mirror of
https://github.com/jokob-sk/NetAlertX.git
synced 2025-12-07 09:36:05 -08:00
@@ -1,4 +1,4 @@
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#!/usr/bin/env python
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# !/usr/bin/env python
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import os
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import time
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@@ -11,13 +11,13 @@ import re
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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
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from utils.datetime_utils import timeNowDB
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from logger import mylog, Logger, append_line_to_file
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from helper import check_IP_format, get_setting_value
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from const import logPath
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import conf
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from pytz import timezone
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from plugin_helper import Plugin_Objects # noqa: E402 [flake8 lint suppression]
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from utils.datetime_utils import timeNowDB # noqa: E402 [flake8 lint suppression]
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from logger import mylog, Logger, append_line_to_file # noqa: E402 [flake8 lint suppression]
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from helper import check_IP_format, get_setting_value # noqa: E402 [flake8 lint suppression]
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from const import logPath # 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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# Make sure the TIMEZONE for logging is correct
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conf.tz = timezone(get_setting_value('TIMEZONE'))
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@@ -31,39 +31,39 @@ LOG_PATH = 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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no_internet_ip = '0.0.0.0'
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def main():
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mylog('verbose', [f'[{pluginName}] In script'])
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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('DIG_GET_IP_ARG', action="store", help="Arguments for the 'dig' command to retrieve the IP address") # unused
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parser.add_argument('DIG_GET_IP_ARG', action="store", help="Arguments for the 'dig' command to retrieve the IP address") # unused
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values = parser.parse_args()
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PREV_IP = values.prev_ip.split('=')[1]
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PREV_IP = values.prev_ip.split('=')[1]
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DIG_GET_IP_ARG = get_setting_value("INTRNT_DIG_GET_IP_ARG")
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new_internet_IP = no_internet_ip
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mylog('verbose', [f'[{pluginName}] INTRNT_DIG_GET_IP_ARG: ', DIG_GET_IP_ARG])
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mylog('verbose', [f'[{pluginName}] INTRNT_DIG_GET_IP_ARG: ', DIG_GET_IP_ARG])
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# METHOD 1: dig
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# perform the new IP lookup N times specified by the INTRNT_TRIES setting
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INTRNT_RETRIES = get_setting_value("INTRNT_RETRIES")
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retries_needed = 0
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for i in range(INTRNT_RETRIES + 1):
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new_internet_IP, cmd_output = check_internet_IP( PREV_IP, DIG_GET_IP_ARG)
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new_internet_IP, cmd_output = check_internet_IP(PREV_IP, DIG_GET_IP_ARG)
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if new_internet_IP == no_internet_ip:
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time.sleep(1*i) # Exponential backoff strategy
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time.sleep(1 * i) # Exponential backoff strategy
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else:
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retries_needed = i
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break
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@@ -71,68 +71,69 @@ def main():
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# METHOD 2: curl
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if new_internet_IP == no_internet_ip:
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new_internet_IP, cmd_output = fallback_check_ip()
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mylog('verbose', [f'[{pluginName}] Curl Fallback (new_internet_IP|cmd_output): {new_internet_IP} | {cmd_output}'])
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mylog('verbose', [f'[{pluginName}] Curl Fallback (new_internet_IP|cmd_output): {new_internet_IP} | {cmd_output}'])
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# logging
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append_line_to_file (logPath + '/IP_changes.log', '['+str(timeNowDB()) +']\t'+ new_internet_IP +'\n')
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append_line_to_file(logPath + '/IP_changes.log', '[' + str(timeNowDB()) + ']\t' + new_internet_IP + '\n')
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plugin_objects = Plugin_Objects(RESULT_FILE)
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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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secondaryId = new_internet_IP, # IP Address
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watched1 = f'Previous IP: {PREV_IP}',
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watched2 = cmd_output.replace('\n',''),
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watched3 = retries_needed,
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watched2 = cmd_output.replace('\n', ''),
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watched3 = retries_needed,
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watched4 = 'Gateway',
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extra = f'Previous IP: {PREV_IP}',
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foreignKey = 'Internet')
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extra = f'Previous IP: {PREV_IP}',
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foreignKey = 'Internet'
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)
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plugin_objects.write_result_file()
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plugin_objects.write_result_file()
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mylog('verbose', [f'[{pluginName}] Finished '])
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mylog('verbose', [f'[{pluginName}] Finished '])
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return 0
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#===============================================================================
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# ===============================================================================
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# INTERNET IP CHANGE
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#===============================================================================
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def check_internet_IP ( PREV_IP, DIG_GET_IP_ARG ):
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# ===============================================================================
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def check_internet_IP(PREV_IP, DIG_GET_IP_ARG):
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# Get Internet IP
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mylog('verbose', [f'[{pluginName}] - Retrieving Internet IP'])
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internet_IP, cmd_output = get_internet_IP(DIG_GET_IP_ARG)
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mylog('verbose', [f'[{pluginName}] Current internet_IP : {internet_IP}'])
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# Check previously stored IP
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mylog('verbose', [f'[{pluginName}] Current internet_IP : {internet_IP}'])
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# Check previously stored IP
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previous_IP = no_internet_ip
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if PREV_IP is not None and len(PREV_IP) > 0 :
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if PREV_IP is not None and len(PREV_IP) > 0 :
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previous_IP = PREV_IP
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mylog('verbose', [f'[{pluginName}] previous_IP : {previous_IP}'])
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mylog('verbose', [f'[{pluginName}] previous_IP : {previous_IP}'])
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return internet_IP, cmd_output
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#-------------------------------------------------------------------------------
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def get_internet_IP (DIG_GET_IP_ARG):
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# -------------------------------------------------------------------------------
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def get_internet_IP(DIG_GET_IP_ARG):
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cmd_output = ''
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# Using 'dig'
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dig_args = ['dig', '+short'] + DIG_GET_IP_ARG.strip().split()
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try:
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cmd_output = subprocess.check_output (dig_args, universal_newlines=True)
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mylog('verbose', [f'[{pluginName}] DIG result : {cmd_output}'])
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cmd_output = subprocess.check_output(dig_args, universal_newlines=True)
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mylog('verbose', [f'[{pluginName}] DIG result : {cmd_output}'])
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except subprocess.CalledProcessError as e:
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mylog('verbose', [e.output])
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cmd_output = '' # no internet
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cmd_output = '' # no internet
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# Check result is an IP
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IP = check_IP_format (cmd_output)
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IP = check_IP_format(cmd_output)
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# Handle invalid response
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if IP == '':
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@@ -140,7 +141,8 @@ def get_internet_IP (DIG_GET_IP_ARG):
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return IP, cmd_output
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#-------------------------------------------------------------------------------
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# -------------------------------------------------------------------------------
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def fallback_check_ip():
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"""Fallback mechanism using `curl ifconfig.me/ip`."""
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try:
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@@ -155,8 +157,9 @@ def fallback_check_ip():
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mylog('none', [f'[{pluginName}] Fallback curl exception: {e}'])
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return no_internet_ip, f'Fallback via curl exception: "{e}"'
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#===============================================================================
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# ===============================================================================
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# BEGIN
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#===============================================================================
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# ===============================================================================
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if __name__ == '__main__':
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main()
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main()
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