146 lines
5.2 KiB
Python
146 lines
5.2 KiB
Python
#!/usr/bin/env python3
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import asyncio
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import logging
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import sys
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from asyncio import TimeoutError
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from time import sleep
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import aiotools
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from aiohttp import ClientConnectionError, ServerDisconnectedError
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from diskcache import Cache
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from nio import (
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AsyncClient,
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AsyncClientConfig,
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InviteMemberEvent,
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LocalProtocolError,
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LoginError,
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MegolmEvent,
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RoomMessageText,
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UnknownEvent,
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)
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from matrix_alertbot.alertmanager import AlertmanagerClient
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from matrix_alertbot.callback import Callbacks
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from matrix_alertbot.config import Config
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from matrix_alertbot.webhook import Webhook
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logger = logging.getLogger(__name__)
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def create_matrix_client(config: Config) -> AsyncClient:
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# Configuration options for the AsyncClient
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client_config = AsyncClientConfig(
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max_limit_exceeded=0,
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max_timeouts=0,
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store_sync_tokens=True,
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encryption_enabled=True,
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)
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# Initialize the matrix client
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client = AsyncClient(
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config.homeserver_url,
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config.user_id,
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device_id=config.device_id,
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store_path=config.store_path,
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config=client_config,
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)
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if config.user_token:
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client.access_token = config.user_token
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client.user_id = config.user_id
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return client
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async def start_matrix_client(cache: Cache, config: Config) -> bool:
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async with aiotools.closing_async(create_matrix_client(config)) as client:
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# Configure Alertmanager client
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async with AlertmanagerClient(config.alertmanager_url, cache) as alertmanager:
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# Set up event callbacks
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callbacks = Callbacks(client, alertmanager, cache, config)
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client.add_event_callback(callbacks.message, (RoomMessageText,))
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client.add_event_callback(
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callbacks.invite_event_filtered_callback, (InviteMemberEvent,)
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)
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client.add_event_callback(callbacks.decryption_failure, (MegolmEvent,))
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client.add_event_callback(callbacks.unknown, (UnknownEvent,))
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# Keep trying to reconnect on failure (with some time in-between)
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while True:
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try:
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if config.user_token:
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# Use token to log in
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client.load_store()
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# Sync encryption keys with the server
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if client.should_upload_keys:
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await client.keys_upload()
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else:
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# Try to login with the configured username/password
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try:
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login_response = await client.login(
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password=config.user_password,
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device_name=config.device_name,
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)
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# Check if login failed
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if type(login_response) == LoginError:
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logger.error(
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"Failed to login: %s", login_response.message
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)
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return False
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except LocalProtocolError as e:
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# There's an edge case here where the user hasn't installed the correct C
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# dependencies. In that case, a LocalProtocolError is raised on login.
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logger.fatal(
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"Failed to login. Have you installed the correct dependencies? "
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"https://github.com/poljar/matrix-nio#installation "
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"Error: %s",
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e,
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)
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return False
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# Login succeeded!
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logger.info(f"Logged in as {config.user_id}")
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await client.sync_forever(timeout=30000, full_state=True)
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except (ClientConnectionError, ServerDisconnectedError, TimeoutError):
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logger.warning(
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"Unable to connect to homeserver, retrying in 15s..."
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)
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# Sleep so we don't bombard the server with login requests
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sleep(15)
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async def start_webhook_server(cache: Cache, config: Config) -> None:
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async with aiotools.closing_async(create_matrix_client(config)) as client:
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async with Webhook(client, cache, config) as webhook_server:
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await webhook_server.start()
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def main() -> None:
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"""The first function that is run when starting the bot"""
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# Read user-configured options from a config file.
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# A different config file path can be specified as the first command line argument
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if len(sys.argv) > 1:
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config_path = sys.argv[1]
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else:
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config_path = "config.yaml"
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# Read the parsed config file and create a Config object
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config = Config(config_path)
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# Configure the cache
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cache = Cache(config.cache_dir)
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loop = asyncio.get_event_loop()
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loop.create_task(start_webhook_server(cache, config))
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loop.create_task(start_matrix_client(cache, config))
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try:
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loop.run_forever()
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except Exception as e:
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logger.error(e)
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