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update_notifier.py
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update_notifier.py
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#!/usr/bin/python3
# pylint: disable=line-too-long
"""
Update Notifier script v0.1
The purpose of this script is to parse
a JSON file and check if the version of the software stated in it
is the latest available.
If not, a telegram notification is sent.
"""
import os
import sys
import json
import getopt
from configparser import ConfigParser
from json.decoder import JSONDecodeError
import click
import requests
import regex as re
from progress.bar import IncrementalBar
from bs4 import BeautifulSoup
from selenium import webdriver
from notifier import notify
PARSER = ConfigParser()
try:
PARSER.read("settings.ini")
except Exception as error_message:
error(
"Error: The config file could not be validated.\nPlease check that the file exists and is valid"
)
raise SystemExit(error_message)
PFSENSE = "Pfsense"
PLEX = "Plex"
SYNOLOGY_DSM = "Synology DSM"
UNIFI_CC = "Unifi Cloud Key Controller"
WORDPRESS = "Wordpress"
def default(message):
"""Default message used as an alternative to print()"""
click.secho(message, fg="white")
def warning(message):
"""Default warning message used as an alternative to print()"""
click.secho(message, fg="blue", blink=True, bold=True)
def error(message):
"""Default error message used as an alternative to print()"""
click.secho(message, fg="red")
def env_checker(token, section):
"""
Checks if the variable are set in the env,
if not, the settings file is being read and the values are extracted and set
"""
if os.environ.get(token):
return os.environ.get(token)
elif os.environ.get(token) is None:
try:
if token == "HEALTHCHECK":
return PARSER.get(section, token)
elif token == "SELENIUM":
return PARSER.get(section, token)
else:
return None
except Exception as error_message:
error(
"\nError: The config file could not be validated.\nPlease check that the file exists and is valid"
)
default(error_message)
raise SystemExit("")
else:
return None
def check_python_version():
if not sys.version_info.major == 3 and sys.version_info.minor >= 6:
error("Error: this script requires Python 3.6 or higher")
error(
"You are using Python {}.{}.".format(
sys.version_info.major, sys.version_info.minor
)
)
default("Please use: python3 ./main.py")
sys.exit(2)
def prerequisites():
"""Makes sure Python 3 is used and the default values have been updated"""
global HEALTHCHECK
global SELENIUM
HEALTHCHECK = os.environ.get("HEALTHCHECK")
SELENIUM = os.environ.get("SELENIUM")
check_python_version()
default("Reading settings.ini ...")
HEALTHCHECK = env_checker("HEALTHCHECK", "settings")
SELENIUM = env_checker("SELENIUM", "settings")
# if os.environ.get("HEALTHCHECK") is None:
# try:
# HEALTHCHECK = PARSER.get("settings", "HEALTHCHECK")
# except Exception as error_message:
# error(
# "Error: The config file could not be validated.\nPlease check that the file exists and is valid"
# )
# raise SystemExit(error_message)
# if os.environ.get("SELENIUM") is None:
# try:
# SELENIUM = PARSER.get("settings", "SELENIUM")
# except Exception as error_message:
# error(
# "Error: The config file could not be validated.\nPlease check that the file exists and is valid"
# )
# raise SystemExit(error_message)
if HEALTHCHECK == "https://some-domain.com/and_some_token":
warning("The Healthchecks url was not updated from its default value.\n")
if SELENIUM == "/usr/local/bin/geckodriver":
warning(
"Using the default location for the geckodriver: '/usr/local/bin/geckodriver'.\nYou can change this setting under 'SELENIUM' in the 'settings.ini' file."
)
def get_arg(argv):
"""Get the command line arguments"""
prerequisites()
inputfile = ""
try:
opts, args = getopt.getopt(argv, "hi:o:", ["ifile="])
except getopt.GetoptError:
print("Error: Missing argument.\nUsage: main.py -i <JSON file>")
sys.exit(2)
for opt, arg in opts:
if opt == "-h":
print("clip.py -i <JSON file>")
sys.exit()
elif opt in ("-i", "--ifile"):
inputfile = arg
if "." not in inputfile:
error(
"Error: Missing the file extension for the JSON file passed as argument.\nUsage: main.py -i <JSON file>"
)
sys.exit(2)
# check if both files exist
if not os.path.isfile(inputfile):
error("Error: the input file" + inputfile + "does not exist")
sys.exit(2)
main(inputfile)
def get_json_from_url(url):
"""
Gets the url given as parameter and returns the whole object
"""
headers = {"User-agent": "Mozilla/5.0"}
response = requests.get(url, headers=headers)
return response
def create_headless_firefox_browser():
"""Creates a headless Firefox browser."""
options = webdriver.FirefoxOptions()
options.add_argument("--headless")
return webdriver.Firefox(executable_path=SELENIUM, options=options)
def check_numbers_or_dots(to_clean):
"""Cleans the input"""
expression = r"([0-9].[0-9]*.[0-9]*)/"
result = re.search(expression, to_clean)
if result:
return result.group(1)
return None
def pfsense():
"""Returns the latest version available for pfsense."""
expression = r"<p> (.*) <\/p>"
page = requests.get("https://www.pfsense.org/download/")
soup = BeautifulSoup(page.text, "html.parser")
list = soup.find(class_="col-sm-9")
match = str(list.find("p"))
result = re.search(expression, match)
if result:
return result.group(1)
else:
print(
"Error: The current version of the unifi cloudkey controller could not be retrieved !"
)
return "no version could be retrieved"
def synology_dsm():
"""Returns the latest version available for DSM on synology."""
# expression = r"<p> (.*) <\/p>"
result = []
page = requests.get("https://archive.synology.com/download/DSM/release/")
soup = BeautifulSoup(page.text, "html.parser")
for link in soup.find_all("a"):
tmp = check_numbers_or_dots(link.get("href"))
if tmp is not None:
result.append(tmp)
return sorted(result, key=None, reverse=True)[0]
def synology_plex():
"""Returns the latest version available for plex on synology."""
data = get_json_from_url("https://plex.tv/api/downloads/5.json")
result = data.json()
return result["nas"]["Synology"]["version"]
def unifi():
"""Returns the latest version available for unifi products."""
expression = r"UniFi Cloud Key firmware (.*)<\/td>"
browser = create_headless_firefox_browser()
cloud_key_url = "https://www.ui.com/download/unifi/unifi-cloud-key"
browser.get(cloud_key_url)
html = browser.page_source
soup = BeautifulSoup(html, "lxml")
# Result is similar to:
# <td class="downloadResults__name">UniFi Cloud Key firmware 1.1.11</td>
match = str(soup.find("td", attrs={"class": "downloadResults__name"}))
result = re.search(expression, match)
if result:
return result.group(1)
else:
error(
"Error: The current version of the unifi cloudkey controller could not be retrieved !"
)
return "no version could be retrieved"
def wordpress():
"""Returns the latest version available for wordpress."""
try:
data = get_json_from_url("https://api.wordpress.org/core/version-check/1.7/")
result = data.json()
return result["offers"][0]["current"]
except JSONDecodeError as error:
print(
"\nAn error was encountered with the JSON data. The data provided: \n", data
)
print("\nThe error message: \n", error)
def message(service, up_to_date, latest, installed):
"""Displays the end result message"""
if up_to_date is True:
click.echo(
" - "
+ click.style(service, fg="yellow")
+ click.style(" is up to date.", fg="green")
)
elif up_to_date is False:
click.echo(
" - "
+ click.style(service, fg="yellow")
+ click.style(" is not up to date.", fg="red")
)
click.echo(" Latest version available is: " + click.style(latest, fg="blue"))
click.echo(" You are using:: " + click.style(installed, fg="cyan"))
def main(inputfile):
"""The main function"""
programs = []
up_to_date = True
click.echo(
click.style(
r"""
+---------------------------------------------------------------------------------------------------------+
| _ _ ___ _ |
| | | _ _ (_) / __)(_) |
| _ _ ____ _ | | ____ | |_ ____ ___ ____ ___ | |_ _ | |__ _ ____ ____ |
| | | | || _ \ / || | / _ || _) / _ )(___)| _ \ / _ \ | _) | || __)| | / _ ) / ___) |
| | |_| || | | |( (_| |( ( | || |__( (/ / | | | || |_| || |__ | || | | |( (/ / | | |
| \____|| ||_/ \____| \_||_| \___)\____) |_| |_| \___/ \___)|_||_| |_| \____)|_| |
| |_| |
+---------------------------------------------------------------------------------------------------------+
""",
fg="yellow",
)
)
default("Gathering informations...\n")
with open(inputfile) as file:
data = json.load(file)
# Progressbar
progressbar = IncrementalBar("Processing", max=5)
for i in range(1):
latest_pfsense_version = pfsense()
progressbar.next()
latest_synology_dsm_version = synology_dsm()
progressbar.next()
latest_synology_plex_version = synology_plex()
progressbar.next()
latest_unifi_ck_version = unifi()
progressbar.next()
# latest_wordpress_version = wordpress()["offers"][0]["current"]
latest_wordpress_version = wordpress()
progressbar.next()
progressbar.finish()
default("\n")
installed_pfsense_version = data["networking"]["firewall"]["pfsense"]
installed_synology_dsm_version = data["storage"]["nas"]["synology"]["dsm"]
installed_synology_plex_version = data["storage"]["nas"]["synology"]["plex"]
installed_unifi_ck_version = data["networking"]["unifi"]["cloudkey"]
installed_wordpress_version = data["hosting"]["cms"]["wordpress"]
if latest_synology_dsm_version == installed_synology_dsm_version:
message(SYNOLOGY_DSM, True, "", "")
else:
message(
SYNOLOGY_DSM,
False,
latest_synology_dsm_version,
installed_synology_dsm_version,
)
up_to_date = False
programs.append(SYNOLOGY_DSM)
if latest_synology_plex_version == installed_synology_plex_version:
message(PLEX, True, "", "")
else:
message(
PLEX, False, latest_synology_plex_version, installed_synology_plex_version
)
up_to_date = False
programs.append(PLEX)
if latest_unifi_ck_version == installed_unifi_ck_version:
message(UNIFI_CC, True, "", "")
else:
message(UNIFI_CC, False, latest_unifi_ck_version, installed_unifi_ck_version)
up_to_date = False
programs.append(UNIFI_CC)
if latest_wordpress_version == installed_wordpress_version:
message(WORDPRESS, True, "", "")
else:
message(WORDPRESS, False, latest_wordpress_version, installed_wordpress_version)
up_to_date = False
programs.append(WORDPRESS)
if latest_pfsense_version == installed_pfsense_version:
message(PFSENSE, True, "", "")
else:
message(PFSENSE, False, latest_pfsense_version, installed_pfsense_version)
up_to_date = False
programs.append(PFSENSE)
notify(up_to_date, programs)
# Used for the Healtchecks ping, if it's not used, it fails silently.
try:
requests.get(HEALTHCHECK)
print("The Healthchecks Ping URL was succesfully contacted.")
except requests.exceptions.RequestException as error_message:
raise SystemExit(error_message)
if __name__ == "__main__":
get_arg(sys.argv[1:])