captcha.sk

options:
  bypass: anticaptcha.bypass
  kickmessage: &4Failed Captcha
  chatmessage: &4You May Not send a message till you prove Captcha
  movemessage: &4You May Not move till you prove Captcha
  time: 10 
           # (to kick him if he doesnt answer in this time span counted in seconds) 

on join:
  if player has permission "{@bypass}":
    stop
  else:
    set {captcha::code::%player's uuid%} to random 8 char string from charset `a-zA-Z0-9`
    set {captcha::%player's uuid%} to true
    loop {@time} times:
      send action bar "&9CAPTCHA CODE: &a&l%{captcha::code::%player's uuid%}%" to player
      wait 1 second
    if {captcha::%player's uuid%} is true:
      kick player due to "{@kickmessage}"

on chat:
  if {captcha::%player's uuid%} is true:
    if message is "%{captcha::code::%player's uuid%}%":
      set {captcha::%player's uuid%} to false
    else:
      cancel event
      send "{@chatmessage}" to player

on any movement:
  if {captcha::%player's uuid%} is true:
    cancel event
    send "{@kickmessage}" to player

on quit:
  delete {captcha::%player's uuid%}