startup

function isFirstTime()
   if not fs.exists("/.complete") then
     return true
   else
    return false
   end
end

function completeSetup()
   file = fs.open("/.complete", "w")
   file.write("true")
   file.close()
end

local rdirs = {
              "/router",
              "/router/encryption"
}

term.clear()
term.setCursorPos(1,1)
if isFirstTime() then
  for _,dir in ipairs(rdirs) do
     fs.makeDir(dir)
  end
  local olddir = shell.dir()
  shell.setDir("/router/encryption")
  shell.run("pastebin get 6UV4qfNF sha256")
  shell.setDir(olddir)
  os.loadAPI("/router/encryption/sha256")
  term.clear()
  term.setCursorPos(1,1)
  print("Welcome to Wi-Fi Setup!")
  print()
  term.write("AP: ")
  ap = read()
  term.write("Pass: ")
  pass = read("*")
  print()
  print("Processing...")
  local salt = "stuff"
  local hash = sha256.pbkdf2(pass, salt, 100):toHex()
  file = fs.open(fs.combine("/router/", "pass"), "w")
  file.write(hash)
  file.close()
  file = fs.open(fs.combine("/router/", "ap"), "w")
  file.write(ap)
  file.close()
  print()
  print("Would you like to have a sign-in screen? (Y/N)")
  result = read()
  if result == "Y" or result == "y" then
    term.write("User: ")
    user = read()
    term.write("Pass: ")
    pass = read()
    file = fs.open(fs.combine("/router/", "signin"), "w")
    file.write("function allowInternet()")
    file.write('rednet.broadcast("allowinternet")')
    file.write("term.clear()")
    file.write("term.setCursorPos(1,1)")
    file.write("end")
    file.write('file = fs.open(fs.combine("/router/", "ap"), "w")')
    file.write("local ap = file.readAll()")
    file.write('file.close()')
    completeSetup()
    os.reboot()
  elseif result == "N" or result == "n" then
    completeSetup()
    os.reboot()
  end
end