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fritzbox-munin/fritzbox_helper.py

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#!/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
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Add the following section to your munin-node's plugin configuration:
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[fritzbox_*]
env.fritzbox_ip [ip address of the fritzbox]
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env.fritzbox_password [fritzbox password]
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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
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"""
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"
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def get_session_id(server, password, 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).
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:param server: the ip address of the Fritzbox
:param password: the password to log into the Fritzbox webinterface
:param port: the port the Fritzbox webserver runs on
:return: the session id
"""
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headers = {"Accept": "application/xml",
"Content-Type": "text/plain",
"User-Agent": USER_AGENT}
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url = 'http://{}:{}/login_sid.lua'.format(server, port)
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)).encode('utf-16le')
m = hashlib.md5()
m.update(challenge_bf)
response_bf = '{}-{}'.format(challenge, m.hexdigest().lower())
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else:
return session_id
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headers = {"Accept": "text/html,application/xhtml+xml,application/xml",
"Content-Type": "application/x-www-form-urlencoded",
"User-Agent": USER_AGENT}
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url = 'http://{}:{}/login_sid.lua?&response={}'.format(server, port, 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")
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sys.exit(0)
return session_id
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def get_page_content(server, session_id, page, port=80):
"""Fetches a page from the Fritzbox and returns its content
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: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
"""
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headers = {"Accept": "application/xml",
"Content-Type": "text/plain",
"User-Agent": USER_AGENT}
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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
def get_xhr_content(server, session_id, page, port=80):
"""Fetches the xhr content 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": "application/x-www-form-urlencoded",
"User-Agent": USER_AGENT}
url = 'http://{}:{}/data.lua'.format(server, port)
data = {"xhr": 1,
"sid": session_id,
"lang": "en",
"page": page,
"xhrId": "all",
"no_sidrenew": ""
}
try:
r = requests.post(url, data=data, headers=headers)
except requests.exceptions.HTTPError as err:
print(err)
sys.exit(1)
return r.content