203 lines
8.9 KiB
Python
203 lines
8.9 KiB
Python
import copy
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import json
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import logging
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import shutil
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import tempfile
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import time
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import traceback
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from datetime import datetime, timedelta
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from pathlib import Path
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import aiofiles
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import aiofiles.os as aos
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from nio import (AsyncClient, InviteMemberEvent, JoinError, MatrixRoom, RoomMessageText, SyncResponse, RoomMessageMedia, MessageDirection)
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from exporter.export import download_mxc, zip_directory, upload_to_r2, trim_filename, fetch_events
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class RoomExport:
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def __init__(self, room_id: str, allowed_again: datetime):
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self.room_id = room_id
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self.allowed_again = allowed_again
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class ExportTracker:
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def __init__(self):
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self._exported_rooms = {}
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def add_export(self, room_id: str, seconds_elapsed_allowed: int) -> None:
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allowed_again = datetime.now() + timedelta(seconds=seconds_elapsed_allowed)
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self._exported_rooms[room_id] = RoomExport(room_id, allowed_again)
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def check_allowed(self, room_id):
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if self.get_export(room_id):
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return datetime.now() >= self._exported_rooms[room_id].allowed_again
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return True
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def get_export(self, room_id: str) -> RoomExport | None:
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return copy.deepcopy(self._exported_rooms.get(room_id))
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class MatrixBotCallbacks:
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def __init__(self, client: AsyncClient, config: dict):
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self.client = client
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self.config = config
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self.logger = logging.getLogger('MatrixGPT').getChild('MatrixBotCallbacks')
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self.startup_ts = time.time() * 1000
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self.seen_events = {}
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self.exports = ExportTracker()
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self.zip_temp_dir = Path(tempfile.mkdtemp())
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async def handle_invite(self, room: MatrixRoom, event: InviteMemberEvent) -> None:
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"""
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Since the InviteMemberEvent is fired for every m.room.member state received
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in a sync response's `rooms.invite` section, we will receive some that are
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not actually our own invite event (such as the inviter's membership).
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This makes sure we only call `callbacks.invite` with our own invite events.
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"""
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# event.source.get('origin_server_ts') > self.startup_time
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if event.state_key == self.client.user_id:
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self.logger.info(f"Got invite to {room.room_id} from {event.sender}.")
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# Attempt to join 3 times before giving up
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for attempt in range(3):
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result = await self.client.join(room.room_id)
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if isinstance(result, JoinError):
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self.logger.error(f"Error joining room {room.room_id} (attempt {attempt}): {result.message}")
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else:
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self.logger.info(f"Joined via invite: {room.room_id}")
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return
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else:
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self.logger.error("Unable to join room: %s", room.room_id)
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async def handle_message(self, room: MatrixRoom, event: RoomMessageText) -> None:
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# Extract the message text
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await self.client.room_read_markers(room.room_id, event.event_id, event.event_id)
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# Ignore messages from ourselves
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if event.sender == self.client.user_id:
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return
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if event.server_timestamp < self.startup_ts:
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self.logger.debug(f'Skipping event as it was sent before startup time: {event.event_id}')
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return
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if event.event_id in list(self.seen_events.keys()):
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self.logger.debug(f'Skipping seen event: {event.event_id}')
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return
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msg = event.body.strip().strip('\n')
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if msg == self.config['command_prefix']:
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self.logger.info(f"Export for {room.room_id} requested by {event.sender}")
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if not self.exports.check_allowed(room.room_id):
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last_export = self.exports.get_export(room.room_id)
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time_diff = last_export.allowed_again - datetime.now()
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minutes_until_future = time_diff.total_seconds() // 60
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content = {
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"body": f'Cannot export again for {minutes_until_future} minutes.',
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"m.relates_to": {
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"m.in_reply_to": {
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"event_id": event.event_id
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}
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},
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"msgtype": "m.text"
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}
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await self.client.room_send(
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room.room_id,
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'm.room.message',
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content
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)
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self.logger.info(f"Rejected export in {room.room_id}, {minutes_until_future} minutes remaining.")
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return
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zipfile_name = f'{room.room_id.replace(":", "_").replace("!", "").replace(".", "")}-{int(time.time())}.zip'
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start_msg = await self.client.room_send(
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room_id=room.room_id,
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message_type="m.room.message",
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content={"msgtype": "m.text", "format": "org.matrix.custom.html", "body": 'Exporting room...', 'formatted_body': '<i>Exporting room...</i>'},
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)
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try:
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sync_response = await self.client.sync(full_state=True, sync_filter={"room": {"timeline": {"limit": 1}}})
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if not isinstance(sync_response, SyncResponse):
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self.logger.error(f'Failed to sync room "{room.room_id}": {sync_response}')
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raise
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start_token = sync_response.rooms.join[room.room_id].timeline.prev_batch
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room_events = [
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await fetch_events(self.client, room.room_id, start_token, MessageDirection.back),
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await fetch_events(self.client, room.room_id, start_token, MessageDirection.front),
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]
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temp_dir = Path(tempfile.mkdtemp())
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export_data = []
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self.logger.debug(f'Writing export for {room.room_id} to {temp_dir}')
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for direction in room_events:
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for event in direction.all():
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if isinstance(event, RoomMessageMedia):
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media_data = await download_mxc(self.client, event.url)
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filename = trim_filename(f'{int(event.server_timestamp / 1000)} -- {event.body}')
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event.source["_file_path"] = filename
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async with aiofiles.open(temp_dir / filename, "wb") as f_media:
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await f_media.write(media_data)
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export_data.extend(direction.jsonify())
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async with aiofiles.open(temp_dir / 'data.json', 'w', encoding='utf-8') as f:
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await f.write(json.dumps(export_data, ensure_ascii=False, indent=4))
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zipfile_path = self.zip_temp_dir / zipfile_name
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self.logger.debug(f'Creating zip: {zipfile_path}')
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await zip_directory(temp_dir, zipfile_path)
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shutil.rmtree(temp_dir)
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self.logger.debug(f'Uploading: {zipfile_path}')
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r2_upload = await upload_to_r2(
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zipfile_path, zipfile_name,
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self.config['r2']['bucket_name'],
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self.config['r2']['accountid'],
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self.config['r2']['access_key_id'],
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self.config['r2']['access_key_secret']
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)
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await aos.remove(zipfile_path)
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self.logger.info(f'Export for {room.room_id} completed.')
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self.exports.add_export(room.room_id, self.config['export_interval'])
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pub_url = f'{self.config["r2"]["pub_url"]}/{zipfile_name}'
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formatted_body = f'<strong>Export complete!</strong><br><a href="{pub_url}">{pub_url}</a><br>This file will be deleted after 24 hours.'
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content = {
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"body": f'Export complete!\n{pub_url}\nThis file will be deleted after 24 hours.',
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"formatted_body": formatted_body,
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"format": "org.matrix.custom.html",
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"m.relates_to": {
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"m.in_reply_to": {
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"event_id": start_msg.event_id
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}
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},
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"msgtype": "m.text"
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}
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await self.client.room_send(
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room.room_id,
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'm.room.message',
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content
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)
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except Exception as e:
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self.logger.error(f'Export failed for {room.room_id}: {traceback.format_exc()}')
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self.exports.add_export(room.room_id, self.config['export_interval'] // 2)
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content = {
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"body": f'❌ Failed to export room!',
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"m.relates_to": {
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"m.in_reply_to": {
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"event_id": start_msg.event_id
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}
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},
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"msgtype": "m.text"
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}
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await self.client.room_send(
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room.room_id,
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'm.room.message',
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content
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)
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