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fritzbox-munin/fritzbox_helper.py
mistersmie b193e29fe5 add optional fritzbox_username environment variable to do username/password authentication
this implementation should also work seamlessly with "master-password" style authentication.
2019-03-19 21:54:27 +01:00

112 lines
3.9 KiB
Python
Executable File

#!/usr/bin/env python
"""
fritzbox_helper - A munin plugin for Linux to monitor AVM Fritzbox
Copyright (C) 2015 Christian Stade-Schuldt
Author: Christian Stade-Schuldt
Like Munin, this plugin is licensed under the GNU GPL v2 license
http://www.opensource.org/licenses/GPL-2.0
Add the following section to your munin-node's plugin configuration:
[fritzbox_*]
env.fritzbox_ip [ip address of the fritzbox]
env.fritzbox_password [fritzbox password]
env.fritzbox_username [optional: fritzbox username]
This plugin supports the following munin configuration parameters:
#%# family=auto contrib
#%# capabilities=autoconf
The initial script was inspired by
https://www.linux-tips-and-tricks.de/en/programming/389-read-data-from-a-fritzbox-7390-with-python-and-bash
framp at linux-tips-and-tricks dot de
"""
import hashlib
import sys
import requests
from lxml import etree
USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X x.y; rv:10.0) Gecko/20100101 Firefox/10.0"
def get_session_id(server, password, username=None, port=80):
"""Obtains the session id after login into the Fritzbox.
See https://avm.de/fileadmin/user_upload/Global/Service/Schnittstellen/AVM_Technical_Note_-_Session_ID.pdf
for deteils (in German).
:param server: the ip address of the Fritzbox
:param password: the password to log into the Fritzbox webinterface
:param username: (optional) the username with which to log into the Fritzbox webinterface
:param port: the port the Fritzbox webserver runs on
:return: the session id
"""
userpar = '' if username is None else '?username={}'.format(username)
headers = {"Accept": "application/xml",
"Content-Type": "text/plain",
"User-Agent": USER_AGENT}
url = 'http://{}:{}/login_sid.lua{}'.format(server, port, userpar)
try:
r = requests.get(url, headers=headers)
r.raise_for_status()
except requests.exceptions.HTTPError as err:
print(err)
sys.exit(1)
root = etree.fromstring(r.content)
session_id = root.xpath('//SessionInfo/SID/text()')[0]
if session_id == "0000000000000000":
challenge = root.xpath('//SessionInfo/Challenge/text()')[0]
challenge_bf = ('{}-{}'.format(challenge, password)).decode('iso-8859-1').encode('utf-16le')
m = hashlib.md5()
m.update(challenge_bf)
response_bf = '{}-{}'.format(challenge, m.hexdigest().lower())
else:
return session_id
headers = {"Accept": "text/html,application/xhtml+xml,application/xml",
"Content-Type": "application/x-www-form-urlencoded",
"User-Agent": USER_AGENT}
url = 'http://{}:{}/login_sid.lua?{}&response={}'.format(server, port, userpar[1:], response_bf)
try:
r = requests.get(url, headers=headers)
r.raise_for_status()
except requests.exceptions.HTTPError as err:
print(err)
sys.exit(1)
root = etree.fromstring(r.content)
session_id = root.xpath('//SessionInfo/SID/text()')[0]
if session_id == "0000000000000000":
print("ERROR - No SID received because of invalid password")
sys.exit(0)
return session_id
def get_page_content(server, session_id, page, port=80):
"""Fetches a page from the Fritzbox and returns its content
:param server: the ip address of the Fritzbox
:param session_id: a valid session id
:param page: the page you are regquesting
:param port: the port the Fritzbox webserver runs on
:return: the content of the page
"""
headers = {"Accept": "application/xml",
"Content-Type": "text/plain",
"User-Agent": USER_AGENT}
url = 'http://{}:{}/{}?sid={}'.format(server, port, page, session_id)
try:
r = requests.get(url, headers=headers)
r.raise_for_status()
except requests.exceptions.HTTPError as err:
print(err)
sys.exit(1)
return r.content