login/login

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("SecureDoor. Please 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.")
      sleep(3)
      term.clear()
      term.setCursorPos(1,1)
      break
    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(250)
  sl1l = sl1
  NUpwF = NUpw..sl1l
  NUpwFS = loginsha.sha256(NUpwF)
  hMkPw.writeLine(NUname)
  hMkPw.writeLine(sl1)
  hMkPw.writeLine(NUpwFS)
  hMkPw.close()
  print("Finished creation.")
  sleep(2)
  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/WLvxP5Vn login/loginsha")
shell.run("wget https://pastebin.com/raw/9YW1XWXN login/logsalt")
print("Initial download complete. Ready to run.")
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