Dan-Q

#!/usr/bin/env ruby
# encoding: utf-8

CHARS = %w{                            ​ ‌ ‍     　}

def encode(string)
  string.chars.map{|c|"#{CHARS[c[0]/16]}#{CHARS[c[0]%16]}"}.join
end

program = <<-EOF

rkh

# coding: utf-8
require 'sinatra'
set server: 'thin', connections: []

get '/' do
  halt erb(:login) unless params[:user]
  erb :chat, locals: { user: params[:user].gsub(/\W/, '') }
end

get '/stream', provides: 'text/event-stream' do