mirror of
https://github.com/jokob-sk/NetAlertX.git
synced 2025-12-07 01:26:11 -08:00
141 lines
4.4 KiB
Python
Executable File
141 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import sys
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import socket
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import ipaddress
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from zeroconf import Zeroconf
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INSTALL_PATH = os.getenv('NETALERTX_APP', '/app')
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sys.path.extend([f"{INSTALL_PATH}/front/plugins", f"{INSTALL_PATH}/server"])
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from plugin_helper import Plugin_Objects # noqa: E402 [flake8 lint suppression]
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from logger import mylog, Logger # noqa: E402 [flake8 lint suppression]
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from const import logPath # noqa: E402 [flake8 lint suppression]
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from helper import get_setting_value # noqa: E402 [flake8 lint suppression]
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from database import DB # noqa: E402 [flake8 lint suppression]
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from models.device_instance import DeviceInstance # noqa: E402 [flake8 lint suppression]
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import conf # noqa: E402 [flake8 lint suppression]
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from pytz import timezone # noqa: E402 [flake8 lint suppression]
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# Configure timezone and logging
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conf.tz = timezone(get_setting_value("TIMEZONE"))
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Logger(get_setting_value("LOG_LEVEL"))
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pluginName = "AVAHISCAN"
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# Define log paths
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LOG_PATH = os.path.join(logPath, "plugins")
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LOG_FILE = os.path.join(LOG_PATH, f"script.{pluginName}.log")
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RESULT_FILE = os.path.join(LOG_PATH, f"last_result.{pluginName}.log")
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# Initialize plugin results
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plugin_objects = Plugin_Objects(RESULT_FILE)
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# =============================================================================
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# Helper functions
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# =============================================================================
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def resolve_mdns_name(ip: str, timeout: int = 5) -> str:
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"""
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Attempts to resolve a hostname via multicast DNS using the Zeroconf library.
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Args:
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ip (str): The IP address to resolve.
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timeout (int): Timeout in seconds for mDNS resolution.
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Returns:
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str: Resolved hostname (or empty string if not found).
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"""
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mylog("debug", [f"[{pluginName}] Resolving mDNS for {ip}"])
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# Convert string IP to an address object
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try:
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addr = ipaddress.ip_address(ip)
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except ValueError:
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mylog("none", [f"[{pluginName}] Invalid IP: {ip}"])
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return ""
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# Reverse lookup name, e.g. "121.1.168.192.in-addr.arpa"
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if addr.version == 4:
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rev_name = ipaddress.ip_address(ip).reverse_pointer
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else:
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rev_name = ipaddress.ip_address(ip).reverse_pointer
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try:
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zeroconf = Zeroconf()
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hostname = socket.getnameinfo((ip, 0), socket.NI_NAMEREQD)[0]
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zeroconf.close()
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if hostname and hostname != ip:
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mylog("debug", [f"[{pluginName}] Found mDNS name (rev_name): {hostname} ({rev_name})"])
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return hostname
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except Exception as e:
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mylog("debug", [f"[{pluginName}] Zeroconf lookup failed for {ip}: {e}"])
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finally:
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try:
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zeroconf.close()
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except Exception:
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pass
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return ""
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# =============================================================================
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# Main logic
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# =============================================================================
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def main():
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mylog("verbose", [f"[{pluginName}] Script started"])
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timeout = get_setting_value("AVAHISCAN_RUN_TIMEOUT")
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use_mock = "--mockdata" in sys.argv
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if use_mock:
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mylog("verbose", [f"[{pluginName}] Running in MOCK mode"])
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devices = [
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{"devMac": "00:11:22:33:44:55", "devLastIP": "192.168.1.121"},
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{"devMac": "00:11:22:33:44:56", "devLastIP": "192.168.1.9"},
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{"devMac": "00:11:22:33:44:57", "devLastIP": "192.168.1.82"},
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]
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else:
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db = DB()
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db.open()
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device_handler = DeviceInstance(db)
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devices = (
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device_handler.getAll()
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if get_setting_value("REFRESH_FQDN")
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else device_handler.getUnknown()
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)
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mylog("verbose", [f"[{pluginName}] Devices count: {len(devices)}"])
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for device in devices:
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ip = device["devLastIP"]
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mac = device["devMac"]
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hostname = resolve_mdns_name(ip, timeout)
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if hostname:
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plugin_objects.add_object(
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primaryId=mac,
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secondaryId=ip,
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watched1="",
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watched2=hostname,
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watched3="",
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watched4="",
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extra="",
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foreignKey=mac,
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)
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plugin_objects.write_result_file()
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mylog("verbose", [f"[{pluginName}] Script finished"])
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return 0
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# =============================================================================
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# Entrypoint
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# =============================================================================
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if __name__ == "__main__":
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main()
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