mirror of
https://github.com/jokob-sk/NetAlertX.git
synced 2025-12-07 09:36:05 -08:00
146 lines
5.2 KiB
Python
Executable File
146 lines
5.2 KiB
Python
Executable File
#!/usr/bin/env python
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import os
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import pathlib
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import argparse
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import sys
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import hashlib
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import csv
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import subprocess
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import re
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import base64
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import sqlite3
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from io import StringIO
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from datetime import datetime
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sys.path.append("/home/pi/pialert/front/plugins")
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sys.path.append('/home/pi/pialert/netalertx')
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from plugin_helper import Plugin_Object, Plugin_Objects, decodeBase64
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from logger import mylog, append_line_to_file
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from helper import timeNowTZ, check_IP_format
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from const import logPath, applicationPath, fullDbPath
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CUR_PATH = str(pathlib.Path(__file__).parent.resolve())
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LOG_FILE = os.path.join(CUR_PATH, 'script.log')
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RESULT_FILE = os.path.join(CUR_PATH, 'last_result.log')
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pluginName = 'DDNS'
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def main():
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mylog('verbose', [f'[{pluginName}] In script'])
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parser = argparse.ArgumentParser(description='Check internet connectivity and IP')
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parser.add_argument('prev_ip', action="store", help="Previous IP address to compare against the current IP")
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parser.add_argument('DDNS_UPDATE_URL', action="store", help="URL for updating Dynamic DNS (DDNS)")
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parser.add_argument('DDNS_USER', action="store", help="Username for Dynamic DNS (DDNS) authentication")
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parser.add_argument('DDNS_PASSWORD', action="store", help="Password for Dynamic DNS (DDNS) authentication")
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parser.add_argument('DDNS_DOMAIN', action="store", help="Dynamic DNS (DDNS) domain name")
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values = parser.parse_args()
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PREV_IP = values.prev_ip.split('=')[1]
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DDNS_UPDATE_URL = values.DDNS_UPDATE_URL.split('=')[1]
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DDNS_USER = values.DDNS_USER.split('=')[1]
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DDNS_PASSWORD = values.DDNS_PASSWORD.split('=')[1]
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DDNS_DOMAIN = values.DDNS_DOMAIN.split('=')[1]
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# perform the new IP lookup and DDNS tasks if enabled
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ddns_update( DDNS_UPDATE_URL, DDNS_USER, DDNS_PASSWORD, DDNS_DOMAIN, PREV_IP)
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mylog('verbose', [f'[{pluginName}] Finished '])
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return 0
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#===============================================================================
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# INTERNET IP CHANGE
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#===============================================================================
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def ddns_update ( DDNS_UPDATE_URL, DDNS_USER, DDNS_PASSWORD, DDNS_DOMAIN, PREV_IP ):
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# Update DDNS record if enabled and IP is different
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# Get Dynamic DNS IP
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mylog('verbose', [f'[{pluginName}] Retrieving Dynamic DNS IP'])
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dns_IP = get_dynamic_DNS_IP(DDNS_DOMAIN)
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# Check Dynamic DNS IP
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if dns_IP == "" or dns_IP == "0.0.0.0" :
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mylog('none', [f'[{pluginName}] Error retrieving Dynamic DNS IP'])
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mylog('none', [f'[{pluginName}] ', dns_IP])
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# Check DNS Change
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if dns_IP != PREV_IP :
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mylog('none', [f'[{pluginName}] Updating Dynamic DNS IP'])
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message = set_dynamic_DNS_IP (DDNS_UPDATE_URL, DDNS_USER, DDNS_PASSWORD, DDNS_DOMAIN)
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mylog('none', [f'[{pluginName}] ', message])
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# plugin_objects = Plugin_Objects(RESULT_FILE)
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# plugin_objects.add_object(
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# primaryId = 'Internet', # MAC (Device Name)
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# secondaryId = new_internet_IP, # IP Address
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# watched1 = f'Previous IP: {PREV_IP}',
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# watched2 = '',
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# watched3 = '',
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# watched4 = '',
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# extra = f'Previous IP: {PREV_IP}',
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# foreignKey = 'Internet')
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# plugin_objects.write_result_file()
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#-------------------------------------------------------------------------------
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def get_dynamic_DNS_IP (DDNS_DOMAIN):
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# Using supplied DNS server
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dig_args = ['dig', '+short', DDNS_DOMAIN]
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try:
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# try runnning a subprocess
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dig_output = subprocess.check_output (dig_args, universal_newlines=True)
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mylog('none', [f'[{pluginName}] DIG output :', dig_output])
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except subprocess.CalledProcessError as e:
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# An error occured, handle it
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mylog('none', [f'[{pluginName}] ⚠ ERROR - ', e.output])
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dig_output = '' # probably no internet
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# Check result is an IP
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IP = check_IP_format (dig_output)
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# Handle invalid response
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if IP == '':
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IP = '0.0.0.0'
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return IP
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#-------------------------------------------------------------------------------
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def set_dynamic_DNS_IP (DDNS_UPDATE_URL, DDNS_USER, DDNS_PASSWORD, DDNS_DOMAIN):
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try:
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# try runnning a subprocess
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# Update Dynamic IP
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curl_output = subprocess.check_output (['curl',
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'-s',
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DDNS_UPDATE_URL +
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'username=' + DDNS_USER +
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'&password=' + DDNS_PASSWORD +
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'&hostname=' + DDNS_DOMAIN],
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universal_newlines=True)
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except subprocess.CalledProcessError as e:
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# An error occured, handle it
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mylog('none', [f'[{pluginName}] ⚠ ERROR - ',e.output])
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curl_output = ""
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return curl_output
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#===============================================================================
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# BEGIN
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#===============================================================================
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if __name__ == '__main__':
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main() |