Files
NetAlertX/server/helper.py

828 lines
31 KiB
Python
Executable File

""" Colection of generic functions to support NetAlertX """
import io
import sys
import datetime
import os
import re
import unicodedata
import subprocess
from typing import Union
import pytz
from pytz import timezone
import json
import time
from pathlib import Path
import requests
import base64
import hashlib
import random
import email
import string
import ipaddress
import conf
from const import *
from logger import mylog, logResult
# Register NetAlertX directories
INSTALL_PATH="/app"
LASTCACHEDATE=''
CACHE={}
#-------------------------------------------------------------------------------
# DateTime
#-------------------------------------------------------------------------------
# Get the current time in the current TimeZone
def timeNowTZ():
if conf.tz:
return datetime.datetime.now(conf.tz).replace(microsecond=0)
else:
return datetime.datetime.now().replace(microsecond=0)
# if isinstance(conf.TIMEZONE, str):
# tz = pytz.timezone(conf.TIMEZONE)
# else:
# tz = conf.TIMEZONE
# return datetime.datetime.now(tz).replace(microsecond=0)
def timeNow():
return datetime.datetime.now().replace(microsecond=0)
def get_timezone_offset():
now = datetime.datetime.now(conf.tz)
offset_hours = now.utcoffset().total_seconds() / 3600
offset_formatted = "{:+03d}:{:02d}".format(int(offset_hours), int((offset_hours % 1) * 60))
return offset_formatted
#-------------------------------------------------------------------------------
# Date and time methods
#-------------------------------------------------------------------------------
# # -------------------------------------------------------------------------------------------
# def format_date(date_str: str) -> str:
# """Format a date string as 'YYYY-MM-DD HH:MM'"""
# dt = datetime.datetime.fromisoformat(date_str) if isinstance(date_str, str) else date_str
# return dt.strftime('%Y-%m-%d %H:%M')
# # -------------------------------------------------------------------------------------------
# def format_date_diff(date1: str, date2: str) -> str:
# """Return difference between two dates formatted as 'Xd HH:MM'"""
# dt1 = datetime.datetime.fromisoformat(date1) if isinstance(date1, str) else date1
# dt2 = datetime.datetime.fromisoformat(date2) if isinstance(date2, str) else date2
# delta = dt2 - dt1
# days = delta.days
# hours, remainder = divmod(delta.seconds, 3600)
# minutes = remainder // 60
# return f"{days}d {hours:02}:{minutes:02}"
# -------------------------------------------------------------------------------------------
def format_date_iso(date1: str) -> str:
"""Return ISO 8601 string for a date or None if empty"""
if date1 is None:
return None
dt = datetime.datetime.fromisoformat(date1) if isinstance(date1, str) else date1
return dt.isoformat()
# -------------------------------------------------------------------------------------------
def format_event_date(date_str: str, event_type: str) -> str:
"""Format event date with fallback rules."""
if date_str:
return format_date(date_str)
elif event_type == "<missing event>":
return "<missing event>"
else:
return "<still connected>"
# -------------------------------------------------------------------------------------------
def ensure_datetime(dt: Union[str, datetime, None]) -> datetime:
if dt is None:
return timeNowTZ()
if isinstance(dt, str):
return datetime.datetime.fromisoformat(dt)
return dt
def parse_datetime(dt_str):
if not dt_str:
return None
try:
# Try ISO8601 first
return datetime.datetime.fromisoformat(dt_str)
except ValueError:
# Try RFC1123 / HTTP format
try:
return datetime.datetime.strptime(dt_str, '%a, %d %b %Y %H:%M:%S GMT')
except ValueError:
return None
def format_date(date_str: str) -> str:
dt = parse_datetime(date_str)
return dt.strftime('%Y-%m-%d %H:%M') if dt else "invalid"
def format_date_diff(date1, date2):
"""
Return difference between two datetimes as 'Xd HH:MM'.
Uses app timezone if datetime is naive.
date2 can be None (uses now).
"""
# Get timezone from settings
tz_name = get_setting_value("TIMEZONE") or "UTC"
tz = pytz.timezone(tz_name)
def parse_dt(dt):
if dt is None:
return datetime.datetime.now(tz)
if isinstance(dt, str):
try:
dt_parsed = email.utils.parsedate_to_datetime(dt)
except Exception:
# fallback: parse ISO string
dt_parsed = datetime.datetime.fromisoformat(dt)
# convert naive GMT/UTC to app timezone
if dt_parsed.tzinfo is None:
dt_parsed = tz.localize(dt_parsed)
else:
dt_parsed = dt_parsed.astimezone(tz)
return dt_parsed
return dt if dt.tzinfo else tz.localize(dt)
dt1 = parse_dt(date1)
dt2 = parse_dt(date2)
delta = dt2 - dt1
total_minutes = int(delta.total_seconds() // 60)
days, rem_minutes = divmod(total_minutes, 1440) # 1440 mins in a day
hours, minutes = divmod(rem_minutes, 60)
return {
"text": f"{days}d {hours:02}:{minutes:02}",
"days": days,
"hours": hours,
"minutes": minutes,
"total_minutes": total_minutes
}
#-------------------------------------------------------------------------------
# File system permission handling
#-------------------------------------------------------------------------------
# check RW access of DB and config file
def checkPermissionsOK():
#global confR_access, confW_access, dbR_access, dbW_access
confR_access = (os.access(fullConfPath, os.R_OK))
confW_access = (os.access(fullConfPath, os.W_OK))
dbR_access = (os.access(fullDbPath, os.R_OK))
dbW_access = (os.access(fullDbPath, os.W_OK))
mylog('none', ['\n'])
mylog('none', ['The backend restarted (started). If this is unexpected check https://bit.ly/NetAlertX_debug for troubleshooting tips.'])
mylog('none', ['\n'])
mylog('none', ['Permissions check (All should be True)'])
mylog('none', ['------------------------------------------------'])
mylog('none', [ " " , confPath , " | " , " READ | " , confR_access])
mylog('none', [ " " , confPath , " | " , " WRITE | " , confW_access])
mylog('none', [ " " , dbPath , " | " , " READ | " , dbR_access])
mylog('none', [ " " , dbPath , " | " , " WRITE | " , dbW_access])
mylog('none', ['------------------------------------------------'])
#return dbR_access and dbW_access and confR_access and confW_access
return (confR_access, dbR_access)
#-------------------------------------------------------------------------------
def fixPermissions():
# Try fixing access rights if needed
chmodCommands = []
chmodCommands.append(['sudo', 'chmod', 'a+rw', '-R', fullDbPath])
chmodCommands.append(['sudo', 'chmod', 'a+rw', '-R', fullConfPath])
for com in chmodCommands:
# Execute command
mylog('none', ["[Setup] Attempting to fix permissions."])
try:
# try runnning a subprocess
result = subprocess.check_output (com, universal_newlines=True)
except subprocess.CalledProcessError as e:
# An error occured, handle it
mylog('none', ["[Setup] Fix Failed. Execute this command manually inside of the container: ", ' '.join(com)])
mylog('none', [e.output])
#-------------------------------------------------------------------------------
def initialiseFile(pathToCheck, defaultFile):
# if file not readable (missing?) try to copy over the backed-up (default) one
if str(os.access(pathToCheck, os.R_OK)) == "False":
mylog('none', ["[Setup] ("+ pathToCheck +") file is not readable or missing. Trying to copy over the default one."])
try:
# try runnning a subprocess
p = subprocess.Popen(["cp", defaultFile , pathToCheck], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
stdout, stderr = p.communicate()
if str(os.access(pathToCheck, os.R_OK)) == "False":
mylog('none', ["[Setup] ⚠ ERROR copying ("+defaultFile+") to ("+pathToCheck+"). Make sure the app has Read & Write access to the parent directory."])
else:
mylog('none', ["[Setup] ("+defaultFile+") copied over successfully to ("+pathToCheck+")."])
# write stdout and stderr into .log files for debugging if needed
logResult (stdout, stderr) # TO-DO should be changed to mylog
except subprocess.CalledProcessError as e:
# An error occured, handle it
mylog('none', ["[Setup] ⚠ ERROR copying ("+defaultFile+"). Make sure the app has Read & Write access to " + pathToCheck])
mylog('none', [e.output])
#-------------------------------------------------------------------------------
def filePermissions():
# check and initialize .conf
(confR_access, dbR_access) = checkPermissionsOK() # Initial check
if confR_access == False:
initialiseFile(fullConfPath, f"{INSTALL_PATH}/back/app.conf" )
# check and initialize .db
if dbR_access == False:
initialiseFile(fullDbPath, f"{INSTALL_PATH}/back/app.db")
# last attempt
fixPermissions()
#-------------------------------------------------------------------------------
# File manipulation methods
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
def get_file_content(path):
f = open(path, 'r')
content = f.read()
f.close()
return content
#-------------------------------------------------------------------------------
def write_file(pPath, pText):
# Convert pText to a string if it's a dictionary
if isinstance(pText, dict):
pText = json.dumps(pText)
# Convert pText to a string if it's a list
if isinstance(pText, list):
for item in pText:
write_file(pPath, item)
else:
# Write the text using the correct Python version
if sys.version_info < (3, 0):
file = io.open(pPath, mode='w', encoding='utf-8')
file.write(pText.decode('unicode_escape'))
file.close()
else:
file = open(pPath, 'w', encoding='utf-8')
if pText is None:
pText = ""
file.write(pText)
file.close()
#-------------------------------------------------------------------------------
# Setting methods
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Return whole setting touple
def get_setting(key):
global LASTCACHEDATE
global CACHE
settingsFile = apiPath + 'table_settings.json'
###################################################
# fix by IR
###################################################
fileModifiedTime = os.path.getmtime(settingsFile)
mylog('debug', ['[Import table_settings.json] checking table_settings.json file '])
mylog('debug', ['[Import table_settings.json] LASTCACHEDATE :', LASTCACHEDATE])
mylog('debug', ['[Import table_settings.json] fileModifiedTime :', fileModifiedTime])
if fileModifiedTime == LASTCACHEDATE and CACHE:
mylog('debug', ['[Import table_settings.json] using cached version of table_settings.json '])
try:
return CACHE[key]
except KeyError:
mylog('none', [f'[Settings] ⚠ ERROR - setting_missing - Setting not found for key: {key} in cached file {settingsFile}'])
LASTCACHEDATE = fileModifiedTime
try:
with open(settingsFile, 'r') as json_file:
data = json.load(json_file)
for item in data.get("data",[]):
# map setkey to item
CACHE[item["setKey"]] = item
except (FileNotFoundError, json.JSONDecodeError, ValueError) as e:
# Handle the case when the file is not found, JSON decoding fails, or data is not in the expected format
mylog('none', [f'[Settings] ⚠ ERROR - JSONDecodeError or FileNotFoundError for file {settingsFile}'])
return None
try:
return CACHE[key]
except KeyError:
mylog('none', [f'[Settings] ⚠ ERROR - setting_missing - Setting not found for key: {key} in file {settingsFile}'])
return None
###################################################
# / fix by IR
###################################################
try:
with open(settingsFile, 'r') as json_file:
data = json.load(json_file)
CACHE=data.get("data",[])
for item in data.get("data",[]):
if item.get("setKey") == key:
return item
mylog('debug', [f'[Settings] ⚠ ERROR - setting_missing - Setting not found for key: {key} in file {settingsFile}'])
return None
except (FileNotFoundError, json.JSONDecodeError, ValueError) as e:
# Handle the case when the file is not found, JSON decoding fails, or data is not in the expected format
mylog('none', [f'[Settings] ⚠ ERROR - JSONDecodeError or FileNotFoundError for file {settingsFile}'])
return None
#-------------------------------------------------------------------------------
# Return setting value
def get_setting_value(key):
"""
Retrieve a setting value from configuration.
- First checks if `conf.mySettings` is populated and contains the key.
- Falls back to `get_setting(key)` if not found.
- Converts the raw stored value into the correct Python type
using `setting_value_to_python_type`.
Args:
key (str): The setting key to look up.
Returns:
Any: The Python-typed setting value, or an empty string if not found.
"""
# Returns empty string if not found
value = ''
# Prefer conf.mySettings if available
if hasattr(conf, "mySettings") and conf.mySettings:
# conf.mySettings is a list of tuples, find by key (tuple[0])
for item in conf.mySettings:
if item[0] == key:
set_type = item[3] # inputtype
set_value = item[5] # result
if isinstance(set_value, (list, dict)):
value = setting_value_to_python_type(set_type, set_value)
else:
value = setting_value_to_python_type(set_type, str(set_value))
return value
# Otherwise fall back toretrive from json
setting = get_setting(key)
if setting is not None:
# mylog('none', [f'[SETTINGS] setting json:{json.dumps(setting)}'])
set_type = 'Error: Not handled'
set_value = 'Error: Not handled'
set_value = setting["setValue"] # Setting value (Value (upper case) = user overridden default_value)
set_type = setting["setType"] # Setting type # lower case "type" - default json value vs uppper-case "setType" (= from user defined settings)
value = setting_value_to_python_type(set_type, set_value)
return value
#-------------------------------------------------------------------------------
# Convert the setting value to the corresponding python type
def setting_value_to_python_type(set_type, set_value):
value = '----not processed----'
# "type": {"dataType":"array", "elements": [{"elementType" : "select", "elementOptions" : [{"multiple":"true"}] ,"transformers": []}]}
setTypJSN = json.loads(str(set_type).replace('"','\"').replace("'",'"'))
# Handle different types of settings based on set_type dictionary
dataType = setTypJSN.get('dataType', '')
elements = setTypJSN.get('elements', [])
# Ensure there's at least one element in the elements list
if not elements:
mylog('none', [f'[HELPER] No elements provided in set_type: {set_type} '])
return value
# Find the first element where elementHasInputValue is 1
element_with_input_value = next((elem for elem in elements if elem.get("elementHasInputValue") == 1), None)
# If no such element is found, use the last element
if element_with_input_value is None:
element_with_input_value = elements[-1]
elementType = element_with_input_value.get('elementType', '')
elementOptions = element_with_input_value.get('elementOptions', [])
transformers = element_with_input_value.get('transformers', [])
# Convert value based on dataType and elementType
if dataType == 'string' and elementType in ['input', 'select', 'textarea', 'datatable']:
value = reverseTransformers(str(set_value), transformers)
elif dataType == 'integer' and (elementType == 'input' or elementType == 'select'):
# handle storing/retrieving boolean values as 1/0
if set_value.lower() not in ['true', 'false'] and isinstance(set_value, str):
value = int(set_value)
elif isinstance(set_value, bool):
value = 1 if set_value else 0
elif isinstance(set_value, str):
value = 1 if set_value.lower() == 'true' else 0
else:
value = int(set_value)
# boolean handling
elif dataType == 'boolean' and elementType == 'input':
value = set_value.lower() in ['true', '1']
# array handling
elif dataType == 'array' and elementType == 'select':
if isinstance(set_value, str):
try:
value = json.loads(set_value.replace("'", "\""))
# reverse transformations to all entries
value = reverseTransformers(value, transformers)
except json.JSONDecodeError as e:
mylog('none', [f'[setting_value_to_python_type] Error decoding JSON object: {e}'])
mylog('none', [set_value])
value = []
elif isinstance(set_value, list):
value = set_value
elif dataType == 'object' and elementType == 'input':
if isinstance(set_value, str):
try:
value = reverseTransformers(json.loads(set_value), transformers)
except json.JSONDecodeError as e:
mylog('none', [f'[setting_value_to_python_type] Error decoding JSON object: {e}'])
mylog('none', [{set_value}])
value = {}
elif isinstance(set_value, dict):
value = set_value
elif dataType == 'string' and elementType == 'input' and any(opt.get('readonly') == "true" for opt in elementOptions):
value = reverseTransformers(str(set_value), transformers)
elif dataType == 'string' and elementType == 'input' and any(opt.get('type') == "password" for opt in elementOptions) and 'sha256' in transformers:
value = hashlib.sha256(set_value.encode()).hexdigest()
if value == '----not processed----':
mylog('none', [f'[HELPER] ⚠ ERROR not processed set_type: {set_type} '])
mylog('none', [f'[HELPER] ⚠ ERROR not processed set_value: {set_value} '])
return value
#-------------------------------------------------------------------------------
def updateSubnets(scan_subnets):
"""
Normalize scan subnet input into a list of subnets.
Parameters:
scan_subnets (str or list): A single subnet string or a list of subnet strings.
Returns:
list: A list containing all subnets. If a single subnet is provided, it is returned as a single-element list.
"""
subnets = []
# multiple interfaces
if isinstance(scan_subnets, list):
for interface in scan_subnets:
subnets.append(interface)
# one interface only
else:
subnets.append(scan_subnets)
return subnets
#-------------------------------------------------------------------------------
# Reverse transformed values if needed
def reverseTransformers(val, transformers):
# Function to apply transformers to a single value
def reverse_transformers(value, transformers):
for transformer in transformers:
if transformer == 'base64':
if isinstance(value, str):
value = base64.b64decode(value).decode('utf-8')
elif transformer == 'sha256':
mylog('none', [f'[reverseTransformers] sha256 is irreversible'])
return value
# Check if the value is a list
if isinstance(val, list):
return [reverse_transformers(item, transformers) for item in val]
else:
return reverse_transformers(val, transformers)
#-------------------------------------------------------------------------------
# IP validation methods
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
def checkIPV4(ip):
""" Define a function to validate an Ip address
"""
ipRegex = r"^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$"
if(re.search(ipRegex, ip)):
return True
else:
return False
#-------------------------------------------------------------------------------
def check_IP_format (pIP):
# check if TCP communication error ocurred
if 'communications error to' in pIP:
return ''
# Check IP format
IPv4SEG = r'(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])'
IPv4ADDR = r'(?:(?:' + IPv4SEG + r'\.){3,3}' + IPv4SEG + r')'
IP = re.search(IPv4ADDR, pIP)
# Return empty if not IP
if IP is None :
return ""
# Return IP
return IP.group(0)
#-------------------------------------------------------------------------------
# String manipulation methods
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
def generate_random_string(length):
characters = string.ascii_letters + string.digits
return ''.join(random.choice(characters) for _ in range(length))
#-------------------------------------------------------------------------------
def extract_between_strings(text, start, end):
start_index = text.find(start)
end_index = text.find(end, start_index + len(start))
if start_index != -1 and end_index != -1:
return text[start_index + len(start):end_index]
else:
return ""
#-------------------------------------------------------------------------------
def bytes_to_string(value):
# if value is of type bytes, convert to string
if isinstance(value, bytes):
value = value.decode('utf-8')
return value
#-------------------------------------------------------------------------------
def if_byte_then_to_str(input):
if isinstance(input, bytes):
input = input.decode('utf-8')
input = bytes_to_string(re.sub(r'[^a-zA-Z0-9-_\s]', '', str(input)))
return input
#-------------------------------------------------------------------------------
def hide_email(email):
m = email.split('@')
if len(m) == 2:
return f'{m[0][0]}{"*"*(len(m[0])-2)}{m[0][-1] if len(m[0]) > 1 else ""}@{m[1]}'
return email
#-------------------------------------------------------------------------------
def hide_string(input_string):
if len(input_string) < 3:
return input_string # Strings with 2 or fewer characters remain unchanged
else:
return input_string[0] + "*" * (len(input_string) - 2) + input_string[-1]
#-------------------------------------------------------------------------------
def removeDuplicateNewLines(text):
if "\n\n\n" in text:
return removeDuplicateNewLines(text.replace("\n\n\n", "\n\n"))
else:
return text
#-------------------------------------------------------------------------------
def sanitize_string(input):
if isinstance(input, bytes):
input = input.decode('utf-8')
input = bytes_to_string(re.sub(r'[^a-zA-Z0-9-_\s]', '', str(input)))
return input
#-------------------------------------------------------------------------------
# Function to normalize the string and remove diacritics
def normalize_string(text):
# Normalize the text to 'NFD' to separate base characters and diacritics
if not isinstance(text, str):
text = str(text)
normalized_text = unicodedata.normalize('NFD', text)
# Filter out diacritics and unwanted characters
return ''.join(c for c in normalized_text if unicodedata.category(c) != 'Mn')
# ------------------------------------------------------------------------------
# MAC and IP helper methods
#-------------------------------------------------------------------------------
# -------------------------------------------------------------------------------------------
def is_random_mac(mac: str) -> bool:
"""Determine if a MAC address is random, respecting user-defined prefixes not to mark as random."""
is_random = mac[1].upper() in ["2", "6", "A", "E"]
# Get prefixes from settings
prefixes = get_setting_value("UI_NOT_RANDOM_MAC")
# If detected as random, make sure it doesn't start with a prefix the user wants to exclude
if is_random:
for prefix in prefixes:
if mac.upper().startswith(prefix.upper()):
is_random = False
break
return is_random
# -------------------------------------------------------------------------------------------
def generate_mac_links (html, deviceUrl):
p = re.compile(r'(?:[0-9a-fA-F]:?){12}')
MACs = re.findall(p, html)
for mac in MACs:
html = html.replace('<td>' + mac + '</td>','<td><a href="' + deviceUrl + mac + '">' + mac + '</a></td>')
return html
#-------------------------------------------------------------------------------
def extract_mac_addresses(text):
mac_pattern = r"([0-9A-Fa-f]{2}[:-][0-9A-Fa-f]{2}[:-][0-9A-Fa-f]{2}[:-][0-9A-Fa-f]{2}[:-][0-9A-Fa-f]{2}[:-][0-9A-Fa-f]{2})"
mac_addresses = re.findall(mac_pattern, text)
return mac_addresses
#-------------------------------------------------------------------------------
def extract_ip_addresses(text):
ip_pattern = r"\b(?:[0-9]{1,3}\.){3}[0-9]{1,3}\b"
ip_addresses = re.findall(ip_pattern, text)
return ip_addresses
#-------------------------------------------------------------------------------
# Helper function to determine if a MAC address is random
def is_random_mac(mac):
# Check if second character matches "2", "6", "A", "E" (case insensitive)
is_random = mac[1].upper() in ["2", "6", "A", "E"]
# Check against user-defined non-random MAC prefixes
if is_random:
not_random_prefixes = get_setting_value("UI_NOT_RANDOM_MAC")
for prefix in not_random_prefixes:
if mac.startswith(prefix):
is_random = False
break
return is_random
#-------------------------------------------------------------------------------
# Helper function to calculate number of children
def get_number_of_children(mac, devices):
# Count children by checking devParentMAC for each device
return sum(1 for dev in devices if dev.get("devParentMAC", "").strip() == mac.strip())
#-------------------------------------------------------------------------------
# Function to convert IP to a long integer
def format_ip_long(ip_address):
try:
# Check if it's an IPv6 address
if ':' in ip_address:
ip = ipaddress.IPv6Address(ip_address)
else:
# Assume it's an IPv4 address
ip = ipaddress.IPv4Address(ip_address)
return int(ip)
except ValueError:
# Return a default error value if IP is invalid
return -1
#-------------------------------------------------------------------------------
# JSON methods
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
def isJsonObject(value):
return isinstance(value, dict)
#-------------------------------------------------------------------------------
def add_json_list (row, list):
new_row = []
for column in row :
column = bytes_to_string(column)
new_row.append(column)
list.append(new_row)
return list
#-------------------------------------------------------------------------------
# Checks if the object has a __dict__ attribute. If it does, it assumes that it's an instance of a class and serializes its attributes dynamically.
class NotiStrucEncoder(json.JSONEncoder):
def default(self, obj):
if hasattr(obj, '__dict__'):
# If the object has a '__dict__', assume it's an instance of a class
return obj.__dict__
return super().default(obj)
#-------------------------------------------------------------------------------
# Get language strings from plugin JSON
def collect_lang_strings(json, pref, stringSqlParams):
for prop in json["localized"]:
for language_string in json[prop]:
stringSqlParams.append((str(language_string["language_code"]), str(pref + "_" + prop), str(language_string["string"]), ""))
return stringSqlParams
#-------------------------------------------------------------------------------
def checkNewVersion():
mylog('debug', [f"[Version check] Checking if new version available"])
newVersion = False
with open(applicationPath + '/front/buildtimestamp.txt', 'r') as f:
buildTimestamp = int(f.read().strip())
try:
response = requests.get(
"https://api.github.com/repos/jokob-sk/NetAlertX/releases",
timeout=5
)
response.raise_for_status() # Raise an exception for HTTP errors
text = response.text
except requests.exceptions.RequestException as e:
mylog('minimal', ["[Version check] ⚠ ERROR: Couldn't check for new release."])
return False
try:
data = json.loads(text)
except json.JSONDecodeError as e:
mylog('minimal', ["[Version check] ⚠ ERROR: Invalid JSON response from GitHub."])
return False
# make sure we received a valid response and not an API rate limit exceeded message
if data and isinstance(data, list) and "published_at" in data[0]:
dateTimeStr = data[0]["published_at"]
releaseTimestamp = int(datetime.datetime.strptime(dateTimeStr, '%Y-%m-%dT%H:%M:%S%z').timestamp())
if releaseTimestamp > buildTimestamp + 600:
mylog('none', ["[Version check] New version of the container available!"])
newVersion = True
else:
mylog('none', ["[Version check] Running the latest version."])
else:
mylog('minimal', ["[Version check] ⚠ ERROR: Received unexpected response from GitHub."])
return newVersion
#-------------------------------------------------------------------------------
class noti_obj:
def __init__(self, json, text, html):
self.json = json
self.text = text
self.html = html