Sinatra File Server for serving Videos & Images

server.rb

$:.unshift File.expand_path("#{File.dirname(__FILE__)}")
APP_ROOT = File.expand_path(File.dirname(__FILE__))
puts APP_ROOT
require 'sinatra'

get '*' do
  rpath=File.join(APP_ROOT,params[:splat][0][1..-1])
  mimetype = `file -Ib #{rpath}`.gsub(/\n/,"")
  puts "serving #{rpath} with mimetype #{mimetype}"
  send_file rpath, :stream=>true, :type=>mimetype, :disposition=>:inline
end