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Add support for TP-Link ArcherC9 to to device tracker component
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homeassistant/components/device_tracker/tplink2.py
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128
homeassistant/components/device_tracker/tplink2.py
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"""
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homeassistant.components.device_tracker.tplink2
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Device tracker platform that supports scanning a newer model TP-Link router for device
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presence.
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Configuration:
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To use the TP-Link tracker you will need to add something like the following
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to your config/configuration.yaml
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device_tracker:
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platform: tplink2
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host: YOUR_ROUTER_IP
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username: YOUR_ADMIN_USERNAME
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password: YOUR_ADMIN_PASSWORD
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Variables:
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host
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*Required
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The IP address of your router, e.g. 192.168.1.1.
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username
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*Required
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The username of an user with administrative privileges, usually 'admin'.
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password
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*Required
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The password for your given admin account.
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"""
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import logging
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import base64
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from datetime import timedelta
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import threading
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import requests
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from homeassistant.const import CONF_HOST, CONF_USERNAME, CONF_PASSWORD
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from homeassistant.helpers import validate_config
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from homeassistant.util import Throttle
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from homeassistant.components.device_tracker import DOMAIN
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# Return cached results if last scan was less then this time ago
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MIN_TIME_BETWEEN_SCANS = timedelta(seconds=5)
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_LOGGER = logging.getLogger(__name__)
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def get_scanner(hass, config):
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""" Validates config and returns a TP-Link scanner. """
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if not validate_config(config,
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{DOMAIN: [CONF_HOST, CONF_USERNAME, CONF_PASSWORD]},
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_LOGGER):
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return None
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scanner = Tplink2DeviceScanner(config[DOMAIN])
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return scanner if scanner.success_init else None
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class Tplink2DeviceScanner(object):
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""" This class queries a wireless router running TP-Link firmware
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for connected devices.
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"""
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def __init__(self, config):
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host = config[CONF_HOST]
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username, password = config[CONF_USERNAME], config[CONF_PASSWORD]
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self.host = host
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self.username = username
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self.password = password
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self.last_results = {}
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self.lock = threading.Lock()
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self.success_init = self._update_info()
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def scan_devices(self):
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""" Scans for new devices and return a
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list containing found device ids. """
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self._update_info()
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return self.last_results.keys()
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# pylint: disable=no-self-use
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def get_device_name(self, device):
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""" The TP-Link firmware doesn't save the name of the wireless
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device. """
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return self.last_results.get(device)
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@Throttle(MIN_TIME_BETWEEN_SCANS)
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def _update_info(self):
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""" Ensures the information from the TP-Link router is up to date.
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Returns boolean if scanning successful. """
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with self.lock:
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_LOGGER.info("Loading wireless clients...")
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url = 'http://{}/data/map_access_wireless_client_grid.json'.format(self.host)
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referer = 'http://{}'.format(self.host)
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# Router uses Authorization cookie instead of header
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# Let's create the cookie
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username_password = '{}:{}'.format(self.username, self.password)
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b64_encoded_username_password = base64.b64encode(
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username_password.encode('ascii')
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).decode('ascii')
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authorization = 'Basic {}'.format(b64_encoded_username_password)
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cookie = 'Authorization={}'.format(authorization)
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response = requests.post(url, headers={'referer': referer,
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'cookie': cookie})
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result = None
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try:
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result = response.json().get('data')
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except ValueError:
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_LOGGER.error("Router didn't respond with JSON. Check if credentials are correct.")
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if result:
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self.last_results = {device['mac_addr'].replace('-', ':'): device['name']
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for device in result}
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return True
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return False
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