+++ /dev/null
-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}, [body]]
- end
-
- def list_directory
- @files = [['../','Parent Directory','','','']]
- glob = F.join(@path, '*')
-
- Dir[glob].sort.each do |node|
- stat = stat(node)
- next unless stat
- basename = F.basename(node)
- ext = F.extname(node)
-
- url = F.join(@script_name, @path_info, 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}, [body]]
- end
-
- def each
- show_path = @path.sub(/^#{@root}/,'')
- files = @files.map{|f| DIR_FILE % 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
- end
-end
projects / feedcatcher.git / blobdiff