DuoStep - SETUP

local ver = "0.2"
local server = "QsUB5kWK"
local client = "ccypr5E0"
local vo = nil
local valid = false

if not http then
    printError("You must enable the http API in the ComputerCraft.cfg file to download DuoStep.")
    vo = false
end

while not vo do
  term.setBackgroundColor(colors.black)
  term.setTextColor(colors.white)
  term.setCursorPos(1,1)
  term.clear()
  print("DuoStep - Setup  v"..ver)
  print("")
  print("1: Install Server")
  print("2: Install Client")
  print("3: Exit")
  option = read()
  if option == "1" then
    vo = true
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.setCursorPos(1,1)
    term.clear()
    print("DuoStep - Setup v"..ver)
    print("")
    term.write("Save as: ")
    local file = read()
    local _,y = term.getCursorPos()
    term.setCursorPos(1,y+1)
    print("Downloading server as "..file.."...")
    resp = http.get("http://pastebin.com/raw.php?i="..server)
    if resp then
        handler=io.open(file,"w")
        handler:write(resp.readAll())
        handler:close()
        print("Success! DuoStep Server v"..ver.." has been installed.")
    else
        printError("An error occurred, DuoStep Server v"..ver.." could not be installed at this time.")
    end
  elseif option == "2" then
    vo = true
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.setCursorPos(1,1)
    term.clear()
    print("DuoStep - Setup v"..ver)
    print("")
    term.write("Save as: ")
    local file = read()
    local _,y = term.getCursorPos()
    term.setCursorPos(1,y+1)
    print("Downloading client as "..file.."...")
    resp = http.get("http://pastebin.com/raw.php?i="..client)
    if resp then
        handler=io.open(file,"w")
        handler:write(resp.readAll())
        handler:close()
        print("Success! DuoStep Client v"..ver.." has been installed.")
    else
        printError("An error occurred, DuoStep Client v"..ver.." could not be installed at this time.")
    end
  else
    printError("Not a valid option!")
    sleep(3)
  end
end