cloud

function center(sText)
    local w, h = term.getSize()
    local x, y = term.getCursorPos()
    x = math.max(math.floor(( w / 2) - (#sText / 2)), 0)
    term.setCursorPos(x, y)
    print(sText)
end
rednet.open("top")
term.setBackgroundColor(colors.blue)
term.clear()
term.setCursorPos(1,1)
center("HouseCloud")
term.setCursorPos(22,8)
term.setBackgroundColor(colors.lightBlue)
print("Login")
term.setCursorPos(20,10)
print("Register")
term.setCursorPos(22, 15)
print("Exit")
while true do
local event, button, x, y = os.pullEvent("mouse_click")
if x >= 22 and x < 27 and y == 15 then
   term.setBackgroundColor(colors.black)
   term.clear()
   term.setCursorPos(1,1)
   break
elseif x >= 22 and x < 28 and y == 8 then
    term.clear()
    term.write("Username: ")
    user = read()
    term.write("Password: ")
    pass = read("*")
    print("Logging in...")
    rednet.broadcast("login", user, pass)
    id, message = rednet.receive()
    if message == "nousrexist" then
       print(user, " does not exist!")
       os.sleep(1)
       os.reboot()
    elseif message == "sendestring" then
        local tmpkey = encryption.generateKey(30) -- Makes Session Key
        local key = tostring(tmpkey)
        rednet.broadcast("estringsent", key)
        print("Sucessful!")
    end
  end
end