gopherproxy.rb

require 'rubygems'
require 'sinatra'
require 'gopherclient'

$types ={
  "0"=>"TXT",
  "1"=>"DIR",
  "2"=>"CSO",
  "3"=>"ERR",
  "4"=>"HEX",
  "5"=>"ARC",
  "6"=>"UUE",
  "7"=>"QUE",
  "8"=>"TEL",
  "9"=>"BIN",
  "g"=>"GFX",
  "h"=>"HTM",
  "s"=>"AUD"
}

get '/*' do |url|
  url = "gopher.robsayers.com" if !url
  output = "<form method='post' action='/go'><input size='40' name='url' value='#{url}'><input type='submit' value='Go'>"
  output += "<pre>"
  g=GopherClient.new
  host,type,path=g.parseurl(url)
  body=g.getdoc(url)
  case type
  when "0"
    output += body 
  when "1"
     res=[]
    count=1
    lines=body.split("\n")
    lines.each do |l|
      linedata = l.split("\t")
      linetype=l[0]
      desc=linedata[0][1,linedata[0].length-1]
      if type=='i' || $types[linetype].nil?  
          output +=  desc + "\n" 
      else
        output +=  "<a href='/#{linedata[2]}/#{linetype}#{linedata[1]}'>#{desc}</a>\n"
      end
    end
  end
  output
end
  
post '/go' do
  redirect "/"+params[:url],303
end