Sinatra Proxy

proxy.rb

res = Net::HTTP.start(<server>,<port>) do |http|
  http.get <url>
end
res.body

server.rb

require 'rubygems'

require 'sinatra'
require 'net/http'
require 'cgi'
require 'uri'

# blindly serve index.html
get "/" do
  File.read('index.html')
end

# proxy to the remote
get "/remote/*" do
  content_type 'application/json'
  url    = params[:splat].first.split('/')
  server = url.shift.split(":")
  url    = url.join('/')
  
  params.delete('splat')
  params.delete('_dc')
  
  res = Net::HTTP.start(server.first,server.last || 80) do |http|
    http.get "/#{url}?#{urlencode params}"
  end
  res.body
end

def urlencode(param)
  items = []
  
  params.each do |key,value|
    if value.class == Array
      value.each do |x|
        items.push "#{CGI.escape key.to_s}[]=#{CGI.escape x.to_s}"
      end
    else
      items.push "#{CGI.escape key.to_s}=#{CGI.escape value.to_s}"
    end
  end
  
  items.join '&'
end