Client.lua

--Variables--
User = nil
Pass = nil
A = nil
Init = nil

local function Reset()
shell.run("clear")
term.setBackgroundColor(colors.blue)
term.clear()
term.setTextColor(colors.white)
textutils.slowPrint("Banking System")
end

local function Login()
term.setCursorPos(10 , 10)
print("Username:")
term.setCursorPos(10 , 11)
print("Password:")
term.setCursorPos(20 , 10)
User = read()
term.setCursorPos(20 , 11)
Pass = read("*")
end

local function Check()
if fs.exists("disk/Users/"..User) == true then
h = fs.open("disk/Users/"..User, "r")
A = h.readAll() else
Reset()
term.setCursorPos(10 , 10)
textutils.slowPrint("User does not exist")
sleep(3)
term.setCursorPos(10 , 10)
term.clearLine()
Login()
end
end

local function Verify()
if A == Pass then
Reset()
term.setCursorPos(45 , 1)
term.setTextColor(colors.green)
print(""..User)
term.setBackgroundColor(colors.blue)
term.setTextColor(colors.white)
term.setCursorPos(10 , 10) else
Reset()
term.setCursorPos(10 , 10)
textutils.slowPrint("Incorrect password")
sleep(2)
term.setCursorPos(10 , 10)
term.clearLine()
shell.run("disk/Client.lua")
end
end

local function Initialize()
local h = fs.open("disk/Init.lua", "r")
Init = h.readAll()
h.close()
if Init == "true" then
term.setCursorPos(1 , 8)
textutils.slowPrint("Enter new credentials")
sleep(2)
Login()
if fs.exists("disk/Users/"..User) == true then
Reset()
term.setCursorPos(10 , 10)
textutils.slowPrint("Invalid Username")
sleep(2)
Reset()
Initialize() else
h = fs.open("disk/Users/"..User , "w")
h.writeLine(""..Pass)
h.close()
Reset()
term.setCursorPos(7 ,10)
textutils.slowPrint("Computer will reboot to load credentials")
sleep(3)
fs.delete("disk/Init.lua")
local h = fs.open("disk/Init.lua" , "w")
h.writeLine("false")
shell.run("reboot")
end
end
end

Reset()
Initialize()
Login()
Check()
Verify()