cbc61f1646
- matrix-nio[e2e] with libolm for Megolm encryption - Persistent crypto store volume for key persistence - Auto-accept key verification (SAS) - Upload device keys on first login CF-1147 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
123 lines
4.1 KiB
Python
123 lines
4.1 KiB
Python
import os
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import asyncio
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import logging
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from nio import (
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AsyncClient,
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AsyncClientConfig,
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LoginResponse,
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InviteMemberEvent,
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KeyVerificationStart,
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KeyVerificationCancel,
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KeyVerificationKey,
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KeyVerificationMac,
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ToDeviceError,
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)
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from livekit import api
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logger = logging.getLogger("matrix-ai-bot")
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HOMESERVER = os.environ["MATRIX_HOMESERVER"]
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BOT_USER = os.environ["MATRIX_BOT_USER"]
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BOT_PASS = os.environ["MATRIX_BOT_PASSWORD"]
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LK_URL = os.environ["LIVEKIT_URL"]
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LK_KEY = os.environ["LIVEKIT_API_KEY"]
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LK_SECRET = os.environ["LIVEKIT_API_SECRET"]
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AGENT_NAME = os.environ.get("AGENT_NAME", "matrix-ai")
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STORE_PATH = os.environ.get("CRYPTO_STORE_PATH", "/data/crypto_store")
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class Bot:
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def __init__(self):
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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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self.client = AsyncClient(
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HOMESERVER,
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BOT_USER,
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store_path=STORE_PATH,
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config=config,
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)
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self.lkapi = None
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self.dispatched_rooms = set()
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async def start(self):
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resp = await self.client.login(BOT_PASS, device_name="ai-voice-bot")
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if not isinstance(resp, LoginResponse):
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logger.error("Login failed: %s", resp)
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return
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logger.info("Logged in as %s (device %s)", resp.user_id, resp.device_id)
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# Trust our own device keys
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if self.client.should_upload_keys:
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await self.client.keys_upload()
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self.lkapi = api.LiveKitAPI(LK_URL, LK_KEY, LK_SECRET)
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self.client.add_event_callback(self.on_invite, InviteMemberEvent)
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self.client.add_to_device_callback(self.on_key_verification, KeyVerificationStart)
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self.client.add_to_device_callback(self.on_key_verification, KeyVerificationKey)
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self.client.add_to_device_callback(self.on_key_verification, KeyVerificationMac)
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self.client.add_to_device_callback(self.on_key_verification, KeyVerificationCancel)
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await self.client.sync_forever(timeout=30000, full_state=True)
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async def on_invite(self, room, event: InviteMemberEvent):
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if event.state_key != BOT_USER:
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return
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logger.info("Invited to %s", room.room_id)
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await self.client.join(room.room_id)
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# LiveKit room name = Matrix room ID (Element Call convention)
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lk_room_name = room.room_id
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try:
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await self.lkapi.agent_dispatch.create_dispatch(
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api.CreateAgentDispatchRequest(
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agent_name=AGENT_NAME,
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room=lk_room_name,
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)
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)
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self.dispatched_rooms.add(room.room_id)
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logger.info("Agent dispatched to %s", lk_room_name)
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except Exception:
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logger.exception("Dispatch failed for %s", room.room_id)
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async def on_key_verification(self, event):
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"""Auto-accept key verification requests."""
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if isinstance(event, KeyVerificationStart):
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sas = self.client.key_verifications.get(event.transaction_id)
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if sas:
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await self.client.accept_key_verification(event.transaction_id)
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await self.client.to_device(sas.share_key())
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elif isinstance(event, KeyVerificationKey):
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sas = self.client.key_verifications.get(event.transaction_id)
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if sas:
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await self.client.confirm_short_auth_string(event.transaction_id)
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elif isinstance(event, KeyVerificationMac):
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sas = self.client.key_verifications.get(event.transaction_id)
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if sas:
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mac = sas.get_mac()
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if not isinstance(mac, ToDeviceError):
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await self.client.to_device(mac)
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async def cleanup(self):
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await self.client.close()
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if self.lkapi:
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await self.lkapi.aclose()
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async def main():
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os.makedirs(STORE_PATH, exist_ok=True)
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bot = Bot()
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try:
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await bot.start()
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finally:
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await bot.cleanup()
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if __name__ == "__main__":
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logging.basicConfig(level=logging.INFO)
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asyncio.run(main())
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