core/homeassistant/components/tplink/device_tracker.py

509 lines
16 KiB
Python

"""Support for TP-Link routers."""
import base64
from datetime import datetime
import hashlib
import logging
import re
from aiohttp.hdrs import (
ACCEPT,
COOKIE,
PRAGMA,
REFERER,
CONNECTION,
KEEP_ALIVE,
USER_AGENT,
CONTENT_TYPE,
CACHE_CONTROL,
ACCEPT_ENCODING,
ACCEPT_LANGUAGE,
)
import requests
import voluptuous as vol
from homeassistant.components.device_tracker import (
DOMAIN,
PLATFORM_SCHEMA,
DeviceScanner,
)
from homeassistant.const import (
CONF_HOST,
CONF_PASSWORD,
CONF_USERNAME,
HTTP_HEADER_X_REQUESTED_WITH,
)
import homeassistant.helpers.config_validation as cv
_LOGGER = logging.getLogger(__name__)
HTTP_HEADER_NO_CACHE = "no-cache"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_HOST): cv.string,
vol.Required(CONF_PASSWORD): cv.string,
vol.Required(CONF_USERNAME): cv.string,
}
)
def get_scanner(hass, config):
"""
Validate the configuration and return a TP-Link scanner.
The default way of integrating devices is to use a pypi
package, The TplinkDeviceScanner has been refactored
to depend on a pypi package, the other implementations
should be gradually migrated in the pypi package
"""
_LOGGER.warning(
"TP-Link device tracker is unmaintained and will be "
"removed in the future releases if no maintainer is "
"found. If you have interest in this integration, "
"feel free to create a pull request to move this code "
"to a new 'tplink_router' integration and refactoring "
"the device-specific parts to the tplink library"
)
for cls in [
TplinkDeviceScanner,
Tplink5DeviceScanner,
Tplink4DeviceScanner,
Tplink3DeviceScanner,
Tplink2DeviceScanner,
Tplink1DeviceScanner,
]:
scanner = cls(config[DOMAIN])
if scanner.success_init:
return scanner
return None
class TplinkDeviceScanner(DeviceScanner):
"""Queries the router for connected devices."""
def __init__(self, config):
"""Initialize the scanner."""
from tplink.tplink import TpLinkClient
host = config[CONF_HOST]
password = config[CONF_PASSWORD]
username = config[CONF_USERNAME]
self.success_init = False
try:
self.tplink_client = TpLinkClient(password, host=host, username=username)
self.last_results = {}
self.success_init = self._update_info()
except requests.exceptions.RequestException:
_LOGGER.debug("RequestException in %s", self.__class__.__name__)
def scan_devices(self):
"""Scan for new devices and return a list with found device IDs."""
self._update_info()
return self.last_results.keys()
def get_device_name(self, device):
"""Get the name of the device."""
return self.last_results.get(device)
def _update_info(self):
"""Ensure the information from the TP-Link router is up to date.
Return boolean if scanning successful.
"""
_LOGGER.info("Loading wireless clients...")
result = self.tplink_client.get_connected_devices()
if result:
self.last_results = result
return True
return False
class Tplink1DeviceScanner(DeviceScanner):
"""This class queries a wireless router running TP-Link firmware."""
def __init__(self, config):
"""Initialize the scanner."""
host = config[CONF_HOST]
username, password = config[CONF_USERNAME], config[CONF_PASSWORD]
self.parse_macs = re.compile(
"[0-9A-F]{2}-[0-9A-F]{2}-[0-9A-F]{2}-"
+ "[0-9A-F]{2}-[0-9A-F]{2}-[0-9A-F]{2}"
)
self.host = host
self.username = username
self.password = password
self.last_results = {}
self.success_init = False
try:
self.success_init = self._update_info()
except requests.exceptions.RequestException:
_LOGGER.debug("RequestException in %s", self.__class__.__name__)
def scan_devices(self):
"""Scan for new devices and return a list with found device IDs."""
self._update_info()
return self.last_results
def get_device_name(self, device):
"""Get firmware doesn't save the name of the wireless device."""
return None
def _update_info(self):
"""Ensure the information from the TP-Link router is up to date.
Return boolean if scanning successful.
"""
_LOGGER.info("Loading wireless clients...")
url = f"http://{self.host}/userRpm/WlanStationRpm.htm"
referer = f"http://{self.host}"
page = requests.get(
url,
auth=(self.username, self.password),
headers={REFERER: referer},
timeout=4,
)
result = self.parse_macs.findall(page.text)
if result:
self.last_results = [mac.replace("-", ":") for mac in result]
return True
return False
class Tplink2DeviceScanner(Tplink1DeviceScanner):
"""This class queries a router with newer version of TP-Link firmware."""
def scan_devices(self):
"""Scan for new devices and return a list with found device IDs."""
self._update_info()
return self.last_results.keys()
def get_device_name(self, device):
"""Get firmware doesn't save the name of the wireless device."""
return self.last_results.get(device)
def _update_info(self):
"""Ensure the information from the TP-Link router is up to date.
Return boolean if scanning successful.
"""
_LOGGER.info("Loading wireless clients...")
url = f"http://{self.host}/data/map_access_wireless_client_grid.json"
referer = f"http://{self.host}"
# Router uses Authorization cookie instead of header
# Let's create the cookie
username_password = f"{self.username}:{self.password}"
b64_encoded_username_password = base64.b64encode(
username_password.encode("ascii")
).decode("ascii")
cookie = f"Authorization=Basic {b64_encoded_username_password}"
response = requests.post(
url, headers={REFERER: referer, COOKIE: cookie}, timeout=4
)
try:
result = response.json().get("data")
except ValueError:
_LOGGER.error(
"Router didn't respond with JSON. " "Check if credentials are correct."
)
return False
if result:
self.last_results = {
device["mac_addr"].replace("-", ":"): device["name"]
for device in result
}
return True
return False
class Tplink3DeviceScanner(Tplink1DeviceScanner):
"""This class queries the Archer C9 router with version 150811 or high."""
def __init__(self, config):
"""Initialize the scanner."""
self.stok = ""
self.sysauth = ""
super().__init__(config)
def scan_devices(self):
"""Scan for new devices and return a list with found device IDs."""
self._update_info()
self._log_out()
return self.last_results.keys()
def get_device_name(self, device):
"""Get the firmware doesn't save the name of the wireless device.
We are forced to use the MAC address as name here.
"""
return self.last_results.get(device)
def _get_auth_tokens(self):
"""Retrieve auth tokens from the router."""
_LOGGER.info("Retrieving auth tokens...")
url = f"http://{self.host}/cgi-bin/luci/;stok=/login?form=login"
referer = f"http://{self.host}/webpages/login.html"
# If possible implement RSA encryption of password here.
response = requests.post(
url,
params={
"operation": "login",
"username": self.username,
"password": self.password,
},
headers={REFERER: referer},
timeout=4,
)
try:
self.stok = response.json().get("data").get("stok")
_LOGGER.info(self.stok)
regex_result = re.search("sysauth=(.*);", response.headers["set-cookie"])
self.sysauth = regex_result.group(1)
_LOGGER.info(self.sysauth)
return True
except (ValueError, KeyError):
_LOGGER.error("Couldn't fetch auth tokens! Response was: %s", response.text)
return False
def _update_info(self):
"""Ensure the information from the TP-Link router is up to date.
Return boolean if scanning successful.
"""
if (self.stok == "") or (self.sysauth == ""):
self._get_auth_tokens()
_LOGGER.info("Loading wireless clients...")
url = (
"http://{}/cgi-bin/luci/;stok={}/admin/wireless?" "form=statistics"
).format(self.host, self.stok)
referer = f"http://{self.host}/webpages/index.html"
response = requests.post(
url,
params={"operation": "load"},
headers={REFERER: referer},
cookies={"sysauth": self.sysauth},
timeout=5,
)
try:
json_response = response.json()
if json_response.get("success"):
result = response.json().get("data")
else:
if json_response.get("errorcode") == "timeout":
_LOGGER.info("Token timed out. Relogging on next scan")
self.stok = ""
self.sysauth = ""
return False
_LOGGER.error("An unknown error happened while fetching data")
return False
except ValueError:
_LOGGER.error(
"Router didn't respond with JSON. " "Check if credentials are correct"
)
return False
if result:
self.last_results = {
device["mac"].replace("-", ":"): device["mac"] for device in result
}
return True
return False
def _log_out(self):
_LOGGER.info("Logging out of router admin interface...")
url = ("http://{}/cgi-bin/luci/;stok={}/admin/system?" "form=logout").format(
self.host, self.stok
)
referer = f"http://{self.host}/webpages/index.html"
requests.post(
url,
params={"operation": "write"},
headers={REFERER: referer},
cookies={"sysauth": self.sysauth},
)
self.stok = ""
self.sysauth = ""
class Tplink4DeviceScanner(Tplink1DeviceScanner):
"""This class queries an Archer C7 router with TP-Link firmware 150427."""
def __init__(self, config):
"""Initialize the scanner."""
self.credentials = ""
self.token = ""
super().__init__(config)
def scan_devices(self):
"""Scan for new devices and return a list with found device IDs."""
self._update_info()
return self.last_results
def get_device_name(self, device):
"""Get the name of the wireless device."""
return None
def _get_auth_tokens(self):
"""Retrieve auth tokens from the router."""
_LOGGER.info("Retrieving auth tokens...")
url = f"http://{self.host}/userRpm/LoginRpm.htm?Save=Save"
# Generate md5 hash of password. The C7 appears to use the first 15
# characters of the password only, so we truncate to remove additional
# characters from being hashed.
password = hashlib.md5(self.password.encode("utf")[:15]).hexdigest()
credentials = f"{self.username}:{password}".encode("utf")
# Encode the credentials to be sent as a cookie.
self.credentials = base64.b64encode(credentials).decode("utf")
# Create the authorization cookie.
cookie = f"Authorization=Basic {self.credentials}"
response = requests.get(url, headers={COOKIE: cookie})
try:
result = re.search(
r"window.parent.location.href = "
r'"https?:\/\/.*\/(.*)\/userRpm\/Index.htm";',
response.text,
)
if not result:
return False
self.token = result.group(1)
return True
except ValueError:
_LOGGER.error("Couldn't fetch auth tokens")
return False
def _update_info(self):
"""Ensure the information from the TP-Link router is up to date.
Return boolean if scanning successful.
"""
if (self.credentials == "") or (self.token == ""):
self._get_auth_tokens()
_LOGGER.info("Loading wireless clients...")
mac_results = []
# Check both the 2.4GHz and 5GHz client list URLs
for clients_url in ("WlanStationRpm.htm", "WlanStationRpm_5g.htm"):
url = f"http://{self.host}/{self.token}/userRpm/{clients_url}"
referer = f"http://{self.host}"
cookie = f"Authorization=Basic {self.credentials}"
page = requests.get(url, headers={COOKIE: cookie, REFERER: referer})
mac_results.extend(self.parse_macs.findall(page.text))
if not mac_results:
return False
self.last_results = [mac.replace("-", ":") for mac in mac_results]
return True
class Tplink5DeviceScanner(Tplink1DeviceScanner):
"""This class queries a TP-Link EAP-225 AP with newer TP-Link FW."""
def scan_devices(self):
"""Scan for new devices and return a list with found MAC IDs."""
self._update_info()
return self.last_results.keys()
def get_device_name(self, device):
"""Get firmware doesn't save the name of the wireless device."""
return None
def _update_info(self):
"""Ensure the information from the TP-Link AP is up to date.
Return boolean if scanning successful.
"""
_LOGGER.info("Loading wireless clients...")
base_url = f"http://{self.host}"
header = {
USER_AGENT: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12;"
" rv:53.0) Gecko/20100101 Firefox/53.0",
ACCEPT: "application/json, text/javascript, */*; q=0.01",
ACCEPT_LANGUAGE: "Accept-Language: en-US,en;q=0.5",
ACCEPT_ENCODING: "gzip, deflate",
CONTENT_TYPE: "application/x-www-form-urlencoded; charset=UTF-8",
HTTP_HEADER_X_REQUESTED_WITH: "XMLHttpRequest",
REFERER: f"http://{self.host}/",
CONNECTION: KEEP_ALIVE,
PRAGMA: HTTP_HEADER_NO_CACHE,
CACHE_CONTROL: HTTP_HEADER_NO_CACHE,
}
password_md5 = hashlib.md5(self.password.encode("utf")).hexdigest().upper()
# Create a session to handle cookie easier
session = requests.session()
session.get(base_url, headers=header)
login_data = {"username": self.username, "password": password_md5}
session.post(base_url, login_data, headers=header)
# A timestamp is required to be sent as get parameter
timestamp = int(datetime.now().timestamp() * 1e3)
client_list_url = f"{base_url}/data/monitor.client.client.json"
get_params = {"operation": "load", "_": timestamp}
response = session.get(client_list_url, headers=header, params=get_params)
session.close()
try:
list_of_devices = response.json()
except ValueError:
_LOGGER.error(
"AP didn't respond with JSON. " "Check if credentials are correct"
)
return False
if list_of_devices:
self.last_results = {
device["MAC"].replace("-", ":"): device["DeviceName"]
for device in list_of_devices["data"]
}
return True
return False