dotfiles / bin / anonftpd

#!/usr/bin/env ruby

require "ftpd"
require "socket"

class Driver
  def initialize
    @temp_dir = Dir.pwd
  end
  def authenticate(user, password)
    true
  end
  def file_system(user)
    Ftpd::DiskFileSystem.new(@temp_dir)
  end
end

int = `route -n get default`.split("\n").select{|l| l.match(/interface:/) }.
  first.gsub(/.*: /, "")
ip = `ifconfig #{int} | grep 'inet '`.split("\n")[0].gsub(/.*inet /, "").
  gsub(/ .*/, "").strip

server = Ftpd::FtpServer.new(Driver.new)
server.log = Logger.new(STDOUT)
server.interface = "0.0.0.0"

if Process.uid == 0 || `uname -s`.strip == "Darwin"
  server.port = 21
else
  server.port = 2121
end

puts "ftpd listening on #{ip}:#{server.port}"

server.start
while true do
  gets
end