logDOOR

os.pullEvent = os.pullEventRaw
if fs.exists("login/img") then
img = paintutils.loadImage("login/img")
paintutils.drawImage(img, 1, 1)
sleep(4)
os.loadAPI("login/loginsha")
os.loadAPI("login/logsalt")
while true do
term.clear()
term.setCursorPos(1,1)
print("Secure login. Enter credentials.")
write("Username: ")
uName = read()
write("Password: ")
uPwR = read("*")
if fs.exists("login/pw.lgn") == true then
  hRPW = fs.open("login/pw.lgn", "r")
  test = hRPW.readLine()
  test2 = hRPW.readLine()
  test3 = hRPW.readLine()
  uPwRS = uPwR..test2
  uPwRSH = loginsha.sha256(uPwRS)
  if test == uName then
    if test3 == uPwRSH then
      print("Correct password.")
      redstone.setOutput("left", true)
      sleep(2)
      redstone.setOutput("left", false)
      term.clear()
      term.setCursorPos(1,1)
    else
      print("Username or password incorrect. Please try again.")
      sleep(3)
      end
  else
    print("Username or password incorrect. Please try again.")
    sleep(3)
    end
else
  print("You do not have a password file. Creating one.")
  fs.delete("login/pw.lgn")
  hMkPw = fs.open("login/pw.lgn", "w")
  write("Enter new username: ")
  NUname = read()
  write("Enter new password: ")
  NUpw = read("*")
  sl1 = logsalt.rand(150)
  NUpwF = NUpw..sl1
  NUpwFS = loginsha.sha256(NUpwF)
  hMkPw.writeLine(NUname)
  hMkPw.writeLine(sl1)
  hMkPw.writeLine(NUpwFS)
  hMkPw.close()
  print("Finished creation.")
  sleep(5)
  os.reboot()
  end
hRPW.close()
end
else
shell.run("mkdir login")
shell.run("wget https://pastebin.com/raw/PJjAybwf login/img")
shell.run("wget https://pastebin.com/raw/SuxqjP3s login/limg1")
imgc = paintutils.loadImage("login/limg1")
paintutils.drawImage(imgc, 1, 1)
sleep(1)
shell.run("wget https://pastebin.com/raw/WLvxP5Vn login/loginsha")
shell.run("wget https://pastebin.com/raw/9YW1XWXN login/logsalt")
sleep(2)
term.clear()
term.setCursorPos(1, 1)
print("Initial download complete.")
fs.copy(shell.getRunningProgram(), "login/login")
print("Set login as startup program? (y/n)")
write("Choice: ")
if read() == "y" then
fs.delete("startup")
fs.copy("login/login", "startup")
print("Set as start up file.")
elseif read() == "Y" then
fs.delete("startup")
fs.copy("login/login", "startup")
print("Set as startup file.")
end
os.reboot()
end