198 lines
6.7 KiB
Python
198 lines
6.7 KiB
Python
import logging
|
|
|
|
from nio import (
|
|
AsyncClient,
|
|
InviteMemberEvent,
|
|
JoinError,
|
|
MatrixRoom,
|
|
MegolmEvent,
|
|
RoomGetEventError,
|
|
RoomMessageText,
|
|
UnknownEvent,
|
|
)
|
|
|
|
from my_project_name.bot_commands import Command
|
|
from my_project_name.chat_functions import make_pill, react_to_event, send_text_to_room
|
|
from my_project_name.config import Config
|
|
from my_project_name.message_responses import Message
|
|
from my_project_name.storage import Storage
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class Callbacks:
|
|
def __init__(self, client: AsyncClient, store: Storage, config: Config):
|
|
"""
|
|
Args:
|
|
client: nio client used to interact with matrix
|
|
|
|
store: Bot storage
|
|
|
|
config: Bot configuration parameters
|
|
"""
|
|
self.client = client
|
|
self.store = store
|
|
self.config = config
|
|
self.command_prefix = config.command_prefix
|
|
|
|
async def message(self, room: MatrixRoom, event: RoomMessageText) -> None:
|
|
"""Callback for when a message event is received
|
|
|
|
Args:
|
|
room: The room the event came from
|
|
|
|
event: The event defining the message
|
|
"""
|
|
# Extract the message text
|
|
msg = event.body
|
|
|
|
# Ignore messages from ourselves
|
|
if event.sender == self.client.user:
|
|
return
|
|
|
|
logger.debug(
|
|
f"Bot message received for room {room.display_name} | "
|
|
f"{room.user_name(event.sender)}: {msg}"
|
|
)
|
|
|
|
# Process as message if in a public room without command prefix
|
|
has_command_prefix = msg.startswith(self.command_prefix)
|
|
|
|
# room.is_group is often a DM, but not always.
|
|
# room.is_group does not allow room aliases
|
|
# room.member_count > 2 ... we assume a public room
|
|
# room.member_count <= 2 ... we assume a DM
|
|
if not has_command_prefix and room.member_count > 2:
|
|
# General message listener
|
|
message = Message(self.client, self.store, self.config, msg, room, event)
|
|
await message.process()
|
|
return
|
|
|
|
# Otherwise if this is in a 1-1 with the bot or features a command prefix,
|
|
# treat it as a command
|
|
if has_command_prefix:
|
|
# Remove the command prefix
|
|
msg = msg[len(self.command_prefix) :]
|
|
|
|
command = Command(self.client, self.store, self.config, msg, room, event)
|
|
await command.process()
|
|
|
|
async def invite(self, room: MatrixRoom, event: InviteMemberEvent) -> None:
|
|
"""Callback for when an invite is received. Join the room specified in the invite.
|
|
|
|
Args:
|
|
room: The room that we are invited to.
|
|
|
|
event: The invite event.
|
|
"""
|
|
logger.debug(f"Got invite to {room.room_id} from {event.sender}.")
|
|
|
|
# Attempt to join 3 times before giving up
|
|
for attempt in range(3):
|
|
result = await self.client.join(room.room_id)
|
|
if type(result) == JoinError:
|
|
logger.error(
|
|
f"Error joining room {room.room_id} (attempt %d): %s",
|
|
attempt,
|
|
result.message,
|
|
)
|
|
else:
|
|
break
|
|
else:
|
|
logger.error("Unable to join room: %s", room.room_id)
|
|
|
|
# Successfully joined room
|
|
logger.info(f"Joined {room.room_id}")
|
|
|
|
async def _reaction(
|
|
self, room: MatrixRoom, event: UnknownEvent, reacted_to_id: str
|
|
) -> None:
|
|
"""A reaction was sent to one of our messages. Let's send a reply acknowledging it.
|
|
|
|
Args:
|
|
room: The room the reaction was sent in.
|
|
|
|
event: The reaction event.
|
|
|
|
reacted_to_id: The event ID that the reaction points to.
|
|
"""
|
|
logger.debug(f"Got reaction to {room.room_id} from {event.sender}.")
|
|
|
|
# Get the original event that was reacted to
|
|
event_response = await self.client.room_get_event(room.room_id, reacted_to_id)
|
|
if isinstance(event_response, RoomGetEventError):
|
|
logger.warning(
|
|
"Error getting event that was reacted to (%s)", reacted_to_id
|
|
)
|
|
return
|
|
reacted_to_event = event_response.event
|
|
|
|
# Only acknowledge reactions to events that we sent
|
|
if reacted_to_event.sender != self.config.user_id:
|
|
return
|
|
|
|
# Send a message acknowledging the reaction
|
|
reaction_sender_pill = make_pill(event.sender)
|
|
reaction_content = (
|
|
event.source.get("content", {}).get("m.relates_to", {}).get("key")
|
|
)
|
|
message = (
|
|
f"{reaction_sender_pill} reacted to this event with `{reaction_content}`!"
|
|
)
|
|
await send_text_to_room(
|
|
self.client,
|
|
room.room_id,
|
|
message,
|
|
reply_to_event_id=reacted_to_id,
|
|
)
|
|
|
|
async def decryption_failure(self, room: MatrixRoom, event: MegolmEvent) -> None:
|
|
"""Callback for when an event fails to decrypt. Inform the user.
|
|
|
|
Args:
|
|
room: The room that the event that we were unable to decrypt is in.
|
|
|
|
event: The encrypted event that we were unable to decrypt.
|
|
"""
|
|
logger.error(
|
|
f"Failed to decrypt event '{event.event_id}' in room '{room.room_id}'!"
|
|
f"\n\n"
|
|
f"Tip: try using a different device ID in your config file and restart."
|
|
f"\n\n"
|
|
f"If all else fails, delete your store directory and let the bot recreate "
|
|
f"it (your reminders will NOT be deleted, but the bot may respond to existing "
|
|
f"commands a second time)."
|
|
)
|
|
|
|
red_x_and_lock_emoji = "❌ 🔐"
|
|
|
|
# React to the undecryptable event with some emoji
|
|
await react_to_event(
|
|
self.client,
|
|
room.room_id,
|
|
event.event_id,
|
|
red_x_and_lock_emoji,
|
|
)
|
|
|
|
async def unknown(self, room: MatrixRoom, event: UnknownEvent) -> None:
|
|
"""Callback for when an event with a type that is unknown to matrix-nio is received.
|
|
Currently this is used for reaction events, which are not yet part of a released
|
|
matrix spec (and are thus unknown to nio).
|
|
|
|
Args:
|
|
room: The room the reaction was sent in.
|
|
|
|
event: The event itself.
|
|
"""
|
|
if event.type == "m.reaction":
|
|
# Get the ID of the event this was a reaction to
|
|
relation_dict = event.source.get("content", {}).get("m.relates_to", {})
|
|
|
|
reacted_to = relation_dict.get("event_id")
|
|
if reacted_to and relation_dict.get("rel_type") == "m.annotation":
|
|
await self._reaction(room, event, reacted_to)
|
|
return
|
|
|
|
logger.debug(
|
|
f"Got unknown event with type to {event.type} from {event.sender} in {room.room_id}."
|
|
)
|