vault

side = "left"

function save(usr,pass)
  h = fs.open("users/"..usr.."/password","w")
  h.writeLine(pass)
  h.close()
end

function check(usr,pass)
  if usr == "changeme" then
    return "admin"
  end
  if not fs.exists("users/"..usr.."/password") then
    return "nousr"
  end
  c = fs.open("users/"..usr.."/password","r")
  if pass == c.readLine() then
    return true
  else
    return false
  end
end

while true do
  term.clear()
  term.setCursorPos(1,1)
  term.write("Input Username: ")
  username = read()
  term.setCursorPos(1,2)
  term.write("Input Password: ")
  password = read("*")
    result = check(username,password)
    if result == true then
      redstone.setOutput(side,true)
      sleep(2)
      redstone.setOutput(side,false)
    elseif result == "admin" then
      term.clear()
      term.setCursorPos(1,1)
      term.write("Input new Account username: ")
      newUser = read()
      term.setCursorPos(1,2)
      term.write("Input passowrd for account "..newUser..": ")
      newPass = read("*")
      save(newUser,newPass)
    elseif result == false then
      print("Invalid password")
      sleep(2)
    elseif result == "nousr" then
      print("No such user")
      sleep(2)
    end
end