mongrel-web.rb

   1 #!/usr/bin/ruby
   2 # Web server for viewing zdump files.
   3 # By Stian Haklev (shaklev@gmail.com), 2007
   4 # Released under MIT and GPL licenses
   5 #
   6 # Usage:
   7 # ruby mongrel-web.rb <zdumpfile> <path-prefix>
   8
   9 %w(cgi rubygems mongrel zarchive htmlshrinker).each {|x| require x}
  10
  11 # from http://railsruby.blogspot.com/2006/07/url-escape-and-url-unescape.html
  12 def url_unescape(string)
  13   string.tr('+', ' ').gsub(/((?:%[0-9a-fA-F]{2})+)/n) do
  14     [$1.delete('%')].pack('H*')
  15   end
  16 end
  17
  18 Archive = ZArchive.new(ARGV[0])
  19 template = Archive.get_article('__Zdump_Template__')
  20 Htmlshrink = HTMLExpander.new(template, Archive, Basename)
  21 Cache = {}
  22 class SimpleHandler < Mongrel::HttpHandler
  23   def process(req, resp)
  24     t = Time.now
  25     url = url_unescape(req.params['PATH_INFO'][1..-1])
  26     url = "index.html" if url.empty?
  27
  28     # if style/js
  29     if url.match(/(raw|skins|images)\/(.*?)$/)
  30       url = Regexp::last_match[0]
  31       if Cache[url]
  32         text = Cache[url]
  33       else
  34         text = Archive.get_article(url)
  35         return if text.nil?
  36         line1, line2 = text.split("\n",2)
  37         text = line2 if line1 == 'Unnamed'
  38         Cache[url] = text
  39       end
  40       resp.write text
  41     else
  42       txt = Archive.get_article(url)
  43       resp.write txt.nil? ? "Sorry, article #{url} not found" : Htmlshrink.uncompress(txt)
  44     end
  45     puts "Got #{url} in #{"%2.3f" % (Time.now - t)} seconds."
  46   end
  47 end
  48
  49
  50 h = Mongrel::HttpServer.new("0.0.0.0", "2042")
  51 h.register("/", SimpleHandler.new)
  52
  53 puts "Webserver started, serving at http://localhost:2042/"
  54 h.run.join