Password lockout Screen. init_code.lua

-- Required Imports
local libs = require("libs")
--

--verables
local password_true = "God"
--
-- Define the "main" function
-- This is the function we want to "protect"
local function main()
    local hash_ = "7a0c0b6d"

    if checkFileHash("disk/authenticate", hash_) then
        --sleep(0.2)
    else
        term.clear() -- clears the terminal
        term.setCursorPos(1,1) -- sets cursor postion

        printError("Security Check Failed! - Shutdown") -- prints a error message
        pcall(sleep, 5) -- sleeps for 5 seconds
        os.shutdown() -- shutdown CraftOS
    end

  while true do
    term.clear()
    term.setCursorPos(1, 1)
    write("Password:")
    local password = read("*")

    if password == password_true then
      return
    else
      printError("Incorrect password.")
      pcall(sleep, 5)
    end
  end
end

local leaveloop = true
while leaveloop do
  local ok, err = pcall(main) -- protectedly call main

  if ok then
    -- Correct password was entered!
    -- do whatever you want here
    --term.clear()
    --term.setCursorPos(1, 1)
    --shell.run("src_main.lua")
    leaveloop = false
  else
    -- There was an error! The contents of the error are stored in "err"
    if err == "Terminated" then
      printError("\nSorry, but we can't have you terminating this now can we?")
      leaveloop = true
      pcall(sleep, 2) -- pcall the sleep function since it is also terminateable.
    end
  end
end