata = request[:postdata] == :undefined ? '' : request[:postdata]
  84
  85         translate = {:content_type => 'CONTENT_TYPE',
  86                      :content_length => 'CONTENT_LENGTH',
  87                      :accept => 'HTTP_ACCEPT',
  88                      :'Accept-Charset' => 'HTTP_ACCEPT_CHARSET',
  89                      :'Accept-Encoding' => 'HTTP_ACCEPT_ENCODING',
  90                      :'Accept-Language' => 'HTTP_ACCEPT_LANGUAGE',
  91                      :connection => 'HTTP_CONNECTION',
  92                      :keep_alive => 'HTTP_KEEP_ALIVE',
  93                      :host => 'HTTP_HOST',
  94                      :referer => 'HTTP_REFERER',
  95                      :user_agent => 'HTTP_USER_AGENT',
  96                      'X-Prototype-Version' => 'HTTP_X_PROTOTYPE_VERSION',
  97                      'X-Requested-With' => 'HTTP_X_REQUESTED_WITH'}
  98
  99         env = {}
 100         env['REQUEST_METHOD'] = method.to_s
 101         env['QUERY_STRING'] = query
 102         env["PATH_INFO"] = path == '/' ? '' : path
 103         env = headers.inject(env) { |a, x| a[translate[x[0]] || x[0].to_s] = x[1]; a }
 104         env.delete_if { |k, v| v.nil? }
 105
 106         env.update({"rack.version" => [0, 1],
 107                     "rack.input" => StringIO.new(postdata),
 108                     "rack.errors" => STDERR,
 109
 110                     "rack.multithread" => true,
 111                     "rack.multiprocess" => false,
 112                     "rack.run_once" => false,
 113
 114                     "rack.url_scheme" => ["yes", "on", "1"].include?(ENV["HTTPS"]) ? "https" : "http"
 115                   })
 116
 117         env['SERVER_NAME'] = server.split(':')[0]
 118         env['SERVER_PORT'] = server.split(':')[1]
 119         env['HTTP_VERSION'] = version.join('.')
 120
 121         env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
 122         env["QUERY_STRING"] ||= ""
 123         env["REQUEST_PATH"] ||= "/"
 124         env.delete "PATH_INFO" if env["PATH_INFO"] == ""
 125
 126         cookies.each do |cookie|
 127           env["HTTP_COOKIE"] = cookie.to_s
 128         end
 129
 130         log('------------IN------------') if LOG
 131         log(env.inspect) if LOG
 132
 133         begin
 134           t1 = Time.now
 135
 136           # status = '200'
 137           # headers = {}
 138           # body = ['foo']
 139
 140           status, headers, body = @app.call(env)
 141
 142           rails_delta = Time.now - t1
 143           $rails_avg[0] += rails_delta
 144           $rails_avg[1] += 1
 145           log(">> Rails in #{rails_delta} (#{$rails_avg[0] / $rails_avg[1]} avg) sec") if LOG
 146
 147           html = ''
 148           body.each do |part|
 149             html << part
 150           end
 151
 152           headers['Server'] = 'YAWS + Fuzed 0.0.1'
 153           headers['Connection'] = 'close'
 154
 155           cookies = headers.delete('cookie')
 156           #cookies.map! {|c| c.include?('path=') ? c : c + "; path=/"}
 157           headers['Set-Cookie'] = cookies if cookies
 158
 159           # p headers
 160
 161           status = (headers["Status"].split(" ").first rescue nil) || status
 162           headers.delete("Status") if headers["Status"]
 163
 164           res =
 165           [:response,
 166            [[:status, status.to_i],
 167             [:allheaders, headers.inject([]) { |a, x| a += x[1].map { |y| [:header, x[0], y] } }],
 168             [:html, html]]]
 169         rescue => e
 170           res =
 171           [:response,
 172             [[:status, 500],
 173              [:allheaders, [
 174                [:header, "Content-Type", "text/plain; charset=utf-8"],
 175                [:header, "Cache-Control", "no-cache"]]],
 176              [:html, "500 Internal Error\n\n#{e}\n\n#{e.backtrace}"]]]
 177         end
 178
 179         log('-----------OUT------------') if LOG
 180         log(res.inspect) if LOG
 181
 182         res
 183       end
 184     end
 185   end
 186 end
 187
 188 ###############################################################################
 189
 190 unless defined? RAILS_ROOT
 191   raise "Rails' environment has to be loaded before using Rack::Adapter::Rails"
 192 end
 193
 194 require "rack/request"
 195 require "rack/response"
 196 require "dispatcher"
 197
 198 module Rack
 199   module Adapter
 200     class Rails
 201       def call(env)
 202         request = Request.new(env)
 203         response = Response.new
 204
 205         cgi = CGIStub.new(request, response)
 206
 207         Dispatcher.dispatch(cgi, ActionController::CgiRequest::DEFAULT_SESSION_OPTIONS, response)
 208
 209         response.finish
 210       end
 211
 212       protected
 213
 214       class CGIStub < ::CGI
 215
 216         def initialize(request, response, *args)
 217           @request = request
 218           @response = response
 219           @args = *args
 220           @input = request.body
 221           super(*args)
 222         end
 223
 224         IGNORED_HEADERS = [ "Status" ]
 225
 226         def header(options = "text/html")
 227           # puts 'header---------------'
 228           # p options
 229           # puts '---------------------'
 230
 231           if options.instance_of?(String)
 232             @response['Content-Type'] = options unless @response['Content-Type']
 233           else
 234             @response['Content-Length'] = options.delete('Content-Length').to_s if options['Content-Length']
 235
 236             @response['Content-Type'] = options.delete('type') || "text/html"
 237             @response['Content-Type'] += "; charset=" + options.delete('charset') if options['charset']
 238
 239             @response['Status'] = options.delete('Status') if options['Status']
 240             @response['Content-Language'] = options.delete('language') if options['language']
 241             @response['Expires'] = options.delete('expires') if options['expires']
 242
 243             IGNORED_HEADERS.each {|k| options.delete(k) }
 244
 245             options.each{|k,v| @response[k] = v}
 246
 247             # convert 'cookie' header to 'Set-Cookie' headers
 248             if cookie = @response['cookie']
 249               case cookie
 250                 when Array
 251                   cookie.each {|c| @response['Set-Cookie'] = c.to_s }
 252                 when Hash
 253                   cookie.each_value {|c| @response['Set-Cookie'] = c.to_s}
 254                 else
 255                   @response['Set-Cookie'] = options['cookie'].to_s
 256               end
 257
 258               @output_cookies.each { |c| @response['Set-Cookie'] = c.to_s } if @output_cookies
 259             end
 260           end
 261
 262           ""
 263         end
 264
 265         def params
 266           @params ||= @request.params
 267         end
 268
 269         def cookies
 270           @request.cookies
 271         end
 272
 273         def query_string
 274           @request.query_string
 275         end
 276
 277         # Used to wrap the normal args variable used inside CGI.
 278         def args
 279           @args
 280         end
 281
 282         # Used to wrap the normal env_table variable used inside CGI.
 283         def env_table
 284           @request.env
 285         end
 286
 287         # Used to wrap the normal stdinput variable used inside CGI.
 288         def stdinput
 289           @input
 290         end
 291
 292         def stdoutput
 293           STDERR.puts "stdoutput should not be used."
 294           @response.body
 295         end
 296       end
 297     end
 298   end
 299 end
 300
 301 ###############################################################################
 302
 303 require 'rack'
 304 require 'rack/cascade'
 305 require 'rack/showexceptions'
 306 # Rack::Handler::Fuzed.run \
 307 #   Rack::ShowExceptions.new(Rack::Lint.new(Rack::Adapter::Rails.new))
 308
 309 if ARGV.first != 'test'
 310   Rack::Handler::Fuzed.run(Rack::Adapter::Rails.new)
 311 else
 312   req =
 313   [[:method, :POST], [:http_version, [1, 1]], [:querypath, "/main/go"], [:querydata, ""], [:servername, "testing:8002"], [:headers, [[:connection, "keep-alive"], [:accept, "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5"], [:host, "localhost:8002"], [:referer, "http://localhost:8002/main/ready"], [:user_agent, "Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3"], [:keep_alive, "300"], [:content_length, "7"], [:content_type, "application/x-www-form-urlencoded"], [:"Cache-Control", "max-age=0"], [:"Accept-Charset", "ISO-8859-1,utf-8;q=0.7,*;q=0.7"], [:"Accept-Encoding", "gzip,deflate"], [:"Accept-Language", "en-us,en;q=0.5"]]], [:cookies, ["_helloworld_session_id=d3eae987aab3230377abc433b7a8d7c1"]], [:pathinfo, "/Users/tom/dev/fuzed/helloworld/public"], [:postdata, "val=foo"]]
 314
 315   # [[:method, :GET], [:http_version, [1, 1]], [:querypath, "/main/say"], [:querydata, ""], [:servername, "testing:8002"], [:headers, [[:connection, "keep-alive"], [:accept, "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5"], [:host, "localhost:8002"], [:user_agent, "Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3"], [:keep_alive, "300"], [:"Cache-Control", "max-age=0"], [:"Accept-Charset", "ISO-8859-1,utf-8;q=0.7,*;q=0.7"], [:"Accept-Encoding", "gzip,deflate"], [:"Accept-Language", "en-us,en;q=0.5"]]], [:cookies, ["_helloworld_session_id=166098a3c3f702698d0529c6148c6164"]], [:pathinfo, "/Users/tom/dev/fuzed/helloworld/public"], [:postdata, :undefined]]
 316
 317   p Rack::Handler::Fuzed.new(Rack::Adapter::Rails.new).service(req)
 318 end