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?? auth
?? backports
?? body_proxy.rb(958 B)
?? builder.rb(4.27 KB)
?? cascade.rb(1.34 KB)
?? chunked.rb(1.58 KB)
?? commonlogger.rb(2.28 KB)
?? conditionalget.rb(2.5 KB)
?? config.rb(379 B)
?? content_length.rb(840 B)
?? content_type.rb(670 B)
?? deflater.rb(4.57 KB)
?? directory.rb(4.2 KB)
?? etag.rb(2.11 KB)
?? file.rb(4.09 KB)
?? handler
?? handler.rb(3.25 KB)
?? head.rb(484 B)
?? lint.rb(29.26 KB)
?? lobster.rb(1.97 KB)
?? lock.rb(601 B)
?? logger.rb(357 B)
?? methodoverride.rb(1.01 KB)
?? mime.rb(30.94 KB)
?? mock.rb(5.68 KB)
?? multipart
?? multipart.rb(1.14 KB)
?? nulllogger.rb(951 B)
?? recursive.rb(1.73 KB)
?? reloader.rb(2.97 KB)
?? request.rb(12.59 KB)
?? response.rb(4.33 KB)
?? rewindable_input.rb(3.19 KB)
?? runtime.rb(961 B)
?? sendfile.rb(5.18 KB)
?? server.rb(10.8 KB)
?? session
?? showexceptions.rb(11.7 KB)
?? showstatus.rb(3.46 KB)
?? static.rb(4.88 KB)
?? tempfile_reaper.rb(670 B)
?? urlmap.rb(2.46 KB)
?? utils
?? utils.rb(20.86 KB)

Editing: directory.rb

require 'time'
require 'rack/utils'
require 'rack/mime'

module Rack
  # Rack::Directory serves entries below the +root+ given, according to the
  # path info of the Rack request. If a directory is found, the file's contents
  # will be presented in an html based index. If a file is found, the env will
  # be passed to the specified +app+.
  #
  # If +app+ is not specified, a Rack::File of the same +root+ will be used.

class Directory
    DIR_FILE = "<tr><td class='name'><a href='%s'>%s</a></td><td class='size'>%s</td><td class='type'>%s</td><td class='mtime'>%s</td></tr>"
    DIR_PAGE = <<-PAGE
<html><head>
  <title>%s</title>
  <meta http-equiv="content-type" content="text/html; charset=utf-8" />
  <style type='text/css'>
table { width:100%%; }
.name { text-align:left; }
.size, .mtime { text-align:right; }
.type { width:11em; }
.mtime { width:15em; }
  </style>
</head><body>
<h1>%s</h1>
<hr />
<table>
  <tr>
    <th class='name'>Name</th>
    <th class='size'>Size</th>
    <th class='type'>Type</th>
    <th class='mtime'>Last Modified</th>
  </tr>
%s
</table>
<hr />
</body></html>
    PAGE

attr_reader :files
    attr_accessor :root, :path

def initialize(root, app=nil)
      @root = F.expand_path(root)
      @app = app || Rack::File.new(@root)
    end

def call(env)
      dup._call(env)
    end

F = ::File

def _call(env)
      @env = env
      @script_name = env[SCRIPT_NAME]
      @path_info = Utils.unescape(env[PATH_INFO])

if forbidden = check_forbidden
        forbidden
      else
        @path = F.join(@root, @path_info)
        list_path
      end
    end

def check_forbidden
      return unless @path_info.include? ".."

body = "Forbidden\n"
      size = Rack::Utils.bytesize(body)
      return [403, {"Content-Type" => "text/plain",
        CONTENT_LENGTH => size.to_s,
        "X-Cascade" => "pass"}, [body]]
    end

def list_directory
      @files = [['../','Parent Directory','','','']]
      glob = F.join(@path, '*')

url_head = (@script_name.split('/') + @path_info.split('/')).map do |part|
        Rack::Utils.escape part
      end

Dir[glob].sort.each do |node|
        stat = stat(node)
        next  unless stat
        basename = F.basename(node)
        ext = F.extname(node)

url = F.join(*url_head + [Rack::Utils.escape(basename)])
        size = stat.size
        type = stat.directory? ? 'directory' : Mime.mime_type(ext)
        size = stat.directory? ? '-' : filesize_format(size)
        mtime = stat.mtime.httpdate
        url << '/'  if stat.directory?
        basename << '/'  if stat.directory?

@files << [ url, basename, size, type, mtime ]
      end

return [ 200, { CONTENT_TYPE =>'text/html; charset=utf-8'}, self ]
    end

def stat(node, max = 10)
      F.stat(node)
    rescue Errno::ENOENT, Errno::ELOOP
      return nil
    end

# TODO: add correct response if not readable, not sure if 404 is the best
    #       option
    def list_path
      @stat = F.stat(@path)

if @stat.readable?
        return @app.call(@env) if @stat.file?
        return list_directory if @stat.directory?
      else
        raise Errno::ENOENT, 'No such file or directory'
      end

rescue Errno::ENOENT, Errno::ELOOP
      return entity_not_found
    end

def entity_not_found
      body = "Entity not found: #{@path_info}\n"
      size = Rack::Utils.bytesize(body)
      return [404, {"Content-Type" => "text/plain",
        CONTENT_LENGTH => size.to_s,
        "X-Cascade" => "pass"}, [body]]
    end

def each
      show_path = Rack::Utils.escape_html(@path.sub(/^#{@root}/,''))
      files = @files.map{|f| DIR_FILE % DIR_FILE_escape(*f) }*"\n"
      page  = DIR_PAGE % [ show_path, show_path , files ]
      page.each_line{|l| yield l }
    end

# Stolen from Ramaze

FILESIZE_FORMAT = [
      ['%.1fT', 1 << 40],
      ['%.1fG', 1 << 30],
      ['%.1fM', 1 << 20],
      ['%.1fK', 1 << 10],
    ]

def filesize_format(int)
      FILESIZE_FORMAT.each do |format, size|
        return format % (int.to_f / size) if int >= size
      end

int.to_s + 'B'
    end

private
    # Assumes url is already escaped.
    def DIR_FILE_escape url, *html
      [url, *html.map { |e| Utils.escape_html(e) }]
    end
  end
end

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