import urllib.request
import ssl

ctx = ssl.create_default_context()
ctx.check_hostname = False
ctx.verify_mode = ssl.CERT_NONE

url = "https://sn-nas.snarfnet.net/webapi/entry.cgi?api=SYNO.Core.Desktop.SessionData&version=1&method=getjs&SynoToken=&v=1779933775"
req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)'})
try:
    with urllib.request.urlopen(req, context=ctx, timeout=8) as resp:
        print("Status:", resp.status)
        print("Headers:", dict(resp.headers))
        content = resp.read().decode('utf-8', errors='ignore')
        print("Script length:", len(content))
        print("Script preview:\n", content[:300])
except urllib.error.HTTPError as e:
    print(f"HTTP Error {e.code}:", e.read().decode('utf-8', errors='ignore')[:300])
except Exception as e:
    print("Error:", e)