80 lines
2.0 KiB
Python
80 lines
2.0 KiB
Python
"""
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Will open a port in your router for Home Assistant and provide statistics.
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For more details about this component, please refer to the documentation at
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https://home-assistant.io/components/upnp/
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"""
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import logging
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from urllib.parse import urlsplit
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import voluptuous as vol
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from homeassistant.const import (EVENT_HOMEASSISTANT_STOP)
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from homeassistant.helpers import config_validation as cv
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from homeassistant.helpers import discovery
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REQUIREMENTS = ['miniupnpc==1.9']
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['api']
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DOMAIN = 'upnp'
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DATA_UPNP = 'UPNP'
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CONF_ENABLE_PORT_MAPPING = 'port_mapping'
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CONF_UNITS = 'unit'
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UNITS = {
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"Bytes": 1,
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"KBytes": 1024,
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"MBytes": 1024**2,
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"GBytes": 1024**3,
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}
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CONFIG_SCHEMA = vol.Schema({
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DOMAIN: vol.Schema({
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vol.Optional(CONF_ENABLE_PORT_MAPPING, default=True): cv.boolean,
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vol.Optional(CONF_UNITS, default="MBytes"): vol.In(UNITS),
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}),
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}, extra=vol.ALLOW_EXTRA)
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# pylint: disable=import-error, no-member, broad-except
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def setup(hass, config):
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"""Register a port mapping for Home Assistant via UPnP."""
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import miniupnpc
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upnp = miniupnpc.UPnP()
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hass.data[DATA_UPNP] = upnp
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upnp.discoverdelay = 200
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upnp.discover()
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try:
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upnp.selectigd()
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except Exception:
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_LOGGER.exception("Error when attempting to discover an UPnP IGD")
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return False
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unit = config[DOMAIN].get(CONF_UNITS)
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discovery.load_platform(hass, 'sensor', DOMAIN, {'unit': unit}, config)
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port_mapping = config[DOMAIN].get(CONF_ENABLE_PORT_MAPPING)
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if not port_mapping:
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return True
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base_url = urlsplit(hass.config.api.base_url)
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host = base_url.hostname
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external_port = internal_port = base_url.port
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upnp.addportmapping(
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external_port, 'TCP', host, internal_port, 'Home Assistant', '')
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def deregister_port(event):
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"""De-register the UPnP port mapping."""
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upnp.deleteportmapping(hass.config.api.port, 'TCP')
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hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, deregister_port)
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return True
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