#!/usr/bin/env lua

require 'helper'
require 'token'
require 'config'

function fail(msg)
    print "Status: 423 Locked"
    print ""
    print("Error: " .. msg)
end

print "Content-Type: text/plain"

token = os.getenv("QUERY_STRING")

if token == nil or token == "" then
    fail("No token given")
  else
    if token:sub(1, 2) == "t=" then
      token = token:sub(3)
    end

    if token:len() == config.key_len then
        print ""
        id = check_token(token)
        token = generate_token()
        if id ~= false then
          add_token(id, token)
          qspawn("door")
        end
        print(token)
      else
        fail("Invalid token")
    end

end