#!/usr/bin/env python3
# printer_firmware_server.py - Simulated printer that fetches updates over HTTP
import requests, hashlib, os

FIRMWARE_URL = "http://updates.printer.local/firmware.bin"
CURRENT_VERSION = 1.0

def check_update():
    try:
        r = requests.get(FIRMWARE_URL, timeout=5)
        if r.status_code == 200:
            firmware = r.content
            # No signature verification! Just check hash?
            # Insecure: any file can be flashed.
            with open("/tmp/firmware.bin", "wb") as f:
                f.write(firmware)
            print("Firmware downloaded and saved. (In real printer, it would be flashed.)")
    except Exception as e:
        print("Update check failed:", e)

if __name__ == '__main__':
    check_update()