-- Cabriolaile's login program v1.0
-- Author: Vortex
-- Program type: Computer, 1.5, security
-- Version: 1.0
-- Language used: Lua
while true do
  os.pullEvent = os.pullEventRaw
  term.clear()
  term.setCursorPos(1,1)
  if term.isColor then
        term.setTextColor(colors.blue)
  end
  print("CraftOS Login v1.0 by Vortex")
  if term.isColor then
        term.setTextColor(colors.white)
  end
  print("Please identify yourself.")
  local user="Steve" -- Replace it with your username
  local pass="Password" -- Replace it with your own password.
  term.setCursorPos(3,4)
  write("Username: ")
  term.setCursorPos(3,5)
  write("Password: ")
  term.setCursorPos(5,7)
  write("Username: ")
  input=read()
  if input == user then
        term.setCursorPos(3,4)
        term.clearLine()
        write("Username: "..user)
        term.setCursorPos(5,7)
        term.clearLine()
        write("Password: ")
        input=read("*")
        -- input=read()
        if input == pass then
          term.setCursorPos(3,5)
          term.clearLine()
          write("Password: [hidden]")
          -- write("Password: "..pass)
          term.setCursorPos(5,7)
          if term.isColor then
                term.setTextColor(colors.lime)
          end
          write("Password correct! Access granted!")
          sleep(2)
          term.setCursorPos(1,1)
          term.clear()
        else
          term.setCursorPos(3,7)
          term.clearLine()
          if term.isColor then
                term.setTextColor(colors.red)
          end
          write("Password not correct. Access denied!")
          sleep(2)
        end
  else
        term.setCursorPos(5,7)
        term.clearLine()
        if term.isColor then
          term.setTextColor(colors.red)
        end
        write("User doesn't exist! Access denied!")
        sleep(2)
  end
end