A simple HTTP Server in Ruby

httpd.rb

#!/usr/bin/env ruby
# 
# Author: Sabri (@KINGSABRI)
# 
require 'webrick'
require 'webrick/https'
require 'optparse'

options = {
  ip:      '0.0.0.0',
  port:    8080,
  log:     File::NULL,
  https:   false,
  rlookup: true
}
opts = OptionParser.new do |opts|
  opts.banner = "Usage: #{__FILE__} [options]"
  opts.on("-i", "--ip [IP_ADDR]", "IP address to bind to.", "  (default: #{options[:ip]})") {|v| options[:ip] = v}
  opts.on("-p", "--port [NUM]", "Port number to listen on.", Integer, "  (default: #{options[:port]})") {|v| options[:port] = v}
  opts.on("-f", "--file [PATH]", "Root File or directory to share.") {|v| options[:root] = v}
  opts.on("-l", "--log [LOG_FILE]", "Log server logs to a file.", "  (default: #{options[:log]})") {|v| options[:log] = v}
  opts.on("-s", "--https", "Enable HTTPs instead of HTTP.", "  (default: #{options[:https]})")  {|v| options[:https] = v}
  opts.on("-r", "--reverse-lookup", "Enable reverse lookup.", "  (default: false)") {|v| options[:rlookup] = v}
  opts.on('-h', '--help', 'Display this screen.') do
    puts opts
    exit!
  end
  opts.on_tail "Examples:"
  opts.on_tail "  #{__FILE__} -f /var/www/ -p 8080 --https -l /var/log/httpd.log"
end


opts.parse!(ARGV)

config = {:ServerName => 'BB'}

if options[:ip]
  config[:BindAddress] = options[:ip]
end

if options[:port]
  config[:Port] = options[:port]
end

if options[:root]
  config[:DocumentRoot] = options[:root]
else
  puts "[!] Error: Missing '--file' option."
  puts opts
  exit! 
end

if options[:https]
  cert = [ %w[CN localhost] ]
  config[:SSLEnable]   = true
  config[:SSLCertName] = cert
end

if options[:log]
  config[:AccessLog] = []
  config[:Logger] = WEBrick::Log.new(File.open(options[:log], 'w'))
end

if options[:rlookup]
  config[:DoNotReverseLookup] = options[:rlookup]
end

begin
  WEBrick::HTTPServer.new(config).start
rescue Exception => e
  puts e 
end