93 lines
2.6 KiB
Python
93 lines
2.6 KiB
Python
"""Offer webhook triggered automation rules."""
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from __future__ import annotations
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from dataclasses import dataclass
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from aiohttp import hdrs
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import voluptuous as vol
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from homeassistant.const import CONF_PLATFORM, CONF_WEBHOOK_ID
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from homeassistant.core import CALLBACK_TYPE, HassJob, HomeAssistant, callback
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.trigger import TriggerActionType, TriggerInfo
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from homeassistant.helpers.typing import ConfigType
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from . import DOMAIN, async_register, async_unregister
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DEPENDENCIES = ("webhook",)
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TRIGGER_SCHEMA = cv.TRIGGER_BASE_SCHEMA.extend(
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{
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vol.Required(CONF_PLATFORM): "webhook",
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vol.Required(CONF_WEBHOOK_ID): cv.string,
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}
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)
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WEBHOOK_TRIGGERS = f"{DOMAIN}_triggers"
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@dataclass
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class TriggerInstance:
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"""Attached trigger settings."""
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trigger_info: TriggerInfo
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job: HassJob
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async def _handle_webhook(hass, webhook_id, request):
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"""Handle incoming webhook."""
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base_result = {"platform": "webhook", "webhook_id": webhook_id}
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if "json" in request.headers.get(hdrs.CONTENT_TYPE, ""):
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base_result["json"] = await request.json()
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else:
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base_result["data"] = await request.post()
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base_result["query"] = request.query
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base_result["description"] = "webhook"
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triggers: dict[str, list[TriggerInstance]] = hass.data.setdefault(
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WEBHOOK_TRIGGERS, {}
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)
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for trigger in triggers[webhook_id]:
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result = {**base_result, **trigger.trigger_info["trigger_data"]}
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hass.async_run_hass_job(trigger.job, {"trigger": result})
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async def async_attach_trigger(
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hass: HomeAssistant,
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config: ConfigType,
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action: TriggerActionType,
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trigger_info: TriggerInfo,
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) -> CALLBACK_TYPE:
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"""Trigger based on incoming webhooks."""
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webhook_id: str = config[CONF_WEBHOOK_ID]
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job = HassJob(action)
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triggers: dict[str, list[TriggerInstance]] = hass.data.setdefault(
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WEBHOOK_TRIGGERS, {}
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)
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if webhook_id not in triggers:
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async_register(
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hass,
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trigger_info["domain"],
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trigger_info["name"],
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webhook_id,
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_handle_webhook,
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)
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triggers[webhook_id] = []
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trigger_instance = TriggerInstance(trigger_info, job)
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triggers[webhook_id].append(trigger_instance)
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@callback
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def unregister():
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"""Unregister webhook."""
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triggers[webhook_id].remove(trigger_instance)
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if not triggers[webhook_id]:
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async_unregister(hass, webhook_id)
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triggers.pop(webhook_id)
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return unregister
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