--variables
local loadPath = "locker/locked"
local prog = shell.getRunningProgram()
local locked = {"startup"}
local pass = "test"
-- restore functions
local fsOpen = fs.open
local fsDelte = fs.delete


table.insert(locked, prog)
-- functions
function clear()
term.clear()
term.setCursorPos(1,1)
end
function cPrint(str)
w,h = term.getSize()
local x,y = term.getCursorPos()
term.setCursorPos(math.ceil((w+1)/2 - #str/2), y)
  print(str)
end
function password(file)
print("You Can Enter A Password To Undo This")
write("Enter Password: ")
  if pass == read() then
  -- remove program from locked
    for k, v in pairs(locked) do
      if v == file then
      table.remove(locked, k)
      end
    end
	print("Program Unlocked!")
	lock()
  end
end


function load() -- continue later

end
function lock()
  -- open
  fs.open = function(file, mode)
    for _, v in pairs(locked) do
      if file == v then
	  clear()
	  cPrint("This Program Has Been Locked\nYou Cannot Open It!")
	  password(v)
	  return false
	  end
	end
	return fsOpen(file,mode)
  end

  -- delete
  fs.delete = function(file)
    for _, v in pairs(locked) do
      if file == v then
      clear()
      cPrint("This Program Has Been Locked \nYou Cannot Delete It!")
	  password()
	  return false
	  end
	end
  return fsDelete(file)
  end



end
lock()