shell words escape

params.rb

require 'rubygems'
require 'sinatra'
require 'pry'

# run with: 
#   ruby params.rb
# test route example: http://localhost:4567/blah/blee!!;;;

get '/:test/:test2' do
  sanitize_params
  return @params.inspect
end

def sanitize_params
  if @params.size > 0
    @params = shell_escape_hash(@params)
  end
end

def shell_escape_hash(input_hash={})
  input_hash = input_hash.inject({}) do |c,(k,v)|
    if v.class == Array
      c[k] = v.map{|e| Shellwords.escape(e)}
    elsif v.class == Hash
      # Yay recursion!
      c[k] = shell_escape_hash(v)
    else
      c[k] = Shellwords.escape(v)
    end
    c
  end
end